./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3336362467

<...>
pid 25481] write(3, "1000", 4)         = 4
[pid 25481] close(3)                    = 0
executing program
[pid 25481] write(1, "executing program\n", 18) = 18
[pid 25481] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25481] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25481] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25481] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25481] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25481] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25481] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25481] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25481] exit_group(0)               = ?
[pid 25481] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25481, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25483 attached
 <unfinished ...>
[pid 25483] set_robust_list(0x555555f76660, 24) = 0
[pid 25483] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   357] <... clone resumed>, child_tidptr=0x555555f76650) = 25483
[pid 25483] setpgid(0, 0)               = 0
[pid 25483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25483] write(3, "1000", 4)         = 4
[pid 25483] close(3)                    = 0
[pid 25483] write(1, "executing program\n", 18) = 18
[pid 25483] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25483] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25483] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25483] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25483] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25483] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25483] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25483] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25483] exit_group(0)               = ?
[pid 25483] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25483, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25484 attached
, child_tidptr=0x555555f76650) = 25484
[pid 25484] set_robust_list(0x555555f76660, 24) = 0
[pid 25484] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25484] setpgid(0, 0)               = 0
[pid 25484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25484] write(3, "1000", 4)         = 4
[pid 25484] close(3)                    = 0
[pid 25484] write(1, "executing program\n", 18) = 18
[pid 25484] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25484] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25484] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25484] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25484] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25484] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25484] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25484] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25484] exit_group(0)               = ?
[pid 25484] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25484, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25485
./strace-static-x86_64: Process 25485 attached
[pid 25485] set_robust_list(0x555555f76660, 24) = 0
[pid 25485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25485] setpgid(0, 0)               = 0
[pid 25485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25485] write(3, "1000", 4executing program
)         = 4
[pid 25485] close(3)                    = 0
[pid 25485] write(1, "executing program\n", 18) = 18
[pid 25485] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25485] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25485] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25485] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25485] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25485] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25485] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25485] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25485] exit_group(0)               = ?
[pid 25485] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25485, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25486 attached
, child_tidptr=0x555555f76650) = 25486
[pid 25486] set_robust_list(0x555555f76660, 24) = 0
[pid 25486] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25486] setpgid(0, 0)               = 0
[pid 25486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25486] write(3, "1000", 4)         = 4
[pid 25486] close(3)                    = 0
[pid 25486] write(1, "executing program\n", 18executing program
) = 18
[pid 25486] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25486] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25486] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25486] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25486] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25486] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25486] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25486] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25486] exit_group(0)               = ?
[pid 25486] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25486, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25487 attached
, child_tidptr=0x555555f76650) = 25487
[pid 25487] set_robust_list(0x555555f76660, 24) = 0
[pid 25487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25487] setpgid(0, 0)               = 0
[pid 25487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25487] write(3, "1000", 4)         = 4
[pid 25487] close(3)                    = 0
[pid 25487] write(1, "executing program\n", 18executing program
) = 18
[pid 25487] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25487] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25487] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25487] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25487] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25487] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25487] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25487] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25487] exit_group(0)               = ?
[pid 25487] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25487, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25488 attached
, child_tidptr=0x555555f76650) = 25488
[pid 25488] set_robust_list(0x555555f76660, 24) = 0
[pid 25488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25488] setpgid(0, 0)               = 0
[pid 25488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25488] write(3, "1000", 4)         = 4
[pid 25488] close(3)                    = 0
[pid 25488] write(1, "executing program\n", 18executing program
) = 18
[pid 25488] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25488] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25488] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25488] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25488] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25488] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25488] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25488] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25488] exit_group(0)               = ?
[pid 25488] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25488, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25489 attached
, child_tidptr=0x555555f76650) = 25489
[pid 25489] set_robust_list(0x555555f76660, 24) = 0
[pid 25489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25489] setpgid(0, 0)               = 0
[pid 25489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25489] write(3, "1000", 4)         = 4
[pid 25489] close(3)                    = 0
[pid 25489] write(1, "executing program\n", 18executing program
) = 18
[pid 25489] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25489] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25489] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25489] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25489] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25489] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25489] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25489] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25489] exit_group(0)               = ?
[pid 25489] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25489, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25490 attached
, child_tidptr=0x555555f76650) = 25490
[pid 25490] set_robust_list(0x555555f76660, 24) = 0
[pid 25490] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25490] setpgid(0, 0)               = 0
[pid 25490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25490] write(3, "1000", 4)         = 4
[pid 25490] close(3)                    = 0
[pid 25490] write(1, "executing program\n", 18executing program
) = 18
[pid 25490] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25490] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25490] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25490] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25490] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25490] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25490] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25490] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25490] exit_group(0)               = ?
[pid 25490] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25490, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25491
./strace-static-x86_64: Process 25491 attached
[pid 25491] set_robust_list(0x555555f76660, 24) = 0
[pid 25491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25491] setpgid(0, 0)               = 0
[pid 25491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25491] write(3, "1000", 4)         = 4
[pid 25491] close(3executing program
)                    = 0
[pid 25491] write(1, "executing program\n", 18) = 18
[pid 25491] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25491] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25491] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25491] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25491] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25491] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25491] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25491] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25491] exit_group(0)               = ?
[pid 25491] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25491, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25492 attached
, child_tidptr=0x555555f76650) = 25492
[pid 25492] set_robust_list(0x555555f76660, 24) = 0
[pid 25492] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25492] setpgid(0, 0)               = 0
[pid 25492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25492] write(3, "1000", 4)         = 4
[pid 25492] close(3)                    = 0
[pid 25492] write(1, "executing program\n", 18executing program
) = 18
[pid 25492] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25492] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25492] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25492] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25492] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25492] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25492] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25492] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25492] exit_group(0)               = ?
[pid 25492] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25492, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25493 attached
, child_tidptr=0x555555f76650) = 25493
[pid 25493] set_robust_list(0x555555f76660, 24) = 0
[pid 25493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25493] setpgid(0, 0)               = 0
[pid 25493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25493] write(3, "1000", 4)         = 4
[pid 25493] close(3)                    = 0
[pid 25493] write(1, "executing program\n", 18) = 18
[pid 25493] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25493] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25493] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25493] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25493] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25493] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25493] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25493] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25493] exit_group(0)               = ?
[pid 25493] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25493, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25494
./strace-static-x86_64: Process 25494 attached
[pid 25494] set_robust_list(0x555555f76660, 24) = 0
[pid 25494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25494] setpgid(0, 0)               = 0
[pid 25494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25494] write(3, "1000", 4)         = 4
[pid 25494] close(3)                    = 0
[pid 25494] write(1, "executing program\n", 18executing program
) = 18
[pid 25494] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25494] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25494] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25494] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25494] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25494] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25494] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25494] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25494] exit_group(0)               = ?
[pid 25494] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25494, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25495 attached
, child_tidptr=0x555555f76650) = 25495
[pid 25495] set_robust_list(0x555555f76660, 24) = 0
[pid 25495] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25495] setpgid(0, 0)               = 0
[pid 25495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25495] write(3, "1000", 4)         = 4
[pid 25495] close(3)                    = 0
[pid 25495] write(1, "executing program\n", 18executing program
) = 18
[pid 25495] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25495] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25495] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25495] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25495] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25495] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25495] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25495] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25495] exit_group(0)               = ?
[pid 25495] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25495, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25496 attached
, child_tidptr=0x555555f76650) = 25496
[pid 25496] set_robust_list(0x555555f76660, 24) = 0
[pid 25496] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25496] setpgid(0, 0)               = 0
[pid 25496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25496] write(3, "1000", 4)         = 4
[pid 25496] close(3executing program
)                    = 0
[pid 25496] write(1, "executing program\n", 18) = 18
[pid 25496] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25496] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25496] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25496] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25496] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25496] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25496] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25496] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25496] exit_group(0)               = ?
[pid 25496] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25496, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25497 attached
, child_tidptr=0x555555f76650) = 25497
[pid 25497] set_robust_list(0x555555f76660, 24) = 0
[pid 25497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25497] setpgid(0, 0)               = 0
[pid 25497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25497] write(3, "1000", 4)         = 4
[pid 25497] close(3)                    = 0
executing program
[pid 25497] write(1, "executing program\n", 18) = 18
[pid 25497] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25497] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25497] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25497] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25497] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25497] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25497] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25497] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25497] exit_group(0)               = ?
[pid 25497] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25497, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25498 attached
, child_tidptr=0x555555f76650) = 25498
[pid 25498] set_robust_list(0x555555f76660, 24) = 0
[pid 25498] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25498] setpgid(0, 0)               = 0
[pid 25498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25498] write(3, "1000", 4)         = 4
[pid 25498] close(3)                    = 0
[pid 25498] write(1, "executing program\n", 18executing program
) = 18
[pid 25498] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25498] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25498] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25498] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25498] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25498] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25498] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25498] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25498] exit_group(0)               = ?
[pid 25498] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25498, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25499
./strace-static-x86_64: Process 25499 attached
[pid 25499] set_robust_list(0x555555f76660, 24) = 0
[pid 25499] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25499] setpgid(0, 0)               = 0
[pid 25499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25499] write(3, "1000", 4)         = 4
[pid 25499] close(3)                    = 0
[pid 25499] write(1, "executing program\n", 18executing program
) = 18
[pid 25499] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25499] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25499] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25499] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25499] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25499] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25499] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25499] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25499] exit_group(0)               = ?
[pid 25499] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25499, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25500 attached
, child_tidptr=0x555555f76650) = 25500
[pid 25500] set_robust_list(0x555555f76660, 24) = 0
[pid 25500] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25500] setpgid(0, 0)               = 0
[pid 25500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25500] write(3, "1000", 4)         = 4
[pid 25500] close(3)                    = 0
executing program
[pid 25500] write(1, "executing program\n", 18) = 18
[pid 25500] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25500] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25500] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25500] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25500] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25500] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25500] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25500] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25500] exit_group(0)               = ?
[pid 25500] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25500, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25501 attached
, child_tidptr=0x555555f76650) = 25501
[pid 25501] set_robust_list(0x555555f76660, 24) = 0
[pid 25501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25501] setpgid(0, 0)               = 0
[pid 25501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25501] write(3, "1000", 4)         = 4
executing program
[pid 25501] close(3)                    = 0
[pid 25501] write(1, "executing program\n", 18) = 18
[pid 25501] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25501] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25501] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25501] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25501] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25501] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25501] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25501] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25501] exit_group(0)               = ?
[pid 25501] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25501, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25502
./strace-static-x86_64: Process 25502 attached
[pid 25502] set_robust_list(0x555555f76660, 24) = 0
[pid 25502] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25502] setpgid(0, 0)               = 0
[pid 25502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25502] write(3, "1000", 4)         = 4
[pid 25502] close(3executing program
)                    = 0
[pid 25502] write(1, "executing program\n", 18) = 18
[pid 25502] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25502] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25502] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25502] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25502] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25502] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25502] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25502] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25502] exit_group(0)               = ?
[pid 25502] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25502, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25503
./strace-static-x86_64: Process 25503 attached
[pid 25503] set_robust_list(0x555555f76660, 24) = 0
[pid 25503] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25503] setpgid(0, 0)               = 0
[pid 25503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25503] write(3, "1000", 4)         = 4
[pid 25503] close(3)                    = 0
[pid 25503] write(1, "executing program\n", 18executing program
) = 18
[pid 25503] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25503] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25503] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25503] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25503] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25503] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25503] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25503] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25503] exit_group(0)               = ?
[pid 25503] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25503, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25504 attached
, child_tidptr=0x555555f76650) = 25504
[pid 25504] set_robust_list(0x555555f76660, 24) = 0
[pid 25504] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25504] setpgid(0, 0)               = 0
[pid 25504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25504] write(3, "1000", 4)         = 4
[pid 25504] close(3)                    = 0
[pid 25504] write(1, "executing program\n", 18executing program
) = 18
[pid 25504] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25504] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25504] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25504] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25504] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25504] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25504] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25504] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25504] exit_group(0)               = ?
[pid 25504] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25504, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25505 attached
, child_tidptr=0x555555f76650) = 25505
[pid 25505] set_robust_list(0x555555f76660, 24) = 0
[pid 25505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25505] setpgid(0, 0)               = 0
[pid 25505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25505] write(3, "1000", 4)         = 4
[pid 25505] close(3)                    = 0
executing program
[pid 25505] write(1, "executing program\n", 18) = 18
[pid 25505] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25505] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25505] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25505] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25505] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25505] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25505] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25505] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25505] exit_group(0)               = ?
[pid 25505] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25505, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25506 attached
, child_tidptr=0x555555f76650) = 25506
[pid 25506] set_robust_list(0x555555f76660, 24) = 0
[pid 25506] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25506] setpgid(0, 0)               = 0
[pid 25506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25506] write(3, "1000", 4)         = 4
[pid 25506] close(3)                    = 0
executing program
[pid 25506] write(1, "executing program\n", 18) = 18
[pid 25506] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25506] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25506] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25506] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25506] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25506] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25506] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25506] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25506] exit_group(0)               = ?
[pid 25506] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25506, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25507 attached
, child_tidptr=0x555555f76650) = 25507
[pid 25507] set_robust_list(0x555555f76660, 24) = 0
[pid 25507] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25507] setpgid(0, 0)               = 0
[pid 25507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25507] write(3, "1000", 4)         = 4
[pid 25507] close(3)                    = 0
executing program
[pid 25507] write(1, "executing program\n", 18) = 18
[pid 25507] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25507] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25507] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25507] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25507] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25507] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25507] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25507] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25507] exit_group(0)               = ?
[pid 25507] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25507, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25508
./strace-static-x86_64: Process 25508 attached
[pid 25508] set_robust_list(0x555555f76660, 24) = 0
[pid 25508] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25508] setpgid(0, 0)               = 0
[pid 25508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25508] write(3, "1000", 4)         = 4
[pid 25508] close(3executing program
)                    = 0
[pid 25508] write(1, "executing program\n", 18) = 18
[pid 25508] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25508] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25508] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25508] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25508] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25508] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25508] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25508] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25508] exit_group(0)               = ?
[pid 25508] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25508, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25509 attached
, child_tidptr=0x555555f76650) = 25509
[pid 25509] set_robust_list(0x555555f76660, 24) = 0
[pid 25509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25509] setpgid(0, 0)               = 0
[pid 25509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25509] write(3, "1000", 4)         = 4
executing program
[pid 25509] close(3)                    = 0
[pid 25509] write(1, "executing program\n", 18) = 18
[pid 25509] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25509] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25509] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25509] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25509] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25509] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25509] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25509] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25509] exit_group(0)               = ?
[pid 25509] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25509, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25510 attached
, child_tidptr=0x555555f76650) = 25510
[pid 25510] set_robust_list(0x555555f76660, 24) = 0
[pid 25510] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25510] setpgid(0, 0)               = 0
[pid 25510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25510] write(3, "1000", 4)         = 4
[pid 25510] close(3)                    = 0
[pid 25510] write(1, "executing program\n", 18executing program
) = 18
[pid 25510] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25510] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25510] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25510] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25510] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25510] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25510] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25510] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25510] exit_group(0)               = ?
[pid 25510] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25510, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25511 attached
, child_tidptr=0x555555f76650) = 25511
[pid 25511] set_robust_list(0x555555f76660, 24) = 0
[pid 25511] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25511] setpgid(0, 0)               = 0
[pid 25511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25511] write(3, "1000", 4)         = 4
[pid 25511] close(3)                    = 0
executing program
[pid 25511] write(1, "executing program\n", 18) = 18
[pid 25511] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25511] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25511] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25511] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25511] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25511] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25511] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25511] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25511] exit_group(0)               = ?
[pid 25511] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25511, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25512
./strace-static-x86_64: Process 25512 attached
[pid 25512] set_robust_list(0x555555f76660, 24) = 0
[pid 25512] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25512] setpgid(0, 0)               = 0
[pid 25512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25512] write(3, "1000", 4)         = 4
[pid 25512] close(3)                    = 0
[pid 25512] write(1, "executing program\n", 18executing program
) = 18
[pid 25512] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25512] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25512] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25512] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25512] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25512] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25512] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25512] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25512] exit_group(0)               = ?
[pid 25512] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25512, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25513
./strace-static-x86_64: Process 25513 attached
[pid 25513] set_robust_list(0x555555f76660, 24) = 0
[pid 25513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25513] setpgid(0, 0)               = 0
[pid 25513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25513] write(3, "1000", 4)         = 4
[pid 25513] close(3)                    = 0
[pid 25513] write(1, "executing program\n", 18executing program
) = 18
[pid 25513] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25513] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25513] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25513] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25513] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25513] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25513] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25513] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25513] exit_group(0)               = ?
[pid 25513] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25513, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25514 attached
, child_tidptr=0x555555f76650) = 25514
[pid 25514] set_robust_list(0x555555f76660, 24) = 0
[pid 25514] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25514] setpgid(0, 0)               = 0
[pid 25514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25514] write(3, "1000", 4)         = 4
[pid 25514] close(3)                    = 0
[pid 25514] write(1, "executing program\n", 18executing program
) = 18
[pid 25514] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25514] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25514] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25514] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25514] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25514] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25514] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25514] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25514] exit_group(0)               = ?
[pid 25514] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25514, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25515
./strace-static-x86_64: Process 25515 attached
[pid 25515] set_robust_list(0x555555f76660, 24) = 0
[pid 25515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25515] setpgid(0, 0)               = 0
[pid 25515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25515] write(3, "1000", 4)         = 4
[pid 25515] close(3)                    = 0
[pid 25515] write(1, "executing program\n", 18executing program
) = 18
[pid 25515] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25515] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25515] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25515] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25515] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25515] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25515] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25515] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25515] exit_group(0)               = ?
[pid 25515] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25515, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25516
./strace-static-x86_64: Process 25516 attached
[pid 25516] set_robust_list(0x555555f76660, 24) = 0
[pid 25516] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25516] setpgid(0, 0)               = 0
[pid 25516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25516] write(3, "1000", 4)         = 4
[pid 25516] close(3)                    = 0
[pid 25516] write(1, "executing program\n", 18executing program
) = 18
[pid 25516] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25516] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25516] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25516] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25516] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25516] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25516] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25516] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25516] exit_group(0)               = ?
[pid 25516] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25516, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25517 attached
, child_tidptr=0x555555f76650) = 25517
[pid 25517] set_robust_list(0x555555f76660, 24) = 0
[pid 25517] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25517] setpgid(0, 0)               = 0
[pid 25517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25517] write(3, "1000", 4)         = 4
[pid 25517] close(3)                    = 0
[pid 25517] write(1, "executing program\n", 18executing program
) = 18
[pid 25517] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25517] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25517] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25517] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25517] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25517] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25517] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25517] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25517] exit_group(0)               = ?
[pid 25517] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25517, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25518
./strace-static-x86_64: Process 25518 attached
[pid 25518] set_robust_list(0x555555f76660, 24) = 0
[pid 25518] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25518] setpgid(0, 0)               = 0
[pid 25518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25518] write(3, "1000", 4)         = 4
[pid 25518] close(3)                    = 0
[pid 25518] write(1, "executing program\n", 18executing program
) = 18
[pid 25518] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25518] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25518] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25518] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25518] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25518] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25518] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25518] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25518] exit_group(0)               = ?
[pid 25518] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25518, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25519 attached
, child_tidptr=0x555555f76650) = 25519
[pid 25519] set_robust_list(0x555555f76660, 24) = 0
[pid 25519] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25519] setpgid(0, 0)               = 0
[pid 25519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25519] write(3, "1000", 4)         = 4
[pid 25519] close(3)                    = 0
executing program
[pid 25519] write(1, "executing program\n", 18) = 18
[pid 25519] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25519] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25519] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25519] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25519] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25519] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25519] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25519] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25519] exit_group(0)               = ?
[pid 25519] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25519, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25520 attached
, child_tidptr=0x555555f76650) = 25520
[pid 25520] set_robust_list(0x555555f76660, 24) = 0
[pid 25520] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25520] setpgid(0, 0)               = 0
[pid 25520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25520] write(3, "1000", 4)         = 4
[pid 25520] close(3executing program
)                    = 0
[pid 25520] write(1, "executing program\n", 18) = 18
[pid 25520] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25520] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25520] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25520] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25520] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25520] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25520] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25520] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25520] exit_group(0)               = ?
[pid 25520] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25520, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25521
./strace-static-x86_64: Process 25521 attached
[pid 25521] set_robust_list(0x555555f76660, 24) = 0
[pid 25521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25521] setpgid(0, 0)               = 0
[pid 25521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25521] write(3, "1000", 4)         = 4
[pid 25521] close(3)                    = 0
executing program
[pid 25521] write(1, "executing program\n", 18) = 18
[pid 25521] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25521] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25521] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25521] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25521] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25521] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25521] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25521] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25521] exit_group(0)               = ?
[pid 25521] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25521, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25522
./strace-static-x86_64: Process 25522 attached
[pid 25522] set_robust_list(0x555555f76660, 24) = 0
[pid 25522] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25522] setpgid(0, 0)               = 0
[pid 25522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25522] write(3, "1000", 4)         = 4
[pid 25522] close(3executing program
)                    = 0
[pid 25522] write(1, "executing program\n", 18) = 18
[pid 25522] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25522] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25522] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25522] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25522] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25522] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25522] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25522] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25522] exit_group(0)               = ?
[pid 25522] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25522, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25523
./strace-static-x86_64: Process 25523 attached
[pid 25523] set_robust_list(0x555555f76660, 24) = 0
[pid 25523] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25523] setpgid(0, 0)               = 0
[pid 25523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25523] write(3, "1000", 4)         = 4
[pid 25523] close(3executing program
)                    = 0
[pid 25523] write(1, "executing program\n", 18) = 18
[pid 25523] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25523] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25523] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25523] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25523] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25523] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25523] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25523] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25523] exit_group(0)               = ?
[pid 25523] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25523, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25524 attached
, child_tidptr=0x555555f76650) = 25524
[pid 25524] set_robust_list(0x555555f76660, 24) = 0
[pid 25524] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25524] setpgid(0, 0)               = 0
[pid 25524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25524] write(3, "1000", 4)         = 4
[pid 25524] close(3)                    = 0
[pid 25524] write(1, "executing program\n", 18executing program
) = 18
[pid 25524] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25524] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25524] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25524] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25524] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25524] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25524] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25524] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25524] exit_group(0)               = ?
[pid 25524] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25524, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25525
./strace-static-x86_64: Process 25525 attached
[pid 25525] set_robust_list(0x555555f76660, 24) = 0
[pid 25525] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25525] setpgid(0, 0)               = 0
[pid 25525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25525] write(3, "1000", 4)         = 4
[pid 25525] close(3)                    = 0
executing program
[pid 25525] write(1, "executing program\n", 18) = 18
[pid 25525] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25525] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25525] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25525] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25525] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25525] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25525] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25525] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25525] exit_group(0)               = ?
[pid 25525] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25525, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25526
./strace-static-x86_64: Process 25526 attached
[pid 25526] set_robust_list(0x555555f76660, 24) = 0
[pid 25526] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25526] setpgid(0, 0)               = 0
[pid 25526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25526] write(3, "1000", 4)         = 4
[pid 25526] close(3)                    = 0
executing program
[pid 25526] write(1, "executing program\n", 18) = 18
[pid 25526] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25526] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25526] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25526] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25526] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25526] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25526] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25526] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25526] exit_group(0)               = ?
[pid 25526] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25526, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25527 attached
, child_tidptr=0x555555f76650) = 25527
[pid 25527] set_robust_list(0x555555f76660, 24) = 0
[pid 25527] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25527] setpgid(0, 0)               = 0
[pid 25527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25527] write(3, "1000", 4)         = 4
[pid 25527] close(3)                    = 0
executing program
[pid 25527] write(1, "executing program\n", 18) = 18
[pid 25527] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25527] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25527] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25527] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25527] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25527] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25527] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25527] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25527] exit_group(0)               = ?
[pid 25527] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25527, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25528 attached
, child_tidptr=0x555555f76650) = 25528
[pid 25528] set_robust_list(0x555555f76660, 24) = 0
[pid 25528] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25528] setpgid(0, 0)               = 0
[pid 25528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25528] write(3, "1000", 4)         = 4
[pid 25528] close(3)                    = 0
[pid 25528] write(1, "executing program\n", 18executing program
) = 18
[pid 25528] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25528] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25528] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25528] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25528] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25528] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25528] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25528] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25528] exit_group(0)               = ?
[pid 25528] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25528, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25529
./strace-static-x86_64: Process 25529 attached
[pid 25529] set_robust_list(0x555555f76660, 24) = 0
[pid 25529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25529] setpgid(0, 0)               = 0
[pid 25529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25529] write(3, "1000", 4)         = 4
[pid 25529] close(3)                    = 0
executing program
[pid 25529] write(1, "executing program\n", 18) = 18
[pid 25529] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25529] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25529] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25529] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25529] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25529] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25529] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25529] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25529] exit_group(0)               = ?
[pid 25529] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25529, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25530
./strace-static-x86_64: Process 25530 attached
[pid 25530] set_robust_list(0x555555f76660, 24) = 0
[pid 25530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25530] setpgid(0, 0)               = 0
[pid 25530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25530] write(3, "1000", 4)         = 4
[pid 25530] close(3)                    = 0
[pid 25530] write(1, "executing program\n", 18executing program
) = 18
[pid 25530] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25530] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25530] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25530] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25530] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25530] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25530] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25530] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25530] exit_group(0)               = ?
[pid 25530] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25530, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25531 attached
, child_tidptr=0x555555f76650) = 25531
[pid 25531] set_robust_list(0x555555f76660, 24) = 0
[pid 25531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25531] setpgid(0, 0)               = 0
[pid 25531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25531] write(3, "1000", 4)         = 4
[pid 25531] close(3)                    = 0
[pid 25531] write(1, "executing program\n", 18executing program
) = 18
[pid 25531] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25531] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25531] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25531] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25531] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25531] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25531] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25531] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25531] exit_group(0)               = ?
[pid 25531] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25531, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25532 attached
, child_tidptr=0x555555f76650) = 25532
[pid 25532] set_robust_list(0x555555f76660, 24) = 0
[pid 25532] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25532] setpgid(0, 0)               = 0
[pid 25532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25532] write(3, "1000", 4)         = 4
[pid 25532] close(3)                    = 0
[pid 25532] write(1, "executing program\n", 18executing program
) = 18
[pid 25532] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25532] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25532] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25532] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25532] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25532] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25532] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25532] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25532] exit_group(0)               = ?
[pid 25532] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25532, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25533
./strace-static-x86_64: Process 25533 attached
[pid 25533] set_robust_list(0x555555f76660, 24) = 0
[pid 25533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25533] setpgid(0, 0)               = 0
[pid 25533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25533] write(3, "1000", 4)         = 4
[pid 25533] close(3)                    = 0
[pid 25533] write(1, "executing program\n", 18executing program
) = 18
[pid 25533] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25533] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25533] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25533] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25533] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25533] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25533] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25533] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25533] exit_group(0)               = ?
[pid 25533] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25533, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25534 attached
, child_tidptr=0x555555f76650) = 25534
[pid 25534] set_robust_list(0x555555f76660, 24) = 0
[pid 25534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25534] setpgid(0, 0)               = 0
[pid 25534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25534] write(3, "1000", 4)         = 4
[pid 25534] close(3)                    = 0
[pid 25534] write(1, "executing program\n", 18executing program
) = 18
[pid 25534] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25534] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25534] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25534] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25534] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25534] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25534] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25534] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25534] exit_group(0)               = ?
[pid 25534] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25534, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25535 attached
, child_tidptr=0x555555f76650) = 25535
executing program
[pid 25535] set_robust_list(0x555555f76660, 24) = 0
[pid 25535] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25535] setpgid(0, 0)               = 0
[pid 25535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25535] write(3, "1000", 4)         = 4
[pid 25535] close(3)                    = 0
[pid 25535] write(1, "executing program\n", 18) = 18
[pid 25535] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25535] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25535] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25535] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25535] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25535] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25535] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25535] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25535] exit_group(0)               = ?
[pid 25535] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25535, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25536 attached
, child_tidptr=0x555555f76650) = 25536
[pid 25536] set_robust_list(0x555555f76660, 24) = 0
[pid 25536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25536] setpgid(0, 0)               = 0
[pid 25536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25536] write(3, "1000", 4)         = 4
[pid 25536] close(3)                    = 0
executing program
[pid 25536] write(1, "executing program\n", 18) = 18
[pid 25536] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25536] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25536] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25536] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25536] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25536] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25536] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25536] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25536] exit_group(0)               = ?
[pid 25536] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25536, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25537 attached
, child_tidptr=0x555555f76650) = 25537
[pid 25537] set_robust_list(0x555555f76660, 24) = 0
[pid 25537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25537] setpgid(0, 0)               = 0
[pid 25537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25537] write(3, "1000", 4)         = 4
[pid 25537] close(3)                    = 0
executing program
[pid 25537] write(1, "executing program\n", 18) = 18
[pid 25537] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25537] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25537] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25537] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25537] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25537] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25537] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25537] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25537] exit_group(0)               = ?
[pid 25537] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25537, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25538 attached
, child_tidptr=0x555555f76650) = 25538
[pid 25538] set_robust_list(0x555555f76660, 24) = 0
[pid 25538] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25538] setpgid(0, 0)               = 0
[pid 25538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25538] write(3, "1000", 4executing program
)         = 4
[pid 25538] close(3)                    = 0
[pid 25538] write(1, "executing program\n", 18) = 18
[pid 25538] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25538] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25538] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25538] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25538] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25538] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25538] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25538] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25538] exit_group(0)               = ?
[pid 25538] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25538, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25539 attached
, child_tidptr=0x555555f76650) = 25539
[pid 25539] set_robust_list(0x555555f76660, 24) = 0
[pid 25539] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25539] setpgid(0, 0)               = 0
[pid 25539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25539] write(3, "1000", 4)         = 4
[pid 25539] close(3)                    = 0
[pid 25539] write(1, "executing program\n", 18executing program
) = 18
[pid 25539] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25539] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25539] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25539] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25539] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25539] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25539] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25539] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25539] exit_group(0)               = ?
[pid 25539] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25539, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25540 attached
, child_tidptr=0x555555f76650) = 25540
[pid 25540] set_robust_list(0x555555f76660, 24) = 0
[pid 25540] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25540] setpgid(0, 0)               = 0
[pid 25540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25540] write(3, "1000", 4)         = 4
[pid 25540] close(3)                    = 0
[pid 25540] write(1, "executing program\n", 18executing program
) = 18
[pid 25540] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25540] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25540] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25540] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25540] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25540] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25540] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25540] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25540] exit_group(0)               = ?
[pid 25540] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25540, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25541 attached
, child_tidptr=0x555555f76650) = 25541
[pid 25541] set_robust_list(0x555555f76660, 24) = 0
[pid 25541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25541] setpgid(0, 0)               = 0
[pid 25541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25541] write(3, "1000", 4)         = 4
[pid 25541] close(3)                    = 0
[pid 25541] write(1, "executing program\n", 18executing program
) = 18
[pid 25541] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25541] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25541] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25541] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25541] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25541] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25541] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25541] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25541] exit_group(0)               = ?
[pid 25541] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25541, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25542 attached
, child_tidptr=0x555555f76650) = 25542
[pid 25542] set_robust_list(0x555555f76660, 24) = 0
[pid 25542] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25542] setpgid(0, 0)               = 0
[pid 25542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25542] write(3, "1000", 4)         = 4
[pid 25542] close(3)                    = 0
executing program
[pid 25542] write(1, "executing program\n", 18) = 18
[pid 25542] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25542] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25542] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25542] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25542] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25542] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25542] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25542] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25542] exit_group(0)               = ?
[pid 25542] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25542, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25543
./strace-static-x86_64: Process 25543 attached
[pid 25543] set_robust_list(0x555555f76660, 24) = 0
[pid 25543] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25543] setpgid(0, 0)               = 0
[pid 25543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25543] write(3, "1000", 4)         = 4
[pid 25543] close(3)                    = 0
executing program
[pid 25543] write(1, "executing program\n", 18) = 18
[pid 25543] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25543] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25543] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25543] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25543] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25543] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25543] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25543] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25543] exit_group(0)               = ?
[pid 25543] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25543, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25544 attached
, child_tidptr=0x555555f76650) = 25544
[pid 25544] set_robust_list(0x555555f76660, 24) = 0
[pid 25544] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25544] setpgid(0, 0)               = 0
[pid 25544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25544] write(3, "1000", 4)         = 4
[pid 25544] close(3)                    = 0
[pid 25544] write(1, "executing program\n", 18executing program
) = 18
[pid 25544] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25544] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25544] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25544] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25544] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25544] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25544] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25544] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25544] exit_group(0)               = ?
[pid 25544] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25544, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25545 attached
, child_tidptr=0x555555f76650) = 25545
[pid 25545] set_robust_list(0x555555f76660, 24executing program
) = 0
[pid 25545] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25545] setpgid(0, 0)               = 0
[pid 25545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25545] write(3, "1000", 4)         = 4
[pid 25545] close(3)                    = 0
[pid 25545] write(1, "executing program\n", 18) = 18
[pid 25545] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25545] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25545] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25545] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25545] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25545] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25545] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25545] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25545] exit_group(0)               = ?
[pid 25545] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25545, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25546 attached
, child_tidptr=0x555555f76650) = 25546
[pid 25546] set_robust_list(0x555555f76660, 24) = 0
[pid 25546] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25546] setpgid(0, 0)               = 0
[pid 25546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25546] write(3, "1000", 4)         = 4
[pid 25546] close(3)                    = 0
[pid 25546] write(1, "executing program\n", 18executing program
) = 18
[pid 25546] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25546] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25546] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25546] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25546] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25546] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25546] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25546] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25546] exit_group(0)               = ?
[pid 25546] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25546, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25547
./strace-static-x86_64: Process 25547 attached
[pid 25547] set_robust_list(0x555555f76660, 24) = 0
[pid 25547] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25547] setpgid(0, 0)               = 0
[pid 25547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25547] write(3, "1000", 4)         = 4
[pid 25547] close(3)                    = 0
[pid 25547] write(1, "executing program\n", 18executing program
) = 18
[pid 25547] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25547] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25547] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25547] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25547] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25547] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25547] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25547] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25547] exit_group(0)               = ?
[pid 25547] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25547, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25548
./strace-static-x86_64: Process 25548 attached
[pid 25548] set_robust_list(0x555555f76660, 24) = 0
[pid 25548] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25548] setpgid(0, 0)               = 0
[pid 25548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25548] write(3, "1000", 4)         = 4
[pid 25548] close(3)                    = 0
executing program
[pid 25548] write(1, "executing program\n", 18) = 18
[pid 25548] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25548] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25548] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25548] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25548] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25548] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25548] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25548] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25548] exit_group(0)               = ?
[pid 25548] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25548, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25549 attached
, child_tidptr=0x555555f76650) = 25549
[pid 25549] set_robust_list(0x555555f76660, 24) = 0
[pid 25549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25549] setpgid(0, 0)               = 0
[pid 25549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25549] write(3, "1000", 4)         = 4
[pid 25549] close(3)                    = 0
[pid 25549] write(1, "executing program\n", 18executing program
) = 18
[pid 25549] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25549] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25549] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25549] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25549] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25549] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25549] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25549] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25549] exit_group(0)               = ?
[pid 25549] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25549, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25550
./strace-static-x86_64: Process 25550 attached
[pid 25550] set_robust_list(0x555555f76660, 24) = 0
[pid 25550] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25550] setpgid(0, 0)               = 0
[pid 25550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25550] write(3, "1000", 4)         = 4
[pid 25550] close(3)                    = 0
[pid 25550] write(1, "executing program\n", 18executing program
) = 18
[pid 25550] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25550] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25550] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25550] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25550] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25550] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25550] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25550] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25550] exit_group(0)               = ?
[pid 25550] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25550, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25551 attached
, child_tidptr=0x555555f76650) = 25551
[pid 25551] set_robust_list(0x555555f76660, 24) = 0
[pid 25551] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25551] setpgid(0, 0)               = 0
[pid 25551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25551] write(3, "1000", 4)         = 4
[pid 25551] close(3)                    = 0
[pid 25551] write(1, "executing program\n", 18) = 18
[pid 25551] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25551] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25551] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25551] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25551] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25551] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25551] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25551] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25551] exit_group(0)               = ?
[pid 25551] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25551, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25552 attached
, child_tidptr=0x555555f76650) = 25552
[pid 25552] set_robust_list(0x555555f76660, 24) = 0
[pid 25552] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25552] setpgid(0, 0)               = 0
[pid 25552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25552] write(3, "1000", 4)         = 4
[pid 25552] close(3)                    = 0
[pid 25552] write(1, "executing program\n", 18executing program
) = 18
[pid 25552] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25552] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25552] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25552] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25552] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25552] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25552] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25552] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25552] exit_group(0)               = ?
[pid 25552] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25552, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25553 attached
, child_tidptr=0x555555f76650) = 25553
[pid 25553] set_robust_list(0x555555f76660, 24) = 0
[pid 25553] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25553] setpgid(0, 0)               = 0
[pid 25553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25553] write(3, "1000", 4)         = 4
[pid 25553] close(3)                    = 0
[pid 25553] write(1, "executing program\n", 18executing program
) = 18
[pid 25553] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25553] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25553] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25553] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25553] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25553] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25553] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25553] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25553] exit_group(0)               = ?
[pid 25553] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25553, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25554 attached
, child_tidptr=0x555555f76650) = 25554
[pid 25554] set_robust_list(0x555555f76660, 24) = 0
[pid 25554] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25554] setpgid(0, 0)               = 0
[pid 25554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25554] write(3, "1000", 4)         = 4
[pid 25554] close(3)                    = 0
[pid 25554] write(1, "executing program\n", 18executing program
) = 18
[pid 25554] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25554] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25554] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25554] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25554] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25554] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25554] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25554] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25554] exit_group(0)               = ?
[pid 25554] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25554, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25555 attached
, child_tidptr=0x555555f76650) = 25555
[pid 25555] set_robust_list(0x555555f76660, 24) = 0
[pid 25555] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25555] setpgid(0, 0)               = 0
[pid 25555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25555] write(3, "1000", 4)         = 4
[pid 25555] close(3)                    = 0
[pid 25555] write(1, "executing program\n", 18executing program
) = 18
[pid 25555] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25555] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25555] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25555] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25555] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25555] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25555] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25555] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25555] exit_group(0)               = ?
[pid 25555] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25555, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25556
./strace-static-x86_64: Process 25556 attached
[pid 25556] set_robust_list(0x555555f76660, 24) = 0
[pid 25556] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25556] setpgid(0, 0)               = 0
[pid 25556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25556] write(3, "1000", 4)         = 4
[pid 25556] close(3)                    = 0
executing program
[pid 25556] write(1, "executing program\n", 18) = 18
[pid 25556] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25556] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25556] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25556] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25556] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25556] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25556] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25556] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25556] exit_group(0)               = ?
[pid 25556] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25556, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25557
./strace-static-x86_64: Process 25557 attached
[pid 25557] set_robust_list(0x555555f76660, 24) = 0
[pid 25557] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25557] setpgid(0, 0)               = 0
[pid 25557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25557] write(3, "1000", 4)         = 4
[pid 25557] close(3)                    = 0
executing program
[pid 25557] write(1, "executing program\n", 18) = 18
[pid 25557] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25557] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25557] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25557] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25557] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25557] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25557] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25557] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25557] exit_group(0)               = ?
[pid 25557] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25557, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25558 attached
, child_tidptr=0x555555f76650) = 25558
[pid 25558] set_robust_list(0x555555f76660, 24) = 0
[pid 25558] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25558] setpgid(0, 0)               = 0
[pid 25558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25558] write(3, "1000", 4)         = 4
[pid 25558] close(3)                    = 0
executing program
[pid 25558] write(1, "executing program\n", 18) = 18
[pid 25558] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25558] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25558] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25558] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25558] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25558] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25558] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25558] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25558] exit_group(0)               = ?
[pid 25558] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25558, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25559
./strace-static-x86_64: Process 25559 attached
[pid 25559] set_robust_list(0x555555f76660, 24) = 0
[pid 25559] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25559] setpgid(0, 0)               = 0
[pid 25559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25559] write(3, "1000", 4)         = 4
[pid 25559] close(3)                    = 0
executing program
[pid 25559] write(1, "executing program\n", 18) = 18
[pid 25559] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25559] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25559] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25559] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25559] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25559] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25559] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25559] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25559] exit_group(0)               = ?
[pid 25559] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25559, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25560
./strace-static-x86_64: Process 25560 attached
[pid 25560] set_robust_list(0x555555f76660, 24) = 0
[pid 25560] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25560] setpgid(0, 0)               = 0
[pid 25560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25560] write(3, "1000", 4)         = 4
[pid 25560] close(3)                    = 0
[pid 25560] write(1, "executing program\n", 18executing program
) = 18
[pid 25560] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25560] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25560] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25560] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25560] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25560] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25560] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25560] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25560] exit_group(0)               = ?
[pid 25560] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25560, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25561
./strace-static-x86_64: Process 25561 attached
[pid 25561] set_robust_list(0x555555f76660, 24) = 0
[pid 25561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25561] setpgid(0, 0)               = 0
[pid 25561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25561] write(3, "1000", 4)         = 4
[pid 25561] close(3)                    = 0
[pid 25561] write(1, "executing program\n", 18executing program
) = 18
[pid 25561] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25561] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25561] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25561] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25561] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25561] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25561] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25561] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25561] exit_group(0)               = ?
[pid 25561] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25561, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25562 attached
, child_tidptr=0x555555f76650) = 25562
[pid 25562] set_robust_list(0x555555f76660, 24) = 0
[pid 25562] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25562] setpgid(0, 0)               = 0
[pid 25562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25562] write(3, "1000", 4)         = 4
[pid 25562] close(3)                    = 0
executing program
[pid 25562] write(1, "executing program\n", 18) = 18
[pid 25562] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25562] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25562] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25562] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25562] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25562] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25562] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25562] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25562] exit_group(0)               = ?
[pid 25562] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25562, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25563
./strace-static-x86_64: Process 25563 attached
[pid 25563] set_robust_list(0x555555f76660, 24) = 0
[pid 25563] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25563] setpgid(0, 0)               = 0
[pid 25563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25563] write(3, "1000", 4)         = 4
[pid 25563] close(3)                    = 0
executing program
[pid 25563] write(1, "executing program\n", 18) = 18
[pid 25563] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25563] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25563] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25563] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25563] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25563] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25563] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25563] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25563] exit_group(0)               = ?
[pid 25563] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25563, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25564 attached
, child_tidptr=0x555555f76650) = 25564
[pid 25564] set_robust_list(0x555555f76660, 24) = 0
[pid 25564] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25564] setpgid(0, 0)               = 0
[pid 25564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25564] write(3, "1000", 4)         = 4
[pid 25564] close(3executing program
)                    = 0
[pid 25564] write(1, "executing program\n", 18) = 18
[pid 25564] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25564] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25564] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25564] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25564] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25564] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25564] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25564] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25564] exit_group(0)               = ?
[pid 25564] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25564, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25565 attached
, child_tidptr=0x555555f76650) = 25565
[pid 25565] set_robust_list(0x555555f76660, 24) = 0
[pid 25565] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25565] setpgid(0, 0)               = 0
[pid 25565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25565] write(3, "1000", 4)         = 4
[pid 25565] close(3)                    = 0
[pid 25565] write(1, "executing program\n", 18) = 18
[pid 25565] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25565] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25565] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25565] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25565] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25565] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25565] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25565] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25565] exit_group(0)               = ?
[pid 25565] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25565, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25566 attached
, child_tidptr=0x555555f76650) = 25566
[pid 25566] set_robust_list(0x555555f76660, 24) = 0
[pid 25566] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25566] setpgid(0, 0)               = 0
[pid 25566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25566] write(3, "1000", 4executing program
)         = 4
[pid 25566] close(3)                    = 0
[pid 25566] write(1, "executing program\n", 18) = 18
[pid 25566] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25566] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25566] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25566] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25566] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25566] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25566] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25566] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25566] exit_group(0)               = ?
[pid 25566] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25566, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25567 attached
, child_tidptr=0x555555f76650) = 25567
[pid 25567] set_robust_list(0x555555f76660, 24) = 0
[pid 25567] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25567] setpgid(0, 0)               = 0
[pid 25567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25567] write(3, "1000", 4)         = 4
[pid 25567] close(3)                    = 0
executing program
[pid 25567] write(1, "executing program\n", 18) = 18
[pid 25567] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25567] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25567] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25567] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25567] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25567] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25567] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25567] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25567] exit_group(0)               = ?
[pid 25567] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25567, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25568
./strace-static-x86_64: Process 25568 attached
[pid 25568] set_robust_list(0x555555f76660, 24) = 0
[pid 25568] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25568] setpgid(0, 0)               = 0
[pid 25568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25568] write(3, "1000", 4)         = 4
[pid 25568] close(3)                    = 0
[pid 25568] write(1, "executing program\n", 18executing program
) = 18
[pid 25568] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25568] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25568] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25568] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25568] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25568] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25568] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25568] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25568] exit_group(0)               = ?
[pid 25568] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25568, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25569 attached
, child_tidptr=0x555555f76650) = 25569
[pid 25569] set_robust_list(0x555555f76660, 24) = 0
[pid 25569] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25569] setpgid(0, 0)               = 0
[pid 25569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25569] write(3, "1000", 4executing program
)         = 4
[pid 25569] close(3)                    = 0
[pid 25569] write(1, "executing program\n", 18) = 18
[pid 25569] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25569] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25569] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25569] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25569] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25569] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25569] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25569] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25569] exit_group(0)               = ?
[pid 25569] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25569, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25570 attached
, child_tidptr=0x555555f76650) = 25570
[pid 25570] set_robust_list(0x555555f76660, 24) = 0
[pid 25570] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25570] setpgid(0, 0)               = 0
[pid 25570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25570] write(3, "1000", 4)         = 4
[pid 25570] close(3)                    = 0
executing program
[pid 25570] write(1, "executing program\n", 18) = 18
[pid 25570] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25570] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25570] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25570] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25570] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25570] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25570] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25570] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25570] exit_group(0)               = ?
[pid 25570] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25570, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25571
./strace-static-x86_64: Process 25571 attached
[pid 25571] set_robust_list(0x555555f76660, 24) = 0
[pid 25571] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25571] setpgid(0, 0)               = 0
[pid 25571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25571] write(3, "1000", 4)         = 4
[pid 25571] close(3)                    = 0
executing program
[pid 25571] write(1, "executing program\n", 18) = 18
[pid 25571] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25571] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25571] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25571] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25571] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25571] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25571] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25571] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25571] exit_group(0)               = ?
[pid 25571] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25571, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25572 attached
, child_tidptr=0x555555f76650) = 25572
[pid 25572] set_robust_list(0x555555f76660, 24) = 0
[pid 25572] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25572] setpgid(0, 0)               = 0
[pid 25572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25572] write(3, "1000", 4)         = 4
[pid 25572] close(3executing program
)                    = 0
[pid 25572] write(1, "executing program\n", 18) = 18
[pid 25572] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25572] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25572] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25572] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25572] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25572] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25572] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25572] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25572] exit_group(0)               = ?
[pid 25572] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25572, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25574
./strace-static-x86_64: Process 25574 attached
[pid 25574] set_robust_list(0x555555f76660, 24) = 0
[pid 25574] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25574] setpgid(0, 0)               = 0
[pid 25574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
executing program
[pid 25574] write(3, "1000", 4)         = 4
[pid 25574] close(3)                    = 0
[pid 25574] write(1, "executing program\n", 18) = 18
[pid 25574] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25574] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25574] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25574] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25574] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25574] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25574] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25574] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25574] exit_group(0)               = ?
[pid 25574] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25574, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25575 attached
, child_tidptr=0x555555f76650) = 25575
[pid 25575] set_robust_list(0x555555f76660, 24) = 0
[pid 25575] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25575] setpgid(0, 0)               = 0
[pid 25575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25575] write(3, "1000", 4)         = 4
[pid 25575] close(3)                    = 0
[pid 25575] write(1, "executing program\n", 18executing program
) = 18
[pid 25575] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25575] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25575] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25575] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25575] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25575] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25575] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25575] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25575] exit_group(0)               = ?
[pid 25575] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25575, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25576 attached
, child_tidptr=0x555555f76650) = 25576
[pid 25576] set_robust_list(0x555555f76660, 24) = 0
[pid 25576] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25576] setpgid(0, 0)               = 0
[pid 25576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25576] write(3, "1000", 4)         = 4
[pid 25576] close(3)                    = 0
[pid 25576] write(1, "executing program\n", 18executing program
) = 18
[pid 25576] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25576] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25576] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25576] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25576] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25576] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25576] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25576] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25576] exit_group(0)               = ?
[pid 25576] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25576, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25577 attached
, child_tidptr=0x555555f76650) = 25577
[pid 25577] set_robust_list(0x555555f76660, 24) = 0
[pid 25577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25577] setpgid(0, 0)               = 0
[pid 25577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25577] write(3, "1000", 4)         = 4
[pid 25577] close(3)                    = 0
[pid 25577] write(1, "executing program\n", 18executing program
) = 18
[pid 25577] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25577] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25577] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25577] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25577] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25577] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25577] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25577] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25577] exit_group(0)               = ?
[pid 25577] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25577, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25578 attached
, child_tidptr=0x555555f76650) = 25578
[pid 25578] set_robust_list(0x555555f76660, 24) = 0
[pid 25578] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25578] setpgid(0, 0)               = 0
[pid 25578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25578] write(3, "1000", 4)         = 4
[pid 25578] close(3)                    = 0
executing program
[pid 25578] write(1, "executing program\n", 18) = 18
[pid 25578] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25578] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25578] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25578] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25578] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25578] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25578] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25578] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25578] exit_group(0)               = ?
[pid 25578] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25578, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25579
./strace-static-x86_64: Process 25579 attached
[pid 25579] set_robust_list(0x555555f76660, 24) = 0
[pid 25579] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25579] setpgid(0, 0)               = 0
[pid 25579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25579] write(3, "1000", 4)         = 4
[pid 25579] close(3executing program
)                    = 0
[pid 25579] write(1, "executing program\n", 18) = 18
[pid 25579] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25579] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25579] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25579] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25579] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25579] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25579] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25579] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25579] exit_group(0)               = ?
[pid 25579] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25579, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25580
./strace-static-x86_64: Process 25580 attached
[pid 25580] set_robust_list(0x555555f76660, 24) = 0
[pid 25580] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25580] setpgid(0, 0)               = 0
[pid 25580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25580] write(3, "1000", 4)         = 4
[pid 25580] close(3)                    = 0
executing program
[pid 25580] write(1, "executing program\n", 18) = 18
[pid 25580] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25580] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25580] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25580] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25580] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25580] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25580] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25580] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25580] exit_group(0)               = ?
[pid 25580] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25580, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25581 attached
, child_tidptr=0x555555f76650) = 25581
[pid 25581] set_robust_list(0x555555f76660, 24) = 0
[pid 25581] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25581] setpgid(0, 0)               = 0
[pid 25581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25581] write(3, "1000", 4)         = 4
[pid 25581] close(3)                    = 0
[pid 25581] write(1, "executing program\n", 18executing program
) = 18
[pid 25581] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25581] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25581] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25581] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25581] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25581] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25581] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25581] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25581] exit_group(0)               = ?
[pid 25581] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25581, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25582
./strace-static-x86_64: Process 25582 attached
[pid 25582] set_robust_list(0x555555f76660, 24) = 0
[pid 25582] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25582] setpgid(0, 0)               = 0
[pid 25582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25582] write(3, "1000", 4)         = 4
[pid 25582] close(3)                    = 0
[pid 25582] write(1, "executing program\n", 18executing program
) = 18
[pid 25582] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25582] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25582] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25582] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25582] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25582] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25582] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25582] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25582] exit_group(0)               = ?
[pid 25582] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25582, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25583 attached
, child_tidptr=0x555555f76650) = 25583
[pid 25583] set_robust_list(0x555555f76660, 24) = 0
[pid 25583] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25583] setpgid(0, 0)               = 0
[pid 25583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25583] write(3, "1000", 4)         = 4
[pid 25583] close(3executing program
)                    = 0
[pid 25583] write(1, "executing program\n", 18) = 18
[pid 25583] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25583] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25583] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25583] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25583] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25583] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25583] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25583] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25583] exit_group(0)               = ?
[pid 25583] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25583, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25584
./strace-static-x86_64: Process 25584 attached
[pid 25584] set_robust_list(0x555555f76660, 24) = 0
[pid 25584] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25584] setpgid(0, 0)               = 0
[pid 25584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25584] write(3, "1000", 4)         = 4
[pid 25584] close(3)                    = 0
executing program
[pid 25584] write(1, "executing program\n", 18) = 18
[pid 25584] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25584] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25584] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25584] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25584] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25584] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25584] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25584] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25584] exit_group(0)               = ?
[pid 25584] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25584, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25585
./strace-static-x86_64: Process 25585 attached
[pid 25585] set_robust_list(0x555555f76660, 24) = 0
[pid 25585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25585] setpgid(0, 0)               = 0
[pid 25585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25585] write(3, "1000", 4)         = 4
[pid 25585] close(3)                    = 0
[pid 25585] write(1, "executing program\n", 18executing program
) = 18
[pid 25585] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25585] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25585] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25585] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25585] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25585] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25585] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25585] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25585] exit_group(0)               = ?
[pid 25585] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25585, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25586
./strace-static-x86_64: Process 25586 attached
[pid 25586] set_robust_list(0x555555f76660, 24) = 0
[pid 25586] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25586] setpgid(0, 0)               = 0
[pid 25586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25586] write(3, "1000", 4)         = 4
[pid 25586] close(3)                    = 0
executing program
[pid 25586] write(1, "executing program\n", 18) = 18
[pid 25586] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25586] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25586] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25586] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25586] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25586] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25586] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25586] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25586] exit_group(0)               = ?
[pid 25586] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25586, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>executing program
) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25587
./strace-static-x86_64: Process 25587 attached
[pid 25587] set_robust_list(0x555555f76660, 24) = 0
[pid 25587] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25587] setpgid(0, 0)               = 0
[pid 25587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25587] write(3, "1000", 4)         = 4
[pid 25587] close(3)                    = 0
[pid 25587] write(1, "executing program\n", 18) = 18
[pid 25587] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25587] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25587] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25587] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25587] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25587] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25587] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25587] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25587] exit_group(0)               = ?
[pid 25587] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25587, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25588
./strace-static-x86_64: Process 25588 attached
[pid 25588] set_robust_list(0x555555f76660, 24) = 0
[pid 25588] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25588] setpgid(0, 0)               = 0
[pid 25588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25588] write(3, "1000", 4executing program
)         = 4
[pid 25588] close(3)                    = 0
[pid 25588] write(1, "executing program\n", 18) = 18
[pid 25588] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25588] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25588] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25588] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25588] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25588] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25588] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25588] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25588] exit_group(0)               = ?
[pid 25588] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25588, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25589 attached
, child_tidptr=0x555555f76650) = 25589
[pid 25589] set_robust_list(0x555555f76660, 24) = 0
[pid 25589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25589] setpgid(0, 0)               = 0
[pid 25589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25589] write(3, "1000", 4)         = 4
[pid 25589] close(3executing program
)                    = 0
[pid 25589] write(1, "executing program\n", 18) = 18
[pid 25589] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25589] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25589] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25589] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25589] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25589] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25589] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25589] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25589] exit_group(0)               = ?
[pid 25589] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25589, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25590 attached
, child_tidptr=0x555555f76650) = 25590
[pid 25590] set_robust_list(0x555555f76660, 24) = 0
[pid 25590] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25590] setpgid(0, 0)               = 0
[pid 25590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25590] write(3, "1000", 4)         = 4
executing program
[pid 25590] close(3)                    = 0
[pid 25590] write(1, "executing program\n", 18) = 18
[pid 25590] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25590] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25590] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25590] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25590] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25590] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25590] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25590] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25590] exit_group(0)               = ?
[pid 25590] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25590, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25591 attached
, child_tidptr=0x555555f76650) = 25591
[pid 25591] set_robust_list(0x555555f76660, 24) = 0
[pid 25591] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25591] setpgid(0, 0)               = 0
[pid 25591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25591] write(3, "1000", 4)         = 4
[pid 25591] close(3)                    = 0
[pid 25591] write(1, "executing program\n", 18executing program
) = 18
[pid 25591] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25591] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25591] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25591] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25591] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25591] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25591] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25591] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25591] exit_group(0)               = ?
[pid 25591] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25591, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25592
./strace-static-x86_64: Process 25592 attached
[pid 25592] set_robust_list(0x555555f76660, 24) = 0
[pid 25592] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25592] setpgid(0, 0)               = 0
[pid 25592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25592] write(3, "1000", 4)         = 4
[pid 25592] close(3executing program
)                    = 0
[pid 25592] write(1, "executing program\n", 18) = 18
[pid 25592] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25592] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25592] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25592] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25592] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25592] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25592] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25592] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25592] exit_group(0)               = ?
[pid 25592] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25592, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25593
./strace-static-x86_64: Process 25593 attached
[pid 25593] set_robust_list(0x555555f76660, 24) = 0
[pid 25593] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25593] setpgid(0, 0)               = 0
[pid 25593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25593] write(3, "1000", 4)         = 4
[pid 25593] close(3)                    = 0
[pid 25593] write(1, "executing program\n", 18executing program
) = 18
[pid 25593] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25593] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25593] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25593] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25593] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25593] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25593] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25593] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25593] exit_group(0)               = ?
[pid 25593] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25593, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25594
./strace-static-x86_64: Process 25594 attached
[pid 25594] set_robust_list(0x555555f76660, 24) = 0
[pid 25594] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25594] setpgid(0, 0)               = 0
[pid 25594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25594] write(3, "1000", 4)         = 4
[pid 25594] close(3)                    = 0
executing program
[pid 25594] write(1, "executing program\n", 18) = 18
[pid 25594] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25594] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25594] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25594] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25594] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25594] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25594] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25594] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25594] exit_group(0)               = ?
[pid 25594] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25594, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25595
./strace-static-x86_64: Process 25595 attached
[pid 25595] set_robust_list(0x555555f76660, 24) = 0
[pid 25595] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25595] setpgid(0, 0)               = 0
[pid 25595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25595] write(3, "1000", 4)         = 4
[pid 25595] close(3)                    = 0
[pid 25595] write(1, "executing program\n", 18executing program
) = 18
[pid 25595] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25595] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25595] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25595] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25595] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25595] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25595] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25595] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25595] exit_group(0)               = ?
[pid 25595] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25595, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25596 attached
 <unfinished ...>
[pid 25596] set_robust_list(0x555555f76660, 24) = 0
[pid 25596] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25596] setpgid(0, 0)               = 0
[pid 25596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   357] <... clone resumed>, child_tidptr=0x555555f76650) = 25596
[pid 25596] write(3, "1000", 4executing program
)         = 4
[pid 25596] close(3)                    = 0
[pid 25596] write(1, "executing program\n", 18) = 18
[pid 25596] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25596] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25596] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25596] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25596] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25596] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25596] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25596] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25596] exit_group(0)               = ?
[pid 25596] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25596, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25597 attached
, child_tidptr=0x555555f76650) = 25597
[pid 25597] set_robust_list(0x555555f76660, 24) = 0
[pid 25597] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25597] setpgid(0, 0)               = 0
[pid 25597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25597] write(3, "1000", 4)         = 4
[pid 25597] close(3)                    = 0
[pid 25597] write(1, "executing program\n", 18executing program
) = 18
[pid 25597] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25597] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25597] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25597] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25597] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25597] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25597] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25597] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25597] exit_group(0)               = ?
[pid 25597] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25597, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25598
./strace-static-x86_64: Process 25598 attached
[pid 25598] set_robust_list(0x555555f76660, 24) = 0
[pid 25598] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25598] setpgid(0, 0)               = 0
[pid 25598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25598] write(3, "1000", 4)         = 4
[pid 25598] close(3)                    = 0
[pid 25598] write(1, "executing program\n", 18executing program
) = 18
[pid 25598] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25598] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25598] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25598] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25598] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25598] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25598] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25598] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25598] exit_group(0)               = ?
[pid 25598] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25598, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25599
./strace-static-x86_64: Process 25599 attached
[pid 25599] set_robust_list(0x555555f76660, 24) = 0
[pid 25599] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25599] setpgid(0, 0)               = 0
[pid 25599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25599] write(3, "1000", 4)         = 4
[pid 25599] close(3)                    = 0
[pid 25599] write(1, "executing program\n", 18executing program
) = 18
[pid 25599] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25599] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25599] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25599] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25599] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25599] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25599] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25599] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25599] exit_group(0)               = ?
[pid 25599] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25599, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25600 attached
, child_tidptr=0x555555f76650) = 25600
[pid 25600] set_robust_list(0x555555f76660, 24) = 0
[pid 25600] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25600] setpgid(0, 0)               = 0
[pid 25600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25600] write(3, "1000", 4)         = 4
[pid 25600] close(3)                    = 0
[pid 25600] write(1, "executing program\n", 18executing program
) = 18
[pid 25600] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25600] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25600] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25600] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25600] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25600] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25600] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25600] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25600] exit_group(0)               = ?
[pid 25600] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25600, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25601 attached
, child_tidptr=0x555555f76650) = 25601
[pid 25601] set_robust_list(0x555555f76660, 24) = 0
[pid 25601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25601] setpgid(0, 0)               = 0
[pid 25601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25601] write(3, "1000", 4)         = 4
[pid 25601] close(3)                    = 0
[pid 25601] write(1, "executing program\n", 18) = 18
[pid 25601] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25601] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25601] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25601] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25601] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25601] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25601] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25601] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25601] exit_group(0)               = ?
[pid 25601] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25601, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25602 attached
, child_tidptr=0x555555f76650) = 25602
[pid 25602] set_robust_list(0x555555f76660, 24) = 0
[pid 25602] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25602] setpgid(0, 0)               = 0
[pid 25602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25602] write(3, "1000", 4)         = 4
[pid 25602] close(3)                    = 0
[pid 25602] write(1, "executing program\n", 18executing program
) = 18
[pid 25602] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25602] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25602] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25602] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25602] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25602] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25602] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25602] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25602] exit_group(0)               = ?
[pid 25602] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25602, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25603
./strace-static-x86_64: Process 25603 attached
[pid 25603] set_robust_list(0x555555f76660, 24) = 0
[pid 25603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25603] setpgid(0, 0)               = 0
[pid 25603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25603] write(3, "1000", 4)         = 4
[pid 25603] close(3)                    = 0
executing program
[pid 25603] write(1, "executing program\n", 18) = 18
[pid 25603] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25603] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25603] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25603] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25603] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25603] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25603] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25603] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25603] exit_group(0)               = ?
[pid 25603] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25603, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25604 attached
, child_tidptr=0x555555f76650) = 25604
[pid 25604] set_robust_list(0x555555f76660, 24) = 0
[pid 25604] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25604] setpgid(0, 0)               = 0
[pid 25604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25604] write(3, "1000", 4)         = 4
[pid 25604] close(3)                    = 0
[pid 25604] write(1, "executing program\n", 18executing program
) = 18
[pid 25604] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25604] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25604] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25604] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25604] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25604] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25604] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25604] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25604] exit_group(0)               = ?
[pid 25604] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25604, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25605
./strace-static-x86_64: Process 25605 attached
[pid 25605] set_robust_list(0x555555f76660, 24) = 0
[pid 25605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25605] setpgid(0, 0)               = 0
[pid 25605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25605] write(3, "1000", 4)         = 4
executing program
[pid 25605] close(3)                    = 0
[pid 25605] write(1, "executing program\n", 18) = 18
[pid 25605] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25605] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25605] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25605] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25605] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25605] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25605] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25605] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25605] exit_group(0)               = ?
[pid 25605] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25605, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25606
./strace-static-x86_64: Process 25606 attached
[pid 25606] set_robust_list(0x555555f76660, 24) = 0
[pid 25606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25606] setpgid(0, 0)               = 0
[pid 25606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25606] write(3, "1000", 4)         = 4
executing program
[pid 25606] close(3)                    = 0
[pid 25606] write(1, "executing program\n", 18) = 18
[pid 25606] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25606] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25606] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25606] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25606] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25606] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25606] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25606] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25606] exit_group(0)               = ?
[pid 25606] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25606, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25607 attached
, child_tidptr=0x555555f76650) = 25607
[pid 25607] set_robust_list(0x555555f76660, 24) = 0
[pid 25607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25607] setpgid(0, 0)               = 0
[pid 25607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25607] write(3, "1000", 4)         = 4
[pid 25607] close(3)                    = 0
executing program
[pid 25607] write(1, "executing program\n", 18) = 18
[pid 25607] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25607] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25607] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25607] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25607] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25607] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25607] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25607] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25607] exit_group(0)               = ?
[pid 25607] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25607, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25608 attached
, child_tidptr=0x555555f76650) = 25608
[pid 25608] set_robust_list(0x555555f76660, 24) = 0
[pid 25608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25608] setpgid(0, 0)               = 0
[pid 25608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25608] write(3, "1000", 4)         = 4
[pid 25608] close(3)                    = 0
executing program
[pid 25608] write(1, "executing program\n", 18) = 18
[pid 25608] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25608] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25608] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25608] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25608] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25608] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25608] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25608] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25608] exit_group(0)               = ?
[pid 25608] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25608, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25609 attached
, child_tidptr=0x555555f76650) = 25609
[pid 25609] set_robust_list(0x555555f76660, 24) = 0
[pid 25609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25609] setpgid(0, 0)               = 0
[pid 25609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25609] write(3, "1000", 4)         = 4
[pid 25609] close(3)                    = 0
[pid 25609] write(1, "executing program\n", 18executing program
) = 18
[pid 25609] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25609] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25609] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25609] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25609] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25609] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25609] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25609] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25609] exit_group(0)               = ?
[pid 25609] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25609, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25610 attached
, child_tidptr=0x555555f76650) = 25610
[pid 25610] set_robust_list(0x555555f76660, 24) = 0
[pid 25610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25610] setpgid(0, 0)               = 0
[pid 25610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25610] write(3, "1000", 4)         = 4
[pid 25610] close(3)                    = 0
[pid 25610] write(1, "executing program\n", 18executing program
) = 18
[pid 25610] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25610] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25610] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25610] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25610] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25610] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25610] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25610] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25610] exit_group(0)               = ?
[pid 25610] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25610, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25611
./strace-static-x86_64: Process 25611 attached
[pid 25611] set_robust_list(0x555555f76660, 24) = 0
[pid 25611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25611] setpgid(0, 0)               = 0
[pid 25611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25611] write(3, "1000", 4)         = 4
[pid 25611] close(3)                    = 0
[pid 25611] write(1, "executing program\n", 18executing program
) = 18
[pid 25611] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25611] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25611] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25611] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25611] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25611] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25611] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25611] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25611] exit_group(0)               = ?
[pid 25611] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25611, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25612
./strace-static-x86_64: Process 25612 attached
[pid 25612] set_robust_list(0x555555f76660, 24) = 0
[pid 25612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25612] setpgid(0, 0)               = 0
[pid 25612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25612] write(3, "1000", 4)         = 4
[pid 25612] close(3executing program
)                    = 0
[pid 25612] write(1, "executing program\n", 18) = 18
[pid 25612] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25612] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25612] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25612] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25612] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25612] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25612] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25612] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25612] exit_group(0)               = ?
[pid 25612] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25612, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25613
./strace-static-x86_64: Process 25613 attached
[pid 25613] set_robust_list(0x555555f76660, 24) = 0
[pid 25613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25613] setpgid(0, 0)               = 0
[pid 25613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25613] write(3, "1000", 4)         = 4
[pid 25613] close(3executing program
)                    = 0
[pid 25613] write(1, "executing program\n", 18) = 18
[pid 25613] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25613] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25613] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25613] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25613] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25613] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25613] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25613] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25613] exit_group(0)               = ?
[pid 25613] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25613, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25614 attached
, child_tidptr=0x555555f76650) = 25614
[pid 25614] set_robust_list(0x555555f76660, 24) = 0
[pid 25614] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25614] setpgid(0, 0)               = 0
[pid 25614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25614] write(3, "1000", 4)         = 4
[pid 25614] close(3)                    = 0
[pid 25614] write(1, "executing program\n", 18executing program
) = 18
[pid 25614] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25614] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25614] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25614] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25614] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25614] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25614] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25614] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25614] exit_group(0)               = ?
[pid 25614] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25614, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25615 attached
 <unfinished ...>
[pid 25615] set_robust_list(0x555555f76660, 24) = 0
[pid 25615] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   357] <... clone resumed>, child_tidptr=0x555555f76650) = 25615
[pid 25615] <... prctl resumed>)        = 0
[pid 25615] setpgid(0, 0)               = 0
[pid 25615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25615] write(3, "1000", 4)         = 4
[pid 25615] close(3)                    = 0
[pid 25615] write(1, "executing program\n", 18executing program
) = 18
[pid 25615] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25615] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25615] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25615] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25615] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25615] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25615] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25615] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25615] exit_group(0)               = ?
[pid 25615] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25615, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25616 attached
, child_tidptr=0x555555f76650) = 25616
[pid 25616] set_robust_list(0x555555f76660, 24) = 0
[pid 25616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25616] setpgid(0, 0)               = 0
[pid 25616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25616] write(3, "1000", 4)         = 4
[pid 25616] close(3)                    = 0
[pid 25616] write(1, "executing program\n", 18executing program
) = 18
[pid 25616] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25616] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25616] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25616] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25616] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25616] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25616] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25616] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25616] exit_group(0)               = ?
[pid 25616] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25616, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>executing program
) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25617 attached
, child_tidptr=0x555555f76650) = 25617
[pid 25617] set_robust_list(0x555555f76660, 24) = 0
[pid 25617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25617] setpgid(0, 0)               = 0
[pid 25617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25617] write(3, "1000", 4)         = 4
[pid 25617] close(3)                    = 0
[pid 25617] write(1, "executing program\n", 18) = 18
[pid 25617] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25617] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25617] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25617] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25617] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25617] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25617] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25617] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25617] exit_group(0)               = ?
[pid 25617] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25617, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25618 attached
, child_tidptr=0x555555f76650) = 25618
[pid 25618] set_robust_list(0x555555f76660, 24) = 0
[pid 25618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25618] setpgid(0, 0)               = 0
[pid 25618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25618] write(3, "1000", 4)         = 4
[pid 25618] close(3)                    = 0
[pid 25618] write(1, "executing program\n", 18executing program
) = 18
[pid 25618] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25618] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25618] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25618] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25618] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25618] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25618] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25618] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25618] exit_group(0)               = ?
[pid 25618] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25618, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25619
./strace-static-x86_64: Process 25619 attached
[pid 25619] set_robust_list(0x555555f76660, 24) = 0
[pid 25619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25619] setpgid(0, 0)               = 0
[pid 25619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25619] write(3, "1000", 4)         = 4
[pid 25619] close(3executing program
)                    = 0
[pid 25619] write(1, "executing program\n", 18) = 18
[pid 25619] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25619] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25619] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25619] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25619] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25619] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25619] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25619] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25619] exit_group(0)               = ?
[pid 25619] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25619, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25620 attached
, child_tidptr=0x555555f76650) = 25620
[pid 25620] set_robust_list(0x555555f76660, 24) = 0
[pid 25620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25620] setpgid(0, 0)               = 0
[pid 25620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25620] write(3, "1000", 4)         = 4
[pid 25620] close(3)                    = 0
[pid 25620] write(1, "executing program\n", 18) = 18
[pid 25620] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25620] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25620] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25620] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25620] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25620] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25620] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25620] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25620] exit_group(0)               = ?
[pid 25620] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25620, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25621 attached
, child_tidptr=0x555555f76650) = 25621
[pid 25621] set_robust_list(0x555555f76660, 24) = 0
[pid 25621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25621] setpgid(0, 0)               = 0
[pid 25621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25621] write(3, "1000", 4)         = 4
[pid 25621] close(3)                    = 0
[pid 25621] write(1, "executing program\n", 18executing program
) = 18
[pid 25621] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25621] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25621] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25621] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25621] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25621] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25621] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25621] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25621] exit_group(0)               = ?
[pid 25621] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25621, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25622 attached
, child_tidptr=0x555555f76650) = 25622
[pid 25622] set_robust_list(0x555555f76660, 24) = 0
[pid 25622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25622] setpgid(0, 0)               = 0
[pid 25622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25622] write(3, "1000", 4)         = 4
[pid 25622] close(3)                    = 0
[pid 25622] write(1, "executing program\n", 18executing program
) = 18
[pid 25622] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25622] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25622] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25622] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25622] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25622] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25622] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25622] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25622] exit_group(0)               = ?
[pid 25622] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25622, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25623 attached
, child_tidptr=0x555555f76650) = 25623
[pid 25623] set_robust_list(0x555555f76660, 24) = 0
[pid 25623] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25623] setpgid(0, 0)               = 0
[pid 25623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25623] write(3, "1000", 4)         = 4
[pid 25623] close(3)                    = 0
[pid 25623] write(1, "executing program\n", 18executing program
) = 18
[pid 25623] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25623] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25623] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25623] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25623] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25623] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25623] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25623] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25623] exit_group(0)               = ?
[pid 25623] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25623, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25624 attached
, child_tidptr=0x555555f76650) = 25624
[pid 25624] set_robust_list(0x555555f76660, 24) = 0
[pid 25624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25624] setpgid(0, 0)               = 0
[pid 25624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25624] write(3, "1000", 4)         = 4
[pid 25624] close(3)                    = 0
[pid 25624] write(1, "executing program\n", 18) = 18
[pid 25624] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25624] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25624] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25624] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25624] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25624] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25624] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25624] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25624] exit_group(0)               = ?
[pid 25624] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25624, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25625 attached
, child_tidptr=0x555555f76650) = 25625
[pid 25625] set_robust_list(0x555555f76660, 24) = 0
[pid 25625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25625] setpgid(0, 0)               = 0
[pid 25625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25625] write(3, "1000", 4)         = 4
[pid 25625] close(3executing program
)                    = 0
[pid 25625] write(1, "executing program\n", 18) = 18
[pid 25625] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25625] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25625] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25625] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25625] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25625] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25625] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25625] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25625] exit_group(0)               = ?
[pid 25625] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25625, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25626
./strace-static-x86_64: Process 25626 attached
[pid 25626] set_robust_list(0x555555f76660, 24) = 0
[pid 25626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25626] setpgid(0, 0)               = 0
[pid 25626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25626] write(3, "1000", 4)         = 4
[pid 25626] close(3)                    = 0
[pid 25626] write(1, "executing program\n", 18executing program
) = 18
[pid 25626] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25626] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25626] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25626] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25626] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25626] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25626] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25626] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25626] exit_group(0)               = ?
[pid 25626] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25626, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25627
./strace-static-x86_64: Process 25627 attached
[pid 25627] set_robust_list(0x555555f76660, 24) = 0
[pid 25627] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25627] setpgid(0, 0)               = 0
[pid 25627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25627] write(3, "1000", 4)         = 4
[pid 25627] close(3)                    = 0
[pid 25627] write(1, "executing program\n", 18executing program
) = 18
[pid 25627] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25627] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25627] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25627] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25627] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25627] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25627] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25627] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25627] exit_group(0)               = ?
[pid 25627] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25627, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25628 attached
, child_tidptr=0x555555f76650) = 25628
[pid 25628] set_robust_list(0x555555f76660, 24) = 0
[pid 25628] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25628] setpgid(0, 0)               = 0
[pid 25628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25628] write(3, "1000", 4)         = 4
[pid 25628] close(3)                    = 0
[pid 25628] write(1, "executing program\n", 18executing program
) = 18
[pid 25628] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25628] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25628] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25628] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25628] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25628] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25628] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25628] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25628] exit_group(0)               = ?
[pid 25628] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25628, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25629 attached
, child_tidptr=0x555555f76650) = 25629
[pid 25629] set_robust_list(0x555555f76660, 24) = 0
[pid 25629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25629] setpgid(0, 0)               = 0
[pid 25629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25629] write(3, "1000", 4)         = 4
[pid 25629] close(3)                    = 0
[pid 25629] write(1, "executing program\n", 18executing program
) = 18
[pid 25629] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25629] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25629] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25629] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25629] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25629] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25629] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25629] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25629] exit_group(0)               = ?
[pid 25629] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25629, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25630 attached
, child_tidptr=0x555555f76650) = 25630
[pid 25630] set_robust_list(0x555555f76660, 24) = 0
[pid 25630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25630] setpgid(0, 0)               = 0
[pid 25630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25630] write(3, "1000", 4)         = 4
[pid 25630] close(3)                    = 0
executing program
[pid 25630] write(1, "executing program\n", 18) = 18
[pid 25630] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25630] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25630] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25630] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25630] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25630] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25630] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25630] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25630] exit_group(0)               = ?
[pid 25630] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25630, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25631 attached
, child_tidptr=0x555555f76650) = 25631
[pid 25631] set_robust_list(0x555555f76660, 24) = 0
[pid 25631] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25631] setpgid(0, 0)               = 0
[pid 25631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25631] write(3, "1000", 4)         = 4
[pid 25631] close(3executing program
)                    = 0
[pid 25631] write(1, "executing program\n", 18) = 18
[pid 25631] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25631] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25631] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25631] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25631] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25631] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25631] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25631] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25631] exit_group(0)               = ?
[pid 25631] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25631, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25632
./strace-static-x86_64: Process 25632 attached
[pid 25632] set_robust_list(0x555555f76660, 24) = 0
[pid 25632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25632] setpgid(0, 0)               = 0
[pid 25632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25632] write(3, "1000", 4)         = 4
[pid 25632] close(3)                    = 0
executing program
[pid 25632] write(1, "executing program\n", 18) = 18
[pid 25632] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25632] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25632] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25632] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25632] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25632] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25632] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25632] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25632] exit_group(0)               = ?
[pid 25632] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25632, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25633 attached
, child_tidptr=0x555555f76650) = 25633
[pid 25633] set_robust_list(0x555555f76660, 24) = 0
[pid 25633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25633] setpgid(0, 0)               = 0
[pid 25633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25633] write(3, "1000", 4)         = 4
[pid 25633] close(3)                    = 0
[pid 25633] write(1, "executing program\n", 18executing program
) = 18
[pid 25633] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25633] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25633] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25633] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25633] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25633] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25633] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25633] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25633] exit_group(0)               = ?
[pid 25633] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25633, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25634
./strace-static-x86_64: Process 25634 attached
[pid 25634] set_robust_list(0x555555f76660, 24) = 0
[pid 25634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25634] setpgid(0, 0)               = 0
[pid 25634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25634] write(3, "1000", 4)         = 4
[pid 25634] close(3)                    = 0
executing program
[pid 25634] write(1, "executing program\n", 18) = 18
[pid 25634] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25634] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25634] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25634] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25634] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25634] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25634] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25634] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25634] exit_group(0)               = ?
[pid 25634] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25634, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25635
./strace-static-x86_64: Process 25635 attached
[pid 25635] set_robust_list(0x555555f76660, 24) = 0
[pid 25635] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25635] setpgid(0, 0)               = 0
[pid 25635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25635] write(3, "1000", 4)         = 4
executing program
[pid 25635] close(3)                    = 0
[pid 25635] write(1, "executing program\n", 18) = 18
[pid 25635] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25635] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25635] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25635] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25635] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25635] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25635] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25635] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25635] exit_group(0)               = ?
[pid 25635] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25635, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25636
./strace-static-x86_64: Process 25636 attached
[pid 25636] set_robust_list(0x555555f76660, 24) = 0
[pid 25636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25636] setpgid(0, 0)               = 0
[pid 25636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25636] write(3, "1000", 4)         = 4
[pid 25636] close(3)                    = 0
executing program
[pid 25636] write(1, "executing program\n", 18) = 18
[pid 25636] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25636] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25636] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25636] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25636] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25636] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25636] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25636] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25636] exit_group(0)               = ?
[pid 25636] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25636, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25637 attached
, child_tidptr=0x555555f76650) = 25637
[pid 25637] set_robust_list(0x555555f76660, 24) = 0
[pid 25637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25637] setpgid(0, 0)               = 0
[pid 25637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
executing program
executing program
[pid 25637] write(3, "1000", 4)         = 4
[pid 25637] close(3)                    = 0
[pid 25637] write(1, "executing program\n", 18) = 18
[pid 25637] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25637] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25637] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25637] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25637] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25637] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25637] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25637] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25637] exit_group(0)               = ?
[pid 25637] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25637, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25638
./strace-static-x86_64: Process 25638 attached
[pid 25638] set_robust_list(0x555555f76660, 24) = 0
[pid 25638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25638] setpgid(0, 0)               = 0
[pid 25638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25638] write(3, "1000", 4)         = 4
[pid 25638] close(3)                    = 0
[pid 25638] write(1, "executing program\n", 18) = 18
[pid 25638] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25638] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25638] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25638] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25638] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25638] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25638] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25638] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25638] exit_group(0)               = ?
[pid 25638] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25638, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
executing program
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25639 attached
, child_tidptr=0x555555f76650) = 25639
[pid 25639] set_robust_list(0x555555f76660, 24) = 0
[pid 25639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25639] setpgid(0, 0)               = 0
[pid 25639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25639] write(3, "1000", 4)         = 4
[pid 25639] close(3)                    = 0
[pid 25639] write(1, "executing program\n", 18) = 18
[pid 25639] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25639] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25639] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25639] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25639] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25639] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25639] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25639] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25639] exit_group(0)               = ?
[pid 25639] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25639, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25640 attached
, child_tidptr=0x555555f76650) = 25640
[pid 25640] set_robust_list(0x555555f76660, 24) = 0
[pid 25640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25640] setpgid(0, 0)               = 0
[pid 25640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25640] write(3, "1000", 4executing program
)         = 4
[pid 25640] close(3)                    = 0
[pid 25640] write(1, "executing program\n", 18) = 18
[pid 25640] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25640] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25640] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25640] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25640] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25640] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25640] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25640] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25640] exit_group(0)               = ?
[pid 25640] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25640, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25641
./strace-static-x86_64: Process 25641 attached
[pid 25641] set_robust_list(0x555555f76660, 24) = 0
[pid 25641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25641] setpgid(0, 0)               = 0
[pid 25641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25641] write(3, "1000", 4)         = 4
executing program
[pid 25641] close(3)                    = 0
[pid 25641] write(1, "executing program\n", 18) = 18
[pid 25641] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25641] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25641] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25641] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25641] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25641] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25641] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25641] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25641] exit_group(0)               = ?
[pid 25641] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25641, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25642 attached
, child_tidptr=0x555555f76650) = 25642
[pid 25642] set_robust_list(0x555555f76660, 24) = 0
[pid 25642] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25642] setpgid(0, 0)               = 0
[pid 25642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25642] write(3, "1000", 4)         = 4
[pid 25642] close(3executing program
)                    = 0
[pid 25642] write(1, "executing program\n", 18) = 18
[pid 25642] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25642] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25642] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25642] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25642] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25642] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25642] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25642] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25642] exit_group(0)               = ?
[pid 25642] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25642, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25643 attached
, child_tidptr=0x555555f76650) = 25643
[pid 25643] set_robust_list(0x555555f76660, 24) = 0
[pid 25643] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25643] setpgid(0, 0)               = 0
[pid 25643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25643] write(3, "1000", 4)         = 4
[pid 25643] close(3)                    = 0
[pid 25643] write(1, "executing program\n", 18executing program
) = 18
[pid 25643] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25643] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25643] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25643] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25643] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25643] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25643] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25643] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25643] exit_group(0)               = ?
[pid 25643] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25643, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25644
./strace-static-x86_64: Process 25644 attached
[pid 25644] set_robust_list(0x555555f76660, 24) = 0
[pid 25644] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25644] setpgid(0, 0)               = 0
[pid 25644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25644] write(3, "1000", 4)         = 4
[pid 25644] close(3executing program
)                    = 0
[pid 25644] write(1, "executing program\n", 18) = 18
[pid 25644] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25644] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25644] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25644] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25644] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25644] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25644] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25644] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25644] exit_group(0)               = ?
[pid 25644] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25644, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25645 attached
, child_tidptr=0x555555f76650) = 25645
[pid 25645] set_robust_list(0x555555f76660, 24) = 0
[pid 25645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25645] setpgid(0, 0)               = 0
[pid 25645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25645] write(3, "1000", 4)         = 4
[pid 25645] close(3)                    = 0
[pid 25645] write(1, "executing program\n", 18) = 18
[pid 25645] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25645] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25645] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25645] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25645] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25645] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25645] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25645] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25645] exit_group(0)               = ?
[pid 25645] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25645, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25646 attached
, child_tidptr=0x555555f76650) = 25646
[pid 25646] set_robust_list(0x555555f76660, 24) = 0
[pid 25646] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25646] setpgid(0, 0)               = 0
[pid 25646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
executing program
[pid 25646] write(3, "1000", 4)         = 4
[pid 25646] close(3)                    = 0
[pid 25646] write(1, "executing program\n", 18) = 18
[pid 25646] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25646] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25646] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25646] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25646] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25646] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25646] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25646] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25646] exit_group(0)               = ?
[pid 25646] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25646, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25647 attached
, child_tidptr=0x555555f76650) = 25647
[pid 25647] set_robust_list(0x555555f76660, 24) = 0
[pid 25647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25647] setpgid(0, 0)               = 0
[pid 25647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25647] write(3, "1000", 4)         = 4
[pid 25647] close(3executing program
)                    = 0
[pid 25647] write(1, "executing program\n", 18) = 18
[pid 25647] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25647] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25647] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25647] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25647] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25647] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25647] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25647] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25647] exit_group(0)               = ?
[pid 25647] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25647, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25648 attached
, child_tidptr=0x555555f76650) = 25648
[pid 25648] set_robust_list(0x555555f76660, 24) = 0
[pid 25648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25648] setpgid(0, 0)               = 0
[pid 25648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25648] write(3, "1000", 4)         = 4
[pid 25648] close(3)                    = 0
[pid 25648] write(1, "executing program\n", 18) = 18
[pid 25648] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25648] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25648] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25648] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25648] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25648] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25648] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25648] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25648] exit_group(0)               = ?
[pid 25648] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25648, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25649
./strace-static-x86_64: Process 25649 attached
[pid 25649] set_robust_list(0x555555f76660, 24) = 0
[pid 25649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25649] setpgid(0, 0)               = 0
[pid 25649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25649] write(3, "1000", 4)         = 4
[pid 25649] close(3executing program
)                    = 0
[pid 25649] write(1, "executing program\n", 18) = 18
[pid 25649] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25649] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25649] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25649] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25649] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25649] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25649] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25649] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25649] exit_group(0)               = ?
[pid 25649] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25649, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25650 attached
, child_tidptr=0x555555f76650) = 25650
[pid 25650] set_robust_list(0x555555f76660, 24) = 0
[pid 25650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25650] setpgid(0, 0)               = 0
[pid 25650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25650] write(3, "1000", 4)         = 4
[pid 25650] close(3)                    = 0
[pid 25650] write(1, "executing program\n", 18executing program
) = 18
[pid 25650] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25650] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25650] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25650] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25650] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25650] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25650] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25650] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25650] exit_group(0)               = ?
[pid 25650] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25650, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25651 attached
, child_tidptr=0x555555f76650) = 25651
[pid 25651] set_robust_list(0x555555f76660, 24) = 0
[pid 25651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25651] setpgid(0, 0)               = 0
[pid 25651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25651] write(3, "1000", 4)         = 4
[pid 25651] close(3)                    = 0
[pid 25651] write(1, "executing program\n", 18) = 18
[pid 25651] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25651] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25651] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25651] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25651] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25651] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25651] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25651] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25651] exit_group(0)               = ?
[pid 25651] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25651, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
./strace-static-x86_64: Process 25652 attached
, child_tidptr=0x555555f76650) = 25652
[pid 25652] set_robust_list(0x555555f76660, 24) = 0
[pid 25652] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25652] setpgid(0, 0)               = 0
[pid 25652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25652] write(3, "1000", 4)         = 4
[pid 25652] close(3)                    = 0
[pid 25652] write(1, "executing program\n", 18) = 18
[pid 25652] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25652] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25652] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25652] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25652] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25652] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25652] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25652] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25652] exit_group(0)               = ?
[pid 25652] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25652, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25653 attached
, child_tidptr=0x555555f76650) = 25653
[pid 25653] set_robust_list(0x555555f76660, 24) = 0
[pid 25653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25653] setpgid(0, 0)               = 0
[pid 25653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25653] write(3, "1000", 4)         = 4
[pid 25653] close(3)                    = 0
[pid 25653] write(1, "executing program\n", 18executing program
) = 18
[pid 25653] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25653] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25653] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25653] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25653] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25653] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25653] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25653] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25653] exit_group(0)               = ?
[pid 25653] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25653, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25654 attached
, child_tidptr=0x555555f76650) = 25654
[pid 25654] set_robust_list(0x555555f76660, 24) = 0
[pid 25654] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25654] setpgid(0, 0)               = 0
[pid 25654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25654] write(3, "1000", 4)         = 4
[pid 25654] close(3)                    = 0
[pid 25654] write(1, "executing program\n", 18executing program
) = 18
[pid 25654] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25654] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25654] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25654] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25654] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25654] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25654] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25654] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25654] exit_group(0)               = ?
[pid 25654] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25654, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25655
./strace-static-x86_64: Process 25655 attached
[pid 25655] set_robust_list(0x555555f76660, 24) = 0
[pid 25655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25655] setpgid(0, 0)               = 0
[pid 25655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25655] write(3, "1000", 4executing program
)         = 4
[pid 25655] close(3)                    = 0
[pid 25655] write(1, "executing program\n", 18) = 18
[pid 25655] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25655] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25655] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25655] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25655] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25655] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25655] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25655] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25655] exit_group(0)               = ?
[pid 25655] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25655, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25656 attached
, child_tidptr=0x555555f76650) = 25656
[pid 25656] set_robust_list(0x555555f76660, 24) = 0
[pid 25656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25656] setpgid(0, 0)               = 0
[pid 25656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25656] write(3, "1000", 4)         = 4
[pid 25656] close(3)                    = 0
[pid 25656] write(1, "executing program\n", 18) = 18
[pid 25656] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25656] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25656] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25656] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25656] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25656] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25656] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25656] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25656] exit_group(0)               = ?
[pid 25656] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25656, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25657 attached
, child_tidptr=0x555555f76650) = 25657
[pid 25657] set_robust_list(0x555555f76660, 24) = 0
[pid 25657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25657] setpgid(0, 0)               = 0
[pid 25657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25657] write(3, "1000", 4)         = 4
[pid 25657] close(3)                    = 0
[pid 25657] write(1, "executing program\n", 18executing program
) = 18
[pid 25657] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25657] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25657] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25657] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25657] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25657] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25657] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25657] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25657] exit_group(0)               = ?
[pid 25657] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25657, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25658 attached
, child_tidptr=0x555555f76650) = 25658
[pid 25658] set_robust_list(0x555555f76660, 24) = 0
[pid 25658] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25658] setpgid(0, 0)               = 0
[pid 25658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25658] write(3, "1000", 4)         = 4
[pid 25658] close(3)                    = 0
executing program
[pid 25658] write(1, "executing program\n", 18) = 18
[pid 25658] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25658] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25658] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25658] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25658] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25658] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25658] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25658] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25658] exit_group(0)               = ?
[pid 25658] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25658, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25659
./strace-static-x86_64: Process 25659 attached
[pid 25659] set_robust_list(0x555555f76660, 24) = 0
[pid 25659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25659] setpgid(0, 0)               = 0
[pid 25659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25659] write(3, "1000", 4)         = 4
[pid 25659] close(3)                    = 0
[pid 25659] write(1, "executing program\n", 18executing program
) = 18
[pid 25659] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25659] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25659] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25659] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25659] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25659] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25659] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25659] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25659] exit_group(0)               = ?
[pid 25659] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25659, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25660 attached
, child_tidptr=0x555555f76650) = 25660
[pid 25660] set_robust_list(0x555555f76660, 24) = 0
[pid 25660] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25660] setpgid(0, 0)               = 0
[pid 25660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25660] write(3, "1000", 4)         = 4
[pid 25660] close(3)                    = 0
[pid 25660] write(1, "executing program\n", 18executing program
) = 18
[pid 25660] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25660] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25660] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25660] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25660] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25660] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25660] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25660] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25660] exit_group(0)               = ?
[pid 25660] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25660, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25661 attached
, child_tidptr=0x555555f76650) = 25661
[pid 25661] set_robust_list(0x555555f76660, 24) = 0
[pid 25661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25661] setpgid(0, 0)               = 0
[pid 25661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25661] write(3, "1000", 4)         = 4
[pid 25661] close(3)                    = 0
[pid 25661] write(1, "executing program\n", 18executing program
) = 18
[pid 25661] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25661] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25661] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25661] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25661] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25661] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25661] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25661] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25661] exit_group(0)               = ?
[pid 25661] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25661, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25662 attached
, child_tidptr=0x555555f76650) = 25662
[pid 25662] set_robust_list(0x555555f76660, 24) = 0
[pid 25662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25662] setpgid(0, 0)               = 0
[pid 25662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25662] write(3, "1000", 4)         = 4
[pid 25662] close(3)                    = 0
[pid 25662] write(1, "executing program\n", 18executing program
) = 18
[pid 25662] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25662] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25662] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25662] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25662] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25662] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25662] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25662] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25662] exit_group(0)               = ?
[pid 25662] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25662, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25663
./strace-static-x86_64: Process 25663 attached
[pid 25663] set_robust_list(0x555555f76660, 24) = 0
[pid 25663] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25663] setpgid(0, 0)               = 0
[pid 25663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25663] write(3, "1000", 4)         = 4
[pid 25663] close(3)                    = 0
executing program
[pid 25663] write(1, "executing program\n", 18) = 18
[pid 25663] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25663] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25663] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25663] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25663] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25663] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25663] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25663] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25663] exit_group(0)               = ?
[pid 25663] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25663, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25665 attached
, child_tidptr=0x555555f76650) = 25665
[pid 25665] set_robust_list(0x555555f76660, 24) = 0
[pid 25665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25665] setpgid(0, 0)               = 0
[pid 25665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25665] write(3, "1000", 4)         = 4
[pid 25665] close(3)                    = 0
[pid 25665] write(1, "executing program\n", 18executing program
) = 18
[pid 25665] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25665] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25665] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25665] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25665] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25665] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25665] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25665] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25665] exit_group(0)               = ?
[pid 25665] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25665, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25666 attached
, child_tidptr=0x555555f76650) = 25666
[pid 25666] set_robust_list(0x555555f76660, 24) = 0
[pid 25666] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25666] setpgid(0, 0)               = 0
[pid 25666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25666] write(3, "1000", 4)         = 4
[pid 25666] close(3)                    = 0
executing program
[pid 25666] write(1, "executing program\n", 18) = 18
[pid 25666] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25666] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25666] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25666] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25666] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25666] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25666] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25666] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25666] exit_group(0)               = ?
[pid 25666] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25666, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25667
./strace-static-x86_64: Process 25667 attached
[pid 25667] set_robust_list(0x555555f76660, 24) = 0
[pid 25667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25667] setpgid(0, 0)               = 0
[pid 25667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25667] write(3, "1000", 4)         = 4
[pid 25667] close(3executing program
)                    = 0
[pid 25667] write(1, "executing program\n", 18) = 18
[pid 25667] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25667] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25667] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25667] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25667] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25667] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25667] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25667] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25667] exit_group(0)               = ?
[pid 25667] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25667, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25668 attached
, child_tidptr=0x555555f76650) = 25668
[pid 25668] set_robust_list(0x555555f76660, 24) = 0
[pid 25668] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25668] setpgid(0, 0)               = 0
[pid 25668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25668] write(3, "1000", 4)         = 4
[pid 25668] close(3)                    = 0
executing program
[pid 25668] write(1, "executing program\n", 18) = 18
[pid 25668] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25668] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25668] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25668] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25668] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25668] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25668] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25668] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25668] exit_group(0)               = ?
[pid 25668] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25668, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
./strace-static-x86_64: Process 25669 attached
, child_tidptr=0x555555f76650) = 25669
[pid 25669] set_robust_list(0x555555f76660, 24) = 0
[pid 25669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25669] setpgid(0, 0)               = 0
[pid 25669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25669] write(3, "1000", 4)         = 4
[pid 25669] close(3)                    = 0
[pid 25669] write(1, "executing program\n", 18) = 18
[pid 25669] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25669] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25669] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25669] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25669] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25669] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25669] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25669] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25669] exit_group(0)               = ?
[pid 25669] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25669, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25670 attached
, child_tidptr=0x555555f76650) = 25670
[pid 25670] set_robust_list(0x555555f76660, 24) = 0
[pid 25670] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25670] setpgid(0, 0)               = 0
[pid 25670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25670] write(3, "1000", 4executing program
)         = 4
[pid 25670] close(3)                    = 0
[pid 25670] write(1, "executing program\n", 18) = 18
[pid 25670] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25670] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25670] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25670] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25670] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25670] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25670] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25670] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25670] exit_group(0)               = ?
[pid 25670] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25670, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25671 attached
, child_tidptr=0x555555f76650) = 25671
[pid 25671] set_robust_list(0x555555f76660, 24) = 0
[pid 25671] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25671] setpgid(0, 0)               = 0
[pid 25671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25671] write(3, "1000", 4)         = 4
[pid 25671] close(3executing program
)                    = 0
[pid 25671] write(1, "executing program\n", 18) = 18
[pid 25671] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25671] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25671] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25671] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25671] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25671] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25671] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25671] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25671] exit_group(0)               = ?
[pid 25671] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25671, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25672 attached
, child_tidptr=0x555555f76650) = 25672
[pid 25672] set_robust_list(0x555555f76660, 24) = 0
[pid 25672] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25672] setpgid(0, 0)               = 0
[pid 25672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25672] write(3, "1000", 4)         = 4
[pid 25672] close(3)                    = 0
[pid 25672] write(1, "executing program\n", 18executing program
) = 18
[pid 25672] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25672] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25672] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25672] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25672] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25672] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25672] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25672] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25672] exit_group(0)               = ?
[pid 25672] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25672, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25673
./strace-static-x86_64: Process 25673 attached
[pid 25673] set_robust_list(0x555555f76660, 24) = 0
[pid 25673] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25673] setpgid(0, 0)               = 0
[pid 25673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25673] write(3, "1000", 4)         = 4
[pid 25673] close(3)                    = 0
[pid 25673] write(1, "executing program\n", 18executing program
) = 18
[pid 25673] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25673] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25673] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25673] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25673] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25673] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25673] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25673] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25673] exit_group(0)               = ?
[pid 25673] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25673, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25674 attached
, child_tidptr=0x555555f76650) = 25674
[pid 25674] set_robust_list(0x555555f76660, 24) = 0
[pid 25674] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25674] setpgid(0, 0)               = 0
[pid 25674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25674] write(3, "1000", 4)         = 4
[pid 25674] close(3)                    = 0
[pid 25674] write(1, "executing program\n", 18) = 18
[pid 25674] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25674] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25674] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25674] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25674] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25674] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25674] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25674] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25674] exit_group(0)               = ?
[pid 25674] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25674, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25675
./strace-static-x86_64: Process 25675 attached
[pid 25675] set_robust_list(0x555555f76660, 24) = 0
[pid 25675] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25675] setpgid(0, 0)               = 0
[pid 25675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25675] write(3, "1000", 4)         = 4
[pid 25675] close(3)                    = 0
[pid 25675] write(1, "executing program\n", 18executing program
) = 18
[pid 25675] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25675] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25675] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25675] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25675] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25675] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25675] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25675] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25675] exit_group(0)               = ?
[pid 25675] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25675, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25676 attached
, child_tidptr=0x555555f76650) = 25676
[pid 25676] set_robust_list(0x555555f76660, 24) = 0
[pid 25676] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25676] setpgid(0, 0)               = 0
[pid 25676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25676] write(3, "1000", 4)         = 4
[pid 25676] close(3)                    = 0
[pid 25676] write(1, "executing program\n", 18executing program
) = 18
[pid 25676] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25676] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25676] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25676] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25676] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25676] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25676] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25676] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25676] exit_group(0)               = ?
[pid 25676] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25676, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25677
./strace-static-x86_64: Process 25677 attached
[pid 25677] set_robust_list(0x555555f76660, 24) = 0
[pid 25677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25677] setpgid(0, 0)               = 0
[pid 25677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25677] write(3, "1000", 4)         = 4
[pid 25677] close(3)                    = 0
[pid 25677] write(1, "executing program\n", 18executing program
) = 18
[pid 25677] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25677] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25677] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25677] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25677] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25677] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25677] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25677] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25677] exit_group(0)               = ?
[pid 25677] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25677, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25678 attached
, child_tidptr=0x555555f76650) = 25678
[pid 25678] set_robust_list(0x555555f76660, 24) = 0
[pid 25678] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25678] setpgid(0, 0)               = 0
[pid 25678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25678] write(3, "1000", 4executing program
)         = 4
[pid 25678] close(3)                    = 0
[pid 25678] write(1, "executing program\n", 18) = 18
[pid 25678] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25678] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25678] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25678] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25678] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25678] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25678] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25678] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25678] exit_group(0)               = ?
[pid 25678] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25678, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25679
./strace-static-x86_64: Process 25679 attached
[pid 25679] set_robust_list(0x555555f76660, 24) = 0
[pid 25679] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25679] setpgid(0, 0)               = 0
[pid 25679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25679] write(3, "1000", 4)         = 4
[pid 25679] close(3executing program
)                    = 0
[pid 25679] write(1, "executing program\n", 18) = 18
[pid 25679] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25679] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25679] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25679] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25679] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25679] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25679] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25679] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25679] exit_group(0)               = ?
[pid 25679] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25679, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25680 attached
, child_tidptr=0x555555f76650) = 25680
[pid 25680] set_robust_list(0x555555f76660, 24) = 0
[pid 25680] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25680] setpgid(0, 0)               = 0
[pid 25680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25680] write(3, "1000", 4)         = 4
[pid 25680] close(3)                    = 0
[pid 25680] write(1, "executing program\n", 18) = 18
[pid 25680] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25680] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25680] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25680] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25680] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25680] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25680] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25680] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25680] exit_group(0)               = ?
[pid 25680] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25680, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25681 attached
, child_tidptr=0x555555f76650) = 25681
[pid 25681] set_robust_list(0x555555f76660, 24) = 0
[pid 25681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25681] setpgid(0, 0)               = 0
[pid 25681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25681] write(3, "1000", 4)         = 4
[pid 25681] close(3)                    = 0
[pid 25681] write(1, "executing program\n", 18executing program
) = 18
[pid 25681] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25681] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25681] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25681] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25681] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25681] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25681] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25681] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25681] exit_group(0)               = ?
[pid 25681] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25681, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25682 attached
, child_tidptr=0x555555f76650) = 25682
[pid 25682] set_robust_list(0x555555f76660, 24) = 0
[pid 25682] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25682] setpgid(0, 0)               = 0
[pid 25682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25682] write(3, "1000", 4)         = 4
[pid 25682] close(3)                    = 0
executing program
[pid 25682] write(1, "executing program\n", 18) = 18
[pid 25682] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25682] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25682] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25682] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25682] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25682] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25682] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25682] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25682] exit_group(0)               = ?
[pid 25682] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25682, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25683 attached
, child_tidptr=0x555555f76650) = 25683
[pid 25683] set_robust_list(0x555555f76660, 24) = 0
[pid 25683] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25683] setpgid(0, 0)               = 0
[pid 25683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25683] write(3, "1000", 4)         = 4
[pid 25683] close(3)                    = 0
executing program
[pid 25683] write(1, "executing program\n", 18) = 18
[pid 25683] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25683] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25683] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25683] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25683] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25683] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25683] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25683] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25683] exit_group(0)               = ?
[pid 25683] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25683, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25684 attached
, child_tidptr=0x555555f76650) = 25684
[pid 25684] set_robust_list(0x555555f76660, 24) = 0
[pid 25684] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25684] setpgid(0, 0)               = 0
[pid 25684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25684] write(3, "1000", 4)         = 4
executing program
[pid 25684] close(3)                    = 0
[pid 25684] write(1, "executing program\n", 18) = 18
[pid 25684] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25684] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25684] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25684] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25684] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25684] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25684] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25684] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25684] exit_group(0)               = ?
[pid 25684] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25684, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25685 attached
, child_tidptr=0x555555f76650) = 25685
[pid 25685] set_robust_list(0x555555f76660, 24) = 0
[pid 25685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25685] setpgid(0, 0)               = 0
[pid 25685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25685] write(3, "1000", 4)         = 4
[pid 25685] close(3executing program
)                    = 0
[pid 25685] write(1, "executing program\n", 18) = 18
[pid 25685] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25685] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25685] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25685] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25685] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25685] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25685] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25685] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25685] exit_group(0)               = ?
[pid 25685] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25685, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25686
./strace-static-x86_64: Process 25686 attached
[pid 25686] set_robust_list(0x555555f76660, 24) = 0
[pid 25686] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25686] setpgid(0, 0)               = 0
[pid 25686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25686] write(3, "1000", 4)         = 4
[pid 25686] close(3)                    = 0
[pid 25686] write(1, "executing program\n", 18executing program
) = 18
[pid 25686] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25686] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25686] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25686] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25686] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25686] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25686] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25686] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25686] exit_group(0)               = ?
[pid 25686] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25686, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25687 attached
, child_tidptr=0x555555f76650) = 25687
[pid 25687] set_robust_list(0x555555f76660, 24) = 0
[pid 25687] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25687] setpgid(0, 0)               = 0
[pid 25687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25687] write(3, "1000", 4)         = 4
[pid 25687] close(3)                    = 0
[pid 25687] write(1, "executing program\n", 18executing program
) = 18
[pid 25687] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25687] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25687] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25687] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25687] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25687] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25687] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25687] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25687] exit_group(0)               = ?
[pid 25687] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25687, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25688 attached
, child_tidptr=0x555555f76650) = 25688
[pid 25688] set_robust_list(0x555555f76660, 24) = 0
[pid 25688] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25688] setpgid(0, 0)               = 0
[pid 25688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25688] write(3, "1000", 4)         = 4
[pid 25688] close(3)                    = 0
executing program
[pid 25688] write(1, "executing program\n", 18) = 18
[pid 25688] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25688] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25688] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25688] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25688] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25688] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25688] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25688] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25688] exit_group(0)               = ?
[pid 25688] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25688, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25689
./strace-static-x86_64: Process 25689 attached
[pid 25689] set_robust_list(0x555555f76660, 24) = 0
[pid 25689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25689] setpgid(0, 0)               = 0
[pid 25689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25689] write(3, "1000", 4)         = 4
executing program
[pid 25689] close(3)                    = 0
[pid 25689] write(1, "executing program\n", 18) = 18
[pid 25689] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25689] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25689] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25689] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25689] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25689] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25689] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25689] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25689] exit_group(0)               = ?
[pid 25689] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25689, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25690 attached
, child_tidptr=0x555555f76650) = 25690
[pid 25690] set_robust_list(0x555555f76660, 24) = 0
[pid 25690] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25690] setpgid(0, 0)               = 0
[pid 25690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25690] write(3, "1000", 4)         = 4
[pid 25690] close(3executing program
)                    = 0
[pid 25690] write(1, "executing program\n", 18) = 18
[pid 25690] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25690] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25690] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25690] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25690] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25690] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25690] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25690] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25690] exit_group(0)               = ?
[pid 25690] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25690, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25691 attached
, child_tidptr=0x555555f76650) = 25691
[pid 25691] set_robust_list(0x555555f76660, 24) = 0
[pid 25691] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25691] setpgid(0, 0)               = 0
[pid 25691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25691] write(3, "1000", 4)         = 4
[pid 25691] close(3)                    = 0
executing program
[pid 25691] write(1, "executing program\n", 18) = 18
[pid 25691] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25691] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25691] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25691] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25691] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25691] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25691] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25691] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25691] exit_group(0)               = ?
[pid 25691] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25691, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25692 attached
, child_tidptr=0x555555f76650) = 25692
[pid 25692] set_robust_list(0x555555f76660, 24) = 0
[pid 25692] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25692] setpgid(0, 0)               = 0
[pid 25692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25692] write(3, "1000", 4)         = 4
[pid 25692] close(3)                    = 0
[pid 25692] write(1, "executing program\n", 18executing program
) = 18
[pid 25692] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25692] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25692] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25692] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25692] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25692] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25692] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25692] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25692] exit_group(0)               = ?
[pid 25692] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25692, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25693 attached
, child_tidptr=0x555555f76650) = 25693
[pid 25693] set_robust_list(0x555555f76660, 24) = 0
[pid 25693] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25693] setpgid(0, 0)               = 0
[pid 25693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25693] write(3, "1000", 4)         = 4
[pid 25693] close(3)                    = 0
executing program
[pid 25693] write(1, "executing program\n", 18) = 18
[pid 25693] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25693] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25693] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25693] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25693] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25693] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25693] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25693] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25693] exit_group(0)               = ?
[pid 25693] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25693, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25694
./strace-static-x86_64: Process 25694 attached
[pid 25694] set_robust_list(0x555555f76660, 24) = 0
[pid 25694] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25694] setpgid(0, 0)               = 0
[pid 25694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25694] write(3, "1000", 4)         = 4
[pid 25694] close(3)                    = 0
[pid 25694] write(1, "executing program\n", 18executing program
) = 18
[pid 25694] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25694] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25694] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25694] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25694] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25694] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25694] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25694] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25694] exit_group(0)               = ?
[pid 25694] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25694, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25695 attached
, child_tidptr=0x555555f76650) = 25695
[pid 25695] set_robust_list(0x555555f76660, 24) = 0
[pid 25695] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25695] setpgid(0, 0)               = 0
[pid 25695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25695] write(3, "1000", 4)         = 4
[pid 25695] close(3)                    = 0
[pid 25695] write(1, "executing program\n", 18executing program
) = 18
[pid 25695] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25695] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25695] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25695] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25695] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25695] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25695] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25695] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25695] exit_group(0)               = ?
[pid 25695] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25695, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25696 attached
, child_tidptr=0x555555f76650) = 25696
[pid 25696] set_robust_list(0x555555f76660, 24) = 0
[pid 25696] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25696] setpgid(0, 0)               = 0
[pid 25696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25696] write(3, "1000", 4)         = 4
[pid 25696] close(3)                    = 0
[pid 25696] write(1, "executing program\n", 18executing program
) = 18
[pid 25696] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25696] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25696] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25696] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25696] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25696] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25696] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25696] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25696] exit_group(0)               = ?
[pid 25696] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25696, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25697 attached
, child_tidptr=0x555555f76650) = 25697
[pid 25697] set_robust_list(0x555555f76660, 24) = 0
[pid 25697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25697] setpgid(0, 0)               = 0
[pid 25697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25697] write(3, "1000", 4)         = 4
[pid 25697] close(3)                    = 0
[pid 25697] write(1, "executing program\n", 18executing program
) = 18
[pid 25697] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25697] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25697] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25697] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25697] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25697] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25697] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25697] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25697] exit_group(0)               = ?
[pid 25697] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25697, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25698
./strace-static-x86_64: Process 25698 attached
[pid 25698] set_robust_list(0x555555f76660, 24) = 0
[pid 25698] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25698] setpgid(0, 0)               = 0
[pid 25698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25698] write(3, "1000", 4)         = 4
executing program
[pid 25698] close(3)                    = 0
[pid 25698] write(1, "executing program\n", 18) = 18
[pid 25698] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25698] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25698] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25698] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25698] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25698] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25698] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25698] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25698] exit_group(0)               = ?
[pid 25698] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25698, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25699 attached
, child_tidptr=0x555555f76650) = 25699
[pid 25699] set_robust_list(0x555555f76660, 24) = 0
[pid 25699] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25699] setpgid(0, 0)               = 0
[pid 25699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25699] write(3, "1000", 4)         = 4
[pid 25699] close(3executing program
)                    = 0
[pid 25699] write(1, "executing program\n", 18) = 18
[pid 25699] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25699] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25699] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25699] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25699] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25699] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25699] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25699] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25699] exit_group(0)               = ?
[pid 25699] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25699, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25700 attached
, child_tidptr=0x555555f76650) = 25700
[pid 25700] set_robust_list(0x555555f76660, 24) = 0
[pid 25700] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25700] setpgid(0, 0)               = 0
[pid 25700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25700] write(3, "1000", 4)         = 4
[pid 25700] close(3)                    = 0
[pid 25700] write(1, "executing program\n", 18executing program
) = 18
[pid 25700] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25700] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25700] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25700] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25700] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25700] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25700] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25700] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25700] exit_group(0)               = ?
[pid 25700] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25700, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25701
./strace-static-x86_64: Process 25701 attached
[pid 25701] set_robust_list(0x555555f76660, 24) = 0
[pid 25701] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25701] setpgid(0, 0)               = 0
[pid 25701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25701] write(3, "1000", 4)         = 4
[pid 25701] close(3executing program
)                    = 0
[pid 25701] write(1, "executing program\n", 18) = 18
[pid 25701] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25701] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25701] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25701] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25701] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25701] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25701] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25701] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25701] exit_group(0)               = ?
[pid 25701] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25701, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25702 attached
, child_tidptr=0x555555f76650) = 25702
[pid 25702] set_robust_list(0x555555f76660, 24) = 0
[pid 25702] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25702] setpgid(0, 0)               = 0
[pid 25702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25702] write(3, "1000", 4)         = 4
[pid 25702] close(3executing program
)                    = 0
[pid 25702] write(1, "executing program\n", 18) = 18
[pid 25702] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25702] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25702] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25702] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25702] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25702] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25702] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25702] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25702] exit_group(0)               = ?
[pid 25702] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25702, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25703
./strace-static-x86_64: Process 25703 attached
[pid 25703] set_robust_list(0x555555f76660, 24) = 0
[pid 25703] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25703] setpgid(0, 0)               = 0
[pid 25703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25703] write(3, "1000", 4)         = 4
[pid 25703] close(3)                    = 0
[pid 25703] write(1, "executing program\n", 18executing program
) = 18
[pid 25703] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25703] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25703] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25703] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25703] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25703] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25703] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25703] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25703] exit_group(0)               = ?
[pid 25703] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25703, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25704 attached
, child_tidptr=0x555555f76650) = 25704
[pid 25704] set_robust_list(0x555555f76660, 24) = 0
[pid 25704] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25704] setpgid(0, 0)               = 0
[pid 25704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25704] write(3, "1000", 4)         = 4
[pid 25704] close(3)                    = 0
[pid 25704] write(1, "executing program\n", 18executing program
) = 18
[pid 25704] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25704] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25704] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25704] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25704] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25704] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25704] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25704] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25704] exit_group(0)               = ?
[pid 25704] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25704, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25705 attached
, child_tidptr=0x555555f76650) = 25705
[pid 25705] set_robust_list(0x555555f76660, 24) = 0
[pid 25705] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25705] setpgid(0, 0)               = 0
[pid 25705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25705] write(3, "1000", 4)         = 4
[pid 25705] close(3)                    = 0
[pid 25705] write(1, "executing program\n", 18) = 18
[pid 25705] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25705] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25705] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25705] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25705] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25705] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25705] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25705] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25705] exit_group(0)               = ?
[pid 25705] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25705, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25706
./strace-static-x86_64: Process 25706 attached
[pid 25706] set_robust_list(0x555555f76660, 24) = 0
[pid 25706] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25706] setpgid(0, 0)               = 0
[pid 25706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25706] write(3, "1000", 4)         = 4
[pid 25706] close(3)                    = 0
[pid 25706] write(1, "executing program\n", 18executing program
) = 18
[pid 25706] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25706] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25706] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25706] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25706] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25706] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25706] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25706] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25706] exit_group(0)               = ?
[pid 25706] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25706, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25707
./strace-static-x86_64: Process 25707 attached
[pid 25707] set_robust_list(0x555555f76660, 24) = 0
[pid 25707] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25707] setpgid(0, 0)               = 0
[pid 25707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25707] write(3, "1000", 4)         = 4
[pid 25707] close(3)                    = 0
executing program
[pid 25707] write(1, "executing program\n", 18) = 18
[pid 25707] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25707] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25707] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25707] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25707] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25707] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25707] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25707] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25707] exit_group(0)               = ?
[pid 25707] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25707, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25708
./strace-static-x86_64: Process 25708 attached
[pid 25708] set_robust_list(0x555555f76660, 24) = 0
[pid 25708] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25708] setpgid(0, 0)               = 0
[pid 25708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25708] write(3, "1000", 4)         = 4
[pid 25708] close(3executing program
)                    = 0
[pid 25708] write(1, "executing program\n", 18) = 18
[pid 25708] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25708] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25708] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25708] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25708] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25708] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25708] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25708] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25708] exit_group(0)               = ?
[pid 25708] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25708, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25709 attached
, child_tidptr=0x555555f76650) = 25709
[pid 25709] set_robust_list(0x555555f76660, 24) = 0
[pid 25709] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25709] setpgid(0, 0)               = 0
[pid 25709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25709] write(3, "1000", 4)         = 4
[pid 25709] close(3)                    = 0
[pid 25709] write(1, "executing program\n", 18executing program
) = 18
[pid 25709] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25709] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25709] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25709] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25709] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25709] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25709] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25709] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25709] exit_group(0)               = ?
[pid 25709] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25709, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25710
./strace-static-x86_64: Process 25710 attached
[pid 25710] set_robust_list(0x555555f76660, 24) = 0
[pid 25710] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25710] setpgid(0, 0)               = 0
[pid 25710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25710] write(3, "1000", 4)         = 4
[pid 25710] close(3)                    = 0
[pid 25710] write(1, "executing program\n", 18executing program
) = 18
[pid 25710] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25710] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25710] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25710] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25710] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25710] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25710] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25710] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25710] exit_group(0)               = ?
[pid 25710] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25710, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25711
./strace-static-x86_64: Process 25711 attached
[pid 25711] set_robust_list(0x555555f76660, 24) = 0
[pid 25711] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25711] setpgid(0, 0)               = 0
[pid 25711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25711] write(3, "1000", 4)         = 4
[pid 25711] close(3executing program
)                    = 0
[pid 25711] write(1, "executing program\n", 18) = 18
[pid 25711] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25711] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25711] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25711] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25711] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25711] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25711] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25711] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25711] exit_group(0)               = ?
[pid 25711] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25711, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25712 attached
, child_tidptr=0x555555f76650) = 25712
[pid 25712] set_robust_list(0x555555f76660, 24) = 0
[pid 25712] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25712] setpgid(0, 0)               = 0
[pid 25712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25712] write(3, "1000", 4)         = 4
executing program
[pid 25712] close(3)                    = 0
[pid 25712] write(1, "executing program\n", 18) = 18
[pid 25712] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25712] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25712] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25712] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25712] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25712] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25712] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25712] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25712] exit_group(0)               = ?
[pid 25712] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25712, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25713 attached
, child_tidptr=0x555555f76650) = 25713
[pid 25713] set_robust_list(0x555555f76660, 24) = 0
[pid 25713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25713] setpgid(0, 0)               = 0
[pid 25713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25713] write(3, "1000", 4)         = 4
[pid 25713] close(3)                    = 0
executing program
[pid 25713] write(1, "executing program\n", 18) = 18
[pid 25713] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25713] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25713] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25713] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25713] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25713] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25713] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25713] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25713] exit_group(0)               = ?
[pid 25713] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25713, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25714
./strace-static-x86_64: Process 25714 attached
[pid 25714] set_robust_list(0x555555f76660, 24) = 0
[pid 25714] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25714] setpgid(0, 0)               = 0
[pid 25714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25714] write(3, "1000", 4)         = 4
[pid 25714] close(3)                    = 0
[pid 25714] write(1, "executing program\n", 18executing program
) = 18
[pid 25714] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25714] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25714] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25714] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25714] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25714] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25714] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25714] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25714] exit_group(0)               = ?
[pid 25714] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25714, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25715
./strace-static-x86_64: Process 25715 attached
[pid 25715] set_robust_list(0x555555f76660, 24) = 0
[pid 25715] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25715] setpgid(0, 0)               = 0
[pid 25715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25715] write(3, "1000", 4)         = 4
[pid 25715] close(3)                    = 0
[pid 25715] write(1, "executing program\n", 18executing program
) = 18
[pid 25715] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25715] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25715] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25715] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25715] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25715] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25715] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25715] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25715] exit_group(0)               = ?
[pid 25715] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25715, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25716 attached
, child_tidptr=0x555555f76650) = 25716
[pid 25716] set_robust_list(0x555555f76660, 24) = 0
[pid 25716] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25716] setpgid(0, 0)               = 0
[pid 25716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25716] write(3, "1000", 4)         = 4
[pid 25716] close(3)                    = 0
executing program
[pid 25716] write(1, "executing program\n", 18) = 18
[pid 25716] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25716] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25716] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25716] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25716] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25716] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25716] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25716] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25716] exit_group(0)               = ?
[pid 25716] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25716, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25717 attached
, child_tidptr=0x555555f76650) = 25717
[pid 25717] set_robust_list(0x555555f76660, 24) = 0
[pid 25717] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25717] setpgid(0, 0)               = 0
[pid 25717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25717] write(3, "1000", 4)         = 4
[pid 25717] close(3executing program
)                    = 0
[pid 25717] write(1, "executing program\n", 18) = 18
[pid 25717] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25717] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25717] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25717] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25717] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25717] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25717] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25717] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25717] exit_group(0)               = ?
[pid 25717] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25717, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25718
./strace-static-x86_64: Process 25718 attached
[pid 25718] set_robust_list(0x555555f76660, 24) = 0
[pid 25718] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25718] setpgid(0, 0)               = 0
executing program
[pid 25718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25718] write(3, "1000", 4)         = 4
[pid 25718] close(3)                    = 0
[pid 25718] write(1, "executing program\n", 18) = 18
[pid 25718] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25718] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25718] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25718] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25718] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25718] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25718] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25718] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25718] exit_group(0)               = ?
[pid 25718] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25718, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25719 attached
, child_tidptr=0x555555f76650) = 25719
[pid 25719] set_robust_list(0x555555f76660, 24) = 0
[pid 25719] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25719] setpgid(0, 0)               = 0
[pid 25719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25719] write(3, "1000", 4)         = 4
[pid 25719] close(3)                    = 0
[pid 25719] write(1, "executing program\n", 18executing program
) = 18
[pid 25719] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25719] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25719] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25719] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25719] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25719] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25719] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25719] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25719] exit_group(0)               = ?
[pid 25719] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25719, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25720
./strace-static-x86_64: Process 25720 attached
[pid 25720] set_robust_list(0x555555f76660, 24) = 0
[pid 25720] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25720] setpgid(0, 0)               = 0
[pid 25720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25720] write(3, "1000", 4)         = 4
[pid 25720] close(3)                    = 0
executing program
[pid 25720] write(1, "executing program\n", 18) = 18
[pid 25720] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25720] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25720] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25720] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25720] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25720] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25720] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25720] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25720] exit_group(0)               = ?
[pid 25720] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25720, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25721 attached
, child_tidptr=0x555555f76650) = 25721
[pid 25721] set_robust_list(0x555555f76660, 24) = 0
[pid 25721] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25721] setpgid(0, 0)               = 0
[pid 25721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25721] write(3, "1000", 4executing program
)         = 4
[pid 25721] close(3)                    = 0
[pid 25721] write(1, "executing program\n", 18) = 18
[pid 25721] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25721] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25721] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25721] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25721] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25721] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25721] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25721] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25721] exit_group(0)               = ?
[pid 25721] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25721, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25722 attached
, child_tidptr=0x555555f76650) = 25722
[pid 25722] set_robust_list(0x555555f76660, 24) = 0
[pid 25722] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25722] setpgid(0, 0)               = 0
[pid 25722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25722] write(3, "1000", 4)         = 4
[pid 25722] close(3)                    = 0
[pid 25722] write(1, "executing program\n", 18executing program
) = 18
[pid 25722] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25722] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25722] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25722] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25722] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25722] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25722] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25722] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25722] exit_group(0)               = ?
[pid 25722] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25722, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25723
./strace-static-x86_64: Process 25723 attached
[pid 25723] set_robust_list(0x555555f76660, 24) = 0
[pid 25723] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25723] setpgid(0, 0)               = 0
[pid 25723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25723] write(3, "1000", 4)         = 4
[pid 25723] close(3)                    = 0
[pid 25723] write(1, "executing program\n", 18executing program
) = 18
[pid 25723] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25723] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25723] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25723] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25723] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25723] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25723] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25723] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25723] exit_group(0)               = ?
[pid 25723] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25723, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25724
./strace-static-x86_64: Process 25724 attached
[pid 25724] set_robust_list(0x555555f76660, 24) = 0
[pid 25724] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25724] setpgid(0, 0)               = 0
[pid 25724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25724] write(3, "1000", 4)         = 4
[pid 25724] close(3)                    = 0
[pid 25724] write(1, "executing program\n", 18executing program
) = 18
[pid 25724] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25724] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25724] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25724] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25724] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25724] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25724] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25724] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25724] exit_group(0)               = ?
[pid 25724] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25724, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25725
./strace-static-x86_64: Process 25725 attached
[pid 25725] set_robust_list(0x555555f76660, 24) = 0
[pid 25725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25725] setpgid(0, 0)               = 0
[pid 25725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25725] write(3, "1000", 4)         = 4
[pid 25725] close(3)                    = 0
[pid 25725] write(1, "executing program\n", 18executing program
) = 18
[pid 25725] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25725] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25725] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25725] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25725] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25725] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25725] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25725] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25725] exit_group(0)               = ?
[pid 25725] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25725, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25726 attached
 <unfinished ...>
[pid 25726] set_robust_list(0x555555f76660, 24) = 0
[pid 25726] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25726] setpgid(0, 0)               = 0
[pid 25726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   357] <... clone resumed>, child_tidptr=0x555555f76650) = 25726
[pid 25726] <... openat resumed>)       = 3
[pid 25726] write(3, "1000", 4executing program
)         = 4
[pid 25726] close(3)                    = 0
[pid 25726] write(1, "executing program\n", 18) = 18
[pid 25726] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25726] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25726] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25726] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25726] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25726] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25726] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25726] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25726] exit_group(0)               = ?
[pid 25726] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25726, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25727 attached
, child_tidptr=0x555555f76650) = 25727
[pid 25727] set_robust_list(0x555555f76660, 24) = 0
[pid 25727] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25727] setpgid(0, 0)               = 0
[pid 25727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25727] write(3, "1000", 4)         = 4
[pid 25727] close(3)                    = 0
[pid 25727] write(1, "executing program\n", 18) = 18
[pid 25727] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25727] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25727] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25727] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25727] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25727] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25727] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25727] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25727] exit_group(0)               = ?
[pid 25727] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25727, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25728 attached
, child_tidptr=0x555555f76650) = 25728
[pid 25728] set_robust_list(0x555555f76660, 24) = 0
[pid 25728] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25728] setpgid(0, 0)               = 0
[pid 25728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25728] write(3, "1000", 4)         = 4
[pid 25728] close(3)                    = 0
[pid 25728] write(1, "executing program\n", 18) = 18
[pid 25728] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25728] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25728] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25728] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25728] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25728] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25728] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25728] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25728] exit_group(0)               = ?
[pid 25728] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25728, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25729 attached
, child_tidptr=0x555555f76650) = 25729
[pid 25729] set_robust_list(0x555555f76660, 24) = 0
[pid 25729] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25729] setpgid(0, 0)               = 0
[pid 25729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25729] write(3, "1000", 4)         = 4
executing program
[pid 25729] close(3)                    = 0
[pid 25729] write(1, "executing program\n", 18) = 18
[pid 25729] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25729] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25729] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25729] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25729] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25729] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25729] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25729] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25729] exit_group(0)               = ?
[pid 25729] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25729, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25730 attached
, child_tidptr=0x555555f76650) = 25730
[pid 25730] set_robust_list(0x555555f76660, 24) = 0
[pid 25730] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25730] setpgid(0, 0)               = 0
[pid 25730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25730] write(3, "1000", 4)         = 4
[pid 25730] close(3)                    = 0
[pid 25730] write(1, "executing program\n", 18executing program
) = 18
[pid 25730] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25730] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25730] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25730] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25730] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25730] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25730] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25730] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25730] exit_group(0)               = ?
[pid 25730] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25730, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25731 attached
, child_tidptr=0x555555f76650) = 25731
[pid 25731] set_robust_list(0x555555f76660, 24) = 0
[pid 25731] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25731] setpgid(0, 0)               = 0
[pid 25731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25731] write(3, "1000", 4)         = 4
[pid 25731] close(3executing program
)                    = 0
[pid 25731] write(1, "executing program\n", 18) = 18
[pid 25731] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25731] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25731] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25731] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25731] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25731] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25731] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25731] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25731] exit_group(0)               = ?
[pid 25731] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25731, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25732 attached
, child_tidptr=0x555555f76650) = 25732
[pid 25732] set_robust_list(0x555555f76660, 24) = 0
[pid 25732] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25732] setpgid(0, 0)               = 0
[pid 25732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25732] write(3, "1000", 4)         = 4
[pid 25732] close(3)                    = 0
executing program
[pid 25732] write(1, "executing program\n", 18) = 18
[pid 25732] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25732] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25732] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25732] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25732] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25732] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25732] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25732] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25732] exit_group(0)               = ?
[pid 25732] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25732, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25733 attached
, child_tidptr=0x555555f76650) = 25733
[pid 25733] set_robust_list(0x555555f76660, 24) = 0
[pid 25733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25733] setpgid(0, 0)               = 0
[pid 25733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25733] write(3, "1000", 4)         = 4
[pid 25733] close(3)                    = 0
[pid 25733] write(1, "executing program\n", 18executing program
) = 18
[pid 25733] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25733] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25733] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25733] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25733] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25733] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25733] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25733] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25733] exit_group(0)               = ?
[pid 25733] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25733, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25734
./strace-static-x86_64: Process 25734 attached
[pid 25734] set_robust_list(0x555555f76660, 24) = 0
[pid 25734] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25734] setpgid(0, 0)               = 0
[pid 25734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25734] write(3, "1000", 4)         = 4
[pid 25734] close(3executing program
)                    = 0
[pid 25734] write(1, "executing program\n", 18) = 18
[pid 25734] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25734] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25734] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25734] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25734] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25734] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25734] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25734] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25734] exit_group(0)               = ?
[pid 25734] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25734, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25735 attached
, child_tidptr=0x555555f76650) = 25735
[pid 25735] set_robust_list(0x555555f76660, 24) = 0
[pid 25735] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25735] setpgid(0, 0)               = 0
[pid 25735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25735] write(3, "1000", 4)         = 4
[pid 25735] close(3)                    = 0
[pid 25735] write(1, "executing program\n", 18executing program
) = 18
[pid 25735] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25735] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25735] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25735] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25735] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25735] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25735] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25735] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25735] exit_group(0)               = ?
[pid 25735] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25735, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25736 attached
, child_tidptr=0x555555f76650) = 25736
[pid 25736] set_robust_list(0x555555f76660, 24) = 0
[pid 25736] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25736] setpgid(0, 0)               = 0
[pid 25736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25736] write(3, "1000", 4)         = 4
executing program
[pid 25736] close(3)                    = 0
[pid 25736] write(1, "executing program\n", 18) = 18
[pid 25736] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25736] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25736] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25736] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25736] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25736] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25736] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25736] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25736] exit_group(0)               = ?
[pid 25736] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25736, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25737 attached
, child_tidptr=0x555555f76650) = 25737
[pid 25737] set_robust_list(0x555555f76660, 24) = 0
[pid 25737] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25737] setpgid(0, 0)               = 0
[pid 25737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25737] write(3, "1000", 4)         = 4
[pid 25737] close(3)                    = 0
[pid 25737] write(1, "executing program\n", 18executing program
) = 18
[pid 25737] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25737] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25737] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25737] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25737] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25737] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25737] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25737] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25737] exit_group(0)               = ?
[pid 25737] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25737, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25738 attached
, child_tidptr=0x555555f76650) = 25738
[pid 25738] set_robust_list(0x555555f76660, 24) = 0
[pid 25738] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25738] setpgid(0, 0)               = 0
[pid 25738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25738] write(3, "1000", 4)         = 4
[pid 25738] close(3)                    = 0
executing program
[pid 25738] write(1, "executing program\n", 18) = 18
[pid 25738] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25738] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25738] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25738] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25738] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25738] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25738] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25738] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25738] exit_group(0)               = ?
[pid 25738] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25738, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25739 attached
, child_tidptr=0x555555f76650) = 25739
[pid 25739] set_robust_list(0x555555f76660, 24) = 0
[pid 25739] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25739] setpgid(0, 0)               = 0
[pid 25739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25739] write(3, "1000", 4)         = 4
[pid 25739] close(3)                    = 0
[pid 25739] write(1, "executing program\n", 18executing program
) = 18
[pid 25739] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25739] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25739] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25739] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25739] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25739] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25739] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25739] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25739] exit_group(0)               = ?
[pid 25739] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25739, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25740
./strace-static-x86_64: Process 25740 attached
[pid 25740] set_robust_list(0x555555f76660, 24) = 0
[pid 25740] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25740] setpgid(0, 0)               = 0
[pid 25740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25740] write(3, "1000", 4)         = 4
[pid 25740] close(3)                    = 0
executing program
[pid 25740] write(1, "executing program\n", 18) = 18
[pid 25740] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25740] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25740] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25740] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25740] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25740] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25740] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25740] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25740] exit_group(0)               = ?
[pid 25740] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25740, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25741 attached
, child_tidptr=0x555555f76650) = 25741
[pid 25741] set_robust_list(0x555555f76660, 24) = 0
[pid 25741] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25741] setpgid(0, 0)               = 0
[pid 25741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25741] write(3, "1000", 4)         = 4
[pid 25741] close(3)                    = 0
[pid 25741] write(1, "executing program\n", 18executing program
) = 18
[pid 25741] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25741] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25741] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25741] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25741] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25741] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25741] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25741] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25741] exit_group(0)               = ?
[pid 25741] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25741, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25742
./strace-static-x86_64: Process 25742 attached
[pid 25742] set_robust_list(0x555555f76660, 24) = 0
[pid 25742] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25742] setpgid(0, 0)               = 0
[pid 25742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25742] write(3, "1000", 4)         = 4
[pid 25742] close(3)                    = 0
[pid 25742] write(1, "executing program\n", 18executing program
) = 18
[pid 25742] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25742] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25742] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25742] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25742] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25742] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25742] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25742] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25742] exit_group(0)               = ?
[pid 25742] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25742, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25743 attached
, child_tidptr=0x555555f76650) = 25743
[pid 25743] set_robust_list(0x555555f76660, 24) = 0
[pid 25743] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25743] setpgid(0, 0)               = 0
[pid 25743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25743] write(3, "1000", 4)         = 4
[pid 25743] close(3)                    = 0
executing program
[pid 25743] write(1, "executing program\n", 18) = 18
[pid 25743] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25743] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25743] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25743] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25743] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25743] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25743] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25743] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25743] exit_group(0)               = ?
[pid 25743] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25743, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25744 attached
, child_tidptr=0x555555f76650) = 25744
[pid 25744] set_robust_list(0x555555f76660, 24) = 0
[pid 25744] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25744] setpgid(0, 0)               = 0
[pid 25744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25744] write(3, "1000", 4)         = 4
[pid 25744] close(3)                    = 0
[pid 25744] write(1, "executing program\n", 18executing program
) = 18
[pid 25744] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25744] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25744] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25744] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25744] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25744] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25744] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25744] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25744] exit_group(0)               = ?
[pid 25744] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25744, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25745 attached
, child_tidptr=0x555555f76650) = 25745
[pid 25745] set_robust_list(0x555555f76660, 24) = 0
[pid 25745] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25745] setpgid(0, 0)               = 0
[pid 25745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25745] write(3, "1000", 4executing program
)         = 4
[pid 25745] close(3)                    = 0
[pid 25745] write(1, "executing program\n", 18) = 18
[pid 25745] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25745] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25745] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25745] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25745] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25745] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25745] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25745] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25745] exit_group(0)               = ?
[pid 25745] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25745, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25746
./strace-static-x86_64: Process 25746 attached
[pid 25746] set_robust_list(0x555555f76660, 24) = 0
[pid 25746] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25746] setpgid(0, 0)               = 0
[pid 25746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25746] write(3, "1000", 4)         = 4
[pid 25746] close(3)                    = 0
executing program
[pid 25746] write(1, "executing program\n", 18) = 18
[pid 25746] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25746] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25746] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25746] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25746] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25746] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25746] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25746] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25746] exit_group(0)               = ?
[pid 25746] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25746, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25747 attached
, child_tidptr=0x555555f76650) = 25747
[pid 25747] set_robust_list(0x555555f76660, 24) = 0
[pid 25747] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25747] setpgid(0, 0)               = 0
[pid 25747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25747] write(3, "1000", 4)         = 4
[pid 25747] close(3)                    = 0
[pid 25747] write(1, "executing program\n", 18executing program
) = 18
[pid 25747] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25747] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25747] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25747] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25747] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25747] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25747] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25747] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25747] exit_group(0)               = ?
[pid 25747] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25747, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25748
./strace-static-x86_64: Process 25748 attached
[pid 25748] set_robust_list(0x555555f76660, 24) = 0
[pid 25748] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25748] setpgid(0, 0)               = 0
[pid 25748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25748] write(3, "1000", 4)         = 4
[pid 25748] close(3executing program
)                    = 0
[pid 25748] write(1, "executing program\n", 18) = 18
[pid 25748] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25748] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25748] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25748] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25748] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25748] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25748] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25748] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25748] exit_group(0)               = ?
[pid 25748] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25748, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25749 attached
, child_tidptr=0x555555f76650) = 25749
[pid 25749] set_robust_list(0x555555f76660, 24) = 0
[pid 25749] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25749] setpgid(0, 0)               = 0
[pid 25749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25749] write(3, "1000", 4)         = 4
[pid 25749] close(3executing program
)                    = 0
[pid 25749] write(1, "executing program\n", 18) = 18
[pid 25749] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25749] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25749] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25749] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25749] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25749] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25749] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25749] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25749] exit_group(0)               = ?
[pid 25749] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25749, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25750
./strace-static-x86_64: Process 25750 attached
[pid 25750] set_robust_list(0x555555f76660, 24) = 0
[pid 25750] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25750] setpgid(0, 0)               = 0
[pid 25750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25750] write(3, "1000", 4)         = 4
[pid 25750] close(3)                    = 0
[pid 25750] write(1, "executing program\n", 18executing program
) = 18
[pid 25750] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25750] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25750] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25750] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25750] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25750] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25750] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25750] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25750] exit_group(0)               = ?
[pid 25750] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25750, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25751
./strace-static-x86_64: Process 25751 attached
[pid 25751] set_robust_list(0x555555f76660, 24) = 0
[pid 25751] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25751] setpgid(0, 0)               = 0
[pid 25751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25751] write(3, "1000", 4)         = 4
[pid 25751] close(3)                    = 0
[pid 25751] write(1, "executing program\n", 18executing program
) = 18
[pid 25751] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25751] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25751] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25751] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25751] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25751] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25751] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25751] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25751] exit_group(0)               = ?
[pid 25751] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25751, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25752
./strace-static-x86_64: Process 25752 attached
[pid 25752] set_robust_list(0x555555f76660, 24) = 0
[pid 25752] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25752] setpgid(0, 0)               = 0
[pid 25752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25752] write(3, "1000", 4)         = 4
[pid 25752] close(3)                    = 0
[pid 25752] write(1, "executing program\n", 18) = 18
[pid 25752] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25752] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25752] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25752] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25752] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25752] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25752] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25752] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25752] exit_group(0)               = ?
[pid 25752] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25752, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25753
./strace-static-x86_64: Process 25753 attached
[pid 25753] set_robust_list(0x555555f76660, 24) = 0
[pid 25753] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25753] setpgid(0, 0)               = 0
[pid 25753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25753] write(3, "1000", 4)         = 4
[pid 25753] close(3)                    = 0
[pid 25753] write(1, "executing program\n", 18executing program
) = 18
[pid 25753] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25753] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25753] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25753] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25753] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25753] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25753] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25753] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25753] exit_group(0)               = ?
[pid 25753] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25753, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25754
./strace-static-x86_64: Process 25754 attached
[pid 25754] set_robust_list(0x555555f76660, 24) = 0
[pid 25754] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25754] setpgid(0, 0)               = 0
[pid 25754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25754] write(3, "1000", 4)         = 4
[pid 25754] close(3)                    = 0
[pid 25754] write(1, "executing program\n", 18executing program
) = 18
[pid 25754] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25754] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25754] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25754] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25754] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25754] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25754] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25754] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25754] exit_group(0)               = ?
[pid 25754] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25754, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25755 attached
, child_tidptr=0x555555f76650) = 25755
[pid 25755] set_robust_list(0x555555f76660, 24) = 0
[pid 25755] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25755] setpgid(0, 0)               = 0
[pid 25755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25755] write(3, "1000", 4)         = 4
[pid 25755] close(3)                    = 0
[pid 25755] write(1, "executing program\n", 18) = 18
[pid 25755] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25755] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25755] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25755] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25755] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25755] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25755] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25755] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25755] exit_group(0)               = ?
[pid 25755] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25755, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25757
./strace-static-x86_64: Process 25757 attached
[pid 25757] set_robust_list(0x555555f76660, 24) = 0
[pid 25757] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25757] setpgid(0, 0)               = 0
[pid 25757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25757] write(3, "1000", 4)         = 4
[pid 25757] close(3)                    = 0
[pid 25757] write(1, "executing program\n", 18executing program
) = 18
[pid 25757] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25757] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25757] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25757] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25757] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25757] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25757] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25757] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25757] exit_group(0)               = ?
[pid 25757] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25757, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25758 attached
, child_tidptr=0x555555f76650) = 25758
[pid 25758] set_robust_list(0x555555f76660, 24) = 0
[pid 25758] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25758] setpgid(0, 0)               = 0
[pid 25758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25758] write(3, "1000", 4)         = 4
[pid 25758] close(3)                    = 0
[pid 25758] write(1, "executing program\n", 18) = 18
[pid 25758] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25758] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25758] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25758] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25758] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25758] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25758] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25758] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25758] exit_group(0)               = ?
[pid 25758] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25758, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25759 attached
, child_tidptr=0x555555f76650) = 25759
[pid 25759] set_robust_list(0x555555f76660, 24) = 0
[pid 25759] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25759] setpgid(0, 0)               = 0
[pid 25759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25759] write(3, "1000", 4)         = 4
[pid 25759] close(3)                    = 0
[pid 25759] write(1, "executing program\n", 18) = 18
[pid 25759] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25759] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25759] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25759] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25759] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25759] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25759] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25759] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25759] exit_group(0)               = ?
[pid 25759] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25759, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25760 attached
, child_tidptr=0x555555f76650) = 25760
[pid 25760] set_robust_list(0x555555f76660, 24) = 0
[pid 25760] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25760] setpgid(0, 0)               = 0
[pid 25760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25760] write(3, "1000", 4)         = 4
[pid 25760] close(3)                    = 0
[pid 25760] write(1, "executing program\n", 18executing program
) = 18
[pid 25760] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25760] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25760] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25760] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25760] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25760] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25760] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25760] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25760] exit_group(0)               = ?
[pid 25760] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25760, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25761 attached
, child_tidptr=0x555555f76650) = 25761
[pid 25761] set_robust_list(0x555555f76660, 24) = 0
[pid 25761] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25761] setpgid(0, 0)               = 0
[pid 25761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25761] write(3, "1000", 4)         = 4
executing program
[pid 25761] close(3)                    = 0
[pid 25761] write(1, "executing program\n", 18) = 18
[pid 25761] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25761] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25761] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25761] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25761] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25761] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25761] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25761] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25761] exit_group(0)               = ?
[pid 25761] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25761, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25762
./strace-static-x86_64: Process 25762 attached
[pid 25762] set_robust_list(0x555555f76660, 24) = 0
[pid 25762] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25762] setpgid(0, 0)               = 0
[pid 25762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25762] write(3, "1000", 4)         = 4
[pid 25762] close(3)                    = 0
executing program
[pid 25762] write(1, "executing program\n", 18) = 18
[pid 25762] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25762] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25762] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25762] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25762] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25762] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25762] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25762] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25762] exit_group(0)               = ?
[pid 25762] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25762, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25763 attached
, child_tidptr=0x555555f76650) = 25763
[pid 25763] set_robust_list(0x555555f76660, 24) = 0
[pid 25763] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25763] setpgid(0, 0)               = 0
[pid 25763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25763] write(3, "1000", 4)         = 4
[pid 25763] close(3)                    = 0
executing program
[pid 25763] write(1, "executing program\n", 18) = 18
[pid 25763] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25763] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25763] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25763] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25763] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25763] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25763] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25763] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25763] exit_group(0)               = ?
[pid 25763] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25763, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25764
./strace-static-x86_64: Process 25764 attached
[pid 25764] set_robust_list(0x555555f76660, 24) = 0
[pid 25764] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25764] setpgid(0, 0)               = 0
[pid 25764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25764] write(3, "1000", 4)         = 4
[pid 25764] close(3)                    = 0
executing program
[pid 25764] write(1, "executing program\n", 18) = 18
[pid 25764] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25764] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25764] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25764] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25764] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25764] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25764] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25764] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25764] exit_group(0)               = ?
[pid 25764] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25764, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25765 attached
, child_tidptr=0x555555f76650) = 25765
[pid 25765] set_robust_list(0x555555f76660, 24) = 0
[pid 25765] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25765] setpgid(0, 0)               = 0
[pid 25765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25765] write(3, "1000", 4)         = 4
[pid 25765] close(3)                    = 0
[pid 25765] write(1, "executing program\n", 18) = 18
[pid 25765] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25765] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25765] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25765] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25765] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25765] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25765] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25765] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25765] exit_group(0)               = ?
[pid 25765] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25765, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25766 attached
, child_tidptr=0x555555f76650) = 25766
[pid 25766] set_robust_list(0x555555f76660, 24) = 0
[pid 25766] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25766] setpgid(0, 0)               = 0
[pid 25766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25766] write(3, "1000", 4)         = 4
[pid 25766] close(3)                    = 0
[pid 25766] write(1, "executing program\n", 18) = 18
[pid 25766] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25766] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25766] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25766] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25766] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25766] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25766] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25766] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25766] exit_group(0)               = ?
[pid 25766] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25766, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25767 attached
, child_tidptr=0x555555f76650) = 25767
[pid 25767] set_robust_list(0x555555f76660, 24) = 0
[pid 25767] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25767] setpgid(0, 0)               = 0
[pid 25767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25767] write(3, "1000", 4)         = 4
[pid 25767] close(3executing program
)                    = 0
[pid 25767] write(1, "executing program\n", 18) = 18
[pid 25767] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25767] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25767] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25767] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25767] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25767] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25767] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25767] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25767] exit_group(0)               = ?
[pid 25767] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25767, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25768 attached
, child_tidptr=0x555555f76650) = 25768
[pid 25768] set_robust_list(0x555555f76660, 24) = 0
[pid 25768] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25768] setpgid(0, 0)               = 0
[pid 25768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25768] write(3, "1000", 4)         = 4
[pid 25768] close(3executing program
)                    = 0
[pid 25768] write(1, "executing program\n", 18) = 18
[pid 25768] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25768] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25768] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25768] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25768] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25768] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25768] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25768] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25768] exit_group(0)               = ?
[pid 25768] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25768, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25769 attached
, child_tidptr=0x555555f76650) = 25769
[pid 25769] set_robust_list(0x555555f76660, 24) = 0
[pid 25769] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
executing program
[pid 25769] setpgid(0, 0)               = 0
[pid 25769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25769] write(3, "1000", 4)         = 4
[pid 25769] close(3)                    = 0
[pid 25769] write(1, "executing program\n", 18) = 18
[pid 25769] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25769] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25769] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25769] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25769] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25769] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25769] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25769] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25769] exit_group(0)               = ?
[pid 25769] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25769, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25770 attached
, child_tidptr=0x555555f76650) = 25770
[pid 25770] set_robust_list(0x555555f76660, 24) = 0
[pid 25770] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25770] setpgid(0, 0)               = 0
[pid 25770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25770] write(3, "1000", 4)         = 4
[pid 25770] close(3)                    = 0
executing program
[pid 25770] write(1, "executing program\n", 18) = 18
[pid 25770] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25770] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25770] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25770] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25770] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25770] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25770] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25770] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25770] exit_group(0)               = ?
[pid 25770] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25770, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25771 attached
, child_tidptr=0x555555f76650) = 25771
[pid 25771] set_robust_list(0x555555f76660, 24) = 0
[pid 25771] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25771] setpgid(0, 0)               = 0
[pid 25771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25771] write(3, "1000", 4)         = 4
[pid 25771] close(3)                    = 0
[pid 25771] write(1, "executing program\n", 18) = 18
[pid 25771] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25771] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25771] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25771] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25771] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25771] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25771] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25771] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25771] exit_group(0)               = ?
[pid 25771] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25771, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25772
./strace-static-x86_64: Process 25772 attached
[pid 25772] set_robust_list(0x555555f76660, 24) = 0
[pid 25772] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25772] setpgid(0, 0)               = 0
[pid 25772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25772] write(3, "1000", 4)         = 4
[pid 25772] close(3)                    = 0
[pid 25772] write(1, "executing program\n", 18executing program
) = 18
[pid 25772] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25772] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25772] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25772] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25772] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25772] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25772] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25772] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25772] exit_group(0)               = ?
[pid 25772] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25772, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25773
./strace-static-x86_64: Process 25773 attached
[pid 25773] set_robust_list(0x555555f76660, 24) = 0
[pid 25773] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25773] setpgid(0, 0)               = 0
[pid 25773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25773] write(3, "1000", 4)         = 4
[pid 25773] close(3)                    = 0
[pid 25773] write(1, "executing program\n", 18executing program
) = 18
[pid 25773] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25773] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25773] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25773] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25773] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25773] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25773] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25773] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25773] exit_group(0)               = ?
[pid 25773] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25773, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25774 attached
, child_tidptr=0x555555f76650) = 25774
[pid 25774] set_robust_list(0x555555f76660, 24) = 0
[pid 25774] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25774] setpgid(0, 0)               = 0
[pid 25774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25774] write(3, "1000", 4)         = 4
[pid 25774] close(3)                    = 0
[pid 25774] write(1, "executing program\n", 18executing program
) = 18
[pid 25774] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25774] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25774] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25774] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25774] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25774] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25774] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25774] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25774] exit_group(0)               = ?
[pid 25774] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25774, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25775 attached
, child_tidptr=0x555555f76650) = 25775
[pid 25775] set_robust_list(0x555555f76660, 24) = 0
[pid 25775] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25775] setpgid(0, 0)               = 0
[pid 25775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25775] write(3, "1000", 4)         = 4
[pid 25775] close(3)                    = 0
[pid 25775] write(1, "executing program\n", 18) = 18
[pid 25775] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25775] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25775] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25775] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25775] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25775] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25775] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25775] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25775] exit_group(0)               = ?
[pid 25775] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25775, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25776 attached
, child_tidptr=0x555555f76650) = 25776
[pid 25776] set_robust_list(0x555555f76660, 24) = 0
[pid 25776] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25776] setpgid(0, 0)               = 0
[pid 25776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25776] write(3, "1000", 4)         = 4
executing program
[pid 25776] close(3)                    = 0
[pid 25776] write(1, "executing program\n", 18) = 18
[pid 25776] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25776] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25776] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25776] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25776] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25776] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25776] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25776] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25776] exit_group(0)               = ?
[pid 25776] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25776, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25777
./strace-static-x86_64: Process 25777 attached
[pid 25777] set_robust_list(0x555555f76660, 24) = 0
[pid 25777] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25777] setpgid(0, 0)               = 0
[pid 25777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25777] write(3, "1000", 4)         = 4
[pid 25777] close(3)                    = 0
[pid 25777] write(1, "executing program\n", 18executing program
) = 18
[pid 25777] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25777] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25777] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25777] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25777] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25777] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25777] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25777] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25777] exit_group(0)               = ?
[pid 25777] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25777, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25778
./strace-static-x86_64: Process 25778 attached
[pid 25778] set_robust_list(0x555555f76660, 24) = 0
[pid 25778] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25778] setpgid(0, 0)               = 0
[pid 25778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25778] write(3, "1000", 4)         = 4
[pid 25778] close(3)                    = 0
[pid 25778] write(1, "executing program\n", 18executing program
) = 18
[pid 25778] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25778] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25778] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25778] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25778] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25778] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25778] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25778] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25778] exit_group(0)               = ?
[pid 25778] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25778, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25779 attached
, child_tidptr=0x555555f76650) = 25779
[pid 25779] set_robust_list(0x555555f76660, 24) = 0
[pid 25779] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25779] setpgid(0, 0)               = 0
[pid 25779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25779] write(3, "1000", 4)         = 4
[pid 25779] close(3)                    = 0
[pid 25779] write(1, "executing program\n", 18executing program
) = 18
[pid 25779] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25779] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25779] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25779] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25779] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25779] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25779] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25779] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25779] exit_group(0)               = ?
[pid 25779] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25779, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25780 attached
, child_tidptr=0x555555f76650) = 25780
[pid 25780] set_robust_list(0x555555f76660, 24) = 0
[pid 25780] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25780] setpgid(0, 0)               = 0
[pid 25780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25780] write(3, "1000", 4)         = 4
executing program
[pid 25780] close(3)                    = 0
[pid 25780] write(1, "executing program\n", 18) = 18
[pid 25780] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25780] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25780] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25780] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25780] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25780] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25780] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25780] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25780] exit_group(0)               = ?
[pid 25780] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25780, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
executing program
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25781
./strace-static-x86_64: Process 25781 attached
[pid 25781] set_robust_list(0x555555f76660, 24) = 0
[pid 25781] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25781] setpgid(0, 0)               = 0
[pid 25781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25781] write(3, "1000", 4)         = 4
[pid 25781] close(3)                    = 0
[pid 25781] write(1, "executing program\n", 18) = 18
[pid 25781] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25781] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25781] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25781] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25781] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25781] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25781] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25781] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25781] exit_group(0)               = ?
[pid 25781] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25781, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25782
./strace-static-x86_64: Process 25782 attached
[pid 25782] set_robust_list(0x555555f76660, 24) = 0
[pid 25782] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25782] setpgid(0, 0)               = 0
[pid 25782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25782] write(3, "1000", 4)         = 4
[pid 25782] close(3)                    = 0
[pid 25782] write(1, "executing program\n", 18executing program
) = 18
[pid 25782] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25782] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25782] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25782] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25782] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25782] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25782] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25782] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25782] exit_group(0)               = ?
[pid 25782] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25782, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25783
./strace-static-x86_64: Process 25783 attached
[pid 25783] set_robust_list(0x555555f76660, 24) = 0
[pid 25783] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25783] setpgid(0, 0)               = 0
[pid 25783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25783] write(3, "1000", 4)         = 4
[pid 25783] close(3)                    = 0
[pid 25783] write(1, "executing program\n", 18executing program
) = 18
[pid 25783] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25783] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25783] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25783] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25783] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25783] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25783] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25783] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25783] exit_group(0)               = ?
[pid 25783] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25783, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25784 attached
, child_tidptr=0x555555f76650) = 25784
[pid 25784] set_robust_list(0x555555f76660, 24) = 0
[pid 25784] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25784] setpgid(0, 0)               = 0
[pid 25784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25784] write(3, "1000", 4)         = 4
[pid 25784] close(3)                    = 0
[pid 25784] write(1, "executing program\n", 18executing program
) = 18
[pid 25784] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25784] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25784] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25784] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25784] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25784] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25784] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25784] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25784] exit_group(0)               = ?
[pid 25784] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25784, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25785 attached
, child_tidptr=0x555555f76650) = 25785
[pid 25785] set_robust_list(0x555555f76660, 24) = 0
[pid 25785] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25785] setpgid(0, 0)               = 0
[pid 25785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25785] write(3, "1000", 4)         = 4
[pid 25785] close(3)                    = 0
[pid 25785] write(1, "executing program\n", 18executing program
) = 18
[pid 25785] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25785] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25785] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25785] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25785] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25785] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25785] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25785] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25785] exit_group(0)               = ?
[pid 25785] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25785, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25786
./strace-static-x86_64: Process 25786 attached
[pid 25786] set_robust_list(0x555555f76660, 24) = 0
[pid 25786] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25786] setpgid(0, 0)               = 0
[pid 25786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25786] write(3, "1000", 4executing program
)         = 4
[pid 25786] close(3)                    = 0
[pid 25786] write(1, "executing program\n", 18) = 18
[pid 25786] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25786] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25786] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25786] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25786] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25786] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25786] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25786] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25786] exit_group(0)               = ?
[pid 25786] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25786, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25787 attached
, child_tidptr=0x555555f76650) = 25787
[pid 25787] set_robust_list(0x555555f76660, 24) = 0
[pid 25787] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25787] setpgid(0, 0)               = 0
[pid 25787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25787] write(3, "1000", 4)         = 4
executing program
[pid 25787] close(3)                    = 0
[pid 25787] write(1, "executing program\n", 18) = 18
[pid 25787] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25787] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25787] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25787] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25787] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25787] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25787] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25787] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25787] exit_group(0)               = ?
[pid 25787] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25787, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25788 attached
, child_tidptr=0x555555f76650) = 25788
[pid 25788] set_robust_list(0x555555f76660, 24) = 0
[pid 25788] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25788] setpgid(0, 0)               = 0
[pid 25788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25788] write(3, "1000", 4)         = 4
[pid 25788] close(3)                    = 0
[pid 25788] write(1, "executing program\n", 18) = 18
[pid 25788] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25788] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25788] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25788] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25788] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25788] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25788] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25788] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25788] exit_group(0)               = ?
[pid 25788] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25788, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25789
./strace-static-x86_64: Process 25789 attached
[pid 25789] set_robust_list(0x555555f76660, 24) = 0
[pid 25789] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25789] setpgid(0, 0)               = 0
[pid 25789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25789] write(3, "1000", 4)         = 4
[pid 25789] close(3)                    = 0
[pid 25789] write(1, "executing program\n", 18) = 18
[pid 25789] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25789] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25789] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25789] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25789] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25789] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25789] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25789] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25789] exit_group(0)               = ?
[pid 25789] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25789, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25790 attached
, child_tidptr=0x555555f76650) = 25790
[pid 25790] set_robust_list(0x555555f76660, 24) = 0
[pid 25790] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25790] setpgid(0, 0)               = 0
[pid 25790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25790] write(3, "1000", 4)         = 4
[pid 25790] close(3)                    = 0
executing program
[pid 25790] write(1, "executing program\n", 18) = 18
[pid 25790] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25790] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25790] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25790] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25790] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25790] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25790] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25790] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25790] exit_group(0)               = ?
[pid 25790] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25790, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25791 attached
, child_tidptr=0x555555f76650) = 25791
[pid 25791] set_robust_list(0x555555f76660, 24) = 0
[pid 25791] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25791] setpgid(0, 0)               = 0
[pid 25791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25791] write(3, "1000", 4)         = 4
[pid 25791] close(3)                    = 0
executing program
[pid 25791] write(1, "executing program\n", 18) = 18
[pid 25791] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25791] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25791] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25791] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25791] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25791] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25791] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25791] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25791] exit_group(0)               = ?
[pid 25791] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25791, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25792
./strace-static-x86_64: Process 25792 attached
[pid 25792] set_robust_list(0x555555f76660, 24) = 0
[pid 25792] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25792] setpgid(0, 0)               = 0
[pid 25792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25792] write(3, "1000", 4)         = 4
[pid 25792] close(3)                    = 0
executing program
[pid 25792] write(1, "executing program\n", 18) = 18
[pid 25792] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25792] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25792] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25792] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25792] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25792] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25792] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25792] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25792] exit_group(0)               = ?
[pid 25792] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25792, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25793 attached
, child_tidptr=0x555555f76650) = 25793
[pid 25793] set_robust_list(0x555555f76660, 24) = 0
[pid 25793] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25793] setpgid(0, 0)               = 0
[pid 25793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25793] write(3, "1000", 4)         = 4
[pid 25793] close(3)                    = 0
[pid 25793] write(1, "executing program\n", 18executing program
) = 18
[pid 25793] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25793] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25793] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25793] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25793] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25793] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25793] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25793] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25793] exit_group(0)               = ?
[pid 25793] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25793, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25794
./strace-static-x86_64: Process 25794 attached
[pid 25794] set_robust_list(0x555555f76660, 24) = 0
[pid 25794] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25794] setpgid(0, 0)               = 0
[pid 25794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25794] write(3, "1000", 4)         = 4
[pid 25794] close(3)                    = 0
executing program
[pid 25794] write(1, "executing program\n", 18) = 18
[pid 25794] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25794] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25794] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25794] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25794] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25794] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25794] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25794] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25794] exit_group(0)               = ?
[pid 25794] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25794, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25795 attached
, child_tidptr=0x555555f76650) = 25795
[pid 25795] set_robust_list(0x555555f76660, 24) = 0
[pid 25795] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25795] setpgid(0, 0)               = 0
[pid 25795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25795] write(3, "1000", 4)         = 4
[pid 25795] close(3)                    = 0
[pid 25795] write(1, "executing program\n", 18executing program
) = 18
[pid 25795] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25795] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25795] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25795] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25795] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25795] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25795] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25795] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25795] exit_group(0)               = ?
[pid 25795] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25795, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25796 attached
, child_tidptr=0x555555f76650) = 25796
[pid 25796] set_robust_list(0x555555f76660, 24) = 0
[pid 25796] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25796] setpgid(0, 0)               = 0
[pid 25796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25796] write(3, "1000", 4)         = 4
[pid 25796] close(3)                    = 0
executing program
[pid 25796] write(1, "executing program\n", 18) = 18
[pid 25796] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25796] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25796] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25796] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25796] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25796] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25796] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25796] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25796] exit_group(0)               = ?
[pid 25796] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25796, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25797
./strace-static-x86_64: Process 25797 attached
[pid 25797] set_robust_list(0x555555f76660, 24) = 0
[pid 25797] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25797] setpgid(0, 0)               = 0
[pid 25797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25797] write(3, "1000", 4)         = 4
[pid 25797] close(3)                    = 0
executing program
[pid 25797] write(1, "executing program\n", 18) = 18
[pid 25797] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25797] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25797] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25797] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25797] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25797] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25797] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25797] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25797] exit_group(0)               = ?
[pid 25797] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25797, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25798 attached
, child_tidptr=0x555555f76650) = 25798
[pid 25798] set_robust_list(0x555555f76660, 24) = 0
[pid 25798] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25798] setpgid(0, 0)               = 0
[pid 25798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25798] write(3, "1000", 4)         = 4
[pid 25798] close(3)                    = 0
[pid 25798] write(1, "executing program\n", 18executing program
) = 18
[pid 25798] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25798] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25798] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25798] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25798] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25798] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25798] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25798] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25798] exit_group(0)               = ?
[pid 25798] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25798, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25799
./strace-static-x86_64: Process 25799 attached
[pid 25799] set_robust_list(0x555555f76660, 24) = 0
[pid 25799] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25799] setpgid(0, 0)               = 0
[pid 25799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25799] write(3, "1000", 4)         = 4
[pid 25799] close(3)                    = 0
executing program
[pid 25799] write(1, "executing program\n", 18) = 18
[pid 25799] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25799] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25799] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25799] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25799] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25799] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25799] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25799] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25799] exit_group(0)               = ?
[pid 25799] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25799, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25800
./strace-static-x86_64: Process 25800 attached
[pid 25800] set_robust_list(0x555555f76660, 24) = 0
[pid 25800] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25800] setpgid(0, 0)               = 0
[pid 25800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25800] write(3, "1000", 4)         = 4
[pid 25800] close(3)                    = 0
[pid 25800] write(1, "executing program\n", 18executing program
) = 18
[pid 25800] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25800] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25800] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25800] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25800] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25800] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25800] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25800] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25800] exit_group(0)               = ?
[pid 25800] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25800, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25801 attached
, child_tidptr=0x555555f76650) = 25801
[pid 25801] set_robust_list(0x555555f76660, 24) = 0
[pid 25801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25801] setpgid(0, 0)               = 0
[pid 25801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25801] write(3, "1000", 4executing program
)         = 4
[pid 25801] close(3)                    = 0
[pid 25801] write(1, "executing program\n", 18) = 18
[pid 25801] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25801] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25801] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25801] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25801] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25801] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25801] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25801] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25801] exit_group(0)               = ?
[pid 25801] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25801, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25802 attached
, child_tidptr=0x555555f76650) = 25802
[pid 25802] set_robust_list(0x555555f76660, 24) = 0
[pid 25802] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25802] setpgid(0, 0)               = 0
[pid 25802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25802] write(3, "1000", 4)         = 4
[pid 25802] close(3)                    = 0
[pid 25802] write(1, "executing program\n", 18) = 18
[pid 25802] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25802] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25802] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25802] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25802] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25802] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25802] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25802] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25802] exit_group(0)               = ?
[pid 25802] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25802, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25803 attached
, child_tidptr=0x555555f76650) = 25803
[pid 25803] set_robust_list(0x555555f76660, 24) = 0
[pid 25803] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25803] setpgid(0, 0)               = 0
[pid 25803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25803] write(3, "1000", 4)         = 4
[pid 25803] close(3)                    = 0
[pid 25803] write(1, "executing program\n", 18) = 18
[pid 25803] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25803] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25803] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25803] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25803] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25803] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25803] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25803] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25803] exit_group(0)               = ?
[pid 25803] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25803, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25804
./strace-static-x86_64: Process 25804 attached
[pid 25804] set_robust_list(0x555555f76660, 24) = 0
[pid 25804] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25804] setpgid(0, 0)               = 0
[pid 25804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25804] write(3, "1000", 4)         = 4
[pid 25804] close(3)                    = 0
[pid 25804] write(1, "executing program\n", 18executing program
) = 18
[pid 25804] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25804] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25804] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25804] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25804] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25804] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25804] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25804] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25804] exit_group(0)               = ?
[pid 25804] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25804, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25805
./strace-static-x86_64: Process 25805 attached
[pid 25805] set_robust_list(0x555555f76660, 24) = 0
[pid 25805] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25805] setpgid(0, 0)               = 0
[pid 25805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25805] write(3, "1000", 4)         = 4
[pid 25805] close(3executing program
)                    = 0
[pid 25805] write(1, "executing program\n", 18) = 18
[pid 25805] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25805] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25805] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25805] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25805] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25805] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25805] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25805] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25805] exit_group(0)               = ?
[pid 25805] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25805, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25806 attached
, child_tidptr=0x555555f76650) = 25806
[pid 25806] set_robust_list(0x555555f76660, 24) = 0
[pid 25806] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25806] setpgid(0, 0)               = 0
[pid 25806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25806] write(3, "1000", 4)         = 4
[pid 25806] close(3executing program
)                    = 0
[pid 25806] write(1, "executing program\n", 18) = 18
[pid 25806] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25806] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25806] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25806] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25806] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25806] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25806] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25806] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25806] exit_group(0)               = ?
[pid 25806] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25806, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25807 attached
, child_tidptr=0x555555f76650) = 25807
[pid 25807] set_robust_list(0x555555f76660, 24) = 0
[pid 25807] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25807] setpgid(0, 0)               = 0
[pid 25807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25807] write(3, "1000", 4)         = 4
[pid 25807] close(3)                    = 0
executing program
[pid 25807] write(1, "executing program\n", 18) = 18
[pid 25807] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25807] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25807] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25807] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25807] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25807] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25807] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25807] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25807] exit_group(0)               = ?
[pid 25807] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25807, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25808
./strace-static-x86_64: Process 25808 attached
[pid 25808] set_robust_list(0x555555f76660, 24) = 0
[pid 25808] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25808] setpgid(0, 0)               = 0
[pid 25808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25808] write(3, "1000", 4)         = 4
[pid 25808] close(3)                    = 0
[pid 25808] write(1, "executing program\n", 18) = 18
[pid 25808] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25808] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25808] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25808] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25808] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25808] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25808] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25808] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25808] exit_group(0)               = ?
[pid 25808] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25808, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25809 attached
, child_tidptr=0x555555f76650) = 25809
[pid 25809] set_robust_list(0x555555f76660, 24) = 0
[pid 25809] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25809] setpgid(0, 0)               = 0
[pid 25809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25809] write(3, "1000", 4)         = 4
[pid 25809] close(3)                    = 0
[pid 25809] write(1, "executing program\n", 18executing program
) = 18
[pid 25809] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25809] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25809] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25809] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25809] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25809] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25809] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25809] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25809] exit_group(0)               = ?
[pid 25809] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25809, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25810 attached
, child_tidptr=0x555555f76650) = 25810
[pid 25810] set_robust_list(0x555555f76660, 24) = 0
[pid 25810] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25810] setpgid(0, 0)               = 0
[pid 25810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25810] write(3, "1000", 4)         = 4
[pid 25810] close(3)                    = 0
executing program
[pid 25810] write(1, "executing program\n", 18) = 18
[pid 25810] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25810] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25810] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25810] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25810] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25810] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25810] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25810] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25810] exit_group(0)               = ?
[pid 25810] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25810, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25811 attached
, child_tidptr=0x555555f76650) = 25811
[pid 25811] set_robust_list(0x555555f76660, 24) = 0
[pid 25811] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25811] setpgid(0, 0)               = 0
[pid 25811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25811] write(3, "1000", 4)         = 4
[pid 25811] close(3)                    = 0
[pid 25811] write(1, "executing program\n", 18) = 18
[pid 25811] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25811] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25811] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25811] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25811] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25811] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25811] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25811] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25811] exit_group(0)               = ?
[pid 25811] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25811, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25812
./strace-static-x86_64: Process 25812 attached
[pid 25812] set_robust_list(0x555555f76660, 24) = 0
[pid 25812] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25812] setpgid(0, 0)               = 0
[pid 25812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25812] write(3, "1000", 4)         = 4
[pid 25812] close(3executing program
)                    = 0
[pid 25812] write(1, "executing program\n", 18) = 18
[pid 25812] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25812] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25812] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25812] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25812] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25812] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25812] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25812] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25812] exit_group(0)               = ?
[pid 25812] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25812, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25813 attached
, child_tidptr=0x555555f76650) = 25813
[pid 25813] set_robust_list(0x555555f76660, 24) = 0
[pid 25813] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25813] setpgid(0, 0)               = 0
[pid 25813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25813] write(3, "1000", 4)         = 4
[pid 25813] close(3)                    = 0
[pid 25813] write(1, "executing program\n", 18executing program
) = 18
[pid 25813] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25813] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25813] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25813] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25813] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25813] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25813] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25813] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25813] exit_group(0)               = ?
[pid 25813] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25813, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25814 attached
, child_tidptr=0x555555f76650) = 25814
[pid 25814] set_robust_list(0x555555f76660, 24) = 0
[pid 25814] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25814] setpgid(0, 0)               = 0
[pid 25814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25814] write(3, "1000", 4)         = 4
[pid 25814] close(3)                    = 0
[pid 25814] write(1, "executing program\n", 18executing program
) = 18
[pid 25814] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25814] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25814] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25814] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25814] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25814] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25814] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25814] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25814] exit_group(0)               = ?
[pid 25814] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25814, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25815 attached
, child_tidptr=0x555555f76650) = 25815
[pid 25815] set_robust_list(0x555555f76660, 24) = 0
[pid 25815] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25815] setpgid(0, 0)               = 0
[pid 25815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25815] write(3, "1000", 4)         = 4
[pid 25815] close(3executing program
)                    = 0
[pid 25815] write(1, "executing program\n", 18) = 18
[pid 25815] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25815] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25815] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25815] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25815] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25815] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25815] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25815] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25815] exit_group(0)               = ?
[pid 25815] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25815, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25816 attached
, child_tidptr=0x555555f76650) = 25816
[pid 25816] set_robust_list(0x555555f76660, 24) = 0
[pid 25816] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25816] setpgid(0, 0)               = 0
[pid 25816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25816] write(3, "1000", 4)         = 4
[pid 25816] close(3)                    = 0
[pid 25816] write(1, "executing program\n", 18) = 18
[pid 25816] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25816] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25816] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25816] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25816] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25816] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25816] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25816] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25816] exit_group(0)               = ?
[pid 25816] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25816, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25817 attached
, child_tidptr=0x555555f76650) = 25817
[pid 25817] set_robust_list(0x555555f76660, 24) = 0
[pid 25817] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25817] setpgid(0, 0)               = 0
[pid 25817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25817] write(3, "1000", 4)         = 4
[pid 25817] close(3executing program
)                    = 0
[pid 25817] write(1, "executing program\n", 18) = 18
[pid 25817] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25817] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25817] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25817] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25817] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25817] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25817] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25817] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25817] exit_group(0)               = ?
[pid 25817] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25817, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25818 attached
, child_tidptr=0x555555f76650) = 25818
[pid 25818] set_robust_list(0x555555f76660, 24) = 0
[pid 25818] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25818] setpgid(0, 0)               = 0
[pid 25818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25818] write(3, "1000", 4)         = 4
[pid 25818] close(3)                    = 0
[pid 25818] write(1, "executing program\n", 18executing program
) = 18
[pid 25818] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25818] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25818] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25818] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25818] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25818] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25818] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25818] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25818] exit_group(0)               = ?
[pid 25818] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25818, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25819
./strace-static-x86_64: Process 25819 attached
[pid 25819] set_robust_list(0x555555f76660, 24) = 0
[pid 25819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25819] setpgid(0, 0)               = 0
[pid 25819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25819] write(3, "1000", 4)         = 4
[pid 25819] close(3)                    = 0
executing program
[pid 25819] write(1, "executing program\n", 18) = 18
[pid 25819] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25819] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25819] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25819] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25819] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25819] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25819] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25819] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25819] exit_group(0)               = ?
[pid 25819] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25819, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25820 attached
, child_tidptr=0x555555f76650) = 25820
[pid 25820] set_robust_list(0x555555f76660, 24) = 0
[pid 25820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25820] setpgid(0, 0)               = 0
[pid 25820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25820] write(3, "1000", 4)         = 4
[pid 25820] close(3)                    = 0
executing program
[pid 25820] write(1, "executing program\n", 18) = 18
[pid 25820] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25820] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25820] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25820] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25820] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25820] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25820] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25820] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25820] exit_group(0)               = ?
[pid 25820] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25820, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25821
./strace-static-x86_64: Process 25821 attached
[pid 25821] set_robust_list(0x555555f76660, 24) = 0
[pid 25821] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25821] setpgid(0, 0)               = 0
[pid 25821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25821] write(3, "1000", 4)         = 4
[pid 25821] close(3)                    = 0
executing program
[pid 25821] write(1, "executing program\n", 18) = 18
[pid 25821] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25821] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25821] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25821] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25821] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25821] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25821] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25821] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25821] exit_group(0)               = ?
[pid 25821] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25821, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25822 attached
, child_tidptr=0x555555f76650) = 25822
[pid 25822] set_robust_list(0x555555f76660, 24) = 0
[pid 25822] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25822] setpgid(0, 0)               = 0
[pid 25822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25822] write(3, "1000", 4)         = 4
[pid 25822] close(3)                    = 0
[pid 25822] write(1, "executing program\n", 18executing program
) = 18
[pid 25822] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25822] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25822] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25822] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25822] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25822] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25822] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25822] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25822] exit_group(0)               = ?
[pid 25822] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25822, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25823
./strace-static-x86_64: Process 25823 attached
[pid 25823] set_robust_list(0x555555f76660, 24) = 0
[pid 25823] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25823] setpgid(0, 0)               = 0
[pid 25823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25823] write(3, "1000", 4)         = 4
[pid 25823] close(3)                    = 0
[pid 25823] write(1, "executing program\n", 18executing program
) = 18
[pid 25823] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25823] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25823] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25823] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25823] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25823] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25823] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25823] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25823] exit_group(0)               = ?
[pid 25823] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25823, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25824 attached
, child_tidptr=0x555555f76650) = 25824
[pid 25824] set_robust_list(0x555555f76660, 24) = 0
[pid 25824] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25824] setpgid(0, 0)               = 0
[pid 25824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25824] write(3, "1000", 4)         = 4
[pid 25824] close(3)                    = 0
[pid 25824] write(1, "executing program\n", 18executing program
) = 18
[pid 25824] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25824] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25824] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25824] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25824] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25824] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25824] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25824] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25824] exit_group(0)               = ?
[pid 25824] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25824, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25825 attached
, child_tidptr=0x555555f76650) = 25825
[pid 25825] set_robust_list(0x555555f76660, 24) = 0
[pid 25825] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25825] setpgid(0, 0)               = 0
[pid 25825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25825] write(3, "1000", 4)         = 4
[pid 25825] close(3)                    = 0
[pid 25825] write(1, "executing program\n", 18executing program
) = 18
[pid 25825] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25825] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25825] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25825] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25825] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25825] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25825] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25825] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25825] exit_group(0)               = ?
[pid 25825] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25825, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25826 attached
, child_tidptr=0x555555f76650) = 25826
[pid 25826] set_robust_list(0x555555f76660, 24) = 0
[pid 25826] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25826] setpgid(0, 0)               = 0
[pid 25826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25826] write(3, "1000", 4)         = 4
[pid 25826] close(3)                    = 0
executing program
[pid 25826] write(1, "executing program\n", 18) = 18
[pid 25826] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25826] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25826] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25826] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25826] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25826] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25826] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25826] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25826] exit_group(0)               = ?
[pid 25826] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25826, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25827
./strace-static-x86_64: Process 25827 attached
[pid 25827] set_robust_list(0x555555f76660, 24) = 0
[pid 25827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25827] setpgid(0, 0)               = 0
[pid 25827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25827] write(3, "1000", 4)         = 4
[pid 25827] close(3)                    = 0
executing program
[pid 25827] write(1, "executing program\n", 18) = 18
[pid 25827] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25827] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25827] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25827] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25827] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25827] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25827] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25827] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25827] exit_group(0)               = ?
[pid 25827] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25827, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25828
./strace-static-x86_64: Process 25828 attached
[pid 25828] set_robust_list(0x555555f76660, 24) = 0
[pid 25828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25828] setpgid(0, 0)               = 0
[pid 25828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25828] write(3, "1000", 4)         = 4
[pid 25828] close(3)                    = 0
[pid 25828] write(1, "executing program\n", 18executing program
) = 18
[pid 25828] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25828] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25828] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25828] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25828] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25828] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25828] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25828] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25828] exit_group(0)               = ?
[pid 25828] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25828, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25829
./strace-static-x86_64: Process 25829 attached
[pid 25829] set_robust_list(0x555555f76660, 24) = 0
[pid 25829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25829] setpgid(0, 0)               = 0
[pid 25829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25829] write(3, "1000", 4)         = 4
executing program
[pid 25829] close(3)                    = 0
[pid 25829] write(1, "executing program\n", 18) = 18
[pid 25829] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25829] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25829] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25829] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25829] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25829] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25829] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25829] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25829] exit_group(0)               = ?
[pid 25829] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25829, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25830 attached
, child_tidptr=0x555555f76650) = 25830
[pid 25830] set_robust_list(0x555555f76660, 24) = 0
[pid 25830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25830] setpgid(0, 0)               = 0
[pid 25830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25830] write(3, "1000", 4)         = 4
[pid 25830] close(3)                    = 0
executing program
[pid 25830] write(1, "executing program\n", 18) = 18
[pid 25830] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25830] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25830] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25830] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25830] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25830] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25830] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25830] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25830] exit_group(0)               = ?
[pid 25830] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25830, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25831
./strace-static-x86_64: Process 25831 attached
[pid 25831] set_robust_list(0x555555f76660, 24) = 0
[pid 25831] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25831] setpgid(0, 0)               = 0
[pid 25831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25831] write(3, "1000", 4)         = 4
[pid 25831] close(3)                    = 0
executing program
[pid 25831] write(1, "executing program\n", 18) = 18
[pid 25831] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25831] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25831] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25831] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25831] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25831] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25831] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25831] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25831] exit_group(0)               = ?
[pid 25831] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25831, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25832 attached
, child_tidptr=0x555555f76650) = 25832
[pid 25832] set_robust_list(0x555555f76660, 24) = 0
[pid 25832] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25832] setpgid(0, 0)               = 0
[pid 25832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25832] write(3, "1000", 4)         = 4
[pid 25832] close(3)                    = 0
[pid 25832] write(1, "executing program\n", 18) = 18
[pid 25832] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25832] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25832] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25832] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25832] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25832] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25832] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25832] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25832] exit_group(0)               = ?
[pid 25832] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25832, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25833
./strace-static-x86_64: Process 25833 attached
[pid 25833] set_robust_list(0x555555f76660, 24) = 0
[pid 25833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25833] setpgid(0, 0)               = 0
[pid 25833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25833] write(3, "1000", 4)         = 4
[pid 25833] close(3executing program
)                    = 0
[pid 25833] write(1, "executing program\n", 18) = 18
[pid 25833] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25833] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25833] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25833] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25833] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25833] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25833] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25833] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25833] exit_group(0)               = ?
[pid 25833] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25833, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25834
./strace-static-x86_64: Process 25834 attached
[pid 25834] set_robust_list(0x555555f76660, 24) = 0
[pid 25834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25834] setpgid(0, 0)               = 0
[pid 25834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25834] write(3, "1000", 4)         = 4
[pid 25834] close(3)                    = 0
[pid 25834] write(1, "executing program\n", 18executing program
) = 18
[pid 25834] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25834] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25834] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25834] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25834] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25834] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25834] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25834] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25834] exit_group(0)               = ?
[pid 25834] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25834, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25835
./strace-static-x86_64: Process 25835 attached
[pid 25835] set_robust_list(0x555555f76660, 24) = 0
[pid 25835] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25835] setpgid(0, 0)               = 0
[pid 25835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25835] write(3, "1000", 4)         = 4
[pid 25835] close(3)                    = 0
[pid 25835] write(1, "executing program\n", 18executing program
) = 18
[pid 25835] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25835] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25835] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25835] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25835] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25835] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25835] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25835] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25835] exit_group(0)               = ?
[pid 25835] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25835, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25836 attached
, child_tidptr=0x555555f76650) = 25836
[pid 25836] set_robust_list(0x555555f76660, 24) = 0
[pid 25836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25836] setpgid(0, 0)               = 0
[pid 25836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25836] write(3, "1000", 4)         = 4
[pid 25836] close(3)                    = 0
[pid 25836] write(1, "executing program\n", 18executing program
) = 18
[pid 25836] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25836] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25836] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25836] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25836] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25836] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25836] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25836] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25836] exit_group(0)               = ?
[pid 25836] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25836, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25837 attached
, child_tidptr=0x555555f76650) = 25837
[pid 25837] set_robust_list(0x555555f76660, 24) = 0
[pid 25837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25837] setpgid(0, 0)               = 0
[pid 25837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25837] write(3, "1000", 4)         = 4
[pid 25837] close(3)                    = 0
[pid 25837] write(1, "executing program\n", 18executing program
) = 18
[pid 25837] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25837] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25837] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25837] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25837] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25837] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25837] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25837] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25837] exit_group(0)               = ?
[pid 25837] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25837, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25838 attached
, child_tidptr=0x555555f76650) = 25838
[pid 25838] set_robust_list(0x555555f76660, 24) = 0
[pid 25838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25838] setpgid(0, 0)               = 0
[pid 25838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25838] write(3, "1000", 4)         = 4
[pid 25838] close(3)                    = 0
executing program
[pid 25838] write(1, "executing program\n", 18) = 18
[pid 25838] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25838] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25838] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25838] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25838] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25838] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25838] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25838] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25838] exit_group(0)               = ?
[pid 25838] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25838, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25839
./strace-static-x86_64: Process 25839 attached
[pid 25839] set_robust_list(0x555555f76660, 24) = 0
[pid 25839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25839] setpgid(0, 0)               = 0
[pid 25839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25839] write(3, "1000", 4)         = 4
[pid 25839] close(3)                    = 0
executing program
[pid 25839] write(1, "executing program\n", 18) = 18
[pid 25839] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25839] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25839] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25839] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25839] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25839] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25839] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25839] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25839] exit_group(0)               = ?
[pid 25839] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25839, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25840
./strace-static-x86_64: Process 25840 attached
[pid 25840] set_robust_list(0x555555f76660, 24) = 0
[pid 25840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25840] setpgid(0, 0)               = 0
[pid 25840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25840] write(3, "1000", 4)         = 4
[pid 25840] close(3)                    = 0
executing program
[pid 25840] write(1, "executing program\n", 18) = 18
[pid 25840] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25840] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25840] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25840] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25840] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25840] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25840] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25840] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25840] exit_group(0)               = ?
[pid 25840] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25840, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25841 attached
, child_tidptr=0x555555f76650) = 25841
[pid 25841] set_robust_list(0x555555f76660, 24) = 0
[pid 25841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25841] setpgid(0, 0)               = 0
[pid 25841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25841] write(3, "1000", 4)         = 4
[pid 25841] close(3)                    = 0
executing program
[pid 25841] write(1, "executing program\n", 18) = 18
[pid 25841] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25841] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25841] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25841] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25841] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25841] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25841] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25841] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25841] exit_group(0)               = ?
[pid 25841] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25841, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25842
./strace-static-x86_64: Process 25842 attached
[pid 25842] set_robust_list(0x555555f76660, 24) = 0
[pid 25842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25842] setpgid(0, 0)               = 0
[pid 25842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25842] write(3, "1000", 4)         = 4
[pid 25842] close(3)                    = 0
[pid 25842] write(1, "executing program\n", 18executing program
) = 18
[pid 25842] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25842] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25842] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25842] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25842] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25842] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25842] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25842] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25842] exit_group(0)               = ?
[pid 25842] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25842, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25843
./strace-static-x86_64: Process 25843 attached
[pid 25843] set_robust_list(0x555555f76660, 24) = 0
[pid 25843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25843] setpgid(0, 0)               = 0
[pid 25843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25843] write(3, "1000", 4)         = 4
[pid 25843] close(3)                    = 0
[pid 25843] write(1, "executing program\n", 18executing program
) = 18
[pid 25843] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25843] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25843] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25843] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25843] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25843] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25843] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25843] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25843] exit_group(0)               = ?
[pid 25843] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25843, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25844 attached
, child_tidptr=0x555555f76650) = 25844
[pid 25844] set_robust_list(0x555555f76660, 24) = 0
[pid 25844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25844] setpgid(0, 0)               = 0
[pid 25844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25844] write(3, "1000", 4)         = 4
[pid 25844] close(3)                    = 0
executing program
[pid 25844] write(1, "executing program\n", 18) = 18
[pid 25844] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25844] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25844] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25844] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25844] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25844] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25844] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25844] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25844] exit_group(0)               = ?
[pid 25844] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25844, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25845
./strace-static-x86_64: Process 25845 attached
[pid 25845] set_robust_list(0x555555f76660, 24) = 0
[pid 25845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25845] setpgid(0, 0)               = 0
[pid 25845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25845] write(3, "1000", 4)         = 4
[pid 25845] close(3executing program
)                    = 0
[pid 25845] write(1, "executing program\n", 18) = 18
[pid 25845] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25845] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25845] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25845] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25845] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25845] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25845] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25845] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25845] exit_group(0)               = ?
[pid 25845] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25845, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25846 attached
, child_tidptr=0x555555f76650) = 25846
[pid 25846] set_robust_list(0x555555f76660, 24) = 0
[pid 25846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25846] setpgid(0, 0)               = 0
[pid 25846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25846] write(3, "1000", 4)         = 4
[pid 25846] close(3)                    = 0
[pid 25846] write(1, "executing program\n", 18executing program
) = 18
[pid 25846] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25846] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25846] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25846] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25846] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25846] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25846] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25846] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25846] exit_group(0)               = ?
[pid 25846] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25846, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25848 attached
, child_tidptr=0x555555f76650) = 25848
[pid 25848] set_robust_list(0x555555f76660, 24) = 0
[pid 25848] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25848] setpgid(0, 0)               = 0
[pid 25848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25848] write(3, "1000", 4)         = 4
[pid 25848] close(3)                    = 0
[pid 25848] write(1, "executing program\n", 18executing program
) = 18
[pid 25848] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25848] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25848] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25848] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25848] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25848] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25848] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25848] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25848] exit_group(0)               = ?
[pid 25848] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25848, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25849
./strace-static-x86_64: Process 25849 attached
[pid 25849] set_robust_list(0x555555f76660, 24) = 0
[pid 25849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25849] setpgid(0, 0)               = 0
[pid 25849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25849] write(3, "1000", 4)         = 4
[pid 25849] close(3)                    = 0
[pid 25849] write(1, "executing program\n", 18executing program
) = 18
[pid 25849] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25849] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25849] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25849] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25849] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25849] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25849] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25849] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25849] exit_group(0)               = ?
[pid 25849] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25849, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25850 attached
, child_tidptr=0x555555f76650) = 25850
[pid 25850] set_robust_list(0x555555f76660, 24) = 0
[pid 25850] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25850] setpgid(0, 0)               = 0
[pid 25850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25850] write(3, "1000", 4)         = 4
[pid 25850] close(3executing program
)                    = 0
[pid 25850] write(1, "executing program\n", 18) = 18
[pid 25850] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25850] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25850] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25850] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25850] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25850] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25850] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25850] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25850] exit_group(0)               = ?
[pid 25850] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25850, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25851 attached
, child_tidptr=0x555555f76650) = 25851
[pid 25851] set_robust_list(0x555555f76660, 24) = 0
[pid 25851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25851] setpgid(0, 0)               = 0
[pid 25851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25851] write(3, "1000", 4)         = 4
[pid 25851] close(3)                    = 0
executing program
[pid 25851] write(1, "executing program\n", 18) = 18
[pid 25851] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25851] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25851] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25851] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25851] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25851] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25851] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25851] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25851] exit_group(0)               = ?
[pid 25851] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25851, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25852 attached
, child_tidptr=0x555555f76650) = 25852
[pid 25852] set_robust_list(0x555555f76660, 24) = 0
[pid 25852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25852] setpgid(0, 0)               = 0
[pid 25852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25852] write(3, "1000", 4)         = 4
[pid 25852] close(3)                    = 0
[pid 25852] write(1, "executing program\n", 18executing program
) = 18
[pid 25852] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25852] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25852] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25852] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25852] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25852] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25852] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25852] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25852] exit_group(0)               = ?
[pid 25852] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25852, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25853
./strace-static-x86_64: Process 25853 attached
[pid 25853] set_robust_list(0x555555f76660, 24) = 0
[pid 25853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25853] setpgid(0, 0)               = 0
[pid 25853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25853] write(3, "1000", 4)         = 4
[pid 25853] close(3)                    = 0
executing program
[pid 25853] write(1, "executing program\n", 18) = 18
[pid 25853] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25853] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25853] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25853] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25853] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25853] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25853] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25853] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25853] exit_group(0)               = ?
[pid 25853] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25853, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25854 attached
, child_tidptr=0x555555f76650) = 25854
[pid 25854] set_robust_list(0x555555f76660, 24) = 0
[pid 25854] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25854] setpgid(0, 0)               = 0
[pid 25854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25854] write(3, "1000", 4)         = 4
[pid 25854] close(3)                    = 0
executing program
[pid 25854] write(1, "executing program\n", 18) = 18
[pid 25854] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25854] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25854] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25854] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25854] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25854] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25854] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25854] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25854] exit_group(0)               = ?
[pid 25854] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25854, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25855
./strace-static-x86_64: Process 25855 attached
[pid 25855] set_robust_list(0x555555f76660, 24) = 0
[pid 25855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25855] setpgid(0, 0)               = 0
[pid 25855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25855] write(3, "1000", 4)         = 4
[pid 25855] close(3executing program
)                    = 0
[pid 25855] write(1, "executing program\n", 18) = 18
[pid 25855] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25855] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25855] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25855] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25855] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25855] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25855] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25855] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25855] exit_group(0)               = ?
[pid 25855] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25855, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25856 attached
, child_tidptr=0x555555f76650) = 25856
[pid 25856] set_robust_list(0x555555f76660, 24) = 0
[pid 25856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25856] setpgid(0, 0)               = 0
[pid 25856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25856] write(3, "1000", 4)         = 4
[pid 25856] close(3)                    = 0
executing program
[pid 25856] write(1, "executing program\n", 18) = 18
[pid 25856] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25856] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25856] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25856] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25856] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25856] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25856] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25856] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25856] exit_group(0)               = ?
[pid 25856] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25856, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25857
./strace-static-x86_64: Process 25857 attached
[pid 25857] set_robust_list(0x555555f76660, 24) = 0
[pid 25857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25857] setpgid(0, 0)               = 0
[pid 25857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25857] write(3, "1000", 4)         = 4
[pid 25857] close(3)                    = 0
executing program
[pid 25857] write(1, "executing program\n", 18) = 18
[pid 25857] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25857] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25857] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25857] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25857] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25857] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25857] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25857] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25857] exit_group(0)               = ?
[pid 25857] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25857, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25858 attached
, child_tidptr=0x555555f76650) = 25858
[pid 25858] set_robust_list(0x555555f76660, 24) = 0
[pid 25858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25858] setpgid(0, 0)               = 0
[pid 25858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25858] write(3, "1000", 4)         = 4
[pid 25858] close(3)                    = 0
executing program
[pid 25858] write(1, "executing program\n", 18) = 18
[pid 25858] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25858] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25858] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25858] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25858] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25858] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25858] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25858] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25858] exit_group(0)               = ?
[pid 25858] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25858, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25859
./strace-static-x86_64: Process 25859 attached
[pid 25859] set_robust_list(0x555555f76660, 24) = 0
[pid 25859] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25859] setpgid(0, 0)               = 0
[pid 25859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25859] write(3, "1000", 4)         = 4
[pid 25859] close(3)                    = 0
[pid 25859] write(1, "executing program\n", 18executing program
) = 18
[pid 25859] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25859] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25859] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25859] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25859] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25859] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25859] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25859] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25859] exit_group(0)               = ?
[pid 25859] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25859, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25860 attached
, child_tidptr=0x555555f76650) = 25860
[pid 25860] set_robust_list(0x555555f76660, 24) = 0
[pid 25860] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25860] setpgid(0, 0)               = 0
[pid 25860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25860] write(3, "1000", 4)         = 4
[pid 25860] close(3)                    = 0
executing program
[pid 25860] write(1, "executing program\n", 18) = 18
[pid 25860] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25860] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25860] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25860] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25860] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25860] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25860] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25860] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25860] exit_group(0)               = ?
[pid 25860] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25860, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25861 attached
, child_tidptr=0x555555f76650) = 25861
[pid 25861] set_robust_list(0x555555f76660, 24) = 0
[pid 25861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25861] setpgid(0, 0)               = 0
[pid 25861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25861] write(3, "1000", 4)         = 4
[pid 25861] close(3)                    = 0
executing program
[pid 25861] write(1, "executing program\n", 18) = 18
[pid 25861] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25861] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25861] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25861] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25861] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25861] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25861] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25861] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25861] exit_group(0)               = ?
[pid 25861] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25861, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25862
./strace-static-x86_64: Process 25862 attached
[pid 25862] set_robust_list(0x555555f76660, 24) = 0
[pid 25862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25862] setpgid(0, 0)               = 0
[pid 25862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25862] write(3, "1000", 4)         = 4
[pid 25862] close(3executing program
)                    = 0
[pid 25862] write(1, "executing program\n", 18) = 18
[pid 25862] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25862] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25862] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25862] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25862] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25862] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25862] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25862] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25862] exit_group(0)               = ?
[pid 25862] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25862, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25863 attached
, child_tidptr=0x555555f76650) = 25863
[pid 25863] set_robust_list(0x555555f76660, 24) = 0
[pid 25863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25863] setpgid(0, 0)               = 0
[pid 25863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25863] write(3, "1000", 4)         = 4
[pid 25863] close(3)                    = 0
[pid 25863] write(1, "executing program\n", 18executing program
) = 18
[pid 25863] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25863] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25863] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25863] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25863] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25863] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25863] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25863] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25863] exit_group(0)               = ?
[pid 25863] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25863, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25864 attached
, child_tidptr=0x555555f76650) = 25864
[pid 25864] set_robust_list(0x555555f76660, 24) = 0
[pid 25864] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25864] setpgid(0, 0)               = 0
[pid 25864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25864] write(3, "1000", 4)         = 4
[pid 25864] close(3executing program
)                    = 0
[pid 25864] write(1, "executing program\n", 18) = 18
[pid 25864] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25864] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25864] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25864] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25864] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25864] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25864] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25864] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25864] exit_group(0)               = ?
[pid 25864] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25864, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25865 attached
, child_tidptr=0x555555f76650) = 25865
[pid 25865] set_robust_list(0x555555f76660, 24) = 0
[pid 25865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25865] setpgid(0, 0)               = 0
[pid 25865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25865] write(3, "1000", 4)         = 4
[pid 25865] close(3)                    = 0
[pid 25865] write(1, "executing program\n", 18executing program
) = 18
[pid 25865] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25865] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25865] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25865] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25865] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25865] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25865] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25865] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25865] exit_group(0)               = ?
[pid 25865] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25865, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25866 attached
, child_tidptr=0x555555f76650) = 25866
[pid 25866] set_robust_list(0x555555f76660, 24) = 0
[pid 25866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25866] setpgid(0, 0)               = 0
[pid 25866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25866] write(3, "1000", 4)         = 4
[pid 25866] close(3)                    = 0
[pid 25866] write(1, "executing program\n", 18executing program
) = 18
[pid 25866] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25866] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25866] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25866] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25866] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25866] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25866] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25866] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25866] exit_group(0)               = ?
[pid 25866] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25866, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25867
./strace-static-x86_64: Process 25867 attached
[pid 25867] set_robust_list(0x555555f76660, 24) = 0
[pid 25867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25867] setpgid(0, 0)               = 0
[pid 25867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25867] write(3, "1000", 4)         = 4
[pid 25867] close(3executing program
)                    = 0
[pid 25867] write(1, "executing program\n", 18) = 18
[pid 25867] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25867] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25867] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25867] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25867] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25867] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25867] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25867] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25867] exit_group(0)               = ?
[pid 25867] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25867, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25868 attached
, child_tidptr=0x555555f76650) = 25868
[pid 25868] set_robust_list(0x555555f76660, 24) = 0
[pid 25868] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25868] setpgid(0, 0)               = 0
[pid 25868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25868] write(3, "1000", 4)         = 4
[pid 25868] close(3)                    = 0
[pid 25868] write(1, "executing program\n", 18) = 18
[pid 25868] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25868] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25868] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25868] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25868] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25868] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25868] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25868] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25868] exit_group(0)               = ?
[pid 25868] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25868, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25869 attached
, child_tidptr=0x555555f76650) = 25869
[pid 25869] set_robust_list(0x555555f76660, 24) = 0
[pid 25869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25869] setpgid(0, 0)               = 0
[pid 25869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25869] write(3, "1000", 4)         = 4
[pid 25869] close(3)                    = 0
[pid 25869] write(1, "executing program\n", 18executing program
) = 18
[pid 25869] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25869] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25869] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25869] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25869] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25869] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25869] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25869] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25869] exit_group(0)               = ?
[pid 25869] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25869, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25870 attached
, child_tidptr=0x555555f76650) = 25870
[pid 25870] set_robust_list(0x555555f76660, 24) = 0
[pid 25870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25870] setpgid(0, 0)               = 0
[pid 25870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25870] write(3, "1000", 4)         = 4
[pid 25870] close(3)                    = 0
executing program
[pid 25870] write(1, "executing program\n", 18) = 18
[pid 25870] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25870] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25870] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25870] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25870] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25870] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25870] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25870] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25870] exit_group(0)               = ?
[pid 25870] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25870, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25871
./strace-static-x86_64: Process 25871 attached
[pid 25871] set_robust_list(0x555555f76660, 24) = 0
[pid 25871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25871] setpgid(0, 0)               = 0
[pid 25871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25871] write(3, "1000", 4)         = 4
[pid 25871] close(3)                    = 0
[pid 25871] write(1, "executing program\n", 18executing program
) = 18
[pid 25871] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25871] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25871] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25871] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25871] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25871] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25871] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25871] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25871] exit_group(0)               = ?
[pid 25871] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25871, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25872 attached
, child_tidptr=0x555555f76650) = 25872
[pid 25872] set_robust_list(0x555555f76660, 24) = 0
[pid 25872] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25872] setpgid(0, 0)               = 0
[pid 25872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25872] write(3, "1000", 4)         = 4
[pid 25872] close(3)                    = 0
[pid 25872] write(1, "executing program\n", 18executing program
) = 18
[pid 25872] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25872] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25872] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25872] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25872] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25872] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25872] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25872] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25872] exit_group(0)               = ?
[pid 25872] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25872, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25873 attached
, child_tidptr=0x555555f76650) = 25873
[pid 25873] set_robust_list(0x555555f76660, 24) = 0
[pid 25873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25873] setpgid(0, 0)               = 0
[pid 25873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25873] write(3, "1000", 4)         = 4
[pid 25873] close(3)                    = 0
[pid 25873] write(1, "executing program\n", 18executing program
) = 18
[pid 25873] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25873] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25873] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25873] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25873] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25873] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25873] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25873] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25873] exit_group(0)               = ?
[pid 25873] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25873, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25874
./strace-static-x86_64: Process 25874 attached
[pid 25874] set_robust_list(0x555555f76660, 24) = 0
[pid 25874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25874] setpgid(0, 0)               = 0
[pid 25874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25874] write(3, "1000", 4)         = 4
[pid 25874] close(3)                    = 0
[pid 25874] write(1, "executing program\n", 18executing program
) = 18
[pid 25874] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25874] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25874] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25874] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25874] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25874] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25874] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25874] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25874] exit_group(0)               = ?
[pid 25874] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25874, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25875
./strace-static-x86_64: Process 25875 attached
[pid 25875] set_robust_list(0x555555f76660, 24) = 0
[pid 25875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25875] setpgid(0, 0)               = 0
[pid 25875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25875] write(3, "1000", 4)         = 4
[pid 25875] close(3)                    = 0
[pid 25875] write(1, "executing program\n", 18executing program
) = 18
[pid 25875] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25875] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25875] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25875] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25875] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25875] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25875] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25875] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25875] exit_group(0)               = ?
[pid 25875] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25875, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25876
./strace-static-x86_64: Process 25876 attached
[pid 25876] set_robust_list(0x555555f76660, 24) = 0
[pid 25876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25876] setpgid(0, 0)               = 0
[pid 25876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25876] write(3, "1000", 4)         = 4
[pid 25876] close(3)                    = 0
[pid 25876] write(1, "executing program\n", 18executing program
) = 18
[pid 25876] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25876] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25876] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25876] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25876] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25876] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25876] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25876] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25876] exit_group(0)               = ?
[pid 25876] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25876, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25877 attached
, child_tidptr=0x555555f76650) = 25877
[pid 25877] set_robust_list(0x555555f76660, 24) = 0
[pid 25877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25877] setpgid(0, 0)               = 0
[pid 25877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25877] write(3, "1000", 4)         = 4
[pid 25877] close(3)                    = 0
[pid 25877] write(1, "executing program\n", 18executing program
) = 18
[pid 25877] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25877] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25877] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25877] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25877] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25877] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25877] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25877] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25877] exit_group(0)               = ?
[pid 25877] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25877, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25878
./strace-static-x86_64: Process 25878 attached
[pid 25878] set_robust_list(0x555555f76660, 24) = 0
[pid 25878] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25878] setpgid(0, 0)               = 0
[pid 25878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25878] write(3, "1000", 4)         = 4
[pid 25878] close(3)                    = 0
executing program
[pid 25878] write(1, "executing program\n", 18) = 18
[pid 25878] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25878] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25878] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25878] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25878] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25878] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25878] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25878] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25878] exit_group(0)               = ?
[pid 25878] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25878, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25879 attached
, child_tidptr=0x555555f76650) = 25879
[pid 25879] set_robust_list(0x555555f76660, 24) = 0
[pid 25879] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25879] setpgid(0, 0)               = 0
[pid 25879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25879] write(3, "1000", 4)         = 4
[pid 25879] close(3)                    = 0
[pid 25879] write(1, "executing program\n", 18executing program
) = 18
[pid 25879] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25879] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25879] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25879] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25879] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25879] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25879] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25879] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25879] exit_group(0)               = ?
[pid 25879] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25879, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25880 attached
, child_tidptr=0x555555f76650) = 25880
[pid 25880] set_robust_list(0x555555f76660, 24) = 0
[pid 25880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25880] setpgid(0, 0)               = 0
[pid 25880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25880] write(3, "1000", 4)         = 4
[pid 25880] close(3)                    = 0
executing program
[pid 25880] write(1, "executing program\n", 18) = 18
[pid 25880] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25880] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25880] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25880] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25880] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25880] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25880] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25880] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25880] exit_group(0)               = ?
[pid 25880] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25880, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25881 attached
, child_tidptr=0x555555f76650) = 25881
[pid 25881] set_robust_list(0x555555f76660, 24) = 0
[pid 25881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25881] setpgid(0, 0)               = 0
[pid 25881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25881] write(3, "1000", 4)         = 4
[pid 25881] close(3)                    = 0
executing program
[pid 25881] write(1, "executing program\n", 18) = 18
[pid 25881] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25881] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25881] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25881] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25881] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25881] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25881] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25881] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25881] exit_group(0)               = ?
[pid 25881] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25881, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25882 attached
, child_tidptr=0x555555f76650) = 25882
[pid 25882] set_robust_list(0x555555f76660, 24) = 0
[pid 25882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25882] setpgid(0, 0)               = 0
[pid 25882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25882] write(3, "1000", 4)         = 4
[pid 25882] close(3)                    = 0
executing program
[pid 25882] write(1, "executing program\n", 18) = 18
[pid 25882] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25882] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25882] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25882] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25882] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25882] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25882] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25882] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25882] exit_group(0)               = ?
[pid 25882] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25882, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25883 attached
, child_tidptr=0x555555f76650) = 25883
[pid 25883] set_robust_list(0x555555f76660, 24) = 0
[pid 25883] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25883] setpgid(0, 0)               = 0
[pid 25883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25883] write(3, "1000", 4)         = 4
[pid 25883] close(3)                    = 0
[pid 25883] write(1, "executing program\n", 18executing program
) = 18
[pid 25883] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25883] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25883] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25883] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25883] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25883] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25883] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25883] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25883] exit_group(0)               = ?
[pid 25883] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25883, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25884 attached
, child_tidptr=0x555555f76650) = 25884
[pid 25884] set_robust_list(0x555555f76660, 24) = 0
[pid 25884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25884] setpgid(0, 0)               = 0
[pid 25884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25884] write(3, "1000", 4)         = 4
[pid 25884] close(3)                    = 0
[pid 25884] write(1, "executing program\n", 18) = 18
[pid 25884] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25884] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25884] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25884] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25884] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25884] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25884] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25884] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25884] exit_group(0)               = ?
[pid 25884] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25884, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25885
./strace-static-x86_64: Process 25885 attached
[pid 25885] set_robust_list(0x555555f76660, 24) = 0
[pid 25885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25885] setpgid(0, 0)               = 0
[pid 25885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25885] write(3, "1000", 4)         = 4
[pid 25885] close(3)                    = 0
[pid 25885] write(1, "executing program\n", 18executing program
) = 18
[pid 25885] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25885] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25885] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25885] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25885] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25885] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25885] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25885] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25885] exit_group(0)               = ?
[pid 25885] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25885, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25886
./strace-static-x86_64: Process 25886 attached
[pid 25886] set_robust_list(0x555555f76660, 24) = 0
[pid 25886] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25886] setpgid(0, 0)               = 0
[pid 25886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25886] write(3, "1000", 4)         = 4
[pid 25886] close(3)                    = 0
[pid 25886] write(1, "executing program\n", 18executing program
) = 18
[pid 25886] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25886] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25886] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25886] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25886] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25886] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25886] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25886] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25886] exit_group(0)               = ?
[pid 25886] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25886, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25887 attached
, child_tidptr=0x555555f76650) = 25887
[pid 25887] set_robust_list(0x555555f76660, 24) = 0
[pid 25887] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25887] setpgid(0, 0)               = 0
[pid 25887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25887] write(3, "1000", 4)         = 4
[pid 25887] close(3)                    = 0
[pid 25887] write(1, "executing program\n", 18executing program
) = 18
[pid 25887] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25887] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25887] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25887] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25887] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25887] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25887] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25887] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25887] exit_group(0)               = ?
[pid 25887] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25887, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25888 attached
, child_tidptr=0x555555f76650) = 25888
[pid 25888] set_robust_list(0x555555f76660, 24) = 0
[pid 25888] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25888] setpgid(0, 0)               = 0
[pid 25888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25888] write(3, "1000", 4)         = 4
[pid 25888] close(3executing program
)                    = 0
[pid 25888] write(1, "executing program\n", 18) = 18
[pid 25888] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25888] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25888] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25888] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25888] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25888] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25888] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25888] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25888] exit_group(0)               = ?
[pid 25888] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25888, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25889 attached
, child_tidptr=0x555555f76650) = 25889
[pid 25889] set_robust_list(0x555555f76660, 24) = 0
[pid 25889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25889] setpgid(0, 0)               = 0
[pid 25889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25889] write(3, "1000", 4)         = 4
[pid 25889] close(3)                    = 0
[pid 25889] write(1, "executing program\n", 18executing program
) = 18
[pid 25889] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25889] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25889] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25889] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25889] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25889] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25889] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25889] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25889] exit_group(0)               = ?
[pid 25889] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25889, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25890 attached
, child_tidptr=0x555555f76650) = 25890
[pid 25890] set_robust_list(0x555555f76660, 24) = 0
[pid 25890] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25890] setpgid(0, 0)               = 0
[pid 25890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25890] write(3, "1000", 4)         = 4
[pid 25890] close(3)                    = 0
[pid 25890] write(1, "executing program\n", 18executing program
) = 18
[pid 25890] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25890] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25890] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25890] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25890] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25890] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25890] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25890] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25890] exit_group(0)               = ?
[pid 25890] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25890, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25891
./strace-static-x86_64: Process 25891 attached
[pid 25891] set_robust_list(0x555555f76660, 24) = 0
[pid 25891] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25891] setpgid(0, 0)               = 0
[pid 25891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25891] write(3, "1000", 4)         = 4
[pid 25891] close(3)                    = 0
executing program
[pid 25891] write(1, "executing program\n", 18) = 18
[pid 25891] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25891] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25891] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25891] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25891] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25891] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25891] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25891] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25891] exit_group(0)               = ?
[pid 25891] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25891, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25892 attached
, child_tidptr=0x555555f76650) = 25892
[pid 25892] set_robust_list(0x555555f76660, 24) = 0
[pid 25892] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25892] setpgid(0, 0)               = 0
[pid 25892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25892] write(3, "1000", 4)         = 4
[pid 25892] close(3)                    = 0
executing program
[pid 25892] write(1, "executing program\n", 18) = 18
[pid 25892] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25892] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25892] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25892] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25892] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25892] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25892] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25892] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25892] exit_group(0)               = ?
[pid 25892] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25892, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25893 attached
, child_tidptr=0x555555f76650) = 25893
[pid 25893] set_robust_list(0x555555f76660, 24) = 0
[pid 25893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25893] setpgid(0, 0)               = 0
[pid 25893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25893] write(3, "1000", 4)         = 4
[pid 25893] close(3)                    = 0
[pid 25893] write(1, "executing program\n", 18executing program
) = 18
[pid 25893] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25893] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25893] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25893] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25893] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25893] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25893] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25893] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25893] exit_group(0)               = ?
[pid 25893] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25893, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25894 attached
, child_tidptr=0x555555f76650) = 25894
[pid 25894] set_robust_list(0x555555f76660, 24) = 0
[pid 25894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25894] setpgid(0, 0)               = 0
[pid 25894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25894] write(3, "1000", 4)         = 4
[pid 25894] close(3)                    = 0
[pid 25894] write(1, "executing program\n", 18executing program
) = 18
[pid 25894] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25894] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25894] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25894] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25894] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25894] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25894] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25894] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25894] exit_group(0)               = ?
[pid 25894] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25894, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25895
./strace-static-x86_64: Process 25895 attached
[pid 25895] set_robust_list(0x555555f76660, 24) = 0
[pid 25895] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25895] setpgid(0, 0)               = 0
[pid 25895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25895] write(3, "1000", 4)         = 4
[pid 25895] close(3)                    = 0
executing program
[pid 25895] write(1, "executing program\n", 18) = 18
[pid 25895] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25895] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25895] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25895] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25895] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25895] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25895] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25895] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25895] exit_group(0)               = ?
[pid 25895] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25895, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25896 attached
, child_tidptr=0x555555f76650) = 25896
[pid 25896] set_robust_list(0x555555f76660, 24) = 0
[pid 25896] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25896] setpgid(0, 0)               = 0
[pid 25896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25896] write(3, "1000", 4)         = 4
[pid 25896] close(3)                    = 0
[pid 25896] write(1, "executing program\n", 18executing program
) = 18
[pid 25896] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25896] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25896] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25896] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25896] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25896] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25896] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25896] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25896] exit_group(0)               = ?
[pid 25896] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25896, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25897 attached
, child_tidptr=0x555555f76650) = 25897
[pid 25897] set_robust_list(0x555555f76660, 24) = 0
[pid 25897] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25897] setpgid(0, 0)               = 0
[pid 25897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25897] write(3, "1000", 4)         = 4
[pid 25897] close(3)                    = 0
[pid 25897] write(1, "executing program\n", 18executing program
) = 18
[pid 25897] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25897] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25897] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25897] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25897] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25897] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25897] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25897] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25897] exit_group(0)               = ?
[pid 25897] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25897, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25898
./strace-static-x86_64: Process 25898 attached
[pid 25898] set_robust_list(0x555555f76660, 24) = 0
[pid 25898] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25898] setpgid(0, 0)               = 0
[pid 25898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25898] write(3, "1000", 4)         = 4
[pid 25898] close(3)                    = 0
executing program
[pid 25898] write(1, "executing program\n", 18) = 18
[pid 25898] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25898] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25898] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25898] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25898] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25898] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25898] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25898] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25898] exit_group(0)               = ?
[pid 25898] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25898, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25899 attached
, child_tidptr=0x555555f76650) = 25899
[pid 25899] set_robust_list(0x555555f76660, 24) = 0
[pid 25899] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25899] setpgid(0, 0)               = 0
[pid 25899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25899] write(3, "1000", 4executing program
)         = 4
[pid 25899] close(3)                    = 0
[pid 25899] write(1, "executing program\n", 18) = 18
[pid 25899] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25899] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25899] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25899] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25899] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25899] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25899] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25899] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25899] exit_group(0)               = ?
[pid 25899] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25899, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25900
./strace-static-x86_64: Process 25900 attached
[pid 25900] set_robust_list(0x555555f76660, 24) = 0
[pid 25900] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25900] setpgid(0, 0)               = 0
[pid 25900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25900] write(3, "1000", 4)         = 4
[pid 25900] close(3executing program
)                    = 0
[pid 25900] write(1, "executing program\n", 18) = 18
[pid 25900] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25900] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25900] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25900] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25900] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25900] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25900] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25900] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25900] exit_group(0)               = ?
[pid 25900] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25900, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25901 attached
, child_tidptr=0x555555f76650) = 25901
[pid 25901] set_robust_list(0x555555f76660, 24) = 0
[pid 25901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25901] setpgid(0, 0)               = 0
[pid 25901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25901] write(3, "1000", 4)         = 4
[pid 25901] close(3)                    = 0
[pid 25901] write(1, "executing program\n", 18executing program
) = 18
[pid 25901] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25901] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25901] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25901] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25901] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25901] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25901] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25901] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25901] exit_group(0)               = ?
[pid 25901] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25901, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25902
./strace-static-x86_64: Process 25902 attached
[pid 25902] set_robust_list(0x555555f76660, 24) = 0
[pid 25902] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25902] setpgid(0, 0)               = 0
[pid 25902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25902] write(3, "1000", 4)         = 4
[pid 25902] close(3)                    = 0
executing program
[pid 25902] write(1, "executing program\n", 18) = 18
[pid 25902] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25902] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25902] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25902] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25902] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25902] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25902] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25902] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25902] exit_group(0)               = ?
[pid 25902] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25902, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25903 attached
, child_tidptr=0x555555f76650) = 25903
[pid 25903] set_robust_list(0x555555f76660, 24) = 0
[pid 25903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25903] setpgid(0, 0)               = 0
[pid 25903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25903] write(3, "1000", 4)         = 4
[pid 25903] close(3)                    = 0
executing program
[pid 25903] write(1, "executing program\n", 18) = 18
[pid 25903] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25903] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25903] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25903] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25903] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25903] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25903] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25903] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25903] exit_group(0)               = ?
[pid 25903] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25903, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25904
./strace-static-x86_64: Process 25904 attached
[pid 25904] set_robust_list(0x555555f76660, 24) = 0
[pid 25904] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25904] setpgid(0, 0)               = 0
[pid 25904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25904] write(3, "1000", 4)         = 4
executing program
[pid 25904] close(3)                    = 0
[pid 25904] write(1, "executing program\n", 18) = 18
[pid 25904] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25904] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25904] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25904] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25904] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25904] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25904] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25904] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25904] exit_group(0)               = ?
[pid 25904] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25904, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25905 attached
, child_tidptr=0x555555f76650) = 25905
[pid 25905] set_robust_list(0x555555f76660, 24) = 0
[pid 25905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25905] setpgid(0, 0)               = 0
[pid 25905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25905] write(3, "1000", 4)         = 4
[pid 25905] close(3)                    = 0
executing program
[pid 25905] write(1, "executing program\n", 18) = 18
[pid 25905] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25905] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25905] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25905] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25905] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25905] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25905] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25905] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25905] exit_group(0)               = ?
[pid 25905] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25905, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25906
./strace-static-x86_64: Process 25906 attached
[pid 25906] set_robust_list(0x555555f76660, 24) = 0
[pid 25906] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25906] setpgid(0, 0)               = 0
[pid 25906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25906] write(3, "1000", 4)         = 4
[pid 25906] close(3)                    = 0
[pid 25906] write(1, "executing program\n", 18executing program
) = 18
[pid 25906] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25906] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25906] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25906] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25906] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25906] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25906] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25906] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25906] exit_group(0)               = ?
[pid 25906] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25906, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25907
./strace-static-x86_64: Process 25907 attached
[pid 25907] set_robust_list(0x555555f76660, 24) = 0
[pid 25907] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25907] setpgid(0, 0)               = 0
[pid 25907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25907] write(3, "1000", 4)         = 4
[pid 25907] close(3)                    = 0
executing program
[pid 25907] write(1, "executing program\n", 18) = 18
[pid 25907] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25907] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25907] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25907] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25907] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25907] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25907] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25907] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25907] exit_group(0)               = ?
[pid 25907] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25907, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25908 attached
, child_tidptr=0x555555f76650) = 25908
[pid 25908] set_robust_list(0x555555f76660, 24) = 0
[pid 25908] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25908] setpgid(0, 0)               = 0
[pid 25908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25908] write(3, "1000", 4)         = 4
[pid 25908] close(3)                    = 0
[pid 25908] write(1, "executing program\n", 18executing program
) = 18
[pid 25908] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25908] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25908] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25908] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25908] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25908] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25908] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25908] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25908] exit_group(0)               = ?
[pid 25908] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25908, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25909
./strace-static-x86_64: Process 25909 attached
[pid 25909] set_robust_list(0x555555f76660, 24) = 0
[pid 25909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25909] setpgid(0, 0)               = 0
[pid 25909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25909] write(3, "1000", 4)         = 4
[pid 25909] close(3)                    = 0
[pid 25909] write(1, "executing program\n", 18executing program
) = 18
[pid 25909] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25909] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25909] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25909] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25909] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25909] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25909] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25909] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25909] exit_group(0)               = ?
[pid 25909] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25909, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25910
./strace-static-x86_64: Process 25910 attached
[pid 25910] set_robust_list(0x555555f76660, 24) = 0
[pid 25910] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25910] setpgid(0, 0)               = 0
[pid 25910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25910] write(3, "1000", 4)         = 4
[pid 25910] close(3executing program
)                    = 0
[pid 25910] write(1, "executing program\n", 18) = 18
[pid 25910] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25910] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25910] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25910] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25910] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25910] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25910] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25910] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25910] exit_group(0)               = ?
[pid 25910] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25910, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25911 attached
, child_tidptr=0x555555f76650) = 25911
[pid 25911] set_robust_list(0x555555f76660, 24) = 0
[pid 25911] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25911] setpgid(0, 0)               = 0
[pid 25911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25911] write(3, "1000", 4)         = 4
[pid 25911] close(3)                    = 0
executing program
[pid 25911] write(1, "executing program\n", 18) = 18
[pid 25911] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25911] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25911] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25911] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25911] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25911] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25911] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25911] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25911] exit_group(0)               = ?
[pid 25911] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25911, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25912 attached
, child_tidptr=0x555555f76650) = 25912
[pid 25912] set_robust_list(0x555555f76660, 24) = 0
[pid 25912] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25912] setpgid(0, 0)               = 0
[pid 25912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25912] write(3, "1000", 4)         = 4
[pid 25912] close(3executing program
)                    = 0
[pid 25912] write(1, "executing program\n", 18) = 18
[pid 25912] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25912] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25912] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25912] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25912] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25912] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25912] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25912] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25912] exit_group(0)               = ?
[pid 25912] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25912, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25913
./strace-static-x86_64: Process 25913 attached
[pid 25913] set_robust_list(0x555555f76660, 24) = 0
[pid 25913] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25913] setpgid(0, 0)               = 0
[pid 25913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25913] write(3, "1000", 4)         = 4
[pid 25913] close(3)                    = 0
executing program
[pid 25913] write(1, "executing program\n", 18) = 18
[pid 25913] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25913] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25913] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25913] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25913] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25913] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25913] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25913] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25913] exit_group(0)               = ?
[pid 25913] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25913, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25914 attached
, child_tidptr=0x555555f76650) = 25914
[pid 25914] set_robust_list(0x555555f76660, 24) = 0
[pid 25914] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25914] setpgid(0, 0)               = 0
[pid 25914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25914] write(3, "1000", 4)         = 4
[pid 25914] close(3)                    = 0
[pid 25914] write(1, "executing program\n", 18executing program
) = 18
[pid 25914] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25914] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25914] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25914] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25914] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25914] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25914] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25914] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25914] exit_group(0)               = ?
[pid 25914] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25914, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25915 attached
, child_tidptr=0x555555f76650) = 25915
[pid 25915] set_robust_list(0x555555f76660, 24) = 0
[pid 25915] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25915] setpgid(0, 0)               = 0
[pid 25915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25915] write(3, "1000", 4)         = 4
[pid 25915] close(3)                    = 0
[pid 25915] write(1, "executing program\n", 18) = 18
[pid 25915] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25915] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25915] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25915] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25915] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25915] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25915] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25915] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25915] exit_group(0)               = ?
[pid 25915] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25915, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25916
./strace-static-x86_64: Process 25916 attached
[pid 25916] set_robust_list(0x555555f76660, 24) = 0
[pid 25916] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25916] setpgid(0, 0)               = 0
[pid 25916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25916] write(3, "1000", 4)         = 4
executing program
[pid 25916] close(3)                    = 0
[pid 25916] write(1, "executing program\n", 18) = 18
[pid 25916] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25916] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25916] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25916] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25916] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25916] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25916] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25916] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25916] exit_group(0)               = ?
[pid 25916] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25916, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25917 attached
, child_tidptr=0x555555f76650) = 25917
[pid 25917] set_robust_list(0x555555f76660, 24) = 0
[pid 25917] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25917] setpgid(0, 0)               = 0
[pid 25917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25917] write(3, "1000", 4)         = 4
[pid 25917] close(3)                    = 0
executing program
[pid 25917] write(1, "executing program\n", 18) = 18
[pid 25917] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25917] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25917] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25917] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25917] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25917] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25917] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25917] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25917] exit_group(0)               = ?
[pid 25917] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25917, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25918 attached
, child_tidptr=0x555555f76650) = 25918
[pid 25918] set_robust_list(0x555555f76660, 24) = 0
[pid 25918] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25918] setpgid(0, 0)               = 0
[pid 25918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25918] write(3, "1000", 4)         = 4
[pid 25918] close(3executing program
)                    = 0
[pid 25918] write(1, "executing program\n", 18) = 18
[pid 25918] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25918] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25918] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25918] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25918] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25918] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25918] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25918] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25918] exit_group(0)               = ?
[pid 25918] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25918, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25919 attached
, child_tidptr=0x555555f76650) = 25919
[pid 25919] set_robust_list(0x555555f76660, 24) = 0
[pid 25919] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25919] setpgid(0, 0)               = 0
[pid 25919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25919] write(3, "1000", 4executing program
)         = 4
[pid 25919] close(3)                    = 0
[pid 25919] write(1, "executing program\n", 18) = 18
[pid 25919] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25919] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25919] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25919] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25919] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25919] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25919] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25919] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25919] exit_group(0)               = ?
[pid 25919] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25919, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25920 attached
, child_tidptr=0x555555f76650) = 25920
[pid 25920] set_robust_list(0x555555f76660, 24) = 0
[pid 25920] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25920] setpgid(0, 0)               = 0
[pid 25920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25920] write(3, "1000", 4)         = 4
[pid 25920] close(3)                    = 0
[pid 25920] write(1, "executing program\n", 18executing program
) = 18
[pid 25920] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25920] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25920] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25920] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25920] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25920] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25920] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25920] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25920] exit_group(0)               = ?
[pid 25920] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25920, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25921 attached
, child_tidptr=0x555555f76650) = 25921
[pid 25921] set_robust_list(0x555555f76660, 24) = 0
[pid 25921] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25921] setpgid(0, 0)               = 0
[pid 25921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25921] write(3, "1000", 4)         = 4
[pid 25921] close(3)                    = 0
[pid 25921] write(1, "executing program\n", 18) = 18
[pid 25921] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25921] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25921] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25921] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25921] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25921] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25921] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25921] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25921] exit_group(0)               = ?
[pid 25921] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25921, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25922 attached
, child_tidptr=0x555555f76650) = 25922
[pid 25922] set_robust_list(0x555555f76660, 24) = 0
[pid 25922] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25922] setpgid(0, 0)               = 0
[pid 25922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25922] write(3, "1000", 4)         = 4
[pid 25922] close(3executing program
)                    = 0
[pid 25922] write(1, "executing program\n", 18) = 18
[pid 25922] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25922] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25922] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25922] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25922] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25922] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25922] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25922] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25922] exit_group(0)               = ?
[pid 25922] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25922, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25923
./strace-static-x86_64: Process 25923 attached
[pid 25923] set_robust_list(0x555555f76660, 24) = 0
[pid 25923] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25923] setpgid(0, 0)               = 0
[pid 25923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25923] write(3, "1000", 4)         = 4
[pid 25923] close(3executing program
)                    = 0
[pid 25923] write(1, "executing program\n", 18) = 18
[pid 25923] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25923] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25923] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25923] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25923] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25923] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25923] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25923] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25923] exit_group(0)               = ?
[pid 25923] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25923, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25924 attached
, child_tidptr=0x555555f76650) = 25924
[pid 25924] set_robust_list(0x555555f76660, 24) = 0
[pid 25924] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25924] setpgid(0, 0)               = 0
[pid 25924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25924] write(3, "1000", 4)         = 4
[pid 25924] close(3)                    = 0
[pid 25924] write(1, "executing program\n", 18executing program
) = 18
[pid 25924] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25924] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25924] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25924] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25924] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25924] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25924] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25924] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25924] exit_group(0)               = ?
[pid 25924] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25924, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25925 attached
, child_tidptr=0x555555f76650) = 25925
[pid 25925] set_robust_list(0x555555f76660, 24) = 0
[pid 25925] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25925] setpgid(0, 0)               = 0
[pid 25925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25925] write(3, "1000", 4)         = 4
[pid 25925] close(3executing program
)                    = 0
[pid 25925] write(1, "executing program\n", 18) = 18
[pid 25925] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25925] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25925] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25925] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25925] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25925] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25925] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25925] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25925] exit_group(0)               = ?
[pid 25925] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25925, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25926 attached
, child_tidptr=0x555555f76650) = 25926
[pid 25926] set_robust_list(0x555555f76660, 24) = 0
[pid 25926] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25926] setpgid(0, 0)               = 0
[pid 25926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25926] write(3, "1000", 4)         = 4
[pid 25926] close(3)                    = 0
executing program
[pid 25926] write(1, "executing program\n", 18) = 18
[pid 25926] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25926] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25926] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25926] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25926] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25926] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25926] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25926] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25926] exit_group(0)               = ?
[pid 25926] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25926, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25927
./strace-static-x86_64: Process 25927 attached
[pid 25927] set_robust_list(0x555555f76660, 24) = 0
[pid 25927] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25927] setpgid(0, 0)               = 0
[pid 25927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25927] write(3, "1000", 4)         = 4
[pid 25927] close(3)                    = 0
[pid 25927] write(1, "executing program\n", 18executing program
) = 18
[pid 25927] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25927] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25927] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25927] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25927] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25927] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25927] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25927] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25927] exit_group(0)               = ?
[pid 25927] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25927, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25928 attached
, child_tidptr=0x555555f76650) = 25928
[pid 25928] set_robust_list(0x555555f76660, 24) = 0
[pid 25928] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25928] setpgid(0, 0)               = 0
[pid 25928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25928] write(3, "1000", 4)         = 4
[pid 25928] close(3)                    = 0
executing program
[pid 25928] write(1, "executing program\n", 18) = 18
[pid 25928] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25928] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25928] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25928] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25928] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25928] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25928] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25928] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25928] exit_group(0)               = ?
[pid 25928] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25928, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25929
./strace-static-x86_64: Process 25929 attached
[pid 25929] set_robust_list(0x555555f76660, 24) = 0
[pid 25929] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25929] setpgid(0, 0)               = 0
[pid 25929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25929] write(3, "1000", 4)         = 4
[pid 25929] close(3)                    = 0
[pid 25929] write(1, "executing program\n", 18executing program
) = 18
[pid 25929] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25929] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25929] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25929] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25929] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25929] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25929] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25929] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25929] exit_group(0)               = ?
[pid 25929] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25929, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25930
./strace-static-x86_64: Process 25930 attached
[pid 25930] set_robust_list(0x555555f76660, 24) = 0
[pid 25930] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25930] setpgid(0, 0)               = 0
[pid 25930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25930] write(3, "1000", 4executing program
)         = 4
[pid 25930] close(3)                    = 0
[pid 25930] write(1, "executing program\n", 18) = 18
[pid 25930] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25930] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25930] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25930] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25930] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25930] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25930] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25930] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25930] exit_group(0)               = ?
[pid 25930] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25930, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25931
./strace-static-x86_64: Process 25931 attached
[pid 25931] set_robust_list(0x555555f76660, 24) = 0
[pid 25931] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25931] setpgid(0, 0)               = 0
[pid 25931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25931] write(3, "1000", 4)         = 4
[pid 25931] close(3)                    = 0
[pid 25931] write(1, "executing program\n", 18executing program
) = 18
[pid 25931] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25931] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25931] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25931] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25931] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25931] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25931] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25931] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25931] exit_group(0)               = ?
[pid 25931] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25931, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25932 attached
, child_tidptr=0x555555f76650) = 25932
[pid 25932] set_robust_list(0x555555f76660, 24) = 0
[pid 25932] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25932] setpgid(0, 0)               = 0
[pid 25932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25932] write(3, "1000", 4)         = 4
[pid 25932] close(3)                    = 0
[pid 25932] write(1, "executing program\n", 18executing program
) = 18
[pid 25932] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25932] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25932] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25932] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25932] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25932] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25932] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25932] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25932] exit_group(0)               = ?
[pid 25932] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25932, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25933 attached
, child_tidptr=0x555555f76650) = 25933
[pid 25933] set_robust_list(0x555555f76660, 24) = 0
[pid 25933] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25933] setpgid(0, 0)               = 0
[pid 25933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25933] write(3, "1000", 4)         = 4
[pid 25933] close(3)                    = 0
[pid 25933] write(1, "executing program\n", 18executing program
) = 18
[pid 25933] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25933] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25933] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25933] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25933] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25933] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25933] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25933] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25933] exit_group(0)               = ?
[pid 25933] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25933, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25934 attached
, child_tidptr=0x555555f76650) = 25934
[pid 25934] set_robust_list(0x555555f76660, 24) = 0
[pid 25934] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25934] setpgid(0, 0)               = 0
[pid 25934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25934] write(3, "1000", 4)         = 4
[pid 25934] close(3)                    = 0
[pid 25934] write(1, "executing program\n", 18executing program
) = 18
[pid 25934] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25934] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25934] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25934] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25934] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25934] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25934] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25934] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25934] exit_group(0)               = ?
[pid 25934] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25934, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25935 attached
, child_tidptr=0x555555f76650) = 25935
[pid 25935] set_robust_list(0x555555f76660, 24) = 0
[pid 25935] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25935] setpgid(0, 0)               = 0
[pid 25935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25935] write(3, "1000", 4)         = 4
[pid 25935] close(3)                    = 0
executing program
[pid 25935] write(1, "executing program\n", 18) = 18
[pid 25935] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25935] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25935] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25935] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25935] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25935] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25935] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25935] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25935] exit_group(0)               = ?
[pid 25935] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25935, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25936
./strace-static-x86_64: Process 25936 attached
[pid 25936] set_robust_list(0x555555f76660, 24) = 0
[pid 25936] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25936] setpgid(0, 0)               = 0
[pid 25936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25936] write(3, "1000", 4)         = 4
[pid 25936] close(3executing program
)                    = 0
[pid 25936] write(1, "executing program\n", 18) = 18
[pid 25936] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25936] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25936] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25936] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25936] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25936] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25936] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25936] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25936] exit_group(0)               = ?
[pid 25936] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25936, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25937 attached
, child_tidptr=0x555555f76650) = 25937
[pid 25937] set_robust_list(0x555555f76660, 24) = 0
[pid 25937] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25937] setpgid(0, 0)               = 0
[pid 25937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25937] write(3, "1000", 4)         = 4
[pid 25937] close(3)                    = 0
[pid 25937] write(1, "executing program\n", 18executing program
) = 18
[pid 25937] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25937] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25937] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25937] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25937] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25937] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25937] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25937] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25937] exit_group(0)               = ?
[pid 25937] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25937, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>executing program
) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25938 attached
, child_tidptr=0x555555f76650) = 25938
[pid 25938] set_robust_list(0x555555f76660, 24) = 0
[pid 25938] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25938] setpgid(0, 0)               = 0
[pid 25938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25938] write(3, "1000", 4)         = 4
[pid 25938] close(3)                    = 0
[pid 25938] write(1, "executing program\n", 18) = 18
[pid 25938] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25938] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25938] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25938] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25938] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25938] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25938] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25938] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25938] exit_group(0)               = ?
[pid 25938] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25938, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>executing program
) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25940 attached
, child_tidptr=0x555555f76650) = 25940
[pid 25940] set_robust_list(0x555555f76660, 24) = 0
[pid 25940] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25940] setpgid(0, 0)               = 0
[pid 25940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25940] write(3, "1000", 4)         = 4
[pid 25940] close(3)                    = 0
[pid 25940] write(1, "executing program\n", 18) = 18
[pid 25940] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25940] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25940] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25940] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25940] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25940] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25940] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25940] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25940] exit_group(0)               = ?
[pid 25940] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25940, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25941 attached
, child_tidptr=0x555555f76650) = 25941
[pid 25941] set_robust_list(0x555555f76660, 24) = 0
[pid 25941] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25941] setpgid(0, 0)               = 0
[pid 25941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25941] write(3, "1000", 4)         = 4
[pid 25941] close(3executing program
)                    = 0
[pid 25941] write(1, "executing program\n", 18) = 18
[pid 25941] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25941] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25941] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25941] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25941] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25941] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25941] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25941] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25941] exit_group(0)               = ?
[pid 25941] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25941, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25942 attached
, child_tidptr=0x555555f76650) = 25942
[pid 25942] set_robust_list(0x555555f76660, 24) = 0
[pid 25942] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25942] setpgid(0, 0)               = 0
[pid 25942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25942] write(3, "1000", 4)         = 4
[pid 25942] close(3executing program
)                    = 0
[pid 25942] write(1, "executing program\n", 18) = 18
[pid 25942] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25942] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25942] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25942] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25942] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25942] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25942] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25942] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25942] exit_group(0)               = ?
[pid 25942] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25942, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25943 attached
, child_tidptr=0x555555f76650) = 25943
[pid 25943] set_robust_list(0x555555f76660, 24) = 0
[pid 25943] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25943] setpgid(0, 0)               = 0
[pid 25943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25943] write(3, "1000", 4)         = 4
[pid 25943] close(3)                    = 0
executing program
[pid 25943] write(1, "executing program\n", 18) = 18
[pid 25943] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25943] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25943] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25943] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25943] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25943] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25943] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25943] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25943] exit_group(0)               = ?
[pid 25943] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25943, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25944
./strace-static-x86_64: Process 25944 attached
[pid 25944] set_robust_list(0x555555f76660, 24) = 0
[pid 25944] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25944] setpgid(0, 0)               = 0
[pid 25944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25944] write(3, "1000", 4)         = 4
[pid 25944] close(3executing program
)                    = 0
[pid 25944] write(1, "executing program\n", 18) = 18
[pid 25944] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25944] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25944] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25944] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25944] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25944] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25944] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25944] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25944] exit_group(0)               = ?
[pid 25944] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25944, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25945
./strace-static-x86_64: Process 25945 attached
[pid 25945] set_robust_list(0x555555f76660, 24) = 0
[pid 25945] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25945] setpgid(0, 0)               = 0
[pid 25945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25945] write(3, "1000", 4)         = 4
[pid 25945] close(3)                    = 0
[pid 25945] write(1, "executing program\n", 18executing program
) = 18
[pid 25945] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25945] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25945] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25945] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25945] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25945] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25945] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25945] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25945] exit_group(0)               = ?
[pid 25945] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25945, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25946
./strace-static-x86_64: Process 25946 attached
[pid 25946] set_robust_list(0x555555f76660, 24) = 0
[pid 25946] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25946] setpgid(0, 0)               = 0
[pid 25946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25946] write(3, "1000", 4)         = 4
[pid 25946] close(3)                    = 0
executing program
[pid 25946] write(1, "executing program\n", 18) = 18
[pid 25946] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25946] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25946] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25946] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25946] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25946] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25946] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25946] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25946] exit_group(0)               = ?
[pid 25946] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25946, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25947 attached
, child_tidptr=0x555555f76650) = 25947
[pid 25947] set_robust_list(0x555555f76660, 24) = 0
[pid 25947] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25947] setpgid(0, 0)               = 0
[pid 25947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25947] write(3, "1000", 4)         = 4
[pid 25947] close(3)                    = 0
[pid 25947] write(1, "executing program\n", 18executing program
) = 18
[pid 25947] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25947] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25947] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25947] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25947] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25947] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25947] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25947] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25947] exit_group(0)               = ?
[pid 25947] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25947, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25948
./strace-static-x86_64: Process 25948 attached
[pid 25948] set_robust_list(0x555555f76660, 24) = 0
[pid 25948] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25948] setpgid(0, 0)               = 0
[pid 25948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25948] write(3, "1000", 4)         = 4
[pid 25948] close(3)                    = 0
executing program
[pid 25948] write(1, "executing program\n", 18) = 18
[pid 25948] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25948] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25948] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25948] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25948] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25948] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25948] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25948] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25948] exit_group(0)               = ?
[pid 25948] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25948, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25949 attached
, child_tidptr=0x555555f76650) = 25949
[pid 25949] set_robust_list(0x555555f76660, 24) = 0
[pid 25949] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25949] setpgid(0, 0)               = 0
[pid 25949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25949] write(3, "1000", 4)         = 4
[pid 25949] close(3)                    = 0
executing program
[pid 25949] write(1, "executing program\n", 18) = 18
[pid 25949] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25949] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25949] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25949] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25949] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25949] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25949] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25949] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25949] exit_group(0)               = ?
[pid 25949] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25949, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25950 attached
, child_tidptr=0x555555f76650) = 25950
[pid 25950] set_robust_list(0x555555f76660, 24) = 0
[pid 25950] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25950] setpgid(0, 0)               = 0
[pid 25950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25950] write(3, "1000", 4)         = 4
[pid 25950] close(3)                    = 0
executing program
[pid 25950] write(1, "executing program\n", 18) = 18
[pid 25950] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25950] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25950] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25950] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25950] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25950] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25950] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25950] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25950] exit_group(0)               = ?
[pid 25950] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25950, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25951
./strace-static-x86_64: Process 25951 attached
[pid 25951] set_robust_list(0x555555f76660, 24) = 0
[pid 25951] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25951] setpgid(0, 0)               = 0
[pid 25951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25951] write(3, "1000", 4)         = 4
[pid 25951] close(3)                    = 0
executing program
[pid 25951] write(1, "executing program\n", 18) = 18
[pid 25951] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25951] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25951] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25951] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25951] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25951] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25951] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25951] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25951] exit_group(0)               = ?
[pid 25951] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25951, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25952 attached
, child_tidptr=0x555555f76650) = 25952
[pid 25952] set_robust_list(0x555555f76660, 24) = 0
[pid 25952] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25952] setpgid(0, 0)               = 0
[pid 25952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25952] write(3, "1000", 4)         = 4
[pid 25952] close(3executing program
)                    = 0
[pid 25952] write(1, "executing program\n", 18) = 18
[pid 25952] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25952] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25952] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25952] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25952] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25952] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25952] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25952] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25952] exit_group(0)               = ?
[pid 25952] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25952, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25953 attached
, child_tidptr=0x555555f76650) = 25953
[pid 25953] set_robust_list(0x555555f76660, 24) = 0
[pid 25953] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25953] setpgid(0, 0)               = 0
[pid 25953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25953] write(3, "1000", 4)         = 4
[pid 25953] close(3)                    = 0
[pid 25953] write(1, "executing program\n", 18executing program
) = 18
[pid 25953] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25953] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25953] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25953] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25953] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25953] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25953] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25953] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25953] exit_group(0)               = ?
[pid 25953] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25953, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25954 attached
, child_tidptr=0x555555f76650) = 25954
[pid 25954] set_robust_list(0x555555f76660, 24) = 0
[pid 25954] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25954] setpgid(0, 0)               = 0
[pid 25954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25954] write(3, "1000", 4)         = 4
[pid 25954] close(3)                    = 0
[pid 25954] write(1, "executing program\n", 18executing program
) = 18
[pid 25954] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25954] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25954] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25954] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25954] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25954] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25954] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25954] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25954] exit_group(0)               = ?
[pid 25954] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25954, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25955 attached
, child_tidptr=0x555555f76650) = 25955
[pid 25955] set_robust_list(0x555555f76660, 24) = 0
[pid 25955] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25955] setpgid(0, 0)               = 0
[pid 25955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25955] write(3, "1000", 4)         = 4
[pid 25955] close(3)                    = 0
[pid 25955] write(1, "executing program\n", 18) = 18
[pid 25955] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25955] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25955] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25955] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25955] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25955] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25955] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25955] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25955] exit_group(0)               = ?
[pid 25955] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25955, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25956
./strace-static-x86_64: Process 25956 attached
[pid 25956] set_robust_list(0x555555f76660, 24) = 0
[pid 25956] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25956] setpgid(0, 0)               = 0
[pid 25956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25956] write(3, "1000", 4)         = 4
[pid 25956] close(3)                    = 0
[pid 25956] write(1, "executing program\n", 18executing program
) = 18
[pid 25956] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25956] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25956] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25956] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25956] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25956] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25956] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25956] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25956] exit_group(0)               = ?
[pid 25956] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25956, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25957
./strace-static-x86_64: Process 25957 attached
[pid 25957] set_robust_list(0x555555f76660, 24) = 0
[pid 25957] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25957] setpgid(0, 0)               = 0
[pid 25957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25957] write(3, "1000", 4)         = 4
[pid 25957] close(3)                    = 0
[pid 25957] write(1, "executing program\n", 18executing program
) = 18
[pid 25957] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25957] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25957] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25957] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25957] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25957] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25957] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25957] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25957] exit_group(0)               = ?
[pid 25957] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25957, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25958 attached
, child_tidptr=0x555555f76650) = 25958
[pid 25958] set_robust_list(0x555555f76660, 24) = 0
[pid 25958] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25958] setpgid(0, 0)               = 0
[pid 25958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25958] write(3, "1000", 4)         = 4
[pid 25958] close(3)                    = 0
executing program
[pid 25958] write(1, "executing program\n", 18) = 18
[pid 25958] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25958] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25958] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25958] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25958] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25958] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25958] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25958] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25958] exit_group(0)               = ?
[pid 25958] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25958, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25959 attached
, child_tidptr=0x555555f76650) = 25959
[pid 25959] set_robust_list(0x555555f76660, 24) = 0
[pid 25959] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25959] setpgid(0, 0)               = 0
[pid 25959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25959] write(3, "1000", 4)         = 4
[pid 25959] close(3)                    = 0
[pid 25959] write(1, "executing program\n", 18executing program
) = 18
[pid 25959] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25959] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25959] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25959] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25959] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25959] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25959] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25959] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25959] exit_group(0)               = ?
[pid 25959] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25959, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25960
./strace-static-x86_64: Process 25960 attached
[pid 25960] set_robust_list(0x555555f76660, 24) = 0
[pid 25960] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25960] setpgid(0, 0)               = 0
[pid 25960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25960] write(3, "1000", 4)         = 4
[pid 25960] close(3executing program
)                    = 0
[pid 25960] write(1, "executing program\n", 18) = 18
[pid 25960] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25960] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25960] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25960] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25960] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25960] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25960] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25960] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25960] exit_group(0)               = ?
[pid 25960] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25960, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25961 attached
, child_tidptr=0x555555f76650) = 25961
[pid 25961] set_robust_list(0x555555f76660, 24) = 0
[pid 25961] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25961] setpgid(0, 0)               = 0
[pid 25961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25961] write(3, "1000", 4)         = 4
[pid 25961] close(3)                    = 0
[pid 25961] write(1, "executing program\n", 18) = 18
[pid 25961] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25961] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25961] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25961] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25961] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25961] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25961] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25961] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25961] exit_group(0)               = ?
[pid 25961] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25961, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25962 attached
, child_tidptr=0x555555f76650) = 25962
[pid 25962] set_robust_list(0x555555f76660, 24) = 0
[pid 25962] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25962] setpgid(0, 0)               = 0
[pid 25962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25962] write(3, "1000", 4)         = 4
[pid 25962] close(3)                    = 0
[pid 25962] write(1, "executing program\n", 18) = 18
[pid 25962] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25962] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25962] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25962] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25962] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25962] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25962] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25962] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25962] exit_group(0)               = ?
[pid 25962] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25962, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25963 attached
, child_tidptr=0x555555f76650) = 25963
[pid 25963] set_robust_list(0x555555f76660, 24) = 0
[pid 25963] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25963] setpgid(0, 0)               = 0
[pid 25963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25963] write(3, "1000", 4)         = 4
[pid 25963] close(3)                    = 0
[pid 25963] write(1, "executing program\n", 18) = 18
[pid 25963] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25963] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25963] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25963] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25963] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25963] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25963] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25963] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25963] exit_group(0)               = ?
[pid 25963] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25963, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25964 attached
, child_tidptr=0x555555f76650) = 25964
[pid 25964] set_robust_list(0x555555f76660, 24) = 0
[pid 25964] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25964] setpgid(0, 0)               = 0
[pid 25964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25964] write(3, "1000", 4)         = 4
[pid 25964] close(3)                    = 0
[pid 25964] write(1, "executing program\n", 18executing program
) = 18
[pid 25964] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25964] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25964] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25964] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25964] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25964] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25964] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25964] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25964] exit_group(0)               = ?
[pid 25964] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25964, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25965 attached
, child_tidptr=0x555555f76650) = 25965
[pid 25965] set_robust_list(0x555555f76660, 24) = 0
[pid 25965] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25965] setpgid(0, 0)               = 0
[pid 25965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25965] write(3, "1000", 4)         = 4
[pid 25965] close(3)                    = 0
[pid 25965] write(1, "executing program\n", 18) = 18
[pid 25965] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25965] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25965] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25965] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25965] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25965] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25965] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25965] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25965] exit_group(0)               = ?
[pid 25965] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25965, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25966 attached
, child_tidptr=0x555555f76650) = 25966
[pid 25966] set_robust_list(0x555555f76660, 24) = 0
[pid 25966] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25966] setpgid(0, 0)               = 0
[pid 25966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25966] write(3, "1000", 4)         = 4
[pid 25966] close(3)                    = 0
[pid 25966] write(1, "executing program\n", 18executing program
) = 18
[pid 25966] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25966] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25966] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25966] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25966] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25966] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25966] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25966] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25966] exit_group(0)               = ?
[pid 25966] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25966, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25967 attached
, child_tidptr=0x555555f76650) = 25967
[pid 25967] set_robust_list(0x555555f76660, 24) = 0
[pid 25967] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25967] setpgid(0, 0)               = 0
[pid 25967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25967] write(3, "1000", 4)         = 4
[pid 25967] close(3)                    = 0
executing program
[pid 25967] write(1, "executing program\n", 18) = 18
[pid 25967] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25967] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25967] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25967] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25967] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25967] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25967] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25967] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25967] exit_group(0)               = ?
[pid 25967] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25967, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25968 attached
, child_tidptr=0x555555f76650) = 25968
[pid 25968] set_robust_list(0x555555f76660, 24) = 0
[pid 25968] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25968] setpgid(0, 0)               = 0
[pid 25968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25968] write(3, "1000", 4)         = 4
[pid 25968] close(3)                    = 0
[pid 25968] write(1, "executing program\n", 18executing program
) = 18
[pid 25968] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25968] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25968] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25968] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25968] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25968] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25968] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25968] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25968] exit_group(0)               = ?
[pid 25968] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25968, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25969
./strace-static-x86_64: Process 25969 attached
[pid 25969] set_robust_list(0x555555f76660, 24) = 0
[pid 25969] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25969] setpgid(0, 0)               = 0
[pid 25969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25969] write(3, "1000", 4)         = 4
[pid 25969] close(3executing program
)                    = 0
[pid 25969] write(1, "executing program\n", 18) = 18
[pid 25969] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25969] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25969] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25969] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25969] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25969] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25969] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25969] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25969] exit_group(0)               = ?
[pid 25969] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25969, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25970 attached
, child_tidptr=0x555555f76650) = 25970
[pid 25970] set_robust_list(0x555555f76660, 24) = 0
[pid 25970] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25970] setpgid(0, 0)               = 0
[pid 25970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25970] write(3, "1000", 4)         = 4
[pid 25970] close(3)                    = 0
[pid 25970] write(1, "executing program\n", 18executing program
) = 18
[pid 25970] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25970] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25970] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25970] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25970] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25970] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25970] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25970] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25970] exit_group(0)               = ?
[pid 25970] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25970, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25971 attached
, child_tidptr=0x555555f76650) = 25971
[pid 25971] set_robust_list(0x555555f76660, 24) = 0
[pid 25971] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25971] setpgid(0, 0)               = 0
[pid 25971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25971] write(3, "1000", 4)         = 4
[pid 25971] close(3)                    = 0
[pid 25971] write(1, "executing program\n", 18executing program
) = 18
[pid 25971] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25971] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25971] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25971] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25971] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25971] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25971] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25971] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25971] exit_group(0)               = ?
[pid 25971] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25971, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25972
./strace-static-x86_64: Process 25972 attached
[pid 25972] set_robust_list(0x555555f76660, 24) = 0
[pid 25972] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25972] setpgid(0, 0)               = 0
[pid 25972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25972] write(3, "1000", 4executing program
)         = 4
[pid 25972] close(3)                    = 0
[pid 25972] write(1, "executing program\n", 18) = 18
[pid 25972] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25972] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25972] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25972] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25972] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25972] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25972] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25972] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25972] exit_group(0)               = ?
[pid 25972] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25972, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25973 attached
, child_tidptr=0x555555f76650) = 25973
[pid 25973] set_robust_list(0x555555f76660, 24) = 0
[pid 25973] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25973] setpgid(0, 0)               = 0
[pid 25973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25973] write(3, "1000", 4)         = 4
[pid 25973] close(3)                    = 0
[pid 25973] write(1, "executing program\n", 18executing program
) = 18
[pid 25973] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25973] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25973] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25973] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25973] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25973] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25973] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25973] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25973] exit_group(0)               = ?
[pid 25973] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25973, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25974 attached
, child_tidptr=0x555555f76650) = 25974
[pid 25974] set_robust_list(0x555555f76660, 24) = 0
[pid 25974] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25974] setpgid(0, 0)               = 0
[pid 25974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25974] write(3, "1000", 4)         = 4
[pid 25974] close(3)                    = 0
[pid 25974] write(1, "executing program\n", 18executing program
) = 18
[pid 25974] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25974] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25974] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25974] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25974] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25974] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25974] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25974] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25974] exit_group(0)               = ?
[pid 25974] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25974, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25975 attached
, child_tidptr=0x555555f76650) = 25975
[pid 25975] set_robust_list(0x555555f76660, 24) = 0
[pid 25975] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25975] setpgid(0, 0)               = 0
[pid 25975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25975] write(3, "1000", 4)         = 4
[pid 25975] close(3)                    = 0
[pid 25975] write(1, "executing program\n", 18executing program
) = 18
[pid 25975] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25975] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25975] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25975] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25975] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25975] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25975] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25975] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25975] exit_group(0)               = ?
[pid 25975] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25975, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25976
./strace-static-x86_64: Process 25976 attached
[pid 25976] set_robust_list(0x555555f76660, 24) = 0
[pid 25976] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25976] setpgid(0, 0)               = 0
[pid 25976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25976] write(3, "1000", 4)         = 4
[pid 25976] close(3)                    = 0
executing program
[pid 25976] write(1, "executing program\n", 18) = 18
[pid 25976] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25976] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25976] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25976] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25976] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25976] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25976] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25976] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25976] exit_group(0)               = ?
[pid 25976] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25976, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25977
./strace-static-x86_64: Process 25977 attached
[pid 25977] set_robust_list(0x555555f76660, 24) = 0
[pid 25977] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25977] setpgid(0, 0)               = 0
[pid 25977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25977] write(3, "1000", 4)         = 4
[pid 25977] close(3)                    = 0
executing program
[pid 25977] write(1, "executing program\n", 18) = 18
[pid 25977] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25977] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25977] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25977] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25977] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25977] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25977] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25977] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25977] exit_group(0)               = ?
[pid 25977] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25977, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25978
./strace-static-x86_64: Process 25978 attached
[pid 25978] set_robust_list(0x555555f76660, 24) = 0
[pid 25978] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25978] setpgid(0, 0)               = 0
[pid 25978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25978] write(3, "1000", 4)         = 4
[pid 25978] close(3)                    = 0
[pid 25978] write(1, "executing program\n", 18executing program
) = 18
[pid 25978] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25978] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25978] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25978] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25978] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25978] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25978] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25978] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25978] exit_group(0)               = ?
[pid 25978] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25978, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25979 attached
, child_tidptr=0x555555f76650) = 25979
[pid 25979] set_robust_list(0x555555f76660, 24) = 0
[pid 25979] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25979] setpgid(0, 0)               = 0
[pid 25979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25979] write(3, "1000", 4)         = 4
[pid 25979] close(3)                    = 0
[pid 25979] write(1, "executing program\n", 18executing program
) = 18
[pid 25979] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25979] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25979] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25979] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25979] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25979] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25979] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25979] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25979] exit_group(0)               = ?
[pid 25979] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25979, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25980 attached
, child_tidptr=0x555555f76650) = 25980
[pid 25980] set_robust_list(0x555555f76660, 24) = 0
[pid 25980] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25980] setpgid(0, 0)               = 0
[pid 25980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25980] write(3, "1000", 4)         = 4
[pid 25980] close(3)                    = 0
[pid 25980] write(1, "executing program\n", 18) = 18
[pid 25980] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25980] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25980] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25980] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25980] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25980] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25980] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25980] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25980] exit_group(0)               = ?
[pid 25980] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25980, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25981 attached
, child_tidptr=0x555555f76650) = 25981
[pid 25981] set_robust_list(0x555555f76660, 24) = 0
[pid 25981] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25981] setpgid(0, 0)               = 0
[pid 25981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25981] write(3, "1000", 4)         = 4
[pid 25981] close(3)                    = 0
executing program
[pid 25981] write(1, "executing program\n", 18) = 18
[pid 25981] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25981] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25981] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25981] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25981] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25981] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25981] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25981] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25981] exit_group(0)               = ?
[pid 25981] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25981, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25982 attached
, child_tidptr=0x555555f76650) = 25982
[pid 25982] set_robust_list(0x555555f76660, 24) = 0
[pid 25982] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25982] setpgid(0, 0)               = 0
[pid 25982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25982] write(3, "1000", 4)         = 4
[pid 25982] close(3)                    = 0
[pid 25982] write(1, "executing program\n", 18executing program
) = 18
[pid 25982] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25982] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25982] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25982] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25982] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25982] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25982] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25982] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25982] exit_group(0)               = ?
[pid 25982] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25982, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25983
./strace-static-x86_64: Process 25983 attached
[pid 25983] set_robust_list(0x555555f76660, 24) = 0
[pid 25983] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25983] setpgid(0, 0)               = 0
[pid 25983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25983] write(3, "1000", 4)         = 4
[pid 25983] close(3executing program
)                    = 0
[pid 25983] write(1, "executing program\n", 18) = 18
[pid 25983] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25983] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25983] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25983] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25983] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25983] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25983] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25983] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25983] exit_group(0)               = ?
[pid 25983] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25983, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25984 attached
, child_tidptr=0x555555f76650) = 25984
[pid 25984] set_robust_list(0x555555f76660, 24) = 0
[pid 25984] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25984] setpgid(0, 0)               = 0
[pid 25984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25984] write(3, "1000", 4)         = 4
[pid 25984] close(3)                    = 0
[pid 25984] write(1, "executing program\n", 18executing program
) = 18
[pid 25984] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25984] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25984] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25984] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25984] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25984] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25984] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25984] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25984] exit_group(0)               = ?
[pid 25984] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25984, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25985
./strace-static-x86_64: Process 25985 attached
[pid 25985] set_robust_list(0x555555f76660, 24) = 0
[pid 25985] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25985] setpgid(0, 0)               = 0
[pid 25985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25985] write(3, "1000", 4executing program
)         = 4
[pid 25985] close(3)                    = 0
[pid 25985] write(1, "executing program\n", 18) = 18
[pid 25985] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25985] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25985] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25985] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25985] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25985] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25985] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25985] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25985] exit_group(0)               = ?
[pid 25985] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25985, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25986 attached
, child_tidptr=0x555555f76650) = 25986
[pid 25986] set_robust_list(0x555555f76660, 24) = 0
[pid 25986] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25986] setpgid(0, 0)               = 0
[pid 25986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25986] write(3, "1000", 4)         = 4
[pid 25986] close(3)                    = 0
executing program
[pid 25986] write(1, "executing program\n", 18) = 18
[pid 25986] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25986] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25986] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25986] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25986] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25986] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25986] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25986] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25986] exit_group(0)               = ?
[pid 25986] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25986, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25987 attached
, child_tidptr=0x555555f76650) = 25987
[pid 25987] set_robust_list(0x555555f76660, 24) = 0
[pid 25987] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25987] setpgid(0, 0)               = 0
[pid 25987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25987] write(3, "1000", 4)         = 4
[pid 25987] close(3)                    = 0
[pid 25987] write(1, "executing program\n", 18executing program
) = 18
[pid 25987] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25987] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25987] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25987] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25987] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25987] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25987] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25987] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25987] exit_group(0)               = ?
[pid 25987] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25987, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25988 attached
, child_tidptr=0x555555f76650) = 25988
[pid 25988] set_robust_list(0x555555f76660, 24) = 0
[pid 25988] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25988] setpgid(0, 0)               = 0
[pid 25988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25988] write(3, "1000", 4)         = 4
[pid 25988] close(3)                    = 0
[pid 25988] write(1, "executing program\n", 18executing program
) = 18
[pid 25988] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25988] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25988] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25988] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25988] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25988] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25988] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25988] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25988] exit_group(0)               = ?
[pid 25988] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25988, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25989
./strace-static-x86_64: Process 25989 attached
[pid 25989] set_robust_list(0x555555f76660, 24) = 0
[pid 25989] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25989] setpgid(0, 0)               = 0
[pid 25989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25989] write(3, "1000", 4)         = 4
[pid 25989] close(3)                    = 0
executing program
[pid 25989] write(1, "executing program\n", 18) = 18
[pid 25989] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25989] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25989] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25989] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25989] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25989] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25989] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25989] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25989] exit_group(0)               = ?
[pid 25989] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25989, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25990
./strace-static-x86_64: Process 25990 attached
[pid 25990] set_robust_list(0x555555f76660, 24) = 0
[pid 25990] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25990] setpgid(0, 0)               = 0
[pid 25990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25990] write(3, "1000", 4)         = 4
[pid 25990] close(3)                    = 0
[pid 25990] write(1, "executing program\n", 18executing program
) = 18
[pid 25990] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25990] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25990] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25990] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25990] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25990] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25990] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25990] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25990] exit_group(0)               = ?
[pid 25990] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25990, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25991 attached
, child_tidptr=0x555555f76650) = 25991
[pid 25991] set_robust_list(0x555555f76660, 24) = 0
[pid 25991] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25991] setpgid(0, 0)               = 0
[pid 25991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25991] write(3, "1000", 4)         = 4
[pid 25991] close(3)                    = 0
[pid 25991] write(1, "executing program\n", 18executing program
) = 18
[pid 25991] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25991] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25991] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25991] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25991] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25991] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25991] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25991] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25991] exit_group(0)               = ?
[pid 25991] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25991, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25992
./strace-static-x86_64: Process 25992 attached
[pid 25992] set_robust_list(0x555555f76660, 24) = 0
[pid 25992] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25992] setpgid(0, 0)               = 0
[pid 25992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 25992] write(3, "1000", 4)         = 4
[pid 25992] close(3)                    = 0
[pid 25992] write(1, "executing program\n", 18) = 18
[pid 25992] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25992] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25992] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25992] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25992] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25992] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25992] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25992] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25992] exit_group(0)               = ?
[pid 25992] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25992, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25993 attached
, child_tidptr=0x555555f76650) = 25993
[pid 25993] set_robust_list(0x555555f76660, 24) = 0
[pid 25993] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25993] setpgid(0, 0)               = 0
[pid 25993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25993] write(3, "1000", 4)         = 4
[pid 25993] close(3)                    = 0
executing program
[pid 25993] write(1, "executing program\n", 18) = 18
[pid 25993] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25993] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25993] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25993] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25993] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25993] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25993] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25993] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25993] exit_group(0)               = ?
[pid 25993] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25993, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25994 attached
, child_tidptr=0x555555f76650) = 25994
[pid 25994] set_robust_list(0x555555f76660, 24) = 0
[pid 25994] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25994] setpgid(0, 0)               = 0
[pid 25994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25994] write(3, "1000", 4)         = 4
[pid 25994] close(3)                    = 0
[pid 25994] write(1, "executing program\n", 18executing program
) = 18
[pid 25994] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25994] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25994] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25994] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25994] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25994] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25994] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25994] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25994] exit_group(0)               = ?
[pid 25994] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25994, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 25995
./strace-static-x86_64: Process 25995 attached
[pid 25995] set_robust_list(0x555555f76660, 24) = 0
[pid 25995] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25995] setpgid(0, 0)               = 0
[pid 25995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25995] write(3, "1000", 4)         = 4
[pid 25995] close(3)                    = 0
executing program
[pid 25995] write(1, "executing program\n", 18) = 18
[pid 25995] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25995] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25995] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25995] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25995] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25995] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25995] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25995] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25995] exit_group(0)               = ?
[pid 25995] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25995, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25996 attached
, child_tidptr=0x555555f76650) = 25996
[pid 25996] set_robust_list(0x555555f76660, 24) = 0
[pid 25996] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25996] setpgid(0, 0)               = 0
[pid 25996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25996] write(3, "1000", 4)         = 4
[pid 25996] close(3executing program
)                    = 0
[pid 25996] write(1, "executing program\n", 18) = 18
[pid 25996] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25996] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25996] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25996] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25996] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25996] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25996] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25996] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25996] exit_group(0)               = ?
[pid 25996] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25996, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25997 attached
, child_tidptr=0x555555f76650) = 25997
[pid 25997] set_robust_list(0x555555f76660, 24) = 0
[pid 25997] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25997] setpgid(0, 0)               = 0
[pid 25997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25997] write(3, "1000", 4)         = 4
[pid 25997] close(3)                    = 0
executing program
[pid 25997] write(1, "executing program\n", 18) = 18
[pid 25997] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25997] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25997] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25997] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25997] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25997] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25997] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25997] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25997] exit_group(0)               = ?
[pid 25997] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25997, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25998 attached
, child_tidptr=0x555555f76650) = 25998
[pid 25998] set_robust_list(0x555555f76660, 24) = 0
[pid 25998] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25998] setpgid(0, 0)               = 0
[pid 25998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25998] write(3, "1000", 4)         = 4
[pid 25998] close(3)                    = 0
executing program
[pid 25998] write(1, "executing program\n", 18) = 18
[pid 25998] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25998] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25998] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25998] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25998] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25998] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25998] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25998] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25998] exit_group(0)               = ?
[pid 25998] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25998, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 25999 attached
, child_tidptr=0x555555f76650) = 25999
[pid 25999] set_robust_list(0x555555f76660, 24) = 0
[pid 25999] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 25999] setpgid(0, 0)               = 0
[pid 25999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 25999] write(3, "1000", 4)         = 4
[pid 25999] close(3)                    = 0
[pid 25999] write(1, "executing program\n", 18executing program
) = 18
[pid 25999] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 25999] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25999] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 25999] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 25999] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 25999] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 25999] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 25999] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 25999] exit_group(0)               = ?
[pid 25999] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25999, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26000 attached
, child_tidptr=0x555555f76650) = 26000
[pid 26000] set_robust_list(0x555555f76660, 24) = 0
[pid 26000] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26000] setpgid(0, 0)               = 0
[pid 26000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26000] write(3, "1000", 4)         = 4
[pid 26000] close(3)                    = 0
[pid 26000] write(1, "executing program\n", 18executing program
) = 18
[pid 26000] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26000] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26000] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26000] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26000] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26000] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26000] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26000] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26000] exit_group(0)               = ?
[pid 26000] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26000, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26001
./strace-static-x86_64: Process 26001 attached
[pid 26001] set_robust_list(0x555555f76660, 24) = 0
[pid 26001] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26001] setpgid(0, 0)               = 0
[pid 26001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26001] write(3, "1000", 4)         = 4
[pid 26001] close(3)                    = 0
[pid 26001] write(1, "executing program\n", 18executing program
) = 18
[pid 26001] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26001] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26001] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26001] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26001] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26001] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26001] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26001] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26001] exit_group(0)               = ?
[pid 26001] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26001, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26002
./strace-static-x86_64: Process 26002 attached
[pid 26002] set_robust_list(0x555555f76660, 24) = 0
[pid 26002] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26002] setpgid(0, 0)               = 0
[pid 26002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26002] write(3, "1000", 4)         = 4
[pid 26002] close(3)                    = 0
executing program
[pid 26002] write(1, "executing program\n", 18) = 18
[pid 26002] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26002] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26002] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26002] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26002] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26002] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26002] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26002] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26002] exit_group(0)               = ?
[pid 26002] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26002, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26003 attached
, child_tidptr=0x555555f76650) = 26003
[pid 26003] set_robust_list(0x555555f76660, 24) = 0
[pid 26003] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26003] setpgid(0, 0)               = 0
[pid 26003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26003] write(3, "1000", 4)         = 4
[pid 26003] close(3)                    = 0
[pid 26003] write(1, "executing program\n", 18executing program
) = 18
[pid 26003] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26003] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26003] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26003] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26003] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26003] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26003] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26003] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26003] exit_group(0)               = ?
[pid 26003] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26003, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26004 attached
, child_tidptr=0x555555f76650) = 26004
[pid 26004] set_robust_list(0x555555f76660, 24) = 0
[pid 26004] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26004] setpgid(0, 0)               = 0
[pid 26004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26004] write(3, "1000", 4)         = 4
[pid 26004] close(3)                    = 0
[pid 26004] write(1, "executing program\n", 18executing program
) = 18
[pid 26004] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26004] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26004] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26004] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26004] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26004] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26004] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26004] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26004] exit_group(0)               = ?
[pid 26004] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26004, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26005
./strace-static-x86_64: Process 26005 attached
[pid 26005] set_robust_list(0x555555f76660, 24) = 0
[pid 26005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26005] setpgid(0, 0)               = 0
[pid 26005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26005] write(3, "1000", 4)         = 4
executing program
[pid 26005] close(3)                    = 0
[pid 26005] write(1, "executing program\n", 18) = 18
[pid 26005] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26005] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26005] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26005] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26005] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26005] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26005] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26005] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26005] exit_group(0)               = ?
[pid 26005] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26005, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26006 attached
, child_tidptr=0x555555f76650) = 26006
[pid 26006] set_robust_list(0x555555f76660, 24) = 0
[pid 26006] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26006] setpgid(0, 0)               = 0
[pid 26006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26006] write(3, "1000", 4)         = 4
[pid 26006] close(3)                    = 0
[pid 26006] write(1, "executing program\n", 18) = 18
[pid 26006] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26006] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26006] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26006] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26006] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26006] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26006] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26006] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26006] exit_group(0)               = ?
[pid 26006] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26006, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26007 attached
, child_tidptr=0x555555f76650) = 26007
[pid 26007] set_robust_list(0x555555f76660, 24) = 0
[pid 26007] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26007] setpgid(0, 0)               = 0
[pid 26007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26007] write(3, "1000", 4)         = 4
[pid 26007] close(3)                    = 0
executing program
[pid 26007] write(1, "executing program\n", 18) = 18
[pid 26007] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26007] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26007] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26007] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26007] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26007] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26007] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26007] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26007] exit_group(0)               = ?
[pid 26007] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26007, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26008
./strace-static-x86_64: Process 26008 attached
[pid 26008] set_robust_list(0x555555f76660, 24) = 0
[pid 26008] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26008] setpgid(0, 0)               = 0
[pid 26008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26008] write(3, "1000", 4)         = 4
[pid 26008] close(3)                    = 0
executing program
[pid 26008] write(1, "executing program\n", 18) = 18
[pid 26008] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26008] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26008] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26008] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26008] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26008] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26008] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26008] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26008] exit_group(0)               = ?
[pid 26008] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26008, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26009 attached
, child_tidptr=0x555555f76650) = 26009
[pid 26009] set_robust_list(0x555555f76660, 24) = 0
[pid 26009] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26009] setpgid(0, 0)               = 0
[pid 26009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26009] write(3, "1000", 4)         = 4
[pid 26009] close(3)                    = 0
[pid 26009] write(1, "executing program\n", 18executing program
) = 18
[pid 26009] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26009] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26009] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26009] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26009] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26009] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26009] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26009] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26009] exit_group(0)               = ?
[pid 26009] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26009, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26010
./strace-static-x86_64: Process 26010 attached
[pid 26010] set_robust_list(0x555555f76660, 24) = 0
[pid 26010] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26010] setpgid(0, 0)               = 0
[pid 26010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26010] write(3, "1000", 4)         = 4
[pid 26010] close(3)                    = 0
executing program
[pid 26010] write(1, "executing program\n", 18) = 18
[pid 26010] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26010] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26010] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26010] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26010] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26010] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26010] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26010] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26010] exit_group(0)               = ?
[pid 26010] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26010, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26011 attached
, child_tidptr=0x555555f76650) = 26011
[pid 26011] set_robust_list(0x555555f76660, 24) = 0
[pid 26011] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26011] setpgid(0, 0)               = 0
[pid 26011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26011] write(3, "1000", 4)         = 4
[pid 26011] close(3)                    = 0
[pid 26011] write(1, "executing program\n", 18executing program
) = 18
[pid 26011] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26011] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26011] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26011] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26011] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26011] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26011] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26011] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26011] exit_group(0)               = ?
[pid 26011] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26011, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26012 attached
, child_tidptr=0x555555f76650) = 26012
[pid 26012] set_robust_list(0x555555f76660, 24) = 0
[pid 26012] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26012] setpgid(0, 0)               = 0
[pid 26012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26012] write(3, "1000", 4)         = 4
[pid 26012] close(3)                    = 0
executing program
[pid 26012] write(1, "executing program\n", 18) = 18
[pid 26012] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26012] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26012] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26012] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26012] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26012] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26012] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26012] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26012] exit_group(0)               = ?
[pid 26012] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26012, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26013 attached
, child_tidptr=0x555555f76650) = 26013
[pid 26013] set_robust_list(0x555555f76660, 24) = 0
[pid 26013] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26013] setpgid(0, 0)               = 0
[pid 26013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26013] write(3, "1000", 4)         = 4
[pid 26013] close(3)                    = 0
[pid 26013] write(1, "executing program\n", 18executing program
) = 18
[pid 26013] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26013] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26013] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26013] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26013] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26013] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26013] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26013] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26013] exit_group(0)               = ?
[pid 26013] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26013, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26014
./strace-static-x86_64: Process 26014 attached
[pid 26014] set_robust_list(0x555555f76660, 24) = 0
[pid 26014] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26014] setpgid(0, 0)               = 0
[pid 26014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26014] write(3, "1000", 4)         = 4
[pid 26014] close(3)                    = 0
executing program
[pid 26014] write(1, "executing program\n", 18) = 18
[pid 26014] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26014] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26014] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26014] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26014] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26014] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26014] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26014] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26014] exit_group(0)               = ?
[pid 26014] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26014, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26015 attached
, child_tidptr=0x555555f76650) = 26015
[pid 26015] set_robust_list(0x555555f76660, 24) = 0
[pid 26015] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26015] setpgid(0, 0)               = 0
[pid 26015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26015] write(3, "1000", 4)         = 4
[pid 26015] close(3)                    = 0
executing program
[pid 26015] write(1, "executing program\n", 18) = 18
[pid 26015] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26015] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26015] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26015] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26015] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26015] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26015] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26015] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26015] exit_group(0)               = ?
[pid 26015] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26015, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26016
./strace-static-x86_64: Process 26016 attached
[pid 26016] set_robust_list(0x555555f76660, 24) = 0
[pid 26016] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26016] setpgid(0, 0)               = 0
[pid 26016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26016] write(3, "1000", 4)         = 4
[pid 26016] close(3)                    = 0
executing program
[pid 26016] write(1, "executing program\n", 18) = 18
[pid 26016] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26016] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26016] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26016] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26016] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26016] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26016] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26016] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26016] exit_group(0)               = ?
[pid 26016] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26016, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26017 attached
, child_tidptr=0x555555f76650) = 26017
[pid 26017] set_robust_list(0x555555f76660, 24) = 0
[pid 26017] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26017] setpgid(0, 0)               = 0
[pid 26017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26017] write(3, "1000", 4)         = 4
[pid 26017] close(3)                    = 0
[pid 26017] write(1, "executing program\n", 18executing program
) = 18
[pid 26017] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26017] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26017] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26017] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26017] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26017] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26017] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26017] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26017] exit_group(0)               = ?
[pid 26017] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26017, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26018 attached
, child_tidptr=0x555555f76650) = 26018
[pid 26018] set_robust_list(0x555555f76660, 24) = 0
[pid 26018] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26018] setpgid(0, 0)               = 0
[pid 26018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26018] write(3, "1000", 4)         = 4
[pid 26018] close(3)                    = 0
executing program
[pid 26018] write(1, "executing program\n", 18) = 18
[pid 26018] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26018] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26018] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26018] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26018] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26018] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26018] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26018] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26018] exit_group(0)               = ?
[pid 26018] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26018, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26019 attached
, child_tidptr=0x555555f76650) = 26019
[pid 26019] set_robust_list(0x555555f76660, 24) = 0
[pid 26019] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26019] setpgid(0, 0)               = 0
[pid 26019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26019] write(3, "1000", 4)         = 4
executing program
[pid 26019] close(3)                    = 0
[pid 26019] write(1, "executing program\n", 18) = 18
[pid 26019] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26019] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26019] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26019] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26019] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26019] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26019] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26019] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26019] exit_group(0)               = ?
[pid 26019] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26019, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26020 attached
, child_tidptr=0x555555f76650) = 26020
[pid 26020] set_robust_list(0x555555f76660, 24) = 0
[pid 26020] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26020] setpgid(0, 0)               = 0
[pid 26020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26020] write(3, "1000", 4)         = 4
[pid 26020] close(3)                    = 0
executing program
[pid 26020] write(1, "executing program\n", 18) = 18
[pid 26020] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26020] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26020] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26020] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26020] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26020] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26020] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26020] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26020] exit_group(0)               = ?
[pid 26020] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26020, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26021
./strace-static-x86_64: Process 26021 attached
[pid 26021] set_robust_list(0x555555f76660, 24) = 0
[pid 26021] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26021] setpgid(0, 0)               = 0
[pid 26021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26021] write(3, "1000", 4)         = 4
[pid 26021] close(3)                    = 0
[pid 26021] write(1, "executing program\n", 18executing program
) = 18
[pid 26021] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26021] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26021] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26021] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26021] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26021] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26021] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26021] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26021] exit_group(0)               = ?
[pid 26021] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26021, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26022 attached
, child_tidptr=0x555555f76650) = 26022
[pid 26022] set_robust_list(0x555555f76660, 24) = 0
[pid 26022] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26022] setpgid(0, 0)               = 0
[pid 26022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26022] write(3, "1000", 4)         = 4
[pid 26022] close(3)                    = 0
[pid 26022] write(1, "executing program\n", 18executing program
) = 18
[pid 26022] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26022] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26022] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26022] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26022] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26022] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26022] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26022] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26022] exit_group(0)               = ?
[pid 26022] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26022, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26023 attached
, child_tidptr=0x555555f76650) = 26023
[pid 26023] set_robust_list(0x555555f76660, 24) = 0
[pid 26023] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26023] setpgid(0, 0)               = 0
[pid 26023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26023] write(3, "1000", 4)         = 4
[pid 26023] close(3)                    = 0
executing program
[pid 26023] write(1, "executing program\n", 18) = 18
[pid 26023] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26023] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26023] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26023] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26023] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26023] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26023] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26023] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26023] exit_group(0)               = ?
[pid 26023] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26023, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26024 attached
, child_tidptr=0x555555f76650) = 26024
[pid 26024] set_robust_list(0x555555f76660, 24) = 0
[pid 26024] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26024] setpgid(0, 0)               = 0
[pid 26024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26024] write(3, "1000", 4)         = 4
[pid 26024] close(3)                    = 0
executing program
[pid 26024] write(1, "executing program\n", 18) = 18
[pid 26024] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26024] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26024] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26024] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26024] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26024] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26024] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26024] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26024] exit_group(0)               = ?
[pid 26024] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26024, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26025
./strace-static-x86_64: Process 26025 attached
[pid 26025] set_robust_list(0x555555f76660, 24) = 0
[pid 26025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26025] setpgid(0, 0)               = 0
[pid 26025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26025] write(3, "1000", 4)         = 4
[pid 26025] close(3)                    = 0
executing program
[pid 26025] write(1, "executing program\n", 18) = 18
[pid 26025] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26025] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26025] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26025] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26025] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26025] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26025] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26025] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26025] exit_group(0)               = ?
[pid 26025] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26025, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26026 attached
, child_tidptr=0x555555f76650) = 26026
[pid 26026] set_robust_list(0x555555f76660, 24) = 0
[pid 26026] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26026] setpgid(0, 0)               = 0
[pid 26026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26026] write(3, "1000", 4)         = 4
[pid 26026] close(3)                    = 0
executing program
[pid 26026] write(1, "executing program\n", 18) = 18
[pid 26026] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26026] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26026] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26026] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26026] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26026] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26026] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26026] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26026] exit_group(0)               = ?
[pid 26026] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26026, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26027 attached
, child_tidptr=0x555555f76650) = 26027
[pid 26027] set_robust_list(0x555555f76660, 24) = 0
[pid 26027] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26027] setpgid(0, 0)               = 0
[pid 26027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26027] write(3, "1000", 4)         = 4
[pid 26027] close(3)                    = 0
[pid 26027] write(1, "executing program\n", 18executing program
) = 18
[pid 26027] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26027] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26027] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26027] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26027] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26027] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26027] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26027] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26027] exit_group(0)               = ?
[pid 26027] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26027, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26029 attached
 <unfinished ...>
[pid 26029] set_robust_list(0x555555f76660, 24) = 0
[pid 26029] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   357] <... clone resumed>, child_tidptr=0x555555f76650) = 26029
[pid 26029] <... prctl resumed>)        = 0
[pid 26029] setpgid(0, 0)               = 0
[pid 26029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26029] write(3, "1000", 4)         = 4
[pid 26029] close(3)                    = 0
[pid 26029] write(1, "executing program\n", 18executing program
) = 18
[pid 26029] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26029] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26029] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26029] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26029] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26029] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26029] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26029] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26029] exit_group(0)               = ?
[pid 26029] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26029, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26030
./strace-static-x86_64: Process 26030 attached
[pid 26030] set_robust_list(0x555555f76660, 24) = 0
[pid 26030] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26030] setpgid(0, 0)               = 0
[pid 26030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26030] write(3, "1000", 4)         = 4
[pid 26030] close(3executing program
)                    = 0
[pid 26030] write(1, "executing program\n", 18) = 18
[pid 26030] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26030] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26030] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26030] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26030] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26030] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26030] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26030] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26030] exit_group(0)               = ?
[pid 26030] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26030, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26031 attached
, child_tidptr=0x555555f76650) = 26031
[pid 26031] set_robust_list(0x555555f76660, 24) = 0
[pid 26031] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26031] setpgid(0, 0)               = 0
[pid 26031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26031] write(3, "1000", 4)         = 4
[pid 26031] close(3executing program
)                    = 0
[pid 26031] write(1, "executing program\n", 18) = 18
[pid 26031] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26031] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26031] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26031] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26031] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26031] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26031] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26031] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26031] exit_group(0)               = ?
[pid 26031] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26031, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26032 attached
, child_tidptr=0x555555f76650) = 26032
[pid 26032] set_robust_list(0x555555f76660, 24) = 0
[pid 26032] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26032] setpgid(0, 0)               = 0
[pid 26032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26032] write(3, "1000", 4)         = 4
[pid 26032] close(3)                    = 0
[pid 26032] write(1, "executing program\n", 18) = 18
[pid 26032] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26032] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26032] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26032] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26032] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26032] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26032] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26032] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26032] exit_group(0)               = ?
[pid 26032] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26032, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26033 attached
, child_tidptr=0x555555f76650) = 26033
[pid 26033] set_robust_list(0x555555f76660, 24) = 0
[pid 26033] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26033] setpgid(0, 0)               = 0
[pid 26033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26033] write(3, "1000", 4)         = 4
[pid 26033] close(3)                    = 0
[pid 26033] write(1, "executing program\n", 18executing program
) = 18
[pid 26033] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26033] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26033] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26033] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26033] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26033] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26033] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26033] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26033] exit_group(0)               = ?
[pid 26033] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26033, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26034 attached
 <unfinished ...>
[pid 26034] set_robust_list(0x555555f76660, 24) = 0
[pid   357] <... clone resumed>, child_tidptr=0x555555f76650) = 26034
[pid 26034] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26034] setpgid(0, 0)               = 0
[pid 26034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26034] write(3, "1000", 4)         = 4
[pid 26034] close(3)                    = 0
[pid 26034] write(1, "executing program\n", 18executing program
) = 18
[pid 26034] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26034] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26034] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26034] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26034] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26034] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26034] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26034] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26034] exit_group(0)               = ?
[pid 26034] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26034, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26035 attached
, child_tidptr=0x555555f76650) = 26035
[pid 26035] set_robust_list(0x555555f76660, 24) = 0
[pid 26035] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26035] setpgid(0, 0)               = 0
[pid 26035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26035] write(3, "1000", 4)         = 4
[pid 26035] close(3)                    = 0
[pid 26035] write(1, "executing program\n", 18) = 18
[pid 26035] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26035] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26035] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26035] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26035] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26035] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26035] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26035] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26035] exit_group(0)               = ?
[pid 26035] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26035, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26036 attached
, child_tidptr=0x555555f76650) = 26036
[pid 26036] set_robust_list(0x555555f76660, 24) = 0
[pid 26036] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26036] setpgid(0, 0)               = 0
[pid 26036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26036] write(3, "1000", 4)         = 4
[pid 26036] close(3)                    = 0
executing program
[pid 26036] write(1, "executing program\n", 18) = 18
[pid 26036] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26036] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26036] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26036] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26036] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26036] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26036] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26036] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26036] exit_group(0)               = ?
[pid 26036] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26036, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26037 attached
, child_tidptr=0x555555f76650) = 26037
[pid 26037] set_robust_list(0x555555f76660, 24) = 0
[pid 26037] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26037] setpgid(0, 0)               = 0
[pid 26037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26037] write(3, "1000", 4)         = 4
[pid 26037] close(3)                    = 0
executing program
[pid 26037] write(1, "executing program\n", 18) = 18
[pid 26037] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26037] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26037] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26037] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26037] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26037] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26037] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26037] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26037] exit_group(0)               = ?
[pid 26037] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26037, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26038
./strace-static-x86_64: Process 26038 attached
[pid 26038] set_robust_list(0x555555f76660, 24) = 0
[pid 26038] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26038] setpgid(0, 0)               = 0
[pid 26038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26038] write(3, "1000", 4)         = 4
[pid 26038] close(3)                    = 0
executing program
[pid 26038] write(1, "executing program\n", 18) = 18
[pid 26038] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26038] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26038] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26038] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26038] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26038] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26038] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26038] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26038] exit_group(0)               = ?
[pid 26038] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26038, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26039 attached
, child_tidptr=0x555555f76650) = 26039
[pid 26039] set_robust_list(0x555555f76660, 24) = 0
[pid 26039] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26039] setpgid(0, 0)               = 0
[pid 26039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26039] write(3, "1000", 4)         = 4
[pid 26039] close(3)                    = 0
[pid 26039] write(1, "executing program\n", 18executing program
) = 18
[pid 26039] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26039] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26039] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26039] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26039] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26039] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26039] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26039] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26039] exit_group(0)               = ?
[pid 26039] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26039, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26040
./strace-static-x86_64: Process 26040 attached
[pid 26040] set_robust_list(0x555555f76660, 24) = 0
[pid 26040] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26040] setpgid(0, 0)               = 0
[pid 26040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26040] write(3, "1000", 4)         = 4
[pid 26040] close(3)                    = 0
[pid 26040] write(1, "executing program\n", 18executing program
) = 18
[pid 26040] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26040] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26040] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26040] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26040] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26040] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26040] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26040] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26040] exit_group(0)               = ?
[pid 26040] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26040, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26041 attached
, child_tidptr=0x555555f76650) = 26041
[pid 26041] set_robust_list(0x555555f76660, 24) = 0
[pid 26041] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26041] setpgid(0, 0)               = 0
[pid 26041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26041] write(3, "1000", 4)         = 4
[pid 26041] close(3)                    = 0
[pid 26041] write(1, "executing program\n", 18) = 18
[pid 26041] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26041] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26041] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26041] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26041] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26041] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26041] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26041] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26041] exit_group(0)               = ?
[pid 26041] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26041, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26042 attached
, child_tidptr=0x555555f76650) = 26042
[pid 26042] set_robust_list(0x555555f76660, 24) = 0
[pid 26042] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26042] setpgid(0, 0)               = 0
[pid 26042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26042] write(3, "1000", 4)         = 4
[pid 26042] close(3)                    = 0
[pid 26042] write(1, "executing program\n", 18) = 18
[pid 26042] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26042] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26042] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26042] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26042] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26042] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26042] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26042] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26042] exit_group(0)               = ?
[pid 26042] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26042, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26043 attached
, child_tidptr=0x555555f76650) = 26043
[pid 26043] set_robust_list(0x555555f76660, 24) = 0
[pid 26043] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26043] setpgid(0, 0)               = 0
[pid 26043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26043] write(3, "1000", 4)         = 4
[pid 26043] close(3)                    = 0
[pid 26043] write(1, "executing program\n", 18executing program
) = 18
[pid 26043] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26043] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26043] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26043] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26043] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26043] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26043] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26043] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26043] exit_group(0)               = ?
[pid 26043] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26043, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26044 attached
, child_tidptr=0x555555f76650) = 26044
[pid 26044] set_robust_list(0x555555f76660, 24) = 0
[pid 26044] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26044] setpgid(0, 0)               = 0
[pid 26044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26044] write(3, "1000", 4)         = 4
[pid 26044] close(3)                    = 0
[pid 26044] write(1, "executing program\n", 18executing program
) = 18
[pid 26044] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26044] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26044] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26044] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26044] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26044] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26044] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26044] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26044] exit_group(0)               = ?
[pid 26044] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26044, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26045 attached
, child_tidptr=0x555555f76650) = 26045
[pid 26045] set_robust_list(0x555555f76660, 24) = 0
[pid 26045] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26045] setpgid(0, 0)               = 0
[pid 26045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26045] write(3, "1000", 4)         = 4
[pid 26045] close(3)                    = 0
[pid 26045] write(1, "executing program\n", 18executing program
) = 18
[pid 26045] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26045] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26045] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26045] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26045] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26045] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26045] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26045] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26045] exit_group(0)               = ?
[pid 26045] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26045, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26046
./strace-static-x86_64: Process 26046 attached
[pid 26046] set_robust_list(0x555555f76660, 24) = 0
[pid 26046] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26046] setpgid(0, 0)               = 0
[pid 26046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26046] write(3, "1000", 4)         = 4
[pid 26046] close(3)                    = 0
executing program
[pid 26046] write(1, "executing program\n", 18) = 18
[pid 26046] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26046] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26046] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26046] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26046] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26046] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26046] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26046] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26046] exit_group(0)               = ?
[pid 26046] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26046, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26047
./strace-static-x86_64: Process 26047 attached
[pid 26047] set_robust_list(0x555555f76660, 24) = 0
[pid 26047] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26047] setpgid(0, 0)               = 0
[pid 26047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26047] write(3, "1000", 4)         = 4
[pid 26047] close(3)                    = 0
executing program
[pid 26047] write(1, "executing program\n", 18) = 18
[pid 26047] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26047] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26047] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26047] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26047] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26047] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26047] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26047] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26047] exit_group(0)               = ?
[pid 26047] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26047, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26048 attached
, child_tidptr=0x555555f76650) = 26048
[pid 26048] set_robust_list(0x555555f76660, 24) = 0
[pid 26048] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26048] setpgid(0, 0)               = 0
[pid 26048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26048] write(3, "1000", 4)         = 4
executing program
[pid 26048] close(3)                    = 0
[pid 26048] write(1, "executing program\n", 18) = 18
[pid 26048] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26048] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26048] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26048] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26048] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26048] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26048] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26048] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26048] exit_group(0)               = ?
[pid 26048] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26048, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26049 attached
, child_tidptr=0x555555f76650) = 26049
[pid 26049] set_robust_list(0x555555f76660, 24) = 0
[pid 26049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26049] setpgid(0, 0)               = 0
[pid 26049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26049] write(3, "1000", 4)         = 4
[pid 26049] close(3)                    = 0
[pid 26049] write(1, "executing program\n", 18executing program
) = 18
[pid 26049] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26049] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26049] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26049] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26049] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26049] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26049] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26049] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26049] exit_group(0)               = ?
[pid 26049] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26049, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26050
./strace-static-x86_64: Process 26050 attached
[pid 26050] set_robust_list(0x555555f76660, 24) = 0
[pid 26050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26050] setpgid(0, 0)               = 0
[pid 26050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26050] write(3, "1000", 4)         = 4
[pid 26050] close(3)                    = 0
[pid 26050] write(1, "executing program\n", 18executing program
) = 18
[pid 26050] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26050] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26050] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26050] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26050] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26050] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26050] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26050] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26050] exit_group(0)               = ?
[pid 26050] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26050, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26051 attached
, child_tidptr=0x555555f76650) = 26051
[pid 26051] set_robust_list(0x555555f76660, 24) = 0
[pid 26051] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26051] setpgid(0, 0)               = 0
[pid 26051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26051] write(3, "1000", 4)         = 4
[pid 26051] close(3)                    = 0
[pid 26051] write(1, "executing program\n", 18executing program
) = 18
[pid 26051] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26051] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26051] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26051] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26051] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26051] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26051] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26051] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26051] exit_group(0)               = ?
[pid 26051] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26051, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26052
./strace-static-x86_64: Process 26052 attached
[pid 26052] set_robust_list(0x555555f76660, 24) = 0
[pid 26052] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26052] setpgid(0, 0)               = 0
[pid 26052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26052] write(3, "1000", 4)         = 4
[pid 26052] close(3)                    = 0
[pid 26052] write(1, "executing program\n", 18executing program
) = 18
[pid 26052] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26052] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26052] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26052] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26052] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26052] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26052] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26052] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26052] exit_group(0)               = ?
[pid 26052] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26052, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26053 attached
, child_tidptr=0x555555f76650) = 26053
[pid 26053] set_robust_list(0x555555f76660, 24) = 0
[pid 26053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26053] setpgid(0, 0)               = 0
[pid 26053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26053] write(3, "1000", 4)         = 4
[pid 26053] close(3)                    = 0
[pid 26053] write(1, "executing program\n", 18executing program
) = 18
[pid 26053] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26053] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26053] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26053] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26053] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26053] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26053] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26053] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26053] exit_group(0)               = ?
[pid 26053] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26053, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26054
./strace-static-x86_64: Process 26054 attached
[pid 26054] set_robust_list(0x555555f76660, 24) = 0
[pid 26054] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26054] setpgid(0, 0)               = 0
[pid 26054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26054] write(3, "1000", 4)         = 4
[pid 26054] close(3)                    = 0
[pid 26054] write(1, "executing program\n", 18executing program
) = 18
[pid 26054] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26054] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26054] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26054] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26054] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26054] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26054] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26054] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26054] exit_group(0)               = ?
[pid 26054] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26054, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26055 attached
, child_tidptr=0x555555f76650) = 26055
[pid 26055] set_robust_list(0x555555f76660, 24) = 0
[pid 26055] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26055] setpgid(0, 0)               = 0
[pid 26055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26055] write(3, "1000", 4)         = 4
[pid 26055] close(3)                    = 0
[pid 26055] write(1, "executing program\n", 18executing program
) = 18
[pid 26055] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26055] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26055] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26055] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26055] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26055] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26055] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26055] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26055] exit_group(0)               = ?
[pid 26055] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26055, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26056
./strace-static-x86_64: Process 26056 attached
[pid 26056] set_robust_list(0x555555f76660, 24) = 0
[pid 26056] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26056] setpgid(0, 0)               = 0
[pid 26056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26056] write(3, "1000", 4)         = 4
[pid 26056] close(3)                    = 0
[pid 26056] write(1, "executing program\n", 18executing program
) = 18
[pid 26056] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26056] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26056] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26056] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26056] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26056] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26056] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26056] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26056] exit_group(0)               = ?
[pid 26056] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26056, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26057 attached
, child_tidptr=0x555555f76650) = 26057
[pid 26057] set_robust_list(0x555555f76660, 24) = 0
[pid 26057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26057] setpgid(0, 0)               = 0
[pid 26057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26057] write(3, "1000", 4)         = 4
[pid 26057] close(3)                    = 0
[pid 26057] write(1, "executing program\n", 18executing program
) = 18
[pid 26057] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26057] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26057] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26057] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26057] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26057] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26057] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26057] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26057] exit_group(0)               = ?
[pid 26057] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26057, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26058
./strace-static-x86_64: Process 26058 attached
[pid 26058] set_robust_list(0x555555f76660, 24) = 0
[pid 26058] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26058] setpgid(0, 0)               = 0
[pid 26058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26058] write(3, "1000", 4)         = 4
[pid 26058] close(3)                    = 0
[pid 26058] write(1, "executing program\n", 18executing program
) = 18
[pid 26058] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26058] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26058] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26058] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26058] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26058] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26058] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26058] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26058] exit_group(0)               = ?
[pid 26058] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26058, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26059 attached
, child_tidptr=0x555555f76650) = 26059
[pid 26059] set_robust_list(0x555555f76660, 24) = 0
[pid 26059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26059] setpgid(0, 0)               = 0
[pid 26059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26059] write(3, "1000", 4)         = 4
[pid 26059] close(3)                    = 0
[pid 26059] write(1, "executing program\n", 18executing program
) = 18
[pid 26059] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26059] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26059] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26059] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26059] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26059] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26059] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26059] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26059] exit_group(0)               = ?
[pid 26059] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26059, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26060
./strace-static-x86_64: Process 26060 attached
[pid 26060] set_robust_list(0x555555f76660, 24) = 0
[pid 26060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26060] setpgid(0, 0)               = 0
[pid 26060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26060] write(3, "1000", 4)         = 4
[pid 26060] close(3)                    = 0
executing program
[pid 26060] write(1, "executing program\n", 18) = 18
[pid 26060] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26060] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26060] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26060] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26060] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26060] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26060] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26060] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26060] exit_group(0)               = ?
[pid 26060] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26060, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26061
./strace-static-x86_64: Process 26061 attached
[pid 26061] set_robust_list(0x555555f76660, 24) = 0
[pid 26061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26061] setpgid(0, 0)               = 0
[pid 26061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26061] write(3, "1000", 4)         = 4
[pid 26061] close(3)                    = 0
[pid 26061] write(1, "executing program\n", 18executing program
) = 18
[pid 26061] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26061] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26061] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26061] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26061] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26061] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26061] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26061] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26061] exit_group(0)               = ?
[pid 26061] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26061, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26062 attached
, child_tidptr=0x555555f76650) = 26062
[pid 26062] set_robust_list(0x555555f76660, 24) = 0
[pid 26062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26062] setpgid(0, 0)               = 0
[pid 26062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26062] write(3, "1000", 4)         = 4
[pid 26062] close(3)                    = 0
[pid 26062] write(1, "executing program\n", 18executing program
) = 18
[pid 26062] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26062] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26062] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26062] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26062] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26062] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26062] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26062] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26062] exit_group(0)               = ?
[pid 26062] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26062, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26063 attached
, child_tidptr=0x555555f76650) = 26063
[pid 26063] set_robust_list(0x555555f76660, 24) = 0
[pid 26063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26063] setpgid(0, 0)               = 0
[pid 26063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26063] write(3, "1000", 4)         = 4
[pid 26063] close(3)                    = 0
[pid 26063] write(1, "executing program\n", 18executing program
) = 18
[pid 26063] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26063] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26063] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26063] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26063] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26063] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26063] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26063] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26063] exit_group(0)               = ?
[pid 26063] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26063, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26064
./strace-static-x86_64: Process 26064 attached
[pid 26064] set_robust_list(0x555555f76660, 24) = 0
[pid 26064] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26064] setpgid(0, 0)               = 0
[pid 26064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26064] write(3, "1000", 4)         = 4
[pid 26064] close(3)                    = 0
[pid 26064] write(1, "executing program\n", 18executing program
) = 18
[pid 26064] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26064] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26064] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26064] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26064] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26064] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26064] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26064] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26064] exit_group(0)               = ?
[pid 26064] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26064, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26065
./strace-static-x86_64: Process 26065 attached
[pid 26065] set_robust_list(0x555555f76660, 24) = 0
[pid 26065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26065] setpgid(0, 0)               = 0
[pid 26065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26065] write(3, "1000", 4)         = 4
[pid 26065] close(3)                    = 0
[pid 26065] write(1, "executing program\n", 18executing program
) = 18
[pid 26065] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26065] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26065] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26065] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26065] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26065] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26065] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26065] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26065] exit_group(0)               = ?
[pid 26065] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26065, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26066
./strace-static-x86_64: Process 26066 attached
[pid 26066] set_robust_list(0x555555f76660, 24) = 0
[pid 26066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26066] setpgid(0, 0)               = 0
[pid 26066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26066] write(3, "1000", 4)         = 4
[pid 26066] close(3)                    = 0
[pid 26066] write(1, "executing program\n", 18executing program
) = 18
[pid 26066] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26066] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26066] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26066] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26066] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26066] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26066] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26066] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26066] exit_group(0)               = ?
[pid 26066] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26066, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26067
./strace-static-x86_64: Process 26067 attached
[pid 26067] set_robust_list(0x555555f76660, 24) = 0
[pid 26067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26067] setpgid(0, 0)               = 0
[pid 26067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26067] write(3, "1000", 4)         = 4
[pid 26067] close(3)                    = 0
[pid 26067] write(1, "executing program\n", 18executing program
) = 18
[pid 26067] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26067] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26067] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26067] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26067] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26067] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26067] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26067] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26067] exit_group(0)               = ?
[pid 26067] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26067, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26068
./strace-static-x86_64: Process 26068 attached
[pid 26068] set_robust_list(0x555555f76660, 24) = 0
[pid 26068] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26068] setpgid(0, 0)               = 0
[pid 26068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26068] write(3, "1000", 4)         = 4
[pid 26068] close(3executing program
)                    = 0
[pid 26068] write(1, "executing program\n", 18) = 18
[pid 26068] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26068] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26068] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26068] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26068] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26068] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26068] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26068] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26068] exit_group(0)               = ?
[pid 26068] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26068, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26069 attached
, child_tidptr=0x555555f76650) = 26069
[pid 26069] set_robust_list(0x555555f76660, 24) = 0
[pid 26069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26069] setpgid(0, 0)               = 0
[pid 26069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26069] write(3, "1000", 4)         = 4
[pid 26069] close(3)                    = 0
[pid 26069] write(1, "executing program\n", 18executing program
) = 18
[pid 26069] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26069] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26069] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26069] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26069] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26069] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26069] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26069] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26069] exit_group(0)               = ?
[pid 26069] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26069, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26070
./strace-static-x86_64: Process 26070 attached
[pid 26070] set_robust_list(0x555555f76660, 24) = 0
[pid 26070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26070] setpgid(0, 0)               = 0
[pid 26070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26070] write(3, "1000", 4)         = 4
[pid 26070] close(3)                    = 0
[pid 26070] write(1, "executing program\n", 18executing program
) = 18
[pid 26070] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26070] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26070] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26070] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26070] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26070] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26070] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26070] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26070] exit_group(0)               = ?
[pid 26070] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26070, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26071 attached
, child_tidptr=0x555555f76650) = 26071
[pid 26071] set_robust_list(0x555555f76660, 24) = 0
[pid 26071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26071] setpgid(0, 0)               = 0
[pid 26071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26071] write(3, "1000", 4)         = 4
[pid 26071] close(3)                    = 0
[pid 26071] write(1, "executing program\n", 18executing program
) = 18
[pid 26071] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26071] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26071] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26071] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26071] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26071] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26071] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26071] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26071] exit_group(0)               = ?
[pid 26071] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26071, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26072
./strace-static-x86_64: Process 26072 attached
[pid 26072] set_robust_list(0x555555f76660, 24) = 0
[pid 26072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26072] setpgid(0, 0)               = 0
[pid 26072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26072] write(3, "1000", 4)         = 4
[pid 26072] close(3)                    = 0
[pid 26072] write(1, "executing program\n", 18executing program
) = 18
[pid 26072] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26072] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26072] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26072] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26072] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26072] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26072] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26072] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26072] exit_group(0)               = ?
[pid 26072] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26072, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26073 attached
, child_tidptr=0x555555f76650) = 26073
[pid 26073] set_robust_list(0x555555f76660, 24) = 0
[pid 26073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26073] setpgid(0, 0)               = 0
[pid 26073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26073] write(3, "1000", 4)         = 4
[pid 26073] close(3)                    = 0
[pid 26073] write(1, "executing program\n", 18executing program
) = 18
[pid 26073] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26073] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26073] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26073] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26073] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26073] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26073] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26073] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26073] exit_group(0)               = ?
[pid 26073] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26073, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26074 attached
, child_tidptr=0x555555f76650) = 26074
[pid 26074] set_robust_list(0x555555f76660, 24) = 0
[pid 26074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26074] setpgid(0, 0)               = 0
[pid 26074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26074] write(3, "1000", 4)         = 4
executing program
[pid 26074] close(3)                    = 0
[pid 26074] write(1, "executing program\n", 18) = 18
[pid 26074] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26074] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26074] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26074] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26074] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26074] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26074] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26074] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26074] exit_group(0)               = ?
[pid 26074] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26074, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26075
./strace-static-x86_64: Process 26075 attached
[pid 26075] set_robust_list(0x555555f76660, 24) = 0
[pid 26075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26075] setpgid(0, 0)               = 0
[pid 26075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26075] write(3, "1000", 4)         = 4
[pid 26075] close(3)                    = 0
[pid 26075] write(1, "executing program\n", 18executing program
) = 18
[pid 26075] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26075] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26075] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26075] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26075] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26075] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26075] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26075] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26075] exit_group(0)               = ?
[pid 26075] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26075, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26076
./strace-static-x86_64: Process 26076 attached
[pid 26076] set_robust_list(0x555555f76660, 24) = 0
[pid 26076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26076] setpgid(0, 0)               = 0
[pid 26076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26076] write(3, "1000", 4)         = 4
[pid 26076] close(3)                    = 0
[pid 26076] write(1, "executing program\n", 18executing program
) = 18
[pid 26076] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26076] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26076] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26076] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26076] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26076] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26076] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26076] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26076] exit_group(0)               = ?
[pid 26076] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26076, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26077
./strace-static-x86_64: Process 26077 attached
[pid 26077] set_robust_list(0x555555f76660, 24) = 0
[pid 26077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26077] setpgid(0, 0)               = 0
[pid 26077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26077] write(3, "1000", 4)         = 4
[pid 26077] close(3)                    = 0
[pid 26077] write(1, "executing program\n", 18executing program
) = 18
[pid 26077] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26077] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26077] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26077] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26077] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26077] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26077] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26077] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26077] exit_group(0)               = ?
[pid 26077] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26077, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26078 attached
, child_tidptr=0x555555f76650) = 26078
[pid 26078] set_robust_list(0x555555f76660, 24) = 0
[pid 26078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26078] setpgid(0, 0)               = 0
[pid 26078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26078] write(3, "1000", 4)         = 4
[pid 26078] close(3)                    = 0
[pid 26078] write(1, "executing program\n", 18executing program
) = 18
[pid 26078] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26078] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26078] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26078] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26078] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26078] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26078] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26078] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26078] exit_group(0)               = ?
[pid 26078] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26078, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26079
./strace-static-x86_64: Process 26079 attached
[pid 26079] set_robust_list(0x555555f76660, 24) = 0
[pid 26079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26079] setpgid(0, 0)               = 0
[pid 26079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26079] write(3, "1000", 4)         = 4
[pid 26079] close(3)                    = 0
[pid 26079] write(1, "executing program\n", 18executing program
) = 18
[pid 26079] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26079] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26079] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26079] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26079] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26079] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26079] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26079] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26079] exit_group(0)               = ?
[pid 26079] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26079, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26080 attached
, child_tidptr=0x555555f76650) = 26080
[pid 26080] set_robust_list(0x555555f76660, 24) = 0
[pid 26080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26080] setpgid(0, 0)               = 0
[pid 26080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26080] write(3, "1000", 4)         = 4
[pid 26080] close(3)                    = 0
[pid 26080] write(1, "executing program\n", 18executing program
) = 18
[pid 26080] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26080] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26080] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26080] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26080] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26080] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26080] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26080] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26080] exit_group(0)               = ?
[pid 26080] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26080, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26081 attached
, child_tidptr=0x555555f76650) = 26081
[pid 26081] set_robust_list(0x555555f76660, 24) = 0
[pid 26081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26081] setpgid(0, 0)               = 0
[pid 26081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26081] write(3, "1000", 4)         = 4
[pid 26081] close(3)                    = 0
[pid 26081] write(1, "executing program\n", 18executing program
) = 18
[pid 26081] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26081] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26081] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26081] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26081] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26081] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26081] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26081] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26081] exit_group(0)               = ?
[pid 26081] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26081, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26082
./strace-static-x86_64: Process 26082 attached
[pid 26082] set_robust_list(0x555555f76660, 24) = 0
[pid 26082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26082] setpgid(0, 0)               = 0
[pid 26082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26082] write(3, "1000", 4)         = 4
[pid 26082] close(3)                    = 0
[pid 26082] write(1, "executing program\n", 18executing program
) = 18
[pid 26082] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26082] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26082] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26082] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26082] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26082] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26082] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26082] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26082] exit_group(0)               = ?
[pid 26082] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26082, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26083
./strace-static-x86_64: Process 26083 attached
[pid 26083] set_robust_list(0x555555f76660, 24) = 0
[pid 26083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26083] setpgid(0, 0)               = 0
[pid 26083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26083] write(3, "1000", 4)         = 4
[pid 26083] close(3)                    = 0
[pid 26083] write(1, "executing program\n", 18executing program
) = 18
[pid 26083] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26083] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26083] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26083] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26083] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26083] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26083] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26083] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26083] exit_group(0)               = ?
[pid 26083] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26083, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26084
./strace-static-x86_64: Process 26084 attached
[pid 26084] set_robust_list(0x555555f76660, 24) = 0
[pid 26084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26084] setpgid(0, 0)               = 0
[pid 26084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26084] write(3, "1000", 4)         = 4
[pid 26084] close(3)                    = 0
[pid 26084] write(1, "executing program\n", 18executing program
) = 18
[pid 26084] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26084] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26084] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26084] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26084] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26084] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26084] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26084] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26084] exit_group(0)               = ?
[pid 26084] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26084, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26085
./strace-static-x86_64: Process 26085 attached
[pid 26085] set_robust_list(0x555555f76660, 24) = 0
[pid 26085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26085] setpgid(0, 0)               = 0
[pid 26085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26085] write(3, "1000", 4)         = 4
[pid 26085] close(3)                    = 0
executing program
[pid 26085] write(1, "executing program\n", 18) = 18
[pid 26085] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26085] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26085] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26085] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26085] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26085] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26085] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26085] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26085] exit_group(0)               = ?
[pid 26085] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26085, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26086
./strace-static-x86_64: Process 26086 attached
[pid 26086] set_robust_list(0x555555f76660, 24) = 0
[pid 26086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26086] setpgid(0, 0)               = 0
[pid 26086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26086] write(3, "1000", 4)         = 4
[pid 26086] close(3)                    = 0
[pid 26086] write(1, "executing program\n", 18executing program
) = 18
[pid 26086] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26086] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26086] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26086] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26086] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26086] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26086] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26086] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26086] exit_group(0)               = ?
[pid 26086] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26086, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26087 attached
, child_tidptr=0x555555f76650) = 26087
[pid 26087] set_robust_list(0x555555f76660, 24) = 0
[pid 26087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26087] setpgid(0, 0)               = 0
[pid 26087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26087] write(3, "1000", 4)         = 4
[pid 26087] close(3)                    = 0
[pid 26087] write(1, "executing program\n", 18executing program
) = 18
[pid 26087] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26087] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26087] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26087] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26087] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26087] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26087] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26087] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26087] exit_group(0)               = ?
[pid 26087] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26087, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26088 attached
, child_tidptr=0x555555f76650) = 26088
[pid 26088] set_robust_list(0x555555f76660, 24) = 0
[pid 26088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26088] setpgid(0, 0)               = 0
[pid 26088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26088] write(3, "1000", 4)         = 4
[pid 26088] close(3)                    = 0
[pid 26088] write(1, "executing program\n", 18executing program
) = 18
[pid 26088] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26088] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26088] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26088] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26088] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26088] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26088] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26088] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26088] exit_group(0)               = ?
[pid 26088] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26088, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
executing program
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26089 attached
, child_tidptr=0x555555f76650) = 26089
[pid 26089] set_robust_list(0x555555f76660, 24) = 0
[pid 26089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26089] setpgid(0, 0)               = 0
[pid 26089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26089] write(3, "1000", 4)         = 4
[pid 26089] close(3)                    = 0
[pid 26089] write(1, "executing program\n", 18) = 18
[pid 26089] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26089] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26089] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26089] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26089] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26089] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26089] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26089] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26089] exit_group(0)               = ?
[pid 26089] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26089, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26090
./strace-static-x86_64: Process 26090 attached
[pid 26090] set_robust_list(0x555555f76660, 24) = 0
[pid 26090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26090] setpgid(0, 0)               = 0
[pid 26090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
executing program
[pid 26090] write(3, "1000", 4)         = 4
[pid 26090] close(3)                    = 0
[pid 26090] write(1, "executing program\n", 18) = 18
[pid 26090] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26090] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26090] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26090] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26090] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26090] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26090] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26090] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26090] exit_group(0)               = ?
[pid 26090] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26090, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26091
./strace-static-x86_64: Process 26091 attached
[pid 26091] set_robust_list(0x555555f76660, 24) = 0
[pid 26091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26091] setpgid(0, 0)               = 0
[pid 26091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26091] write(3, "1000", 4)         = 4
[pid 26091] close(3executing program
)                    = 0
[pid 26091] write(1, "executing program\n", 18) = 18
[pid 26091] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26091] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26091] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26091] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26091] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26091] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26091] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26091] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26091] exit_group(0)               = ?
[pid 26091] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26091, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26092
./strace-static-x86_64: Process 26092 attached
[pid 26092] set_robust_list(0x555555f76660, 24) = 0
[pid 26092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26092] setpgid(0, 0)               = 0
[pid 26092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26092] write(3, "1000", 4)         = 4
[pid 26092] close(3)                    = 0
[pid 26092] write(1, "executing program\n", 18executing program
) = 18
[pid 26092] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26092] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26092] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26092] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26092] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26092] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26092] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26092] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26092] exit_group(0)               = ?
[pid 26092] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26092, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26093 attached
, child_tidptr=0x555555f76650) = 26093
[pid 26093] set_robust_list(0x555555f76660, 24) = 0
[pid 26093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26093] setpgid(0, 0)               = 0
[pid 26093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26093] write(3, "1000", 4)         = 4
[pid 26093] close(3)                    = 0
[pid 26093] write(1, "executing program\n", 18executing program
) = 18
[pid 26093] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26093] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26093] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26093] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26093] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26093] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26093] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26093] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26093] exit_group(0)               = ?
[pid 26093] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26093, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26094 attached
, child_tidptr=0x555555f76650) = 26094
[pid 26094] set_robust_list(0x555555f76660, 24) = 0
[pid 26094] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26094] setpgid(0, 0)               = 0
[pid 26094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26094] write(3, "1000", 4)         = 4
[pid 26094] close(3)                    = 0
executing program
[pid 26094] write(1, "executing program\n", 18) = 18
[pid 26094] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26094] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26094] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26094] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26094] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26094] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26094] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26094] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26094] exit_group(0)               = ?
[pid 26094] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26094, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26095 attached
, child_tidptr=0x555555f76650) = 26095
[pid 26095] set_robust_list(0x555555f76660, 24) = 0
[pid 26095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26095] setpgid(0, 0)               = 0
[pid 26095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26095] write(3, "1000", 4)         = 4
[pid 26095] close(3)                    = 0
executing program
[pid 26095] write(1, "executing program\n", 18) = 18
[pid 26095] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26095] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26095] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26095] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26095] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26095] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26095] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26095] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26095] exit_group(0)               = ?
[pid 26095] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26095, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26096 attached
, child_tidptr=0x555555f76650) = 26096
[pid 26096] set_robust_list(0x555555f76660, 24) = 0
[pid 26096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26096] setpgid(0, 0)               = 0
[pid 26096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26096] write(3, "1000", 4)         = 4
[pid 26096] close(3)                    = 0
[pid 26096] write(1, "executing program\n", 18executing program
) = 18
[pid 26096] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26096] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26096] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26096] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26096] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26096] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26096] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26096] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26096] exit_group(0)               = ?
[pid 26096] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26096, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26097 attached
, child_tidptr=0x555555f76650) = 26097
[pid 26097] set_robust_list(0x555555f76660, 24) = 0
[pid 26097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26097] setpgid(0, 0)               = 0
[pid 26097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26097] write(3, "1000", 4)         = 4
[pid 26097] close(3)                    = 0
[pid 26097] write(1, "executing program\n", 18executing program
) = 18
[pid 26097] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26097] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26097] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26097] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26097] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26097] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26097] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26097] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26097] exit_group(0)               = ?
[pid 26097] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26097, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26098
./strace-static-x86_64: Process 26098 attached
[pid 26098] set_robust_list(0x555555f76660, 24) = 0
[pid 26098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26098] setpgid(0, 0)               = 0
[pid 26098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26098] write(3, "1000", 4)         = 4
[pid 26098] close(3)                    = 0
[pid 26098] write(1, "executing program\n", 18executing program
) = 18
[pid 26098] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26098] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26098] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26098] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26098] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26098] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26098] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26098] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26098] exit_group(0)               = ?
[pid 26098] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26098, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26099 attached
, child_tidptr=0x555555f76650) = 26099
[pid 26099] set_robust_list(0x555555f76660, 24) = 0
[pid 26099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26099] setpgid(0, 0)               = 0
[pid 26099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26099] write(3, "1000", 4)         = 4
[pid 26099] close(3)                    = 0
[pid 26099] write(1, "executing program\n", 18executing program
) = 18
[pid 26099] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26099] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26099] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26099] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26099] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26099] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26099] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26099] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26099] exit_group(0)               = ?
[pid 26099] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26099, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26100 attached
, child_tidptr=0x555555f76650) = 26100
[pid 26100] set_robust_list(0x555555f76660, 24) = 0
[pid 26100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26100] setpgid(0, 0)               = 0
[pid 26100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26100] write(3, "1000", 4)         = 4
[pid 26100] close(3)                    = 0
[pid 26100] write(1, "executing program\n", 18executing program
) = 18
[pid 26100] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26100] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26100] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26100] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26100] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26100] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26100] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26100] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26100] exit_group(0)               = ?
[pid 26100] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26100, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26101
./strace-static-x86_64: Process 26101 attached
[pid 26101] set_robust_list(0x555555f76660, 24) = 0
[pid 26101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26101] setpgid(0, 0)               = 0
[pid 26101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26101] write(3, "1000", 4)         = 4
[pid 26101] close(3)                    = 0
[pid 26101] write(1, "executing program\n", 18executing program
) = 18
[pid 26101] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26101] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26101] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26101] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26101] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26101] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26101] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26101] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26101] exit_group(0)               = ?
[pid 26101] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26101, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26102
./strace-static-x86_64: Process 26102 attached
[pid 26102] set_robust_list(0x555555f76660, 24) = 0
[pid 26102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26102] setpgid(0, 0)               = 0
[pid 26102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26102] write(3, "1000", 4)         = 4
[pid 26102] close(3)                    = 0
[pid 26102] write(1, "executing program\n", 18executing program
) = 18
[pid 26102] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26102] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26102] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26102] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26102] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26102] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26102] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26102] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26102] exit_group(0)               = ?
[pid 26102] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26102, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26103 attached
, child_tidptr=0x555555f76650) = 26103
[pid 26103] set_robust_list(0x555555f76660, 24) = 0
[pid 26103] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26103] setpgid(0, 0)               = 0
[pid 26103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26103] write(3, "1000", 4)         = 4
[pid 26103] close(3)                    = 0
[pid 26103] write(1, "executing program\n", 18executing program
) = 18
[pid 26103] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26103] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26103] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26103] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26103] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26103] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26103] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26103] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26103] exit_group(0)               = ?
[pid 26103] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26103, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26104
./strace-static-x86_64: Process 26104 attached
[pid 26104] set_robust_list(0x555555f76660, 24) = 0
[pid 26104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26104] setpgid(0, 0executing program
)               = 0
[pid 26104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26104] write(3, "1000", 4)         = 4
[pid 26104] close(3)                    = 0
[pid 26104] write(1, "executing program\n", 18) = 18
[pid 26104] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26104] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26104] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26104] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26104] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26104] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26104] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26104] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26104] exit_group(0)               = ?
[pid 26104] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26104, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26105
./strace-static-x86_64: Process 26105 attached
[pid 26105] set_robust_list(0x555555f76660, 24) = 0
[pid 26105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26105] setpgid(0, 0)               = 0
[pid 26105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26105] write(3, "1000", 4)         = 4
[pid 26105] close(3)                    = 0
[pid 26105] write(1, "executing program\n", 18executing program
) = 18
[pid 26105] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26105] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26105] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26105] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26105] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26105] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26105] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26105] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26105] exit_group(0)               = ?
[pid 26105] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26105, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26106 attached
, child_tidptr=0x555555f76650) = 26106
[pid 26106] set_robust_list(0x555555f76660, 24) = 0
[pid 26106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26106] setpgid(0, 0)               = 0
[pid 26106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26106] write(3, "1000", 4)         = 4
[pid 26106] close(3)                    = 0
executing program
[pid 26106] write(1, "executing program\n", 18) = 18
[pid 26106] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26106] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26106] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26106] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26106] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26106] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26106] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26106] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26106] exit_group(0)               = ?
[pid 26106] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26106, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26107
./strace-static-x86_64: Process 26107 attached
[pid 26107] set_robust_list(0x555555f76660, 24) = 0
[pid 26107] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26107] setpgid(0, 0)               = 0
[pid 26107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26107] write(3, "1000", 4)         = 4
[pid 26107] close(3)                    = 0
[pid 26107] write(1, "executing program\n", 18) = 18
executing program
[pid 26107] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26107] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26107] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26107] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26107] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26107] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26107] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26107] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26107] exit_group(0)               = ?
[pid 26107] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26107, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26108
./strace-static-x86_64: Process 26108 attached
[pid 26108] set_robust_list(0x555555f76660, 24) = 0
[pid 26108] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26108] setpgid(0, 0)               = 0
[pid 26108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26108] write(3, "1000", 4)         = 4
[pid 26108] close(3)                    = 0
executing program
[pid 26108] write(1, "executing program\n", 18) = 18
[pid 26108] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26108] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26108] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26108] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26108] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26108] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26108] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26108] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26108] exit_group(0)               = ?
[pid 26108] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26108, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26109
./strace-static-x86_64: Process 26109 attached
[pid 26109] set_robust_list(0x555555f76660, 24) = 0
[pid 26109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26109] setpgid(0, 0)               = 0
[pid 26109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26109] write(3, "1000", 4)         = 4
[pid 26109] close(3)                    = 0
[pid 26109] write(1, "executing program\n", 18executing program
) = 18
[pid 26109] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26109] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26109] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26109] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26109] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26109] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26109] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26109] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26109] exit_group(0)               = ?
[pid 26109] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26109, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26110 attached
, child_tidptr=0x555555f76650) = 26110
[pid 26110] set_robust_list(0x555555f76660, 24) = 0
[pid 26110] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26110] setpgid(0, 0)               = 0
[pid 26110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26110] write(3, "1000", 4)         = 4
[pid 26110] close(3)                    = 0
[pid 26110] write(1, "executing program\n", 18executing program
) = 18
[pid 26110] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26110] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26110] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26110] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26110] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26110] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26110] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26110] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26110] exit_group(0)               = ?
[pid 26110] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26110, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26111
./strace-static-x86_64: Process 26111 attached
[pid 26111] set_robust_list(0x555555f76660, 24) = 0
[pid 26111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26111] setpgid(0, 0)               = 0
[pid 26111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26111] write(3, "1000", 4)         = 4
[pid 26111] close(3)                    = 0
executing program
[pid 26111] write(1, "executing program\n", 18) = 18
[pid 26111] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26111] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26111] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26111] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26111] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26111] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26111] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26111] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26111] exit_group(0)               = ?
[pid 26111] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26111, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26112 attached
, child_tidptr=0x555555f76650) = 26112
[pid 26112] set_robust_list(0x555555f76660, 24) = 0
[pid 26112] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26112] setpgid(0, 0)               = 0
[pid 26112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26112] write(3, "1000", 4)         = 4
[pid 26112] close(3)                    = 0
[pid 26112] write(1, "executing program\n", 18executing program
) = 18
[pid 26112] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26112] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26112] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26112] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26112] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26112] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26112] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26112] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26112] exit_group(0)               = ?
[pid 26112] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26112, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26113
./strace-static-x86_64: Process 26113 attached
[pid 26113] set_robust_list(0x555555f76660, 24) = 0
[pid 26113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26113] setpgid(0, 0)               = 0
[pid 26113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26113] write(3, "1000", 4)         = 4
[pid 26113] close(3)                    = 0
[pid 26113] write(1, "executing program\n", 18executing program
) = 18
[pid 26113] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26113] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26113] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26113] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26113] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26113] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26113] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26113] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26113] exit_group(0)               = ?
[pid 26113] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26113, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26114
./strace-static-x86_64: Process 26114 attached
[pid 26114] set_robust_list(0x555555f76660, 24) = 0
[pid 26114] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26114] setpgid(0, 0)               = 0
[pid 26114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26114] write(3, "1000", 4)         = 4
[pid 26114] close(3)                    = 0
[pid 26114] write(1, "executing program\n", 18executing program
) = 18
[pid 26114] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26114] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26114] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26114] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26114] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26114] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26114] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26114] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26114] exit_group(0)               = ?
[pid 26114] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26114, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26115
./strace-static-x86_64: Process 26115 attached
[pid 26115] set_robust_list(0x555555f76660, 24) = 0
[pid 26115] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26115] setpgid(0, 0)               = 0
[pid 26115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26115] write(3, "1000", 4)         = 4
[pid 26115] close(3)                    = 0
[pid 26115] write(1, "executing program\n", 18executing program
) = 18
[pid 26115] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26115] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26115] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26115] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26115] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26115] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26115] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26115] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26115] exit_group(0)               = ?
[pid 26115] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26115, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26116
./strace-static-x86_64: Process 26116 attached
[pid 26116] set_robust_list(0x555555f76660, 24) = 0
[pid 26116] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26116] setpgid(0, 0)               = 0
[pid 26116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26116] write(3, "1000", 4)         = 4
[pid 26116] close(3)                    = 0
[pid 26116] write(1, "executing program\n", 18executing program
) = 18
[pid 26116] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26116] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26116] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26116] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26116] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26116] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26116] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26116] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26116] exit_group(0)               = ?
[pid 26116] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26116, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26118
./strace-static-x86_64: Process 26118 attached
[pid 26118] set_robust_list(0x555555f76660, 24) = 0
[pid 26118] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26118] setpgid(0, 0)               = 0
[pid 26118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26118] write(3, "1000", 4)         = 4
[pid 26118] close(3)                    = 0
[pid 26118] write(1, "executing program\n", 18executing program
) = 18
[pid 26118] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26118] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26118] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26118] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26118] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26118] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26118] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26118] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26118] exit_group(0)               = ?
[pid 26118] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26118, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26119
./strace-static-x86_64: Process 26119 attached
[pid 26119] set_robust_list(0x555555f76660, 24) = 0
[pid 26119] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26119] setpgid(0, 0)               = 0
[pid 26119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26119] write(3, "1000", 4)         = 4
[pid 26119] close(3executing program
)                    = 0
[pid 26119] write(1, "executing program\n", 18) = 18
[pid 26119] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26119] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26119] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26119] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26119] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26119] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26119] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26119] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26119] exit_group(0)               = ?
[pid 26119] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26119, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26120 attached
, child_tidptr=0x555555f76650) = 26120
[pid 26120] set_robust_list(0x555555f76660, 24) = 0
[pid 26120] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26120] setpgid(0, 0)               = 0
[pid 26120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26120] write(3, "1000", 4)         = 4
[pid 26120] close(3)                    = 0
executing program
[pid 26120] write(1, "executing program\n", 18) = 18
[pid 26120] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26120] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26120] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26120] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26120] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26120] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26120] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26120] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26120] exit_group(0)               = ?
[pid 26120] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26120, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26121 attached
, child_tidptr=0x555555f76650) = 26121
[pid 26121] set_robust_list(0x555555f76660, 24) = 0
[pid 26121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26121] setpgid(0, 0)               = 0
[pid 26121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26121] write(3, "1000", 4)         = 4
[pid 26121] close(3)                    = 0
executing program
[pid 26121] write(1, "executing program\n", 18) = 18
[pid 26121] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26121] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26121] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26121] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26121] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26121] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26121] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26121] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26121] exit_group(0)               = ?
[pid 26121] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26121, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26122 attached
, child_tidptr=0x555555f76650) = 26122
[pid 26122] set_robust_list(0x555555f76660, 24) = 0
[pid 26122] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26122] setpgid(0, 0)               = 0
[pid 26122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26122] write(3, "1000", 4)         = 4
executing program
[pid 26122] close(3)                    = 0
[pid 26122] write(1, "executing program\n", 18) = 18
[pid 26122] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26122] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26122] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26122] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26122] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26122] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26122] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26122] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26122] exit_group(0)               = ?
[pid 26122] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26122, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26123
./strace-static-x86_64: Process 26123 attached
[pid 26123] set_robust_list(0x555555f76660, 24) = 0
[pid 26123] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26123] setpgid(0, 0)               = 0
[pid 26123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26123] write(3, "1000", 4)         = 4
[pid 26123] close(3)                    = 0
[pid 26123] write(1, "executing program\n", 18executing program
) = 18
[pid 26123] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26123] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26123] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26123] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26123] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26123] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26123] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26123] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26123] exit_group(0)               = ?
[pid 26123] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26123, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26124 attached
, child_tidptr=0x555555f76650) = 26124
[pid 26124] set_robust_list(0x555555f76660, 24) = 0
[pid 26124] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26124] setpgid(0, 0)               = 0
[pid 26124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26124] write(3, "1000", 4)         = 4
[pid 26124] close(3)                    = 0
[pid 26124] write(1, "executing program\n", 18executing program
) = 18
[pid 26124] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26124] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26124] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26124] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26124] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26124] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26124] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26124] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26124] exit_group(0)               = ?
[pid 26124] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26124, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26125 attached
, child_tidptr=0x555555f76650) = 26125
[pid 26125] set_robust_list(0x555555f76660, 24) = 0
[pid 26125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26125] setpgid(0, 0)               = 0
[pid 26125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26125] write(3, "1000", 4)         = 4
[pid 26125] close(3)                    = 0
[pid 26125] write(1, "executing program\n", 18executing program
) = 18
[pid 26125] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26125] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26125] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26125] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26125] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26125] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26125] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26125] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26125] exit_group(0)               = ?
[pid 26125] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26125, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26126 attached
, child_tidptr=0x555555f76650) = 26126
[pid 26126] set_robust_list(0x555555f76660, 24) = 0
[pid 26126] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26126] setpgid(0, 0)               = 0
[pid 26126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26126] write(3, "1000", 4)         = 4
[pid 26126] close(3executing program
)                    = 0
[pid 26126] write(1, "executing program\n", 18) = 18
[pid 26126] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26126] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26126] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26126] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26126] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26126] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26126] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26126] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26126] exit_group(0)               = ?
[pid 26126] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26126, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26127
./strace-static-x86_64: Process 26127 attached
[pid 26127] set_robust_list(0x555555f76660, 24) = 0
[pid 26127] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26127] setpgid(0, 0)               = 0
[pid 26127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26127] write(3, "1000", 4)         = 4
[pid 26127] close(3)                    = 0
[pid 26127] write(1, "executing program\n", 18executing program
) = 18
[pid 26127] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26127] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26127] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26127] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26127] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26127] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26127] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26127] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26127] exit_group(0)               = ?
[pid 26127] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26127, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26128
./strace-static-x86_64: Process 26128 attached
[pid 26128] set_robust_list(0x555555f76660, 24) = 0
[pid 26128] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26128] setpgid(0, 0)               = 0
[pid 26128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26128] write(3, "1000", 4)         = 4
[pid 26128] close(3)                    = 0
[pid 26128] write(1, "executing program\n", 18executing program
) = 18
[pid 26128] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26128] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26128] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26128] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26128] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26128] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26128] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26128] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26128] exit_group(0)               = ?
[pid 26128] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26128, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26129
./strace-static-x86_64: Process 26129 attached
[pid 26129] set_robust_list(0x555555f76660, 24) = 0
[pid 26129] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26129] setpgid(0, 0)               = 0
[pid 26129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26129] write(3, "1000", 4)         = 4
[pid 26129] close(3)                    = 0
[pid 26129] write(1, "executing program\n", 18executing program
) = 18
[pid 26129] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26129] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26129] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26129] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26129] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26129] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26129] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26129] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26129] exit_group(0)               = ?
[pid 26129] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26129, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26130 attached
, child_tidptr=0x555555f76650) = 26130
[pid 26130] set_robust_list(0x555555f76660, 24) = 0
[pid 26130] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26130] setpgid(0, 0)               = 0
[pid 26130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26130] write(3, "1000", 4)         = 4
[pid 26130] close(3)                    = 0
[pid 26130] write(1, "executing program\n", 18) = 18
[pid 26130] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26130] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26130] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26130] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26130] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26130] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26130] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26130] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26130] exit_group(0)               = ?
[pid 26130] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26130, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26131 attached
, child_tidptr=0x555555f76650) = 26131
[pid 26131] set_robust_list(0x555555f76660, 24) = 0
[pid 26131] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26131] setpgid(0, 0)               = 0
[pid 26131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26131] write(3, "1000", 4)         = 4
[pid 26131] close(3)                    = 0
[pid 26131] write(1, "executing program\n", 18executing program
) = 18
[pid 26131] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26131] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26131] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26131] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26131] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26131] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26131] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26131] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26131] exit_group(0)               = ?
[pid 26131] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26131, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26132 attached
, child_tidptr=0x555555f76650) = 26132
[pid 26132] set_robust_list(0x555555f76660, 24) = 0
[pid 26132] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26132] setpgid(0, 0)               = 0
[pid 26132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26132] write(3, "1000", 4)         = 4
[pid 26132] close(3)                    = 0
[pid 26132] write(1, "executing program\n", 18executing program
) = 18
[pid 26132] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26132] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26132] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26132] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26132] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26132] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26132] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26132] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26132] exit_group(0)               = ?
[pid 26132] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26132, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26133 attached
, child_tidptr=0x555555f76650) = 26133
[pid 26133] set_robust_list(0x555555f76660, 24) = 0
[pid 26133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26133] setpgid(0, 0)               = 0
[pid 26133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26133] write(3, "1000", 4)         = 4
[pid 26133] close(3)                    = 0
executing program
[pid 26133] write(1, "executing program\n", 18) = 18
[pid 26133] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26133] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26133] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26133] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26133] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26133] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26133] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26133] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26133] exit_group(0)               = ?
[pid 26133] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26133, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26134
./strace-static-x86_64: Process 26134 attached
[pid 26134] set_robust_list(0x555555f76660, 24) = 0
[pid 26134] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26134] setpgid(0, 0)               = 0
[pid 26134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26134] write(3, "1000", 4)         = 4
[pid 26134] close(3)                    = 0
executing program
[pid 26134] write(1, "executing program\n", 18) = 18
[pid 26134] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26134] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26134] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26134] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26134] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26134] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26134] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26134] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26134] exit_group(0)               = ?
[pid 26134] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26134, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26135
./strace-static-x86_64: Process 26135 attached
[pid 26135] set_robust_list(0x555555f76660, 24) = 0
[pid 26135] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26135] setpgid(0, 0)               = 0
[pid 26135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26135] write(3, "1000", 4)         = 4
[pid 26135] close(3)                    = 0
executing program
[pid 26135] write(1, "executing program\n", 18) = 18
[pid 26135] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26135] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26135] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26135] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26135] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26135] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26135] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26135] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26135] exit_group(0)               = ?
[pid 26135] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26135, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26136 attached
, child_tidptr=0x555555f76650) = 26136
[pid 26136] set_robust_list(0x555555f76660, 24) = 0
[pid 26136] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26136] setpgid(0, 0)               = 0
[pid 26136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26136] write(3, "1000", 4)         = 4
[pid 26136] close(3)                    = 0
[pid 26136] write(1, "executing program\n", 18executing program
) = 18
[pid 26136] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26136] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26136] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26136] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26136] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26136] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26136] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26136] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26136] exit_group(0)               = ?
[pid 26136] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26136, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26137
./strace-static-x86_64: Process 26137 attached
[pid 26137] set_robust_list(0x555555f76660, 24) = 0
[pid 26137] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26137] setpgid(0, 0)               = 0
[pid 26137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26137] write(3, "1000", 4)         = 4
[pid 26137] close(3)                    = 0
[pid 26137] write(1, "executing program\n", 18executing program
) = 18
[pid 26137] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26137] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26137] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26137] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26137] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26137] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26137] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26137] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26137] exit_group(0)               = ?
[pid 26137] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26137, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26138
./strace-static-x86_64: Process 26138 attached
[pid 26138] set_robust_list(0x555555f76660, 24) = 0
[pid 26138] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26138] setpgid(0, 0)               = 0
[pid 26138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26138] write(3, "1000", 4executing program
)         = 4
[pid 26138] close(3)                    = 0
[pid 26138] write(1, "executing program\n", 18) = 18
[pid 26138] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26138] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26138] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26138] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26138] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26138] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26138] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26138] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26138] exit_group(0)               = ?
[pid 26138] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26138, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26139 attached
, child_tidptr=0x555555f76650) = 26139
[pid 26139] set_robust_list(0x555555f76660, 24) = 0
[pid 26139] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26139] setpgid(0, 0)               = 0
[pid 26139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26139] write(3, "1000", 4)         = 4
[pid 26139] close(3executing program
)                    = 0
[pid 26139] write(1, "executing program\n", 18) = 18
[pid 26139] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26139] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26139] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26139] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26139] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26139] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26139] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26139] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26139] exit_group(0)               = ?
[pid 26139] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26139, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26140 attached
, child_tidptr=0x555555f76650) = 26140
[pid 26140] set_robust_list(0x555555f76660, 24) = 0
[pid 26140] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26140] setpgid(0, 0)               = 0
[pid 26140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26140] write(3, "1000", 4)         = 4
[pid 26140] close(3)                    = 0
[pid 26140] write(1, "executing program\n", 18executing program
) = 18
[pid 26140] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26140] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26140] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26140] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26140] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26140] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26140] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26140] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26140] exit_group(0)               = ?
[pid 26140] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26140, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26141
./strace-static-x86_64: Process 26141 attached
[pid 26141] set_robust_list(0x555555f76660, 24) = 0
[pid 26141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26141] setpgid(0, 0)               = 0
[pid 26141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26141] write(3, "1000", 4)         = 4
[pid 26141] close(3)                    = 0
[pid 26141] write(1, "executing program\n", 18executing program
) = 18
[pid 26141] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26141] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26141] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26141] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26141] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26141] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26141] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26141] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26141] exit_group(0)               = ?
[pid 26141] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26141, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26142
./strace-static-x86_64: Process 26142 attached
[pid 26142] set_robust_list(0x555555f76660, 24) = 0
[pid 26142] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26142] setpgid(0, 0)               = 0
[pid 26142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26142] write(3, "1000", 4)         = 4
[pid 26142] close(3)                    = 0
[pid 26142] write(1, "executing program\n", 18executing program
) = 18
[pid 26142] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26142] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26142] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26142] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26142] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26142] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26142] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26142] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26142] exit_group(0)               = ?
[pid 26142] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26142, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26143
./strace-static-x86_64: Process 26143 attached
[pid 26143] set_robust_list(0x555555f76660, 24) = 0
[pid 26143] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26143] setpgid(0, 0)               = 0
[pid 26143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26143] write(3, "1000", 4)         = 4
[pid 26143] close(3)                    = 0
[pid 26143] write(1, "executing program\n", 18executing program
) = 18
[pid 26143] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26143] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26143] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26143] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26143] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26143] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26143] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26143] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26143] exit_group(0)               = ?
[pid 26143] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26143, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26144 attached
, child_tidptr=0x555555f76650) = 26144
[pid 26144] set_robust_list(0x555555f76660, 24) = 0
[pid 26144] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26144] setpgid(0, 0)               = 0
[pid 26144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26144] write(3, "1000", 4)         = 4
[pid 26144] close(3)                    = 0
[pid 26144] write(1, "executing program\n", 18executing program
) = 18
[pid 26144] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26144] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26144] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26144] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26144] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26144] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26144] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26144] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26144] exit_group(0)               = ?
[pid 26144] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26144, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26145 attached
, child_tidptr=0x555555f76650) = 26145
[pid 26145] set_robust_list(0x555555f76660, 24) = 0
[pid 26145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26145] setpgid(0, 0)               = 0
[pid 26145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26145] write(3, "1000", 4)         = 4
[pid 26145] close(3)                    = 0
[pid 26145] write(1, "executing program\n", 18executing program
) = 18
[pid 26145] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26145] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26145] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26145] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26145] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26145] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26145] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26145] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26145] exit_group(0)               = ?
[pid 26145] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26145, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26146 attached
, child_tidptr=0x555555f76650) = 26146
[pid 26146] set_robust_list(0x555555f76660, 24) = 0
[pid 26146] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26146] setpgid(0, 0)               = 0
[pid 26146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26146] write(3, "1000", 4)         = 4
[pid 26146] close(3)                    = 0
[pid 26146] write(1, "executing program\n", 18executing program
) = 18
[pid 26146] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26146] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26146] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26146] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26146] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26146] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26146] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26146] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26146] exit_group(0)               = ?
[pid 26146] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26146, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26147
./strace-static-x86_64: Process 26147 attached
[pid 26147] set_robust_list(0x555555f76660, 24) = 0
[pid 26147] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26147] setpgid(0, 0)               = 0
[pid 26147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26147] write(3, "1000", 4)         = 4
[pid 26147] close(3)                    = 0
[pid 26147] write(1, "executing program\n", 18executing program
) = 18
[pid 26147] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26147] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26147] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26147] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26147] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26147] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26147] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26147] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26147] exit_group(0)               = ?
[pid 26147] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26147, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26148
./strace-static-x86_64: Process 26148 attached
[pid 26148] set_robust_list(0x555555f76660, 24) = 0
[pid 26148] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26148] setpgid(0, 0)               = 0
[pid 26148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26148] write(3, "1000", 4)         = 4
[pid 26148] close(3)                    = 0
[pid 26148] write(1, "executing program\n", 18executing program
) = 18
[pid 26148] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26148] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26148] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26148] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26148] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26148] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26148] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26148] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26148] exit_group(0)               = ?
[pid 26148] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26148, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26149
./strace-static-x86_64: Process 26149 attached
[pid 26149] set_robust_list(0x555555f76660, 24) = 0
[pid 26149] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26149] setpgid(0, 0)               = 0
[pid 26149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26149] write(3, "1000", 4)         = 4
[pid 26149] close(3)                    = 0
[pid 26149] write(1, "executing program\n", 18executing program
) = 18
[pid 26149] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26149] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26149] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26149] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26149] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26149] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26149] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26149] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26149] exit_group(0)               = ?
[pid 26149] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26149, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26150 attached
, child_tidptr=0x555555f76650) = 26150
[pid 26150] set_robust_list(0x555555f76660, 24) = 0
[pid 26150] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26150] setpgid(0, 0)               = 0
[pid 26150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26150] write(3, "1000", 4)         = 4
[pid 26150] close(3)                    = 0
[pid 26150] write(1, "executing program\n", 18executing program
) = 18
[pid 26150] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26150] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26150] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26150] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26150] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26150] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26150] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26150] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26150] exit_group(0)               = ?
[pid 26150] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26150, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26151
./strace-static-x86_64: Process 26151 attached
[pid 26151] set_robust_list(0x555555f76660, 24) = 0
[pid 26151] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26151] setpgid(0, 0)               = 0
[pid 26151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26151] write(3, "1000", 4)         = 4
[pid 26151] close(3)                    = 0
[pid 26151] write(1, "executing program\n", 18executing program
) = 18
[pid 26151] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26151] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26151] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26151] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26151] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26151] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26151] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26151] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26151] exit_group(0)               = ?
[pid 26151] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26151, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26152 attached
, child_tidptr=0x555555f76650) = 26152
[pid 26152] set_robust_list(0x555555f76660, 24) = 0
[pid 26152] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26152] setpgid(0, 0)               = 0
[pid 26152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26152] write(3, "1000", 4)         = 4
[pid 26152] close(3)                    = 0
[pid 26152] write(1, "executing program\n", 18executing program
) = 18
[pid 26152] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26152] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26152] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26152] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26152] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26152] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26152] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26152] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26152] exit_group(0)               = ?
[pid 26152] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26152, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26153
./strace-static-x86_64: Process 26153 attached
[pid 26153] set_robust_list(0x555555f76660, 24) = 0
[pid 26153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26153] setpgid(0, 0)               = 0
[pid 26153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26153] write(3, "1000", 4)         = 4
[pid 26153] close(3)                    = 0
[pid 26153] write(1, "executing program\n", 18executing program
) = 18
[pid 26153] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26153] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26153] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26153] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26153] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26153] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26153] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26153] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26153] exit_group(0)               = ?
[pid 26153] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26153, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26154 attached
, child_tidptr=0x555555f76650) = 26154
[pid 26154] set_robust_list(0x555555f76660, 24) = 0
[pid 26154] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26154] setpgid(0, 0)               = 0
[pid 26154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26154] write(3, "1000", 4)         = 4
[pid 26154] close(3)                    = 0
[pid 26154] write(1, "executing program\n", 18executing program
) = 18
[pid 26154] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26154] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26154] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26154] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26154] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26154] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26154] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26154] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26154] exit_group(0)               = ?
[pid 26154] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26154, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26155 attached
, child_tidptr=0x555555f76650) = 26155
[pid 26155] set_robust_list(0x555555f76660, 24) = 0
[pid 26155] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26155] setpgid(0, 0)               = 0
[pid 26155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26155] write(3, "1000", 4)         = 4
[pid 26155] close(3)                    = 0
executing program
[pid 26155] write(1, "executing program\n", 18) = 18
[pid 26155] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26155] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26155] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26155] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26155] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26155] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26155] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26155] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26155] exit_group(0)               = ?
[pid 26155] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26155, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26156 attached
, child_tidptr=0x555555f76650) = 26156
[pid 26156] set_robust_list(0x555555f76660, 24) = 0
[pid 26156] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26156] setpgid(0, 0)               = 0
[pid 26156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26156] write(3, "1000", 4)         = 4
[pid 26156] close(3)                    = 0
executing program
[pid 26156] write(1, "executing program\n", 18) = 18
[pid 26156] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26156] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26156] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26156] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26156] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26156] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26156] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26156] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26156] exit_group(0)               = ?
[pid 26156] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26156, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26157 attached
, child_tidptr=0x555555f76650) = 26157
[pid 26157] set_robust_list(0x555555f76660, 24) = 0
[pid 26157] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26157] setpgid(0, 0)               = 0
[pid 26157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26157] write(3, "1000", 4)         = 4
[pid 26157] close(3)                    = 0
executing program
[pid 26157] write(1, "executing program\n", 18) = 18
[pid 26157] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26157] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26157] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26157] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26157] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26157] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26157] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26157] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26157] exit_group(0)               = ?
[pid 26157] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26157, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26158
./strace-static-x86_64: Process 26158 attached
[pid 26158] set_robust_list(0x555555f76660, 24) = 0
[pid 26158] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26158] setpgid(0, 0)               = 0
[pid 26158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26158] write(3, "1000", 4)         = 4
[pid 26158] close(3)                    = 0
executing program
[pid 26158] write(1, "executing program\n", 18) = 18
[pid 26158] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26158] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26158] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26158] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26158] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26158] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26158] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26158] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26158] exit_group(0)               = ?
[pid 26158] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26158, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26159
./strace-static-x86_64: Process 26159 attached
[pid 26159] set_robust_list(0x555555f76660, 24) = 0
[pid 26159] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26159] setpgid(0, 0)               = 0
[pid 26159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26159] write(3, "1000", 4)         = 4
[pid 26159] close(3)                    = 0
[pid 26159] write(1, "executing program\n", 18executing program
) = 18
[pid 26159] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26159] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26159] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26159] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26159] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26159] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26159] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26159] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26159] exit_group(0)               = ?
[pid 26159] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26159, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26160
./strace-static-x86_64: Process 26160 attached
[pid 26160] set_robust_list(0x555555f76660, 24) = 0
[pid 26160] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26160] setpgid(0, 0)               = 0
[pid 26160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26160] write(3, "1000", 4)         = 4
[pid 26160] close(3)                    = 0
[pid 26160] write(1, "executing program\n", 18executing program
) = 18
[pid 26160] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26160] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26160] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26160] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26160] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26160] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26160] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26160] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26160] exit_group(0)               = ?
[pid 26160] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26160, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26161 attached
, child_tidptr=0x555555f76650) = 26161
[pid 26161] set_robust_list(0x555555f76660, 24) = 0
[pid 26161] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26161] setpgid(0, 0)               = 0
[pid 26161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26161] write(3, "1000", 4)         = 4
[pid 26161] close(3)                    = 0
[pid 26161] write(1, "executing program\n", 18executing program
) = 18
[pid 26161] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26161] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26161] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26161] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26161] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26161] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26161] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26161] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26161] exit_group(0)               = ?
[pid 26161] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26161, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26162
./strace-static-x86_64: Process 26162 attached
[pid 26162] set_robust_list(0x555555f76660, 24) = 0
[pid 26162] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26162] setpgid(0, 0)               = 0
[pid 26162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26162] write(3, "1000", 4)         = 4
[pid 26162] close(3)                    = 0
[pid 26162] write(1, "executing program\n", 18executing program
) = 18
[pid 26162] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26162] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26162] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26162] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26162] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26162] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26162] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26162] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26162] exit_group(0)               = ?
[pid 26162] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26162, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26163 attached
, child_tidptr=0x555555f76650) = 26163
[pid 26163] set_robust_list(0x555555f76660, 24) = 0
[pid 26163] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26163] setpgid(0, 0)               = 0
[pid 26163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26163] write(3, "1000", 4)         = 4
[pid 26163] close(3)                    = 0
executing program
[pid 26163] write(1, "executing program\n", 18) = 18
[pid 26163] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26163] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26163] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26163] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26163] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26163] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26163] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26163] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26163] exit_group(0)               = ?
[pid 26163] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26163, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26164
./strace-static-x86_64: Process 26164 attached
[pid 26164] set_robust_list(0x555555f76660, 24) = 0
[pid 26164] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26164] setpgid(0, 0)               = 0
[pid 26164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26164] write(3, "1000", 4)         = 4
[pid 26164] close(3)                    = 0
[pid 26164] write(1, "executing program\n", 18executing program
) = 18
[pid 26164] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26164] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26164] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26164] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26164] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26164] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26164] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26164] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26164] exit_group(0)               = ?
[pid 26164] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26164, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26165 attached
, child_tidptr=0x555555f76650) = 26165
[pid 26165] set_robust_list(0x555555f76660, 24) = 0
[pid 26165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26165] setpgid(0, 0)               = 0
[pid 26165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26165] write(3, "1000", 4)         = 4
[pid 26165] close(3)                    = 0
[pid 26165] write(1, "executing program\n", 18executing program
) = 18
[pid 26165] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26165] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26165] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26165] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26165] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26165] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26165] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26165] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26165] exit_group(0)               = ?
[pid 26165] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26165, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26166 attached
, child_tidptr=0x555555f76650) = 26166
[pid 26166] set_robust_list(0x555555f76660, 24) = 0
[pid 26166] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26166] setpgid(0, 0)               = 0
[pid 26166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26166] write(3, "1000", 4)         = 4
[pid 26166] close(3)                    = 0
[pid 26166] write(1, "executing program\n", 18executing program
) = 18
[pid 26166] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26166] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26166] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26166] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26166] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26166] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26166] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26166] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26166] exit_group(0)               = ?
[pid 26166] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26166, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26167
./strace-static-x86_64: Process 26167 attached
[pid 26167] set_robust_list(0x555555f76660, 24) = 0
[pid 26167] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26167] setpgid(0, 0)               = 0
[pid 26167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26167] write(3, "1000", 4)         = 4
[pid 26167] close(3)                    = 0
[pid 26167] write(1, "executing program\n", 18executing program
) = 18
[pid 26167] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26167] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26167] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26167] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26167] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26167] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26167] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26167] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26167] exit_group(0)               = ?
[pid 26167] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26167, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26168
./strace-static-x86_64: Process 26168 attached
[pid 26168] set_robust_list(0x555555f76660, 24) = 0
[pid 26168] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26168] setpgid(0, 0)               = 0
[pid 26168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26168] write(3, "1000", 4)         = 4
[pid 26168] close(3)                    = 0
[pid 26168] write(1, "executing program\n", 18executing program
) = 18
[pid 26168] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26168] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26168] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26168] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26168] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26168] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26168] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26168] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26168] exit_group(0)               = ?
[pid 26168] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26168, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26169
./strace-static-x86_64: Process 26169 attached
[pid 26169] set_robust_list(0x555555f76660, 24) = 0
[pid 26169] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26169] setpgid(0, 0)               = 0
[pid 26169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26169] write(3, "1000", 4)         = 4
[pid 26169] close(3)                    = 0
[pid 26169] write(1, "executing program\n", 18executing program
) = 18
[pid 26169] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26169] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26169] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26169] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26169] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26169] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26169] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26169] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26169] exit_group(0)               = ?
[pid 26169] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26169, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26170
./strace-static-x86_64: Process 26170 attached
[pid 26170] set_robust_list(0x555555f76660, 24) = 0
[pid 26170] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26170] setpgid(0, 0)               = 0
[pid 26170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26170] write(3, "1000", 4)         = 4
[pid 26170] close(3)                    = 0
[pid 26170] write(1, "executing program\n", 18executing program
) = 18
[pid 26170] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26170] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26170] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26170] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26170] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26170] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26170] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26170] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26170] exit_group(0)               = ?
[pid 26170] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26170, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26171
./strace-static-x86_64: Process 26171 attached
[pid 26171] set_robust_list(0x555555f76660, 24) = 0
[pid 26171] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26171] setpgid(0, 0)               = 0
[pid 26171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26171] write(3, "1000", 4)         = 4
[pid 26171] close(3)                    = 0
[pid 26171] write(1, "executing program\n", 18executing program
) = 18
[pid 26171] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26171] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26171] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26171] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26171] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26171] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26171] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26171] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26171] exit_group(0)               = ?
[pid 26171] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26171, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26172 attached
, child_tidptr=0x555555f76650) = 26172
[pid 26172] set_robust_list(0x555555f76660, 24) = 0
[pid 26172] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26172] setpgid(0, 0)               = 0
[pid 26172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26172] write(3, "1000", 4)         = 4
[pid 26172] close(3)                    = 0
[pid 26172] write(1, "executing program\n", 18executing program
) = 18
[pid 26172] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26172] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26172] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26172] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26172] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26172] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26172] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26172] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26172] exit_group(0)               = ?
[pid 26172] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26172, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26173 attached
, child_tidptr=0x555555f76650) = 26173
[pid 26173] set_robust_list(0x555555f76660, 24) = 0
[pid 26173] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26173] setpgid(0, 0)               = 0
[pid 26173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26173] write(3, "1000", 4)         = 4
[pid 26173] close(3)                    = 0
[pid 26173] write(1, "executing program\n", 18executing program
) = 18
[pid 26173] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26173] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26173] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26173] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26173] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26173] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26173] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26173] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26173] exit_group(0)               = ?
[pid 26173] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26173, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26174 attached
, child_tidptr=0x555555f76650) = 26174
[pid 26174] set_robust_list(0x555555f76660, 24) = 0
[pid 26174] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26174] setpgid(0, 0)               = 0
[pid 26174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26174] write(3, "1000", 4)         = 4
[pid 26174] close(3)                    = 0
[pid 26174] write(1, "executing program\n", 18executing program
) = 18
[pid 26174] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26174] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26174] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26174] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26174] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26174] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26174] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26174] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26174] exit_group(0)               = ?
[pid 26174] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26174, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26175
./strace-static-x86_64: Process 26175 attached
[pid 26175] set_robust_list(0x555555f76660, 24) = 0
[pid 26175] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26175] setpgid(0, 0)               = 0
[pid 26175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26175] write(3, "1000", 4)         = 4
[pid 26175] close(3)                    = 0
[pid 26175] write(1, "executing program\n", 18executing program
) = 18
[pid 26175] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26175] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26175] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26175] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26175] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26175] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26175] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26175] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26175] exit_group(0)               = ?
[pid 26175] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26175, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26176 attached
, child_tidptr=0x555555f76650) = 26176
[pid 26176] set_robust_list(0x555555f76660, 24) = 0
[pid 26176] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26176] setpgid(0, 0)               = 0
[pid 26176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26176] write(3, "1000", 4)         = 4
[pid 26176] close(3)                    = 0
[pid 26176] write(1, "executing program\n", 18executing program
) = 18
[pid 26176] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26176] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26176] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26176] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26176] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26176] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26176] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26176] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26176] exit_group(0)               = ?
[pid 26176] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26176, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26177 attached
, child_tidptr=0x555555f76650) = 26177
[pid 26177] set_robust_list(0x555555f76660, 24) = 0
[pid 26177] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26177] setpgid(0, 0)               = 0
[pid 26177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26177] write(3, "1000", 4)         = 4
[pid 26177] close(3)                    = 0
[pid 26177] write(1, "executing program\n", 18executing program
) = 18
[pid 26177] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26177] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26177] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26177] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26177] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26177] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26177] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26177] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26177] exit_group(0)               = ?
[pid 26177] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26177, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26178 attached
, child_tidptr=0x555555f76650) = 26178
[pid 26178] set_robust_list(0x555555f76660, 24) = 0
[pid 26178] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26178] setpgid(0, 0)               = 0
[pid 26178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26178] write(3, "1000", 4)         = 4
[pid 26178] close(3executing program
)                    = 0
[pid 26178] write(1, "executing program\n", 18) = 18
[pid 26178] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26178] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26178] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26178] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26178] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26178] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26178] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26178] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26178] exit_group(0)               = ?
[pid 26178] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26178, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26179 attached
, child_tidptr=0x555555f76650) = 26179
[pid 26179] set_robust_list(0x555555f76660, 24) = 0
[pid 26179] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26179] setpgid(0, 0)               = 0
[pid 26179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26179] write(3, "1000", 4)         = 4
[pid 26179] close(3)                    = 0
[pid 26179] write(1, "executing program\n", 18executing program
) = 18
[pid 26179] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26179] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26179] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26179] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26179] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26179] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26179] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26179] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26179] exit_group(0)               = ?
[pid 26179] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26179, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26180
./strace-static-x86_64: Process 26180 attached
[pid 26180] set_robust_list(0x555555f76660, 24) = 0
[pid 26180] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26180] setpgid(0, 0)               = 0
[pid 26180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26180] write(3, "1000", 4)         = 4
[pid 26180] close(3)                    = 0
[pid 26180] write(1, "executing program\n", 18executing program
) = 18
[pid 26180] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26180] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26180] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26180] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26180] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26180] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26180] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26180] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26180] exit_group(0)               = ?
[pid 26180] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26180, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26181
./strace-static-x86_64: Process 26181 attached
[pid 26181] set_robust_list(0x555555f76660, 24) = 0
[pid 26181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26181] setpgid(0, 0)               = 0
[pid 26181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26181] write(3, "1000", 4)         = 4
[pid 26181] close(3)                    = 0
[pid 26181] write(1, "executing program\n", 18executing program
) = 18
[pid 26181] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26181] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26181] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26181] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26181] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26181] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26181] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26181] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26181] exit_group(0)               = ?
[pid 26181] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26181, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26182 attached
, child_tidptr=0x555555f76650) = 26182
[pid 26182] set_robust_list(0x555555f76660, 24) = 0
[pid 26182] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26182] setpgid(0, 0)               = 0
[pid 26182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26182] write(3, "1000", 4)         = 4
[pid 26182] close(3)                    = 0
executing program
[pid 26182] write(1, "executing program\n", 18) = 18
[pid 26182] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26182] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26182] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26182] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26182] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26182] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26182] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26182] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26182] exit_group(0)               = ?
[pid 26182] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26182, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26183
./strace-static-x86_64: Process 26183 attached
[pid 26183] set_robust_list(0x555555f76660, 24) = 0
[pid 26183] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26183] setpgid(0, 0)               = 0
[pid 26183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26183] write(3, "1000", 4)         = 4
[pid 26183] close(3)                    = 0
[pid 26183] write(1, "executing program\n", 18executing program
) = 18
[pid 26183] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26183] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26183] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26183] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26183] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26183] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26183] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26183] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26183] exit_group(0)               = ?
[pid 26183] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26183, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26184
./strace-static-x86_64: Process 26184 attached
[pid 26184] set_robust_list(0x555555f76660, 24) = 0
[pid 26184] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26184] setpgid(0, 0)               = 0
[pid 26184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26184] write(3, "1000", 4)         = 4
[pid 26184] close(3)                    = 0
[pid 26184] write(1, "executing program\n", 18executing program
) = 18
[pid 26184] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26184] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26184] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26184] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26184] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26184] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26184] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26184] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26184] exit_group(0)               = ?
[pid 26184] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26184, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26185
./strace-static-x86_64: Process 26185 attached
[pid 26185] set_robust_list(0x555555f76660, 24) = 0
[pid 26185] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26185] setpgid(0, 0)               = 0
[pid 26185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26185] write(3, "1000", 4)         = 4
[pid 26185] close(3)                    = 0
[pid 26185] write(1, "executing program\n", 18executing program
) = 18
[pid 26185] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26185] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26185] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26185] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26185] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26185] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26185] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26185] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26185] exit_group(0)               = ?
[pid 26185] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26185, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26186 attached
, child_tidptr=0x555555f76650) = 26186
[pid 26186] set_robust_list(0x555555f76660, 24) = 0
[pid 26186] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26186] setpgid(0, 0)               = 0
[pid 26186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26186] write(3, "1000", 4)         = 4
[pid 26186] close(3)                    = 0
[pid 26186] write(1, "executing program\n", 18executing program
) = 18
[pid 26186] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26186] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26186] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26186] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26186] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26186] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26186] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26186] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26186] exit_group(0)               = ?
[pid 26186] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26186, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26187 attached
, child_tidptr=0x555555f76650) = 26187
[pid 26187] set_robust_list(0x555555f76660, 24) = 0
[pid 26187] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26187] setpgid(0, 0)               = 0
[pid 26187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26187] write(3, "1000", 4)         = 4
[pid 26187] close(3)                    = 0
[pid 26187] write(1, "executing program\n", 18executing program
) = 18
[pid 26187] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26187] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26187] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26187] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26187] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26187] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26187] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26187] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26187] exit_group(0)               = ?
[pid 26187] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26187, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26188
./strace-static-x86_64: Process 26188 attached
[pid 26188] set_robust_list(0x555555f76660, 24) = 0
[pid 26188] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26188] setpgid(0, 0)               = 0
[pid 26188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26188] write(3, "1000", 4)         = 4
[pid 26188] close(3)                    = 0
[pid 26188] write(1, "executing program\n", 18executing program
) = 18
[pid 26188] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26188] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26188] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26188] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26188] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26188] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26188] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26188] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26188] exit_group(0)               = ?
[pid 26188] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26188, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26189 attached
, child_tidptr=0x555555f76650) = 26189
[pid 26189] set_robust_list(0x555555f76660, 24) = 0
[pid 26189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26189] setpgid(0, 0)               = 0
[pid 26189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26189] write(3, "1000", 4)         = 4
[pid 26189] close(3)                    = 0
[pid 26189] write(1, "executing program\n", 18executing program
) = 18
[pid 26189] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26189] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26189] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26189] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26189] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26189] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26189] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26189] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26189] exit_group(0)               = ?
[pid 26189] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26189, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26190 attached
, child_tidptr=0x555555f76650) = 26190
[pid 26190] set_robust_list(0x555555f76660, 24) = 0
[pid 26190] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26190] setpgid(0, 0)               = 0
[pid 26190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26190] write(3, "1000", 4)         = 4
[pid 26190] close(3)                    = 0
[pid 26190] write(1, "executing program\n", 18executing program
) = 18
[pid 26190] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26190] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26190] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26190] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26190] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26190] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26190] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26190] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26190] exit_group(0)               = ?
[pid 26190] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26190, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26191
./strace-static-x86_64: Process 26191 attached
[pid 26191] set_robust_list(0x555555f76660, 24) = 0
[pid 26191] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26191] setpgid(0, 0)               = 0
[pid 26191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26191] write(3, "1000", 4)         = 4
[pid 26191] close(3)                    = 0
[pid 26191] write(1, "executing program\n", 18executing program
) = 18
[pid 26191] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26191] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26191] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26191] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26191] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26191] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26191] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26191] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26191] exit_group(0)               = ?
[pid 26191] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26191, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26192
./strace-static-x86_64: Process 26192 attached
[pid 26192] set_robust_list(0x555555f76660, 24) = 0
[pid 26192] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26192] setpgid(0, 0)               = 0
[pid 26192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26192] write(3, "1000", 4)         = 4
[pid 26192] close(3)                    = 0
[pid 26192] write(1, "executing program\n", 18executing program
) = 18
[pid 26192] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26192] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26192] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26192] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26192] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26192] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26192] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26192] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26192] exit_group(0)               = ?
[pid 26192] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26192, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26193 attached
, child_tidptr=0x555555f76650) = 26193
[pid 26193] set_robust_list(0x555555f76660, 24) = 0
[pid 26193] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26193] setpgid(0, 0)               = 0
[pid 26193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26193] write(3, "1000", 4)         = 4
[pid 26193] close(3)                    = 0
[pid 26193] write(1, "executing program\n", 18executing program
) = 18
[pid 26193] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26193] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26193] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26193] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26193] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26193] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26193] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26193] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26193] exit_group(0)               = ?
[pid 26193] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26193, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26194
./strace-static-x86_64: Process 26194 attached
[pid 26194] set_robust_list(0x555555f76660, 24) = 0
[pid 26194] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26194] setpgid(0, 0)               = 0
[pid 26194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26194] write(3, "1000", 4)         = 4
[pid 26194] close(3)                    = 0
[pid 26194] write(1, "executing program\n", 18executing program
) = 18
[pid 26194] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26194] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26194] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26194] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26194] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26194] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26194] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26194] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26194] exit_group(0)               = ?
[pid 26194] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26194, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26195 attached
, child_tidptr=0x555555f76650) = 26195
[pid 26195] set_robust_list(0x555555f76660, 24) = 0
[pid 26195] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26195] setpgid(0, 0)               = 0
[pid 26195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26195] write(3, "1000", 4)         = 4
[pid 26195] close(3)                    = 0
[pid 26195] write(1, "executing program\n", 18executing program
) = 18
[pid 26195] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26195] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26195] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26195] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26195] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26195] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26195] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26195] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26195] exit_group(0)               = ?
[pid 26195] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26195, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26196 attached
, child_tidptr=0x555555f76650) = 26196
[pid 26196] set_robust_list(0x555555f76660, 24) = 0
[pid 26196] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26196] setpgid(0, 0)               = 0
[pid 26196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26196] write(3, "1000", 4)         = 4
[pid 26196] close(3)                    = 0
[pid 26196] write(1, "executing program\n", 18executing program
) = 18
[pid 26196] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26196] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26196] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26196] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26196] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26196] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26196] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26196] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26196] exit_group(0)               = ?
[pid 26196] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26196, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26197
./strace-static-x86_64: Process 26197 attached
[pid 26197] set_robust_list(0x555555f76660, 24) = 0
[pid 26197] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26197] setpgid(0, 0)               = 0
[pid 26197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26197] write(3, "1000", 4)         = 4
[pid 26197] close(3)                    = 0
[pid 26197] write(1, "executing program\n", 18executing program
) = 18
[pid 26197] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26197] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26197] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26197] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26197] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26197] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26197] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26197] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26197] exit_group(0)               = ?
[pid 26197] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26197, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26198 attached
, child_tidptr=0x555555f76650) = 26198
[pid 26198] set_robust_list(0x555555f76660, 24) = 0
[pid 26198] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26198] setpgid(0, 0)               = 0
[pid 26198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26198] write(3, "1000", 4)         = 4
[pid 26198] close(3)                    = 0
[pid 26198] write(1, "executing program\n", 18executing program
) = 18
[pid 26198] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26198] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26198] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26198] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26198] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26198] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26198] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26198] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26198] exit_group(0)               = ?
[pid 26198] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26198, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26199
./strace-static-x86_64: Process 26199 attached
[pid 26199] set_robust_list(0x555555f76660, 24) = 0
[pid 26199] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26199] setpgid(0, 0)               = 0
[pid 26199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26199] write(3, "1000", 4)         = 4
[pid 26199] close(3)                    = 0
[pid 26199] write(1, "executing program\n", 18executing program
) = 18
[pid 26199] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26199] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26199] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26199] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26199] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26199] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26199] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26199] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26199] exit_group(0)               = ?
[pid 26199] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26199, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26200
./strace-static-x86_64: Process 26200 attached
[pid 26200] set_robust_list(0x555555f76660, 24) = 0
[pid 26200] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26200] setpgid(0, 0)               = 0
[pid 26200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26200] write(3, "1000", 4)         = 4
[pid 26200] close(3)                    = 0
[pid 26200] write(1, "executing program\n", 18executing program
) = 18
[pid 26200] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26200] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26200] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26200] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26200] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26200] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26200] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26200] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26200] exit_group(0)               = ?
[pid 26200] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26200, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26201
./strace-static-x86_64: Process 26201 attached
[pid 26201] set_robust_list(0x555555f76660, 24) = 0
[pid 26201] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26201] setpgid(0, 0)               = 0
[pid 26201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26201] write(3, "1000", 4)         = 4
[pid 26201] close(3)                    = 0
[pid 26201] write(1, "executing program\n", 18executing program
) = 18
[pid 26201] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26201] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26201] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26201] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26201] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26201] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26201] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26201] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26201] exit_group(0)               = ?
[pid 26201] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26201, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26202 attached
, child_tidptr=0x555555f76650) = 26202
[pid 26202] set_robust_list(0x555555f76660, 24) = 0
[pid 26202] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26202] setpgid(0, 0)               = 0
[pid 26202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26202] write(3, "1000", 4)         = 4
[pid 26202] close(3)                    = 0
[pid 26202] write(1, "executing program\n", 18executing program
) = 18
[pid 26202] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26202] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26202] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26202] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26202] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26202] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26202] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26202] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26202] exit_group(0)               = ?
[pid 26202] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26202, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26203
./strace-static-x86_64: Process 26203 attached
[pid 26203] set_robust_list(0x555555f76660, 24) = 0
[pid 26203] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26203] setpgid(0, 0)               = 0
[pid 26203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26203] write(3, "1000", 4)         = 4
[pid 26203] close(3)                    = 0
[pid 26203] write(1, "executing program\n", 18executing program
) = 18
[pid 26203] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26203] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26203] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26203] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26203] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26203] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26203] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26203] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26203] exit_group(0)               = ?
[pid 26203] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26203, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26204
./strace-static-x86_64: Process 26204 attached
[pid 26204] set_robust_list(0x555555f76660, 24) = 0
[pid 26204] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26204] setpgid(0, 0)               = 0
[pid 26204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26204] write(3, "1000", 4)         = 4
[pid 26204] close(3)                    = 0
[pid 26204] write(1, "executing program\n", 18executing program
) = 18
[pid 26204] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26204] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26204] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26204] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26204] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26204] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26204] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26204] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26204] exit_group(0)               = ?
[pid 26204] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26204, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26205
./strace-static-x86_64: Process 26205 attached
[pid 26205] set_robust_list(0x555555f76660, 24) = 0
[pid 26205] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26205] setpgid(0, 0)               = 0
[pid 26205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26205] write(3, "1000", 4)         = 4
[pid 26205] close(3)                    = 0
[pid 26205] write(1, "executing program\n", 18executing program
) = 18
[pid 26205] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26205] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26205] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26205] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26205] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26205] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26205] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26205] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26205] exit_group(0)               = ?
[pid 26205] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26205, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26206 attached
, child_tidptr=0x555555f76650) = 26206
[pid 26206] set_robust_list(0x555555f76660, 24) = 0
[pid 26206] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26206] setpgid(0, 0)               = 0
[pid 26206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26206] write(3, "1000", 4)         = 4
[pid 26206] close(3)                    = 0
[pid 26206] write(1, "executing program\n", 18executing program
) = 18
[pid 26206] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26206] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26206] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26206] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26206] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26206] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26206] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26206] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26206] exit_group(0)               = ?
[pid 26206] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26206, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26207
./strace-static-x86_64: Process 26207 attached
[pid 26207] set_robust_list(0x555555f76660, 24) = 0
[pid 26207] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26207] setpgid(0, 0)               = 0
[pid 26207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26207] write(3, "1000", 4)         = 4
[pid 26207] close(3)                    = 0
[pid 26207] write(1, "executing program\n", 18executing program
) = 18
[pid 26207] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26207] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26207] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26207] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26207] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26207] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26207] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26207] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26207] exit_group(0)               = ?
[pid 26207] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26207, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26208
./strace-static-x86_64: Process 26208 attached
[pid 26208] set_robust_list(0x555555f76660, 24) = 0
[pid 26208] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26208] setpgid(0, 0)               = 0
[pid 26208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26208] write(3, "1000", 4)         = 4
[pid 26208] close(3)                    = 0
[pid 26208] write(1, "executing program\n", 18executing program
) = 18
[pid 26208] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26208] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26208] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26208] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26208] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26208] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26208] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26208] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26208] exit_group(0)               = ?
[pid 26208] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26208, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26210 attached
, child_tidptr=0x555555f76650) = 26210
[pid 26210] set_robust_list(0x555555f76660, 24) = 0
[pid 26210] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26210] setpgid(0, 0)               = 0
[pid 26210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
executing program
[pid 26210] write(3, "1000", 4)         = 4
[pid 26210] close(3)                    = 0
[pid 26210] write(1, "executing program\n", 18) = 18
[pid 26210] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26210] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26210] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26210] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26210] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26210] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26210] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26210] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26210] exit_group(0)               = ?
[pid 26210] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26210, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26211
./strace-static-x86_64: Process 26211 attached
[pid 26211] set_robust_list(0x555555f76660, 24) = 0
[pid 26211] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26211] setpgid(0, 0)               = 0
[pid 26211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26211] write(3, "1000", 4)         = 4
[pid 26211] close(3)                    = 0
[pid 26211] write(1, "executing program\n", 18executing program
) = 18
[pid 26211] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26211] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26211] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26211] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26211] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26211] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26211] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26211] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26211] exit_group(0)               = ?
[pid 26211] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26211, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26212 attached
, child_tidptr=0x555555f76650) = 26212
[pid 26212] set_robust_list(0x555555f76660, 24) = 0
[pid 26212] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26212] setpgid(0, 0)               = 0
[pid 26212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26212] write(3, "1000", 4)         = 4
executing program
[pid 26212] close(3)                    = 0
[pid 26212] write(1, "executing program\n", 18) = 18
[pid 26212] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26212] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26212] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26212] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26212] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26212] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26212] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26212] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26212] exit_group(0)               = ?
[pid 26212] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26212, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26213
./strace-static-x86_64: Process 26213 attached
[pid 26213] set_robust_list(0x555555f76660, 24) = 0
[pid 26213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26213] setpgid(0, 0)               = 0
[pid 26213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26213] write(3, "1000", 4)         = 4
[pid 26213] close(3)                    = 0
[pid 26213] write(1, "executing program\n", 18executing program
) = 18
[pid 26213] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26213] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26213] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26213] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26213] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26213] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26213] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26213] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26213] exit_group(0)               = ?
[pid 26213] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26213, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26214
./strace-static-x86_64: Process 26214 attached
[pid 26214] set_robust_list(0x555555f76660, 24) = 0
[pid 26214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26214] setpgid(0, 0)               = 0
[pid 26214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26214] write(3, "1000", 4)         = 4
[pid 26214] close(3)                    = 0
[pid 26214] write(1, "executing program\n", 18executing program
) = 18
[pid 26214] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26214] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26214] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26214] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26214] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26214] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26214] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26214] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26214] exit_group(0)               = ?
[pid 26214] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26214, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26215
./strace-static-x86_64: Process 26215 attached
[pid 26215] set_robust_list(0x555555f76660, 24) = 0
[pid 26215] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26215] setpgid(0, 0)               = 0
[pid 26215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26215] write(3, "1000", 4)         = 4
[pid 26215] close(3)                    = 0
[pid 26215] write(1, "executing program\n", 18executing program
) = 18
[pid 26215] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26215] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26215] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26215] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26215] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26215] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26215] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26215] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26215] exit_group(0)               = ?
[pid 26215] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26215, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26216
./strace-static-x86_64: Process 26216 attached
[pid 26216] set_robust_list(0x555555f76660, 24) = 0
[pid 26216] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26216] setpgid(0, 0)               = 0
[pid 26216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26216] write(3, "1000", 4)         = 4
[pid 26216] close(3)                    = 0
executing program
[pid 26216] write(1, "executing program\n", 18) = 18
[pid 26216] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26216] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26216] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26216] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26216] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26216] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26216] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26216] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26216] exit_group(0)               = ?
[pid 26216] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26216, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26217
./strace-static-x86_64: Process 26217 attached
[pid 26217] set_robust_list(0x555555f76660, 24) = 0
[pid 26217] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26217] setpgid(0, 0)               = 0
[pid 26217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26217] write(3, "1000", 4)         = 4
[pid 26217] close(3)                    = 0
[pid 26217] write(1, "executing program\n", 18executing program
) = 18
[pid 26217] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26217] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26217] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26217] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26217] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26217] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26217] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26217] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26217] exit_group(0)               = ?
[pid 26217] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26217, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26218
./strace-static-x86_64: Process 26218 attached
[pid 26218] set_robust_list(0x555555f76660, 24) = 0
[pid 26218] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26218] setpgid(0, 0)               = 0
[pid 26218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26218] write(3, "1000", 4)         = 4
[pid 26218] close(3)                    = 0
[pid 26218] write(1, "executing program\n", 18executing program
) = 18
[pid 26218] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26218] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26218] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26218] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26218] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26218] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26218] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26218] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26218] exit_group(0)               = ?
[pid 26218] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26218, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26219 attached
, child_tidptr=0x555555f76650) = 26219
[pid 26219] set_robust_list(0x555555f76660, 24) = 0
[pid 26219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26219] setpgid(0, 0)               = 0
[pid 26219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26219] write(3, "1000", 4)         = 4
[pid 26219] close(3)                    = 0
[pid 26219] write(1, "executing program\n", 18executing program
) = 18
[pid 26219] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26219] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26219] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26219] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26219] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26219] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26219] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26219] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26219] exit_group(0)               = ?
[pid 26219] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26219, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26220
./strace-static-x86_64: Process 26220 attached
[pid 26220] set_robust_list(0x555555f76660, 24) = 0
[pid 26220] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26220] setpgid(0, 0)               = 0
[pid 26220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26220] write(3, "1000", 4)         = 4
[pid 26220] close(3)                    = 0
[pid 26220] write(1, "executing program\n", 18executing program
) = 18
[pid 26220] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26220] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26220] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26220] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26220] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26220] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26220] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26220] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26220] exit_group(0)               = ?
[pid 26220] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26220, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26221 attached
, child_tidptr=0x555555f76650) = 26221
[pid 26221] set_robust_list(0x555555f76660, 24) = 0
[pid 26221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26221] setpgid(0, 0)               = 0
[pid 26221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26221] write(3, "1000", 4)         = 4
[pid 26221] close(3)                    = 0
[pid 26221] write(1, "executing program\n", 18executing program
) = 18
[pid 26221] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26221] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26221] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26221] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26221] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26221] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26221] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26221] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26221] exit_group(0)               = ?
[pid 26221] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26221, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26222 attached
, child_tidptr=0x555555f76650) = 26222
[pid 26222] set_robust_list(0x555555f76660, 24) = 0
[pid 26222] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26222] setpgid(0, 0)               = 0
[pid 26222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26222] write(3, "1000", 4)         = 4
[pid 26222] close(3)                    = 0
executing program
[pid 26222] write(1, "executing program\n", 18) = 18
[pid 26222] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26222] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26222] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26222] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26222] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26222] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26222] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26222] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26222] exit_group(0)               = ?
[pid 26222] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26222, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26223
./strace-static-x86_64: Process 26223 attached
[pid 26223] set_robust_list(0x555555f76660, 24) = 0
[pid 26223] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26223] setpgid(0, 0)               = 0
[pid 26223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26223] write(3, "1000", 4)         = 4
[pid 26223] close(3)                    = 0
[pid 26223] write(1, "executing program\n", 18executing program
) = 18
[pid 26223] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26223] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26223] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26223] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26223] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26223] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26223] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26223] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26223] exit_group(0)               = ?
[pid 26223] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26223, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26224
./strace-static-x86_64: Process 26224 attached
[pid 26224] set_robust_list(0x555555f76660, 24) = 0
[pid 26224] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26224] setpgid(0, 0)               = 0
[pid 26224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26224] write(3, "1000", 4)         = 4
[pid 26224] close(3)                    = 0
[pid 26224] write(1, "executing program\n", 18executing program
) = 18
[pid 26224] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26224] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26224] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26224] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26224] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26224] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26224] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26224] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26224] exit_group(0)               = ?
[pid 26224] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26224, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26225 attached
, child_tidptr=0x555555f76650) = 26225
[pid 26225] set_robust_list(0x555555f76660, 24) = 0
[pid 26225] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26225] setpgid(0, 0)               = 0
[pid 26225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26225] write(3, "1000", 4)         = 4
executing program
[pid 26225] close(3)                    = 0
[pid 26225] write(1, "executing program\n", 18) = 18
[pid 26225] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26225] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26225] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26225] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26225] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26225] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26225] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26225] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26225] exit_group(0)               = ?
[pid 26225] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26225, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26226 attached
, child_tidptr=0x555555f76650) = 26226
[pid 26226] set_robust_list(0x555555f76660, 24) = 0
[pid 26226] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26226] setpgid(0, 0)               = 0
[pid 26226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26226] write(3, "1000", 4executing program
)         = 4
[pid 26226] close(3)                    = 0
[pid 26226] write(1, "executing program\n", 18) = 18
[pid 26226] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26226] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26226] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26226] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26226] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26226] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26226] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26226] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26226] exit_group(0)               = ?
[pid 26226] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26226, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26227 attached
, child_tidptr=0x555555f76650) = 26227
[pid 26227] set_robust_list(0x555555f76660, 24) = 0
[pid 26227] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26227] setpgid(0, 0)               = 0
[pid 26227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26227] write(3, "1000", 4)         = 4
[pid 26227] close(3)                    = 0
[pid 26227] write(1, "executing program\n", 18) = 18
[pid 26227] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26227] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26227] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26227] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26227] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26227] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26227] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26227] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26227] exit_group(0)               = ?
[pid 26227] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26227, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26228
./strace-static-x86_64: Process 26228 attached
[pid 26228] set_robust_list(0x555555f76660, 24) = 0
[pid 26228] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26228] setpgid(0, 0)               = 0
[pid 26228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26228] write(3, "1000", 4executing program
)         = 4
[pid 26228] close(3)                    = 0
[pid 26228] write(1, "executing program\n", 18) = 18
[pid 26228] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26228] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26228] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26228] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26228] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26228] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26228] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26228] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26228] exit_group(0)               = ?
[pid 26228] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26228, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26229 attached
, child_tidptr=0x555555f76650) = 26229
[pid 26229] set_robust_list(0x555555f76660, 24) = 0
[pid 26229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26229] setpgid(0, 0)               = 0
[pid 26229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26229] write(3, "1000", 4)         = 4
[pid 26229] close(3)                    = 0
executing program
[pid 26229] write(1, "executing program\n", 18) = 18
[pid 26229] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26229] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26229] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26229] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26229] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26229] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26229] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26229] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26229] exit_group(0)               = ?
[pid 26229] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26229, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26230 attached
, child_tidptr=0x555555f76650) = 26230
[pid 26230] set_robust_list(0x555555f76660, 24) = 0
[pid 26230] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26230] setpgid(0, 0)               = 0
[pid 26230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26230] write(3, "1000", 4)         = 4
[pid 26230] close(3)                    = 0
[pid 26230] write(1, "executing program\n", 18executing program
) = 18
[pid 26230] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26230] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26230] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26230] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26230] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26230] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26230] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26230] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26230] exit_group(0)               = ?
[pid 26230] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26230, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26231 attached
, child_tidptr=0x555555f76650) = 26231
[pid 26231] set_robust_list(0x555555f76660, 24) = 0
[pid 26231] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26231] setpgid(0, 0)               = 0
[pid 26231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26231] write(3, "1000", 4)         = 4
[pid 26231] close(3)                    = 0
executing program
[pid 26231] write(1, "executing program\n", 18) = 18
[pid 26231] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26231] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26231] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26231] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26231] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26231] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26231] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26231] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26231] exit_group(0)               = ?
[pid 26231] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26231, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26232 attached
, child_tidptr=0x555555f76650) = 26232
[pid 26232] set_robust_list(0x555555f76660, 24) = 0
[pid 26232] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26232] setpgid(0, 0)               = 0
[pid 26232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26232] write(3, "1000", 4)         = 4
[pid 26232] close(3)                    = 0
executing program
[pid 26232] write(1, "executing program\n", 18) = 18
[pid 26232] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26232] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26232] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26232] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26232] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26232] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26232] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26232] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26232] exit_group(0)               = ?
[pid 26232] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26232, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26233 attached
, child_tidptr=0x555555f76650) = 26233
[pid 26233] set_robust_list(0x555555f76660, 24) = 0
[pid 26233] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26233] setpgid(0, 0)               = 0
[pid 26233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26233] write(3, "1000", 4)         = 4
[pid 26233] close(3)                    = 0
[pid 26233] write(1, "executing program\n", 18executing program
) = 18
[pid 26233] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26233] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26233] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26233] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26233] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26233] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26233] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26233] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26233] exit_group(0)               = ?
[pid 26233] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26233, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26234
./strace-static-x86_64: Process 26234 attached
[pid 26234] set_robust_list(0x555555f76660, 24) = 0
[pid 26234] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26234] setpgid(0, 0)               = 0
[pid 26234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26234] write(3, "1000", 4)         = 4
[pid 26234] close(3)                    = 0
executing program
[pid 26234] write(1, "executing program\n", 18) = 18
[pid 26234] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26234] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26234] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26234] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26234] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26234] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26234] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26234] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26234] exit_group(0)               = ?
[pid 26234] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26234, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26235
./strace-static-x86_64: Process 26235 attached
[pid 26235] set_robust_list(0x555555f76660, 24) = 0
[pid 26235] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26235] setpgid(0, 0)               = 0
[pid 26235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26235] write(3, "1000", 4)         = 4
[pid 26235] close(3)                    = 0
[pid 26235] write(1, "executing program\n", 18executing program
) = 18
[pid 26235] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26235] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26235] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26235] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26235] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26235] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26235] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26235] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26235] exit_group(0)               = ?
[pid 26235] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26235, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26236
./strace-static-x86_64: Process 26236 attached
[pid 26236] set_robust_list(0x555555f76660, 24) = 0
[pid 26236] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26236] setpgid(0, 0)               = 0
[pid 26236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26236] write(3, "1000", 4)         = 4
[pid 26236] close(3)                    = 0
executing program
[pid 26236] write(1, "executing program\n", 18) = 18
[pid 26236] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26236] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26236] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26236] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26236] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26236] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26236] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26236] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26236] exit_group(0)               = ?
[pid 26236] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26236, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26237 attached
, child_tidptr=0x555555f76650) = 26237
[pid 26237] set_robust_list(0x555555f76660, 24) = 0
[pid 26237] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26237] setpgid(0, 0)               = 0
[pid 26237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26237] write(3, "1000", 4)         = 4
[pid 26237] close(3)                    = 0
executing program
[pid 26237] write(1, "executing program\n", 18) = 18
[pid 26237] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26237] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26237] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26237] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26237] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26237] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26237] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26237] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26237] exit_group(0)               = ?
[pid 26237] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26237, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26238 attached
, child_tidptr=0x555555f76650) = 26238
[pid 26238] set_robust_list(0x555555f76660, 24) = 0
[pid 26238] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26238] setpgid(0, 0)               = 0
[pid 26238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26238] write(3, "1000", 4)         = 4
[pid 26238] close(3)                    = 0
executing program
[pid 26238] write(1, "executing program\n", 18) = 18
[pid 26238] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26238] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26238] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26238] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26238] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26238] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26238] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26238] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26238] exit_group(0)               = ?
[pid 26238] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26238, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26239
./strace-static-x86_64: Process 26239 attached
[pid 26239] set_robust_list(0x555555f76660, 24) = 0
[pid 26239] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26239] setpgid(0, 0)               = 0
[pid 26239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26239] write(3, "1000", 4)         = 4
[pid 26239] close(3)                    = 0
[pid 26239] write(1, "executing program\n", 18executing program
) = 18
[pid 26239] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26239] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26239] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26239] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26239] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26239] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26239] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26239] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26239] exit_group(0)               = ?
[pid 26239] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26239, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26240
./strace-static-x86_64: Process 26240 attached
[pid 26240] set_robust_list(0x555555f76660, 24) = 0
[pid 26240] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26240] setpgid(0, 0)               = 0
[pid 26240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26240] write(3, "1000", 4)         = 4
[pid 26240] close(3)                    = 0
[pid 26240] write(1, "executing program\n", 18executing program
) = 18
[pid 26240] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26240] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26240] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26240] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26240] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26240] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26240] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26240] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26240] exit_group(0)               = ?
[pid 26240] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26240, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26241
./strace-static-x86_64: Process 26241 attached
[pid 26241] set_robust_list(0x555555f76660, 24) = 0
[pid 26241] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26241] setpgid(0, 0)               = 0
[pid 26241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26241] write(3, "1000", 4)         = 4
[pid 26241] close(3)                    = 0
[pid 26241] write(1, "executing program\n", 18executing program
) = 18
[pid 26241] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26241] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26241] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26241] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26241] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26241] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26241] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26241] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26241] exit_group(0)               = ?
[pid 26241] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26241, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26242 attached
, child_tidptr=0x555555f76650) = 26242
[pid 26242] set_robust_list(0x555555f76660, 24) = 0
[pid 26242] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26242] setpgid(0, 0)               = 0
[pid 26242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26242] write(3, "1000", 4)         = 4
[pid 26242] close(3)                    = 0
[pid 26242] write(1, "executing program\n", 18executing program
) = 18
[pid 26242] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26242] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26242] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26242] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26242] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26242] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26242] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26242] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26242] exit_group(0)               = ?
[pid 26242] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26242, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26243
./strace-static-x86_64: Process 26243 attached
[pid 26243] set_robust_list(0x555555f76660, 24) = 0
[pid 26243] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26243] setpgid(0, 0)               = 0
[pid 26243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26243] write(3, "1000", 4)         = 4
[pid 26243] close(3)                    = 0
[pid 26243] write(1, "executing program\n", 18executing program
) = 18
[pid 26243] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26243] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26243] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26243] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26243] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26243] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26243] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26243] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26243] exit_group(0)               = ?
[pid 26243] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26243, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26244 attached
, child_tidptr=0x555555f76650) = 26244
[pid 26244] set_robust_list(0x555555f76660, 24) = 0
[pid 26244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26244] setpgid(0, 0)               = 0
[pid 26244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26244] write(3, "1000", 4)         = 4
[pid 26244] close(3)                    = 0
[pid 26244] write(1, "executing program\n", 18executing program
) = 18
[pid 26244] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26244] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26244] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26244] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26244] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26244] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26244] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26244] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26244] exit_group(0)               = ?
[pid 26244] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26244, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26245
./strace-static-x86_64: Process 26245 attached
[pid 26245] set_robust_list(0x555555f76660, 24) = 0
[pid 26245] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26245] setpgid(0, 0)               = 0
[pid 26245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26245] write(3, "1000", 4)         = 4
[pid 26245] close(3)                    = 0
[pid 26245] write(1, "executing program\n", 18executing program
) = 18
[pid 26245] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26245] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26245] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26245] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26245] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26245] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26245] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26245] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26245] exit_group(0)               = ?
[pid 26245] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26245, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26246 attached
, child_tidptr=0x555555f76650) = 26246
[pid 26246] set_robust_list(0x555555f76660, 24) = 0
[pid 26246] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26246] setpgid(0, 0)               = 0
[pid 26246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26246] write(3, "1000", 4)         = 4
[pid 26246] close(3)                    = 0
[pid 26246] write(1, "executing program\n", 18executing program
) = 18
[pid 26246] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26246] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26246] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26246] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26246] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26246] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26246] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26246] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26246] exit_group(0)               = ?
[pid 26246] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26246, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26247
./strace-static-x86_64: Process 26247 attached
[pid 26247] set_robust_list(0x555555f76660, 24) = 0
[pid 26247] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26247] setpgid(0, 0)               = 0
[pid 26247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26247] write(3, "1000", 4)         = 4
[pid 26247] close(3)                    = 0
[pid 26247] write(1, "executing program\n", 18executing program
) = 18
[pid 26247] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26247] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26247] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26247] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26247] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26247] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26247] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26247] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26247] exit_group(0)               = ?
[pid 26247] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26247, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26248 attached
, child_tidptr=0x555555f76650) = 26248
[pid 26248] set_robust_list(0x555555f76660, 24) = 0
[pid 26248] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26248] setpgid(0, 0)               = 0
[pid 26248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26248] write(3, "1000", 4)         = 4
[pid 26248] close(3)                    = 0
executing program
[pid 26248] write(1, "executing program\n", 18) = 18
[pid 26248] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26248] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26248] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26248] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26248] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26248] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26248] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26248] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26248] exit_group(0)               = ?
[pid 26248] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26248, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26249
./strace-static-x86_64: Process 26249 attached
[pid 26249] set_robust_list(0x555555f76660, 24) = 0
[pid 26249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26249] setpgid(0, 0)               = 0
[pid 26249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26249] write(3, "1000", 4)         = 4
[pid 26249] close(3)                    = 0
[pid 26249] write(1, "executing program\n", 18executing program
) = 18
[pid 26249] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26249] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26249] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26249] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26249] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26249] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26249] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26249] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26249] exit_group(0)               = ?
[pid 26249] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26249, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26250
./strace-static-x86_64: Process 26250 attached
[pid 26250] set_robust_list(0x555555f76660, 24) = 0
[pid 26250] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26250] setpgid(0, 0)               = 0
[pid 26250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26250] write(3, "1000", 4)         = 4
[pid 26250] close(3)                    = 0
[pid 26250] write(1, "executing program\n", 18executing program
) = 18
[pid 26250] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26250] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26250] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26250] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26250] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26250] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26250] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26250] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26250] exit_group(0)               = ?
[pid 26250] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26250, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>executing program
) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26251
./strace-static-x86_64: Process 26251 attached
[pid 26251] set_robust_list(0x555555f76660, 24) = 0
[pid 26251] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26251] setpgid(0, 0)               = 0
[pid 26251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26251] write(3, "1000", 4)         = 4
[pid 26251] close(3)                    = 0
[pid 26251] write(1, "executing program\n", 18) = 18
[pid 26251] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26251] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26251] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26251] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26251] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26251] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26251] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26251] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26251] exit_group(0)               = ?
[pid 26251] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26251, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26252
./strace-static-x86_64: Process 26252 attached
[pid 26252] set_robust_list(0x555555f76660, 24) = 0
[pid 26252] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26252] setpgid(0, 0)               = 0
[pid 26252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26252] write(3, "1000", 4)         = 4
[pid 26252] close(3)                    = 0
[pid 26252] write(1, "executing program\n", 18executing program
) = 18
[pid 26252] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26252] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26252] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26252] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26252] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26252] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26252] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26252] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26252] exit_group(0)               = ?
[pid 26252] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26252, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26253
./strace-static-x86_64: Process 26253 attached
[pid 26253] set_robust_list(0x555555f76660, 24) = 0
[pid 26253] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26253] setpgid(0, 0)               = 0
[pid 26253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26253] write(3, "1000", 4)         = 4
[pid 26253] close(3)                    = 0
executing program
[pid 26253] write(1, "executing program\n", 18) = 18
[pid 26253] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26253] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26253] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26253] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26253] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26253] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26253] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26253] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26253] exit_group(0)               = ?
[pid 26253] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26253, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26254
./strace-static-x86_64: Process 26254 attached
[pid 26254] set_robust_list(0x555555f76660, 24) = 0
[pid 26254] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26254] setpgid(0, 0)               = 0
[pid 26254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26254] write(3, "1000", 4executing program
)         = 4
[pid 26254] close(3)                    = 0
[pid 26254] write(1, "executing program\n", 18) = 18
[pid 26254] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26254] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26254] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26254] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26254] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26254] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26254] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26254] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26254] exit_group(0)               = ?
[pid 26254] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26254, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26255 attached
, child_tidptr=0x555555f76650) = 26255
[pid 26255] set_robust_list(0x555555f76660, 24) = 0
[pid 26255] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26255] setpgid(0, 0)               = 0
[pid 26255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26255] write(3, "1000", 4)         = 4
[pid 26255] close(3executing program
)                    = 0
[pid 26255] write(1, "executing program\n", 18) = 18
[pid 26255] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26255] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26255] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26255] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26255] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26255] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26255] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26255] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26255] exit_group(0)               = ?
[pid 26255] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26255, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26256 attached
, child_tidptr=0x555555f76650) = 26256
[pid 26256] set_robust_list(0x555555f76660, 24) = 0
[pid 26256] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26256] setpgid(0, 0)               = 0
[pid 26256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26256] write(3, "1000", 4executing program
)         = 4
[pid 26256] close(3)                    = 0
[pid 26256] write(1, "executing program\n", 18) = 18
[pid 26256] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26256] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26256] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26256] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26256] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26256] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26256] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26256] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26256] exit_group(0)               = ?
[pid 26256] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26256, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26257 attached
, child_tidptr=0x555555f76650) = 26257
[pid 26257] set_robust_list(0x555555f76660, 24) = 0
[pid 26257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26257] setpgid(0, 0)               = 0
[pid 26257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26257] write(3, "1000", 4)         = 4
[pid 26257] close(3)                    = 0
[pid 26257] write(1, "executing program\n", 18) = 18
[pid 26257] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26257] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26257] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26257] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26257] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26257] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26257] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26257] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26257] exit_group(0)               = ?
[pid 26257] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26257, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26258
./strace-static-x86_64: Process 26258 attached
[pid 26258] set_robust_list(0x555555f76660, 24) = 0
[pid 26258] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26258] setpgid(0, 0)               = 0
[pid 26258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26258] write(3, "1000", 4)         = 4
[pid 26258] close(3)                    = 0
[pid 26258] write(1, "executing program\n", 18executing program
) = 18
[pid 26258] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26258] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26258] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26258] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26258] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26258] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26258] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26258] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26258] exit_group(0)               = ?
[pid 26258] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26258, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26259
./strace-static-x86_64: Process 26259 attached
[pid 26259] set_robust_list(0x555555f76660, 24) = 0
[pid 26259] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26259] setpgid(0, 0)               = 0
[pid 26259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26259] write(3, "1000", 4executing program
)         = 4
[pid 26259] close(3)                    = 0
[pid 26259] write(1, "executing program\n", 18) = 18
[pid 26259] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26259] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26259] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26259] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26259] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26259] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26259] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26259] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26259] exit_group(0)               = ?
[pid 26259] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26259, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26260
./strace-static-x86_64: Process 26260 attached
[pid 26260] set_robust_list(0x555555f76660, 24) = 0
[pid 26260] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26260] setpgid(0, 0)               = 0
[pid 26260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26260] write(3, "1000", 4)         = 4
[pid 26260] close(3executing program
)                    = 0
[pid 26260] write(1, "executing program\n", 18) = 18
[pid 26260] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26260] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26260] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26260] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26260] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26260] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26260] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26260] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26260] exit_group(0)               = ?
[pid 26260] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26260, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26261 attached
, child_tidptr=0x555555f76650) = 26261
[pid 26261] set_robust_list(0x555555f76660, 24) = 0
[pid 26261] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26261] setpgid(0, 0)               = 0
[pid 26261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26261] write(3, "1000", 4)         = 4
[pid 26261] close(3)                    = 0
executing program
[pid 26261] write(1, "executing program\n", 18) = 18
[pid 26261] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26261] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26261] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26261] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26261] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26261] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26261] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26261] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26261] exit_group(0)               = ?
[pid 26261] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26261, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26262 attached
, child_tidptr=0x555555f76650) = 26262
[pid 26262] set_robust_list(0x555555f76660, 24) = 0
[pid 26262] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26262] setpgid(0, 0)               = 0
[pid 26262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26262] write(3, "1000", 4)         = 4
[pid 26262] close(3)                    = 0
[pid 26262] write(1, "executing program\n", 18executing program
) = 18
[pid 26262] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26262] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26262] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26262] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26262] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26262] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26262] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26262] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26262] exit_group(0)               = ?
[pid 26262] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26262, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26263
./strace-static-x86_64: Process 26263 attached
[pid 26263] set_robust_list(0x555555f76660, 24) = 0
[pid 26263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26263] setpgid(0, 0)               = 0
[pid 26263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26263] write(3, "1000", 4executing program
)         = 4
[pid 26263] close(3)                    = 0
[pid 26263] write(1, "executing program\n", 18) = 18
[pid 26263] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26263] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26263] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26263] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26263] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26263] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26263] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26263] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26263] exit_group(0)               = ?
[pid 26263] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26263, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26264 attached
, child_tidptr=0x555555f76650) = 26264
[pid 26264] set_robust_list(0x555555f76660, 24) = 0
[pid 26264] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26264] setpgid(0, 0)               = 0
[pid 26264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26264] write(3, "1000", 4)         = 4
[pid 26264] close(3)                    = 0
[pid 26264] write(1, "executing program\n", 18executing program
) = 18
[pid 26264] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26264] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26264] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26264] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26264] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26264] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26264] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26264] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26264] exit_group(0)               = ?
[pid 26264] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26264, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26265 attached
, child_tidptr=0x555555f76650) = 26265
[pid 26265] set_robust_list(0x555555f76660, 24) = 0
[pid 26265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26265] setpgid(0, 0)               = 0
[pid 26265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26265] write(3, "1000", 4)         = 4
[pid 26265] close(3)                    = 0
[pid 26265] write(1, "executing program\n", 18executing program
) = 18
[pid 26265] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26265] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26265] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26265] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26265] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26265] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26265] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26265] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26265] exit_group(0)               = ?
[pid 26265] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26265, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26266 attached
, child_tidptr=0x555555f76650) = 26266
[pid 26266] set_robust_list(0x555555f76660, 24) = 0
[pid 26266] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26266] setpgid(0, 0)               = 0
[pid 26266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26266] write(3, "1000", 4)         = 4
[pid 26266] close(3)                    = 0
executing program
[pid 26266] write(1, "executing program\n", 18) = 18
[pid 26266] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26266] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26266] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26266] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26266] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26266] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26266] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26266] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26266] exit_group(0)               = ?
[pid 26266] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26266, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26267 attached
, child_tidptr=0x555555f76650) = 26267
[pid 26267] set_robust_list(0x555555f76660, 24) = 0
[pid 26267] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26267] setpgid(0, 0)               = 0
[pid 26267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26267] write(3, "1000", 4)         = 4
[pid 26267] close(3)                    = 0
[pid 26267] write(1, "executing program\n", 18executing program
) = 18
[pid 26267] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26267] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26267] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26267] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26267] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26267] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26267] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26267] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26267] exit_group(0)               = ?
[pid 26267] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26267, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26268
./strace-static-x86_64: Process 26268 attached
[pid 26268] set_robust_list(0x555555f76660, 24) = 0
[pid 26268] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26268] setpgid(0, 0)               = 0
[pid 26268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26268] write(3, "1000", 4)         = 4
[pid 26268] close(3)                    = 0
executing program
[pid 26268] write(1, "executing program\n", 18) = 18
[pid 26268] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26268] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26268] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26268] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26268] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26268] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26268] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26268] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26268] exit_group(0)               = ?
[pid 26268] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26268, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26269 attached
, child_tidptr=0x555555f76650) = 26269
[pid 26269] set_robust_list(0x555555f76660, 24) = 0
[pid 26269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26269] setpgid(0, 0)               = 0
[pid 26269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26269] write(3, "1000", 4)         = 4
[pid 26269] close(3)                    = 0
executing program
[pid 26269] write(1, "executing program\n", 18) = 18
[pid 26269] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26269] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26269] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26269] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26269] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26269] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26269] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26269] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26269] exit_group(0)               = ?
[pid 26269] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26269, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26270
./strace-static-x86_64: Process 26270 attached
[pid 26270] set_robust_list(0x555555f76660, 24) = 0
[pid 26270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26270] setpgid(0, 0)               = 0
[pid 26270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26270] write(3, "1000", 4)         = 4
[pid 26270] close(3)                    = 0
executing program
[pid 26270] write(1, "executing program\n", 18) = 18
[pid 26270] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26270] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26270] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26270] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26270] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26270] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26270] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26270] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26270] exit_group(0)               = ?
[pid 26270] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26270, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26271
./strace-static-x86_64: Process 26271 attached
[pid 26271] set_robust_list(0x555555f76660, 24) = 0
[pid 26271] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26271] setpgid(0, 0)               = 0
[pid 26271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26271] write(3, "1000", 4)         = 4
[pid 26271] close(3)                    = 0
executing program
[pid 26271] write(1, "executing program\n", 18) = 18
[pid 26271] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26271] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26271] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26271] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26271] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26271] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26271] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26271] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26271] exit_group(0)               = ?
[pid 26271] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26271, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26272 attached
, child_tidptr=0x555555f76650) = 26272
[pid 26272] set_robust_list(0x555555f76660, 24) = 0
[pid 26272] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26272] setpgid(0, 0)               = 0
[pid 26272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26272] write(3, "1000", 4)         = 4
[pid 26272] close(3)                    = 0
[pid 26272] write(1, "executing program\n", 18executing program
) = 18
[pid 26272] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26272] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26272] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26272] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26272] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26272] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26272] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26272] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26272] exit_group(0)               = ?
[pid 26272] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26272, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26273
./strace-static-x86_64: Process 26273 attached
[pid 26273] set_robust_list(0x555555f76660, 24) = 0
[pid 26273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26273] setpgid(0, 0)               = 0
[pid 26273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26273] write(3, "1000", 4)         = 4
[pid 26273] close(3)                    = 0
[pid 26273] write(1, "executing program\n", 18executing program
) = 18
[pid 26273] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26273] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26273] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26273] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26273] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26273] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26273] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26273] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26273] exit_group(0)               = ?
[pid 26273] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26273, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26274
./strace-static-x86_64: Process 26274 attached
[pid 26274] set_robust_list(0x555555f76660, 24) = 0
[pid 26274] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26274] setpgid(0, 0)               = 0
[pid 26274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26274] write(3, "1000", 4)         = 4
[pid 26274] close(3)                    = 0
executing program
[pid 26274] write(1, "executing program\n", 18) = 18
[pid 26274] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26274] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26274] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26274] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26274] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26274] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26274] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26274] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26274] exit_group(0)               = ?
[pid 26274] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26274, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26275
./strace-static-x86_64: Process 26275 attached
[pid 26275] set_robust_list(0x555555f76660, 24) = 0
[pid 26275] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26275] setpgid(0, 0)               = 0
[pid 26275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26275] write(3, "1000", 4)         = 4
[pid 26275] close(3)                    = 0
[pid 26275] write(1, "executing program\n", 18executing program
) = 18
[pid 26275] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26275] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26275] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26275] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26275] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26275] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26275] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26275] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26275] exit_group(0)               = ?
[pid 26275] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26275, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26276 attached
, child_tidptr=0x555555f76650) = 26276
[pid 26276] set_robust_list(0x555555f76660, 24) = 0
[pid 26276] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26276] setpgid(0, 0)               = 0
[pid 26276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26276] write(3, "1000", 4executing program
)         = 4
[pid 26276] close(3)                    = 0
[pid 26276] write(1, "executing program\n", 18) = 18
[pid 26276] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26276] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26276] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26276] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26276] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26276] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26276] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26276] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26276] exit_group(0)               = ?
[pid 26276] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26276, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26277 attached
, child_tidptr=0x555555f76650) = 26277
[pid 26277] set_robust_list(0x555555f76660, 24) = 0
[pid 26277] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26277] setpgid(0, 0)               = 0
[pid 26277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26277] write(3, "1000", 4)         = 4
[pid 26277] close(3)                    = 0
executing program
[pid 26277] write(1, "executing program\n", 18) = 18
[pid 26277] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26277] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26277] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26277] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26277] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26277] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26277] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26277] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26277] exit_group(0)               = ?
[pid 26277] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26277, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26278 attached
, child_tidptr=0x555555f76650) = 26278
[pid 26278] set_robust_list(0x555555f76660, 24) = 0
[pid 26278] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26278] setpgid(0, 0)               = 0
[pid 26278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26278] write(3, "1000", 4)         = 4
[pid 26278] close(3)                    = 0
[pid 26278] write(1, "executing program\n", 18executing program
) = 18
[pid 26278] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26278] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26278] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26278] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26278] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26278] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26278] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26278] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26278] exit_group(0)               = ?
[pid 26278] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26278, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26279
./strace-static-x86_64: Process 26279 attached
[pid 26279] set_robust_list(0x555555f76660, 24) = 0
[pid 26279] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26279] setpgid(0, 0)               = 0
[pid 26279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26279] write(3, "1000", 4)         = 4
[pid 26279] close(3)                    = 0
[pid 26279] write(1, "executing program\n", 18executing program
) = 18
[pid 26279] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26279] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26279] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26279] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26279] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26279] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26279] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26279] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26279] exit_group(0)               = ?
[pid 26279] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26279, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26280 attached
, child_tidptr=0x555555f76650) = 26280
executing program
[pid 26280] set_robust_list(0x555555f76660, 24) = 0
[pid 26280] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26280] setpgid(0, 0)               = 0
[pid 26280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26280] write(3, "1000", 4)         = 4
[pid 26280] close(3)                    = 0
[pid 26280] write(1, "executing program\n", 18) = 18
[pid 26280] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26280] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26280] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26280] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26280] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26280] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26280] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26280] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26280] exit_group(0)               = ?
[pid 26280] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26280, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26281 attached
, child_tidptr=0x555555f76650) = 26281
[pid 26281] set_robust_list(0x555555f76660, 24) = 0
[pid 26281] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26281] setpgid(0, 0)               = 0
[pid 26281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26281] write(3, "1000", 4)         = 4
[pid 26281] close(3)                    = 0
[pid 26281] write(1, "executing program\n", 18executing program
) = 18
[pid 26281] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26281] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26281] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26281] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26281] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26281] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26281] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26281] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26281] exit_group(0)               = ?
[pid 26281] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26281, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26282
./strace-static-x86_64: Process 26282 attached
[pid 26282] set_robust_list(0x555555f76660, 24) = 0
[pid 26282] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26282] setpgid(0, 0)               = 0
[pid 26282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26282] write(3, "1000", 4)         = 4
[pid 26282] close(3)                    = 0
executing program
[pid 26282] write(1, "executing program\n", 18) = 18
[pid 26282] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26282] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26282] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26282] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26282] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26282] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26282] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26282] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26282] exit_group(0)               = ?
[pid 26282] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26282, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26283 attached
, child_tidptr=0x555555f76650) = 26283
[pid 26283] set_robust_list(0x555555f76660, 24) = 0
[pid 26283] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26283] setpgid(0, 0)               = 0
[pid 26283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26283] write(3, "1000", 4)         = 4
[pid 26283] close(3)                    = 0
executing program
[pid 26283] write(1, "executing program\n", 18) = 18
[pid 26283] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26283] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26283] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26283] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26283] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26283] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26283] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26283] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26283] exit_group(0)               = ?
[pid 26283] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26283, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26284 attached
, child_tidptr=0x555555f76650) = 26284
[pid 26284] set_robust_list(0x555555f76660, 24) = 0
[pid 26284] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26284] setpgid(0, 0)               = 0
[pid 26284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26284] write(3, "1000", 4)         = 4
[pid 26284] close(3)                    = 0
[pid 26284] write(1, "executing program\n", 18executing program
) = 18
[pid 26284] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26284] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26284] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26284] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26284] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26284] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26284] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26284] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26284] exit_group(0)               = ?
[pid 26284] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26284, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26285
./strace-static-x86_64: Process 26285 attached
[pid 26285] set_robust_list(0x555555f76660, 24) = 0
[pid 26285] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26285] setpgid(0, 0)               = 0
[pid 26285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26285] write(3, "1000", 4)         = 4
[pid 26285] close(3)                    = 0
executing program
[pid 26285] write(1, "executing program\n", 18) = 18
[pid 26285] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26285] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26285] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26285] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26285] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26285] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26285] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26285] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26285] exit_group(0)               = ?
[pid 26285] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26285, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26286
./strace-static-x86_64: Process 26286 attached
[pid 26286] set_robust_list(0x555555f76660, 24) = 0
[pid 26286] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26286] setpgid(0, 0)               = 0
[pid 26286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26286] write(3, "1000", 4)         = 4
[pid 26286] close(3executing program
)                    = 0
[pid 26286] write(1, "executing program\n", 18) = 18
[pid 26286] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26286] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26286] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26286] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26286] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26286] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26286] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26286] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26286] exit_group(0)               = ?
[pid 26286] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26286, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26287
./strace-static-x86_64: Process 26287 attached
[pid 26287] set_robust_list(0x555555f76660, 24) = 0
[pid 26287] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26287] setpgid(0, 0)               = 0
[pid 26287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26287] write(3, "1000", 4)         = 4
[pid 26287] close(3executing program
)                    = 0
[pid 26287] write(1, "executing program\n", 18) = 18
[pid 26287] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26287] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26287] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26287] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26287] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26287] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26287] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26287] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26287] exit_group(0)               = ?
[pid 26287] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26287, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26288 attached
, child_tidptr=0x555555f76650) = 26288
[pid 26288] set_robust_list(0x555555f76660, 24) = 0
[pid 26288] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26288] setpgid(0, 0)               = 0
[pid 26288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26288] write(3, "1000", 4)         = 4
[pid 26288] close(3)                    = 0
[pid 26288] write(1, "executing program\n", 18executing program
) = 18
[pid 26288] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26288] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26288] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26288] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26288] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26288] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26288] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26288] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26288] exit_group(0)               = ?
[pid 26288] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26288, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26289
./strace-static-x86_64: Process 26289 attached
[pid 26289] set_robust_list(0x555555f76660, 24) = 0
[pid 26289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26289] setpgid(0, 0)               = 0
[pid 26289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26289] write(3, "1000", 4)         = 4
[pid 26289] close(3)                    = 0
[pid 26289] write(1, "executing program\n", 18executing program
) = 18
[pid 26289] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26289] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26289] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26289] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26289] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26289] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26289] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26289] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26289] exit_group(0)               = ?
[pid 26289] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26289, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26290 attached
, child_tidptr=0x555555f76650) = 26290
[pid 26290] set_robust_list(0x555555f76660, 24) = 0
[pid 26290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26290] setpgid(0, 0)               = 0
[pid 26290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26290] write(3, "1000", 4)         = 4
[pid 26290] close(3executing program
)                    = 0
[pid 26290] write(1, "executing program\n", 18) = 18
[pid 26290] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26290] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26290] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26290] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26290] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26290] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26290] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26290] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26290] exit_group(0)               = ?
[pid 26290] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26290, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26291
./strace-static-x86_64: Process 26291 attached
[pid 26291] set_robust_list(0x555555f76660, 24) = 0
[pid 26291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26291] setpgid(0, 0)               = 0
[pid 26291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26291] write(3, "1000", 4)         = 4
[pid 26291] close(3)                    = 0
[pid 26291] write(1, "executing program\n", 18executing program
) = 18
[pid 26291] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26291] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26291] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26291] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26291] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26291] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26291] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26291] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26291] exit_group(0)               = ?
[pid 26291] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26291, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26292 attached
, child_tidptr=0x555555f76650) = 26292
[pid 26292] set_robust_list(0x555555f76660, 24) = 0
[pid 26292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26292] setpgid(0, 0)               = 0
[pid 26292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26292] write(3, "1000", 4)         = 4
[pid 26292] close(3)                    = 0
[pid 26292] write(1, "executing program\n", 18executing program
) = 18
[pid 26292] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26292] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26292] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26292] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26292] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26292] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26292] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26292] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26292] exit_group(0)               = ?
[pid 26292] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26292, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26293 attached
, child_tidptr=0x555555f76650) = 26293
[pid 26293] set_robust_list(0x555555f76660, 24) = 0
[pid 26293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26293] setpgid(0, 0)               = 0
[pid 26293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26293] write(3, "1000", 4)         = 4
[pid 26293] close(3)                    = 0
[pid 26293] write(1, "executing program\n", 18) = 18
[pid 26293] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26293] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26293] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26293] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26293] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26293] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26293] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26293] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26293] exit_group(0)               = ?
[pid 26293] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26293, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26294 attached
, child_tidptr=0x555555f76650) = 26294
[pid 26294] set_robust_list(0x555555f76660, 24) = 0
[pid 26294] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26294] setpgid(0, 0)               = 0
[pid 26294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26294] write(3, "1000", 4)         = 4
[pid 26294] close(3)                    = 0
executing program
[pid 26294] write(1, "executing program\n", 18) = 18
[pid 26294] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26294] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26294] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26294] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26294] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26294] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26294] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26294] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26294] exit_group(0)               = ?
[pid 26294] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26294, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26295
./strace-static-x86_64: Process 26295 attached
[pid 26295] set_robust_list(0x555555f76660, 24) = 0
[pid 26295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26295] setpgid(0, 0)               = 0
[pid 26295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26295] write(3, "1000", 4)         = 4
[pid 26295] close(3executing program
)                    = 0
[pid 26295] write(1, "executing program\n", 18) = 18
[pid 26295] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26295] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26295] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26295] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26295] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26295] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26295] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26295] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26295] exit_group(0)               = ?
[pid 26295] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26295, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26296
./strace-static-x86_64: Process 26296 attached
[pid 26296] set_robust_list(0x555555f76660, 24) = 0
[pid 26296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26296] setpgid(0, 0)               = 0
[pid 26296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26296] write(3, "1000", 4)         = 4
[pid 26296] close(3)                    = 0
executing program
[pid 26296] write(1, "executing program\n", 18) = 18
[pid 26296] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26296] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26296] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26296] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26296] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26296] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26296] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26296] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26296] exit_group(0)               = ?
[pid 26296] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26296, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26297 attached
, child_tidptr=0x555555f76650) = 26297
[pid 26297] set_robust_list(0x555555f76660, 24) = 0
[pid 26297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26297] setpgid(0, 0)               = 0
[pid 26297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26297] write(3, "1000", 4)         = 4
[pid 26297] close(3)                    = 0
executing program
[pid 26297] write(1, "executing program\n", 18) = 18
[pid 26297] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26297] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26297] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26297] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26297] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26297] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26297] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26297] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26297] exit_group(0)               = ?
[pid 26297] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26297, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26298
./strace-static-x86_64: Process 26298 attached
[pid 26298] set_robust_list(0x555555f76660, 24) = 0
[pid 26298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26298] setpgid(0, 0)               = 0
[pid 26298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26298] write(3, "1000", 4)         = 4
[pid 26298] close(3)                    = 0
executing program
[pid 26298] write(1, "executing program\n", 18) = 18
[pid 26298] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26298] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26298] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26298] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26298] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26298] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26298] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26298] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26298] exit_group(0)               = ?
[pid 26298] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26298, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26299 attached
, child_tidptr=0x555555f76650) = 26299
[pid 26299] set_robust_list(0x555555f76660, 24) = 0
[pid 26299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26299] setpgid(0, 0)               = 0
[pid 26299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26299] write(3, "1000", 4)         = 4
[pid 26299] close(3)                    = 0
[pid 26299] write(1, "executing program\n", 18executing program
) = 18
[pid 26299] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26299] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26299] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26299] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26299] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26299] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26299] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26299] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26299] exit_group(0)               = ?
[pid 26299] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26299, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26300 attached
 <unfinished ...>
[pid 26300] set_robust_list(0x555555f76660, 24) = 0
[pid 26300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26300] setpgid(0, 0)               = 0
[pid 26300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26300] write(3, "1000", 4)         = 4
[pid 26300] close(3 <unfinished ...>
[pid   357] <... clone resumed>, child_tidptr=0x555555f76650) = 26300
[pid 26300] <... close resumed>)        = 0
executing program
[pid 26300] write(1, "executing program\n", 18) = 18
[pid 26300] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26300] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26300] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26300] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26300] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26300] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26300] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26300] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26300] exit_group(0)               = ?
[pid 26300] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26300, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26302 attached
, child_tidptr=0x555555f76650) = 26302
[pid 26302] set_robust_list(0x555555f76660, 24) = 0
[pid 26302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26302] setpgid(0, 0)               = 0
[pid 26302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26302] write(3, "1000", 4)         = 4
[pid 26302] close(3)                    = 0
[pid 26302] write(1, "executing program\n", 18executing program
) = 18
[pid 26302] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26302] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26302] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26302] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26302] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26302] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26302] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26302] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26302] exit_group(0)               = ?
[pid 26302] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26302, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26303
./strace-static-x86_64: Process 26303 attached
[pid 26303] set_robust_list(0x555555f76660, 24) = 0
[pid 26303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26303] setpgid(0, 0)               = 0
[pid 26303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26303] write(3, "1000", 4)         = 4
[pid 26303] close(3)                    = 0
[pid 26303] write(1, "executing program\n", 18executing program
) = 18
[pid 26303] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26303] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26303] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26303] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26303] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26303] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26303] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26303] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26303] exit_group(0)               = ?
[pid 26303] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26303, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26304
./strace-static-x86_64: Process 26304 attached
[pid 26304] set_robust_list(0x555555f76660, 24) = 0
[pid 26304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26304] setpgid(0, 0)               = 0
[pid 26304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26304] write(3, "1000", 4)         = 4
[pid 26304] close(3)                    = 0
[pid 26304] write(1, "executing program\n", 18executing program
) = 18
[pid 26304] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26304] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26304] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26304] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26304] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26304] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26304] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26304] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26304] exit_group(0)               = ?
[pid 26304] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26304, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26305 attached
, child_tidptr=0x555555f76650) = 26305
[pid 26305] set_robust_list(0x555555f76660, 24) = 0
[pid 26305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26305] setpgid(0, 0)               = 0
[pid 26305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26305] write(3, "1000", 4)         = 4
[pid 26305] close(3executing program
)                    = 0
[pid 26305] write(1, "executing program\n", 18) = 18
[pid 26305] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26305] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26305] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26305] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26305] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26305] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26305] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26305] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26305] exit_group(0)               = ?
[pid 26305] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26305, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26306
./strace-static-x86_64: Process 26306 attached
[pid 26306] set_robust_list(0x555555f76660, 24) = 0
[pid 26306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26306] setpgid(0, 0)               = 0
[pid 26306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26306] write(3, "1000", 4)         = 4
[pid 26306] close(3)                    = 0
executing program
[pid 26306] write(1, "executing program\n", 18) = 18
[pid 26306] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26306] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26306] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26306] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26306] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26306] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26306] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26306] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26306] exit_group(0)               = ?
[pid 26306] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26306, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26307
./strace-static-x86_64: Process 26307 attached
[pid 26307] set_robust_list(0x555555f76660, 24) = 0
[pid 26307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26307] setpgid(0, 0)               = 0
[pid 26307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26307] write(3, "1000", 4)         = 4
[pid 26307] close(3)                    = 0
executing program
[pid 26307] write(1, "executing program\n", 18) = 18
[pid 26307] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26307] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26307] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26307] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26307] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26307] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26307] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26307] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26307] exit_group(0)               = ?
[pid 26307] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26307, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26308 attached
, child_tidptr=0x555555f76650) = 26308
[pid 26308] set_robust_list(0x555555f76660, 24) = 0
[pid 26308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26308] setpgid(0, 0)               = 0
[pid 26308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26308] write(3, "1000", 4)         = 4
[pid 26308] close(3)                    = 0
executing program
[pid 26308] write(1, "executing program\n", 18) = 18
[pid 26308] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26308] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26308] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26308] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26308] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26308] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26308] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26308] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26308] exit_group(0)               = ?
[pid 26308] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26308, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26309 attached
, child_tidptr=0x555555f76650) = 26309
[pid 26309] set_robust_list(0x555555f76660, 24) = 0
[pid 26309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26309] setpgid(0, 0)               = 0
[pid 26309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26309] write(3, "1000", 4executing program
)         = 4
[pid 26309] close(3)                    = 0
[pid 26309] write(1, "executing program\n", 18) = 18
[pid 26309] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26309] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26309] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26309] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26309] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26309] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26309] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26309] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26309] exit_group(0)               = ?
[pid 26309] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26309, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26310
./strace-static-x86_64: Process 26310 attached
[pid 26310] set_robust_list(0x555555f76660, 24) = 0
[pid 26310] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26310] setpgid(0, 0)               = 0
[pid 26310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26310] write(3, "1000", 4)         = 4
[pid 26310] close(3)                    = 0
[pid 26310] write(1, "executing program\n", 18executing program
) = 18
[pid 26310] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26310] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26310] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26310] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26310] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26310] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26310] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26310] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26310] exit_group(0)               = ?
[pid 26310] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26310, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26311
./strace-static-x86_64: Process 26311 attached
[pid 26311] set_robust_list(0x555555f76660, 24) = 0
[pid 26311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26311] setpgid(0, 0)               = 0
[pid 26311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26311] write(3, "1000", 4)         = 4
[pid 26311] close(3)                    = 0
[pid 26311] write(1, "executing program\n", 18executing program
) = 18
[pid 26311] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26311] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26311] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26311] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26311] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26311] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26311] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26311] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26311] exit_group(0)               = ?
[pid 26311] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26311, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26312 attached
, child_tidptr=0x555555f76650) = 26312
[pid 26312] set_robust_list(0x555555f76660, 24) = 0
[pid 26312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26312] setpgid(0, 0)               = 0
[pid 26312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26312] write(3, "1000", 4)         = 4
executing program
[pid 26312] close(3)                    = 0
[pid 26312] write(1, "executing program\n", 18) = 18
[pid 26312] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26312] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26312] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26312] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26312] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26312] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26312] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26312] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26312] exit_group(0)               = ?
[pid 26312] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26312, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26313 attached
, child_tidptr=0x555555f76650) = 26313
[pid 26313] set_robust_list(0x555555f76660, 24) = 0
[pid 26313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26313] setpgid(0, 0)               = 0
[pid 26313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26313] write(3, "1000", 4)         = 4
[pid 26313] close(3)                    = 0
[pid 26313] write(1, "executing program\n", 18executing program
) = 18
[pid 26313] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26313] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26313] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26313] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26313] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26313] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26313] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26313] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26313] exit_group(0)               = ?
[pid 26313] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26313, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26314 attached
, child_tidptr=0x555555f76650) = 26314
[pid 26314] set_robust_list(0x555555f76660, 24) = 0
[pid 26314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26314] setpgid(0, 0)               = 0
[pid 26314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26314] write(3, "1000", 4)         = 4
[pid 26314] close(3)                    = 0
[pid 26314] write(1, "executing program\n", 18executing program
) = 18
[pid 26314] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26314] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26314] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26314] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26314] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26314] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26314] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26314] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26314] exit_group(0)               = ?
[pid 26314] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26314, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26315 attached
, child_tidptr=0x555555f76650) = 26315
[pid 26315] set_robust_list(0x555555f76660, 24) = 0
[pid 26315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26315] setpgid(0, 0)               = 0
[pid 26315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26315] write(3, "1000", 4)         = 4
[pid 26315] close(3)                    = 0
executing program
[pid 26315] write(1, "executing program\n", 18) = 18
[pid 26315] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26315] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26315] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26315] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26315] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26315] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26315] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26315] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26315] exit_group(0)               = ?
[pid 26315] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26315, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26316
./strace-static-x86_64: Process 26316 attached
[pid 26316] set_robust_list(0x555555f76660, 24) = 0
[pid 26316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26316] setpgid(0, 0)               = 0
[pid 26316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26316] write(3, "1000", 4)         = 4
[pid 26316] close(3)                    = 0
executing program
[pid 26316] write(1, "executing program\n", 18) = 18
[pid 26316] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26316] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26316] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26316] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26316] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26316] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26316] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26316] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26316] exit_group(0)               = ?
[pid 26316] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26316, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26317 attached
, child_tidptr=0x555555f76650) = 26317
[pid 26317] set_robust_list(0x555555f76660, 24) = 0
[pid 26317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26317] setpgid(0, 0)               = 0
[pid 26317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26317] write(3, "1000", 4)         = 4
[pid 26317] close(3)                    = 0
[pid 26317] write(1, "executing program\n", 18executing program
) = 18
[pid 26317] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26317] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26317] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26317] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26317] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26317] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26317] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26317] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26317] exit_group(0)               = ?
[pid 26317] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26317, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26318 attached
, child_tidptr=0x555555f76650) = 26318
[pid 26318] set_robust_list(0x555555f76660, 24) = 0
[pid 26318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26318] setpgid(0, 0)               = 0
[pid 26318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26318] write(3, "1000", 4)         = 4
[pid 26318] close(3)                    = 0
executing program
[pid 26318] write(1, "executing program\n", 18) = 18
[pid 26318] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26318] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26318] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26318] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26318] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26318] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26318] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26318] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26318] exit_group(0)               = ?
[pid 26318] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26318, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26319
./strace-static-x86_64: Process 26319 attached
[pid 26319] set_robust_list(0x555555f76660, 24) = 0
[pid 26319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26319] setpgid(0, 0)               = 0
[pid 26319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26319] write(3, "1000", 4)         = 4
[pid 26319] close(3)                    = 0
[pid 26319] write(1, "executing program\n", 18executing program
) = 18
[pid 26319] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26319] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26319] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26319] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26319] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26319] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26319] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26319] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26319] exit_group(0)               = ?
[pid 26319] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26319, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26320
./strace-static-x86_64: Process 26320 attached
[pid 26320] set_robust_list(0x555555f76660, 24) = 0
[pid 26320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26320] setpgid(0, 0)               = 0
[pid 26320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26320] write(3, "1000", 4)         = 4
[pid 26320] close(3)                    = 0
[pid 26320] write(1, "executing program\n", 18executing program
) = 18
[pid 26320] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26320] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26320] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26320] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26320] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26320] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26320] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26320] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26320] exit_group(0)               = ?
[pid 26320] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26320, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26321
./strace-static-x86_64: Process 26321 attached
[pid 26321] set_robust_list(0x555555f76660, 24) = 0
[pid 26321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26321] setpgid(0, 0)               = 0
[pid 26321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26321] write(3, "1000", 4)         = 4
[pid 26321] close(3)                    = 0
[pid 26321] write(1, "executing program\n", 18executing program
) = 18
[pid 26321] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26321] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26321] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26321] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26321] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26321] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26321] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26321] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26321] exit_group(0)               = ?
[pid 26321] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26321, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26322
./strace-static-x86_64: Process 26322 attached
[pid 26322] set_robust_list(0x555555f76660, 24) = 0
[pid 26322] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26322] setpgid(0, 0)               = 0
[pid 26322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26322] write(3, "1000", 4)         = 4
[pid 26322] close(3)                    = 0
executing program
[pid 26322] write(1, "executing program\n", 18) = 18
[pid 26322] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26322] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26322] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26322] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26322] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26322] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26322] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26322] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26322] exit_group(0)               = ?
[pid 26322] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26322, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26323 attached
, child_tidptr=0x555555f76650) = 26323
[pid 26323] set_robust_list(0x555555f76660, 24) = 0
[pid 26323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26323] setpgid(0, 0)               = 0
[pid 26323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26323] write(3, "1000", 4)         = 4
executing program
[pid 26323] close(3)                    = 0
[pid 26323] write(1, "executing program\n", 18) = 18
[pid 26323] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26323] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26323] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26323] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26323] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26323] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26323] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26323] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26323] exit_group(0)               = ?
[pid 26323] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26323, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26324
./strace-static-x86_64: Process 26324 attached
[pid 26324] set_robust_list(0x555555f76660, 24) = 0
[pid 26324] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26324] setpgid(0, 0)               = 0
[pid 26324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26324] write(3, "1000", 4)         = 4
[pid 26324] close(3)                    = 0
executing program
[pid 26324] write(1, "executing program\n", 18) = 18
[pid 26324] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26324] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26324] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26324] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26324] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26324] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26324] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26324] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26324] exit_group(0)               = ?
[pid 26324] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26324, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26325 attached
, child_tidptr=0x555555f76650) = 26325
[pid 26325] set_robust_list(0x555555f76660, 24) = 0
[pid 26325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26325] setpgid(0, 0)               = 0
[pid 26325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26325] write(3, "1000", 4)         = 4
[pid 26325] close(3executing program
)                    = 0
[pid 26325] write(1, "executing program\n", 18) = 18
[pid 26325] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26325] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26325] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26325] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26325] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26325] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26325] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26325] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26325] exit_group(0)               = ?
[pid 26325] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26325, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26326
./strace-static-x86_64: Process 26326 attached
[pid 26326] set_robust_list(0x555555f76660, 24) = 0
[pid 26326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26326] setpgid(0, 0)               = 0
[pid 26326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26326] write(3, "1000", 4)         = 4
[pid 26326] close(3)                    = 0
executing program
[pid 26326] write(1, "executing program\n", 18) = 18
[pid 26326] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26326] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26326] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26326] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26326] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26326] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26326] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26326] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26326] exit_group(0)               = ?
[pid 26326] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26326, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26327 attached
, child_tidptr=0x555555f76650) = 26327
[pid 26327] set_robust_list(0x555555f76660, 24) = 0
[pid 26327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26327] setpgid(0, 0)               = 0
[pid 26327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26327] write(3, "1000", 4)         = 4
[pid 26327] close(3)                    = 0
executing program
[pid 26327] write(1, "executing program\n", 18) = 18
[pid 26327] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26327] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26327] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26327] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26327] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26327] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26327] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26327] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26327] exit_group(0)               = ?
[pid 26327] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26327, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26328
./strace-static-x86_64: Process 26328 attached
[pid 26328] set_robust_list(0x555555f76660, 24) = 0
[pid 26328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26328] setpgid(0, 0)               = 0
[pid 26328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26328] write(3, "1000", 4)         = 4
executing program
[pid 26328] close(3)                    = 0
[pid 26328] write(1, "executing program\n", 18) = 18
[pid 26328] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26328] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26328] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26328] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26328] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26328] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26328] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26328] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26328] exit_group(0)               = ?
[pid 26328] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26328, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26329 attached
, child_tidptr=0x555555f76650) = 26329
[pid 26329] set_robust_list(0x555555f76660, 24) = 0
[pid 26329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26329] setpgid(0, 0)               = 0
[pid 26329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26329] write(3, "1000", 4)         = 4
[pid 26329] close(3)                    = 0
executing program
[pid 26329] write(1, "executing program\n", 18) = 18
[pid 26329] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26329] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26329] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26329] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26329] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26329] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26329] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26329] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26329] exit_group(0)               = ?
[pid 26329] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26329, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26330 attached
, child_tidptr=0x555555f76650) = 26330
[pid 26330] set_robust_list(0x555555f76660, 24) = 0
[pid 26330] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26330] setpgid(0, 0)               = 0
[pid 26330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26330] write(3, "1000", 4)         = 4
[pid 26330] close(3)                    = 0
[pid 26330] write(1, "executing program\n", 18) = 18
[pid 26330] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26330] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26330] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26330] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26330] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26330] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26330] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26330] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26330] exit_group(0)               = ?
[pid 26330] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26330, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26331 attached
, child_tidptr=0x555555f76650) = 26331
[pid 26331] set_robust_list(0x555555f76660, 24) = 0
[pid 26331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26331] setpgid(0, 0)               = 0
[pid 26331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26331] write(3, "1000", 4)         = 4
[pid 26331] close(3)                    = 0
[pid 26331] write(1, "executing program\n", 18) = 18
[pid 26331] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26331] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26331] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26331] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26331] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26331] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26331] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26331] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26331] exit_group(0)               = ?
[pid 26331] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26331, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26332 attached
, child_tidptr=0x555555f76650) = 26332
[pid 26332] set_robust_list(0x555555f76660, 24) = 0
[pid 26332] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26332] setpgid(0, 0)               = 0
[pid 26332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26332] write(3, "1000", 4)         = 4
[pid 26332] close(3)                    = 0
[pid 26332] write(1, "executing program\n", 18executing program
) = 18
[pid 26332] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26332] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26332] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26332] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26332] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26332] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26332] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26332] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26332] exit_group(0)               = ?
[pid 26332] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26332, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26333 attached
, child_tidptr=0x555555f76650) = 26333
[pid 26333] set_robust_list(0x555555f76660, 24) = 0
[pid 26333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26333] setpgid(0, 0)               = 0
[pid 26333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26333] write(3, "1000", 4)         = 4
[pid 26333] close(3)                    = 0
[pid 26333] write(1, "executing program\n", 18executing program
) = 18
[pid 26333] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26333] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26333] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26333] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26333] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26333] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26333] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26333] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26333] exit_group(0)               = ?
[pid 26333] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26333, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26334
./strace-static-x86_64: Process 26334 attached
[pid 26334] set_robust_list(0x555555f76660, 24) = 0
[pid 26334] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26334] setpgid(0, 0)               = 0
[pid 26334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26334] write(3, "1000", 4)         = 4
[pid 26334] close(3)                    = 0
executing program
[pid 26334] write(1, "executing program\n", 18) = 18
[pid 26334] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26334] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26334] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26334] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26334] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26334] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26334] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26334] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26334] exit_group(0)               = ?
[pid 26334] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26334, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26335 attached
, child_tidptr=0x555555f76650) = 26335
[pid 26335] set_robust_list(0x555555f76660, 24) = 0
[pid 26335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26335] setpgid(0, 0)               = 0
[pid 26335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26335] write(3, "1000", 4)         = 4
[pid 26335] close(3)                    = 0
executing program
[pid 26335] write(1, "executing program\n", 18) = 18
[pid 26335] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26335] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26335] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26335] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26335] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26335] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26335] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26335] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26335] exit_group(0)               = ?
[pid 26335] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26335, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26336
./strace-static-x86_64: Process 26336 attached
[pid 26336] set_robust_list(0x555555f76660, 24) = 0
[pid 26336] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26336] setpgid(0, 0)               = 0
[pid 26336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26336] write(3, "1000", 4)         = 4
[pid 26336] close(3)                    = 0
executing program
[pid 26336] write(1, "executing program\n", 18) = 18
[pid 26336] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26336] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26336] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26336] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26336] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26336] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26336] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26336] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26336] exit_group(0)               = ?
[pid 26336] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26336, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26337 attached
, child_tidptr=0x555555f76650) = 26337
[pid 26337] set_robust_list(0x555555f76660, 24) = 0
[pid 26337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26337] setpgid(0, 0)               = 0
[pid 26337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26337] write(3, "1000", 4)         = 4
[pid 26337] close(3)                    = 0
[pid 26337] write(1, "executing program\n", 18) = 18
[pid 26337] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26337] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26337] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26337] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26337] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26337] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26337] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26337] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26337] exit_group(0)               = ?
[pid 26337] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26337, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26338
./strace-static-x86_64: Process 26338 attached
[pid 26338] set_robust_list(0x555555f76660, 24) = 0
[pid 26338] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26338] setpgid(0, 0)               = 0
[pid 26338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26338] write(3, "1000", 4)         = 4
[pid 26338] close(3)                    = 0
executing program
[pid 26338] write(1, "executing program\n", 18) = 18
[pid 26338] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26338] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26338] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26338] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26338] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26338] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26338] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26338] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26338] exit_group(0)               = ?
[pid 26338] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26338, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26339 attached
, child_tidptr=0x555555f76650) = 26339
[pid 26339] set_robust_list(0x555555f76660, 24) = 0
[pid 26339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26339] setpgid(0, 0)               = 0
[pid 26339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26339] write(3, "1000", 4)         = 4
[pid 26339] close(3)                    = 0
[pid 26339] write(1, "executing program\n", 18executing program
) = 18
[pid 26339] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26339] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26339] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26339] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26339] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26339] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26339] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26339] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26339] exit_group(0)               = ?
[pid 26339] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26339, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26340 attached
, child_tidptr=0x555555f76650) = 26340
[pid 26340] set_robust_list(0x555555f76660, 24) = 0
[pid 26340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26340] setpgid(0, 0)               = 0
[pid 26340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26340] write(3, "1000", 4)         = 4
[pid 26340] close(3)                    = 0
[pid 26340] write(1, "executing program\n", 18executing program
) = 18
[pid 26340] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26340] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26340] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26340] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26340] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26340] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26340] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26340] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26340] exit_group(0)               = ?
[pid 26340] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26340, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26341
./strace-static-x86_64: Process 26341 attached
[pid 26341] set_robust_list(0x555555f76660, 24) = 0
[pid 26341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26341] setpgid(0, 0)               = 0
[pid 26341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26341] write(3, "1000", 4)         = 4
[pid 26341] close(3)                    = 0
executing program
[pid 26341] write(1, "executing program\n", 18) = 18
[pid 26341] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26341] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26341] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26341] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26341] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26341] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26341] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26341] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26341] exit_group(0)               = ?
[pid 26341] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26341, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26342
./strace-static-x86_64: Process 26342 attached
[pid 26342] set_robust_list(0x555555f76660, 24) = 0
[pid 26342] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26342] setpgid(0, 0)               = 0
[pid 26342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26342] write(3, "1000", 4)         = 4
[pid 26342] close(3)                    = 0
[pid 26342] write(1, "executing program\n", 18executing program
) = 18
[pid 26342] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26342] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26342] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26342] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26342] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26342] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26342] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26342] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26342] exit_group(0)               = ?
[pid 26342] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26342, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26343
./strace-static-x86_64: Process 26343 attached
[pid 26343] set_robust_list(0x555555f76660, 24) = 0
[pid 26343] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26343] setpgid(0, 0)               = 0
[pid 26343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26343] write(3, "1000", 4)         = 4
[pid 26343] close(3)                    = 0
[pid 26343] write(1, "executing program\n", 18executing program
) = 18
[pid 26343] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26343] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26343] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26343] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26343] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26343] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26343] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26343] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26343] exit_group(0)               = ?
[pid 26343] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26343, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26344 attached
, child_tidptr=0x555555f76650) = 26344
[pid 26344] set_robust_list(0x555555f76660, 24) = 0
[pid 26344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26344] setpgid(0, 0)               = 0
[pid 26344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26344] write(3, "1000", 4)         = 4
[pid 26344] close(3)                    = 0
executing program
[pid 26344] write(1, "executing program\n", 18) = 18
[pid 26344] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26344] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26344] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26344] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26344] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26344] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26344] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26344] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26344] exit_group(0)               = ?
[pid 26344] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26344, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26345 attached
, child_tidptr=0x555555f76650) = 26345
[pid 26345] set_robust_list(0x555555f76660, 24) = 0
[pid 26345] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26345] setpgid(0, 0)               = 0
[pid 26345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26345] write(3, "1000", 4)         = 4
[pid 26345] close(3executing program
)                    = 0
[pid 26345] write(1, "executing program\n", 18) = 18
[pid 26345] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26345] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26345] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26345] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26345] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26345] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26345] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26345] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26345] exit_group(0)               = ?
[pid 26345] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26345, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26346
./strace-static-x86_64: Process 26346 attached
[pid 26346] set_robust_list(0x555555f76660, 24) = 0
[pid 26346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26346] setpgid(0, 0)               = 0
[pid 26346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26346] write(3, "1000", 4)         = 4
[pid 26346] close(3)                    = 0
executing program
[pid 26346] write(1, "executing program\n", 18) = 18
[pid 26346] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26346] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26346] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26346] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26346] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26346] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26346] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26346] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26346] exit_group(0)               = ?
[pid 26346] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26346, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26347 attached
, child_tidptr=0x555555f76650) = 26347
[pid 26347] set_robust_list(0x555555f76660, 24) = 0
[pid 26347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26347] setpgid(0, 0)               = 0
[pid 26347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26347] write(3, "1000", 4)         = 4
[pid 26347] close(3)                    = 0
executing program
[pid 26347] write(1, "executing program\n", 18) = 18
[pid 26347] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26347] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26347] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26347] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26347] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26347] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26347] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26347] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26347] exit_group(0)               = ?
[pid 26347] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26347, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26348
./strace-static-x86_64: Process 26348 attached
[pid 26348] set_robust_list(0x555555f76660, 24) = 0
[pid 26348] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26348] setpgid(0, 0)               = 0
[pid 26348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26348] write(3, "1000", 4)         = 4
[pid 26348] close(3)                    = 0
[pid 26348] write(1, "executing program\n", 18executing program
) = 18
[pid 26348] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26348] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26348] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26348] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26348] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26348] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26348] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26348] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26348] exit_group(0)               = ?
[pid 26348] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26348, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26349 attached
, child_tidptr=0x555555f76650) = 26349
[pid 26349] set_robust_list(0x555555f76660, 24) = 0
[pid 26349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26349] setpgid(0, 0)               = 0
[pid 26349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26349] write(3, "1000", 4)         = 4
[pid 26349] close(3)                    = 0
[pid 26349] write(1, "executing program\n", 18executing program
) = 18
[pid 26349] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26349] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26349] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26349] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26349] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26349] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26349] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26349] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26349] exit_group(0)               = ?
[pid 26349] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26349, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26350 attached
 <unfinished ...>
[pid 26350] set_robust_list(0x555555f76660, 24) = 0
[pid 26350] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26350] setpgid(0, 0)               = 0
[pid 26350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26350] write(3, "1000", 4)         = 4
[pid 26350] close(3)                    = 0
executing program
[pid 26350] write(1, "executing program\n", 18) = 18
[pid 26350] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26350] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26350] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26350] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26350] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26350] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26350] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26350] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26350] exit_group(0 <unfinished ...>
[pid   357] <... clone resumed>, child_tidptr=0x555555f76650) = 26350
[pid 26350] <... exit_group resumed>)   = ?
[pid 26350] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26350, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26351 attached
, child_tidptr=0x555555f76650) = 26351
[pid 26351] set_robust_list(0x555555f76660, 24) = 0
[pid 26351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26351] setpgid(0, 0)               = 0
[pid 26351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26351] write(3, "1000", 4)         = 4
executing program
[pid 26351] close(3)                    = 0
[pid 26351] write(1, "executing program\n", 18) = 18
[pid 26351] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26351] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26351] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26351] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26351] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26351] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26351] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26351] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26351] exit_group(0)               = ?
[pid 26351] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26351, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26352
./strace-static-x86_64: Process 26352 attached
[pid 26352] set_robust_list(0x555555f76660, 24) = 0
[pid 26352] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26352] setpgid(0, 0)               = 0
[pid 26352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26352] write(3, "1000", 4)         = 4
[pid 26352] close(3)                    = 0
[pid 26352] write(1, "executing program\n", 18executing program
) = 18
[pid 26352] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26352] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26352] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26352] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26352] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26352] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26352] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26352] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26352] exit_group(0)               = ?
[pid 26352] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26352, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26353
./strace-static-x86_64: Process 26353 attached
[pid 26353] set_robust_list(0x555555f76660, 24) = 0
[pid 26353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26353] setpgid(0, 0)               = 0
[pid 26353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26353] write(3, "1000", 4)         = 4
[pid 26353] close(3)                    = 0
[pid 26353] write(1, "executing program\n", 18executing program
) = 18
[pid 26353] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26353] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26353] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26353] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26353] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26353] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26353] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26353] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26353] exit_group(0)               = ?
[pid 26353] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26353, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26354
./strace-static-x86_64: Process 26354 attached
[pid 26354] set_robust_list(0x555555f76660, 24) = 0
[pid 26354] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26354] setpgid(0, 0)               = 0
[pid 26354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26354] write(3, "1000", 4)         = 4
[pid 26354] close(3)                    = 0
executing program
[pid 26354] write(1, "executing program\n", 18) = 18
[pid 26354] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26354] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26354] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26354] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26354] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26354] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26354] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26354] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26354] exit_group(0)               = ?
[pid 26354] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26354, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26355 attached
, child_tidptr=0x555555f76650) = 26355
[pid 26355] set_robust_list(0x555555f76660, 24) = 0
[pid 26355] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26355] setpgid(0, 0)               = 0
[pid 26355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26355] write(3, "1000", 4)         = 4
[pid 26355] close(3executing program
)                    = 0
[pid 26355] write(1, "executing program\n", 18) = 18
[pid 26355] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26355] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26355] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26355] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26355] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26355] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26355] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26355] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26355] exit_group(0)               = ?
[pid 26355] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26355, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26356 attached
, child_tidptr=0x555555f76650) = 26356
[pid 26356] set_robust_list(0x555555f76660, 24) = 0
[pid 26356] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26356] setpgid(0, 0)               = 0
[pid 26356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26356] write(3, "1000", 4)         = 4
[pid 26356] close(3)                    = 0
[pid 26356] write(1, "executing program\n", 18executing program
) = 18
[pid 26356] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26356] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26356] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26356] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26356] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26356] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26356] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26356] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26356] exit_group(0)               = ?
[pid 26356] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26356, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26357 attached
, child_tidptr=0x555555f76650) = 26357
[pid 26357] set_robust_list(0x555555f76660, 24) = 0
[pid 26357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26357] setpgid(0, 0)               = 0
[pid 26357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26357] write(3, "1000", 4)         = 4
[pid 26357] close(3)                    = 0
executing program
[pid 26357] write(1, "executing program\n", 18) = 18
[pid 26357] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26357] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26357] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26357] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26357] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26357] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26357] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26357] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26357] exit_group(0)               = ?
[pid 26357] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26357, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26358 attached
, child_tidptr=0x555555f76650) = 26358
[pid 26358] set_robust_list(0x555555f76660, 24) = 0
[pid 26358] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26358] setpgid(0, 0)               = 0
[pid 26358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26358] write(3, "1000", 4)         = 4
[pid 26358] close(3)                    = 0
[pid 26358] write(1, "executing program\n", 18executing program
) = 18
[pid 26358] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26358] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26358] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26358] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26358] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26358] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26358] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26358] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26358] exit_group(0)               = ?
[pid 26358] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26358, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26359 attached
, child_tidptr=0x555555f76650) = 26359
[pid 26359] set_robust_list(0x555555f76660, 24) = 0
[pid 26359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26359] setpgid(0, 0)               = 0
[pid 26359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26359] write(3, "1000", 4)         = 4
[pid 26359] close(3)                    = 0
[pid 26359] write(1, "executing program\n", 18executing program
) = 18
[pid 26359] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26359] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26359] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26359] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26359] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26359] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26359] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26359] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26359] exit_group(0)               = ?
[pid 26359] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26359, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26360 attached
, child_tidptr=0x555555f76650) = 26360
[pid 26360] set_robust_list(0x555555f76660, 24) = 0
[pid 26360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26360] setpgid(0, 0)               = 0
[pid 26360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26360] write(3, "1000", 4)         = 4
[pid 26360] close(3)                    = 0
[pid 26360] write(1, "executing program\n", 18executing program
) = 18
[pid 26360] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26360] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26360] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26360] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26360] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26360] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26360] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26360] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26360] exit_group(0)               = ?
[pid 26360] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26360, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26361
./strace-static-x86_64: Process 26361 attached
[pid 26361] set_robust_list(0x555555f76660, 24) = 0
[pid 26361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26361] setpgid(0, 0)               = 0
[pid 26361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26361] write(3, "1000", 4)         = 4
[pid 26361] close(3)                    = 0
[pid 26361] write(1, "executing program\n", 18executing program
) = 18
[pid 26361] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26361] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26361] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26361] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26361] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26361] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26361] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26361] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26361] exit_group(0)               = ?
[pid 26361] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26361, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26362 attached
, child_tidptr=0x555555f76650) = 26362
[pid 26362] set_robust_list(0x555555f76660, 24) = 0
[pid 26362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26362] setpgid(0, 0)               = 0
[pid 26362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26362] write(3, "1000", 4)         = 4
[pid 26362] close(3)                    = 0
[pid 26362] write(1, "executing program\n", 18executing program
) = 18
[pid 26362] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26362] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26362] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26362] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26362] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26362] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26362] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26362] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26362] exit_group(0)               = ?
[pid 26362] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26362, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26363 attached
, child_tidptr=0x555555f76650) = 26363
[pid 26363] set_robust_list(0x555555f76660, 24) = 0
[pid 26363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26363] setpgid(0, 0)               = 0
[pid 26363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26363] write(3, "1000", 4)         = 4
[pid 26363] close(3)                    = 0
[pid 26363] write(1, "executing program\n", 18) = 18
[pid 26363] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26363] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26363] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26363] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26363] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26363] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26363] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26363] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26363] exit_group(0)               = ?
[pid 26363] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26363, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26364 attached
, child_tidptr=0x555555f76650) = 26364
[pid 26364] set_robust_list(0x555555f76660, 24) = 0
[pid 26364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26364] setpgid(0, 0)               = 0
[pid 26364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26364] write(3, "1000", 4)         = 4
[pid 26364] close(3)                    = 0
[pid 26364] write(1, "executing program\n", 18executing program
) = 18
[pid 26364] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26364] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26364] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26364] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26364] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26364] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26364] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26364] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26364] exit_group(0)               = ?
[pid 26364] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26364, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26365 attached
, child_tidptr=0x555555f76650) = 26365
[pid 26365] set_robust_list(0x555555f76660, 24) = 0
[pid 26365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26365] setpgid(0, 0)               = 0
[pid 26365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26365] write(3, "1000", 4)         = 4
[pid 26365] close(3)                    = 0
[pid 26365] write(1, "executing program\n", 18executing program
) = 18
[pid 26365] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26365] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26365] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26365] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26365] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26365] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26365] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26365] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26365] exit_group(0)               = ?
[pid 26365] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26365, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26366 attached
, child_tidptr=0x555555f76650) = 26366
[pid 26366] set_robust_list(0x555555f76660, 24) = 0
[pid 26366] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26366] setpgid(0, 0)               = 0
[pid 26366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26366] write(3, "1000", 4)         = 4
[pid 26366] close(3)                    = 0
[pid 26366] write(1, "executing program\n", 18) = 18
[pid 26366] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26366] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26366] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26366] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26366] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26366] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26366] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26366] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26366] exit_group(0)               = ?
[pid 26366] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26366, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26367
./strace-static-x86_64: Process 26367 attached
[pid 26367] set_robust_list(0x555555f76660, 24) = 0
[pid 26367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26367] setpgid(0, 0)               = 0
[pid 26367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26367] write(3, "1000", 4)         = 4
[pid 26367] close(3)                    = 0
[pid 26367] write(1, "executing program\n", 18executing program
) = 18
[pid 26367] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26367] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26367] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26367] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26367] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26367] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26367] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26367] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26367] exit_group(0)               = ?
[pid 26367] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26367, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26368 attached
, child_tidptr=0x555555f76650) = 26368
[pid 26368] set_robust_list(0x555555f76660, 24) = 0
[pid 26368] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26368] setpgid(0, 0)               = 0
[pid 26368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26368] write(3, "1000", 4)         = 4
[pid 26368] close(3)                    = 0
[pid 26368] write(1, "executing program\n", 18executing program
) = 18
[pid 26368] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26368] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26368] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26368] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26368] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26368] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26368] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26368] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26368] exit_group(0)               = ?
[pid 26368] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26368, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26369 attached
, child_tidptr=0x555555f76650) = 26369
[pid 26369] set_robust_list(0x555555f76660, 24) = 0
[pid 26369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26369] setpgid(0, 0)               = 0
[pid 26369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26369] write(3, "1000", 4)         = 4
[pid 26369] close(3)                    = 0
[pid 26369] write(1, "executing program\n", 18executing program
) = 18
[pid 26369] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26369] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26369] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26369] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26369] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26369] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26369] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26369] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26369] exit_group(0)               = ?
[pid 26369] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26369, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26370 attached
, child_tidptr=0x555555f76650) = 26370
[pid 26370] set_robust_list(0x555555f76660, 24) = 0
[pid 26370] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26370] setpgid(0, 0)               = 0
[pid 26370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26370] write(3, "1000", 4)         = 4
[pid 26370] close(3)                    = 0
[pid 26370] write(1, "executing program\n", 18executing program
) = 18
[pid 26370] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26370] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26370] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26370] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26370] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26370] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26370] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26370] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26370] exit_group(0)               = ?
[pid 26370] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26370, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26371
./strace-static-x86_64: Process 26371 attached
[pid 26371] set_robust_list(0x555555f76660, 24) = 0
[pid 26371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26371] setpgid(0, 0)               = 0
[pid 26371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26371] write(3, "1000", 4)         = 4
[pid 26371] close(3)                    = 0
[pid 26371] write(1, "executing program\n", 18executing program
) = 18
[pid 26371] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26371] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26371] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26371] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26371] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26371] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26371] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26371] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26371] exit_group(0)               = ?
[pid 26371] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26371, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26372 attached
, child_tidptr=0x555555f76650) = 26372
[pid 26372] set_robust_list(0x555555f76660, 24) = 0
[pid 26372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26372] setpgid(0, 0)               = 0
[pid 26372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26372] write(3, "1000", 4)         = 4
[pid 26372] close(3executing program
)                    = 0
[pid 26372] write(1, "executing program\n", 18) = 18
[pid 26372] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26372] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26372] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26372] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26372] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26372] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26372] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26372] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26372] exit_group(0)               = ?
[pid 26372] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26372, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26373 attached
, child_tidptr=0x555555f76650) = 26373
[pid 26373] set_robust_list(0x555555f76660, 24) = 0
[pid 26373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26373] setpgid(0, 0)               = 0
[pid 26373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26373] write(3, "1000", 4)         = 4
[pid 26373] close(3)                    = 0
executing program
[pid 26373] write(1, "executing program\n", 18) = 18
[pid 26373] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26373] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26373] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26373] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26373] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26373] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26373] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26373] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26373] exit_group(0)               = ?
[pid 26373] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26373, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26374 attached
, child_tidptr=0x555555f76650) = 26374
[pid 26374] set_robust_list(0x555555f76660, 24) = 0
[pid 26374] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26374] setpgid(0, 0)               = 0
[pid 26374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26374] write(3, "1000", 4)         = 4
[pid 26374] close(3)                    = 0
executing program
[pid 26374] write(1, "executing program\n", 18) = 18
[pid 26374] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26374] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26374] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26374] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26374] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26374] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26374] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26374] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26374] exit_group(0)               = ?
[pid 26374] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26374, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26375
./strace-static-x86_64: Process 26375 attached
[pid 26375] set_robust_list(0x555555f76660, 24) = 0
[pid 26375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26375] setpgid(0, 0)               = 0
[pid 26375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26375] write(3, "1000", 4)         = 4
[pid 26375] close(3)                    = 0
[pid 26375] write(1, "executing program\n", 18executing program
) = 18
[pid 26375] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26375] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26375] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26375] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26375] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26375] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26375] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26375] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26375] exit_group(0)               = ?
[pid 26375] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26375, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26376 attached
, child_tidptr=0x555555f76650) = 26376
[pid 26376] set_robust_list(0x555555f76660, 24) = 0
[pid 26376] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26376] setpgid(0, 0)               = 0
[pid 26376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26376] write(3, "1000", 4)         = 4
[pid 26376] close(3)                    = 0
[pid 26376] write(1, "executing program\n", 18executing program
) = 18
[pid 26376] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26376] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26376] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26376] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26376] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26376] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26376] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26376] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26376] exit_group(0)               = ?
[pid 26376] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26376, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26377
./strace-static-x86_64: Process 26377 attached
[pid 26377] set_robust_list(0x555555f76660, 24) = 0
[pid 26377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26377] setpgid(0, 0)               = 0
[pid 26377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26377] write(3, "1000", 4)         = 4
[pid 26377] close(3)                    = 0
executing program
[pid 26377] write(1, "executing program\n", 18) = 18
[pid 26377] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26377] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26377] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26377] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26377] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26377] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26377] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26377] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26377] exit_group(0)               = ?
[pid 26377] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26377, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26378 attached
, child_tidptr=0x555555f76650) = 26378
[pid 26378] set_robust_list(0x555555f76660, 24) = 0
[pid 26378] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26378] setpgid(0, 0)               = 0
[pid 26378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26378] write(3, "1000", 4)         = 4
[pid 26378] close(3)                    = 0
[pid 26378] write(1, "executing program\n", 18executing program
) = 18
[pid 26378] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26378] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26378] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26378] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26378] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26378] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26378] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26378] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26378] exit_group(0)               = ?
[pid 26378] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26378, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26379 attached
, child_tidptr=0x555555f76650) = 26379
[pid 26379] set_robust_list(0x555555f76660, 24) = 0
[pid 26379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26379] setpgid(0, 0)               = 0
[pid 26379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26379] write(3, "1000", 4)         = 4
[pid 26379] close(3)                    = 0
[pid 26379] write(1, "executing program\n", 18executing program
) = 18
[pid 26379] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26379] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26379] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26379] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26379] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26379] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26379] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26379] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26379] exit_group(0)               = ?
[pid 26379] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26379, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26380 attached
, child_tidptr=0x555555f76650) = 26380
[pid 26380] set_robust_list(0x555555f76660, 24) = 0
[pid 26380] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26380] setpgid(0, 0)               = 0
[pid 26380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26380] write(3, "1000", 4)         = 4
[pid 26380] close(3)                    = 0
[pid 26380] write(1, "executing program\n", 18executing program
) = 18
[pid 26380] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26380] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26380] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26380] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26380] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26380] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26380] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26380] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26380] exit_group(0)               = ?
[pid 26380] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26380, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26381 attached
, child_tidptr=0x555555f76650) = 26381
[pid 26381] set_robust_list(0x555555f76660, 24) = 0
[pid 26381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26381] setpgid(0, 0)               = 0
[pid 26381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26381] write(3, "1000", 4)         = 4
[pid 26381] close(3)                    = 0
executing program
[pid 26381] write(1, "executing program\n", 18) = 18
[pid 26381] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26381] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26381] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26381] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26381] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26381] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26381] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26381] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26381] exit_group(0)               = ?
[pid 26381] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26381, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
executing program
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26382
./strace-static-x86_64: Process 26382 attached
[pid 26382] set_robust_list(0x555555f76660, 24) = 0
[pid 26382] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26382] setpgid(0, 0)               = 0
[pid 26382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26382] write(3, "1000", 4)         = 4
[pid 26382] close(3)                    = 0
[pid 26382] write(1, "executing program\n", 18) = 18
[pid 26382] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26382] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26382] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26382] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26382] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26382] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26382] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26382] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26382] exit_group(0)               = ?
[pid 26382] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26382, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26383 attached
, child_tidptr=0x555555f76650) = 26383
[pid 26383] set_robust_list(0x555555f76660, 24) = 0
[pid 26383] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26383] setpgid(0, 0)               = 0
[pid 26383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26383] write(3, "1000", 4)         = 4
[pid 26383] close(3)                    = 0
[pid 26383] write(1, "executing program\n", 18) = 18
[pid 26383] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26383] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26383] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26383] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26383] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26383] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26383] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26383] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26383] exit_group(0)               = ?
[pid 26383] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26383, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26384 attached
, child_tidptr=0x555555f76650) = 26384
[pid 26384] set_robust_list(0x555555f76660, 24) = 0
[pid 26384] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26384] setpgid(0, 0)               = 0
[pid 26384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26384] write(3, "1000", 4)         = 4
[pid 26384] close(3)                    = 0
[pid 26384] write(1, "executing program\n", 18executing program
) = 18
[pid 26384] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26384] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26384] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26384] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26384] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26384] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26384] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26384] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26384] exit_group(0)               = ?
[pid 26384] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26384, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26385 attached
, child_tidptr=0x555555f76650) = 26385
[pid 26385] set_robust_list(0x555555f76660, 24) = 0
[pid 26385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26385] setpgid(0, 0)               = 0
[pid 26385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26385] write(3, "1000", 4)         = 4
[pid 26385] close(3)                    = 0
[pid 26385] write(1, "executing program\n", 18executing program
) = 18
[pid 26385] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26385] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26385] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26385] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26385] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26385] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26385] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26385] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26385] exit_group(0)               = ?
[pid 26385] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26385, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26386 attached
, child_tidptr=0x555555f76650) = 26386
[pid 26386] set_robust_list(0x555555f76660, 24) = 0
[pid 26386] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26386] setpgid(0, 0)               = 0
[pid 26386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26386] write(3, "1000", 4)         = 4
[pid 26386] close(3)                    = 0
executing program
[pid 26386] write(1, "executing program\n", 18) = 18
[pid 26386] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26386] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26386] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26386] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26386] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26386] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26386] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26386] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26386] exit_group(0)               = ?
[pid 26386] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26386, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26387
./strace-static-x86_64: Process 26387 attached
[pid 26387] set_robust_list(0x555555f76660, 24) = 0
[pid 26387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26387] setpgid(0, 0)               = 0
[pid 26387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26387] write(3, "1000", 4)         = 4
[pid 26387] close(3executing program
)                    = 0
[pid 26387] write(1, "executing program\n", 18) = 18
[pid 26387] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26387] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26387] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26387] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26387] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26387] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26387] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26387] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26387] exit_group(0)               = ?
[pid 26387] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26387, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26388 attached
, child_tidptr=0x555555f76650) = 26388
[pid 26388] set_robust_list(0x555555f76660, 24) = 0
[pid 26388] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26388] setpgid(0, 0)               = 0
[pid 26388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26388] write(3, "1000", 4)         = 4
[pid 26388] close(3)                    = 0
[pid 26388] write(1, "executing program\n", 18executing program
) = 18
[pid 26388] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26388] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26388] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26388] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26388] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26388] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26388] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26388] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26388] exit_group(0)               = ?
[pid 26388] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26388, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26389 attached
, child_tidptr=0x555555f76650) = 26389
[pid 26389] set_robust_list(0x555555f76660, 24) = 0
[pid 26389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26389] setpgid(0, 0)               = 0
[pid 26389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26389] write(3, "1000", 4)         = 4
[pid 26389] close(3)                    = 0
[pid 26389] write(1, "executing program\n", 18executing program
) = 18
[pid 26389] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26389] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26389] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26389] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26389] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26389] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26389] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26389] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26389] exit_group(0)               = ?
[pid 26389] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26389, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26390 attached
, child_tidptr=0x555555f76650) = 26390
[pid 26390] set_robust_list(0x555555f76660, 24) = 0
[pid 26390] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26390] setpgid(0, 0)               = 0
[pid 26390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26390] write(3, "1000", 4)         = 4
[pid 26390] close(3)                    = 0
[pid 26390] write(1, "executing program\n", 18executing program
) = 18
[pid 26390] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26390] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26390] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26390] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26390] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26390] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26390] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26390] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26390] exit_group(0)               = ?
[pid 26390] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26390, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26391
./strace-static-x86_64: Process 26391 attached
[pid 26391] set_robust_list(0x555555f76660, 24) = 0
[pid 26391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26391] setpgid(0, 0)               = 0
[pid 26391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26391] write(3, "1000", 4)         = 4
[pid 26391] close(3)                    = 0
executing program
[pid 26391] write(1, "executing program\n", 18) = 18
[pid 26391] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26391] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26391] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26391] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26391] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26391] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26391] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26391] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26391] exit_group(0)               = ?
[pid 26391] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26391, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26393
./strace-static-x86_64: Process 26393 attached
[pid 26393] set_robust_list(0x555555f76660, 24) = 0
[pid 26393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26393] setpgid(0, 0)               = 0
[pid 26393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26393] write(3, "1000", 4)         = 4
[pid 26393] close(3)                    = 0
executing program
[pid 26393] write(1, "executing program\n", 18) = 18
[pid 26393] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26393] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26393] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26393] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26393] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26393] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26393] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26393] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26393] exit_group(0)               = ?
[pid 26393] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26393, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26394 attached
, child_tidptr=0x555555f76650) = 26394
[pid 26394] set_robust_list(0x555555f76660, 24) = 0
[pid 26394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26394] setpgid(0, 0)               = 0
[pid 26394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26394] write(3, "1000", 4)         = 4
[pid 26394] close(3)                    = 0
executing program
[pid 26394] write(1, "executing program\n", 18) = 18
[pid 26394] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26394] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26394] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26394] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26394] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26394] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26394] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26394] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26394] exit_group(0)               = ?
[pid 26394] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26394, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26395 attached
, child_tidptr=0x555555f76650) = 26395
[pid 26395] set_robust_list(0x555555f76660, 24) = 0
[pid 26395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26395] setpgid(0, 0)               = 0
[pid 26395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26395] write(3, "1000", 4)         = 4
[pid 26395] close(3)                    = 0
executing program
[pid 26395] write(1, "executing program\n", 18) = 18
[pid 26395] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26395] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26395] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26395] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26395] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26395] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26395] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26395] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26395] exit_group(0)               = ?
[pid 26395] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26395, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26396 attached
, child_tidptr=0x555555f76650) = 26396
[pid 26396] set_robust_list(0x555555f76660, 24) = 0
[pid 26396] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26396] setpgid(0, 0)               = 0
[pid 26396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26396] write(3, "1000", 4)         = 4
[pid 26396] close(3)                    = 0
[pid 26396] write(1, "executing program\n", 18executing program
) = 18
[pid 26396] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26396] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26396] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26396] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26396] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26396] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26396] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26396] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26396] exit_group(0)               = ?
[pid 26396] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26396, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26397 attached
, child_tidptr=0x555555f76650) = 26397
[pid 26397] set_robust_list(0x555555f76660, 24) = 0
[pid 26397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26397] setpgid(0, 0)               = 0
[pid 26397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26397] write(3, "1000", 4)         = 4
[pid 26397] close(3)                    = 0
[pid 26397] write(1, "executing program\n", 18) = 18
[pid 26397] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26397] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26397] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26397] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26397] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26397] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26397] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26397] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26397] exit_group(0)               = ?
[pid 26397] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26397, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26398
./strace-static-x86_64: Process 26398 attached
[pid 26398] set_robust_list(0x555555f76660, 24) = 0
[pid 26398] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26398] setpgid(0, 0)               = 0
[pid 26398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26398] write(3, "1000", 4)         = 4
[pid 26398] close(3)                    = 0
[pid 26398] write(1, "executing program\n", 18executing program
) = 18
[pid 26398] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26398] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26398] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26398] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26398] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26398] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26398] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26398] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26398] exit_group(0)               = ?
[pid 26398] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26398, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26399
./strace-static-x86_64: Process 26399 attached
[pid 26399] set_robust_list(0x555555f76660, 24) = 0
[pid 26399] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26399] setpgid(0, 0)               = 0
[pid 26399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26399] write(3, "1000", 4)         = 4
[pid 26399] close(3)                    = 0
[pid 26399] write(1, "executing program\n", 18executing program
) = 18
[pid 26399] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26399] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26399] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26399] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26399] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26399] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26399] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26399] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26399] exit_group(0)               = ?
[pid 26399] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26399, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26400 attached
, child_tidptr=0x555555f76650) = 26400
[pid 26400] set_robust_list(0x555555f76660, 24) = 0
[pid 26400] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26400] setpgid(0, 0)               = 0
[pid 26400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26400] write(3, "1000", 4)         = 4
[pid 26400] close(3)                    = 0
[pid 26400] write(1, "executing program\n", 18executing program
) = 18
[pid 26400] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26400] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26400] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26400] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26400] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26400] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26400] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26400] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26400] exit_group(0)               = ?
[pid 26400] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26400, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26401 attached
, child_tidptr=0x555555f76650) = 26401
[pid 26401] set_robust_list(0x555555f76660, 24) = 0
[pid 26401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26401] setpgid(0, 0)               = 0
[pid 26401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26401] write(3, "1000", 4)         = 4
[pid 26401] close(3)                    = 0
executing program
[pid 26401] write(1, "executing program\n", 18) = 18
[pid 26401] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26401] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26401] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26401] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26401] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26401] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26401] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26401] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26401] exit_group(0)               = ?
[pid 26401] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26401, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26402 attached
, child_tidptr=0x555555f76650) = 26402
[pid 26402] set_robust_list(0x555555f76660, 24) = 0
[pid 26402] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26402] setpgid(0, 0)               = 0
[pid 26402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26402] write(3, "1000", 4)         = 4
[pid 26402] close(3)                    = 0
[pid 26402] write(1, "executing program\n", 18) = 18
[pid 26402] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26402] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26402] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26402] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26402] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26402] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26402] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26402] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26402] exit_group(0)               = ?
[pid 26402] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26402, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26403 attached
, child_tidptr=0x555555f76650) = 26403
[pid 26403] set_robust_list(0x555555f76660, 24) = 0
[pid 26403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26403] setpgid(0, 0)               = 0
[pid 26403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26403] write(3, "1000", 4)         = 4
[pid 26403] close(3)                    = 0
[pid 26403] write(1, "executing program\n", 18executing program
) = 18
[pid 26403] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26403] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26403] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26403] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26403] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26403] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26403] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26403] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26403] exit_group(0)               = ?
[pid 26403] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26403, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26404 attached
, child_tidptr=0x555555f76650) = 26404
[pid 26404] set_robust_list(0x555555f76660, 24) = 0
[pid 26404] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26404] setpgid(0, 0)               = 0
[pid 26404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26404] write(3, "1000", 4)         = 4
[pid 26404] close(3)                    = 0
[pid 26404] write(1, "executing program\n", 18executing program
) = 18
[pid 26404] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26404] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26404] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26404] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26404] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26404] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26404] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26404] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26404] exit_group(0)               = ?
[pid 26404] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26404, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26405
./strace-static-x86_64: Process 26405 attached
[pid 26405] set_robust_list(0x555555f76660, 24) = 0
[pid 26405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26405] setpgid(0, 0)               = 0
[pid 26405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26405] write(3, "1000", 4)         = 4
[pid 26405] close(3)                    = 0
[pid 26405] write(1, "executing program\n", 18executing program
) = 18
[pid 26405] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26405] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26405] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26405] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26405] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26405] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26405] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26405] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26405] exit_group(0)               = ?
[pid 26405] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26405, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26406 attached
, child_tidptr=0x555555f76650) = 26406
[pid 26406] set_robust_list(0x555555f76660, 24) = 0
[pid 26406] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26406] setpgid(0, 0)               = 0
[pid 26406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26406] write(3, "1000", 4)         = 4
[pid 26406] close(3)                    = 0
[pid 26406] write(1, "executing program\n", 18executing program
) = 18
[pid 26406] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26406] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26406] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26406] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26406] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26406] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26406] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26406] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26406] exit_group(0)               = ?
[pid 26406] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26406, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26407 attached
, child_tidptr=0x555555f76650) = 26407
[pid 26407] set_robust_list(0x555555f76660, 24) = 0
[pid 26407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26407] setpgid(0, 0)               = 0
[pid 26407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26407] write(3, "1000", 4)         = 4
[pid 26407] close(3)                    = 0
[pid 26407] write(1, "executing program\n", 18executing program
) = 18
[pid 26407] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26407] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26407] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26407] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26407] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26407] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26407] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26407] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26407] exit_group(0)               = ?
[pid 26407] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26407, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26408 attached
, child_tidptr=0x555555f76650) = 26408
[pid 26408] set_robust_list(0x555555f76660, 24) = 0
[pid 26408] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26408] setpgid(0, 0)               = 0
[pid 26408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26408] write(3, "1000", 4)         = 4
[pid 26408] close(3)                    = 0
executing program
[pid 26408] write(1, "executing program\n", 18) = 18
[pid 26408] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26408] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26408] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26408] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26408] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26408] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26408] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26408] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26408] exit_group(0)               = ?
[pid 26408] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26408, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26409 attached
, child_tidptr=0x555555f76650) = 26409
[pid 26409] set_robust_list(0x555555f76660, 24) = 0
[pid 26409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26409] setpgid(0, 0)               = 0
[pid 26409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26409] write(3, "1000", 4)         = 4
[pid 26409] close(3)                    = 0
[pid 26409] write(1, "executing program\n", 18executing program
) = 18
[pid 26409] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26409] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26409] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26409] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26409] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26409] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26409] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26409] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26409] exit_group(0)               = ?
[pid 26409] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26409, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26410
./strace-static-x86_64: Process 26410 attached
[pid 26410] set_robust_list(0x555555f76660, 24) = 0
[pid 26410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26410] setpgid(0, 0)               = 0
[pid 26410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26410] write(3, "1000", 4executing program
)         = 4
[pid 26410] close(3)                    = 0
[pid 26410] write(1, "executing program\n", 18) = 18
[pid 26410] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26410] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26410] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26410] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26410] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26410] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26410] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26410] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26410] exit_group(0)               = ?
[pid 26410] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26410, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26411
./strace-static-x86_64: Process 26411 attached
[pid 26411] set_robust_list(0x555555f76660, 24) = 0
[pid 26411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26411] setpgid(0, 0)               = 0
[pid 26411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26411] write(3, "1000", 4)         = 4
[pid 26411] close(3)                    = 0
[pid 26411] write(1, "executing program\n", 18executing program
) = 18
[pid 26411] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26411] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26411] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26411] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26411] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26411] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26411] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26411] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26411] exit_group(0)               = ?
[pid 26411] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26411, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26412
./strace-static-x86_64: Process 26412 attached
[pid 26412] set_robust_list(0x555555f76660, 24) = 0
[pid 26412] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26412] setpgid(0, 0)               = 0
[pid 26412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26412] write(3, "1000", 4)         = 4
[pid 26412] close(3)                    = 0
executing program
[pid 26412] write(1, "executing program\n", 18) = 18
[pid 26412] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26412] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26412] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26412] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26412] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26412] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26412] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26412] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26412] exit_group(0)               = ?
[pid 26412] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26412, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26413
./strace-static-x86_64: Process 26413 attached
[pid 26413] set_robust_list(0x555555f76660, 24) = 0
[pid 26413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26413] setpgid(0, 0)               = 0
[pid 26413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26413] write(3, "1000", 4)         = 4
[pid 26413] close(3)                    = 0
[pid 26413] write(1, "executing program\n", 18executing program
) = 18
[pid 26413] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26413] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26413] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26413] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26413] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26413] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26413] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26413] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26413] exit_group(0)               = ?
[pid 26413] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26413, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26414 attached
, child_tidptr=0x555555f76650) = 26414
[pid 26414] set_robust_list(0x555555f76660, 24) = 0
[pid 26414] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26414] setpgid(0, 0)               = 0
[pid 26414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26414] write(3, "1000", 4)         = 4
executing program
[pid 26414] close(3)                    = 0
[pid 26414] write(1, "executing program\n", 18) = 18
[pid 26414] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26414] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26414] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26414] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26414] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26414] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26414] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26414] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26414] exit_group(0)               = ?
[pid 26414] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26414, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26415 attached
, child_tidptr=0x555555f76650) = 26415
[pid 26415] set_robust_list(0x555555f76660, 24) = 0
[pid 26415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26415] setpgid(0, 0)               = 0
[pid 26415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26415] write(3, "1000", 4)         = 4
[pid 26415] close(3)                    = 0
[pid 26415] write(1, "executing program\n", 18executing program
) = 18
[pid 26415] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26415] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26415] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26415] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26415] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26415] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26415] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26415] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26415] exit_group(0)               = ?
[pid 26415] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26415, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>executing program
) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26416
./strace-static-x86_64: Process 26416 attached
[pid 26416] set_robust_list(0x555555f76660, 24) = 0
[pid 26416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26416] setpgid(0, 0)               = 0
[pid 26416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26416] write(3, "1000", 4)         = 4
[pid 26416] close(3)                    = 0
[pid 26416] write(1, "executing program\n", 18) = 18
[pid 26416] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26416] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26416] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26416] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26416] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26416] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26416] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26416] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26416] exit_group(0)               = ?
[pid 26416] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26416, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26417 attached
, child_tidptr=0x555555f76650) = 26417
[pid 26417] set_robust_list(0x555555f76660, 24) = 0
[pid 26417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26417] setpgid(0, 0)               = 0
[pid 26417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26417] write(3, "1000", 4)         = 4
[pid 26417] close(3executing program
)                    = 0
[pid 26417] write(1, "executing program\n", 18) = 18
[pid 26417] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26417] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26417] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26417] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26417] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26417] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26417] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26417] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26417] exit_group(0)               = ?
[pid 26417] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26417, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26418
./strace-static-x86_64: Process 26418 attached
[pid 26418] set_robust_list(0x555555f76660, 24) = 0
[pid 26418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26418] setpgid(0, 0)               = 0
[pid 26418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26418] write(3, "1000", 4executing program
)         = 4
[pid 26418] close(3)                    = 0
[pid 26418] write(1, "executing program\n", 18) = 18
[pid 26418] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26418] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26418] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26418] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26418] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26418] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26418] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26418] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26418] exit_group(0)               = ?
[pid 26418] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26418, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26419
./strace-static-x86_64: Process 26419 attached
[pid 26419] set_robust_list(0x555555f76660, 24) = 0
[pid 26419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26419] setpgid(0, 0)               = 0
[pid 26419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26419] write(3, "1000", 4)         = 4
[pid 26419] close(3)                    = 0
[pid 26419] write(1, "executing program\n", 18executing program
) = 18
[pid 26419] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26419] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26419] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26419] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26419] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26419] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26419] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26419] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26419] exit_group(0)               = ?
[pid 26419] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26419, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26420
./strace-static-x86_64: Process 26420 attached
[pid 26420] set_robust_list(0x555555f76660, 24) = 0
[pid 26420] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26420] setpgid(0, 0)               = 0
[pid 26420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26420] write(3, "1000", 4)         = 4
[pid 26420] close(3)                    = 0
[pid 26420] write(1, "executing program\n", 18executing program
) = 18
[pid 26420] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26420] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26420] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26420] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26420] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26420] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26420] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26420] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26420] exit_group(0)               = ?
[pid 26420] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26420, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26421
./strace-static-x86_64: Process 26421 attached
[pid 26421] set_robust_list(0x555555f76660, 24) = 0
[pid 26421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26421] setpgid(0, 0)               = 0
[pid 26421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26421] write(3, "1000", 4)         = 4
[pid 26421] close(3)                    = 0
[pid 26421] write(1, "executing program\n", 18executing program
) = 18
[pid 26421] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26421] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26421] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26421] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26421] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26421] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26421] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26421] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26421] exit_group(0)               = ?
[pid 26421] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26421, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26422
./strace-static-x86_64: Process 26422 attached
[pid 26422] set_robust_list(0x555555f76660, 24) = 0
[pid 26422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26422] setpgid(0, 0)               = 0
[pid 26422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26422] write(3, "1000", 4)         = 4
[pid 26422] close(3)                    = 0
[pid 26422] write(1, "executing program\n", 18executing program
) = 18
[pid 26422] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26422] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26422] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26422] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26422] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26422] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26422] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26422] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26422] exit_group(0)               = ?
[pid 26422] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26422, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26423
./strace-static-x86_64: Process 26423 attached
[pid 26423] set_robust_list(0x555555f76660, 24) = 0
[pid 26423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26423] setpgid(0, 0)               = 0
[pid 26423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26423] write(3, "1000", 4)         = 4
[pid 26423] close(3)                    = 0
[pid 26423] write(1, "executing program\n", 18executing program
) = 18
[pid 26423] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26423] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26423] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26423] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26423] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26423] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26423] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26423] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26423] exit_group(0)               = ?
[pid 26423] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26423, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26424 attached
, child_tidptr=0x555555f76650) = 26424
[pid 26424] set_robust_list(0x555555f76660, 24) = 0
[pid 26424] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26424] setpgid(0, 0)               = 0
[pid 26424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26424] write(3, "1000", 4)         = 4
[pid 26424] close(3)                    = 0
[pid 26424] write(1, "executing program\n", 18executing program
) = 18
[pid 26424] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26424] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26424] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26424] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26424] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26424] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26424] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26424] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26424] exit_group(0)               = ?
[pid 26424] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26424, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26425
./strace-static-x86_64: Process 26425 attached
[pid 26425] set_robust_list(0x555555f76660, 24) = 0
[pid 26425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26425] setpgid(0, 0)               = 0
[pid 26425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26425] write(3, "1000", 4)         = 4
[pid 26425] close(3)                    = 0
[pid 26425] write(1, "executing program\n", 18executing program
) = 18
[pid 26425] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26425] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26425] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26425] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26425] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26425] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26425] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26425] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26425] exit_group(0)               = ?
[pid 26425] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26425, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26426 attached
, child_tidptr=0x555555f76650) = 26426
[pid 26426] set_robust_list(0x555555f76660, 24) = 0
[pid 26426] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program
) = 0
[pid 26426] setpgid(0, 0)               = 0
[pid 26426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26426] write(3, "1000", 4)         = 4
[pid 26426] close(3)                    = 0
[pid 26426] write(1, "executing program\n", 18) = 18
[pid 26426] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26426] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26426] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26426] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26426] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26426] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26426] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26426] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26426] exit_group(0)               = ?
[pid 26426] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26426, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26427
./strace-static-x86_64: Process 26427 attached
[pid 26427] set_robust_list(0x555555f76660, 24) = 0
[pid 26427] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26427] setpgid(0, 0)               = 0
[pid 26427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26427] write(3, "1000", 4)         = 4
[pid 26427] close(3)                    = 0
[pid 26427] write(1, "executing program\n", 18executing program
) = 18
[pid 26427] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26427] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26427] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26427] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26427] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26427] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26427] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26427] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26427] exit_group(0)               = ?
[pid 26427] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26427, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26428 attached
, child_tidptr=0x555555f76650) = 26428
[pid 26428] set_robust_list(0x555555f76660, 24) = 0
[pid 26428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26428] setpgid(0, 0)               = 0
[pid 26428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26428] write(3, "1000", 4)         = 4
[pid 26428] close(3)                    = 0
[pid 26428] write(1, "executing program\n", 18executing program
) = 18
[pid 26428] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26428] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26428] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26428] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26428] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26428] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26428] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26428] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26428] exit_group(0)               = ?
[pid 26428] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26428, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26429 attached
, child_tidptr=0x555555f76650) = 26429
[pid 26429] set_robust_list(0x555555f76660, 24) = 0
[pid 26429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26429] setpgid(0, 0)               = 0
[pid 26429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26429] write(3, "1000", 4)         = 4
[pid 26429] close(3)                    = 0
executing program
[pid 26429] write(1, "executing program\n", 18) = 18
[pid 26429] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26429] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26429] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26429] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26429] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26429] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26429] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26429] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26429] exit_group(0)               = ?
[pid 26429] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26429, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26430
./strace-static-x86_64: Process 26430 attached
[pid 26430] set_robust_list(0x555555f76660, 24) = 0
[pid 26430] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26430] setpgid(0, 0)               = 0
[pid 26430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26430] write(3, "1000", 4)         = 4
[pid 26430] close(3)                    = 0
[pid 26430] write(1, "executing program\n", 18executing program
) = 18
[pid 26430] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26430] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26430] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26430] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26430] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26430] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26430] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26430] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26430] exit_group(0)               = ?
[pid 26430] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26430, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26431
./strace-static-x86_64: Process 26431 attached
[pid 26431] set_robust_list(0x555555f76660, 24) = 0
[pid 26431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26431] setpgid(0, 0)               = 0
[pid 26431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26431] write(3, "1000", 4)         = 4
[pid 26431] close(3)                    = 0
[pid 26431] write(1, "executing program\n", 18executing program
) = 18
[pid 26431] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26431] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26431] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26431] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26431] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26431] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26431] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26431] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26431] exit_group(0)               = ?
[pid 26431] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26431, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26432
./strace-static-x86_64: Process 26432 attached
[pid 26432] set_robust_list(0x555555f76660, 24) = 0
[pid 26432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26432] setpgid(0, 0)               = 0
[pid 26432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26432] write(3, "1000", 4)         = 4
[pid 26432] close(3)                    = 0
[pid 26432] write(1, "executing program\n", 18executing program
) = 18
[pid 26432] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26432] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26432] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26432] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26432] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26432] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26432] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26432] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26432] exit_group(0)               = ?
[pid 26432] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26432, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26433
./strace-static-x86_64: Process 26433 attached
[pid 26433] set_robust_list(0x555555f76660, 24) = 0
[pid 26433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26433] setpgid(0, 0)               = 0
[pid 26433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26433] write(3, "1000", 4)         = 4
[pid 26433] close(3)                    = 0
[pid 26433] write(1, "executing program\n", 18executing program
) = 18
[pid 26433] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26433] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26433] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26433] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26433] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26433] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26433] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26433] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26433] exit_group(0)               = ?
[pid 26433] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26433, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26434 attached
, child_tidptr=0x555555f76650) = 26434
[pid 26434] set_robust_list(0x555555f76660, 24) = 0
[pid 26434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26434] setpgid(0, 0)               = 0
[pid 26434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26434] write(3, "1000", 4)         = 4
[pid 26434] close(3)                    = 0
[pid 26434] write(1, "executing program\n", 18executing program
) = 18
[pid 26434] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26434] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26434] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26434] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26434] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26434] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26434] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26434] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26434] exit_group(0)               = ?
[pid 26434] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26434, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26435
./strace-static-x86_64: Process 26435 attached
[pid 26435] set_robust_list(0x555555f76660, 24) = 0
[pid 26435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26435] setpgid(0, 0)               = 0
[pid 26435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26435] write(3, "1000", 4)         = 4
[pid 26435] close(3)                    = 0
[pid 26435] write(1, "executing program\n", 18executing program
) = 18
[pid 26435] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26435] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26435] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26435] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26435] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26435] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26435] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26435] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26435] exit_group(0)               = ?
[pid 26435] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26435, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26436 attached
, child_tidptr=0x555555f76650) = 26436
[pid 26436] set_robust_list(0x555555f76660, 24) = 0
[pid 26436] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26436] setpgid(0, 0)               = 0
[pid 26436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26436] write(3, "1000", 4)         = 4
[pid 26436] close(3)                    = 0
[pid 26436] write(1, "executing program\n", 18executing program
) = 18
[pid 26436] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26436] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26436] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26436] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26436] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26436] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26436] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26436] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26436] exit_group(0)               = ?
[pid 26436] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26436, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26437 attached
, child_tidptr=0x555555f76650) = 26437
[pid 26437] set_robust_list(0x555555f76660, 24) = 0
[pid 26437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26437] setpgid(0, 0)               = 0
[pid 26437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26437] write(3, "1000", 4)         = 4
[pid 26437] close(3)                    = 0
[pid 26437] write(1, "executing program\n", 18executing program
) = 18
[pid 26437] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26437] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26437] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26437] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26437] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26437] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26437] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26437] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26437] exit_group(0)               = ?
[pid 26437] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26437, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26438 attached
, child_tidptr=0x555555f76650) = 26438
[pid 26438] set_robust_list(0x555555f76660, 24) = 0
[pid 26438] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26438] setpgid(0, 0)               = 0
[pid 26438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26438] write(3, "1000", 4)         = 4
[pid 26438] close(3)                    = 0
[pid 26438] write(1, "executing program\n", 18executing program
) = 18
[pid 26438] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26438] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26438] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26438] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26438] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26438] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26438] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26438] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26438] exit_group(0)               = ?
[pid 26438] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26438, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26439
./strace-static-x86_64: Process 26439 attached
[pid 26439] set_robust_list(0x555555f76660, 24) = 0
[pid 26439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26439] setpgid(0, 0)               = 0
[pid 26439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26439] write(3, "1000", 4)         = 4
[pid 26439] close(3)                    = 0
[pid 26439] write(1, "executing program\n", 18executing program
) = 18
[pid 26439] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26439] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26439] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26439] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26439] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26439] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26439] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26439] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26439] exit_group(0)               = ?
[pid 26439] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26439, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26440
./strace-static-x86_64: Process 26440 attached
[pid 26440] set_robust_list(0x555555f76660, 24) = 0
[pid 26440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26440] setpgid(0, 0)               = 0
[pid 26440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26440] write(3, "1000", 4)         = 4
[pid 26440] close(3)                    = 0
[pid 26440] write(1, "executing program\n", 18executing program
) = 18
[pid 26440] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26440] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26440] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26440] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26440] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26440] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26440] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26440] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26440] exit_group(0)               = ?
[pid 26440] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26440, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26441
./strace-static-x86_64: Process 26441 attached
[pid 26441] set_robust_list(0x555555f76660, 24) = 0
[pid 26441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26441] setpgid(0, 0)               = 0
[pid 26441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26441] write(3, "1000", 4)         = 4
[pid 26441] close(3)                    = 0
[pid 26441] write(1, "executing program\n", 18executing program
) = 18
[pid 26441] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26441] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26441] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26441] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26441] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26441] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26441] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26441] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26441] exit_group(0)               = ?
[pid 26441] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26441, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26442 attached
, child_tidptr=0x555555f76650) = 26442
[pid 26442] set_robust_list(0x555555f76660, 24) = 0
[pid 26442] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26442] setpgid(0, 0)               = 0
[pid 26442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26442] write(3, "1000", 4)         = 4
[pid 26442] close(3)                    = 0
[pid 26442] write(1, "executing program\n", 18executing program
) = 18
[pid 26442] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26442] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26442] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26442] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26442] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26442] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26442] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26442] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26442] exit_group(0)               = ?
[pid 26442] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26442, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26443
./strace-static-x86_64: Process 26443 attached
[pid 26443] set_robust_list(0x555555f76660, 24) = 0
[pid 26443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26443] setpgid(0, 0)               = 0
[pid 26443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26443] write(3, "1000", 4)         = 4
[pid 26443] close(3)                    = 0
[pid 26443] write(1, "executing program\n", 18executing program
) = 18
[pid 26443] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26443] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26443] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26443] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26443] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26443] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26443] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26443] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26443] exit_group(0)               = ?
[pid 26443] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26443, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26444 attached
, child_tidptr=0x555555f76650) = 26444
[pid 26444] set_robust_list(0x555555f76660, 24) = 0
[pid 26444] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26444] setpgid(0, 0)               = 0
[pid 26444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26444] write(3, "1000", 4)         = 4
[pid 26444] close(3)                    = 0
[pid 26444] write(1, "executing program\n", 18executing program
) = 18
[pid 26444] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26444] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26444] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26444] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26444] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26444] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26444] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26444] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26444] exit_group(0)               = ?
[pid 26444] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26444, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26445
./strace-static-x86_64: Process 26445 attached
[pid 26445] set_robust_list(0x555555f76660, 24) = 0
[pid 26445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26445] setpgid(0, 0)               = 0
[pid 26445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26445] write(3, "1000", 4)         = 4
[pid 26445] close(3)                    = 0
executing program
[pid 26445] write(1, "executing program\n", 18) = 18
[pid 26445] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26445] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26445] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26445] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26445] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26445] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26445] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26445] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26445] exit_group(0)               = ?
[pid 26445] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26445, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26446 attached
, child_tidptr=0x555555f76650) = 26446
[pid 26446] set_robust_list(0x555555f76660, 24) = 0
[pid 26446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26446] setpgid(0, 0)               = 0
executing program
[pid 26446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26446] write(3, "1000", 4)         = 4
[pid 26446] close(3)                    = 0
[pid 26446] write(1, "executing program\n", 18) = 18
[pid 26446] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26446] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26446] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26446] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26446] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26446] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26446] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26446] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26446] exit_group(0)               = ?
[pid 26446] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26446, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26447 attached
, child_tidptr=0x555555f76650) = 26447
[pid 26447] set_robust_list(0x555555f76660, 24) = 0
[pid 26447] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26447] setpgid(0, 0)               = 0
[pid 26447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26447] write(3, "1000", 4)         = 4
[pid 26447] close(3)                    = 0
[pid 26447] write(1, "executing program\n", 18executing program
) = 18
[pid 26447] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26447] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26447] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26447] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26447] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26447] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26447] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26447] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26447] exit_group(0)               = ?
[pid 26447] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26447, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>executing program
) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26448
./strace-static-x86_64: Process 26448 attached
[pid 26448] set_robust_list(0x555555f76660, 24) = 0
[pid 26448] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26448] setpgid(0, 0)               = 0
[pid 26448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26448] write(3, "1000", 4)         = 4
[pid 26448] close(3)                    = 0
[pid 26448] write(1, "executing program\n", 18) = 18
[pid 26448] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26448] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26448] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26448] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26448] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26448] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26448] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26448] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26448] exit_group(0)               = ?
[pid 26448] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26448, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26449 attached
, child_tidptr=0x555555f76650) = 26449
[pid 26449] set_robust_list(0x555555f76660, 24) = 0
[pid 26449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26449] setpgid(0, 0)               = 0
[pid 26449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26449] write(3, "1000", 4)         = 4
[pid 26449] close(3)                    = 0
[pid 26449] write(1, "executing program\n", 18executing program
) = 18
[pid 26449] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26449] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26449] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26449] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26449] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26449] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26449] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26449] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26449] exit_group(0)               = ?
[pid 26449] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26449, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26450 attached
, child_tidptr=0x555555f76650) = 26450
[pid 26450] set_robust_list(0x555555f76660, 24) = 0
[pid 26450] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26450] setpgid(0, 0)               = 0
[pid 26450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26450] write(3, "1000", 4)         = 4
[pid 26450] close(3)                    = 0
executing program
[pid 26450] write(1, "executing program\n", 18) = 18
[pid 26450] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26450] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26450] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26450] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26450] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26450] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26450] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26450] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26450] exit_group(0)               = ?
[pid 26450] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26450, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26451
./strace-static-x86_64: Process 26451 attached
[pid 26451] set_robust_list(0x555555f76660, 24) = 0
[pid 26451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26451] setpgid(0, 0)               = 0
[pid 26451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26451] write(3, "1000", 4)         = 4
[pid 26451] close(3)                    = 0
[pid 26451] write(1, "executing program\n", 18executing program
) = 18
[pid 26451] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26451] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26451] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26451] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26451] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26451] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26451] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26451] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26451] exit_group(0)               = ?
[pid 26451] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26451, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26452
./strace-static-x86_64: Process 26452 attached
[pid 26452] set_robust_list(0x555555f76660, 24) = 0
[pid 26452] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26452] setpgid(0, 0)               = 0
[pid 26452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26452] write(3, "1000", 4)         = 4
[pid 26452] close(3)                    = 0
[pid 26452] write(1, "executing program\n", 18executing program
) = 18
[pid 26452] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26452] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26452] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26452] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26452] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26452] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26452] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26452] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26452] exit_group(0)               = ?
[pid 26452] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26452, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26453 attached
, child_tidptr=0x555555f76650) = 26453
[pid 26453] set_robust_list(0x555555f76660, 24) = 0
[pid 26453] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26453] setpgid(0, 0)               = 0
[pid 26453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26453] write(3, "1000", 4)         = 4
[pid 26453] close(3)                    = 0
[pid 26453] write(1, "executing program\n", 18executing program
) = 18
[pid 26453] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26453] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26453] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26453] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26453] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26453] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26453] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26453] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26453] exit_group(0)               = ?
[pid 26453] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26453, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26454
./strace-static-x86_64: Process 26454 attached
[pid 26454] set_robust_list(0x555555f76660, 24) = 0
[pid 26454] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26454] setpgid(0, 0)               = 0
[pid 26454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26454] write(3, "1000", 4)         = 4
[pid 26454] close(3)                    = 0
[pid 26454] write(1, "executing program\n", 18executing program
) = 18
[pid 26454] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26454] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26454] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26454] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26454] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26454] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26454] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26454] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26454] exit_group(0)               = ?
[pid 26454] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26454, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26455 attached
, child_tidptr=0x555555f76650) = 26455
[pid 26455] set_robust_list(0x555555f76660, 24) = 0
[pid 26455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26455] setpgid(0, 0)               = 0
[pid 26455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26455] write(3, "1000", 4)         = 4
[pid 26455] close(3)                    = 0
[pid 26455] write(1, "executing program\n", 18executing program
) = 18
[pid 26455] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26455] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26455] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26455] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26455] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26455] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26455] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26455] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26455] exit_group(0)               = ?
[pid 26455] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26455, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26456
./strace-static-x86_64: Process 26456 attached
[pid 26456] set_robust_list(0x555555f76660, 24) = 0
[pid 26456] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26456] setpgid(0, 0)               = 0
[pid 26456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26456] write(3, "1000", 4)         = 4
[pid 26456] close(3)                    = 0
[pid 26456] write(1, "executing program\n", 18executing program
) = 18
[pid 26456] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26456] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26456] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26456] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26456] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26456] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26456] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26456] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26456] exit_group(0)               = ?
[pid 26456] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26456, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26457 attached
, child_tidptr=0x555555f76650) = 26457
[pid 26457] set_robust_list(0x555555f76660, 24) = 0
[pid 26457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26457] setpgid(0, 0)               = 0
[pid 26457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26457] write(3, "1000", 4)         = 4
[pid 26457] close(3)                    = 0
[pid 26457] write(1, "executing program\n", 18executing program
) = 18
[pid 26457] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26457] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26457] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26457] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26457] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26457] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26457] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26457] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26457] exit_group(0)               = ?
[pid 26457] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26457, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26458 attached
, child_tidptr=0x555555f76650) = 26458
[pid 26458] set_robust_list(0x555555f76660, 24) = 0
[pid 26458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26458] setpgid(0, 0)               = 0
[pid 26458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26458] write(3, "1000", 4)         = 4
[pid 26458] close(3)                    = 0
executing program
[pid 26458] write(1, "executing program\n", 18) = 18
[pid 26458] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26458] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26458] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26458] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26458] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26458] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26458] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26458] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26458] exit_group(0)               = ?
[pid 26458] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26458, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26459 attached
, child_tidptr=0x555555f76650) = 26459
[pid 26459] set_robust_list(0x555555f76660, 24) = 0
[pid 26459] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26459] setpgid(0, 0)               = 0
[pid 26459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26459] write(3, "1000", 4)         = 4
[pid 26459] close(3)                    = 0
executing program
[pid 26459] write(1, "executing program\n", 18) = 18
[pid 26459] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26459] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26459] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26459] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26459] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26459] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26459] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26459] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26459] exit_group(0)               = ?
[pid 26459] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26459, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26460
./strace-static-x86_64: Process 26460 attached
[pid 26460] set_robust_list(0x555555f76660, 24) = 0
[pid 26460] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26460] setpgid(0, 0)               = 0
[pid 26460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26460] write(3, "1000", 4)         = 4
[pid 26460] close(3)                    = 0
[pid 26460] write(1, "executing program\n", 18executing program
) = 18
[pid 26460] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26460] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26460] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26460] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26460] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26460] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26460] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26460] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26460] exit_group(0)               = ?
[pid 26460] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26460, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26461 attached
, child_tidptr=0x555555f76650) = 26461
[pid 26461] set_robust_list(0x555555f76660, 24) = 0
[pid 26461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26461] setpgid(0, 0)               = 0
[pid 26461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26461] write(3, "1000", 4)         = 4
[pid 26461] close(3)                    = 0
[pid 26461] write(1, "executing program\n", 18executing program
) = 18
[pid 26461] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26461] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26461] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26461] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26461] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26461] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26461] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26461] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26461] exit_group(0)               = ?
[pid 26461] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26461, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26462
./strace-static-x86_64: Process 26462 attached
[pid 26462] set_robust_list(0x555555f76660, 24) = 0
[pid 26462] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26462] setpgid(0, 0)               = 0
[pid 26462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26462] write(3, "1000", 4)         = 4
[pid 26462] close(3)                    = 0
executing program
[pid 26462] write(1, "executing program\n", 18) = 18
[pid 26462] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26462] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26462] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26462] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26462] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26462] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26462] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26462] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26462] exit_group(0)               = ?
[pid 26462] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26462, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26463
./strace-static-x86_64: Process 26463 attached
[pid 26463] set_robust_list(0x555555f76660, 24) = 0
[pid 26463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26463] setpgid(0, 0)               = 0
[pid 26463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26463] write(3, "1000", 4)         = 4
[pid 26463] close(3)                    = 0
executing program
[pid 26463] write(1, "executing program\n", 18) = 18
[pid 26463] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26463] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26463] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26463] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26463] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26463] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26463] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26463] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26463] exit_group(0)               = ?
[pid 26463] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26463, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26464 attached
, child_tidptr=0x555555f76650) = 26464
[pid 26464] set_robust_list(0x555555f76660, 24) = 0
[pid 26464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26464] setpgid(0, 0)               = 0
[pid 26464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26464] write(3, "1000", 4)         = 4
[pid 26464] close(3)                    = 0
[pid 26464] write(1, "executing program\n", 18executing program
) = 18
[pid 26464] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26464] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26464] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26464] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26464] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26464] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26464] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26464] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26464] exit_group(0)               = ?
[pid 26464] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26464, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26465
./strace-static-x86_64: Process 26465 attached
[pid 26465] set_robust_list(0x555555f76660, 24) = 0
[pid 26465] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26465] setpgid(0, 0)               = 0
[pid 26465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26465] write(3, "1000", 4)         = 4
[pid 26465] close(3)                    = 0
[pid 26465] write(1, "executing program\n", 18executing program
) = 18
[pid 26465] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26465] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26465] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26465] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26465] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26465] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26465] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26465] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26465] exit_group(0)               = ?
[pid 26465] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26465, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26466
./strace-static-x86_64: Process 26466 attached
[pid 26466] set_robust_list(0x555555f76660, 24) = 0
[pid 26466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26466] setpgid(0, 0)               = 0
[pid 26466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26466] write(3, "1000", 4)         = 4
[pid 26466] close(3)                    = 0
executing program
[pid 26466] write(1, "executing program\n", 18) = 18
[pid 26466] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26466] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26466] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26466] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26466] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26466] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26466] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26466] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26466] exit_group(0)               = ?
[pid 26466] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26466, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26467 attached
, child_tidptr=0x555555f76650) = 26467
[pid 26467] set_robust_list(0x555555f76660, 24) = 0
[pid 26467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26467] setpgid(0, 0)               = 0
[pid 26467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26467] write(3, "1000", 4)         = 4
executing program
[pid 26467] close(3)                    = 0
[pid 26467] write(1, "executing program\n", 18) = 18
[pid 26467] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26467] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26467] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26467] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26467] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26467] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26467] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26467] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26467] exit_group(0)               = ?
[pid 26467] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26467, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26468 attached
, child_tidptr=0x555555f76650) = 26468
[pid 26468] set_robust_list(0x555555f76660, 24) = 0
[pid 26468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26468] setpgid(0, 0)               = 0
[pid 26468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26468] write(3, "1000", 4)         = 4
[pid 26468] close(3)                    = 0
[pid 26468] write(1, "executing program\n", 18) = 18
[pid 26468] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26468] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26468] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26468] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26468] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26468] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26468] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26468] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26468] exit_group(0)               = ?
[pid 26468] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26468, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26469 attached
, child_tidptr=0x555555f76650) = 26469
[pid 26469] set_robust_list(0x555555f76660, 24) = 0
[pid 26469] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26469] setpgid(0, 0)               = 0
[pid 26469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26469] write(3, "1000", 4)         = 4
[pid 26469] close(3)                    = 0
[pid 26469] write(1, "executing program\n", 18executing program
) = 18
[pid 26469] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26469] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26469] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26469] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26469] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26469] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26469] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26469] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26469] exit_group(0)               = ?
[pid 26469] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26469, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26470
./strace-static-x86_64: Process 26470 attached
[pid 26470] set_robust_list(0x555555f76660, 24) = 0
[pid 26470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26470] setpgid(0, 0)               = 0
[pid 26470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26470] write(3, "1000", 4)         = 4
[pid 26470] close(3)                    = 0
executing program
[pid 26470] write(1, "executing program\n", 18) = 18
[pid 26470] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26470] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26470] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26470] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26470] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26470] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26470] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26470] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26470] exit_group(0)               = ?
[pid 26470] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26470, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26471 attached
, child_tidptr=0x555555f76650) = 26471
[pid 26471] set_robust_list(0x555555f76660, 24) = 0
[pid 26471] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26471] setpgid(0, 0)               = 0
[pid 26471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26471] write(3, "1000", 4)         = 4
[pid 26471] close(3)                    = 0
executing program
[pid 26471] write(1, "executing program\n", 18) = 18
[pid 26471] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26471] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26471] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26471] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26471] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26471] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26471] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26471] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26471] exit_group(0)               = ?
[pid 26471] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26471, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26472 attached
, child_tidptr=0x555555f76650) = 26472
[pid 26472] set_robust_list(0x555555f76660, 24) = 0
[pid 26472] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26472] setpgid(0, 0)               = 0
[pid 26472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26472] write(3, "1000", 4)         = 4
[pid 26472] close(3)                    = 0
executing program
[pid 26472] write(1, "executing program\n", 18) = 18
[pid 26472] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26472] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26472] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26472] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26472] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26472] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26472] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26472] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26472] exit_group(0)               = ?
[pid 26472] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26472, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26473 attached
, child_tidptr=0x555555f76650) = 26473
[pid 26473] set_robust_list(0x555555f76660, 24) = 0
[pid 26473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26473] setpgid(0, 0)               = 0
[pid 26473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26473] write(3, "1000", 4)         = 4
[pid 26473] close(3)                    = 0
[pid 26473] write(1, "executing program\n", 18) = 18
[pid 26473] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26473] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26473] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26473] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26473] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26473] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26473] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26473] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26473] exit_group(0)               = ?
[pid 26473] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26473, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26474 attached
, child_tidptr=0x555555f76650) = 26474
[pid 26474] set_robust_list(0x555555f76660, 24) = 0
[pid 26474] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26474] setpgid(0, 0)               = 0
[pid 26474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26474] write(3, "1000", 4)         = 4
[pid 26474] close(3)                    = 0
[pid 26474] write(1, "executing program\n", 18) = 18
[pid 26474] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26474] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26474] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26474] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26474] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26474] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26474] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26474] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26474] exit_group(0)               = ?
[pid 26474] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26474, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26475 attached
, child_tidptr=0x555555f76650) = 26475
[pid 26475] set_robust_list(0x555555f76660, 24) = 0
[pid 26475] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26475] setpgid(0, 0)               = 0
[pid 26475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26475] write(3, "1000", 4)         = 4
[pid 26475] close(3executing program
)                    = 0
[pid 26475] write(1, "executing program\n", 18) = 18
[pid 26475] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26475] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26475] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26475] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26475] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26475] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26475] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26475] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26475] exit_group(0)               = ?
[pid 26475] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26475, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26476
./strace-static-x86_64: Process 26476 attached
[pid 26476] set_robust_list(0x555555f76660, 24) = 0
[pid 26476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26476] setpgid(0, 0)               = 0
[pid 26476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26476] write(3, "1000", 4)         = 4
[pid 26476] close(3)                    = 0
[pid 26476] write(1, "executing program\n", 18executing program
) = 18
[pid 26476] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26476] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26476] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26476] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26476] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26476] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26476] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26476] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26476] exit_group(0)               = ?
[pid 26476] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26476, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26477
./strace-static-x86_64: Process 26477 attached
[pid 26477] set_robust_list(0x555555f76660, 24) = 0
[pid 26477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26477] setpgid(0, 0)               = 0
[pid 26477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26477] write(3, "1000", 4)         = 4
[pid 26477] close(3)                    = 0
[pid 26477] write(1, "executing program\n", 18executing program
) = 18
[pid 26477] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26477] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26477] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26477] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26477] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26477] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26477] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26477] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26477] exit_group(0)               = ?
[pid 26477] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26477, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26478 attached
, child_tidptr=0x555555f76650) = 26478
[pid 26478] set_robust_list(0x555555f76660, 24) = 0
[pid 26478] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26478] setpgid(0, 0)               = 0
[pid 26478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26478] write(3, "1000", 4)         = 4
[pid 26478] close(3)                    = 0
[pid 26478] write(1, "executing program\n", 18executing program
) = 18
[pid 26478] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26478] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26478] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26478] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26478] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26478] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26478] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26478] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26478] exit_group(0)               = ?
[pid 26478] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26478, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26479 attached
, child_tidptr=0x555555f76650) = 26479
[pid 26479] set_robust_list(0x555555f76660, 24) = 0
[pid 26479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26479] setpgid(0, 0)               = 0
[pid 26479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26479] write(3, "1000", 4)         = 4
[pid 26479] close(3)                    = 0
[pid 26479] write(1, "executing program\n", 18) = 18
[pid 26479] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26479] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26479] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26479] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26479] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26479] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26479] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26479] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26479] exit_group(0)               = ?
[pid 26479] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26479, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26480 attached
, child_tidptr=0x555555f76650) = 26480
[pid 26480] set_robust_list(0x555555f76660, 24) = 0
[pid 26480] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26480] setpgid(0, 0)               = 0
[pid 26480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26480] write(3, "1000", 4)         = 4
[pid 26480] close(3)                    = 0
[pid 26480] write(1, "executing program\n", 18) = 18
[pid 26480] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26480] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26480] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26480] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26480] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26480] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26480] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26480] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26480] exit_group(0)               = ?
[pid 26480] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26480, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26481 attached
, child_tidptr=0x555555f76650) = 26481
[pid 26481] set_robust_list(0x555555f76660, 24) = 0
[pid 26481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26481] setpgid(0, 0)               = 0
[pid 26481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26481] write(3, "1000", 4)         = 4
[pid 26481] close(3)                    = 0
executing program
[pid 26481] write(1, "executing program\n", 18) = 18
[pid 26481] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26481] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26481] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26481] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26481] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26481] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26481] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26481] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26481] exit_group(0)               = ?
[pid 26481] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26481, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26482 attached
, child_tidptr=0x555555f76650) = 26482
[pid 26482] set_robust_list(0x555555f76660, 24) = 0
[pid 26482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26482] setpgid(0, 0)               = 0
[pid 26482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26482] write(3, "1000", 4)         = 4
[pid 26482] close(3executing program
)                    = 0
[pid 26482] write(1, "executing program\n", 18) = 18
[pid 26482] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26482] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26482] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26482] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26482] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26482] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26482] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26482] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26482] exit_group(0)               = ?
[pid 26482] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26482, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26483
./strace-static-x86_64: Process 26483 attached
[pid 26483] set_robust_list(0x555555f76660, 24) = 0
[pid 26483] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26483] setpgid(0, 0)               = 0
[pid 26483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26483] write(3, "1000", 4)         = 4
[pid 26483] close(3executing program
)                    = 0
[pid 26483] write(1, "executing program\n", 18) = 18
[pid 26483] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26483] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26483] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26483] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26483] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26483] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26483] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26483] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26483] exit_group(0)               = ?
[pid 26483] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26483, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26485 attached
, child_tidptr=0x555555f76650) = 26485
[pid 26485] set_robust_list(0x555555f76660, 24) = 0
[pid 26485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26485] setpgid(0, 0)               = 0
[pid 26485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26485] write(3, "1000", 4)         = 4
[pid 26485] close(3)                    = 0
[pid 26485] write(1, "executing program\n", 18executing program
) = 18
[pid 26485] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26485] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26485] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26485] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26485] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26485] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26485] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26485] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26485] exit_group(0)               = ?
[pid 26485] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26485, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26486
./strace-static-x86_64: Process 26486 attached
[pid 26486] set_robust_list(0x555555f76660, 24) = 0
[pid 26486] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26486] setpgid(0, 0)               = 0
[pid 26486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26486] write(3, "1000", 4)         = 4
[pid 26486] close(3)                    = 0
[pid 26486] write(1, "executing program\n", 18executing program
) = 18
[pid 26486] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26486] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26486] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26486] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26486] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26486] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26486] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26486] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26486] exit_group(0)               = ?
[pid 26486] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26486, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26487 attached
, child_tidptr=0x555555f76650) = 26487
[pid 26487] set_robust_list(0x555555f76660, 24) = 0
[pid 26487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26487] setpgid(0, 0)               = 0
[pid 26487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26487] write(3, "1000", 4)         = 4
[pid 26487] close(3)                    = 0
[pid 26487] write(1, "executing program\n", 18) = 18
[pid 26487] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26487] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26487] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26487] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26487] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26487] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26487] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26487] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26487] exit_group(0)               = ?
[pid 26487] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26487, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26488 attached
, child_tidptr=0x555555f76650) = 26488
[pid 26488] set_robust_list(0x555555f76660, 24) = 0
[pid 26488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26488] setpgid(0, 0)               = 0
[pid 26488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26488] write(3, "1000", 4)         = 4
[pid 26488] close(3)                    = 0
[pid 26488] write(1, "executing program\n", 18) = 18
[pid 26488] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26488] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26488] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26488] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26488] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26488] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26488] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26488] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26488] exit_group(0)               = ?
[pid 26488] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26488, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26489 attached
, child_tidptr=0x555555f76650) = 26489
[pid 26489] set_robust_list(0x555555f76660, 24) = 0
[pid 26489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26489] setpgid(0, 0)               = 0
[pid 26489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26489] write(3, "1000", 4)         = 4
[pid 26489] close(3)                    = 0
[pid 26489] write(1, "executing program\n", 18executing program
) = 18
[pid 26489] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26489] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26489] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26489] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26489] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26489] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26489] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26489] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26489] exit_group(0)               = ?
[pid 26489] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26489, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26490 attached
, child_tidptr=0x555555f76650) = 26490
[pid 26490] set_robust_list(0x555555f76660, 24) = 0
[pid 26490] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26490] setpgid(0, 0)               = 0
[pid 26490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26490] write(3, "1000", 4)         = 4
[pid 26490] close(3)                    = 0
[pid 26490] write(1, "executing program\n", 18executing program
) = 18
[pid 26490] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26490] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26490] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26490] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26490] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26490] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26490] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26490] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26490] exit_group(0)               = ?
[pid 26490] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26490, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26491
./strace-static-x86_64: Process 26491 attached
[pid 26491] set_robust_list(0x555555f76660, 24) = 0
[pid 26491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26491] setpgid(0, 0)               = 0
[pid 26491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26491] write(3, "1000", 4executing program
)         = 4
[pid 26491] close(3)                    = 0
[pid 26491] write(1, "executing program\n", 18) = 18
[pid 26491] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26491] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26491] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26491] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26491] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26491] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26491] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26491] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26491] exit_group(0)               = ?
[pid 26491] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26491, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26492 attached
, child_tidptr=0x555555f76650) = 26492
[pid 26492] set_robust_list(0x555555f76660, 24) = 0
[pid 26492] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26492] setpgid(0, 0)               = 0
[pid 26492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26492] write(3, "1000", 4)         = 4
[pid 26492] close(3)                    = 0
executing program
[pid 26492] write(1, "executing program\n", 18) = 18
[pid 26492] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26492] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26492] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26492] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26492] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26492] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26492] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26492] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26492] exit_group(0)               = ?
[pid 26492] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26492, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26493
./strace-static-x86_64: Process 26493 attached
[pid 26493] set_robust_list(0x555555f76660, 24) = 0
[pid 26493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26493] setpgid(0, 0)               = 0
[pid 26493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26493] write(3, "1000", 4)         = 4
[pid 26493] close(3executing program
)                    = 0
[pid 26493] write(1, "executing program\n", 18) = 18
[pid 26493] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26493] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26493] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26493] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26493] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26493] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26493] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26493] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26493] exit_group(0)               = ?
[pid 26493] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26493, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26494 attached
, child_tidptr=0x555555f76650) = 26494
[pid 26494] set_robust_list(0x555555f76660, 24) = 0
[pid 26494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26494] setpgid(0, 0)               = 0
[pid 26494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26494] write(3, "1000", 4)         = 4
[pid 26494] close(3)                    = 0
executing program
[pid 26494] write(1, "executing program\n", 18) = 18
[pid 26494] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26494] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26494] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26494] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26494] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26494] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26494] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26494] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26494] exit_group(0)               = ?
[pid 26494] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26494, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26495 attached
, child_tidptr=0x555555f76650) = 26495
[pid 26495] set_robust_list(0x555555f76660, 24) = 0
[pid 26495] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26495] setpgid(0, 0)               = 0
[pid 26495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26495] write(3, "1000", 4)         = 4
[pid 26495] close(3)                    = 0
[pid 26495] write(1, "executing program\n", 18executing program
) = 18
[pid 26495] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26495] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26495] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26495] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26495] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26495] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26495] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26495] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26495] exit_group(0)               = ?
[pid 26495] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26495, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26496 attached
, child_tidptr=0x555555f76650) = 26496
[pid 26496] set_robust_list(0x555555f76660, 24) = 0
[pid 26496] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26496] setpgid(0, 0)               = 0
[pid 26496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26496] write(3, "1000", 4)         = 4
[pid 26496] close(3)                    = 0
[pid 26496] write(1, "executing program\n", 18executing program
) = 18
[pid 26496] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26496] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26496] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26496] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26496] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26496] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26496] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26496] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26496] exit_group(0)               = ?
[pid 26496] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26496, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26497
./strace-static-x86_64: Process 26497 attached
[pid 26497] set_robust_list(0x555555f76660, 24) = 0
[pid 26497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26497] setpgid(0, 0)               = 0
[pid 26497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26497] write(3, "1000", 4)         = 4
[pid 26497] close(3)                    = 0
[pid 26497] write(1, "executing program\n", 18executing program
) = 18
[pid 26497] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26497] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26497] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26497] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26497] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26497] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26497] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26497] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26497] exit_group(0)               = ?
[pid 26497] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26497, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26498
./strace-static-x86_64: Process 26498 attached
[pid 26498] set_robust_list(0x555555f76660, 24) = 0
[pid 26498] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26498] setpgid(0, 0)               = 0
[pid 26498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26498] write(3, "1000", 4)         = 4
[pid 26498] close(3)                    = 0
[pid 26498] write(1, "executing program\n", 18executing program
) = 18
[pid 26498] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26498] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26498] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26498] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26498] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26498] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26498] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26498] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26498] exit_group(0)               = ?
[pid 26498] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26498, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26499 attached
, child_tidptr=0x555555f76650) = 26499
[pid 26499] set_robust_list(0x555555f76660, 24) = 0
[pid 26499] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26499] setpgid(0, 0)               = 0
[pid 26499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26499] write(3, "1000", 4)         = 4
[pid 26499] close(3)                    = 0
[pid 26499] write(1, "executing program\n", 18executing program
) = 18
[pid 26499] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26499] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26499] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26499] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26499] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26499] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26499] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26499] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26499] exit_group(0)               = ?
[pid 26499] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26499, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26500
./strace-static-x86_64: Process 26500 attached
[pid 26500] set_robust_list(0x555555f76660, 24) = 0
[pid 26500] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26500] setpgid(0, 0)               = 0
[pid 26500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26500] write(3, "1000", 4)         = 4
[pid 26500] close(3)                    = 0
executing program
[pid 26500] write(1, "executing program\n", 18) = 18
[pid 26500] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26500] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26500] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26500] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26500] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26500] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26500] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26500] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26500] exit_group(0)               = ?
[pid 26500] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26500, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26501
./strace-static-x86_64: Process 26501 attached
[pid 26501] set_robust_list(0x555555f76660, 24) = 0
[pid 26501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26501] setpgid(0, 0)               = 0
[pid 26501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26501] write(3, "1000", 4)         = 4
[pid 26501] close(3)                    = 0
[pid 26501] write(1, "executing program\n", 18executing program
) = 18
[pid 26501] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26501] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26501] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26501] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26501] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26501] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26501] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26501] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26501] exit_group(0)               = ?
[pid 26501] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26501, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26502
./strace-static-x86_64: Process 26502 attached
[pid 26502] set_robust_list(0x555555f76660, 24) = 0
[pid 26502] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26502] setpgid(0, 0)               = 0
[pid 26502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26502] write(3, "1000", 4)         = 4
[pid 26502] close(3)                    = 0
executing program
[pid 26502] write(1, "executing program\n", 18) = 18
[pid 26502] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26502] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26502] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26502] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26502] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26502] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26502] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26502] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26502] exit_group(0)               = ?
[pid 26502] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26502, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26503 attached
, child_tidptr=0x555555f76650) = 26503
[pid 26503] set_robust_list(0x555555f76660, 24) = 0
[pid 26503] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26503] setpgid(0, 0)               = 0
[pid 26503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26503] write(3, "1000", 4)         = 4
[pid 26503] close(3)                    = 0
[pid 26503] write(1, "executing program\n", 18executing program
) = 18
[pid 26503] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26503] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26503] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26503] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26503] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26503] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26503] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26503] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26503] exit_group(0)               = ?
[pid 26503] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26503, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26504
./strace-static-x86_64: Process 26504 attached
[pid 26504] set_robust_list(0x555555f76660, 24) = 0
[pid 26504] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26504] setpgid(0, 0)               = 0
[pid 26504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26504] write(3, "1000", 4)         = 4
[pid 26504] close(3)                    = 0
[pid 26504] write(1, "executing program\n", 18executing program
) = 18
[pid 26504] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26504] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26504] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26504] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26504] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26504] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26504] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26504] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26504] exit_group(0)               = ?
[pid 26504] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26504, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26505
./strace-static-x86_64: Process 26505 attached
[pid 26505] set_robust_list(0x555555f76660, 24) = 0
[pid 26505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26505] setpgid(0, 0)               = 0
[pid 26505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26505] write(3, "1000", 4)         = 4
[pid 26505] close(3)                    = 0
[pid 26505] write(1, "executing program\n", 18executing program
) = 18
[pid 26505] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26505] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26505] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26505] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26505] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26505] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26505] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26505] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26505] exit_group(0)               = ?
[pid 26505] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26505, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26506 attached
, child_tidptr=0x555555f76650) = 26506
[pid 26506] set_robust_list(0x555555f76660, 24) = 0
[pid 26506] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26506] setpgid(0, 0)               = 0
[pid 26506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26506] write(3, "1000", 4)         = 4
[pid 26506] close(3)                    = 0
[pid 26506] write(1, "executing program\n", 18executing program
) = 18
[pid 26506] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26506] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26506] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26506] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26506] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26506] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26506] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26506] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26506] exit_group(0)               = ?
[pid 26506] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26506, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26507 attached
, child_tidptr=0x555555f76650) = 26507
[pid 26507] set_robust_list(0x555555f76660, 24) = 0
[pid 26507] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26507] setpgid(0, 0)               = 0
[pid 26507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26507] write(3, "1000", 4)         = 4
[pid 26507] close(3)                    = 0
[pid 26507] write(1, "executing program\n", 18) = 18
[pid 26507] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26507] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26507] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26507] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26507] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26507] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26507] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26507] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26507] exit_group(0)               = ?
[pid 26507] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26507, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26508
./strace-static-x86_64: Process 26508 attached
[pid 26508] set_robust_list(0x555555f76660, 24) = 0
[pid 26508] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26508] setpgid(0, 0)               = 0
[pid 26508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26508] write(3, "1000", 4)         = 4
[pid 26508] close(3)                    = 0
[pid 26508] write(1, "executing program\n", 18executing program
) = 18
[pid 26508] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26508] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26508] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26508] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26508] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26508] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26508] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26508] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26508] exit_group(0)               = ?
[pid 26508] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26508, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26509
./strace-static-x86_64: Process 26509 attached
[pid 26509] set_robust_list(0x555555f76660, 24) = 0
[pid 26509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26509] setpgid(0, 0)               = 0
[pid 26509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26509] write(3, "1000", 4)         = 4
[pid 26509] close(3)                    = 0
[pid 26509] write(1, "executing program\n", 18executing program
) = 18
[pid 26509] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26509] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26509] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26509] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26509] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26509] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26509] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26509] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26509] exit_group(0)               = ?
[pid 26509] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26509, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26510 attached
, child_tidptr=0x555555f76650) = 26510
[pid 26510] set_robust_list(0x555555f76660, 24) = 0
[pid 26510] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26510] setpgid(0, 0)               = 0
[pid 26510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26510] write(3, "1000", 4)         = 4
[pid 26510] close(3)                    = 0
[pid 26510] write(1, "executing program\n", 18executing program
) = 18
[pid 26510] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26510] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26510] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26510] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26510] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26510] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26510] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26510] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26510] exit_group(0)               = ?
[pid 26510] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26510, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26511
./strace-static-x86_64: Process 26511 attached
[pid 26511] set_robust_list(0x555555f76660, 24) = 0
[pid 26511] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26511] setpgid(0, 0)               = 0
[pid 26511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26511] write(3, "1000", 4)         = 4
[pid 26511] close(3)                    = 0
[pid 26511] write(1, "executing program\n", 18) = 18
[pid 26511] perf_event_open(executing program
{type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26511] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26511] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26511] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26511] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26511] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26511] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26511] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26511] exit_group(0)               = ?
[pid 26511] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26511, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26512
./strace-static-x86_64: Process 26512 attached
[pid 26512] set_robust_list(0x555555f76660, 24) = 0
[pid 26512] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26512] setpgid(0, 0)               = 0
[pid 26512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26512] write(3, "1000", 4)         = 4
[pid 26512] close(3)                    = 0
[pid 26512] write(1, "executing program\n", 18executing program
) = 18
[pid 26512] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26512] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26512] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26512] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26512] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26512] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26512] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26512] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26512] exit_group(0)               = ?
[pid 26512] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26512, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26513 attached
, child_tidptr=0x555555f76650) = 26513
[pid 26513] set_robust_list(0x555555f76660, 24) = 0
[pid 26513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26513] setpgid(0, 0)               = 0
[pid 26513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26513] write(3, "1000", 4executing program
)         = 4
[pid 26513] close(3)                    = 0
[pid 26513] write(1, "executing program\n", 18) = 18
[pid 26513] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26513] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26513] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26513] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26513] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26513] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26513] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26513] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26513] exit_group(0)               = ?
[pid 26513] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26513, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26514
./strace-static-x86_64: Process 26514 attached
[pid 26514] set_robust_list(0x555555f76660, 24) = 0
[pid 26514] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26514] setpgid(0, 0)               = 0
[pid 26514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26514] write(3, "1000", 4)         = 4
[pid 26514] close(3)                    = 0
[pid 26514] write(1, "executing program\n", 18executing program
) = 18
[pid 26514] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26514] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26514] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26514] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26514] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26514] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26514] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26514] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26514] exit_group(0)               = ?
[pid 26514] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26514, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26515
./strace-static-x86_64: Process 26515 attached
[pid 26515] set_robust_list(0x555555f76660, 24) = 0
[pid 26515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26515] setpgid(0, 0)               = 0
[pid 26515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26515] write(3, "1000", 4)         = 4
[pid 26515] close(3)                    = 0
[pid 26515] write(1, "executing program\n", 18executing program
) = 18
[pid 26515] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26515] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26515] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26515] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26515] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26515] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26515] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26515] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26515] exit_group(0)               = ?
[pid 26515] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26515, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26516 attached
, child_tidptr=0x555555f76650) = 26516
[pid 26516] set_robust_list(0x555555f76660, 24) = 0
[pid 26516] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26516] setpgid(0, 0)               = 0
[pid 26516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26516] write(3, "1000", 4)         = 4
[pid 26516] close(3)                    = 0
[pid 26516] write(1, "executing program\n", 18executing program
) = 18
[pid 26516] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26516] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26516] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26516] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26516] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26516] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26516] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26516] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26516] exit_group(0)               = ?
[pid 26516] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26516, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26517 attached
, child_tidptr=0x555555f76650) = 26517
[pid 26517] set_robust_list(0x555555f76660, 24) = 0
[pid 26517] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26517] setpgid(0, 0)               = 0
[pid 26517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26517] write(3, "1000", 4)         = 4
[pid 26517] close(3)                    = 0
executing program
[pid 26517] write(1, "executing program\n", 18) = 18
[pid 26517] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26517] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26517] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26517] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26517] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26517] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26517] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26517] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26517] exit_group(0)               = ?
[pid 26517] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26517, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26518 attached
, child_tidptr=0x555555f76650) = 26518
[pid 26518] set_robust_list(0x555555f76660, 24) = 0
[pid 26518] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26518] setpgid(0, 0)               = 0
[pid 26518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26518] write(3, "1000", 4)         = 4
[pid 26518] close(3)                    = 0
executing program
[pid 26518] write(1, "executing program\n", 18) = 18
[pid 26518] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26518] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26518] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26518] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26518] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26518] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26518] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26518] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26518] exit_group(0)               = ?
[pid 26518] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26518, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26519
./strace-static-x86_64: Process 26519 attached
[pid 26519] set_robust_list(0x555555f76660, 24) = 0
[pid 26519] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26519] setpgid(0, 0)               = 0
[pid 26519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26519] write(3, "1000", 4)         = 4
[pid 26519] close(3)                    = 0
executing program
[pid 26519] write(1, "executing program\n", 18) = 18
[pid 26519] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26519] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26519] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26519] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26519] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26519] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26519] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26519] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26519] exit_group(0)               = ?
[pid 26519] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26519, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26520 attached
, child_tidptr=0x555555f76650) = 26520
[pid 26520] set_robust_list(0x555555f76660, 24) = 0
[pid 26520] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26520] setpgid(0, 0)               = 0
[pid 26520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26520] write(3, "1000", 4)         = 4
[pid 26520] close(3)                    = 0
executing program
[pid 26520] write(1, "executing program\n", 18) = 18
[pid 26520] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26520] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26520] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26520] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26520] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26520] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26520] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26520] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26520] exit_group(0)               = ?
[pid 26520] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26520, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26521
./strace-static-x86_64: Process 26521 attached
[pid 26521] set_robust_list(0x555555f76660, 24) = 0
[pid 26521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26521] setpgid(0, 0)               = 0
[pid 26521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26521] write(3, "1000", 4)         = 4
[pid 26521] close(3executing program
)                    = 0
[pid 26521] write(1, "executing program\n", 18) = 18
[pid 26521] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26521] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26521] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26521] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26521] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26521] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26521] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26521] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26521] exit_group(0)               = ?
[pid 26521] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26521, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26522 attached
, child_tidptr=0x555555f76650) = 26522
[pid 26522] set_robust_list(0x555555f76660, 24) = 0
[pid 26522] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26522] setpgid(0, 0)               = 0
[pid 26522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26522] write(3, "1000", 4)         = 4
[pid 26522] close(3)                    = 0
[pid 26522] write(1, "executing program\n", 18executing program
) = 18
[pid 26522] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26522] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26522] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26522] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26522] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26522] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26522] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26522] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26522] exit_group(0)               = ?
[pid 26522] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26522, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26523
./strace-static-x86_64: Process 26523 attached
[pid 26523] set_robust_list(0x555555f76660, 24) = 0
[pid 26523] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26523] setpgid(0, 0)               = 0
[pid 26523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26523] write(3, "1000", 4)         = 4
[pid 26523] close(3)                    = 0
[pid 26523] write(1, "executing program\n", 18executing program
) = 18
[pid 26523] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26523] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26523] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26523] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26523] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26523] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26523] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26523] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26523] exit_group(0)               = ?
[pid 26523] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26523, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26524 attached
, child_tidptr=0x555555f76650) = 26524
[pid 26524] set_robust_list(0x555555f76660, 24) = 0
[pid 26524] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26524] setpgid(0, 0)               = 0
[pid 26524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26524] write(3, "1000", 4)         = 4
[pid 26524] close(3)                    = 0
[pid 26524] write(1, "executing program\n", 18executing program
) = 18
[pid 26524] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26524] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26524] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26524] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26524] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26524] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26524] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26524] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26524] exit_group(0)               = ?
[pid 26524] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26524, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26525 attached
, child_tidptr=0x555555f76650) = 26525
[pid 26525] set_robust_list(0x555555f76660, 24) = 0
[pid 26525] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26525] setpgid(0, 0)               = 0
[pid 26525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26525] write(3, "1000", 4)         = 4
[pid 26525] close(3)                    = 0
[pid 26525] write(1, "executing program\n", 18) = 18
[pid 26525] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26525] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26525] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26525] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26525] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26525] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26525] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26525] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26525] exit_group(0)               = ?
[pid 26525] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26525, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26526 attached
, child_tidptr=0x555555f76650) = 26526
[pid 26526] set_robust_list(0x555555f76660, 24) = 0
[pid 26526] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26526] setpgid(0, 0)               = 0
[pid 26526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26526] write(3, "1000", 4)         = 4
[pid 26526] close(3)                    = 0
[pid 26526] write(1, "executing program\n", 18executing program
) = 18
[pid 26526] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26526] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26526] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26526] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26526] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26526] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26526] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26526] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26526] exit_group(0)               = ?
[pid 26526] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26526, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26527 attached
, child_tidptr=0x555555f76650) = 26527
[pid 26527] set_robust_list(0x555555f76660, 24) = 0
[pid 26527] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26527] setpgid(0, 0)               = 0
[pid 26527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26527] write(3, "1000", 4)         = 4
[pid 26527] close(3executing program
)                    = 0
[pid 26527] write(1, "executing program\n", 18) = 18
[pid 26527] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26527] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26527] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26527] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26527] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26527] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26527] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26527] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26527] exit_group(0)               = ?
[pid 26527] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26527, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26528 attached
, child_tidptr=0x555555f76650) = 26528
[pid 26528] set_robust_list(0x555555f76660, 24) = 0
[pid 26528] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26528] setpgid(0, 0)               = 0
[pid 26528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26528] write(3, "1000", 4)         = 4
[pid 26528] close(3executing program
)                    = 0
[pid 26528] write(1, "executing program\n", 18) = 18
[pid 26528] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26528] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26528] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26528] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26528] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26528] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26528] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26528] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26528] exit_group(0)               = ?
[pid 26528] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26528, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26529
./strace-static-x86_64: Process 26529 attached
[pid 26529] set_robust_list(0x555555f76660, 24) = 0
[pid 26529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26529] setpgid(0, 0)               = 0
[pid 26529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26529] write(3, "1000", 4)         = 4
[pid 26529] close(3)                    = 0
executing program
[pid 26529] write(1, "executing program\n", 18) = 18
[pid 26529] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26529] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26529] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26529] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26529] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26529] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26529] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26529] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26529] exit_group(0)               = ?
[pid 26529] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26529, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26530 attached
, child_tidptr=0x555555f76650) = 26530
[pid 26530] set_robust_list(0x555555f76660, 24) = 0
[pid 26530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26530] setpgid(0, 0)               = 0
[pid 26530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26530] write(3, "1000", 4)         = 4
[pid 26530] close(3)                    = 0
executing program
[pid 26530] write(1, "executing program\n", 18) = 18
[pid 26530] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26530] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26530] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26530] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26530] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26530] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26530] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26530] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26530] exit_group(0)               = ?
[pid 26530] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26530, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26531
./strace-static-x86_64: Process 26531 attached
[pid 26531] set_robust_list(0x555555f76660, 24) = 0
[pid 26531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26531] setpgid(0, 0)               = 0
[pid 26531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26531] write(3, "1000", 4)         = 4
[pid 26531] close(3)                    = 0
[pid 26531] write(1, "executing program\n", 18executing program
) = 18
[pid 26531] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26531] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26531] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26531] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26531] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26531] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26531] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26531] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26531] exit_group(0)               = ?
[pid 26531] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26531, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26532 attached
, child_tidptr=0x555555f76650) = 26532
[pid 26532] set_robust_list(0x555555f76660, 24) = 0
[pid 26532] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26532] setpgid(0, 0)               = 0
[pid 26532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26532] write(3, "1000", 4)         = 4
[pid 26532] close(3)                    = 0
[pid 26532] write(1, "executing program\n", 18) = 18
[pid 26532] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26532] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26532] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26532] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26532] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26532] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26532] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26532] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26532] exit_group(0)               = ?
[pid 26532] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26532, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26533
./strace-static-x86_64: Process 26533 attached
[pid 26533] set_robust_list(0x555555f76660, 24) = 0
[pid 26533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26533] setpgid(0, 0)               = 0
[pid 26533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26533] write(3, "1000", 4)         = 4
[pid 26533] close(3)                    = 0
[pid 26533] write(1, "executing program\n", 18) = 18
[pid 26533] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26533] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26533] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26533] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26533] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26533] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26533] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26533] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26533] exit_group(0)               = ?
[pid 26533] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26533, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26534 attached
, child_tidptr=0x555555f76650) = 26534
[pid 26534] set_robust_list(0x555555f76660, 24) = 0
[pid 26534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26534] setpgid(0, 0)               = 0
[pid 26534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26534] write(3, "1000", 4)         = 4
[pid 26534] close(3)                    = 0
executing program
[pid 26534] write(1, "executing program\n", 18) = 18
[pid 26534] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26534] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26534] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26534] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26534] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26534] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26534] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26534] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26534] exit_group(0)               = ?
[pid 26534] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26534, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26535
./strace-static-x86_64: Process 26535 attached
[pid 26535] set_robust_list(0x555555f76660, 24) = 0
[pid 26535] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26535] setpgid(0, 0)               = 0
[pid 26535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26535] write(3, "1000", 4)         = 4
[pid 26535] close(3)                    = 0
[pid 26535] write(1, "executing program\n", 18executing program
) = 18
[pid 26535] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26535] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26535] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26535] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26535] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26535] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26535] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26535] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26535] exit_group(0)               = ?
[pid 26535] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26535, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26536 attached
, child_tidptr=0x555555f76650) = 26536
[pid 26536] set_robust_list(0x555555f76660, 24) = 0
[pid 26536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26536] setpgid(0, 0)               = 0
[pid 26536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26536] write(3, "1000", 4)         = 4
[pid 26536] close(3)                    = 0
[pid 26536] write(1, "executing program\n", 18executing program
) = 18
[pid 26536] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26536] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26536] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26536] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26536] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26536] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26536] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26536] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26536] exit_group(0)               = ?
[pid 26536] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26536, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26537 attached
, child_tidptr=0x555555f76650) = 26537
[pid 26537] set_robust_list(0x555555f76660, 24) = 0
[pid 26537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26537] setpgid(0, 0)               = 0
[pid 26537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26537] write(3, "1000", 4)         = 4
[pid 26537] close(3)                    = 0
executing program
[pid 26537] write(1, "executing program\n", 18) = 18
[pid 26537] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26537] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26537] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26537] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26537] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26537] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26537] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26537] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26537] exit_group(0)               = ?
[pid 26537] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26537, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26538
./strace-static-x86_64: Process 26538 attached
[pid 26538] set_robust_list(0x555555f76660, 24) = 0
[pid 26538] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26538] setpgid(0, 0)               = 0
[pid 26538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26538] write(3, "1000", 4)         = 4
[pid 26538] close(3)                    = 0
executing program
[pid 26538] write(1, "executing program\n", 18) = 18
[pid 26538] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26538] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26538] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26538] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26538] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26538] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26538] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26538] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26538] exit_group(0)               = ?
[pid 26538] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26538, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26539 attached
, child_tidptr=0x555555f76650) = 26539
[pid 26539] set_robust_list(0x555555f76660, 24) = 0
[pid 26539] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26539] setpgid(0, 0)               = 0
[pid 26539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26539] write(3, "1000", 4)         = 4
[pid 26539] close(3)                    = 0
executing program
[pid 26539] write(1, "executing program\n", 18) = 18
[pid 26539] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26539] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26539] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26539] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26539] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26539] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26539] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26539] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26539] exit_group(0)               = ?
[pid 26539] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26539, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26540 attached
, child_tidptr=0x555555f76650) = 26540
[pid 26540] set_robust_list(0x555555f76660, 24) = 0
[pid 26540] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26540] setpgid(0, 0)               = 0
[pid 26540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26540] write(3, "1000", 4)         = 4
[pid 26540] close(3)                    = 0
[pid 26540] write(1, "executing program\n", 18executing program
) = 18
[pid 26540] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26540] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26540] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26540] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26540] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26540] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26540] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26540] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26540] exit_group(0)               = ?
[pid 26540] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26540, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26541
./strace-static-x86_64: Process 26541 attached
[pid 26541] set_robust_list(0x555555f76660, 24) = 0
[pid 26541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26541] setpgid(0, 0)               = 0
[pid 26541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26541] write(3, "1000", 4)         = 4
[pid 26541] close(3)                    = 0
[pid 26541] write(1, "executing program\n", 18executing program
) = 18
[pid 26541] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26541] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26541] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26541] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26541] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26541] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26541] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26541] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26541] exit_group(0)               = ?
[pid 26541] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26541, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26542 attached
, child_tidptr=0x555555f76650) = 26542
[pid 26542] set_robust_list(0x555555f76660, 24) = 0
[pid 26542] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26542] setpgid(0, 0)               = 0
[pid 26542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26542] write(3, "1000", 4)         = 4
[pid 26542] close(3)                    = 0
[pid 26542] write(1, "executing program\n", 18executing program
) = 18
[pid 26542] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26542] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26542] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26542] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26542] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26542] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26542] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26542] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26542] exit_group(0)               = ?
[pid 26542] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26542, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26543 attached
, child_tidptr=0x555555f76650) = 26543
[pid 26543] set_robust_list(0x555555f76660, 24) = 0
[pid 26543] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26543] setpgid(0, 0)               = 0
[pid 26543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26543] write(3, "1000", 4)         = 4
[pid 26543] close(3)                    = 0
executing program
[pid 26543] write(1, "executing program\n", 18) = 18
[pid 26543] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26543] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26543] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26543] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26543] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26543] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26543] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26543] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26543] exit_group(0)               = ?
[pid 26543] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26543, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26544 attached
, child_tidptr=0x555555f76650) = 26544
[pid 26544] set_robust_list(0x555555f76660, 24) = 0
[pid 26544] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26544] setpgid(0, 0)               = 0
[pid 26544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26544] write(3, "1000", 4)         = 4
[pid 26544] close(3)                    = 0
[pid 26544] write(1, "executing program\n", 18executing program
) = 18
[pid 26544] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26544] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26544] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26544] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26544] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26544] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26544] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26544] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26544] exit_group(0)               = ?
[pid 26544] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26544, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26545 attached
, child_tidptr=0x555555f76650) = 26545
[pid 26545] set_robust_list(0x555555f76660, 24) = 0
[pid 26545] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26545] setpgid(0, 0)               = 0
[pid 26545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26545] write(3, "1000", 4)         = 4
[pid 26545] close(3executing program
)                    = 0
[pid 26545] write(1, "executing program\n", 18) = 18
[pid 26545] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26545] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26545] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26545] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26545] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26545] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26545] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26545] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26545] exit_group(0)               = ?
[pid 26545] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26545, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26546 attached
, child_tidptr=0x555555f76650) = 26546
[pid 26546] set_robust_list(0x555555f76660, 24) = 0
[pid 26546] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26546] setpgid(0, 0)               = 0
[pid 26546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26546] write(3, "1000", 4)         = 4
[pid 26546] close(3executing program
)                    = 0
[pid 26546] write(1, "executing program\n", 18) = 18
[pid 26546] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26546] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26546] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26546] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26546] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26546] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26546] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26546] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26546] exit_group(0)               = ?
[pid 26546] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26546, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26547 attached
, child_tidptr=0x555555f76650) = 26547
[pid 26547] set_robust_list(0x555555f76660, 24) = 0
[pid 26547] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26547] setpgid(0, 0)               = 0
[pid 26547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26547] write(3, "1000", 4)         = 4
[pid 26547] close(3)                    = 0
[pid 26547] write(1, "executing program\n", 18executing program
) = 18
[pid 26547] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26547] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26547] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26547] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26547] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26547] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26547] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26547] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26547] exit_group(0)               = ?
[pid 26547] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26547, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26548
./strace-static-x86_64: Process 26548 attached
[pid 26548] set_robust_list(0x555555f76660, 24) = 0
[pid 26548] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26548] setpgid(0, 0)               = 0
[pid 26548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26548] write(3, "1000", 4)         = 4
[pid 26548] close(3)                    = 0
executing program
[pid 26548] write(1, "executing program\n", 18) = 18
[pid 26548] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26548] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26548] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26548] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26548] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26548] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26548] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26548] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26548] exit_group(0)               = ?
[pid 26548] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26548, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26549 attached
, child_tidptr=0x555555f76650) = 26549
[pid 26549] set_robust_list(0x555555f76660, 24) = 0
[pid 26549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26549] setpgid(0, 0)               = 0
[pid 26549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26549] write(3, "1000", 4)         = 4
[pid 26549] close(3executing program
)                    = 0
[pid 26549] write(1, "executing program\n", 18) = 18
[pid 26549] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26549] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26549] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26549] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26549] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26549] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26549] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26549] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26549] exit_group(0)               = ?
[pid 26549] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26549, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26550 attached
, child_tidptr=0x555555f76650) = 26550
[pid 26550] set_robust_list(0x555555f76660, 24) = 0
[pid 26550] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26550] setpgid(0, 0)               = 0
[pid 26550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26550] write(3, "1000", 4)         = 4
[pid 26550] close(3executing program
)                    = 0
[pid 26550] write(1, "executing program\n", 18) = 18
[pid 26550] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26550] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26550] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26550] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26550] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26550] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26550] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26550] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26550] exit_group(0)               = ?
[pid 26550] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26550, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26551
./strace-static-x86_64: Process 26551 attached
[pid 26551] set_robust_list(0x555555f76660, 24) = 0
[pid 26551] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26551] setpgid(0, 0)               = 0
[pid 26551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26551] write(3, "1000", 4)         = 4
[pid 26551] close(3executing program
)                    = 0
[pid 26551] write(1, "executing program\n", 18) = 18
[pid 26551] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26551] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26551] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26551] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26551] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26551] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26551] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26551] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26551] exit_group(0)               = ?
[pid 26551] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26551, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26552 attached
, child_tidptr=0x555555f76650) = 26552
[pid 26552] set_robust_list(0x555555f76660, 24) = 0
[pid 26552] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26552] setpgid(0, 0)               = 0
[pid 26552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26552] write(3, "1000", 4)         = 4
[pid 26552] close(3)                    = 0
[pid 26552] write(1, "executing program\n", 18) = 18
[pid 26552] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26552] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26552] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26552] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26552] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26552] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26552] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26552] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26552] exit_group(0)               = ?
[pid 26552] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26552, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26553 attached
, child_tidptr=0x555555f76650) = 26553
[pid 26553] set_robust_list(0x555555f76660, 24) = 0
[pid 26553] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26553] setpgid(0, 0)               = 0
[pid 26553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26553] write(3, "1000", 4)         = 4
[pid 26553] close(3)                    = 0
[pid 26553] write(1, "executing program\n", 18) = 18
[pid 26553] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26553] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26553] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26553] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26553] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26553] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26553] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26553] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26553] exit_group(0)               = ?
[pid 26553] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26553, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26554 attached
, child_tidptr=0x555555f76650) = 26554
[pid 26554] set_robust_list(0x555555f76660, 24) = 0
[pid 26554] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26554] setpgid(0, 0)               = 0
[pid 26554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26554] write(3, "1000", 4)         = 4
[pid 26554] close(3)                    = 0
[pid 26554] write(1, "executing program\n", 18executing program
) = 18
[pid 26554] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26554] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26554] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26554] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26554] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26554] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26554] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26554] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26554] exit_group(0)               = ?
[pid 26554] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26554, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26555 attached
, child_tidptr=0x555555f76650) = 26555
[pid 26555] set_robust_list(0x555555f76660, 24) = 0
[pid 26555] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26555] setpgid(0, 0)               = 0
[pid 26555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26555] write(3, "1000", 4)         = 4
[pid 26555] close(3)                    = 0
[pid 26555] write(1, "executing program\n", 18executing program
) = 18
[pid 26555] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26555] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26555] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26555] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26555] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26555] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26555] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26555] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26555] exit_group(0)               = ?
[pid 26555] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26555, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26556 attached
, child_tidptr=0x555555f76650) = 26556
[pid 26556] set_robust_list(0x555555f76660, 24) = 0
[pid 26556] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26556] setpgid(0, 0)               = 0
[pid 26556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26556] write(3, "1000", 4)         = 4
[pid 26556] close(3executing program
)                    = 0
[pid 26556] write(1, "executing program\n", 18) = 18
[pid 26556] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26556] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26556] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26556] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26556] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26556] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26556] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26556] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26556] exit_group(0)               = ?
[pid 26556] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26556, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26557
./strace-static-x86_64: Process 26557 attached
[pid 26557] set_robust_list(0x555555f76660, 24) = 0
[pid 26557] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26557] setpgid(0, 0)               = 0
[pid 26557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26557] write(3, "1000", 4)         = 4
[pid 26557] close(3)                    = 0
[pid 26557] write(1, "executing program\n", 18executing program
) = 18
[pid 26557] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26557] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26557] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26557] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26557] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26557] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26557] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26557] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26557] exit_group(0)               = ?
[pid 26557] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26557, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26558 attached
, child_tidptr=0x555555f76650) = 26558
[pid 26558] set_robust_list(0x555555f76660, 24) = 0
[pid 26558] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26558] setpgid(0, 0)               = 0
[pid 26558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26558] write(3, "1000", 4)         = 4
[pid 26558] close(3)                    = 0
[pid 26558] write(1, "executing program\n", 18) = 18
[pid 26558] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26558] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26558] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26558] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26558] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26558] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26558] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26558] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26558] exit_group(0)               = ?
[pid 26558] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26558, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26559 attached
, child_tidptr=0x555555f76650) = 26559
[pid 26559] set_robust_list(0x555555f76660, 24) = 0
[pid 26559] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26559] setpgid(0, 0)               = 0
[pid 26559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26559] write(3, "1000", 4)         = 4
[pid 26559] close(3)                    = 0
[pid 26559] write(1, "executing program\n", 18) = 18
[pid 26559] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26559] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26559] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26559] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26559] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26559] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26559] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26559] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26559] exit_group(0)               = ?
[pid 26559] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26559, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26560 attached
, child_tidptr=0x555555f76650) = 26560
[pid 26560] set_robust_list(0x555555f76660, 24) = 0
[pid 26560] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26560] setpgid(0, 0)               = 0
[pid 26560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26560] write(3, "1000", 4)         = 4
[pid 26560] close(3)                    = 0
[pid 26560] write(1, "executing program\n", 18executing program
) = 18
[pid 26560] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26560] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26560] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26560] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26560] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26560] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26560] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26560] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26560] exit_group(0)               = ?
[pid 26560] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26560, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26561 attached
, child_tidptr=0x555555f76650) = 26561
[pid 26561] set_robust_list(0x555555f76660, 24) = 0
[pid 26561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26561] setpgid(0, 0)               = 0
[pid 26561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26561] write(3, "1000", 4)         = 4
[pid 26561] close(3executing program
)                    = 0
[pid 26561] write(1, "executing program\n", 18) = 18
[pid 26561] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26561] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26561] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26561] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26561] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26561] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26561] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26561] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26561] exit_group(0)               = ?
[pid 26561] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26561, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26562 attached
, child_tidptr=0x555555f76650) = 26562
[pid 26562] set_robust_list(0x555555f76660, 24) = 0
[pid 26562] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26562] setpgid(0, 0)               = 0
[pid 26562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26562] write(3, "1000", 4)         = 4
[pid 26562] close(3)                    = 0
executing program
[pid 26562] write(1, "executing program\n", 18) = 18
[pid 26562] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26562] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26562] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26562] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26562] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26562] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26562] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26562] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26562] exit_group(0)               = ?
[pid 26562] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26562, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26563
./strace-static-x86_64: Process 26563 attached
[pid 26563] set_robust_list(0x555555f76660, 24) = 0
[pid 26563] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26563] setpgid(0, 0)               = 0
[pid 26563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
executing program
[pid 26563] write(3, "1000", 4)         = 4
[pid 26563] close(3)                    = 0
[pid 26563] write(1, "executing program\n", 18) = 18
[pid 26563] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26563] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26563] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26563] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26563] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26563] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26563] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26563] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26563] exit_group(0)               = ?
[pid 26563] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26563, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26564 attached
, child_tidptr=0x555555f76650) = 26564
[pid 26564] set_robust_list(0x555555f76660, 24) = 0
[pid 26564] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26564] setpgid(0, 0)               = 0
[pid 26564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26564] write(3, "1000", 4)         = 4
executing program
[pid 26564] close(3)                    = 0
[pid 26564] write(1, "executing program\n", 18) = 18
[pid 26564] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26564] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26564] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26564] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26564] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26564] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26564] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26564] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26564] exit_group(0)               = ?
[pid 26564] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26564, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26565 attached
, child_tidptr=0x555555f76650) = 26565
[pid 26565] set_robust_list(0x555555f76660, 24) = 0
[pid 26565] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26565] setpgid(0, 0)               = 0
[pid 26565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26565] write(3, "1000", 4)         = 4
[pid 26565] close(3)                    = 0
[pid 26565] write(1, "executing program\n", 18) = 18
[pid 26565] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26565] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26565] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26565] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26565] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26565] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26565] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26565] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26565] exit_group(0)               = ?
[pid 26565] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26565, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26566 attached
, child_tidptr=0x555555f76650) = 26566
[pid 26566] set_robust_list(0x555555f76660, 24) = 0
[pid 26566] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26566] setpgid(0, 0)               = 0
[pid 26566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26566] write(3, "1000", 4)         = 4
[pid 26566] close(3)                    = 0
[pid 26566] write(1, "executing program\n", 18) = 18
[pid 26566] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26566] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26566] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26566] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26566] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26566] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26566] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26566] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26566] exit_group(0)               = ?
[pid 26566] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26566, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26567 attached
, child_tidptr=0x555555f76650) = 26567
[pid 26567] set_robust_list(0x555555f76660, 24) = 0
[pid 26567] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26567] setpgid(0, 0)               = 0
[pid 26567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26567] write(3, "1000", 4)         = 4
[pid 26567] close(3)                    = 0
[pid 26567] write(1, "executing program\n", 18) = 18
[pid 26567] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26567] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26567] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26567] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26567] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26567] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26567] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26567] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26567] exit_group(0)               = ?
[pid 26567] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26567, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26568
./strace-static-x86_64: Process 26568 attached
[pid 26568] set_robust_list(0x555555f76660, 24) = 0
[pid 26568] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26568] setpgid(0, 0)               = 0
[pid 26568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26568] write(3, "1000", 4)         = 4
[pid 26568] close(3)                    = 0
[pid 26568] write(1, "executing program\n", 18executing program
) = 18
[pid 26568] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26568] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26568] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26568] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26568] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26568] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26568] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26568] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26568] exit_group(0)               = ?
[pid 26568] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26568, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26569
./strace-static-x86_64: Process 26569 attached
[pid 26569] set_robust_list(0x555555f76660, 24) = 0
[pid 26569] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26569] setpgid(0, 0)               = 0
[pid 26569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26569] write(3, "1000", 4)         = 4
[pid 26569] close(3executing program
)                    = 0
[pid 26569] write(1, "executing program\n", 18) = 18
[pid 26569] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26569] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26569] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26569] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26569] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26569] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26569] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26569] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26569] exit_group(0)               = ?
[pid 26569] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26569, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26570 attached
, child_tidptr=0x555555f76650) = 26570
[pid 26570] set_robust_list(0x555555f76660, 24) = 0
[pid 26570] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26570] setpgid(0, 0)               = 0
[pid 26570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26570] write(3, "1000", 4)         = 4
[pid 26570] close(3)                    = 0
[pid 26570] write(1, "executing program\n", 18executing program
) = 18
[pid 26570] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26570] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26570] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26570] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26570] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26570] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26570] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26570] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26570] exit_group(0)               = ?
[pid 26570] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26570, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26571 attached
, child_tidptr=0x555555f76650) = 26571
[pid 26571] set_robust_list(0x555555f76660, 24) = 0
[pid 26571] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26571] setpgid(0, 0)               = 0
[pid 26571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26571] write(3, "1000", 4)         = 4
[pid 26571] close(3)                    = 0
[pid 26571] write(1, "executing program\n", 18) = 18
[pid 26571] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26571] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26571] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26571] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26571] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26571] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26571] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26571] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26571] exit_group(0)               = ?
[pid 26571] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26571, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26572 attached
, child_tidptr=0x555555f76650) = 26572
[pid 26572] set_robust_list(0x555555f76660, 24) = 0
[pid 26572] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26572] setpgid(0, 0)               = 0
[pid 26572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26572] write(3, "1000", 4)         = 4
[pid 26572] close(3)                    = 0
[pid 26572] write(1, "executing program\n", 18executing program
) = 18
[pid 26572] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26572] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26572] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26572] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26572] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26572] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26572] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26572] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26572] exit_group(0)               = ?
[pid 26572] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26572, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26573 attached
, child_tidptr=0x555555f76650) = 26573
[pid 26573] set_robust_list(0x555555f76660, 24) = 0
[pid 26573] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26573] setpgid(0, 0)               = 0
[pid 26573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26573] write(3, "1000", 4)         = 4
[pid 26573] close(3)                    = 0
executing program
[pid 26573] write(1, "executing program\n", 18) = 18
[pid 26573] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26573] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26573] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26573] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26573] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26573] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26573] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26573] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26573] exit_group(0)               = ?
[pid 26573] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26573, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26574
./strace-static-x86_64: Process 26574 attached
[pid 26574] set_robust_list(0x555555f76660, 24) = 0
[pid 26574] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26574] setpgid(0, 0)               = 0
[pid 26574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26574] write(3, "1000", 4)         = 4
[pid 26574] close(3)                    = 0
executing program
[pid 26574] write(1, "executing program\n", 18) = 18
[pid 26574] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26574] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26574] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26574] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26574] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26574] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26574] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26574] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26574] exit_group(0)               = ?
[pid 26574] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26574, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26575 attached
, child_tidptr=0x555555f76650) = 26575
[pid 26575] set_robust_list(0x555555f76660, 24) = 0
[pid 26575] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26575] setpgid(0, 0)               = 0
[pid 26575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26575] write(3, "1000", 4)         = 4
[pid 26575] close(3executing program
)                    = 0
[pid 26575] write(1, "executing program\n", 18) = 18
[pid 26575] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26575] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26575] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26575] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26575] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26575] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26575] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26575] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26575] exit_group(0)               = ?
[pid 26575] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26575, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26577 attached
 <unfinished ...>
[pid 26577] set_robust_list(0x555555f76660, 24) = 0
[pid   357] <... clone resumed>, child_tidptr=0x555555f76650) = 26577
[pid 26577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26577] setpgid(0, 0)               = 0
[pid 26577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26577] write(3, "1000", 4)         = 4
[pid 26577] close(3)                    = 0
[pid 26577] write(1, "executing program\n", 18) = 18
executing program
[pid 26577] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26577] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26577] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26577] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26577] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26577] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26577] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26577] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26577] exit_group(0)               = ?
[pid 26577] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26577, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26578 attached
, child_tidptr=0x555555f76650) = 26578
[pid 26578] set_robust_list(0x555555f76660, 24) = 0
[pid 26578] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26578] setpgid(0, 0)               = 0
[pid 26578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26578] write(3, "1000", 4)         = 4
[pid 26578] close(3)                    = 0
[pid 26578] write(1, "executing program\n", 18executing program
) = 18
[pid 26578] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26578] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26578] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26578] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26578] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26578] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26578] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26578] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26578] exit_group(0)               = ?
[pid 26578] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26578, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26579 attached
, child_tidptr=0x555555f76650) = 26579
[pid 26579] set_robust_list(0x555555f76660, 24) = 0
[pid 26579] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26579] setpgid(0, 0)               = 0
[pid 26579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26579] write(3, "1000", 4)         = 4
executing program
[pid 26579] close(3)                    = 0
[pid 26579] write(1, "executing program\n", 18) = 18
[pid 26579] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26579] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26579] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26579] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26579] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26579] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26579] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26579] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26579] exit_group(0)               = ?
[pid 26579] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26579, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26580 attached
, child_tidptr=0x555555f76650) = 26580
[pid 26580] set_robust_list(0x555555f76660, 24) = 0
[pid 26580] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26580] setpgid(0, 0)               = 0
[pid 26580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26580] write(3, "1000", 4executing program
)         = 4
[pid 26580] close(3)                    = 0
[pid 26580] write(1, "executing program\n", 18) = 18
[pid 26580] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26580] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26580] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26580] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26580] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26580] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26580] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26580] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26580] exit_group(0)               = ?
[pid 26580] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26580, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26581 attached
, child_tidptr=0x555555f76650) = 26581
[pid 26581] set_robust_list(0x555555f76660, 24) = 0
[pid 26581] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26581] setpgid(0, 0)               = 0
[pid 26581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26581] write(3, "1000", 4)         = 4
[pid 26581] close(3)                    = 0
[pid 26581] write(1, "executing program\n", 18executing program
) = 18
[pid 26581] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26581] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26581] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26581] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26581] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26581] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26581] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26581] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26581] exit_group(0)               = ?
[pid 26581] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26581, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26582 attached
, child_tidptr=0x555555f76650) = 26582
[pid 26582] set_robust_list(0x555555f76660, 24) = 0
[pid 26582] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26582] setpgid(0, 0)               = 0
[pid 26582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26582] write(3, "1000", 4)         = 4
[pid 26582] close(3)                    = 0
[pid 26582] write(1, "executing program\n", 18executing program
) = 18
[pid 26582] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26582] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26582] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26582] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26582] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26582] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26582] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26582] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26582] exit_group(0)               = ?
[pid 26582] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26582, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26583 attached
, child_tidptr=0x555555f76650) = 26583
[pid 26583] set_robust_list(0x555555f76660, 24) = 0
[pid 26583] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26583] setpgid(0, 0)               = 0
[pid 26583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26583] write(3, "1000", 4)         = 4
[pid 26583] close(3)                    = 0
executing program
[pid 26583] write(1, "executing program\n", 18) = 18
[pid 26583] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26583] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26583] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26583] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26583] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26583] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26583] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26583] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26583] exit_group(0)               = ?
[pid 26583] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26583, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26584
./strace-static-x86_64: Process 26584 attached
[pid 26584] set_robust_list(0x555555f76660, 24) = 0
[pid 26584] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26584] setpgid(0, 0)               = 0
[pid 26584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26584] write(3, "1000", 4executing program
)         = 4
[pid 26584] close(3)                    = 0
[pid 26584] write(1, "executing program\n", 18) = 18
[pid 26584] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26584] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26584] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26584] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26584] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26584] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26584] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26584] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26584] exit_group(0)               = ?
[pid 26584] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26584, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26585 attached
, child_tidptr=0x555555f76650) = 26585
[pid 26585] set_robust_list(0x555555f76660, 24) = 0
[pid 26585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26585] setpgid(0, 0)               = 0
[pid 26585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26585] write(3, "1000", 4)         = 4
[pid 26585] close(3executing program
)                    = 0
[pid 26585] write(1, "executing program\n", 18) = 18
[pid 26585] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26585] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26585] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26585] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26585] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26585] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26585] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26585] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26585] exit_group(0)               = ?
[pid 26585] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26585, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26586 attached
, child_tidptr=0x555555f76650) = 26586
[pid 26586] set_robust_list(0x555555f76660, 24) = 0
[pid 26586] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26586] setpgid(0, 0)               = 0
[pid 26586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26586] write(3, "1000", 4)         = 4
[pid 26586] close(3executing program
)                    = 0
[pid 26586] write(1, "executing program\n", 18) = 18
[pid 26586] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26586] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26586] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26586] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26586] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26586] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26586] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26586] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26586] exit_group(0)               = ?
[pid 26586] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26586, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26587 attached
, child_tidptr=0x555555f76650) = 26587
[pid 26587] set_robust_list(0x555555f76660, 24) = 0
[pid 26587] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26587] setpgid(0, 0)               = 0
[pid 26587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26587] write(3, "1000", 4)         = 4
[pid 26587] close(3)                    = 0
[pid 26587] write(1, "executing program\n", 18executing program
) = 18
[pid 26587] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26587] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26587] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26587] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26587] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26587] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26587] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26587] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26587] exit_group(0)               = ?
[pid 26587] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26587, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26588
./strace-static-x86_64: Process 26588 attached
[pid 26588] set_robust_list(0x555555f76660, 24) = 0
[pid 26588] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26588] setpgid(0, 0)               = 0
[pid 26588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26588] write(3, "1000", 4)         = 4
[pid 26588] close(3)                    = 0
[pid 26588] write(1, "executing program\n", 18executing program
) = 18
[pid 26588] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26588] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26588] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26588] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26588] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26588] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26588] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26588] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26588] exit_group(0)               = ?
[pid 26588] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26588, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26589 attached
, child_tidptr=0x555555f76650) = 26589
[pid 26589] set_robust_list(0x555555f76660, 24) = 0
[pid 26589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26589] setpgid(0, 0)               = 0
[pid 26589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26589] write(3, "1000", 4)         = 4
[pid 26589] close(3)                    = 0
executing program
[pid 26589] write(1, "executing program\n", 18) = 18
[pid 26589] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26589] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26589] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26589] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26589] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26589] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26589] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26589] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26589] exit_group(0)               = ?
[pid 26589] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26589, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26590 attached
, child_tidptr=0x555555f76650) = 26590
[pid 26590] set_robust_list(0x555555f76660, 24) = 0
[pid 26590] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26590] setpgid(0, 0)               = 0
[pid 26590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26590] write(3, "1000", 4executing program
)         = 4
[pid 26590] close(3)                    = 0
[pid 26590] write(1, "executing program\n", 18) = 18
[pid 26590] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26590] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26590] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26590] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26590] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26590] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26590] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26590] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26590] exit_group(0)               = ?
[pid 26590] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26590, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26591 attached
, child_tidptr=0x555555f76650) = 26591
[pid 26591] set_robust_list(0x555555f76660, 24) = 0
[pid 26591] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26591] setpgid(0, 0)               = 0
[pid 26591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26591] write(3, "1000", 4)         = 4
[pid 26591] close(3)                    = 0
executing program
[pid 26591] write(1, "executing program\n", 18) = 18
[pid 26591] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26591] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26591] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26591] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26591] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26591] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26591] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26591] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26591] exit_group(0)               = ?
[pid 26591] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26591, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26592
./strace-static-x86_64: Process 26592 attached
[pid 26592] set_robust_list(0x555555f76660, 24) = 0
[pid 26592] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
executing program
[pid 26592] setpgid(0, 0)               = 0
[pid 26592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26592] write(3, "1000", 4)         = 4
[pid 26592] close(3)                    = 0
[pid 26592] write(1, "executing program\n", 18) = 18
[pid 26592] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26592] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26592] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26592] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26592] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26592] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26592] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26592] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26592] exit_group(0)               = ?
[pid 26592] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26592, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26593 attached
, child_tidptr=0x555555f76650) = 26593
[pid 26593] set_robust_list(0x555555f76660, 24) = 0
[pid 26593] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26593] setpgid(0, 0)               = 0
[pid 26593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26593] write(3, "1000", 4)         = 4
[pid 26593] close(3)                    = 0
[pid 26593] write(1, "executing program\n", 18executing program
) = 18
[pid 26593] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26593] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26593] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26593] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26593] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26593] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26593] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26593] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26593] exit_group(0)               = ?
[pid 26593] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26593, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26594 attached
, child_tidptr=0x555555f76650) = 26594
[pid 26594] set_robust_list(0x555555f76660, 24) = 0
[pid 26594] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26594] setpgid(0, 0)               = 0
[pid 26594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26594] write(3, "1000", 4)         = 4
[pid 26594] close(3)                    = 0
[pid 26594] write(1, "executing program\n", 18) = 18
[pid 26594] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26594] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26594] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26594] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26594] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26594] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26594] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26594] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26594] exit_group(0)               = ?
[pid 26594] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26594, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26595 attached
, child_tidptr=0x555555f76650) = 26595
[pid 26595] set_robust_list(0x555555f76660, 24) = 0
[pid 26595] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26595] setpgid(0, 0)               = 0
[pid 26595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26595] write(3, "1000", 4)         = 4
[pid 26595] close(3)                    = 0
executing program
[pid 26595] write(1, "executing program\n", 18) = 18
[pid 26595] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26595] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26595] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26595] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26595] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26595] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26595] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26595] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26595] exit_group(0)               = ?
[pid 26595] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26595, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26596 attached
, child_tidptr=0x555555f76650) = 26596
[pid 26596] set_robust_list(0x555555f76660, 24) = 0
[pid 26596] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26596] setpgid(0, 0)               = 0
[pid 26596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26596] write(3, "1000", 4)         = 4
[pid 26596] close(3)                    = 0
[pid 26596] write(1, "executing program\n", 18executing program
) = 18
[pid 26596] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26596] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26596] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26596] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26596] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26596] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26596] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26596] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26596] exit_group(0)               = ?
[pid 26596] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26596, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26597 attached
, child_tidptr=0x555555f76650) = 26597
[pid 26597] set_robust_list(0x555555f76660, 24) = 0
[pid 26597] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26597] setpgid(0, 0)               = 0
[pid 26597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26597] write(3, "1000", 4)         = 4
[pid 26597] close(3)                    = 0
[pid 26597] write(1, "executing program\n", 18executing program
) = 18
[pid 26597] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26597] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26597] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26597] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26597] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26597] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26597] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26597] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26597] exit_group(0)               = ?
[pid 26597] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26597, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26598 attached
, child_tidptr=0x555555f76650) = 26598
[pid 26598] set_robust_list(0x555555f76660, 24) = 0
[pid 26598] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26598] setpgid(0, 0)               = 0
[pid 26598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26598] write(3, "1000", 4)         = 4
[pid 26598] close(3)                    = 0
[pid 26598] write(1, "executing program\n", 18) = 18
[pid 26598] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26598] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26598] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26598] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26598] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26598] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26598] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26598] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26598] exit_group(0)               = ?
[pid 26598] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26598, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26599
./strace-static-x86_64: Process 26599 attached
[pid 26599] set_robust_list(0x555555f76660, 24) = 0
[pid 26599] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26599] setpgid(0, 0)               = 0
[pid 26599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26599] write(3, "1000", 4)         = 4
[pid 26599] close(3)                    = 0
[pid 26599] write(1, "executing program\n", 18executing program
) = 18
[pid 26599] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26599] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26599] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26599] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26599] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26599] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26599] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26599] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26599] exit_group(0)               = ?
[pid 26599] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26599, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26600
./strace-static-x86_64: Process 26600 attached
[pid 26600] set_robust_list(0x555555f76660, 24) = 0
[pid 26600] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26600] setpgid(0, 0)               = 0
[pid 26600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26600] write(3, "1000", 4)         = 4
[pid 26600] close(3)                    = 0
[pid 26600] write(1, "executing program\n", 18executing program
) = 18
[pid 26600] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26600] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26600] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26600] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26600] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26600] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26600] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26600] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26600] exit_group(0)               = ?
[pid 26600] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26600, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26601 attached
, child_tidptr=0x555555f76650) = 26601
[pid 26601] set_robust_list(0x555555f76660, 24) = 0
[pid 26601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26601] setpgid(0, 0)               = 0
[pid 26601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26601] write(3, "1000", 4)         = 4
[pid 26601] close(3)                    = 0
executing program
[pid 26601] write(1, "executing program\n", 18) = 18
[pid 26601] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26601] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26601] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26601] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26601] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26601] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26601] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26601] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26601] exit_group(0)               = ?
[pid 26601] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26601, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26602
./strace-static-x86_64: Process 26602 attached
[pid 26602] set_robust_list(0x555555f76660, 24) = 0
[pid 26602] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26602] setpgid(0, 0)               = 0
[pid 26602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26602] write(3, "1000", 4)         = 4
[pid 26602] close(3)                    = 0
executing program
[pid 26602] write(1, "executing program\n", 18) = 18
[pid 26602] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26602] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26602] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26602] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26602] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26602] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26602] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26602] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26602] exit_group(0)               = ?
[pid 26602] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26602, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26603 attached
, child_tidptr=0x555555f76650) = 26603
[pid 26603] set_robust_list(0x555555f76660, 24) = 0
[pid 26603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26603] setpgid(0, 0)               = 0
[pid 26603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26603] write(3, "1000", 4)         = 4
[pid 26603] close(3)                    = 0
[pid 26603] write(1, "executing program\n", 18executing program
) = 18
[pid 26603] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26603] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26603] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26603] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26603] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26603] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26603] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26603] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26603] exit_group(0)               = ?
[pid 26603] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26603, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26604 attached
, child_tidptr=0x555555f76650) = 26604
[pid 26604] set_robust_list(0x555555f76660, 24) = 0
[pid 26604] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26604] setpgid(0, 0)               = 0
[pid 26604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26604] write(3, "1000", 4)         = 4
executing program
[pid 26604] close(3)                    = 0
[pid 26604] write(1, "executing program\n", 18) = 18
[pid 26604] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26604] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26604] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26604] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26604] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26604] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26604] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26604] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26604] exit_group(0)               = ?
[pid 26604] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26604, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26605
./strace-static-x86_64: Process 26605 attached
[pid 26605] set_robust_list(0x555555f76660, 24) = 0
[pid 26605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26605] setpgid(0, 0)               = 0
[pid 26605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26605] write(3, "1000", 4)         = 4
[pid 26605] close(3)                    = 0
executing program
[pid 26605] write(1, "executing program\n", 18) = 18
[pid 26605] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26605] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26605] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26605] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26605] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26605] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26605] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26605] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26605] exit_group(0)               = ?
[pid 26605] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26605, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26606 attached
, child_tidptr=0x555555f76650) = 26606
[pid 26606] set_robust_list(0x555555f76660, 24) = 0
[pid 26606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26606] setpgid(0, 0)               = 0
[pid 26606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26606] write(3, "1000", 4)         = 4
[pid 26606] close(3)                    = 0
[pid 26606] write(1, "executing program\n", 18executing program
) = 18
[pid 26606] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26606] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26606] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26606] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26606] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26606] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26606] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26606] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26606] exit_group(0)               = ?
[pid 26606] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26606, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26607 attached
, child_tidptr=0x555555f76650) = 26607
[pid 26607] set_robust_list(0x555555f76660, 24) = 0
[pid 26607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26607] setpgid(0, 0)               = 0
[pid 26607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26607] write(3, "1000", 4)         = 4
[pid 26607] close(3)                    = 0
executing program
[pid 26607] write(1, "executing program\n", 18) = 18
[pid 26607] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26607] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26607] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26607] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26607] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26607] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26607] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26607] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26607] exit_group(0)               = ?
[pid 26607] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26607, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26608
./strace-static-x86_64: Process 26608 attached
[pid 26608] set_robust_list(0x555555f76660, 24) = 0
[pid 26608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26608] setpgid(0, 0)               = 0
[pid 26608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26608] write(3, "1000", 4)         = 4
[pid 26608] close(3)                    = 0
executing program
[pid 26608] write(1, "executing program\n", 18) = 18
[pid 26608] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26608] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26608] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26608] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26608] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26608] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26608] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26608] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26608] exit_group(0)               = ?
[pid 26608] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26608, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26609 attached
, child_tidptr=0x555555f76650) = 26609
[pid 26609] set_robust_list(0x555555f76660, 24) = 0
[pid 26609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26609] setpgid(0, 0)               = 0
[pid 26609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26609] write(3, "1000", 4)         = 4
[pid 26609] close(3executing program
)                    = 0
[pid 26609] write(1, "executing program\n", 18) = 18
[pid 26609] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26609] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26609] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26609] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26609] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26609] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26609] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26609] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26609] exit_group(0)               = ?
[pid 26609] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26609, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26610
./strace-static-x86_64: Process 26610 attached
[pid 26610] set_robust_list(0x555555f76660, 24) = 0
[pid 26610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26610] setpgid(0, 0)               = 0
[pid 26610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26610] write(3, "1000", 4)         = 4
[pid 26610] close(3)                    = 0
executing program
[pid 26610] write(1, "executing program\n", 18) = 18
[pid 26610] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26610] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26610] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26610] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26610] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26610] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26610] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26610] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26610] exit_group(0)               = ?
[pid 26610] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26610, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26611 attached
, child_tidptr=0x555555f76650) = 26611
[pid 26611] set_robust_list(0x555555f76660, 24) = 0
[pid 26611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26611] setpgid(0, 0)               = 0
[pid 26611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26611] write(3, "1000", 4)         = 4
[pid 26611] close(3)                    = 0
executing program
[pid 26611] write(1, "executing program\n", 18) = 18
[pid 26611] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26611] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26611] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26611] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26611] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26611] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26611] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26611] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26611] exit_group(0)               = ?
[pid 26611] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26611, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26612 attached
, child_tidptr=0x555555f76650) = 26612
[pid 26612] set_robust_list(0x555555f76660, 24) = 0
[pid 26612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26612] setpgid(0, 0)               = 0
[pid 26612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26612] write(3, "1000", 4)         = 4
[pid 26612] close(3)                    = 0
[pid 26612] write(1, "executing program\n", 18executing program
) = 18
[pid 26612] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26612] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26612] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26612] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26612] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26612] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26612] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26612] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26612] exit_group(0)               = ?
[pid 26612] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26612, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26613
./strace-static-x86_64: Process 26613 attached
[pid 26613] set_robust_list(0x555555f76660, 24) = 0
[pid 26613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26613] setpgid(0, 0)               = 0
[pid 26613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26613] write(3, "1000", 4)         = 4
executing program
[pid 26613] close(3)                    = 0
[pid 26613] write(1, "executing program\n", 18) = 18
[pid 26613] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26613] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26613] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26613] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26613] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26613] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26613] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26613] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26613] exit_group(0)               = ?
[pid 26613] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26613, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26614 attached
, child_tidptr=0x555555f76650) = 26614
[pid 26614] set_robust_list(0x555555f76660, 24) = 0
[pid 26614] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26614] setpgid(0, 0)               = 0
[pid 26614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26614] write(3, "1000", 4executing program
)         = 4
[pid 26614] close(3)                    = 0
[pid 26614] write(1, "executing program\n", 18) = 18
[pid 26614] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26614] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26614] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26614] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26614] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26614] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26614] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26614] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26614] exit_group(0)               = ?
[pid 26614] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26614, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26615 attached
, child_tidptr=0x555555f76650) = 26615
[pid 26615] set_robust_list(0x555555f76660, 24) = 0
[pid 26615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26615] setpgid(0, 0)               = 0
[pid 26615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26615] write(3, "1000", 4)         = 4
[pid 26615] close(3executing program
)                    = 0
[pid 26615] write(1, "executing program\n", 18) = 18
[pid 26615] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26615] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26615] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26615] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26615] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26615] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26615] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26615] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26615] exit_group(0)               = ?
[pid 26615] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26615, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26616
./strace-static-x86_64: Process 26616 attached
[pid 26616] set_robust_list(0x555555f76660, 24) = 0
[pid 26616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26616] setpgid(0, 0)               = 0
[pid 26616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26616] write(3, "1000", 4)         = 4
[pid 26616] close(3executing program
)                    = 0
[pid 26616] write(1, "executing program\n", 18) = 18
[pid 26616] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26616] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26616] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26616] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26616] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26616] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26616] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26616] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26616] exit_group(0)               = ?
[pid 26616] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26616, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26617 attached
, child_tidptr=0x555555f76650) = 26617
[pid 26617] set_robust_list(0x555555f76660, 24) = 0
[pid 26617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26617] setpgid(0, 0)               = 0
[pid 26617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26617] write(3, "1000", 4)         = 4
[pid 26617] close(3)                    = 0
[pid 26617] write(1, "executing program\n", 18executing program
) = 18
[pid 26617] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26617] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26617] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26617] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26617] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26617] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26617] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26617] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26617] exit_group(0)               = ?
[pid 26617] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26617, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26618
./strace-static-x86_64: Process 26618 attached
[pid 26618] set_robust_list(0x555555f76660, 24) = 0
[pid 26618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26618] setpgid(0, 0)               = 0
[pid 26618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26618] write(3, "1000", 4)         = 4
[pid 26618] close(3)                    = 0
executing program
[pid 26618] write(1, "executing program\n", 18) = 18
[pid 26618] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26618] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26618] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26618] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26618] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26618] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26618] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26618] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26618] exit_group(0)               = ?
[pid 26618] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26618, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26619 attached
, child_tidptr=0x555555f76650) = 26619
[pid 26619] set_robust_list(0x555555f76660, 24) = 0
[pid 26619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26619] setpgid(0, 0)               = 0
[pid 26619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26619] write(3, "1000", 4)         = 4
[pid 26619] close(3)                    = 0
executing program
[pid 26619] write(1, "executing program\n", 18) = 18
[pid 26619] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26619] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26619] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26619] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26619] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26619] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26619] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26619] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26619] exit_group(0)               = ?
[pid 26619] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26619, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26620 attached
, child_tidptr=0x555555f76650) = 26620
[pid 26620] set_robust_list(0x555555f76660, 24) = 0
[pid 26620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26620] setpgid(0, 0)               = 0
[pid 26620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26620] write(3, "1000", 4executing program
)         = 4
[pid 26620] close(3)                    = 0
[pid 26620] write(1, "executing program\n", 18) = 18
[pid 26620] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26620] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26620] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26620] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26620] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26620] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26620] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26620] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26620] exit_group(0)               = ?
[pid 26620] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26620, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26621 attached
, child_tidptr=0x555555f76650) = 26621
[pid 26621] set_robust_list(0x555555f76660, 24) = 0
[pid 26621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26621] setpgid(0, 0)               = 0
[pid 26621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26621] write(3, "1000", 4)         = 4
[pid 26621] close(3)                    = 0
[pid 26621] write(1, "executing program\n", 18) = 18
[pid 26621] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26621] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26621] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26621] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26621] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26621] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26621] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26621] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26621] exit_group(0)               = ?
[pid 26621] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26621, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26622 attached
, child_tidptr=0x555555f76650) = 26622
[pid 26622] set_robust_list(0x555555f76660, 24) = 0
[pid 26622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26622] setpgid(0, 0)               = 0
[pid 26622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26622] write(3, "1000", 4)         = 4
[pid 26622] close(3)                    = 0
[pid 26622] write(1, "executing program\n", 18executing program
) = 18
[pid 26622] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26622] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26622] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26622] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26622] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26622] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26622] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26622] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26622] exit_group(0)               = ?
[pid 26622] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26622, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26623 attached
, child_tidptr=0x555555f76650) = 26623
[pid 26623] set_robust_list(0x555555f76660, 24) = 0
[pid 26623] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26623] setpgid(0, 0)               = 0
[pid 26623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26623] write(3, "1000", 4)         = 4
[pid 26623] close(3)                    = 0
[pid 26623] write(1, "executing program\n", 18executing program
) = 18
[pid 26623] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26623] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26623] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26623] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26623] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26623] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26623] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26623] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26623] exit_group(0)               = ?
[pid 26623] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26623, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26624
./strace-static-x86_64: Process 26624 attached
[pid 26624] set_robust_list(0x555555f76660, 24) = 0
[pid 26624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26624] setpgid(0, 0)               = 0
[pid 26624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26624] write(3, "1000", 4)         = 4
[pid 26624] close(3executing program
)                    = 0
[pid 26624] write(1, "executing program\n", 18) = 18
[pid 26624] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26624] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26624] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26624] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26624] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26624] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26624] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26624] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26624] exit_group(0)               = ?
[pid 26624] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26624, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26625 attached
, child_tidptr=0x555555f76650) = 26625
[pid 26625] set_robust_list(0x555555f76660, 24) = 0
[pid 26625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26625] setpgid(0, 0)               = 0
[pid 26625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26625] write(3, "1000", 4)         = 4
[pid 26625] close(3)                    = 0
[pid 26625] write(1, "executing program\n", 18executing program
) = 18
[pid 26625] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26625] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26625] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26625] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26625] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26625] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26625] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26625] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26625] exit_group(0)               = ?
[pid 26625] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26625, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26626 attached
, child_tidptr=0x555555f76650) = 26626
[pid 26626] set_robust_list(0x555555f76660, 24) = 0
[pid 26626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26626] setpgid(0, 0)               = 0
[pid 26626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26626] write(3, "1000", 4)         = 4
[pid 26626] close(3)                    = 0
[pid 26626] write(1, "executing program\n", 18executing program
) = 18
[pid 26626] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26626] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26626] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26626] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26626] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26626] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26626] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26626] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26626] exit_group(0)               = ?
[pid 26626] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26626, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26627
./strace-static-x86_64: Process 26627 attached
[pid 26627] set_robust_list(0x555555f76660, 24) = 0
[pid 26627] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26627] setpgid(0, 0)               = 0
[pid 26627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26627] write(3, "1000", 4)         = 4
[pid 26627] close(3)                    = 0
executing program
[pid 26627] write(1, "executing program\n", 18) = 18
[pid 26627] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26627] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26627] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26627] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26627] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26627] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26627] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26627] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26627] exit_group(0)               = ?
[pid 26627] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26627, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26628 attached
, child_tidptr=0x555555f76650) = 26628
[pid 26628] set_robust_list(0x555555f76660, 24) = 0
[pid 26628] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26628] setpgid(0, 0)               = 0
[pid 26628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26628] write(3, "1000", 4)         = 4
[pid 26628] close(3)                    = 0
[pid 26628] write(1, "executing program\n", 18executing program
) = 18
[pid 26628] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26628] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26628] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26628] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26628] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26628] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26628] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26628] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26628] exit_group(0)               = ?
[pid 26628] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26628, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26629
./strace-static-x86_64: Process 26629 attached
[pid 26629] set_robust_list(0x555555f76660, 24) = 0
[pid 26629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26629] setpgid(0, 0)               = 0
[pid 26629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26629] write(3, "1000", 4executing program
)         = 4
[pid 26629] close(3)                    = 0
[pid 26629] write(1, "executing program\n", 18) = 18
[pid 26629] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26629] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26629] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26629] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26629] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26629] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26629] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26629] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26629] exit_group(0)               = ?
[pid 26629] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26629, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26630 attached
, child_tidptr=0x555555f76650) = 26630
[pid 26630] set_robust_list(0x555555f76660, 24) = 0
[pid 26630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26630] setpgid(0, 0)               = 0
[pid 26630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26630] write(3, "1000", 4)         = 4
[pid 26630] close(3)                    = 0
executing program
[pid 26630] write(1, "executing program\n", 18) = 18
[pid 26630] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26630] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26630] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26630] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26630] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26630] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26630] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26630] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26630] exit_group(0)               = ?
[pid 26630] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26630, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26631
./strace-static-x86_64: Process 26631 attached
[pid 26631] set_robust_list(0x555555f76660, 24) = 0
[pid 26631] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26631] setpgid(0, 0)               = 0
[pid 26631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26631] write(3, "1000", 4)         = 4
[pid 26631] close(3executing program
)                    = 0
[pid 26631] write(1, "executing program\n", 18) = 18
[pid 26631] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26631] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26631] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26631] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26631] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26631] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26631] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26631] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26631] exit_group(0)               = ?
[pid 26631] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26631, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26632
./strace-static-x86_64: Process 26632 attached
[pid 26632] set_robust_list(0x555555f76660, 24) = 0
[pid 26632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26632] setpgid(0, 0)               = 0
[pid 26632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26632] write(3, "1000", 4executing program
)         = 4
[pid 26632] close(3)                    = 0
[pid 26632] write(1, "executing program\n", 18) = 18
[pid 26632] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26632] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26632] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26632] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26632] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26632] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26632] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26632] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26632] exit_group(0)               = ?
[pid 26632] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26632, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26633 attached
, child_tidptr=0x555555f76650) = 26633
[pid 26633] set_robust_list(0x555555f76660, 24) = 0
[pid 26633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26633] setpgid(0, 0)               = 0
[pid 26633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26633] write(3, "1000", 4)         = 4
[pid 26633] close(3)                    = 0
[pid 26633] write(1, "executing program\n", 18) = 18
[pid 26633] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26633] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26633] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26633] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26633] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26633] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26633] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26633] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26633] exit_group(0)               = ?
[pid 26633] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26633, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26634 attached
, child_tidptr=0x555555f76650) = 26634
[pid 26634] set_robust_list(0x555555f76660, 24) = 0
[pid 26634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26634] setpgid(0, 0)               = 0
[pid 26634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26634] write(3, "1000", 4)         = 4
[pid 26634] close(3)                    = 0
executing program
[pid 26634] write(1, "executing program\n", 18) = 18
[pid 26634] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26634] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26634] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26634] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26634] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26634] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26634] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26634] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26634] exit_group(0)               = ?
[pid 26634] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26634, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26635 attached
, child_tidptr=0x555555f76650) = 26635
[pid 26635] set_robust_list(0x555555f76660, 24) = 0
[pid 26635] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26635] setpgid(0, 0)               = 0
[pid 26635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26635] write(3, "1000", 4)         = 4
[pid 26635] close(3executing program
)                    = 0
[pid 26635] write(1, "executing program\n", 18) = 18
[pid 26635] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26635] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26635] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26635] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26635] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26635] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26635] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26635] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26635] exit_group(0)               = ?
[pid 26635] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26635, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26636 attached
, child_tidptr=0x555555f76650) = 26636
[pid 26636] set_robust_list(0x555555f76660, 24) = 0
[pid 26636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26636] setpgid(0, 0)               = 0
[pid 26636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26636] write(3, "1000", 4)         = 4
[pid 26636] close(3executing program
)                    = 0
[pid 26636] write(1, "executing program\n", 18) = 18
[pid 26636] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26636] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26636] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26636] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26636] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26636] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26636] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26636] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26636] exit_group(0)               = ?
[pid 26636] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26636, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26637 attached
, child_tidptr=0x555555f76650) = 26637
[pid 26637] set_robust_list(0x555555f76660, 24) = 0
[pid 26637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26637] setpgid(0, 0)               = 0
[pid 26637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26637] write(3, "1000", 4)         = 4
[pid 26637] close(3)                    = 0
[pid 26637] write(1, "executing program\n", 18executing program
) = 18
[pid 26637] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26637] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26637] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26637] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26637] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26637] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26637] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26637] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26637] exit_group(0)               = ?
[pid 26637] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26637, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26638 attached
, child_tidptr=0x555555f76650) = 26638
[pid 26638] set_robust_list(0x555555f76660, 24) = 0
[pid 26638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26638] setpgid(0, 0)               = 0
[pid 26638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26638] write(3, "1000", 4)         = 4
[pid 26638] close(3)                    = 0
executing program
[pid 26638] write(1, "executing program\n", 18) = 18
[pid 26638] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26638] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26638] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26638] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26638] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26638] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26638] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26638] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26638] exit_group(0)               = ?
[pid 26638] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26638, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
./strace-static-x86_64: Process 26639 attached
, child_tidptr=0x555555f76650) = 26639
[pid 26639] set_robust_list(0x555555f76660, 24) = 0
[pid 26639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26639] setpgid(0, 0)               = 0
[pid 26639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26639] write(3, "1000", 4)         = 4
[pid 26639] close(3)                    = 0
[pid 26639] write(1, "executing program\n", 18) = 18
[pid 26639] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26639] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26639] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26639] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26639] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26639] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26639] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26639] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26639] exit_group(0)               = ?
[pid 26639] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26639, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26640
./strace-static-x86_64: Process 26640 attached
[pid 26640] set_robust_list(0x555555f76660, 24) = 0
[pid 26640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26640] setpgid(0, 0)               = 0
[pid 26640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26640] write(3, "1000", 4)         = 4
[pid 26640] close(3)                    = 0
[pid 26640] write(1, "executing program\n", 18executing program
) = 18
[pid 26640] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26640] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26640] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26640] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26640] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26640] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26640] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26640] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26640] exit_group(0)               = ?
[pid 26640] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26640, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26641
./strace-static-x86_64: Process 26641 attached
[pid 26641] set_robust_list(0x555555f76660, 24) = 0
[pid 26641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26641] setpgid(0, 0)               = 0
[pid 26641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26641] write(3, "1000", 4)         = 4
[pid 26641] close(3)                    = 0
[pid 26641] write(1, "executing program\n", 18executing program
) = 18
[pid 26641] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26641] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26641] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26641] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26641] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26641] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26641] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26641] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26641] exit_group(0)               = ?
[pid 26641] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26641, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26642 attached
, child_tidptr=0x555555f76650) = 26642
[pid 26642] set_robust_list(0x555555f76660, 24) = 0
[pid 26642] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26642] setpgid(0, 0)               = 0
[pid 26642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26642] write(3, "1000", 4)         = 4
[pid 26642] close(3)                    = 0
executing program
[pid 26642] write(1, "executing program\n", 18) = 18
[pid 26642] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26642] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26642] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26642] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26642] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26642] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26642] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26642] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26642] exit_group(0)               = ?
[pid 26642] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26642, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26643 attached
, child_tidptr=0x555555f76650) = 26643
[pid 26643] set_robust_list(0x555555f76660, 24) = 0
[pid 26643] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26643] setpgid(0, 0)               = 0
[pid 26643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26643] write(3, "1000", 4)         = 4
[pid 26643] close(3)                    = 0
[pid 26643] write(1, "executing program\n", 18executing program
) = 18
[pid 26643] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26643] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26643] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26643] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26643] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26643] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26643] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26643] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26643] exit_group(0)               = ?
[pid 26643] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26643, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26644 attached
, child_tidptr=0x555555f76650) = 26644
[pid 26644] set_robust_list(0x555555f76660, 24) = 0
[pid 26644] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26644] setpgid(0, 0)               = 0
[pid 26644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26644] write(3, "1000", 4)         = 4
[pid 26644] close(3)                    = 0
executing program
[pid 26644] write(1, "executing program\n", 18) = 18
[pid 26644] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26644] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26644] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26644] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26644] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26644] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26644] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26644] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26644] exit_group(0)               = ?
[pid 26644] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26644, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26645 attached
, child_tidptr=0x555555f76650) = 26645
[pid 26645] set_robust_list(0x555555f76660, 24) = 0
[pid 26645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26645] setpgid(0, 0)               = 0
[pid 26645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26645] write(3, "1000", 4)         = 4
[pid 26645] close(3)                    = 0
executing program
[pid 26645] write(1, "executing program\n", 18) = 18
[pid 26645] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26645] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26645] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26645] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26645] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26645] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26645] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26645] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26645] exit_group(0)               = ?
[pid 26645] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26645, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26646
./strace-static-x86_64: Process 26646 attached
[pid 26646] set_robust_list(0x555555f76660, 24) = 0
[pid 26646] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26646] setpgid(0, 0)               = 0
[pid 26646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26646] write(3, "1000", 4)         = 4
[pid 26646] close(3executing program
)                    = 0
[pid 26646] write(1, "executing program\n", 18) = 18
[pid 26646] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26646] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26646] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26646] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26646] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26646] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26646] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26646] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26646] exit_group(0)               = ?
[pid 26646] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26646, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26647 attached
, child_tidptr=0x555555f76650) = 26647
[pid 26647] set_robust_list(0x555555f76660, 24) = 0
[pid 26647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26647] setpgid(0, 0)               = 0
[pid 26647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26647] write(3, "1000", 4)         = 4
executing program
[pid 26647] close(3)                    = 0
[pid 26647] write(1, "executing program\n", 18) = 18
[pid 26647] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26647] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26647] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26647] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26647] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26647] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26647] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26647] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26647] exit_group(0)               = ?
[pid 26647] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26647, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26648 attached
, child_tidptr=0x555555f76650) = 26648
[pid 26648] set_robust_list(0x555555f76660, 24) = 0
[pid 26648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26648] setpgid(0, 0)               = 0
[pid 26648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26648] write(3, "1000", 4)         = 4
[pid 26648] close(3executing program
)                    = 0
[pid 26648] write(1, "executing program\n", 18) = 18
[pid 26648] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26648] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26648] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26648] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26648] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26648] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26648] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26648] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26648] exit_group(0)               = ?
[pid 26648] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26648, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26649
./strace-static-x86_64: Process 26649 attached
[pid 26649] set_robust_list(0x555555f76660, 24) = 0
[pid 26649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26649] setpgid(0, 0)               = 0
[pid 26649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26649] write(3, "1000", 4)         = 4
[pid 26649] close(3)                    = 0
[pid 26649] write(1, "executing program\n", 18executing program
) = 18
[pid 26649] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26649] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26649] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26649] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26649] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26649] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26649] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26649] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26649] exit_group(0)               = ?
[pid 26649] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26649, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26650 attached
, child_tidptr=0x555555f76650) = 26650
[pid 26650] set_robust_list(0x555555f76660, 24) = 0
[pid 26650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26650] setpgid(0, 0)               = 0
[pid 26650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26650] write(3, "1000", 4)         = 4
[pid 26650] close(3)                    = 0
executing program
[pid 26650] write(1, "executing program\n", 18) = 18
[pid 26650] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26650] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26650] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26650] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26650] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26650] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26650] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26650] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26650] exit_group(0)               = ?
[pid 26650] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26650, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26651 attached
, child_tidptr=0x555555f76650) = 26651
[pid 26651] set_robust_list(0x555555f76660, 24) = 0
[pid 26651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26651] setpgid(0, 0)               = 0
[pid 26651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26651] write(3, "1000", 4)         = 4
[pid 26651] close(3)                    = 0
executing program
[pid 26651] write(1, "executing program\n", 18) = 18
[pid 26651] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26651] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26651] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26651] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26651] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26651] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26651] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26651] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26651] exit_group(0)               = ?
[pid 26651] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26651, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26652
./strace-static-x86_64: Process 26652 attached
[pid 26652] set_robust_list(0x555555f76660, 24) = 0
[pid 26652] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26652] setpgid(0, 0)               = 0
[pid 26652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26652] write(3, "1000", 4executing program
)         = 4
[pid 26652] close(3)                    = 0
[pid 26652] write(1, "executing program\n", 18) = 18
[pid 26652] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26652] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26652] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26652] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26652] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26652] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26652] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26652] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26652] exit_group(0)               = ?
[pid 26652] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26652, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26653 attached
, child_tidptr=0x555555f76650) = 26653
[pid 26653] set_robust_list(0x555555f76660, 24) = 0
[pid 26653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26653] setpgid(0, 0)               = 0
[pid 26653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26653] write(3, "1000", 4)         = 4
[pid 26653] close(3)                    = 0
[pid 26653] write(1, "executing program\n", 18executing program
) = 18
[pid 26653] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26653] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26653] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26653] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26653] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26653] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26653] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26653] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26653] exit_group(0)               = ?
[pid 26653] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26653, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26654 attached
, child_tidptr=0x555555f76650) = 26654
[pid 26654] set_robust_list(0x555555f76660, 24) = 0
[pid 26654] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26654] setpgid(0, 0)               = 0
[pid 26654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26654] write(3, "1000", 4)         = 4
[pid 26654] close(3executing program
)                    = 0
[pid 26654] write(1, "executing program\n", 18) = 18
[pid 26654] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26654] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26654] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26654] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26654] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26654] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26654] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26654] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26654] exit_group(0)               = ?
[pid 26654] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26654, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26655 attached
, child_tidptr=0x555555f76650) = 26655
[pid 26655] set_robust_list(0x555555f76660, 24) = 0
[pid 26655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26655] setpgid(0, 0)               = 0
[pid 26655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26655] write(3, "1000", 4)         = 4
[pid 26655] close(3)                    = 0
[pid 26655] write(1, "executing program\n", 18) = 18
[pid 26655] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26655] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26655] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26655] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26655] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26655] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26655] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26655] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26655] exit_group(0)               = ?
[pid 26655] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26655, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26656 attached
, child_tidptr=0x555555f76650) = 26656
[pid 26656] set_robust_list(0x555555f76660, 24) = 0
[pid 26656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26656] setpgid(0, 0)               = 0
[pid 26656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26656] write(3, "1000", 4)         = 4
[pid 26656] close(3)                    = 0
[pid 26656] write(1, "executing program\n", 18) = 18
[pid 26656] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26656] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26656] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26656] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26656] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26656] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26656] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26656] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26656] exit_group(0)               = ?
[pid 26656] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26656, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26657
./strace-static-x86_64: Process 26657 attached
[pid 26657] set_robust_list(0x555555f76660, 24) = 0
[pid 26657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26657] setpgid(0, 0)               = 0
[pid 26657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26657] write(3, "1000", 4)         = 4
[pid 26657] close(3)                    = 0
[pid 26657] write(1, "executing program\n", 18executing program
) = 18
[pid 26657] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26657] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26657] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26657] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26657] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26657] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26657] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26657] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26657] exit_group(0)               = ?
[pid 26657] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26657, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26658
./strace-static-x86_64: Process 26658 attached
[pid 26658] set_robust_list(0x555555f76660, 24) = 0
[pid 26658] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26658] setpgid(0, 0)               = 0
[pid 26658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26658] write(3, "1000", 4)         = 4
[pid 26658] close(3)                    = 0
[pid 26658] write(1, "executing program\n", 18executing program
) = 18
[pid 26658] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26658] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26658] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26658] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26658] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26658] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26658] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26658] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26658] exit_group(0)               = ?
[pid 26658] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26658, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26659 attached
, child_tidptr=0x555555f76650) = 26659
[pid 26659] set_robust_list(0x555555f76660, 24) = 0
[pid 26659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26659] setpgid(0, 0)               = 0
[pid 26659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26659] write(3, "1000", 4)         = 4
[pid 26659] close(3)                    = 0
executing program
[pid 26659] write(1, "executing program\n", 18) = 18
[pid 26659] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26659] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26659] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26659] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26659] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26659] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26659] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26659] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26659] exit_group(0)               = ?
[pid 26659] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26659, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26660 attached
, child_tidptr=0x555555f76650) = 26660
[pid 26660] set_robust_list(0x555555f76660, 24) = 0
[pid 26660] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26660] setpgid(0, 0)               = 0
[pid 26660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26660] write(3, "1000", 4)         = 4
[pid 26660] close(3)                    = 0
executing program
[pid 26660] write(1, "executing program\n", 18) = 18
[pid 26660] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26660] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26660] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26660] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26660] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26660] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26660] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26660] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26660] exit_group(0)               = ?
[pid 26660] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26660, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26661
./strace-static-x86_64: Process 26661 attached
[pid 26661] set_robust_list(0x555555f76660, 24) = 0
[pid 26661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26661] setpgid(0, 0)               = 0
[pid 26661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26661] write(3, "1000", 4)         = 4
[pid 26661] close(3)                    = 0
executing program
[pid 26661] write(1, "executing program\n", 18) = 18
[pid 26661] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26661] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26661] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26661] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26661] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26661] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26661] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26661] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26661] exit_group(0)               = ?
[pid 26661] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26661, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26662 attached
, child_tidptr=0x555555f76650) = 26662
[pid 26662] set_robust_list(0x555555f76660, 24) = 0
[pid 26662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26662] setpgid(0, 0)               = 0
[pid 26662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26662] write(3, "1000", 4)         = 4
[pid 26662] close(3)                    = 0
[pid 26662] write(1, "executing program\n", 18executing program
) = 18
[pid 26662] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26662] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26662] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26662] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26662] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26662] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26662] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26662] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26662] exit_group(0)               = ?
[pid 26662] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26662, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26663
./strace-static-x86_64: Process 26663 attached
[pid 26663] set_robust_list(0x555555f76660, 24) = 0
[pid 26663] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26663] setpgid(0, 0)               = 0
[pid 26663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26663] write(3, "1000", 4)         = 4
[pid 26663] close(3executing program
)                    = 0
[pid 26663] write(1, "executing program\n", 18) = 18
[pid 26663] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26663] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26663] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26663] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26663] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26663] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26663] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26663] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26663] exit_group(0)               = ?
[pid 26663] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26663, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26664 attached
, child_tidptr=0x555555f76650) = 26664
[pid 26664] set_robust_list(0x555555f76660, 24) = 0
[pid 26664] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26664] setpgid(0, 0)               = 0
[pid 26664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26664] write(3, "1000", 4)         = 4
[pid 26664] close(3)                    = 0
[pid 26664] write(1, "executing program\n", 18executing program
) = 18
[pid 26664] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26664] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26664] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26664] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26664] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26664] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26664] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26664] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26664] exit_group(0)               = ?
[pid 26664] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26664, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26665 attached
, child_tidptr=0x555555f76650) = 26665
[pid 26665] set_robust_list(0x555555f76660, 24) = 0
[pid 26665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26665] setpgid(0, 0)               = 0
[pid 26665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26665] write(3, "1000", 4)         = 4
[pid 26665] close(3)                    = 0
[pid 26665] write(1, "executing program\n", 18) = 18
[pid 26665] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26665] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26665] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26665] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26665] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26665] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26665] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26665] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26665] exit_group(0)               = ?
[pid 26665] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26665, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26667 attached
, child_tidptr=0x555555f76650) = 26667
[pid 26667] set_robust_list(0x555555f76660, 24) = 0
[pid 26667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26667] setpgid(0, 0)               = 0
[pid 26667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26667] write(3, "1000", 4)         = 4
[pid 26667] close(3)                    = 0
executing program
[pid 26667] write(1, "executing program\n", 18) = 18
[pid 26667] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26667] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26667] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26667] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26667] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26667] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26667] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26667] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26667] exit_group(0)               = ?
[pid 26667] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26667, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26668 attached
, child_tidptr=0x555555f76650) = 26668
[pid 26668] set_robust_list(0x555555f76660, 24) = 0
[pid 26668] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26668] setpgid(0, 0)               = 0
[pid 26668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26668] write(3, "1000", 4)         = 4
[pid 26668] close(3)                    = 0
executing program
[pid 26668] write(1, "executing program\n", 18) = 18
[pid 26668] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26668] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26668] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26668] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26668] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26668] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26668] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26668] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26668] exit_group(0)               = ?
[pid 26668] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26668, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26669 attached
, child_tidptr=0x555555f76650) = 26669
[pid 26669] set_robust_list(0x555555f76660, 24) = 0
[pid 26669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26669] setpgid(0, 0)               = 0
[pid 26669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26669] write(3, "1000", 4executing program
)         = 4
[pid 26669] close(3)                    = 0
[pid 26669] write(1, "executing program\n", 18) = 18
[pid 26669] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26669] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26669] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26669] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26669] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26669] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26669] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26669] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26669] exit_group(0)               = ?
[pid 26669] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26669, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26670 attached
, child_tidptr=0x555555f76650) = 26670
[pid 26670] set_robust_list(0x555555f76660, 24) = 0
[pid 26670] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26670] setpgid(0, 0)               = 0
[pid 26670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26670] write(3, "1000", 4)         = 4
[pid 26670] close(3)                    = 0
[pid 26670] write(1, "executing program\n", 18executing program
) = 18
[pid 26670] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26670] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26670] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26670] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26670] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26670] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26670] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26670] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26670] exit_group(0)               = ?
[pid 26670] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26670, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26671
./strace-static-x86_64: Process 26671 attached
[pid 26671] set_robust_list(0x555555f76660, 24) = 0
[pid 26671] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26671] setpgid(0, 0)               = 0
[pid 26671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26671] write(3, "1000", 4)         = 4
[pid 26671] close(3)                    = 0
executing program
[pid 26671] write(1, "executing program\n", 18) = 18
[pid 26671] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26671] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26671] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26671] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26671] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26671] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26671] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26671] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26671] exit_group(0)               = ?
[pid 26671] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26671, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26672 attached
, child_tidptr=0x555555f76650) = 26672
[pid 26672] set_robust_list(0x555555f76660, 24) = 0
[pid 26672] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26672] setpgid(0, 0)               = 0
[pid 26672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26672] write(3, "1000", 4)         = 4
[pid 26672] close(3)                    = 0
[pid 26672] write(1, "executing program\n", 18executing program
) = 18
[pid 26672] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26672] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26672] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26672] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26672] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26672] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26672] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26672] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26672] exit_group(0)               = ?
[pid 26672] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26672, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26673 attached
, child_tidptr=0x555555f76650) = 26673
[pid 26673] set_robust_list(0x555555f76660, 24) = 0
[pid 26673] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26673] setpgid(0, 0)               = 0
[pid 26673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26673] write(3, "1000", 4)         = 4
[pid 26673] close(3)                    = 0
[pid 26673] write(1, "executing program\n", 18) = 18
[pid 26673] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26673] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26673] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26673] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26673] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26673] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26673] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26673] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26673] exit_group(0)               = ?
[pid 26673] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26673, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26674 attached
, child_tidptr=0x555555f76650) = 26674
[pid 26674] set_robust_list(0x555555f76660, 24) = 0
[pid 26674] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26674] setpgid(0, 0)               = 0
[pid 26674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26674] write(3, "1000", 4)         = 4
[pid 26674] close(3)                    = 0
[pid 26674] write(1, "executing program\n", 18executing program
) = 18
[pid 26674] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26674] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26674] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26674] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26674] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26674] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26674] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26674] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26674] exit_group(0)               = ?
[pid 26674] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26674, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26675 attached
, child_tidptr=0x555555f76650) = 26675
[pid 26675] set_robust_list(0x555555f76660, 24) = 0
[pid 26675] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26675] setpgid(0, 0)               = 0
[pid 26675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26675] write(3, "1000", 4executing program
)         = 4
[pid 26675] close(3)                    = 0
[pid 26675] write(1, "executing program\n", 18) = 18
[pid 26675] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26675] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26675] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26675] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26675] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26675] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26675] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26675] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26675] exit_group(0)               = ?
[pid 26675] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26675, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26676
./strace-static-x86_64: Process 26676 attached
[pid 26676] set_robust_list(0x555555f76660, 24) = 0
[pid 26676] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26676] setpgid(0, 0)               = 0
[pid 26676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26676] write(3, "1000", 4)         = 4
[pid 26676] close(3)                    = 0
[pid 26676] write(1, "executing program\n", 18executing program
) = 18
[pid 26676] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26676] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26676] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26676] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26676] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26676] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26676] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26676] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26676] exit_group(0)               = ?
[pid 26676] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26676, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26677
./strace-static-x86_64: Process 26677 attached
[pid 26677] set_robust_list(0x555555f76660, 24) = 0
[pid 26677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26677] setpgid(0, 0)               = 0
[pid 26677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26677] write(3, "1000", 4)         = 4
[pid 26677] close(3)                    = 0
[pid 26677] write(1, "executing program\n", 18executing program
) = 18
[pid 26677] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26677] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26677] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26677] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26677] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26677] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26677] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26677] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26677] exit_group(0)               = ?
[pid 26677] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26677, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26678 attached
, child_tidptr=0x555555f76650) = 26678
[pid 26678] set_robust_list(0x555555f76660, 24) = 0
[pid 26678] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26678] setpgid(0, 0)               = 0
[pid 26678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26678] write(3, "1000", 4)         = 4
[pid 26678] close(3executing program
)                    = 0
[pid 26678] write(1, "executing program\n", 18) = 18
[pid 26678] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26678] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26678] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26678] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26678] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26678] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26678] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26678] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26678] exit_group(0)               = ?
[pid 26678] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26678, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26679
./strace-static-x86_64: Process 26679 attached
[pid 26679] set_robust_list(0x555555f76660, 24) = 0
[pid 26679] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26679] setpgid(0, 0)               = 0
[pid 26679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26679] write(3, "1000", 4)         = 4
[pid 26679] close(3executing program
)                    = 0
[pid 26679] write(1, "executing program\n", 18) = 18
[pid 26679] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26679] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26679] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26679] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26679] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26679] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26679] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26679] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26679] exit_group(0)               = ?
[pid 26679] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26679, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26680
./strace-static-x86_64: Process 26680 attached
[pid 26680] set_robust_list(0x555555f76660, 24) = 0
[pid 26680] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26680] setpgid(0, 0)               = 0
[pid 26680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26680] write(3, "1000", 4)         = 4
[pid 26680] close(3)                    = 0
executing program
[pid 26680] write(1, "executing program\n", 18) = 18
[pid 26680] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26680] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26680] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26680] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26680] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26680] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26680] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26680] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26680] exit_group(0)               = ?
[pid 26680] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26680, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26681 attached
, child_tidptr=0x555555f76650) = 26681
[pid 26681] set_robust_list(0x555555f76660, 24) = 0
[pid 26681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26681] setpgid(0, 0)               = 0
[pid 26681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26681] write(3, "1000", 4)         = 4
[pid 26681] close(3)                    = 0
executing program
[pid 26681] write(1, "executing program\n", 18) = 18
[pid 26681] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26681] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26681] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26681] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26681] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26681] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26681] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26681] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26681] exit_group(0)               = ?
[pid 26681] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26681, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26682
./strace-static-x86_64: Process 26682 attached
[pid 26682] set_robust_list(0x555555f76660, 24) = 0
[pid 26682] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26682] setpgid(0, 0)               = 0
[pid 26682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26682] write(3, "1000", 4)         = 4
[pid 26682] close(3executing program
)                    = 0
[pid 26682] write(1, "executing program\n", 18) = 18
[pid 26682] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26682] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26682] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26682] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26682] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26682] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26682] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26682] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26682] exit_group(0)               = ?
[pid 26682] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26682, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26683 attached
, child_tidptr=0x555555f76650) = 26683
[pid 26683] set_robust_list(0x555555f76660, 24) = 0
[pid 26683] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26683] setpgid(0, 0)               = 0
[pid 26683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26683] write(3, "1000", 4)         = 4
[pid 26683] close(3)                    = 0
[pid 26683] write(1, "executing program\n", 18executing program
) = 18
[pid 26683] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26683] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26683] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26683] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26683] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26683] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26683] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26683] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26683] exit_group(0)               = ?
[pid 26683] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26683, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26684 attached
, child_tidptr=0x555555f76650) = 26684
[pid 26684] set_robust_list(0x555555f76660, 24) = 0
[pid 26684] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26684] setpgid(0, 0)               = 0
[pid 26684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26684] write(3, "1000", 4)         = 4
[pid 26684] close(3)                    = 0
executing program
[pid 26684] write(1, "executing program\n", 18) = 18
[pid 26684] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26684] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26684] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26684] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26684] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26684] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26684] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26684] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26684] exit_group(0)               = ?
[pid 26684] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26684, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26685 attached
, child_tidptr=0x555555f76650) = 26685
[pid 26685] set_robust_list(0x555555f76660, 24) = 0
[pid 26685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26685] setpgid(0, 0)               = 0
[pid 26685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26685] write(3, "1000", 4)         = 4
[pid 26685] close(3executing program
)                    = 0
[pid 26685] write(1, "executing program\n", 18) = 18
[pid 26685] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26685] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26685] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26685] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26685] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26685] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26685] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26685] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26685] exit_group(0)               = ?
[pid 26685] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26685, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26686
./strace-static-x86_64: Process 26686 attached
[pid 26686] set_robust_list(0x555555f76660, 24) = 0
[pid 26686] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26686] setpgid(0, 0)               = 0
[pid 26686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26686] write(3, "1000", 4)         = 4
[pid 26686] close(3)                    = 0
[pid 26686] write(1, "executing program\n", 18executing program
) = 18
[pid 26686] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26686] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26686] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26686] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26686] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26686] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26686] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26686] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26686] exit_group(0)               = ?
[pid 26686] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26686, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26687 attached
, child_tidptr=0x555555f76650) = 26687
[pid 26687] set_robust_list(0x555555f76660, 24) = 0
[pid 26687] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26687] setpgid(0, 0)               = 0
[pid 26687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26687] write(3, "1000", 4executing program
)         = 4
[pid 26687] close(3)                    = 0
[pid 26687] write(1, "executing program\n", 18) = 18
[pid 26687] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26687] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26687] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26687] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26687] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26687] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26687] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26687] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26687] exit_group(0)               = ?
[pid 26687] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26687, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26688 attached
, child_tidptr=0x555555f76650) = 26688
[pid 26688] set_robust_list(0x555555f76660, 24) = 0
[pid 26688] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26688] setpgid(0, 0)               = 0
[pid 26688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26688] write(3, "1000", 4)         = 4
[pid 26688] close(3)                    = 0
[pid 26688] write(1, "executing program\n", 18executing program
) = 18
[pid 26688] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26688] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26688] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26688] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26688] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26688] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26688] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26688] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26688] exit_group(0)               = ?
[pid 26688] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26688, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26689
./strace-static-x86_64: Process 26689 attached
[pid 26689] set_robust_list(0x555555f76660, 24) = 0
[pid 26689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26689] setpgid(0, 0)               = 0
[pid 26689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26689] write(3, "1000", 4)         = 4
[pid 26689] close(3)                    = 0
executing program
[pid 26689] write(1, "executing program\n", 18) = 18
[pid 26689] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26689] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26689] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26689] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26689] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26689] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26689] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26689] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26689] exit_group(0)               = ?
[pid 26689] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26689, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26690 attached
, child_tidptr=0x555555f76650) = 26690
[pid 26690] set_robust_list(0x555555f76660, 24) = 0
[pid 26690] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26690] setpgid(0, 0)               = 0
[pid 26690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26690] write(3, "1000", 4)         = 4
[pid 26690] close(3)                    = 0
[pid 26690] write(1, "executing program\n", 18executing program
) = 18
[pid 26690] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26690] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26690] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26690] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26690] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26690] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26690] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26690] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26690] exit_group(0)               = ?
[pid 26690] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26690, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26691 attached
, child_tidptr=0x555555f76650) = 26691
[pid 26691] set_robust_list(0x555555f76660, 24) = 0
[pid 26691] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26691] setpgid(0, 0)               = 0
[pid 26691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26691] write(3, "1000", 4)         = 4
executing program
[pid 26691] close(3)                    = 0
[pid 26691] write(1, "executing program\n", 18) = 18
[pid 26691] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26691] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26691] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26691] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26691] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26691] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26691] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26691] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26691] exit_group(0)               = ?
[pid 26691] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26691, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26692 attached
, child_tidptr=0x555555f76650) = 26692
[pid 26692] set_robust_list(0x555555f76660, 24) = 0
[pid 26692] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26692] setpgid(0, 0)               = 0
[pid 26692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26692] write(3, "1000", 4)         = 4
[pid 26692] close(3)                    = 0
[pid 26692] write(1, "executing program\n", 18executing program
) = 18
[pid 26692] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26692] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26692] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26692] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26692] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26692] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26692] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26692] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26692] exit_group(0)               = ?
[pid 26692] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26692, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26693
./strace-static-x86_64: Process 26693 attached
[pid 26693] set_robust_list(0x555555f76660, 24) = 0
[pid 26693] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26693] setpgid(0, 0)               = 0
[pid 26693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26693] write(3, "1000", 4)         = 4
[pid 26693] close(3executing program
)                    = 0
[pid 26693] write(1, "executing program\n", 18) = 18
[pid 26693] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26693] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26693] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26693] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26693] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26693] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26693] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26693] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26693] exit_group(0)               = ?
[pid 26693] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26693, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>executing program
) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26694 attached
, child_tidptr=0x555555f76650) = 26694
[pid 26694] set_robust_list(0x555555f76660, 24) = 0
[pid 26694] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26694] setpgid(0, 0)               = 0
[pid 26694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26694] write(3, "1000", 4)         = 4
[pid 26694] close(3)                    = 0
[pid 26694] write(1, "executing program\n", 18) = 18
[pid 26694] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26694] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26694] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26694] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26694] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26694] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26694] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26694] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26694] exit_group(0)               = ?
[pid 26694] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26694, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26695
./strace-static-x86_64: Process 26695 attached
[pid 26695] set_robust_list(0x555555f76660, 24) = 0
[pid 26695] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26695] setpgid(0, 0)               = 0
[pid 26695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26695] write(3, "1000", 4)         = 4
[pid 26695] close(3)                    = 0
[pid 26695] write(1, "executing program\n", 18executing program
) = 18
[pid 26695] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26695] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26695] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26695] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26695] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26695] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26695] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26695] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26695] exit_group(0)               = ?
[pid 26695] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26695, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26696
./strace-static-x86_64: Process 26696 attached
[pid 26696] set_robust_list(0x555555f76660, 24) = 0
[pid 26696] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26696] setpgid(0, 0)               = 0
[pid 26696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26696] write(3, "1000", 4)         = 4
[pid 26696] close(3)                    = 0
[pid 26696] write(1, "executing program\n", 18executing program
) = 18
[pid 26696] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26696] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26696] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26696] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26696] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26696] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26696] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26696] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26696] exit_group(0)               = ?
[pid 26696] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26696, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26697 attached
, child_tidptr=0x555555f76650) = 26697
[pid 26697] set_robust_list(0x555555f76660, 24) = 0
[pid 26697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26697] setpgid(0, 0)               = 0
[pid 26697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26697] write(3, "1000", 4)         = 4
[pid 26697] close(3)                    = 0
[pid 26697] write(1, "executing program\n", 18executing program
) = 18
[pid 26697] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26697] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26697] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26697] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26697] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26697] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26697] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26697] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26697] exit_group(0)               = ?
[pid 26697] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26697, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26698
./strace-static-x86_64: Process 26698 attached
[pid 26698] set_robust_list(0x555555f76660, 24) = 0
[pid 26698] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26698] setpgid(0, 0)               = 0
[pid 26698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26698] write(3, "1000", 4)         = 4
executing program
[pid 26698] close(3)                    = 0
[pid 26698] write(1, "executing program\n", 18) = 18
[pid 26698] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26698] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26698] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26698] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26698] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26698] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26698] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26698] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26698] exit_group(0)               = ?
[pid 26698] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26698, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26699 attached
, child_tidptr=0x555555f76650) = 26699
[pid 26699] set_robust_list(0x555555f76660, 24) = 0
[pid 26699] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26699] setpgid(0, 0)               = 0
[pid 26699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26699] write(3, "1000", 4)         = 4
[pid 26699] close(3)                    = 0
[pid 26699] write(1, "executing program\n", 18executing program
) = 18
[pid 26699] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26699] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26699] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26699] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26699] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26699] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26699] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26699] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26699] exit_group(0)               = ?
[pid 26699] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26699, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26700
./strace-static-x86_64: Process 26700 attached
[pid 26700] set_robust_list(0x555555f76660, 24) = 0
[pid 26700] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26700] setpgid(0, 0)               = 0
[pid 26700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26700] write(3, "1000", 4)         = 4
[pid 26700] close(3)                    = 0
[pid 26700] write(1, "executing program\n", 18executing program
) = 18
[pid 26700] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26700] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26700] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26700] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26700] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26700] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26700] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26700] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26700] exit_group(0)               = ?
[pid 26700] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26700, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26701 attached
, child_tidptr=0x555555f76650) = 26701
[pid 26701] set_robust_list(0x555555f76660, 24) = 0
[pid 26701] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26701] setpgid(0, 0)               = 0
[pid 26701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26701] write(3, "1000", 4)         = 4
[pid 26701] close(3)                    = 0
[pid 26701] write(1, "executing program\n", 18) = 18
[pid 26701] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26701] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26701] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26701] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26701] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26701] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26701] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26701] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26701] exit_group(0)               = ?
[pid 26701] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26701, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26702
./strace-static-x86_64: Process 26702 attached
[pid 26702] set_robust_list(0x555555f76660, 24) = 0
[pid 26702] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26702] setpgid(0, 0)               = 0
[pid 26702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26702] write(3, "1000", 4)         = 4
[pid 26702] close(3)                    = 0
[pid 26702] write(1, "executing program\n", 18executing program
) = 18
[pid 26702] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26702] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26702] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26702] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26702] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26702] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26702] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26702] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26702] exit_group(0)               = ?
[pid 26702] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26702, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26703 attached
, child_tidptr=0x555555f76650) = 26703
[pid 26703] set_robust_list(0x555555f76660, 24) = 0
[pid 26703] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26703] setpgid(0, 0)               = 0
[pid 26703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26703] write(3, "1000", 4)         = 4
[pid 26703] close(3)                    = 0
executing program
[pid 26703] write(1, "executing program\n", 18) = 18
[pid 26703] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26703] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26703] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26703] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26703] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26703] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26703] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26703] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26703] exit_group(0)               = ?
[pid 26703] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26703, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26704 attached
, child_tidptr=0x555555f76650) = 26704
[pid 26704] set_robust_list(0x555555f76660, 24) = 0
[pid 26704] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26704] setpgid(0, 0)               = 0
[pid 26704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26704] write(3, "1000", 4)         = 4
[pid 26704] close(3)                    = 0
executing program
[pid 26704] write(1, "executing program\n", 18) = 18
[pid 26704] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26704] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26704] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26704] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26704] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26704] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26704] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26704] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26704] exit_group(0)               = ?
[pid 26704] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26704, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26705 attached
, child_tidptr=0x555555f76650) = 26705
[pid 26705] set_robust_list(0x555555f76660, 24) = 0
[pid 26705] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26705] setpgid(0, 0)               = 0
[pid 26705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26705] write(3, "1000", 4)         = 4
[pid 26705] close(3)                    = 0
[pid 26705] write(1, "executing program\n", 18executing program
) = 18
[pid 26705] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26705] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26705] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26705] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26705] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26705] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26705] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26705] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26705] exit_group(0)               = ?
[pid 26705] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26705, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26706 attached
, child_tidptr=0x555555f76650) = 26706
[pid 26706] set_robust_list(0x555555f76660, 24) = 0
[pid 26706] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26706] setpgid(0, 0)               = 0
[pid 26706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26706] write(3, "1000", 4)         = 4
[pid 26706] close(3)                    = 0
[pid 26706] write(1, "executing program\n", 18executing program
) = 18
[pid 26706] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26706] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26706] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26706] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26706] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26706] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26706] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26706] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26706] exit_group(0)               = ?
[pid 26706] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26706, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26707
./strace-static-x86_64: Process 26707 attached
[pid 26707] set_robust_list(0x555555f76660, 24) = 0
[pid 26707] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26707] setpgid(0, 0)               = 0
[pid 26707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26707] write(3, "1000", 4)         = 4
[pid 26707] close(3)                    = 0
executing program
[pid 26707] write(1, "executing program\n", 18) = 18
[pid 26707] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26707] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26707] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26707] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26707] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26707] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26707] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26707] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26707] exit_group(0)               = ?
[pid 26707] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26707, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26708 attached
, child_tidptr=0x555555f76650) = 26708
[pid 26708] set_robust_list(0x555555f76660, 24) = 0
[pid 26708] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26708] setpgid(0, 0)               = 0
[pid 26708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26708] write(3, "1000", 4)         = 4
[pid 26708] close(3)                    = 0
[pid 26708] write(1, "executing program\n", 18executing program
) = 18
[pid 26708] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26708] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26708] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26708] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26708] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26708] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26708] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26708] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26708] exit_group(0)               = ?
[pid 26708] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26708, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26709
./strace-static-x86_64: Process 26709 attached
[pid 26709] set_robust_list(0x555555f76660, 24) = 0
[pid 26709] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26709] setpgid(0, 0)               = 0
[pid 26709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26709] write(3, "1000", 4)         = 4
[pid 26709] close(3executing program
)                    = 0
[pid 26709] write(1, "executing program\n", 18) = 18
[pid 26709] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26709] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26709] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26709] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26709] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26709] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26709] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26709] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26709] exit_group(0)               = ?
[pid 26709] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26709, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26710 attached
, child_tidptr=0x555555f76650) = 26710
[pid 26710] set_robust_list(0x555555f76660, 24) = 0
[pid 26710] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26710] setpgid(0, 0)               = 0
[pid 26710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26710] write(3, "1000", 4)         = 4
[pid 26710] close(3)                    = 0
[pid 26710] write(1, "executing program\n", 18executing program
) = 18
[pid 26710] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26710] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26710] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26710] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26710] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26710] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26710] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26710] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26710] exit_group(0)               = ?
[pid 26710] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26710, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26711
./strace-static-x86_64: Process 26711 attached
[pid 26711] set_robust_list(0x555555f76660, 24) = 0
[pid 26711] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26711] setpgid(0, 0)               = 0
[pid 26711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26711] write(3, "1000", 4)         = 4
[pid 26711] close(3executing program
)                    = 0
[pid 26711] write(1, "executing program\n", 18) = 18
[pid 26711] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26711] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26711] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26711] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26711] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26711] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26711] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26711] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26711] exit_group(0)               = ?
[pid 26711] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26711, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26712 attached
, child_tidptr=0x555555f76650) = 26712
[pid 26712] set_robust_list(0x555555f76660, 24) = 0
[pid 26712] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26712] setpgid(0, 0)               = 0
[pid 26712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26712] write(3, "1000", 4)         = 4
[pid 26712] close(3)                    = 0
[pid 26712] write(1, "executing program\n", 18executing program
) = 18
[pid 26712] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26712] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26712] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26712] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26712] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26712] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26712] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26712] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26712] exit_group(0)               = ?
[pid 26712] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26712, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26713 attached
, child_tidptr=0x555555f76650) = 26713
[pid 26713] set_robust_list(0x555555f76660, 24) = 0
[pid 26713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26713] setpgid(0, 0)               = 0
[pid 26713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26713] write(3, "1000", 4)         = 4
[pid 26713] close(3)                    = 0
[pid 26713] write(1, "executing program\n", 18executing program
) = 18
[pid 26713] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26713] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26713] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26713] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26713] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26713] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26713] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26713] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26713] exit_group(0)               = ?
[pid 26713] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26713, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26714 attached
, child_tidptr=0x555555f76650) = 26714
[pid 26714] set_robust_list(0x555555f76660, 24) = 0
[pid 26714] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26714] setpgid(0, 0)               = 0
[pid 26714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26714] write(3, "1000", 4)         = 4
[pid 26714] close(3)                    = 0
executing program
[pid 26714] write(1, "executing program\n", 18) = 18
[pid 26714] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26714] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26714] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26714] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26714] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26714] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26714] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26714] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26714] exit_group(0)               = ?
[pid 26714] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26714, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26715
./strace-static-x86_64: Process 26715 attached
[pid 26715] set_robust_list(0x555555f76660, 24) = 0
[pid 26715] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26715] setpgid(0, 0)               = 0
[pid 26715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26715] write(3, "1000", 4)         = 4
[pid 26715] close(3)                    = 0
[pid 26715] write(1, "executing program\n", 18executing program
) = 18
[pid 26715] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26715] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26715] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26715] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26715] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26715] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26715] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26715] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26715] exit_group(0)               = ?
[pid 26715] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26715, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26716 attached
, child_tidptr=0x555555f76650) = 26716
[pid 26716] set_robust_list(0x555555f76660, 24) = 0
[pid 26716] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26716] setpgid(0, 0)               = 0
[pid 26716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26716] write(3, "1000", 4)         = 4
[pid 26716] close(3)                    = 0
[pid 26716] write(1, "executing program\n", 18executing program
) = 18
[pid 26716] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26716] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26716] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26716] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26716] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26716] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26716] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26716] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26716] exit_group(0)               = ?
[pid 26716] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26716, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>executing program
) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26717 attached
, child_tidptr=0x555555f76650) = 26717
[pid 26717] set_robust_list(0x555555f76660, 24) = 0
[pid 26717] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26717] setpgid(0, 0)               = 0
[pid 26717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26717] write(3, "1000", 4)         = 4
[pid 26717] close(3)                    = 0
[pid 26717] write(1, "executing program\n", 18) = 18
[pid 26717] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26717] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26717] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26717] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26717] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26717] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26717] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26717] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26717] exit_group(0)               = ?
[pid 26717] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26717, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26718 attached
, child_tidptr=0x555555f76650) = 26718
[pid 26718] set_robust_list(0x555555f76660, 24) = 0
[pid 26718] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26718] setpgid(0, 0)               = 0
[pid 26718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26718] write(3, "1000", 4)         = 4
[pid 26718] close(3)                    = 0
executing program
[pid 26718] write(1, "executing program\n", 18) = 18
[pid 26718] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26718] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26718] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26718] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26718] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26718] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26718] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26718] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26718] exit_group(0)               = ?
[pid 26718] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26718, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26719 attached
, child_tidptr=0x555555f76650) = 26719
[pid 26719] set_robust_list(0x555555f76660, 24) = 0
[pid 26719] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26719] setpgid(0, 0)               = 0
[pid 26719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26719] write(3, "1000", 4)         = 4
[pid 26719] close(3)                    = 0
executing program
[pid 26719] write(1, "executing program\n", 18) = 18
[pid 26719] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26719] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26719] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26719] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26719] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26719] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26719] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26719] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26719] exit_group(0)               = ?
[pid 26719] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26719, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26720 attached
, child_tidptr=0x555555f76650) = 26720
[pid 26720] set_robust_list(0x555555f76660, 24) = 0
[pid 26720] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26720] setpgid(0, 0)               = 0
[pid 26720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26720] write(3, "1000", 4)         = 4
[pid 26720] close(3)                    = 0
executing program
[pid 26720] write(1, "executing program\n", 18) = 18
[pid 26720] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26720] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26720] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26720] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26720] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26720] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26720] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26720] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26720] exit_group(0)               = ?
[pid 26720] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26720, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26721
./strace-static-x86_64: Process 26721 attached
[pid 26721] set_robust_list(0x555555f76660, 24) = 0
[pid 26721] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26721] setpgid(0, 0)               = 0
[pid 26721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26721] write(3, "1000", 4)         = 4
[pid 26721] close(3executing program
)                    = 0
[pid 26721] write(1, "executing program\n", 18) = 18
[pid 26721] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26721] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26721] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26721] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26721] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26721] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26721] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26721] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26721] exit_group(0)               = ?
[pid 26721] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26721, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26722 attached
, child_tidptr=0x555555f76650) = 26722
[pid 26722] set_robust_list(0x555555f76660, 24) = 0
[pid 26722] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26722] setpgid(0, 0)               = 0
[pid 26722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26722] write(3, "1000", 4)         = 4
[pid 26722] close(3)                    = 0
[pid 26722] write(1, "executing program\n", 18) = 18
[pid 26722] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26722] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26722] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26722] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26722] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26722] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26722] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26722] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26722] exit_group(0)               = ?
[pid 26722] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26722, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26723 attached
, child_tidptr=0x555555f76650) = 26723
[pid 26723] set_robust_list(0x555555f76660, 24) = 0
[pid 26723] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26723] setpgid(0, 0)               = 0
[pid 26723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26723] write(3, "1000", 4)         = 4
[pid 26723] close(3)                    = 0
[pid 26723] write(1, "executing program\n", 18executing program
) = 18
[pid 26723] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26723] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26723] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26723] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26723] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26723] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26723] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26723] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26723] exit_group(0)               = ?
[pid 26723] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26723, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26724 attached
, child_tidptr=0x555555f76650) = 26724
[pid 26724] set_robust_list(0x555555f76660, 24) = 0
[pid 26724] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26724] setpgid(0, 0)               = 0
[pid 26724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26724] write(3, "1000", 4executing program
)         = 4
[pid 26724] close(3)                    = 0
[pid 26724] write(1, "executing program\n", 18) = 18
[pid 26724] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26724] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26724] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26724] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26724] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26724] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26724] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26724] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26724] exit_group(0)               = ?
[pid 26724] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26724, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26725
./strace-static-x86_64: Process 26725 attached
[pid 26725] set_robust_list(0x555555f76660, 24) = 0
[pid 26725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26725] setpgid(0, 0)               = 0
[pid 26725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26725] write(3, "1000", 4)         = 4
[pid 26725] close(3executing program
)                    = 0
[pid 26725] write(1, "executing program\n", 18) = 18
[pid 26725] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26725] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26725] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26725] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26725] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26725] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26725] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26725] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26725] exit_group(0)               = ?
[pid 26725] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26725, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26726 attached
, child_tidptr=0x555555f76650) = 26726
[pid 26726] set_robust_list(0x555555f76660, 24) = 0
[pid 26726] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26726] setpgid(0, 0)               = 0
[pid 26726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26726] write(3, "1000", 4)         = 4
[pid 26726] close(3)                    = 0
[pid 26726] write(1, "executing program\n", 18executing program
) = 18
[pid 26726] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26726] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26726] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26726] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26726] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26726] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26726] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26726] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26726] exit_group(0)               = ?
[pid 26726] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26726, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26727 attached
, child_tidptr=0x555555f76650) = 26727
[pid 26727] set_robust_list(0x555555f76660, 24) = 0
[pid 26727] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26727] setpgid(0, 0)               = 0
[pid 26727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26727] write(3, "1000", 4)         = 4
[pid 26727] close(3)                    = 0
executing program
[pid 26727] write(1, "executing program\n", 18) = 18
[pid 26727] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26727] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26727] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26727] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26727] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26727] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26727] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26727] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26727] exit_group(0)               = ?
[pid 26727] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26727, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26728 attached
, child_tidptr=0x555555f76650) = 26728
[pid 26728] set_robust_list(0x555555f76660, 24) = 0
[pid 26728] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26728] setpgid(0, 0)               = 0
[pid 26728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26728] write(3, "1000", 4)         = 4
[pid 26728] close(3)                    = 0
[pid 26728] write(1, "executing program\n", 18executing program
) = 18
[pid 26728] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26728] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26728] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26728] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26728] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26728] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26728] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26728] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26728] exit_group(0)               = ?
[pid 26728] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26728, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26729
./strace-static-x86_64: Process 26729 attached
[pid 26729] set_robust_list(0x555555f76660, 24) = 0
[pid 26729] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26729] setpgid(0, 0)               = 0
[pid 26729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26729] write(3, "1000", 4)         = 4
executing program
[pid 26729] close(3)                    = 0
[pid 26729] write(1, "executing program\n", 18) = 18
[pid 26729] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26729] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26729] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26729] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26729] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26729] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26729] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26729] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26729] exit_group(0)               = ?
[pid 26729] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26729, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26730 attached
, child_tidptr=0x555555f76650) = 26730
[pid 26730] set_robust_list(0x555555f76660, 24) = 0
[pid 26730] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26730] setpgid(0, 0)               = 0
[pid 26730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26730] write(3, "1000", 4)         = 4
[pid 26730] close(3)                    = 0
[pid 26730] write(1, "executing program\n", 18executing program
) = 18
[pid 26730] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26730] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26730] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26730] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26730] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26730] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26730] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26730] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26730] exit_group(0)               = ?
[pid 26730] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26730, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26731
./strace-static-x86_64: Process 26731 attached
[pid 26731] set_robust_list(0x555555f76660, 24) = 0
[pid 26731] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26731] setpgid(0, 0)               = 0
[pid 26731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26731] write(3, "1000", 4)         = 4
[pid 26731] close(3)                    = 0
executing program
[pid 26731] write(1, "executing program\n", 18) = 18
[pid 26731] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26731] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26731] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26731] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26731] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26731] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26731] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26731] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26731] exit_group(0)               = ?
[pid 26731] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26731, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26732 attached
, child_tidptr=0x555555f76650) = 26732
[pid 26732] set_robust_list(0x555555f76660, 24) = 0
[pid 26732] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26732] setpgid(0, 0)               = 0
[pid 26732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26732] write(3, "1000", 4)         = 4
[pid 26732] close(3)                    = 0
[pid 26732] write(1, "executing program\n", 18executing program
) = 18
[pid 26732] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26732] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26732] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26732] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26732] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26732] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26732] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26732] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26732] exit_group(0)               = ?
[pid 26732] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26732, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26733 attached
, child_tidptr=0x555555f76650) = 26733
[pid 26733] set_robust_list(0x555555f76660, 24) = 0
[pid 26733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26733] setpgid(0, 0)               = 0
[pid 26733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26733] write(3, "1000", 4)         = 4
[pid 26733] close(3)                    = 0
[pid 26733] write(1, "executing program\n", 18executing program
) = 18
[pid 26733] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26733] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26733] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26733] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26733] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26733] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26733] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26733] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26733] exit_group(0)               = ?
[pid 26733] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26733, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26734
./strace-static-x86_64: Process 26734 attached
[pid 26734] set_robust_list(0x555555f76660, 24) = 0
[pid 26734] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26734] setpgid(0, 0)               = 0
[pid 26734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26734] write(3, "1000", 4)         = 4
[pid 26734] close(3)                    = 0
executing program
[pid 26734] write(1, "executing program\n", 18) = 18
[pid 26734] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26734] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26734] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26734] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26734] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26734] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26734] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26734] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26734] exit_group(0)               = ?
[pid 26734] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26734, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26735 attached
, child_tidptr=0x555555f76650) = 26735
[pid 26735] set_robust_list(0x555555f76660, 24) = 0
[pid 26735] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26735] setpgid(0, 0)               = 0
[pid 26735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26735] write(3, "1000", 4)         = 4
[pid 26735] close(3)                    = 0
[pid 26735] write(1, "executing program\n", 18executing program
) = 18
[pid 26735] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26735] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26735] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26735] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26735] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26735] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26735] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26735] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26735] exit_group(0)               = ?
[pid 26735] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26735, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26736
./strace-static-x86_64: Process 26736 attached
[pid 26736] set_robust_list(0x555555f76660, 24) = 0
[pid 26736] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26736] setpgid(0, 0)               = 0
[pid 26736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26736] write(3, "1000", 4)         = 4
[pid 26736] close(3)                    = 0
[pid 26736] write(1, "executing program\n", 18executing program
) = 18
[pid 26736] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26736] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26736] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26736] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26736] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26736] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26736] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26736] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26736] exit_group(0)               = ?
[pid 26736] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26736, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26737
./strace-static-x86_64: Process 26737 attached
[pid 26737] set_robust_list(0x555555f76660, 24) = 0
[pid 26737] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26737] setpgid(0, 0)               = 0
[pid 26737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26737] write(3, "1000", 4)         = 4
[pid 26737] close(3)                    = 0
[pid 26737] write(1, "executing program\n", 18executing program
) = 18
[pid 26737] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26737] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26737] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26737] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26737] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26737] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26737] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26737] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26737] exit_group(0)               = ?
[pid 26737] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26737, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26738 attached
, child_tidptr=0x555555f76650) = 26738
[pid 26738] set_robust_list(0x555555f76660, 24) = 0
[pid 26738] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26738] setpgid(0, 0)               = 0
[pid 26738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26738] write(3, "1000", 4)         = 4
[pid 26738] close(3)                    = 0
executing program
[pid 26738] write(1, "executing program\n", 18) = 18
[pid 26738] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26738] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26738] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26738] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26738] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26738] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26738] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26738] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26738] exit_group(0)               = ?
[pid 26738] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26738, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26739
./strace-static-x86_64: Process 26739 attached
[pid 26739] set_robust_list(0x555555f76660, 24) = 0
[pid 26739] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26739] setpgid(0, 0)               = 0
[pid 26739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26739] write(3, "1000", 4)         = 4
[pid 26739] close(3)                    = 0
[pid 26739] write(1, "executing program\n", 18) = 18
[pid 26739] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26739] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26739] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26739] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26739] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26739] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26739] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26739] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26739] exit_group(0)               = ?
[pid 26739] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26739, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26740 attached
, child_tidptr=0x555555f76650) = 26740
[pid 26740] set_robust_list(0x555555f76660, 24) = 0
[pid 26740] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26740] setpgid(0, 0)               = 0
[pid 26740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26740] write(3, "1000", 4)         = 4
[pid 26740] close(3)                    = 0
[pid 26740] write(1, "executing program\n", 18executing program
) = 18
[pid 26740] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26740] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26740] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26740] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26740] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26740] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26740] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26740] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26740] exit_group(0)               = ?
[pid 26740] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26740, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26741 attached
, child_tidptr=0x555555f76650) = 26741
[pid 26741] set_robust_list(0x555555f76660, 24) = 0
[pid 26741] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26741] setpgid(0, 0)               = 0
[pid 26741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26741] write(3, "1000", 4)         = 4
[pid 26741] close(3)                    = 0
[pid 26741] write(1, "executing program\n", 18executing program
) = 18
[pid 26741] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26741] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26741] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26741] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26741] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26741] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26741] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26741] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26741] exit_group(0)               = ?
[pid 26741] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26741, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26742 attached
, child_tidptr=0x555555f76650) = 26742
[pid 26742] set_robust_list(0x555555f76660, 24) = 0
[pid 26742] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26742] setpgid(0, 0)               = 0
[pid 26742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26742] write(3, "1000", 4)         = 4
[pid 26742] close(3)                    = 0
[pid 26742] write(1, "executing program\n", 18executing program
) = 18
[pid 26742] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26742] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26742] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26742] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26742] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26742] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26742] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26742] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26742] exit_group(0)               = ?
[pid 26742] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26742, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26743 attached
, child_tidptr=0x555555f76650) = 26743
[pid 26743] set_robust_list(0x555555f76660, 24) = 0
[pid 26743] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26743] setpgid(0, 0)               = 0
[pid 26743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26743] write(3, "1000", 4)         = 4
executing program
[pid 26743] close(3)                    = 0
[pid 26743] write(1, "executing program\n", 18) = 18
[pid 26743] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26743] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26743] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26743] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26743] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26743] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26743] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26743] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26743] exit_group(0)               = ?
[pid 26743] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26743, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26744
./strace-static-x86_64: Process 26744 attached
[pid 26744] set_robust_list(0x555555f76660, 24) = 0
[pid 26744] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26744] setpgid(0, 0)               = 0
[pid 26744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26744] write(3, "1000", 4)         = 4
[pid 26744] close(3)                    = 0
[pid 26744] write(1, "executing program\n", 18executing program
) = 18
[pid 26744] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26744] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26744] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26744] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26744] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26744] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26744] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26744] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26744] exit_group(0)               = ?
[pid 26744] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26744, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26745 attached
, child_tidptr=0x555555f76650) = 26745
[pid 26745] set_robust_list(0x555555f76660, 24) = 0
[pid 26745] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26745] setpgid(0, 0)               = 0
[pid 26745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26745] write(3, "1000", 4)         = 4
[pid 26745] close(3)                    = 0
executing program
[pid 26745] write(1, "executing program\n", 18) = 18
[pid 26745] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26745] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26745] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26745] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26745] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26745] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26745] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26745] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26745] exit_group(0)               = ?
[pid 26745] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26745, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26746 attached
, child_tidptr=0x555555f76650) = 26746
[pid 26746] set_robust_list(0x555555f76660, 24) = 0
[pid 26746] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26746] setpgid(0, 0)               = 0
[pid 26746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26746] write(3, "1000", 4)         = 4
[pid 26746] close(3)                    = 0
executing program
[pid 26746] write(1, "executing program\n", 18) = 18
[pid 26746] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26746] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26746] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26746] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26746] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26746] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26746] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26746] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26746] exit_group(0)               = ?
[pid 26746] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26746, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26747 attached
, child_tidptr=0x555555f76650) = 26747
[pid 26747] set_robust_list(0x555555f76660, 24) = 0
[pid 26747] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26747] setpgid(0, 0)               = 0
[pid 26747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26747] write(3, "1000", 4)         = 4
[pid 26747] close(3executing program
)                    = 0
[pid 26747] write(1, "executing program\n", 18) = 18
[pid 26747] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26747] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26747] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26747] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26747] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26747] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26747] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26747] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26747] exit_group(0)               = ?
[pid 26747] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26747, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26748
./strace-static-x86_64: Process 26748 attached
[pid 26748] set_robust_list(0x555555f76660, 24) = 0
[pid 26748] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26748] setpgid(0, 0)               = 0
[pid 26748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26748] write(3, "1000", 4)         = 4
executing program
[pid 26748] close(3)                    = 0
[pid 26748] write(1, "executing program\n", 18) = 18
[pid 26748] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26748] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26748] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26748] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26748] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26748] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26748] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26748] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26748] exit_group(0)               = ?
[pid 26748] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26748, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26749
./strace-static-x86_64: Process 26749 attached
[pid 26749] set_robust_list(0x555555f76660, 24) = 0
[pid 26749] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26749] setpgid(0, 0)               = 0
[pid 26749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26749] write(3, "1000", 4)         = 4
[pid 26749] close(3)                    = 0
[pid 26749] write(1, "executing program\n", 18executing program
) = 18
[pid 26749] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26749] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26749] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26749] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26749] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26749] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26749] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26749] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26749] exit_group(0)               = ?
[pid 26749] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26749, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26750 attached
, child_tidptr=0x555555f76650) = 26750
[pid 26750] set_robust_list(0x555555f76660, 24) = 0
[pid 26750] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26750] setpgid(0, 0)               = 0
[pid 26750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26750] write(3, "1000", 4)         = 4
executing program
[pid 26750] close(3)                    = 0
[pid 26750] write(1, "executing program\n", 18) = 18
[pid 26750] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26750] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26750] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26750] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26750] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26750] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26750] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26750] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26750] exit_group(0)               = ?
[pid 26750] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26750, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26751
./strace-static-x86_64: Process 26751 attached
[pid 26751] set_robust_list(0x555555f76660, 24) = 0
[pid 26751] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26751] setpgid(0, 0)               = 0
[pid 26751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26751] write(3, "1000", 4)         = 4
[pid 26751] close(3)                    = 0
[pid 26751] write(1, "executing program\n", 18executing program
) = 18
[pid 26751] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26751] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26751] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26751] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26751] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26751] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26751] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26751] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26751] exit_group(0)               = ?
[pid 26751] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26751, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26752 attached
, child_tidptr=0x555555f76650) = 26752
[pid 26752] set_robust_list(0x555555f76660, 24) = 0
[pid 26752] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26752] setpgid(0, 0)               = 0
[pid 26752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26752] write(3, "1000", 4)         = 4
[pid 26752] close(3)                    = 0
[pid 26752] write(1, "executing program\n", 18executing program
) = 18
[pid 26752] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26752] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26752] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26752] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26752] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26752] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26752] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26752] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26752] exit_group(0)               = ?
[pid 26752] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26752, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26753 attached
, child_tidptr=0x555555f76650) = 26753
[pid 26753] set_robust_list(0x555555f76660, 24) = 0
[pid 26753] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26753] setpgid(0, 0)               = 0
[pid 26753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26753] write(3, "1000", 4)         = 4
[pid 26753] close(3)                    = 0
[pid 26753] write(1, "executing program\n", 18executing program
) = 18
[pid 26753] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26753] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26753] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26753] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26753] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26753] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26753] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26753] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26753] exit_group(0)               = ?
[pid 26753] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26753, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26754 attached
, child_tidptr=0x555555f76650) = 26754
[pid 26754] set_robust_list(0x555555f76660, 24) = 0
[pid 26754] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26754] setpgid(0, 0)               = 0
[pid 26754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26754] write(3, "1000", 4)         = 4
[pid 26754] close(3)                    = 0
executing program
[pid 26754] write(1, "executing program\n", 18) = 18
[pid 26754] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26754] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26754] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26754] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26754] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26754] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26754] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26754] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26754] exit_group(0)               = ?
[pid 26754] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26754, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26755
./strace-static-x86_64: Process 26755 attached
[pid 26755] set_robust_list(0x555555f76660, 24) = 0
[pid 26755] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26755] setpgid(0, 0)               = 0
[pid 26755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26755] write(3, "1000", 4)         = 4
[pid 26755] close(3)                    = 0
[pid 26755] write(1, "executing program\n", 18executing program
) = 18
[pid 26755] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26755] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26755] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26755] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26755] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26755] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26755] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26755] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26755] exit_group(0)               = ?
[pid 26755] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26755, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26756 attached
, child_tidptr=0x555555f76650) = 26756
[pid 26756] set_robust_list(0x555555f76660, 24) = 0
[pid 26756] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26756] setpgid(0, 0)               = 0
[pid 26756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26756] write(3, "1000", 4)         = 4
[pid 26756] close(3)                    = 0
executing program
[pid 26756] write(1, "executing program\n", 18) = 18
[pid 26756] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26756] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26756] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26756] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26756] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26756] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26756] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26756] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26756] exit_group(0)               = ?
[pid 26756] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26756, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26757 attached
, child_tidptr=0x555555f76650) = 26757
[pid 26757] set_robust_list(0x555555f76660, 24) = 0
[pid 26757] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26757] setpgid(0, 0)               = 0
[pid 26757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26757] write(3, "1000", 4)         = 4
[pid 26757] close(3)                    = 0
[pid 26757] write(1, "executing program\n", 18executing program
) = 18
[pid 26757] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26757] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26757] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26757] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26757] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26757] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26757] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26757] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26757] exit_group(0)               = ?
[pid 26757] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26757, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26759
./strace-static-x86_64: Process 26759 attached
[pid 26759] set_robust_list(0x555555f76660, 24) = 0
[pid 26759] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26759] setpgid(0, 0)               = 0
[pid 26759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26759] write(3, "1000", 4)         = 4
[pid 26759] close(3)                    = 0
executing program
[pid 26759] write(1, "executing program\n", 18) = 18
[pid 26759] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26759] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26759] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26759] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26759] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26759] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26759] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26759] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26759] exit_group(0)               = ?
[pid 26759] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26759, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
./strace-static-x86_64: Process 26760 attached
, child_tidptr=0x555555f76650) = 26760
[pid 26760] set_robust_list(0x555555f76660, 24) = 0
[pid 26760] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26760] setpgid(0, 0)               = 0
[pid 26760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26760] write(3, "1000", 4)         = 4
[pid 26760] close(3)                    = 0
[pid 26760] write(1, "executing program\n", 18) = 18
[pid 26760] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26760] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26760] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26760] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26760] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26760] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26760] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26760] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26760] exit_group(0)               = ?
[pid 26760] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26760, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26761 attached
, child_tidptr=0x555555f76650) = 26761
[pid 26761] set_robust_list(0x555555f76660, 24) = 0
[pid 26761] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26761] setpgid(0, 0)               = 0
[pid 26761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26761] write(3, "1000", 4)         = 4
[pid 26761] close(3)                    = 0
executing program
[pid 26761] write(1, "executing program\n", 18) = 18
[pid 26761] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26761] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26761] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26761] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26761] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26761] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26761] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26761] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26761] exit_group(0)               = ?
[pid 26761] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26761, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26762 attached
, child_tidptr=0x555555f76650) = 26762
[pid 26762] set_robust_list(0x555555f76660, 24) = 0
[pid 26762] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26762] setpgid(0, 0)               = 0
[pid 26762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26762] write(3, "1000", 4)         = 4
[pid 26762] close(3executing program
)                    = 0
[pid 26762] write(1, "executing program\n", 18) = 18
[pid 26762] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26762] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26762] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26762] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26762] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26762] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26762] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26762] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26762] exit_group(0)               = ?
[pid 26762] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26762, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26763
./strace-static-x86_64: Process 26763 attached
[pid 26763] set_robust_list(0x555555f76660, 24) = 0
[pid 26763] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26763] setpgid(0, 0)               = 0
[pid 26763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26763] write(3, "1000", 4)         = 4
[pid 26763] close(3)                    = 0
executing program
[pid 26763] write(1, "executing program\n", 18) = 18
[pid 26763] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26763] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26763] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26763] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26763] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26763] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26763] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26763] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26763] exit_group(0)               = ?
[pid 26763] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26763, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26764 attached
, child_tidptr=0x555555f76650) = 26764
[pid 26764] set_robust_list(0x555555f76660, 24) = 0
[pid 26764] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26764] setpgid(0, 0)               = 0
[pid 26764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26764] write(3, "1000", 4)         = 4
[pid 26764] close(3)                    = 0
[pid 26764] write(1, "executing program\n", 18executing program
) = 18
[pid 26764] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26764] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26764] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26764] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26764] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26764] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26764] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26764] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26764] exit_group(0)               = ?
[pid 26764] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26764, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26765 attached
, child_tidptr=0x555555f76650) = 26765
[pid 26765] set_robust_list(0x555555f76660, 24) = 0
[pid 26765] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26765] setpgid(0, 0)               = 0
[pid 26765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26765] write(3, "1000", 4)         = 4
[pid 26765] close(3)                    = 0
[pid 26765] write(1, "executing program\n", 18executing program
) = 18
[pid 26765] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26765] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26765] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26765] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26765] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26765] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26765] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26765] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26765] exit_group(0)               = ?
[pid 26765] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26765, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26766
./strace-static-x86_64: Process 26766 attached
[pid 26766] set_robust_list(0x555555f76660, 24) = 0
[pid 26766] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26766] setpgid(0, 0)               = 0
[pid 26766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26766] write(3, "1000", 4)         = 4
[pid 26766] close(3)                    = 0
executing program
[pid 26766] write(1, "executing program\n", 18) = 18
[pid 26766] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26766] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26766] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26766] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26766] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26766] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26766] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26766] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26766] exit_group(0)               = ?
[pid 26766] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26766, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26767
./strace-static-x86_64: Process 26767 attached
[pid 26767] set_robust_list(0x555555f76660, 24) = 0
[pid 26767] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26767] setpgid(0, 0)               = 0
[pid 26767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26767] write(3, "1000", 4)         = 4
[pid 26767] close(3)                    = 0
executing program
[pid 26767] write(1, "executing program\n", 18) = 18
[pid 26767] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26767] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26767] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26767] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26767] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26767] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26767] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26767] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26767] exit_group(0)               = ?
[pid 26767] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26767, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26768
./strace-static-x86_64: Process 26768 attached
[pid 26768] set_robust_list(0x555555f76660, 24) = 0
[pid 26768] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26768] setpgid(0, 0)               = 0
[pid 26768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26768] write(3, "1000", 4)         = 4
executing program
[pid 26768] close(3)                    = 0
[pid 26768] write(1, "executing program\n", 18) = 18
[pid 26768] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26768] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26768] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26768] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26768] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26768] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26768] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26768] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26768] exit_group(0)               = ?
[pid 26768] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26768, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26769
./strace-static-x86_64: Process 26769 attached
[pid 26769] set_robust_list(0x555555f76660, 24) = 0
[pid 26769] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26769] setpgid(0, 0)               = 0
[pid 26769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26769] write(3, "1000", 4)         = 4
[pid 26769] close(3executing program
)                    = 0
[pid 26769] write(1, "executing program\n", 18) = 18
[pid 26769] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26769] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26769] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26769] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26769] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26769] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26769] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26769] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26769] exit_group(0)               = ?
[pid 26769] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26769, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26770
./strace-static-x86_64: Process 26770 attached
[pid 26770] set_robust_list(0x555555f76660, 24) = 0
[pid 26770] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26770] setpgid(0, 0)               = 0
[pid 26770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26770] write(3, "1000", 4)         = 4
[pid 26770] close(3)                    = 0
[pid 26770] write(1, "executing program\n", 18executing program
) = 18
[pid 26770] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26770] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26770] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26770] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26770] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26770] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26770] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26770] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26770] exit_group(0)               = ?
[pid 26770] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26770, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26771
./strace-static-x86_64: Process 26771 attached
[pid 26771] set_robust_list(0x555555f76660, 24) = 0
[pid 26771] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26771] setpgid(0, 0)               = 0
[pid 26771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26771] write(3, "1000", 4)         = 4
[pid 26771] close(3)                    = 0
[pid 26771] write(1, "executing program\n", 18executing program
) = 18
[pid 26771] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26771] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26771] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26771] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26771] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26771] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26771] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26771] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26771] exit_group(0)               = ?
[pid 26771] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26771, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26772
./strace-static-x86_64: Process 26772 attached
[pid 26772] set_robust_list(0x555555f76660, 24) = 0
[pid 26772] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26772] setpgid(0, 0)               = 0
[pid 26772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26772] write(3, "1000", 4)         = 4
[pid 26772] close(3)                    = 0
[pid 26772] write(1, "executing program\n", 18executing program
) = 18
[pid 26772] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26772] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26772] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26772] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26772] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26772] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26772] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26772] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26772] exit_group(0)               = ?
[pid 26772] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26772, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26773 attached
, child_tidptr=0x555555f76650) = 26773
[pid 26773] set_robust_list(0x555555f76660, 24) = 0
[pid 26773] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26773] setpgid(0, 0)               = 0
[pid 26773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26773] write(3, "1000", 4)         = 4
[pid 26773] close(3)                    = 0
[pid 26773] write(1, "executing program\n", 18) = 18
[pid 26773] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26773] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26773] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26773] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26773] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26773] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26773] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26773] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26773] exit_group(0)               = ?
[pid 26773] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26773, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26774 attached
, child_tidptr=0x555555f76650) = 26774
[pid 26774] set_robust_list(0x555555f76660, 24) = 0
[pid 26774] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26774] setpgid(0, 0)               = 0
[pid 26774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26774] write(3, "1000", 4)         = 4
[pid 26774] close(3)                    = 0
[pid 26774] write(1, "executing program\n", 18) = 18
[pid 26774] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26774] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26774] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26774] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26774] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26774] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26774] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26774] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26774] exit_group(0)               = ?
[pid 26774] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26774, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26775 attached
, child_tidptr=0x555555f76650) = 26775
[pid 26775] set_robust_list(0x555555f76660, 24) = 0
[pid 26775] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26775] setpgid(0, 0)               = 0
[pid 26775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26775] write(3, "1000", 4)         = 4
[pid 26775] close(3)                    = 0
executing program
[pid 26775] write(1, "executing program\n", 18) = 18
[pid 26775] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26775] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26775] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26775] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26775] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26775] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26775] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26775] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26775] exit_group(0)               = ?
[pid 26775] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26775, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26776
./strace-static-x86_64: Process 26776 attached
[pid 26776] set_robust_list(0x555555f76660, 24) = 0
[pid 26776] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26776] setpgid(0, 0)               = 0
[pid 26776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26776] write(3, "1000", 4)         = 4
[pid 26776] close(3)                    = 0
executing program
[pid 26776] write(1, "executing program\n", 18) = 18
[pid 26776] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26776] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26776] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26776] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26776] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26776] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26776] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26776] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26776] exit_group(0)               = ?
[pid 26776] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26776, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26777 attached
, child_tidptr=0x555555f76650) = 26777
[pid 26777] set_robust_list(0x555555f76660, 24) = 0
[pid 26777] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26777] setpgid(0, 0)               = 0
[pid 26777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26777] write(3, "1000", 4)         = 4
[pid 26777] close(3)                    = 0
[pid 26777] write(1, "executing program\n", 18executing program
) = 18
[pid 26777] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26777] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26777] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26777] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26777] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26777] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26777] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26777] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26777] exit_group(0)               = ?
[pid 26777] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26777, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26778 attached
, child_tidptr=0x555555f76650) = 26778
[pid 26778] set_robust_list(0x555555f76660, 24executing program
) = 0
[pid 26778] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26778] setpgid(0, 0)               = 0
[pid 26778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26778] write(3, "1000", 4)         = 4
[pid 26778] close(3)                    = 0
[pid 26778] write(1, "executing program\n", 18) = 18
[pid 26778] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26778] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26778] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26778] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26778] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26778] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26778] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26778] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26778] exit_group(0)               = ?
[pid 26778] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26778, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26779 attached
, child_tidptr=0x555555f76650) = 26779
[pid 26779] set_robust_list(0x555555f76660, 24) = 0
[pid 26779] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26779] setpgid(0, 0)               = 0
[pid 26779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26779] write(3, "1000", 4)         = 4
[pid 26779] close(3executing program
)                    = 0
[pid 26779] write(1, "executing program\n", 18) = 18
[pid 26779] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26779] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26779] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26779] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26779] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26779] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26779] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26779] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26779] exit_group(0)               = ?
[pid 26779] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26779, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26780 attached
, child_tidptr=0x555555f76650) = 26780
[pid 26780] set_robust_list(0x555555f76660, 24) = 0
[pid 26780] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26780] setpgid(0, 0)               = 0
[pid 26780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26780] write(3, "1000", 4)         = 4
[pid 26780] close(3)                    = 0
executing program
[pid 26780] write(1, "executing program\n", 18) = 18
[pid 26780] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26780] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26780] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26780] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26780] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26780] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26780] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26780] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26780] exit_group(0)               = ?
[pid 26780] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26780, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26781
./strace-static-x86_64: Process 26781 attached
[pid 26781] set_robust_list(0x555555f76660, 24) = 0
[pid 26781] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26781] setpgid(0, 0)               = 0
[pid 26781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26781] write(3, "1000", 4)         = 4
[pid 26781] close(3)                    = 0
executing program
[pid 26781] write(1, "executing program\n", 18) = 18
[pid 26781] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26781] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26781] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26781] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26781] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26781] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26781] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26781] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26781] exit_group(0)               = ?
[pid 26781] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26781, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26782 attached
, child_tidptr=0x555555f76650) = 26782
[pid 26782] set_robust_list(0x555555f76660, 24) = 0
[pid 26782] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26782] setpgid(0, 0)               = 0
[pid 26782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26782] write(3, "1000", 4)         = 4
[pid 26782] close(3executing program
)                    = 0
[pid 26782] write(1, "executing program\n", 18) = 18
[pid 26782] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26782] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26782] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26782] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26782] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26782] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26782] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26782] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26782] exit_group(0)               = ?
[pid 26782] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26782, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26783 attached
, child_tidptr=0x555555f76650) = 26783
[pid 26783] set_robust_list(0x555555f76660, 24) = 0
[pid 26783] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26783] setpgid(0, 0)               = 0
[pid 26783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26783] write(3, "1000", 4)         = 4
[pid 26783] close(3)                    = 0
[pid 26783] write(1, "executing program\n", 18) = 18
[pid 26783] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26783] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26783] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26783] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26783] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26783] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26783] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26783] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26783] exit_group(0)               = ?
[pid 26783] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26783, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26784 attached
, child_tidptr=0x555555f76650) = 26784
[pid 26784] set_robust_list(0x555555f76660, 24) = 0
[pid 26784] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26784] setpgid(0, 0)               = 0
[pid 26784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26784] write(3, "1000", 4)         = 4
[pid 26784] close(3executing program
)                    = 0
[pid 26784] write(1, "executing program\n", 18) = 18
[pid 26784] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26784] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26784] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26784] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26784] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26784] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26784] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26784] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26784] exit_group(0)               = ?
[pid 26784] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26784, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26785 attached
, child_tidptr=0x555555f76650) = 26785
[pid 26785] set_robust_list(0x555555f76660, 24) = 0
[pid 26785] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26785] setpgid(0, 0)               = 0
[pid 26785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26785] write(3, "1000", 4)         = 4
executing program
[pid 26785] close(3)                    = 0
[pid 26785] write(1, "executing program\n", 18) = 18
[pid 26785] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26785] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26785] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26785] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26785] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26785] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26785] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26785] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26785] exit_group(0)               = ?
[pid 26785] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26785, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26786
./strace-static-x86_64: Process 26786 attached
[pid 26786] set_robust_list(0x555555f76660, 24) = 0
[pid 26786] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26786] setpgid(0, 0)               = 0
[pid 26786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26786] write(3, "1000", 4)         = 4
[pid 26786] close(3)                    = 0
[pid 26786] write(1, "executing program\n", 18executing program
) = 18
[pid 26786] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26786] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26786] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26786] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26786] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26786] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26786] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26786] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26786] exit_group(0)               = ?
[pid 26786] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26786, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26787
./strace-static-x86_64: Process 26787 attached
[pid 26787] set_robust_list(0x555555f76660, 24) = 0
[pid 26787] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26787] setpgid(0, 0)               = 0
[pid 26787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26787] write(3, "1000", 4)         = 4
[pid 26787] close(3)                    = 0
[pid 26787] write(1, "executing program\n", 18executing program
) = 18
[pid 26787] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26787] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26787] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26787] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26787] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26787] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26787] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26787] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26787] exit_group(0)               = ?
[pid 26787] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26787, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26788
./strace-static-x86_64: Process 26788 attached
[pid 26788] set_robust_list(0x555555f76660, 24) = 0
[pid 26788] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26788] setpgid(0, 0)               = 0
[pid 26788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26788] write(3, "1000", 4)         = 4
[pid 26788] close(3executing program
)                    = 0
[pid 26788] write(1, "executing program\n", 18) = 18
[pid 26788] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26788] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26788] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26788] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26788] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26788] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26788] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26788] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26788] exit_group(0)               = ?
[pid 26788] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26788, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26789 attached
, child_tidptr=0x555555f76650) = 26789
[pid 26789] set_robust_list(0x555555f76660, 24) = 0
[pid 26789] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26789] setpgid(0, 0)               = 0
[pid 26789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26789] write(3, "1000", 4)         = 4
[pid 26789] close(3)                    = 0
executing program
[pid 26789] write(1, "executing program\n", 18) = 18
[pid 26789] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26789] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26789] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26789] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26789] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26789] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26789] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26789] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26789] exit_group(0)               = ?
[pid 26789] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26789, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26790
./strace-static-x86_64: Process 26790 attached
[pid 26790] set_robust_list(0x555555f76660, 24) = 0
[pid 26790] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26790] setpgid(0, 0)               = 0
[pid 26790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26790] write(3, "1000", 4)         = 4
[pid 26790] close(3)                    = 0
executing program
[pid 26790] write(1, "executing program\n", 18) = 18
[pid 26790] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26790] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26790] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26790] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26790] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26790] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26790] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26790] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26790] exit_group(0)               = ?
[pid 26790] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26790, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26791 attached
, child_tidptr=0x555555f76650) = 26791
[pid 26791] set_robust_list(0x555555f76660, 24) = 0
[pid 26791] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26791] setpgid(0, 0)               = 0
[pid 26791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26791] write(3, "1000", 4)         = 4
[pid 26791] close(3)                    = 0
[pid 26791] write(1, "executing program\n", 18executing program
) = 18
[pid 26791] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26791] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26791] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26791] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26791] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26791] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26791] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26791] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26791] exit_group(0)               = ?
[pid 26791] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26791, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26792
./strace-static-x86_64: Process 26792 attached
[pid 26792] set_robust_list(0x555555f76660, 24) = 0
[pid 26792] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26792] setpgid(0, 0)               = 0
[pid 26792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26792] write(3, "1000", 4)         = 4
[pid 26792] close(3)                    = 0
executing program
[pid 26792] write(1, "executing program\n", 18) = 18
[pid 26792] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26792] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26792] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26792] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26792] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26792] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26792] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26792] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26792] exit_group(0)               = ?
[pid 26792] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26792, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26793 attached
, child_tidptr=0x555555f76650) = 26793
[pid 26793] set_robust_list(0x555555f76660, 24) = 0
[pid 26793] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26793] setpgid(0, 0)               = 0
[pid 26793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26793] write(3, "1000", 4)         = 4
[pid 26793] close(3executing program
)                    = 0
[pid 26793] write(1, "executing program\n", 18) = 18
[pid 26793] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26793] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26793] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26793] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26793] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26793] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26793] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26793] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26793] exit_group(0)               = ?
[pid 26793] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26793, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26794 attached
, child_tidptr=0x555555f76650) = 26794
[pid 26794] set_robust_list(0x555555f76660, 24) = 0
[pid 26794] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26794] setpgid(0, 0)               = 0
[pid 26794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26794] write(3, "1000", 4)         = 4
[pid 26794] close(3executing program
)                    = 0
[pid 26794] write(1, "executing program\n", 18) = 18
[pid 26794] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26794] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26794] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26794] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26794] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26794] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26794] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26794] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26794] exit_group(0)               = ?
[pid 26794] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26794, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26795 attached
, child_tidptr=0x555555f76650) = 26795
[pid 26795] set_robust_list(0x555555f76660, 24) = 0
[pid 26795] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26795] setpgid(0, 0)               = 0
[pid 26795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26795] write(3, "1000", 4)         = 4
[pid 26795] close(3)                    = 0
executing program
[pid 26795] write(1, "executing program\n", 18) = 18
[pid 26795] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26795] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26795] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26795] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26795] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26795] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26795] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26795] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26795] exit_group(0)               = ?
[pid 26795] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26795, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26796 attached
, child_tidptr=0x555555f76650) = 26796
[pid 26796] set_robust_list(0x555555f76660, 24) = 0
[pid 26796] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26796] setpgid(0, 0)               = 0
[pid 26796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26796] write(3, "1000", 4)         = 4
[pid 26796] close(3)                    = 0
[pid 26796] write(1, "executing program\n", 18executing program
) = 18
[pid 26796] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26796] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26796] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26796] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26796] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26796] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26796] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26796] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26796] exit_group(0)               = ?
[pid 26796] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26796, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26797
./strace-static-x86_64: Process 26797 attached
[pid 26797] set_robust_list(0x555555f76660, 24) = 0
[pid 26797] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26797] setpgid(0, 0)               = 0
[pid 26797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26797] write(3, "1000", 4)         = 4
[pid 26797] close(3)                    = 0
executing program
[pid 26797] write(1, "executing program\n", 18) = 18
[pid 26797] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26797] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26797] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26797] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26797] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26797] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26797] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26797] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26797] exit_group(0)               = ?
[pid 26797] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26797, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26798
./strace-static-x86_64: Process 26798 attached
[pid 26798] set_robust_list(0x555555f76660, 24) = 0
[pid 26798] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26798] setpgid(0, 0)               = 0
[pid 26798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26798] write(3, "1000", 4)         = 4
[pid 26798] close(3)                    = 0
executing program
[pid 26798] write(1, "executing program\n", 18) = 18
[pid 26798] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26798] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26798] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26798] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26798] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26798] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26798] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26798] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26798] exit_group(0)               = ?
[pid 26798] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26798, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26799 attached
, child_tidptr=0x555555f76650) = 26799
[pid 26799] set_robust_list(0x555555f76660, 24) = 0
[pid 26799] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26799] setpgid(0, 0)               = 0
[pid 26799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26799] write(3, "1000", 4)         = 4
[pid 26799] close(3)                    = 0
[pid 26799] write(1, "executing program\n", 18) = 18
[pid 26799] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26799] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26799] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26799] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26799] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26799] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26799] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26799] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26799] exit_group(0)               = ?
[pid 26799] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26799, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26800 attached
, child_tidptr=0x555555f76650) = 26800
[pid 26800] set_robust_list(0x555555f76660, 24) = 0
[pid 26800] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26800] setpgid(0, 0)               = 0
[pid 26800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26800] write(3, "1000", 4)         = 4
[pid 26800] close(3)                    = 0
[pid 26800] write(1, "executing program\n", 18) = 18
[pid 26800] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26800] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26800] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26800] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26800] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26800] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26800] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26800] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26800] exit_group(0)               = ?
[pid 26800] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26800, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26801 attached
, child_tidptr=0x555555f76650) = 26801
[pid 26801] set_robust_list(0x555555f76660, 24) = 0
[pid 26801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26801] setpgid(0, 0)               = 0
[pid 26801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26801] write(3, "1000", 4)         = 4
[pid 26801] close(3)                    = 0
executing program
[pid 26801] write(1, "executing program\n", 18) = 18
[pid 26801] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26801] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26801] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26801] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26801] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26801] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26801] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26801] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26801] exit_group(0)               = ?
[pid 26801] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26801, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26802 attached
, child_tidptr=0x555555f76650) = 26802
[pid 26802] set_robust_list(0x555555f76660, 24) = 0
[pid 26802] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26802] setpgid(0, 0)               = 0
[pid 26802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
executing program
[pid 26802] write(3, "1000", 4)         = 4
[pid 26802] close(3)                    = 0
[pid 26802] write(1, "executing program\n", 18) = 18
[pid 26802] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26802] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26802] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26802] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26802] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26802] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26802] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26802] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26802] exit_group(0)               = ?
[pid 26802] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26802, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26803 attached
, child_tidptr=0x555555f76650) = 26803
[pid 26803] set_robust_list(0x555555f76660, 24) = 0
[pid 26803] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26803] setpgid(0, 0)               = 0
[pid 26803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26803] write(3, "1000", 4)         = 4
[pid 26803] close(3)                    = 0
executing program
[pid 26803] write(1, "executing program\n", 18) = 18
[pid 26803] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26803] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26803] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26803] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26803] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26803] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26803] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26803] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26803] exit_group(0)               = ?
[pid 26803] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26803, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26804
./strace-static-x86_64: Process 26804 attached
[pid 26804] set_robust_list(0x555555f76660, 24) = 0
[pid 26804] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26804] setpgid(0, 0)               = 0
[pid 26804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26804] write(3, "1000", 4)         = 4
[pid 26804] close(3)                    = 0
[pid 26804] write(1, "executing program\n", 18executing program
) = 18
[pid 26804] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26804] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26804] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26804] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26804] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26804] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26804] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26804] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26804] exit_group(0)               = ?
[pid 26804] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26804, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26805
./strace-static-x86_64: Process 26805 attached
[pid 26805] set_robust_list(0x555555f76660, 24) = 0
[pid 26805] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26805] setpgid(0, 0)               = 0
[pid 26805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26805] write(3, "1000", 4)         = 4
[pid 26805] close(3)                    = 0
[pid 26805] write(1, "executing program\n", 18executing program
) = 18
[pid 26805] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26805] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26805] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26805] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26805] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26805] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26805] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26805] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26805] exit_group(0)               = ?
[pid 26805] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26805, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26806 attached
, child_tidptr=0x555555f76650) = 26806
[pid 26806] set_robust_list(0x555555f76660, 24) = 0
[pid 26806] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26806] setpgid(0, 0)               = 0
[pid 26806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26806] write(3, "1000", 4)         = 4
[pid 26806] close(3)                    = 0
[pid 26806] write(1, "executing program\n", 18executing program
) = 18
[pid 26806] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26806] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26806] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26806] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26806] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26806] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26806] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26806] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26806] exit_group(0)               = ?
[pid 26806] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26806, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26807
./strace-static-x86_64: Process 26807 attached
[pid 26807] set_robust_list(0x555555f76660, 24) = 0
[pid 26807] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26807] setpgid(0, 0)               = 0
[pid 26807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26807] write(3, "1000", 4)         = 4
[pid 26807] close(3)                    = 0
[pid 26807] write(1, "executing program\n", 18executing program
) = 18
[pid 26807] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26807] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26807] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26807] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26807] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26807] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26807] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26807] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26807] exit_group(0)               = ?
[pid 26807] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26807, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26808 attached
, child_tidptr=0x555555f76650) = 26808
[pid 26808] set_robust_list(0x555555f76660, 24) = 0
[pid 26808] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26808] setpgid(0, 0)               = 0
[pid 26808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26808] write(3, "1000", 4)         = 4
executing program
[pid 26808] close(3)                    = 0
[pid 26808] write(1, "executing program\n", 18) = 18
[pid 26808] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26808] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26808] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26808] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26808] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26808] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26808] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26808] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26808] exit_group(0)               = ?
[pid 26808] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26808, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26809 attached
, child_tidptr=0x555555f76650) = 26809
[pid 26809] set_robust_list(0x555555f76660, 24) = 0
[pid 26809] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26809] setpgid(0, 0)               = 0
[pid 26809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26809] write(3, "1000", 4)         = 4
[pid 26809] close(3executing program
)                    = 0
[pid 26809] write(1, "executing program\n", 18) = 18
[pid 26809] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26809] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26809] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26809] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26809] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26809] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26809] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26809] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26809] exit_group(0)               = ?
[pid 26809] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26809, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26810 attached
, child_tidptr=0x555555f76650) = 26810
[pid 26810] set_robust_list(0x555555f76660, 24) = 0
[pid 26810] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26810] setpgid(0, 0)               = 0
[pid 26810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26810] write(3, "1000", 4)         = 4
[pid 26810] close(3)                    = 0
[pid 26810] write(1, "executing program\n", 18) = 18
[pid 26810] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26810] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26810] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26810] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26810] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26810] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26810] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26810] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26810] exit_group(0)               = ?
[pid 26810] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26810, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26811 attached
, child_tidptr=0x555555f76650) = 26811
[pid 26811] set_robust_list(0x555555f76660, 24) = 0
[pid 26811] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26811] setpgid(0, 0)               = 0
[pid 26811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26811] write(3, "1000", 4)         = 4
[pid 26811] close(3)                    = 0
[pid 26811] write(1, "executing program\n", 18) = 18
[pid 26811] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26811] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26811] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26811] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26811] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26811] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26811] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26811] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26811] exit_group(0)               = ?
[pid 26811] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26811, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>executing program
) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26812 attached
, child_tidptr=0x555555f76650) = 26812
[pid 26812] set_robust_list(0x555555f76660, 24) = 0
[pid 26812] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26812] setpgid(0, 0)               = 0
[pid 26812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26812] write(3, "1000", 4)         = 4
[pid 26812] close(3)                    = 0
[pid 26812] write(1, "executing program\n", 18) = 18
[pid 26812] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26812] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26812] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26812] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26812] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26812] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26812] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26812] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26812] exit_group(0)               = ?
[pid 26812] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26812, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26813 attached
, child_tidptr=0x555555f76650) = 26813
[pid 26813] set_robust_list(0x555555f76660, 24) = 0
[pid 26813] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26813] setpgid(0, 0)               = 0
[pid 26813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26813] write(3, "1000", 4)         = 4
[pid 26813] close(3)                    = 0
[pid 26813] write(1, "executing program\n", 18) = 18
[pid 26813] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26813] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26813] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26813] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26813] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26813] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26813] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26813] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26813] exit_group(0)               = ?
[pid 26813] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26813, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26814
./strace-static-x86_64: Process 26814 attached
[pid 26814] set_robust_list(0x555555f76660, 24) = 0
[pid 26814] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26814] setpgid(0, 0)               = 0
[pid 26814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26814] write(3, "1000", 4)         = 4
[pid 26814] close(3)                    = 0
executing program
[pid 26814] write(1, "executing program\n", 18) = 18
[pid 26814] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26814] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26814] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26814] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26814] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26814] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26814] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26814] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26814] exit_group(0)               = ?
[pid 26814] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26814, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26815 attached
, child_tidptr=0x555555f76650) = 26815
[pid 26815] set_robust_list(0x555555f76660, 24) = 0
[pid 26815] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26815] setpgid(0, 0)               = 0
[pid 26815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26815] write(3, "1000", 4)         = 4
[pid 26815] close(3)                    = 0
executing program
[pid 26815] write(1, "executing program\n", 18) = 18
[pid 26815] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26815] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26815] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26815] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26815] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26815] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26815] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26815] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26815] exit_group(0)               = ?
[pid 26815] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26815, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26816 attached
, child_tidptr=0x555555f76650) = 26816
[pid 26816] set_robust_list(0x555555f76660, 24) = 0
[pid 26816] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26816] setpgid(0, 0)               = 0
[pid 26816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26816] write(3, "1000", 4)         = 4
[pid 26816] close(3)                    = 0
executing program
[pid 26816] write(1, "executing program\n", 18) = 18
[pid 26816] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26816] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26816] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26816] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26816] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26816] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26816] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26816] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26816] exit_group(0)               = ?
[pid 26816] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26816, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26817
./strace-static-x86_64: Process 26817 attached
[pid 26817] set_robust_list(0x555555f76660, 24) = 0
[pid 26817] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26817] setpgid(0, 0)               = 0
[pid 26817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26817] write(3, "1000", 4)         = 4
[pid 26817] close(3)                    = 0
[pid 26817] write(1, "executing program\n", 18executing program
) = 18
[pid 26817] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26817] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26817] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26817] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26817] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26817] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26817] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26817] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26817] exit_group(0)               = ?
[pid 26817] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26817, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26818
./strace-static-x86_64: Process 26818 attached
[pid 26818] set_robust_list(0x555555f76660, 24) = 0
[pid 26818] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26818] setpgid(0, 0)               = 0
[pid 26818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26818] write(3, "1000", 4)         = 4
[pid 26818] close(3)                    = 0
executing program
[pid 26818] write(1, "executing program\n", 18) = 18
[pid 26818] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26818] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26818] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26818] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26818] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26818] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26818] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26818] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26818] exit_group(0)               = ?
[pid 26818] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26818, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26819
./strace-static-x86_64: Process 26819 attached
[pid 26819] set_robust_list(0x555555f76660, 24) = 0
[pid 26819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26819] setpgid(0, 0)               = 0
[pid 26819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26819] write(3, "1000", 4)         = 4
[pid 26819] close(3)                    = 0
[pid 26819] write(1, "executing program\n", 18executing program
) = 18
[pid 26819] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26819] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26819] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26819] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26819] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26819] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26819] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26819] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26819] exit_group(0)               = ?
[pid 26819] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26819, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26820
./strace-static-x86_64: Process 26820 attached
[pid 26820] set_robust_list(0x555555f76660, 24) = 0
[pid 26820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26820] setpgid(0, 0)               = 0
[pid 26820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26820] write(3, "1000", 4)         = 4
[pid 26820] close(3executing program
)                    = 0
[pid 26820] write(1, "executing program\n", 18) = 18
[pid 26820] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26820] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26820] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26820] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26820] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26820] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26820] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26820] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26820] exit_group(0)               = ?
[pid 26820] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26820, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26821 attached
, child_tidptr=0x555555f76650) = 26821
[pid 26821] set_robust_list(0x555555f76660, 24) = 0
[pid 26821] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26821] setpgid(0, 0)               = 0
[pid 26821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26821] write(3, "1000", 4)         = 4
[pid 26821] close(3)                    = 0
[pid 26821] write(1, "executing program\n", 18executing program
) = 18
[pid 26821] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26821] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26821] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26821] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26821] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26821] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26821] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26821] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26821] exit_group(0)               = ?
[pid 26821] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26821, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26822
./strace-static-x86_64: Process 26822 attached
[pid 26822] set_robust_list(0x555555f76660, 24) = 0
[pid 26822] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26822] setpgid(0, 0)               = 0
[pid 26822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26822] write(3, "1000", 4)         = 4
[pid 26822] close(3)                    = 0
executing program
[pid 26822] write(1, "executing program\n", 18) = 18
[pid 26822] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26822] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26822] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26822] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26822] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26822] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26822] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26822] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26822] exit_group(0)               = ?
[pid 26822] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26822, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26823 attached
, child_tidptr=0x555555f76650) = 26823
[pid 26823] set_robust_list(0x555555f76660, 24) = 0
[pid 26823] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26823] setpgid(0, 0)               = 0
[pid 26823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26823] write(3, "1000", 4)         = 4
[pid 26823] close(3)                    = 0
[pid 26823] write(1, "executing program\n", 18) = 18
[pid 26823] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26823] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26823] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26823] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26823] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26823] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26823] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26823] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26823] exit_group(0)               = ?
[pid 26823] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26823, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26824 attached
, child_tidptr=0x555555f76650) = 26824
[pid 26824] set_robust_list(0x555555f76660, 24) = 0
[pid 26824] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26824] setpgid(0, 0)               = 0
[pid 26824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26824] write(3, "1000", 4)         = 4
executing program
[pid 26824] close(3)                    = 0
[pid 26824] write(1, "executing program\n", 18) = 18
[pid 26824] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26824] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26824] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26824] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26824] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26824] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26824] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26824] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26824] exit_group(0)               = ?
[pid 26824] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26824, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26825 attached
, child_tidptr=0x555555f76650) = 26825
[pid 26825] set_robust_list(0x555555f76660, 24) = 0
[pid 26825] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26825] setpgid(0, 0)               = 0
[pid 26825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26825] write(3, "1000", 4)         = 4
[pid 26825] close(3)                    = 0
[pid 26825] write(1, "executing program\n", 18executing program
) = 18
[pid 26825] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26825] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26825] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26825] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26825] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26825] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26825] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26825] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26825] exit_group(0)               = ?
[pid 26825] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26825, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26826 attached
, child_tidptr=0x555555f76650) = 26826
[pid 26826] set_robust_list(0x555555f76660, 24) = 0
[pid 26826] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26826] setpgid(0, 0)               = 0
[pid 26826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26826] write(3, "1000", 4)         = 4
[pid 26826] close(3)                    = 0
[pid 26826] write(1, "executing program\n", 18executing program
) = 18
[pid 26826] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26826] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26826] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26826] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26826] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26826] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26826] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26826] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26826] exit_group(0)               = ?
[pid 26826] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26826, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26827 attached
, child_tidptr=0x555555f76650) = 26827
[pid 26827] set_robust_list(0x555555f76660, 24) = 0
[pid 26827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26827] setpgid(0, 0)               = 0
[pid 26827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26827] write(3, "1000", 4)         = 4
[pid 26827] close(3executing program
)                    = 0
[pid 26827] write(1, "executing program\n", 18) = 18
[pid 26827] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26827] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26827] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26827] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26827] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26827] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26827] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26827] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26827] exit_group(0)               = ?
[pid 26827] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26827, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26828 attached
, child_tidptr=0x555555f76650) = 26828
[pid 26828] set_robust_list(0x555555f76660, 24) = 0
[pid 26828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26828] setpgid(0, 0)               = 0
[pid 26828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26828] write(3, "1000", 4)         = 4
[pid 26828] close(3executing program
)                    = 0
[pid 26828] write(1, "executing program\n", 18) = 18
[pid 26828] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26828] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26828] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26828] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26828] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26828] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26828] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26828] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26828] exit_group(0)               = ?
[pid 26828] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26828, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26829 attached
, child_tidptr=0x555555f76650) = 26829
[pid 26829] set_robust_list(0x555555f76660, 24) = 0
[pid 26829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26829] setpgid(0, 0)               = 0
[pid 26829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26829] write(3, "1000", 4)         = 4
[pid 26829] close(3)                    = 0
[pid 26829] write(1, "executing program\n", 18executing program
) = 18
[pid 26829] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26829] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26829] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26829] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26829] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26829] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26829] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26829] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26829] exit_group(0)               = ?
[pid 26829] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26829, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26830
./strace-static-x86_64: Process 26830 attached
[pid 26830] set_robust_list(0x555555f76660, 24) = 0
[pid 26830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26830] setpgid(0, 0)               = 0
[pid 26830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26830] write(3, "1000", 4)         = 4
[pid 26830] close(3)                    = 0
[pid 26830] write(1, "executing program\n", 18executing program
) = 18
[pid 26830] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26830] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26830] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26830] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26830] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26830] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26830] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26830] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26830] exit_group(0)               = ?
[pid 26830] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26830, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26831 attached
, child_tidptr=0x555555f76650) = 26831
[pid 26831] set_robust_list(0x555555f76660, 24) = 0
[pid 26831] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26831] setpgid(0, 0)               = 0
[pid 26831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26831] write(3, "1000", 4)         = 4
[pid 26831] close(3)                    = 0
[pid 26831] write(1, "executing program\n", 18executing program
) = 18
[pid 26831] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26831] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26831] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26831] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26831] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26831] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26831] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26831] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26831] exit_group(0)               = ?
[pid 26831] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26831, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26832 attached
, child_tidptr=0x555555f76650) = 26832
[pid 26832] set_robust_list(0x555555f76660, 24) = 0
[pid 26832] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26832] setpgid(0, 0)               = 0
[pid 26832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26832] write(3, "1000", 4)         = 4
[pid 26832] close(3executing program
)                    = 0
[pid 26832] write(1, "executing program\n", 18) = 18
[pid 26832] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26832] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26832] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26832] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26832] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26832] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26832] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26832] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26832] exit_group(0)               = ?
[pid 26832] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26832, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26833
./strace-static-x86_64: Process 26833 attached
[pid 26833] set_robust_list(0x555555f76660, 24) = 0
[pid 26833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26833] setpgid(0, 0)               = 0
[pid 26833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26833] write(3, "1000", 4)         = 4
[pid 26833] close(3executing program
)                    = 0
[pid 26833] write(1, "executing program\n", 18) = 18
[pid 26833] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26833] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26833] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26833] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26833] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26833] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26833] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26833] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26833] exit_group(0)               = ?
[pid 26833] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26833, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26834 attached
, child_tidptr=0x555555f76650) = 26834
[pid 26834] set_robust_list(0x555555f76660, 24) = 0
[pid 26834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26834] setpgid(0, 0)               = 0
[pid 26834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26834] write(3, "1000", 4)         = 4
[pid 26834] close(3)                    = 0
[pid 26834] write(1, "executing program\n", 18executing program
) = 18
[pid 26834] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26834] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26834] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26834] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26834] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26834] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26834] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26834] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26834] exit_group(0)               = ?
[pid 26834] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26834, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26835 attached
, child_tidptr=0x555555f76650) = 26835
[pid 26835] set_robust_list(0x555555f76660, 24) = 0
[pid 26835] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26835] setpgid(0, 0)               = 0
[pid 26835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26835] write(3, "1000", 4)         = 4
[pid 26835] close(3)                    = 0
[pid 26835] write(1, "executing program\n", 18) = 18
[pid 26835] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26835] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26835] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26835] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26835] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26835] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26835] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26835] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26835] exit_group(0)               = ?
[pid 26835] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26835, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26836
./strace-static-x86_64: Process 26836 attached
[pid 26836] set_robust_list(0x555555f76660, 24) = 0
[pid 26836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26836] setpgid(0, 0)               = 0
[pid 26836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26836] write(3, "1000", 4)         = 4
[pid 26836] close(3executing program
)                    = 0
[pid 26836] write(1, "executing program\n", 18) = 18
[pid 26836] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26836] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26836] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26836] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26836] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26836] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26836] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26836] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26836] exit_group(0)               = ?
[pid 26836] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26836, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26837 attached
, child_tidptr=0x555555f76650) = 26837
[pid 26837] set_robust_list(0x555555f76660, 24) = 0
[pid 26837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26837] setpgid(0, 0)               = 0
[pid 26837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26837] write(3, "1000", 4)         = 4
[pid 26837] close(3)                    = 0
[pid 26837] write(1, "executing program\n", 18executing program
) = 18
[pid 26837] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26837] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26837] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26837] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26837] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26837] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26837] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26837] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26837] exit_group(0)               = ?
[pid 26837] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26837, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26838 attached
, child_tidptr=0x555555f76650) = 26838
[pid 26838] set_robust_list(0x555555f76660, 24) = 0
[pid 26838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26838] setpgid(0, 0)               = 0
[pid 26838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26838] write(3, "1000", 4)         = 4
[pid 26838] close(3)                    = 0
executing program
[pid 26838] write(1, "executing program\n", 18) = 18
[pid 26838] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26838] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26838] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26838] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26838] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26838] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26838] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26838] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26838] exit_group(0)               = ?
[pid 26838] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26838, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26839 attached
, child_tidptr=0x555555f76650) = 26839
[pid 26839] set_robust_list(0x555555f76660, 24) = 0
[pid 26839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26839] setpgid(0, 0)               = 0
[pid 26839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26839] write(3, "1000", 4)         = 4
[pid 26839] close(3)                    = 0
executing program
[pid 26839] write(1, "executing program\n", 18) = 18
[pid 26839] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26839] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26839] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26839] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26839] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26839] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26839] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26839] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26839] exit_group(0)               = ?
[pid 26839] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26839, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26840 attached
, child_tidptr=0x555555f76650) = 26840
[pid 26840] set_robust_list(0x555555f76660, 24) = 0
[pid 26840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26840] setpgid(0, 0)               = 0
[pid 26840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26840] write(3, "1000", 4)         = 4
[pid 26840] close(3)                    = 0
[pid 26840] write(1, "executing program\n", 18executing program
) = 18
[pid 26840] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26840] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26840] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26840] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26840] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26840] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26840] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26840] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26840] exit_group(0)               = ?
[pid 26840] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26840, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26841 attached
, child_tidptr=0x555555f76650) = 26841
[pid 26841] set_robust_list(0x555555f76660, 24) = 0
[pid 26841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26841] setpgid(0, 0)               = 0
[pid 26841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26841] write(3, "1000", 4)         = 4
[pid 26841] close(3)                    = 0
[pid 26841] write(1, "executing program\n", 18executing program
) = 18
[pid 26841] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26841] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26841] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26841] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26841] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26841] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26841] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26841] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26841] exit_group(0)               = ?
[pid 26841] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26841, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26842 attached
, child_tidptr=0x555555f76650) = 26842
[pid 26842] set_robust_list(0x555555f76660, 24) = 0
[pid 26842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26842] setpgid(0, 0)               = 0
[pid 26842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26842] write(3, "1000", 4)         = 4
[pid 26842] close(3)                    = 0
[pid 26842] write(1, "executing program\n", 18executing program
) = 18
[pid 26842] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26842] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26842] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26842] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26842] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26842] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26842] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26842] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26842] exit_group(0)               = ?
[pid 26842] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26842, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26843 attached
, child_tidptr=0x555555f76650) = 26843
[pid 26843] set_robust_list(0x555555f76660, 24) = 0
[pid 26843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26843] setpgid(0, 0)               = 0
[pid 26843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26843] write(3, "1000", 4)         = 4
[pid 26843] close(3)                    = 0
[pid 26843] write(1, "executing program\n", 18) = 18
[pid 26843] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26843] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26843] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26843] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26843] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26843] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26843] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26843] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26843] exit_group(0)               = ?
[pid 26843] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26843, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26844 attached
, child_tidptr=0x555555f76650) = 26844
[pid 26844] set_robust_list(0x555555f76660, 24) = 0
[pid 26844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26844] setpgid(0, 0)               = 0
[pid 26844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26844] write(3, "1000", 4)         = 4
[pid 26844] close(3)                    = 0
executing program
[pid 26844] write(1, "executing program\n", 18) = 18
[pid 26844] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26844] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26844] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26844] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26844] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26844] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26844] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26844] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26844] exit_group(0)               = ?
[pid 26844] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26844, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26845
./strace-static-x86_64: Process 26845 attached
[pid 26845] set_robust_list(0x555555f76660, 24) = 0
[pid 26845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26845] setpgid(0, 0)               = 0
[pid 26845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26845] write(3, "1000", 4)         = 4
[pid 26845] close(3)                    = 0
[pid 26845] write(1, "executing program\n", 18) = 18
[pid 26845] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26845] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26845] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26845] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26845] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26845] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26845] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26845] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26845] exit_group(0)               = ?
[pid 26845] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26845, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26847 attached
, child_tidptr=0x555555f76650) = 26847
[pid 26847] set_robust_list(0x555555f76660, 24) = 0
[pid 26847] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26847] setpgid(0, 0)               = 0
[pid 26847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26847] write(3, "1000", 4)         = 4
[pid 26847] close(3)                    = 0
[pid 26847] write(1, "executing program\n", 18executing program
) = 18
[pid 26847] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26847] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26847] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26847] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26847] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26847] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26847] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26847] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26847] exit_group(0)               = ?
[pid 26847] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26847, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26848 attached
, child_tidptr=0x555555f76650) = 26848
[pid 26848] set_robust_list(0x555555f76660, 24) = 0
[pid 26848] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26848] setpgid(0, 0)               = 0
[pid 26848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26848] write(3, "1000", 4executing program
)         = 4
[pid 26848] close(3)                    = 0
[pid 26848] write(1, "executing program\n", 18) = 18
[pid 26848] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26848] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26848] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26848] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26848] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26848] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26848] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26848] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26848] exit_group(0)               = ?
[pid 26848] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26848, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26849 attached
, child_tidptr=0x555555f76650) = 26849
[pid 26849] set_robust_list(0x555555f76660, 24) = 0
[pid 26849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26849] setpgid(0, 0)               = 0
[pid 26849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26849] write(3, "1000", 4)         = 4
[pid 26849] close(3)                    = 0
[pid 26849] write(1, "executing program\n", 18executing program
) = 18
[pid 26849] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26849] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26849] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26849] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26849] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26849] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26849] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26849] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26849] exit_group(0)               = ?
[pid 26849] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26849, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26850 attached
, child_tidptr=0x555555f76650) = 26850
[pid 26850] set_robust_list(0x555555f76660, 24) = 0
[pid 26850] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26850] setpgid(0, 0)               = 0
[pid 26850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26850] write(3, "1000", 4)         = 4
[pid 26850] close(3)                    = 0
[pid 26850] write(1, "executing program\n", 18executing program
) = 18
[pid 26850] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26850] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26850] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26850] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26850] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26850] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26850] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26850] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26850] exit_group(0)               = ?
[pid 26850] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26850, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26851
./strace-static-x86_64: Process 26851 attached
[pid 26851] set_robust_list(0x555555f76660, 24) = 0
[pid 26851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26851] setpgid(0, 0)               = 0
[pid 26851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26851] write(3, "1000", 4)         = 4
[pid 26851] close(3executing program
)                    = 0
[pid 26851] write(1, "executing program\n", 18) = 18
[pid 26851] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26851] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26851] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26851] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26851] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26851] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26851] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26851] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26851] exit_group(0)               = ?
[pid 26851] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26851, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26852 attached
, child_tidptr=0x555555f76650) = 26852
[pid 26852] set_robust_list(0x555555f76660, 24) = 0
[pid 26852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26852] setpgid(0, 0)               = 0
[pid 26852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26852] write(3, "1000", 4)         = 4
executing program
[pid 26852] close(3)                    = 0
[pid 26852] write(1, "executing program\n", 18) = 18
[pid 26852] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26852] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26852] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26852] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26852] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26852] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26852] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26852] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26852] exit_group(0)               = ?
[pid 26852] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26852, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26853
./strace-static-x86_64: Process 26853 attached
[pid 26853] set_robust_list(0x555555f76660, 24) = 0
[pid 26853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26853] setpgid(0, 0)               = 0
[pid 26853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26853] write(3, "1000", 4)         = 4
[pid 26853] close(3)                    = 0
[pid 26853] write(1, "executing program\n", 18executing program
) = 18
[pid 26853] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26853] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26853] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26853] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26853] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26853] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26853] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26853] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26853] exit_group(0)               = ?
[pid 26853] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26853, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26854
./strace-static-x86_64: Process 26854 attached
[pid 26854] set_robust_list(0x555555f76660, 24) = 0
[pid 26854] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26854] setpgid(0, 0)               = 0
[pid 26854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26854] write(3, "1000", 4)         = 4
[pid 26854] close(3)                    = 0
[pid 26854] write(1, "executing program\n", 18executing program
) = 18
[pid 26854] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26854] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26854] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26854] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26854] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26854] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26854] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26854] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26854] exit_group(0)               = ?
[pid 26854] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26854, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26855 attached
, child_tidptr=0x555555f76650) = 26855
[pid 26855] set_robust_list(0x555555f76660, 24) = 0
[pid 26855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26855] setpgid(0, 0)               = 0
[pid 26855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26855] write(3, "1000", 4)         = 4
[pid 26855] close(3)                    = 0
[pid 26855] write(1, "executing program\n", 18executing program
) = 18
[pid 26855] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26855] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26855] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26855] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26855] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26855] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26855] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26855] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26855] exit_group(0)               = ?
[pid 26855] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26855, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26856
./strace-static-x86_64: Process 26856 attached
[pid 26856] set_robust_list(0x555555f76660, 24) = 0
[pid 26856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26856] setpgid(0, 0)               = 0
[pid 26856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26856] write(3, "1000", 4)         = 4
[pid 26856] close(3)                    = 0
[pid 26856] write(1, "executing program\n", 18executing program
) = 18
[pid 26856] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26856] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26856] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26856] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26856] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26856] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26856] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26856] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26856] exit_group(0)               = ?
[pid 26856] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26856, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26857
./strace-static-x86_64: Process 26857 attached
[pid 26857] set_robust_list(0x555555f76660, 24) = 0
[pid 26857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26857] setpgid(0, 0)               = 0
[pid 26857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26857] write(3, "1000", 4)         = 4
[pid 26857] close(3)                    = 0
[pid 26857] write(1, "executing program\n", 18executing program
) = 18
[pid 26857] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26857] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26857] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26857] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26857] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26857] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26857] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26857] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26857] exit_group(0)               = ?
[pid 26857] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26857, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26858 attached
, child_tidptr=0x555555f76650) = 26858
[pid 26858] set_robust_list(0x555555f76660, 24) = 0
[pid 26858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26858] setpgid(0, 0)               = 0
[pid 26858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26858] write(3, "1000", 4)         = 4
[pid 26858] close(3executing program
)                    = 0
[pid 26858] write(1, "executing program\n", 18) = 18
[pid 26858] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26858] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26858] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26858] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26858] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26858] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26858] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26858] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26858] exit_group(0)               = ?
[pid 26858] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26858, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26859 attached
, child_tidptr=0x555555f76650) = 26859
[pid 26859] set_robust_list(0x555555f76660, 24) = 0
[pid 26859] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26859] setpgid(0, 0)               = 0
[pid 26859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26859] write(3, "1000", 4)         = 4
[pid 26859] close(3)                    = 0
[pid 26859] write(1, "executing program\n", 18executing program
) = 18
[pid 26859] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26859] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26859] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26859] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26859] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26859] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26859] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26859] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26859] exit_group(0)               = ?
[pid 26859] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26859, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26860
./strace-static-x86_64: Process 26860 attached
[pid 26860] set_robust_list(0x555555f76660, 24) = 0
[pid 26860] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26860] setpgid(0, 0)               = 0
[pid 26860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26860] write(3, "1000", 4)         = 4
[pid 26860] close(3)                    = 0
[pid 26860] write(1, "executing program\n", 18executing program
) = 18
[pid 26860] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26860] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26860] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26860] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26860] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26860] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26860] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26860] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26860] exit_group(0)               = ?
[pid 26860] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26860, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26861 attached
, child_tidptr=0x555555f76650) = 26861
[pid 26861] set_robust_list(0x555555f76660, 24) = 0
[pid 26861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26861] setpgid(0, 0)               = 0
[pid 26861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26861] write(3, "1000", 4)         = 4
[pid 26861] close(3)                    = 0
[pid 26861] write(1, "executing program\n", 18executing program
) = 18
[pid 26861] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26861] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26861] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26861] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26861] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26861] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26861] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26861] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26861] exit_group(0)               = ?
[pid 26861] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26861, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
./strace-static-x86_64: Process 26862 attached
, child_tidptr=0x555555f76650) = 26862
[pid 26862] set_robust_list(0x555555f76660, 24) = 0
[pid 26862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26862] setpgid(0, 0)               = 0
[pid 26862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26862] write(3, "1000", 4)         = 4
[pid 26862] close(3)                    = 0
[pid 26862] write(1, "executing program\n", 18) = 18
[pid 26862] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26862] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26862] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26862] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26862] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26862] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26862] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26862] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26862] exit_group(0)               = ?
[pid 26862] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26862, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26863 attached
, child_tidptr=0x555555f76650) = 26863
[pid 26863] set_robust_list(0x555555f76660, 24) = 0
[pid 26863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26863] setpgid(0, 0)               = 0
[pid 26863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26863] write(3, "1000", 4)         = 4
[pid 26863] close(3executing program
)                    = 0
[pid 26863] write(1, "executing program\n", 18) = 18
[pid 26863] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26863] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26863] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26863] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26863] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26863] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26863] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26863] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26863] exit_group(0)               = ?
[pid 26863] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26863, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26864
./strace-static-x86_64: Process 26864 attached
[pid 26864] set_robust_list(0x555555f76660, 24) = 0
[pid 26864] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26864] setpgid(0, 0)               = 0
[pid 26864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26864] write(3, "1000", 4)         = 4
[pid 26864] close(3)                    = 0
[pid 26864] write(1, "executing program\n", 18executing program
) = 18
[pid 26864] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26864] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26864] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26864] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26864] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26864] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26864] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26864] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26864] exit_group(0)               = ?
[pid 26864] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26864, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26865
./strace-static-x86_64: Process 26865 attached
[pid 26865] set_robust_list(0x555555f76660, 24) = 0
[pid 26865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26865] setpgid(0, 0)               = 0
[pid 26865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26865] write(3, "1000", 4)         = 4
[pid 26865] close(3)                    = 0
[pid 26865] write(1, "executing program\n", 18executing program
) = 18
[pid 26865] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26865] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26865] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26865] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26865] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26865] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26865] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26865] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26865] exit_group(0)               = ?
[pid 26865] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26865, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26866 attached
, child_tidptr=0x555555f76650) = 26866
[pid 26866] set_robust_list(0x555555f76660, 24) = 0
[pid 26866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26866] setpgid(0, 0)               = 0
[pid 26866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26866] write(3, "1000", 4)         = 4
[pid 26866] close(3)                    = 0
[pid 26866] write(1, "executing program\n", 18) = 18
[pid 26866] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26866] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26866] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26866] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26866] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26866] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26866] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26866] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26866] exit_group(0)               = ?
[pid 26866] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26866, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26867 attached
, child_tidptr=0x555555f76650) = 26867
[pid 26867] set_robust_list(0x555555f76660, 24) = 0
[pid 26867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26867] setpgid(0, 0)               = 0
[pid 26867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26867] write(3, "1000", 4)         = 4
[pid 26867] close(3)                    = 0
[pid 26867] write(1, "executing program\n", 18executing program
) = 18
[pid 26867] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26867] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26867] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26867] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26867] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26867] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26867] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26867] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26867] exit_group(0)               = ?
[pid 26867] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26867, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26868
./strace-static-x86_64: Process 26868 attached
[pid 26868] set_robust_list(0x555555f76660, 24) = 0
[pid 26868] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26868] setpgid(0, 0)               = 0
[pid 26868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26868] write(3, "1000", 4)         = 4
[pid 26868] close(3)                    = 0
executing program
[pid 26868] write(1, "executing program\n", 18) = 18
[pid 26868] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26868] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26868] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26868] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26868] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26868] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26868] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26868] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26868] exit_group(0)               = ?
[pid 26868] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26868, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26869 attached
, child_tidptr=0x555555f76650) = 26869
[pid 26869] set_robust_list(0x555555f76660, 24) = 0
[pid 26869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26869] setpgid(0, 0)               = 0
[pid 26869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26869] write(3, "1000", 4)         = 4
[pid 26869] close(3)                    = 0
executing program
[pid 26869] write(1, "executing program\n", 18) = 18
[pid 26869] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26869] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26869] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26869] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26869] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26869] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26869] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26869] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26869] exit_group(0)               = ?
[pid 26869] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26869, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26870
./strace-static-x86_64: Process 26870 attached
[pid 26870] set_robust_list(0x555555f76660, 24) = 0
[pid 26870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26870] setpgid(0, 0)               = 0
[pid 26870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26870] write(3, "1000", 4)         = 4
[pid 26870] close(3)                    = 0
[pid 26870] write(1, "executing program\n", 18executing program
) = 18
[pid 26870] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26870] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26870] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26870] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26870] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26870] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26870] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26870] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26870] exit_group(0)               = ?
[pid 26870] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26870, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26871 attached
, child_tidptr=0x555555f76650) = 26871
[pid 26871] set_robust_list(0x555555f76660, 24) = 0
[pid 26871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26871] setpgid(0, 0)               = 0
[pid 26871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26871] write(3, "1000", 4)         = 4
[pid 26871] close(3)                    = 0
[pid 26871] write(1, "executing program\n", 18executing program
) = 18
[pid 26871] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26871] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26871] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26871] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26871] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26871] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26871] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26871] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26871] exit_group(0)               = ?
[pid 26871] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26871, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26872 attached
, child_tidptr=0x555555f76650) = 26872
[pid 26872] set_robust_list(0x555555f76660, 24) = 0
[pid 26872] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26872] setpgid(0, 0)               = 0
[pid 26872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26872] write(3, "1000", 4)         = 4
[pid 26872] close(3)                    = 0
[pid 26872] write(1, "executing program\n", 18executing program
) = 18
[pid 26872] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26872] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26872] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26872] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26872] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26872] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26872] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26872] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26872] exit_group(0)               = ?
[pid 26872] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26872, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26873
./strace-static-x86_64: Process 26873 attached
[pid 26873] set_robust_list(0x555555f76660, 24) = 0
[pid 26873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26873] setpgid(0, 0)               = 0
[pid 26873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26873] write(3, "1000", 4)         = 4
[pid 26873] close(3)                    = 0
executing program
[pid 26873] write(1, "executing program\n", 18) = 18
[pid 26873] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26873] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26873] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26873] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26873] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26873] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26873] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26873] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26873] exit_group(0)               = ?
[pid 26873] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26873, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26874 attached
, child_tidptr=0x555555f76650) = 26874
[pid 26874] set_robust_list(0x555555f76660, 24) = 0
[pid 26874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26874] setpgid(0, 0)               = 0
[pid 26874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26874] write(3, "1000", 4)         = 4
[pid 26874] close(3)                    = 0
[pid 26874] write(1, "executing program\n", 18executing program
) = 18
[pid 26874] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26874] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26874] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26874] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26874] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26874] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26874] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26874] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26874] exit_group(0)               = ?
[pid 26874] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26874, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26875 attached
, child_tidptr=0x555555f76650) = 26875
[pid 26875] set_robust_list(0x555555f76660, 24) = 0
[pid 26875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26875] setpgid(0, 0)               = 0
[pid 26875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26875] write(3, "1000", 4)         = 4
[pid 26875] close(3executing program
)                    = 0
[pid 26875] write(1, "executing program\n", 18) = 18
[pid 26875] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26875] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26875] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26875] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26875] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26875] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26875] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26875] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26875] exit_group(0)               = ?
[pid 26875] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26875, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26876
./strace-static-x86_64: Process 26876 attached
[pid 26876] set_robust_list(0x555555f76660, 24) = 0
[pid 26876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26876] setpgid(0, 0)               = 0
[pid 26876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26876] write(3, "1000", 4)         = 4
[pid 26876] close(3)                    = 0
executing program
[pid 26876] write(1, "executing program\n", 18) = 18
[pid 26876] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26876] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26876] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26876] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26876] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26876] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26876] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26876] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26876] exit_group(0)               = ?
[pid 26876] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26876, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26877 attached
, child_tidptr=0x555555f76650) = 26877
[pid 26877] set_robust_list(0x555555f76660, 24) = 0
[pid 26877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26877] setpgid(0, 0)               = 0
[pid 26877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26877] write(3, "1000", 4)         = 4
[pid 26877] close(3)                    = 0
[pid 26877] write(1, "executing program\n", 18executing program
) = 18
[pid 26877] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26877] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26877] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26877] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26877] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26877] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26877] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26877] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26877] exit_group(0)               = ?
[pid 26877] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26877, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26878 attached
, child_tidptr=0x555555f76650) = 26878
[pid 26878] set_robust_list(0x555555f76660, 24) = 0
[pid 26878] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26878] setpgid(0, 0)               = 0
[pid 26878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26878] write(3, "1000", 4executing program
)         = 4
[pid 26878] close(3)                    = 0
[pid 26878] write(1, "executing program\n", 18) = 18
[pid 26878] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26878] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26878] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26878] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26878] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26878] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26878] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26878] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26878] exit_group(0)               = ?
[pid 26878] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26878, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26879 attached
, child_tidptr=0x555555f76650) = 26879
[pid 26879] set_robust_list(0x555555f76660, 24) = 0
[pid 26879] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26879] setpgid(0, 0)               = 0
[pid 26879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26879] write(3, "1000", 4)         = 4
executing program
[pid 26879] close(3)                    = 0
[pid 26879] write(1, "executing program\n", 18) = 18
[pid 26879] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26879] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26879] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26879] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26879] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26879] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26879] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26879] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26879] exit_group(0)               = ?
[pid 26879] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26879, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26880 attached
, child_tidptr=0x555555f76650) = 26880
[pid 26880] set_robust_list(0x555555f76660, 24) = 0
[pid 26880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26880] setpgid(0, 0)               = 0
[pid 26880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26880] write(3, "1000", 4)         = 4
[pid 26880] close(3)                    = 0
executing program
[pid 26880] write(1, "executing program\n", 18) = 18
[pid 26880] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26880] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26880] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26880] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26880] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26880] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26880] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26880] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26880] exit_group(0)               = ?
[pid 26880] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26880, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26881 attached
, child_tidptr=0x555555f76650) = 26881
[pid 26881] set_robust_list(0x555555f76660, 24) = 0
[pid 26881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26881] setpgid(0, 0)               = 0
[pid 26881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
executing program
[pid 26881] write(3, "1000", 4)         = 4
[pid 26881] close(3)                    = 0
[pid 26881] write(1, "executing program\n", 18) = 18
[pid 26881] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26881] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26881] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26881] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26881] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26881] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26881] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26881] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26881] exit_group(0)               = ?
[pid 26881] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26881, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26882 attached
, child_tidptr=0x555555f76650) = 26882
[pid 26882] set_robust_list(0x555555f76660, 24) = 0
[pid 26882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26882] setpgid(0, 0)               = 0
[pid 26882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26882] write(3, "1000", 4)         = 4
[pid 26882] close(3)                    = 0
executing program
[pid 26882] write(1, "executing program\n", 18) = 18
[pid 26882] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26882] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26882] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26882] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26882] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26882] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26882] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26882] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26882] exit_group(0)               = ?
[pid 26882] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26882, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26883 attached
, child_tidptr=0x555555f76650) = 26883
[pid 26883] set_robust_list(0x555555f76660, 24) = 0
[pid 26883] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26883] setpgid(0, 0)               = 0
[pid 26883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26883] write(3, "1000", 4)         = 4
[pid 26883] close(3)                    = 0
executing program
[pid 26883] write(1, "executing program\n", 18) = 18
[pid 26883] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26883] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26883] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26883] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26883] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26883] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26883] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26883] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26883] exit_group(0)               = ?
[pid 26883] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26883, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26884 attached
, child_tidptr=0x555555f76650) = 26884
[pid 26884] set_robust_list(0x555555f76660, 24) = 0
[pid 26884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26884] setpgid(0, 0)               = 0
[pid 26884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26884] write(3, "1000", 4)         = 4
[pid 26884] close(3)                    = 0
executing program
[pid 26884] write(1, "executing program\n", 18) = 18
[pid 26884] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26884] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26884] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26884] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26884] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26884] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26884] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26884] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26884] exit_group(0)               = ?
[pid 26884] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26884, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26885
./strace-static-x86_64: Process 26885 attached
[pid 26885] set_robust_list(0x555555f76660, 24) = 0
[pid 26885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26885] setpgid(0, 0)               = 0
[pid 26885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26885] write(3, "1000", 4)         = 4
[pid 26885] close(3)                    = 0
[pid 26885] write(1, "executing program\n", 18executing program
) = 18
[pid 26885] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26885] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26885] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26885] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26885] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26885] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26885] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26885] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26885] exit_group(0)               = ?
[pid 26885] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26885, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26886
./strace-static-x86_64: Process 26886 attached
[pid 26886] set_robust_list(0x555555f76660, 24) = 0
[pid 26886] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26886] setpgid(0, 0)               = 0
[pid 26886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26886] write(3, "1000", 4)         = 4
[pid 26886] close(3)                    = 0
[pid 26886] write(1, "executing program\n", 18executing program
) = 18
[pid 26886] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26886] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26886] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26886] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26886] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26886] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26886] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26886] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26886] exit_group(0)               = ?
[pid 26886] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26886, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26887 attached
, child_tidptr=0x555555f76650) = 26887
[pid 26887] set_robust_list(0x555555f76660, 24) = 0
[pid 26887] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26887] setpgid(0, 0)               = 0
[pid 26887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26887] write(3, "1000", 4)         = 4
[pid 26887] close(3)                    = 0
executing program
[pid 26887] write(1, "executing program\n", 18) = 18
[pid 26887] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26887] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26887] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26887] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26887] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26887] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26887] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26887] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26887] exit_group(0)               = ?
[pid 26887] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26887, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26888
./strace-static-x86_64: Process 26888 attached
[pid 26888] set_robust_list(0x555555f76660, 24) = 0
[pid 26888] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26888] setpgid(0, 0)               = 0
[pid 26888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26888] write(3, "1000", 4)         = 4
[pid 26888] close(3executing program
)                    = 0
[pid 26888] write(1, "executing program\n", 18) = 18
[pid 26888] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26888] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26888] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26888] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26888] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26888] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26888] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26888] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26888] exit_group(0)               = ?
[pid 26888] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26888, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26889 attached
, child_tidptr=0x555555f76650) = 26889
[pid 26889] set_robust_list(0x555555f76660, 24) = 0
[pid 26889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26889] setpgid(0, 0)               = 0
[pid 26889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26889] write(3, "1000", 4)         = 4
[pid 26889] close(3)                    = 0
[pid 26889] write(1, "executing program\n", 18) = 18
[pid 26889] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26889] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26889] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26889] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26889] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26889] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26889] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26889] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26889] exit_group(0)               = ?
[pid 26889] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26889, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26890 attached
, child_tidptr=0x555555f76650) = 26890
[pid 26890] set_robust_list(0x555555f76660, 24) = 0
[pid 26890] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26890] setpgid(0, 0)               = 0
[pid 26890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26890] write(3, "1000", 4)         = 4
[pid 26890] close(3)                    = 0
[pid 26890] write(1, "executing program\n", 18executing program
) = 18
[pid 26890] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26890] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26890] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26890] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26890] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26890] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26890] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26890] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26890] exit_group(0)               = ?
[pid 26890] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26890, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26891 attached
, child_tidptr=0x555555f76650) = 26891
[pid 26891] set_robust_list(0x555555f76660, 24) = 0
[pid 26891] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26891] setpgid(0, 0)               = 0
[pid 26891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26891] write(3, "1000", 4)         = 4
[pid 26891] close(3)                    = 0
executing program
[pid 26891] write(1, "executing program\n", 18) = 18
[pid 26891] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26891] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26891] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26891] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26891] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26891] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26891] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26891] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26891] exit_group(0)               = ?
[pid 26891] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26891, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26892 attached
, child_tidptr=0x555555f76650) = 26892
[pid 26892] set_robust_list(0x555555f76660, 24) = 0
[pid 26892] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26892] setpgid(0, 0)               = 0
[pid 26892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26892] write(3, "1000", 4)         = 4
[pid 26892] close(3)                    = 0
[pid 26892] write(1, "executing program\n", 18executing program
) = 18
[pid 26892] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26892] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26892] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26892] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26892] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26892] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26892] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26892] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26892] exit_group(0)               = ?
[pid 26892] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26892, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26893 attached
, child_tidptr=0x555555f76650) = 26893
[pid 26893] set_robust_list(0x555555f76660, 24) = 0
[pid 26893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26893] setpgid(0, 0)               = 0
[pid 26893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26893] write(3, "1000", 4)         = 4
[pid 26893] close(3)                    = 0
[pid 26893] write(1, "executing program\n", 18executing program
) = 18
[pid 26893] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26893] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26893] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26893] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26893] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26893] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26893] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26893] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26893] exit_group(0)               = ?
[pid 26893] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26893, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26894
./strace-static-x86_64: Process 26894 attached
[pid 26894] set_robust_list(0x555555f76660, 24) = 0
[pid 26894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26894] setpgid(0, 0)               = 0
[pid 26894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26894] write(3, "1000", 4)         = 4
[pid 26894] close(3executing program
)                    = 0
[pid 26894] write(1, "executing program\n", 18) = 18
[pid 26894] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26894] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26894] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26894] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26894] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26894] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26894] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26894] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26894] exit_group(0)               = ?
[pid 26894] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26894, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26895
./strace-static-x86_64: Process 26895 attached
[pid 26895] set_robust_list(0x555555f76660, 24) = 0
[pid 26895] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26895] setpgid(0, 0)               = 0
[pid 26895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26895] write(3, "1000", 4)         = 4
[pid 26895] close(3)                    = 0
[pid 26895] write(1, "executing program\n", 18executing program
) = 18
[pid 26895] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26895] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26895] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26895] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26895] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26895] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26895] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26895] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26895] exit_group(0)               = ?
[pid 26895] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26895, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26896
./strace-static-x86_64: Process 26896 attached
[pid 26896] set_robust_list(0x555555f76660, 24) = 0
[pid 26896] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26896] setpgid(0, 0)               = 0
[pid 26896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26896] write(3, "1000", 4)         = 4
executing program
[pid 26896] close(3)                    = 0
[pid 26896] write(1, "executing program\n", 18) = 18
[pid 26896] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26896] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26896] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26896] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26896] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26896] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26896] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26896] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26896] exit_group(0)               = ?
[pid 26896] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26896, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26897 attached
, child_tidptr=0x555555f76650) = 26897
[pid 26897] set_robust_list(0x555555f76660, 24) = 0
[pid 26897] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26897] setpgid(0, 0)               = 0
[pid 26897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26897] write(3, "1000", 4)         = 4
[pid 26897] close(3)                    = 0
[pid 26897] write(1, "executing program\n", 18executing program
) = 18
[pid 26897] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26897] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26897] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26897] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26897] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26897] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26897] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26897] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26897] exit_group(0)               = ?
[pid 26897] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26897, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26898 attached
 <unfinished ...>
[pid 26898] set_robust_list(0x555555f76660, 24) = 0
[pid   357] <... clone resumed>, child_tidptr=0x555555f76650) = 26898
[pid 26898] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26898] setpgid(0, 0)               = 0
[pid 26898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26898] write(3, "1000", 4)         = 4
[pid 26898] close(3)                    = 0
[pid 26898] write(1, "executing program\n", 18executing program
) = 18
[pid 26898] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26898] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26898] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26898] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26898] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26898] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26898] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26898] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26898] exit_group(0)               = ?
[pid 26898] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26898, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26899 attached
, child_tidptr=0x555555f76650) = 26899
[pid 26899] set_robust_list(0x555555f76660, 24) = 0
[pid 26899] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26899] setpgid(0, 0)               = 0
[pid 26899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26899] write(3, "1000", 4)         = 4
[pid 26899] close(3)                    = 0
[pid 26899] write(1, "executing program\n", 18executing program
) = 18
[pid 26899] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26899] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26899] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26899] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26899] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26899] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26899] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26899] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26899] exit_group(0)               = ?
[pid 26899] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26899, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26900 attached
, child_tidptr=0x555555f76650) = 26900
[pid 26900] set_robust_list(0x555555f76660, 24) = 0
[pid 26900] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26900] setpgid(0, 0)               = 0
[pid 26900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26900] write(3, "1000", 4)         = 4
[pid 26900] close(3)                    = 0
[pid 26900] write(1, "executing program\n", 18executing program
) = 18
[pid 26900] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26900] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26900] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26900] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26900] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26900] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26900] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26900] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26900] exit_group(0)               = ?
[pid 26900] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26900, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26901 attached
 <unfinished ...>
[pid 26901] set_robust_list(0x555555f76660, 24) = 0
[pid 26901] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   357] <... clone resumed>, child_tidptr=0x555555f76650) = 26901
[pid 26901] <... prctl resumed>)        = 0
[pid 26901] setpgid(0, 0)               = 0
[pid 26901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26901] write(3, "1000", 4)         = 4
[pid 26901] close(3)                    = 0
[pid 26901] write(1, "executing program\n", 18executing program
) = 18
[pid 26901] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26901] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26901] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26901] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26901] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26901] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26901] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26901] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26901] exit_group(0)               = ?
[pid 26901] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26901, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26902 attached
 <unfinished ...>
[pid 26902] set_robust_list(0x555555f76660, 24) = 0
[pid 26902] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26902] setpgid(0, 0)               = 0
[pid 26902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   357] <... clone resumed>, child_tidptr=0x555555f76650) = 26902
[pid 26902] <... openat resumed>)       = 3
[pid 26902] write(3, "1000", 4)         = 4
[pid 26902] close(3)                    = 0
[pid 26902] write(1, "executing program\n", 18executing program
) = 18
[pid 26902] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26902] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26902] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26902] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26902] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26902] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26902] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26902] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26902] exit_group(0)               = ?
[pid 26902] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26902, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26903 attached
, child_tidptr=0x555555f76650) = 26903
[pid 26903] set_robust_list(0x555555f76660, 24) = 0
[pid 26903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26903] setpgid(0, 0)               = 0
[pid 26903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26903] write(3, "1000", 4)         = 4
[pid 26903] close(3)                    = 0
[pid 26903] write(1, "executing program\n", 18executing program
) = 18
[pid 26903] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26903] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26903] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26903] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26903] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26903] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26903] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26903] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26903] exit_group(0)               = ?
[pid 26903] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26903, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26904 attached
, child_tidptr=0x555555f76650) = 26904
[pid 26904] set_robust_list(0x555555f76660, 24) = 0
[pid 26904] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26904] setpgid(0, 0)               = 0
[pid 26904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26904] write(3, "1000", 4)         = 4
[pid 26904] close(3executing program
)                    = 0
[pid 26904] write(1, "executing program\n", 18) = 18
[pid 26904] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26904] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26904] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26904] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26904] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26904] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26904] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26904] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26904] exit_group(0)               = ?
[pid 26904] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26904, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26905
./strace-static-x86_64: Process 26905 attached
[pid 26905] set_robust_list(0x555555f76660, 24) = 0
[pid 26905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26905] setpgid(0, 0)               = 0
[pid 26905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26905] write(3, "1000", 4)         = 4
[pid 26905] close(3)                    = 0
[pid 26905] write(1, "executing program\n", 18executing program
) = 18
[pid 26905] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26905] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26905] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26905] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26905] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26905] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26905] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26905] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26905] exit_group(0)               = ?
[pid 26905] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26905, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26906 attached
, child_tidptr=0x555555f76650) = 26906
[pid 26906] set_robust_list(0x555555f76660, 24) = 0
[pid 26906] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26906] setpgid(0, 0)               = 0
[pid 26906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26906] write(3, "1000", 4)         = 4
[pid 26906] close(3)                    = 0
[pid 26906] write(1, "executing program\n", 18executing program
) = 18
[pid 26906] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26906] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26906] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26906] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26906] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26906] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26906] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26906] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26906] exit_group(0)               = ?
[pid 26906] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26906, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26907 attached
, child_tidptr=0x555555f76650) = 26907
[pid 26907] set_robust_list(0x555555f76660, 24) = 0
[pid 26907] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26907] setpgid(0, 0)               = 0
[pid 26907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26907] write(3, "1000", 4)         = 4
[pid 26907] close(3)                    = 0
executing program
[pid 26907] write(1, "executing program\n", 18) = 18
[pid 26907] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26907] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26907] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26907] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26907] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26907] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26907] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26907] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26907] exit_group(0)               = ?
[pid 26907] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26907, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26908 attached
, child_tidptr=0x555555f76650) = 26908
[pid 26908] set_robust_list(0x555555f76660, 24) = 0
[pid 26908] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26908] setpgid(0, 0)               = 0
[pid 26908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26908] write(3, "1000", 4)         = 4
[pid 26908] close(3)                    = 0
executing program
[pid 26908] write(1, "executing program\n", 18) = 18
[pid 26908] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26908] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26908] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26908] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26908] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26908] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26908] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26908] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26908] exit_group(0)               = ?
[pid 26908] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26908, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26909
./strace-static-x86_64: Process 26909 attached
[pid 26909] set_robust_list(0x555555f76660, 24) = 0
[pid 26909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26909] setpgid(0, 0)               = 0
[pid 26909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26909] write(3, "1000", 4)         = 4
[pid 26909] close(3)                    = 0
[pid 26909] write(1, "executing program\n", 18executing program
) = 18
[pid 26909] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26909] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26909] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26909] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26909] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26909] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26909] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26909] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26909] exit_group(0)               = ?
[pid 26909] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26909, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26910
./strace-static-x86_64: Process 26910 attached
[pid 26910] set_robust_list(0x555555f76660, 24) = 0
[pid 26910] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26910] setpgid(0, 0)               = 0
[pid 26910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26910] write(3, "1000", 4)         = 4
[pid 26910] close(3)                    = 0
[pid 26910] write(1, "executing program\n", 18executing program
) = 18
[pid 26910] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26910] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26910] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26910] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26910] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26910] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26910] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26910] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26910] exit_group(0)               = ?
[pid 26910] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26910, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26911
./strace-static-x86_64: Process 26911 attached
[pid 26911] set_robust_list(0x555555f76660, 24) = 0
[pid 26911] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26911] setpgid(0, 0)               = 0
[pid 26911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26911] write(3, "1000", 4)         = 4
[pid 26911] close(3)                    = 0
[pid 26911] write(1, "executing program\n", 18executing program
) = 18
[pid 26911] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26911] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26911] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26911] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26911] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26911] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26911] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26911] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26911] exit_group(0)               = ?
[pid 26911] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26911, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26912
./strace-static-x86_64: Process 26912 attached
[pid 26912] set_robust_list(0x555555f76660, 24) = 0
[pid 26912] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26912] setpgid(0, 0)               = 0
[pid 26912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
executing program
[pid 26912] write(3, "1000", 4)         = 4
[pid 26912] close(3)                    = 0
[pid 26912] write(1, "executing program\n", 18) = 18
[pid 26912] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26912] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26912] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26912] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26912] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26912] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26912] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26912] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26912] exit_group(0)               = ?
[pid 26912] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26912, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26913 attached
, child_tidptr=0x555555f76650) = 26913
[pid 26913] set_robust_list(0x555555f76660, 24) = 0
[pid 26913] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26913] setpgid(0, 0)               = 0
[pid 26913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26913] write(3, "1000", 4)         = 4
executing program
[pid 26913] close(3)                    = 0
[pid 26913] write(1, "executing program\n", 18) = 18
[pid 26913] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26913] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26913] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26913] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26913] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26913] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26913] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26913] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26913] exit_group(0)               = ?
[pid 26913] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26913, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26914 attached
, child_tidptr=0x555555f76650) = 26914
[pid 26914] set_robust_list(0x555555f76660, 24) = 0
[pid 26914] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26914] setpgid(0, 0)               = 0
[pid 26914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26914] write(3, "1000", 4)         = 4
[pid 26914] close(3)                    = 0
executing program
[pid 26914] write(1, "executing program\n", 18) = 18
[pid 26914] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26914] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26914] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26914] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26914] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26914] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26914] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26914] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26914] exit_group(0)               = ?
[pid 26914] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26914, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26915
./strace-static-x86_64: Process 26915 attached
[pid 26915] set_robust_list(0x555555f76660, 24) = 0
[pid 26915] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26915] setpgid(0, 0)               = 0
[pid 26915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26915] write(3, "1000", 4)         = 4
[pid 26915] close(3)                    = 0
[pid 26915] write(1, "executing program\n", 18executing program
) = 18
[pid 26915] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26915] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26915] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26915] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26915] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26915] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26915] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26915] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26915] exit_group(0)               = ?
[pid 26915] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26915, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26916 attached
, child_tidptr=0x555555f76650) = 26916
[pid 26916] set_robust_list(0x555555f76660, 24) = 0
[pid 26916] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26916] setpgid(0, 0)               = 0
[pid 26916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26916] write(3, "1000", 4)         = 4
[pid 26916] close(3)                    = 0
executing program
[pid 26916] write(1, "executing program\n", 18) = 18
[pid 26916] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26916] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26916] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26916] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26916] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26916] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26916] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26916] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26916] exit_group(0)               = ?
[pid 26916] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26916, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26917 attached
, child_tidptr=0x555555f76650) = 26917
[pid 26917] set_robust_list(0x555555f76660, 24) = 0
[pid 26917] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26917] setpgid(0, 0)               = 0
[pid 26917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26917] write(3, "1000", 4)         = 4
[pid 26917] close(3executing program
)                    = 0
[pid 26917] write(1, "executing program\n", 18) = 18
[pid 26917] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26917] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26917] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26917] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26917] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26917] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26917] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26917] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26917] exit_group(0)               = ?
[pid 26917] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26917, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26918
./strace-static-x86_64: Process 26918 attached
[pid 26918] set_robust_list(0x555555f76660, 24) = 0
[pid 26918] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26918] setpgid(0, 0)               = 0
[pid 26918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26918] write(3, "1000", 4)         = 4
[pid 26918] close(3)                    = 0
[pid 26918] write(1, "executing program\n", 18executing program
) = 18
[pid 26918] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26918] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26918] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26918] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26918] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26918] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26918] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26918] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26918] exit_group(0)               = ?
[pid 26918] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26918, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26919 attached
, child_tidptr=0x555555f76650) = 26919
[pid 26919] set_robust_list(0x555555f76660, 24) = 0
[pid 26919] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26919] setpgid(0, 0)               = 0
[pid 26919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26919] write(3, "1000", 4)         = 4
[pid 26919] close(3)                    = 0
executing program
[pid 26919] write(1, "executing program\n", 18) = 18
[pid 26919] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26919] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26919] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26919] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26919] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26919] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26919] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26919] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26919] exit_group(0)               = ?
[pid 26919] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26919, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26920
./strace-static-x86_64: Process 26920 attached
[pid 26920] set_robust_list(0x555555f76660, 24) = 0
[pid 26920] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26920] setpgid(0, 0)               = 0
[pid 26920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26920] write(3, "1000", 4)         = 4
[pid 26920] close(3)                    = 0
[pid 26920] write(1, "executing program\n", 18executing program
) = 18
[pid 26920] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26920] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26920] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26920] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26920] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26920] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26920] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26920] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26920] exit_group(0)               = ?
[pid 26920] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26920, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26921
./strace-static-x86_64: Process 26921 attached
[pid 26921] set_robust_list(0x555555f76660, 24) = 0
[pid 26921] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26921] setpgid(0, 0)               = 0
[pid 26921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26921] write(3, "1000", 4)         = 4
[pid 26921] close(3)                    = 0
[pid 26921] write(1, "executing program\n", 18executing program
) = 18
[pid 26921] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26921] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26921] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26921] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26921] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26921] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26921] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26921] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26921] exit_group(0)               = ?
[pid 26921] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26921, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26922 attached
, child_tidptr=0x555555f76650) = 26922
[pid 26922] set_robust_list(0x555555f76660, 24) = 0
[pid 26922] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26922] setpgid(0, 0)               = 0
[pid 26922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26922] write(3, "1000", 4)         = 4
executing program
[pid 26922] close(3)                    = 0
[pid 26922] write(1, "executing program\n", 18) = 18
[pid 26922] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26922] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26922] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26922] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26922] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26922] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26922] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26922] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26922] exit_group(0)               = ?
[pid 26922] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26922, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26923 attached
, child_tidptr=0x555555f76650) = 26923
[pid 26923] set_robust_list(0x555555f76660, 24) = 0
[pid 26923] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26923] setpgid(0, 0)               = 0
[pid 26923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26923] write(3, "1000", 4)         = 4
[pid 26923] close(3)                    = 0
[pid 26923] write(1, "executing program\n", 18) = 18
[pid 26923] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26923] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26923] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26923] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26923] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26923] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26923] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26923] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26923] exit_group(0)               = ?
[pid 26923] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26923, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26924
./strace-static-x86_64: Process 26924 attached
[pid 26924] set_robust_list(0x555555f76660, 24) = 0
[pid 26924] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26924] setpgid(0, 0)               = 0
[pid 26924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26924] write(3, "1000", 4)         = 4
[pid 26924] close(3)                    = 0
[pid 26924] write(1, "executing program\n", 18executing program
) = 18
[pid 26924] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26924] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26924] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26924] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26924] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26924] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26924] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26924] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26924] exit_group(0)               = ?
[pid 26924] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26924, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26925
./strace-static-x86_64: Process 26925 attached
[pid 26925] set_robust_list(0x555555f76660, 24) = 0
[pid 26925] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26925] setpgid(0, 0)               = 0
[pid 26925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26925] write(3, "1000", 4)         = 4
[pid 26925] close(3)                    = 0
[pid 26925] write(1, "executing program\n", 18executing program
) = 18
[pid 26925] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26925] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26925] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26925] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26925] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26925] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26925] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26925] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26925] exit_group(0)               = ?
[pid 26925] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26925, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26926
./strace-static-x86_64: Process 26926 attached
[pid 26926] set_robust_list(0x555555f76660, 24) = 0
[pid 26926] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26926] setpgid(0, 0)               = 0
[pid 26926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26926] write(3, "1000", 4)         = 4
[pid 26926] close(3)                    = 0
[pid 26926] write(1, "executing program\n", 18executing program
) = 18
[pid 26926] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26926] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26926] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26926] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26926] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26926] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26926] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26926] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26926] exit_group(0)               = ?
[pid 26926] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26926, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26927
./strace-static-x86_64: Process 26927 attached
[pid 26927] set_robust_list(0x555555f76660, 24) = 0
[pid 26927] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26927] setpgid(0, 0)               = 0
[pid 26927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26927] write(3, "1000", 4executing program
)         = 4
[pid 26927] close(3)                    = 0
[pid 26927] write(1, "executing program\n", 18) = 18
[pid 26927] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26927] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26927] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26927] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26927] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26927] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26927] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26927] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26927] exit_group(0)               = ?
[pid 26927] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26927, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26928
./strace-static-x86_64: Process 26928 attached
[pid 26928] set_robust_list(0x555555f76660, 24) = 0
[pid 26928] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26928] setpgid(0, 0)               = 0
[pid 26928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26928] write(3, "1000", 4)         = 4
[pid 26928] close(3)                    = 0
[pid 26928] write(1, "executing program\n", 18) = 18
[pid 26928] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26928] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26928] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26928] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26928] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26928] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26928] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26928] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26928] exit_group(0)               = ?
[pid 26928] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26928, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26929 attached
, child_tidptr=0x555555f76650) = 26929
[pid 26929] set_robust_list(0x555555f76660, 24) = 0
[pid 26929] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26929] setpgid(0, 0)               = 0
[pid 26929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26929] write(3, "1000", 4)         = 4
[pid 26929] close(3)                    = 0
[pid 26929] write(1, "executing program\n", 18executing program
) = 18
[pid 26929] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26929] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26929] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26929] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26929] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26929] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26929] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26929] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26929] exit_group(0)               = ?
[pid 26929] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26929, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26930 attached
, child_tidptr=0x555555f76650) = 26930
[pid 26930] set_robust_list(0x555555f76660, 24) = 0
[pid 26930] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26930] setpgid(0, 0)               = 0
[pid 26930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26930] write(3, "1000", 4)         = 4
[pid 26930] close(3)                    = 0
[pid 26930] write(1, "executing program\n", 18executing program
) = 18
[pid 26930] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26930] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26930] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26930] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26930] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26930] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26930] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26930] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26930] exit_group(0)               = ?
[pid 26930] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26930, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26931
./strace-static-x86_64: Process 26931 attached
[pid 26931] set_robust_list(0x555555f76660, 24) = 0
[pid 26931] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26931] setpgid(0, 0)               = 0
[pid 26931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26931] write(3, "1000", 4)         = 4
[pid 26931] close(3)                    = 0
[pid 26931] write(1, "executing program\n", 18executing program
) = 18
[pid 26931] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26931] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26931] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26931] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26931] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26931] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26931] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26931] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26931] exit_group(0)               = ?
[pid 26931] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26931, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26932
./strace-static-x86_64: Process 26932 attached
[pid 26932] set_robust_list(0x555555f76660, 24) = 0
[pid 26932] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26932] setpgid(0, 0)               = 0
[pid 26932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26932] write(3, "1000", 4)         = 4
[pid 26932] close(3)                    = 0
[pid 26932] write(1, "executing program\n", 18executing program
) = 18
[pid 26932] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26932] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26932] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26932] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26932] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26932] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26932] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26932] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26932] exit_group(0)               = ?
[pid 26932] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26932, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26933
./strace-static-x86_64: Process 26933 attached
[pid 26933] set_robust_list(0x555555f76660, 24) = 0
[pid 26933] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26933] setpgid(0, 0)               = 0
[pid 26933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26933] write(3, "1000", 4)         = 4
[pid 26933] close(3)                    = 0
[pid 26933] write(1, "executing program\n", 18executing program
) = 18
[pid 26933] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26933] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26933] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26933] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26933] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26933] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26933] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26933] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26933] exit_group(0)               = ?
[pid 26933] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26933, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26934 attached
 <unfinished ...>
[pid 26934] set_robust_list(0x555555f76660, 24) = 0
[pid 26934] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26934] setpgid(0, 0)               = 0
[pid   357] <... clone resumed>, child_tidptr=0x555555f76650) = 26934
[pid 26934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26934] write(3, "1000", 4)         = 4
[pid 26934] close(3)                    = 0
[pid 26934] write(1, "executing program\n", 18executing program
) = 18
[pid 26934] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26934] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26934] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26934] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26934] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26934] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26934] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26934] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26934] exit_group(0)               = ?
[pid 26934] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26934, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26936
./strace-static-x86_64: Process 26936 attached
[pid 26936] set_robust_list(0x555555f76660, 24) = 0
[pid 26936] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26936] setpgid(0, 0)               = 0
[pid 26936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26936] write(3, "1000", 4)         = 4
[pid 26936] close(3)                    = 0
[pid 26936] write(1, "executing program\n", 18executing program
) = 18
[pid 26936] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26936] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26936] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26936] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26936] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26936] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26936] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26936] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26936] exit_group(0)               = ?
[pid 26936] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26936, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26937
./strace-static-x86_64: Process 26937 attached
[pid 26937] set_robust_list(0x555555f76660, 24) = 0
[pid 26937] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26937] setpgid(0, 0)               = 0
[pid 26937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26937] write(3, "1000", 4)         = 4
[pid 26937] close(3)                    = 0
[pid 26937] write(1, "executing program\n", 18executing program
) = 18
[pid 26937] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26937] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26937] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26937] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26937] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26937] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26937] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26937] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26937] exit_group(0)               = ?
[pid 26937] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26937, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26938
./strace-static-x86_64: Process 26938 attached
[pid 26938] set_robust_list(0x555555f76660, 24) = 0
[pid 26938] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26938] setpgid(0, 0)               = 0
executing program
[pid 26938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26938] write(3, "1000", 4)         = 4
[pid 26938] close(3)                    = 0
[pid 26938] write(1, "executing program\n", 18) = 18
[pid 26938] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26938] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26938] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26938] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26938] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26938] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26938] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26938] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26938] exit_group(0)               = ?
[pid 26938] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26938, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26939 attached
, child_tidptr=0x555555f76650) = 26939
[pid 26939] set_robust_list(0x555555f76660, 24) = 0
[pid 26939] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26939] setpgid(0, 0)               = 0
[pid 26939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26939] write(3, "1000", 4)         = 4
[pid 26939] close(3)                    = 0
[pid 26939] write(1, "executing program\n", 18executing program
) = 18
[pid 26939] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26939] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26939] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26939] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26939] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26939] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26939] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26939] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26939] exit_group(0)               = ?
[pid 26939] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26939, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26940 attached
 <unfinished ...>
[pid 26940] set_robust_list(0x555555f76660, 24) = 0
[pid 26940] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26940] setpgid(0, 0)               = 0
[pid 26940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   357] <... clone resumed>, child_tidptr=0x555555f76650) = 26940
[pid 26940] <... openat resumed>)       = 3
[pid 26940] write(3, "1000", 4)         = 4
[pid 26940] close(3)                    = 0
[pid 26940] write(1, "executing program\n", 18executing program
) = 18
[pid 26940] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26940] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26940] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26940] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26940] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26940] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26940] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26940] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26940] exit_group(0)               = ?
[pid 26940] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26940, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26941 attached
, child_tidptr=0x555555f76650) = 26941
[pid 26941] set_robust_list(0x555555f76660, 24) = 0
[pid 26941] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26941] setpgid(0, 0)               = 0
[pid 26941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26941] write(3, "1000", 4)         = 4
[pid 26941] close(3executing program
)                    = 0
[pid 26941] write(1, "executing program\n", 18) = 18
[pid 26941] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26941] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26941] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26941] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26941] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26941] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26941] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26941] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26941] exit_group(0)               = ?
[pid 26941] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26941, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26942
./strace-static-x86_64: Process 26942 attached
[pid 26942] set_robust_list(0x555555f76660, 24) = 0
[pid 26942] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26942] setpgid(0, 0)               = 0
[pid 26942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26942] write(3, "1000", 4)         = 4
[pid 26942] close(3)                    = 0
executing program
[pid 26942] write(1, "executing program\n", 18) = 18
[pid 26942] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26942] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26942] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26942] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26942] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26942] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26942] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26942] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26942] exit_group(0)               = ?
[pid 26942] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26942, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26943 attached
, child_tidptr=0x555555f76650) = 26943
[pid 26943] set_robust_list(0x555555f76660, 24) = 0
[pid 26943] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26943] setpgid(0, 0)               = 0
[pid 26943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26943] write(3, "1000", 4)         = 4
[pid 26943] close(3executing program
)                    = 0
[pid 26943] write(1, "executing program\n", 18) = 18
[pid 26943] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26943] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26943] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26943] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26943] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26943] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26943] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26943] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26943] exit_group(0)               = ?
[pid 26943] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26943, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26944 attached
, child_tidptr=0x555555f76650) = 26944
[pid 26944] set_robust_list(0x555555f76660, 24) = 0
[pid 26944] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26944] setpgid(0, 0)               = 0
[pid 26944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26944] write(3, "1000", 4)         = 4
[pid 26944] close(3)                    = 0
executing program
[pid 26944] write(1, "executing program\n", 18) = 18
[pid 26944] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26944] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26944] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26944] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26944] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26944] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26944] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26944] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26944] exit_group(0)               = ?
[pid 26944] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26944, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26945
./strace-static-x86_64: Process 26945 attached
[pid 26945] set_robust_list(0x555555f76660, 24) = 0
[pid 26945] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26945] setpgid(0, 0)               = 0
[pid 26945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26945] write(3, "1000", 4)         = 4
[pid 26945] close(3executing program
)                    = 0
[pid 26945] write(1, "executing program\n", 18) = 18
[pid 26945] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26945] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26945] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26945] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26945] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26945] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26945] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26945] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26945] exit_group(0)               = ?
[pid 26945] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26945, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26946 attached
, child_tidptr=0x555555f76650) = 26946
[pid 26946] set_robust_list(0x555555f76660, 24) = 0
[pid 26946] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26946] setpgid(0, 0)               = 0
[pid 26946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26946] write(3, "1000", 4)         = 4
[pid 26946] close(3)                    = 0
executing program
[pid 26946] write(1, "executing program\n", 18) = 18
[pid 26946] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26946] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26946] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26946] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26946] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26946] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26946] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26946] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26946] exit_group(0)               = ?
[pid 26946] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26946, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26947
./strace-static-x86_64: Process 26947 attached
[pid 26947] set_robust_list(0x555555f76660, 24) = 0
[pid 26947] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26947] setpgid(0, 0)               = 0
[pid 26947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26947] write(3, "1000", 4)         = 4
[pid 26947] close(3)                    = 0
[pid 26947] write(1, "executing program\n", 18executing program
) = 18
[pid 26947] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26947] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26947] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26947] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26947] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26947] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26947] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26947] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26947] exit_group(0)               = ?
[pid 26947] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26947, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26948
./strace-static-x86_64: Process 26948 attached
[pid 26948] set_robust_list(0x555555f76660, 24) = 0
[pid 26948] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26948] setpgid(0, 0)               = 0
[pid 26948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26948] write(3, "1000", 4)         = 4
[pid 26948] close(3)                    = 0
[pid 26948] write(1, "executing program\n", 18executing program
) = 18
[pid 26948] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26948] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26948] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26948] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26948] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26948] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26948] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26948] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26948] exit_group(0)               = ?
[pid 26948] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26948, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26949 attached
, child_tidptr=0x555555f76650) = 26949
[pid 26949] set_robust_list(0x555555f76660, 24) = 0
[pid 26949] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26949] setpgid(0, 0)               = 0
[pid 26949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26949] write(3, "1000", 4)         = 4
[pid 26949] close(3)                    = 0
[pid 26949] write(1, "executing program\n", 18executing program
) = 18
[pid 26949] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26949] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26949] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26949] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26949] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26949] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26949] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26949] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26949] exit_group(0)               = ?
[pid 26949] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26949, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26950
./strace-static-x86_64: Process 26950 attached
[pid 26950] set_robust_list(0x555555f76660, 24) = 0
[pid 26950] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26950] setpgid(0, 0)               = 0
[pid 26950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26950] write(3, "1000", 4)         = 4
[pid 26950] close(3)                    = 0
[pid 26950] write(1, "executing program\n", 18executing program
) = 18
[pid 26950] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26950] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26950] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26950] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26950] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26950] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26950] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26950] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26950] exit_group(0)               = ?
[pid 26950] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26950, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26951
./strace-static-x86_64: Process 26951 attached
[pid 26951] set_robust_list(0x555555f76660, 24) = 0
[pid 26951] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26951] setpgid(0, 0)               = 0
[pid 26951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26951] write(3, "1000", 4)         = 4
[pid 26951] close(3)                    = 0
[pid 26951] write(1, "executing program\n", 18executing program
) = 18
[pid 26951] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26951] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26951] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26951] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26951] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26951] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26951] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26951] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26951] exit_group(0)               = ?
[pid 26951] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26951, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26952
./strace-static-x86_64: Process 26952 attached
[pid 26952] set_robust_list(0x555555f76660, 24) = 0
[pid 26952] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26952] setpgid(0, 0)               = 0
[pid 26952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26952] write(3, "1000", 4)         = 4
[pid 26952] close(3)                    = 0
executing program
[pid 26952] write(1, "executing program\n", 18) = 18
[pid 26952] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26952] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26952] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26952] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26952] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26952] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26952] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26952] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26952] exit_group(0)               = ?
[pid 26952] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26952, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26953 attached
, child_tidptr=0x555555f76650) = 26953
[pid 26953] set_robust_list(0x555555f76660, 24) = 0
[pid 26953] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26953] setpgid(0, 0)               = 0
[pid 26953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26953] write(3, "1000", 4)         = 4
[pid 26953] close(3)                    = 0
[pid 26953] write(1, "executing program\n", 18) = 18
[pid 26953] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26953] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26953] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26953] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26953] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26953] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26953] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26953] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26953] exit_group(0)               = ?
[pid 26953] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26953, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26954 attached
, child_tidptr=0x555555f76650) = 26954
[pid 26954] set_robust_list(0x555555f76660, 24) = 0
[pid 26954] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26954] setpgid(0, 0)               = 0
[pid 26954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26954] write(3, "1000", 4)         = 4
[pid 26954] close(3)                    = 0
executing program
[pid 26954] write(1, "executing program\n", 18) = 18
[pid 26954] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26954] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26954] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26954] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26954] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26954] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26954] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26954] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26954] exit_group(0)               = ?
[pid 26954] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26954, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26955
./strace-static-x86_64: Process 26955 attached
[pid 26955] set_robust_list(0x555555f76660, 24) = 0
[pid 26955] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26955] setpgid(0, 0)               = 0
[pid 26955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26955] write(3, "1000", 4)         = 4
[pid 26955] close(3)                    = 0
executing program
[pid 26955] write(1, "executing program\n", 18) = 18
[pid 26955] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26955] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26955] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26955] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26955] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26955] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26955] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26955] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26955] exit_group(0)               = ?
[pid 26955] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26955, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26956 attached
, child_tidptr=0x555555f76650) = 26956
[pid 26956] set_robust_list(0x555555f76660, 24) = 0
[pid 26956] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26956] setpgid(0, 0)               = 0
[pid 26956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26956] write(3, "1000", 4)         = 4
[pid 26956] close(3executing program
)                    = 0
[pid 26956] write(1, "executing program\n", 18) = 18
[pid 26956] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26956] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26956] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26956] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26956] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26956] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26956] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26956] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26956] exit_group(0)               = ?
[pid 26956] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26956, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26957 attached
, child_tidptr=0x555555f76650) = 26957
[pid 26957] set_robust_list(0x555555f76660, 24) = 0
[pid 26957] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26957] setpgid(0, 0)               = 0
[pid 26957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26957] write(3, "1000", 4)         = 4
[pid 26957] close(3executing program
)                    = 0
[pid 26957] write(1, "executing program\n", 18) = 18
[pid 26957] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26957] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26957] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26957] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26957] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26957] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26957] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26957] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26957] exit_group(0)               = ?
[pid 26957] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26957, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26958
./strace-static-x86_64: Process 26958 attached
[pid 26958] set_robust_list(0x555555f76660, 24) = 0
[pid 26958] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26958] setpgid(0, 0)               = 0
[pid 26958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26958] write(3, "1000", 4)         = 4
executing program
[pid 26958] close(3)                    = 0
[pid 26958] write(1, "executing program\n", 18) = 18
[pid 26958] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26958] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26958] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26958] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26958] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26958] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26958] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26958] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26958] exit_group(0)               = ?
[pid 26958] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26958, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26959 attached
, child_tidptr=0x555555f76650) = 26959
[pid 26959] set_robust_list(0x555555f76660, 24) = 0
[pid 26959] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26959] setpgid(0, 0)               = 0
[pid 26959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26959] write(3, "1000", 4)         = 4
executing program
[pid 26959] close(3)                    = 0
[pid 26959] write(1, "executing program\n", 18) = 18
[pid 26959] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26959] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26959] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26959] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26959] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26959] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26959] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26959] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26959] exit_group(0)               = ?
[pid 26959] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26959, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26960
./strace-static-x86_64: Process 26960 attached
[pid 26960] set_robust_list(0x555555f76660, 24) = 0
[pid 26960] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26960] setpgid(0, 0)               = 0
[pid 26960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26960] write(3, "1000", 4)         = 4
[pid 26960] close(3)                    = 0
[pid 26960] write(1, "executing program\n", 18executing program
) = 18
[pid 26960] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26960] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26960] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26960] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26960] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26960] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26960] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26960] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26960] exit_group(0)               = ?
[pid 26960] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26960, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26961
./strace-static-x86_64: Process 26961 attached
[pid 26961] set_robust_list(0x555555f76660, 24) = 0
[pid 26961] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26961] setpgid(0, 0)               = 0
[pid 26961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26961] write(3, "1000", 4)         = 4
[pid 26961] close(3)                    = 0
[pid 26961] write(1, "executing program\n", 18executing program
) = 18
[pid 26961] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26961] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26961] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26961] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26961] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26961] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26961] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26961] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26961] exit_group(0)               = ?
[pid 26961] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26961, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26962 attached
, child_tidptr=0x555555f76650) = 26962
[pid 26962] set_robust_list(0x555555f76660, 24) = 0
[pid 26962] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26962] setpgid(0, 0)               = 0
[pid 26962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26962] write(3, "1000", 4)         = 4
[pid 26962] close(3)                    = 0
executing program
[pid 26962] write(1, "executing program\n", 18) = 18
[pid 26962] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26962] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26962] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26962] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26962] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26962] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26962] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26962] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26962] exit_group(0)               = ?
[pid 26962] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26962, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26963
./strace-static-x86_64: Process 26963 attached
[pid 26963] set_robust_list(0x555555f76660, 24) = 0
[pid 26963] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26963] setpgid(0, 0)               = 0
[pid 26963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26963] write(3, "1000", 4)         = 4
[pid 26963] close(3executing program
)                    = 0
[pid 26963] write(1, "executing program\n", 18) = 18
[pid 26963] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26963] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26963] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26963] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26963] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26963] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26963] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26963] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26963] exit_group(0)               = ?
[pid 26963] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26963, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26964
./strace-static-x86_64: Process 26964 attached
[pid 26964] set_robust_list(0x555555f76660, 24) = 0
[pid 26964] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26964] setpgid(0, 0)               = 0
[pid 26964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26964] write(3, "1000", 4)         = 4
[pid 26964] close(3)                    = 0
executing program
[pid 26964] write(1, "executing program\n", 18) = 18
[pid 26964] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26964] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26964] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26964] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26964] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26964] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26964] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26964] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26964] exit_group(0)               = ?
[pid 26964] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26964, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26965
./strace-static-x86_64: Process 26965 attached
[pid 26965] set_robust_list(0x555555f76660, 24) = 0
[pid 26965] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26965] setpgid(0, 0)               = 0
[pid 26965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26965] write(3, "1000", 4)         = 4
[pid 26965] close(3)                    = 0
executing program
[pid 26965] write(1, "executing program\n", 18) = 18
[pid 26965] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26965] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26965] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26965] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26965] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26965] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26965] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26965] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26965] exit_group(0)               = ?
[pid 26965] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26965, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26966 attached
, child_tidptr=0x555555f76650) = 26966
[pid 26966] set_robust_list(0x555555f76660, 24) = 0
[pid 26966] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26966] setpgid(0, 0)               = 0
[pid 26966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26966] write(3, "1000", 4)         = 4
[pid 26966] close(3)                    = 0
executing program
[pid 26966] write(1, "executing program\n", 18) = 18
[pid 26966] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26966] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26966] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26966] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26966] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26966] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26966] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26966] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26966] exit_group(0)               = ?
[pid 26966] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26966, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26967 attached
, child_tidptr=0x555555f76650) = 26967
[pid 26967] set_robust_list(0x555555f76660, 24) = 0
[pid 26967] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26967] setpgid(0, 0)               = 0
[pid 26967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26967] write(3, "1000", 4)         = 4
[pid 26967] close(3)                    = 0
[pid 26967] write(1, "executing program\n", 18executing program
) = 18
[pid 26967] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26967] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26967] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26967] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26967] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26967] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26967] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26967] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26967] exit_group(0)               = ?
[pid 26967] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26967, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26968
./strace-static-x86_64: Process 26968 attached
[pid 26968] set_robust_list(0x555555f76660, 24) = 0
[pid 26968] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26968] setpgid(0, 0)               = 0
[pid 26968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26968] write(3, "1000", 4)         = 4
[pid 26968] close(3)                    = 0
[pid 26968] write(1, "executing program\n", 18executing program
) = 18
[pid 26968] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26968] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26968] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26968] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26968] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26968] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26968] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26968] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26968] exit_group(0)               = ?
[pid 26968] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26968, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26969
./strace-static-x86_64: Process 26969 attached
[pid 26969] set_robust_list(0x555555f76660, 24) = 0
[pid 26969] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26969] setpgid(0, 0)               = 0
[pid 26969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26969] write(3, "1000", 4)         = 4
[pid 26969] close(3)                    = 0
executing program
[pid 26969] write(1, "executing program\n", 18) = 18
[pid 26969] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26969] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26969] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26969] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26969] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26969] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26969] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26969] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26969] exit_group(0)               = ?
[pid 26969] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26969, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26970 attached
, child_tidptr=0x555555f76650) = 26970
[pid 26970] set_robust_list(0x555555f76660, 24) = 0
[pid 26970] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26970] setpgid(0, 0)               = 0
[pid 26970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26970] write(3, "1000", 4)         = 4
[pid 26970] close(3)                    = 0
[pid 26970] write(1, "executing program\n", 18executing program
) = 18
[pid 26970] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26970] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26970] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26970] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26970] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26970] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26970] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26970] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26970] exit_group(0)               = ?
[pid 26970] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26970, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26971 attached
, child_tidptr=0x555555f76650) = 26971
[pid 26971] set_robust_list(0x555555f76660, 24) = 0
[pid 26971] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26971] setpgid(0, 0)               = 0
[pid 26971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26971] write(3, "1000", 4)         = 4
[pid 26971] close(3)                    = 0
[pid 26971] write(1, "executing program\n", 18) = 18
[pid 26971] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26971] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26971] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26971] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26971] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26971] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26971] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26971] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26971] exit_group(0)               = ?
[pid 26971] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26971, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26972 attached
, child_tidptr=0x555555f76650) = 26972
[pid 26972] set_robust_list(0x555555f76660, 24) = 0
[pid 26972] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26972] setpgid(0, 0)               = 0
[pid 26972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26972] write(3, "1000", 4)         = 4
[pid 26972] close(3)                    = 0
executing program
[pid 26972] write(1, "executing program\n", 18) = 18
[pid 26972] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26972] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26972] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26972] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26972] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26972] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26972] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26972] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26972] exit_group(0)               = ?
[pid 26972] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26972, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26973 attached
, child_tidptr=0x555555f76650) = 26973
[pid 26973] set_robust_list(0x555555f76660, 24) = 0
[pid 26973] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26973] setpgid(0, 0)               = 0
[pid 26973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26973] write(3, "1000", 4)         = 4
[pid 26973] close(3)                    = 0
[pid 26973] write(1, "executing program\n", 18executing program
) = 18
[pid 26973] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26973] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26973] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26973] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26973] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26973] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26973] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26973] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26973] exit_group(0)               = ?
[pid 26973] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26973, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26974 attached
, child_tidptr=0x555555f76650) = 26974
[pid 26974] set_robust_list(0x555555f76660, 24) = 0
[pid 26974] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26974] setpgid(0, 0)               = 0
[pid 26974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26974] write(3, "1000", 4)         = 4
[pid 26974] close(3)                    = 0
[pid 26974] write(1, "executing program\n", 18) = 18
[pid 26974] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26974] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26974] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26974] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26974] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26974] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26974] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26974] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26974] exit_group(0)               = ?
[pid 26974] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26974, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26975
./strace-static-x86_64: Process 26975 attached
[pid 26975] set_robust_list(0x555555f76660, 24) = 0
[pid 26975] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26975] setpgid(0, 0)               = 0
[pid 26975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26975] write(3, "1000", 4)         = 4
[pid 26975] close(3)                    = 0
[pid 26975] write(1, "executing program\n", 18executing program
) = 18
[pid 26975] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26975] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26975] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26975] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26975] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26975] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26975] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26975] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26975] exit_group(0)               = ?
[pid 26975] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26975, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26976 attached
, child_tidptr=0x555555f76650) = 26976
[pid 26976] set_robust_list(0x555555f76660, 24) = 0
[pid 26976] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26976] setpgid(0, 0)               = 0
[pid 26976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26976] write(3, "1000", 4)         = 4
executing program
[pid 26976] close(3)                    = 0
[pid 26976] write(1, "executing program\n", 18) = 18
[pid 26976] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26976] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26976] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26976] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26976] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26976] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26976] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26976] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26976] exit_group(0)               = ?
[pid 26976] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26976, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26977 attached
, child_tidptr=0x555555f76650) = 26977
[pid 26977] set_robust_list(0x555555f76660, 24) = 0
[pid 26977] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26977] setpgid(0, 0)               = 0
[pid 26977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26977] write(3, "1000", 4executing program
)         = 4
[pid 26977] close(3)                    = 0
[pid 26977] write(1, "executing program\n", 18) = 18
[pid 26977] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26977] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26977] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26977] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26977] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26977] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26977] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26977] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26977] exit_group(0)               = ?
[pid 26977] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26977, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26978
./strace-static-x86_64: Process 26978 attached
[pid 26978] set_robust_list(0x555555f76660, 24) = 0
[pid 26978] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26978] setpgid(0, 0)               = 0
[pid 26978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26978] write(3, "1000", 4)         = 4
[pid 26978] close(3)                    = 0
executing program
[pid 26978] write(1, "executing program\n", 18) = 18
[pid 26978] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26978] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26978] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26978] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26978] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26978] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26978] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26978] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26978] exit_group(0)               = ?
[pid 26978] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26978, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26979 attached
, child_tidptr=0x555555f76650) = 26979
[pid 26979] set_robust_list(0x555555f76660, 24) = 0
[pid 26979] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26979] setpgid(0, 0)               = 0
[pid 26979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26979] write(3, "1000", 4)         = 4
executing program
[pid 26979] close(3)                    = 0
[pid 26979] write(1, "executing program\n", 18) = 18
[pid 26979] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26979] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26979] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26979] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26979] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26979] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26979] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26979] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26979] exit_group(0)               = ?
[pid 26979] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26979, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26980 attached
, child_tidptr=0x555555f76650) = 26980
[pid 26980] set_robust_list(0x555555f76660, 24) = 0
[pid 26980] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26980] setpgid(0, 0)               = 0
[pid 26980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26980] write(3, "1000", 4)         = 4
[pid 26980] close(3)                    = 0
executing program
[pid 26980] write(1, "executing program\n", 18) = 18
[pid 26980] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26980] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26980] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26980] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26980] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26980] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26980] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26980] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26980] exit_group(0)               = ?
[pid 26980] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26980, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26981
./strace-static-x86_64: Process 26981 attached
[pid 26981] set_robust_list(0x555555f76660, 24) = 0
[pid 26981] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26981] setpgid(0, 0)               = 0
[pid 26981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26981] write(3, "1000", 4)         = 4
[pid 26981] close(3)                    = 0
executing program
[pid 26981] write(1, "executing program\n", 18) = 18
[pid 26981] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26981] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26981] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26981] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26981] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26981] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26981] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26981] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26981] exit_group(0)               = ?
[pid 26981] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26981, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26982 attached
, child_tidptr=0x555555f76650) = 26982
[pid 26982] set_robust_list(0x555555f76660, 24) = 0
[pid 26982] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26982] setpgid(0, 0)               = 0
[pid 26982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26982] write(3, "1000", 4)         = 4
[pid 26982] close(3executing program
)                    = 0
[pid 26982] write(1, "executing program\n", 18) = 18
[pid 26982] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26982] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26982] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26982] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26982] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26982] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26982] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26982] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26982] exit_group(0)               = ?
[pid 26982] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26982, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26983 attached
, child_tidptr=0x555555f76650) = 26983
[pid 26983] set_robust_list(0x555555f76660, 24) = 0
[pid 26983] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26983] setpgid(0, 0)               = 0
[pid 26983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26983] write(3, "1000", 4)         = 4
[pid 26983] close(3)                    = 0
[pid 26983] write(1, "executing program\n", 18executing program
) = 18
[pid 26983] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26983] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26983] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26983] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26983] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26983] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26983] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26983] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26983] exit_group(0)               = ?
[pid 26983] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26983, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26984 attached
, child_tidptr=0x555555f76650) = 26984
[pid 26984] set_robust_list(0x555555f76660, 24) = 0
[pid 26984] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26984] setpgid(0, 0)               = 0
[pid 26984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26984] write(3, "1000", 4)         = 4
[pid 26984] close(3)                    = 0
executing program
[pid 26984] write(1, "executing program\n", 18) = 18
[pid 26984] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26984] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26984] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26984] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26984] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26984] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26984] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26984] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26984] exit_group(0)               = ?
[pid 26984] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26984, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26985
./strace-static-x86_64: Process 26985 attached
[pid 26985] set_robust_list(0x555555f76660, 24) = 0
[pid 26985] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26985] setpgid(0, 0)               = 0
[pid 26985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26985] write(3, "1000", 4)         = 4
[pid 26985] close(3)                    = 0
executing program
[pid 26985] write(1, "executing program\n", 18) = 18
[pid 26985] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26985] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26985] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26985] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26985] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26985] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26985] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26985] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26985] exit_group(0)               = ?
[pid 26985] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26985, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26986 attached
, child_tidptr=0x555555f76650) = 26986
[pid 26986] set_robust_list(0x555555f76660, 24) = 0
[pid 26986] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26986] setpgid(0, 0)               = 0
[pid 26986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26986] write(3, "1000", 4)         = 4
[pid 26986] close(3)                    = 0
[pid 26986] write(1, "executing program\n", 18executing program
) = 18
[pid 26986] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26986] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26986] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26986] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26986] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26986] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26986] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26986] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26986] exit_group(0)               = ?
[pid 26986] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26986, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26987 attached
, child_tidptr=0x555555f76650) = 26987
[pid 26987] set_robust_list(0x555555f76660, 24) = 0
[pid 26987] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26987] setpgid(0, 0)               = 0
[pid 26987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26987] write(3, "1000", 4)         = 4
[pid 26987] close(3)                    = 0
[pid 26987] write(1, "executing program\n", 18executing program
) = 18
[pid 26987] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26987] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26987] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26987] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26987] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26987] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26987] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26987] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26987] exit_group(0)               = ?
[pid 26987] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26987, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26988 attached
, child_tidptr=0x555555f76650) = 26988
[pid 26988] set_robust_list(0x555555f76660, 24) = 0
[pid 26988] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26988] setpgid(0, 0)               = 0
[pid 26988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26988] write(3, "1000", 4)         = 4
[pid 26988] close(3)                    = 0
[pid 26988] write(1, "executing program\n", 18executing program
) = 18
[pid 26988] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26988] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26988] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26988] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26988] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26988] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26988] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26988] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26988] exit_group(0)               = ?
[pid 26988] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26988, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26989 attached
, child_tidptr=0x555555f76650) = 26989
[pid 26989] set_robust_list(0x555555f76660, 24) = 0
[pid 26989] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26989] setpgid(0, 0)               = 0
[pid 26989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26989] write(3, "1000", 4)         = 4
[pid 26989] close(3)                    = 0
[pid 26989] write(1, "executing program\n", 18executing program
) = 18
[pid 26989] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26989] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26989] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26989] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26989] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26989] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26989] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26989] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26989] exit_group(0)               = ?
[pid 26989] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26989, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26990 attached
, child_tidptr=0x555555f76650) = 26990
[pid 26990] set_robust_list(0x555555f76660, 24) = 0
[pid 26990] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26990] setpgid(0, 0)               = 0
[pid 26990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26990] write(3, "1000", 4)         = 4
[pid 26990] close(3)                    = 0
[pid 26990] write(1, "executing program\n", 18) = 18
[pid 26990] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26990] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26990] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26990] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26990] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26990] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26990] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26990] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26990] exit_group(0)               = ?
[pid 26990] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26990, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26991 attached
, child_tidptr=0x555555f76650) = 26991
[pid 26991] set_robust_list(0x555555f76660, 24) = 0
[pid 26991] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26991] setpgid(0, 0)               = 0
[pid 26991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 26991] write(3, "1000", 4)         = 4
[pid 26991] close(3)                    = 0
[pid 26991] write(1, "executing program\n", 18) = 18
[pid 26991] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26991] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26991] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26991] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26991] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26991] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26991] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26991] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26991] exit_group(0)               = ?
[pid 26991] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26991, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26992
./strace-static-x86_64: Process 26992 attached
[pid 26992] set_robust_list(0x555555f76660, 24) = 0
[pid 26992] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26992] setpgid(0, 0)               = 0
[pid 26992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26992] write(3, "1000", 4executing program
)         = 4
[pid 26992] close(3)                    = 0
[pid 26992] write(1, "executing program\n", 18) = 18
[pid 26992] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26992] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26992] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26992] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26992] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26992] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26992] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26992] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26992] exit_group(0)               = ?
[pid 26992] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26992, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26993
./strace-static-x86_64: Process 26993 attached
[pid 26993] set_robust_list(0x555555f76660, 24) = 0
[pid 26993] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26993] setpgid(0, 0)               = 0
[pid 26993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26993] write(3, "1000", 4)         = 4
[pid 26993] close(3)                    = 0
executing program
[pid 26993] write(1, "executing program\n", 18) = 18
[pid 26993] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26993] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26993] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26993] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26993] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26993] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26993] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26993] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26993] exit_group(0)               = ?
[pid 26993] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26993, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26994 attached
, child_tidptr=0x555555f76650) = 26994
[pid 26994] set_robust_list(0x555555f76660, 24) = 0
[pid 26994] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26994] setpgid(0, 0)               = 0
[pid 26994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26994] write(3, "1000", 4)         = 4
[pid 26994] close(3)                    = 0
executing program
[pid 26994] write(1, "executing program\n", 18) = 18
[pid 26994] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26994] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26994] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26994] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26994] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26994] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26994] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26994] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26994] exit_group(0)               = ?
[pid 26994] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26994, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26995 attached
, child_tidptr=0x555555f76650) = 26995
[pid 26995] set_robust_list(0x555555f76660, 24) = 0
[pid 26995] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26995] setpgid(0, 0)               = 0
[pid 26995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26995] write(3, "1000", 4)         = 4
[pid 26995] close(3executing program
)                    = 0
[pid 26995] write(1, "executing program\n", 18) = 18
[pid 26995] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26995] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26995] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26995] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26995] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26995] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26995] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26995] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26995] exit_group(0)               = ?
[pid 26995] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26995, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26996 attached
, child_tidptr=0x555555f76650) = 26996
[pid 26996] set_robust_list(0x555555f76660, 24) = 0
[pid 26996] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26996] setpgid(0, 0)               = 0
[pid 26996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26996] write(3, "1000", 4)         = 4
[pid 26996] close(3)                    = 0
[pid 26996] write(1, "executing program\n", 18executing program
) = 18
[pid 26996] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26996] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26996] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26996] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26996] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26996] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26996] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26996] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26996] exit_group(0)               = ?
[pid 26996] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26996, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26997
./strace-static-x86_64: Process 26997 attached
[pid 26997] set_robust_list(0x555555f76660, 24) = 0
[pid 26997] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26997] setpgid(0, 0)               = 0
[pid 26997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26997] write(3, "1000", 4)         = 4
[pid 26997] close(3)                    = 0
[pid 26997] write(1, "executing program\n", 18executing program
) = 18
[pid 26997] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26997] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26997] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26997] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26997] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26997] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26997] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26997] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26997] exit_group(0)               = ?
[pid 26997] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26997, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 26998 attached
, child_tidptr=0x555555f76650) = 26998
[pid 26998] set_robust_list(0x555555f76660, 24) = 0
[pid 26998] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26998] setpgid(0, 0)               = 0
[pid 26998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26998] write(3, "1000", 4)         = 4
[pid 26998] close(3)                    = 0
[pid 26998] write(1, "executing program\n", 18executing program
) = 18
[pid 26998] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26998] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26998] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26998] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26998] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26998] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26998] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26998] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26998] exit_group(0)               = ?
[pid 26998] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26998, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 26999
./strace-static-x86_64: Process 26999 attached
[pid 26999] set_robust_list(0x555555f76660, 24) = 0
[pid 26999] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 26999] setpgid(0, 0)               = 0
[pid 26999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 26999] write(3, "1000", 4)         = 4
[pid 26999] close(3)                    = 0
executing program
[pid 26999] write(1, "executing program\n", 18) = 18
[pid 26999] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 26999] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26999] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 26999] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 26999] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 26999] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 26999] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 26999] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 26999] exit_group(0)               = ?
[pid 26999] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26999, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27000 attached
, child_tidptr=0x555555f76650) = 27000
[pid 27000] set_robust_list(0x555555f76660, 24) = 0
[pid 27000] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27000] setpgid(0, 0)               = 0
[pid 27000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27000] write(3, "1000", 4)         = 4
[pid 27000] close(3)                    = 0
[pid 27000] write(1, "executing program\n", 18executing program
) = 18
[pid 27000] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27000] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27000] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27000] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27000] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27000] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27000] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27000] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27000] exit_group(0)               = ?
[pid 27000] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27000, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27001
./strace-static-x86_64: Process 27001 attached
[pid 27001] set_robust_list(0x555555f76660, 24) = 0
[pid 27001] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27001] setpgid(0, 0)               = 0
[pid 27001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27001] write(3, "1000", 4)         = 4
[pid 27001] close(3)                    = 0
executing program
[pid 27001] write(1, "executing program\n", 18) = 18
[pid 27001] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27001] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27001] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27001] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27001] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27001] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27001] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27001] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27001] exit_group(0)               = ?
[pid 27001] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27001, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27002
./strace-static-x86_64: Process 27002 attached
[pid 27002] set_robust_list(0x555555f76660, 24) = 0
[pid 27002] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27002] setpgid(0, 0)               = 0
[pid 27002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27002] write(3, "1000", 4)         = 4
[pid 27002] close(3)                    = 0
[pid 27002] write(1, "executing program\n", 18executing program
) = 18
[pid 27002] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27002] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27002] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27002] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27002] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27002] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27002] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27002] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27002] exit_group(0)               = ?
[pid 27002] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27002, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27003 attached
, child_tidptr=0x555555f76650) = 27003
[pid 27003] set_robust_list(0x555555f76660, 24) = 0
[pid 27003] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27003] setpgid(0, 0)               = 0
[pid 27003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27003] write(3, "1000", 4)         = 4
[pid 27003] close(3executing program
)                    = 0
[pid 27003] write(1, "executing program\n", 18) = 18
[pid 27003] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27003] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27003] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27003] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27003] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27003] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27003] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27003] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27003] exit_group(0)               = ?
[pid 27003] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27003, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27004
./strace-static-x86_64: Process 27004 attached
[pid 27004] set_robust_list(0x555555f76660, 24) = 0
[pid 27004] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27004] setpgid(0, 0)               = 0
[pid 27004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27004] write(3, "1000", 4executing program
)         = 4
[pid 27004] close(3)                    = 0
[pid 27004] write(1, "executing program\n", 18) = 18
[pid 27004] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27004] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27004] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27004] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27004] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27004] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27004] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27004] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27004] exit_group(0)               = ?
[pid 27004] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27004, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27005 attached
, child_tidptr=0x555555f76650) = 27005
[pid 27005] set_robust_list(0x555555f76660, 24) = 0
[pid 27005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27005] setpgid(0, 0)               = 0
[pid 27005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27005] write(3, "1000", 4)         = 4
[pid 27005] close(3)                    = 0
executing program
[pid 27005] write(1, "executing program\n", 18) = 18
[pid 27005] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27005] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27005] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27005] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27005] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27005] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27005] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27005] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27005] exit_group(0)               = ?
[pid 27005] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27005, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27006
./strace-static-x86_64: Process 27006 attached
[pid 27006] set_robust_list(0x555555f76660, 24) = 0
[pid 27006] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27006] setpgid(0, 0)               = 0
[pid 27006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27006] write(3, "1000", 4)         = 4
[pid 27006] close(3)                    = 0
[pid 27006] write(1, "executing program\n", 18executing program
) = 18
[pid 27006] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27006] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27006] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27006] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27006] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27006] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27006] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27006] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27006] exit_group(0)               = ?
[pid 27006] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27006, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27007
./strace-static-x86_64: Process 27007 attached
[pid 27007] set_robust_list(0x555555f76660, 24) = 0
[pid 27007] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27007] setpgid(0, 0)               = 0
[pid 27007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27007] write(3, "1000", 4)         = 4
[pid 27007] close(3)                    = 0
[pid 27007] write(1, "executing program\n", 18executing program
) = 18
[pid 27007] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27007] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27007] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27007] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27007] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27007] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27007] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27007] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27007] exit_group(0)               = ?
[pid 27007] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27007, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27008
./strace-static-x86_64: Process 27008 attached
[pid 27008] set_robust_list(0x555555f76660, 24) = 0
[pid 27008] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27008] setpgid(0, 0)               = 0
[pid 27008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27008] write(3, "1000", 4)         = 4
[pid 27008] close(3)                    = 0
[pid 27008] write(1, "executing program\n", 18executing program
) = 18
[pid 27008] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27008] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27008] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27008] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27008] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27008] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27008] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27008] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27008] exit_group(0)               = ?
[pid 27008] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27008, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27009 attached
, child_tidptr=0x555555f76650) = 27009
[pid 27009] set_robust_list(0x555555f76660, 24) = 0
[pid 27009] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27009] setpgid(0, 0)               = 0
[pid 27009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27009] write(3, "1000", 4)         = 4
[pid 27009] close(3)                    = 0
[pid 27009] write(1, "executing program\n", 18executing program
) = 18
[pid 27009] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27009] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27009] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27009] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27009] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27009] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27009] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27009] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27009] exit_group(0)               = ?
[pid 27009] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27009, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27010 attached
, child_tidptr=0x555555f76650) = 27010
[pid 27010] set_robust_list(0x555555f76660, 24) = 0
[pid 27010] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27010] setpgid(0, 0)               = 0
[pid 27010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27010] write(3, "1000", 4)         = 4
[pid 27010] close(3)                    = 0
[pid 27010] write(1, "executing program\n", 18executing program
) = 18
[pid 27010] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27010] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27010] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27010] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27010] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27010] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27010] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27010] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27010] exit_group(0)               = ?
[pid 27010] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27010, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27011 attached
, child_tidptr=0x555555f76650) = 27011
[pid 27011] set_robust_list(0x555555f76660, 24) = 0
[pid 27011] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27011] setpgid(0, 0)               = 0
[pid 27011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27011] write(3, "1000", 4)         = 4
[pid 27011] close(3executing program
)                    = 0
[pid 27011] write(1, "executing program\n", 18) = 18
[pid 27011] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27011] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27011] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27011] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27011] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27011] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27011] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27011] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27011] exit_group(0)               = ?
[pid 27011] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27011, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27012 attached
, child_tidptr=0x555555f76650) = 27012
[pid 27012] set_robust_list(0x555555f76660, 24) = 0
[pid 27012] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27012] setpgid(0, 0)               = 0
[pid 27012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27012] write(3, "1000", 4)         = 4
[pid 27012] close(3)                    = 0
[pid 27012] write(1, "executing program\n", 18executing program
) = 18
[pid 27012] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27012] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27012] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27012] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27012] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27012] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27012] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27012] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27012] exit_group(0)               = ?
[pid 27012] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27012, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27013 attached
, child_tidptr=0x555555f76650) = 27013
[pid 27013] set_robust_list(0x555555f76660, 24) = 0
[pid 27013] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27013] setpgid(0, 0)               = 0
[pid 27013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27013] write(3, "1000", 4)         = 4
[pid 27013] close(3)                    = 0
[pid 27013] write(1, "executing program\n", 18executing program
) = 18
[pid 27013] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27013] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27013] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27013] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27013] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27013] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27013] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27013] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27013] exit_group(0)               = ?
[pid 27013] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27013, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27014
./strace-static-x86_64: Process 27014 attached
[pid 27014] set_robust_list(0x555555f76660, 24) = 0
[pid 27014] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27014] setpgid(0, 0)               = 0
[pid 27014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27014] write(3, "1000", 4)         = 4
[pid 27014] close(3executing program
)                    = 0
[pid 27014] write(1, "executing program\n", 18) = 18
[pid 27014] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27014] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27014] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27014] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27014] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27014] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27014] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27014] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27014] exit_group(0)               = ?
[pid 27014] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27014, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27015 attached
, child_tidptr=0x555555f76650) = 27015
[pid 27015] set_robust_list(0x555555f76660, 24) = 0
[pid 27015] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27015] setpgid(0, 0)               = 0
[pid 27015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27015] write(3, "1000", 4)         = 4
[pid 27015] close(3)                    = 0
[pid 27015] write(1, "executing program\n", 18executing program
) = 18
[pid 27015] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27015] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27015] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27015] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27015] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27015] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27015] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27015] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27015] exit_group(0)               = ?
[pid 27015] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27015, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27016
./strace-static-x86_64: Process 27016 attached
[pid 27016] set_robust_list(0x555555f76660, 24) = 0
[pid 27016] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27016] setpgid(0, 0)               = 0
[pid 27016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27016] write(3, "1000", 4)         = 4
[pid 27016] close(3)                    = 0
executing program
[pid 27016] write(1, "executing program\n", 18) = 18
[pid 27016] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27016] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27016] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27016] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27016] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27016] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27016] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27016] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27016] exit_group(0)               = ?
[pid 27016] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27016, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27017 attached
, child_tidptr=0x555555f76650) = 27017
[pid 27017] set_robust_list(0x555555f76660, 24) = 0
[pid 27017] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27017] setpgid(0, 0)               = 0
[pid 27017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27017] write(3, "1000", 4)         = 4
[pid 27017] close(3)                    = 0
[pid 27017] write(1, "executing program\n", 18executing program
) = 18
[pid 27017] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27017] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27017] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27017] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27017] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27017] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27017] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27017] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27017] exit_group(0)               = ?
[pid 27017] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27017, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27018 attached
, child_tidptr=0x555555f76650) = 27018
[pid 27018] set_robust_list(0x555555f76660, 24) = 0
[pid 27018] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27018] setpgid(0, 0)               = 0
[pid 27018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27018] write(3, "1000", 4)         = 4
[pid 27018] close(3executing program
)                    = 0
[pid 27018] write(1, "executing program\n", 18) = 18
[pid 27018] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27018] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27018] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27018] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27018] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27018] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27018] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27018] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27018] exit_group(0)               = ?
[pid 27018] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27018, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27019
./strace-static-x86_64: Process 27019 attached
[pid 27019] set_robust_list(0x555555f76660, 24) = 0
[pid 27019] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27019] setpgid(0, 0)               = 0
[pid 27019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27019] write(3, "1000", 4)         = 4
[pid 27019] close(3)                    = 0
executing program
[pid 27019] write(1, "executing program\n", 18) = 18
[pid 27019] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27019] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27019] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27019] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27019] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27019] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27019] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27019] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27019] exit_group(0)               = ?
[pid 27019] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27019, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27020 attached
, child_tidptr=0x555555f76650) = 27020
[pid 27020] set_robust_list(0x555555f76660, 24) = 0
[pid 27020] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27020] setpgid(0, 0)               = 0
[pid 27020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27020] write(3, "1000", 4)         = 4
[pid 27020] close(3)                    = 0
[pid 27020] write(1, "executing program\n", 18executing program
) = 18
[pid 27020] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27020] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27020] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27020] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27020] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27020] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27020] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27020] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27020] exit_group(0)               = ?
[pid 27020] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27020, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27021 attached
, child_tidptr=0x555555f76650) = 27021
[pid 27021] set_robust_list(0x555555f76660, 24) = 0
[pid 27021] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27021] setpgid(0, 0)               = 0
[pid 27021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27021] write(3, "1000", 4)         = 4
[pid 27021] close(3)                    = 0
[pid 27021] write(1, "executing program\n", 18executing program
) = 18
[pid 27021] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27021] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27021] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27021] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27021] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27021] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27021] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27021] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27021] exit_group(0)               = ?
[pid 27021] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27021, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27022 attached
, child_tidptr=0x555555f76650) = 27022
[pid 27022] set_robust_list(0x555555f76660, 24) = 0
[pid 27022] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27022] setpgid(0, 0)               = 0
[pid 27022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27022] write(3, "1000", 4)         = 4
[pid 27022] close(3)                    = 0
[pid 27022] write(1, "executing program\n", 18) = 18
[pid 27022] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27022] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27022] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27022] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27022] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27022] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27022] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27022] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27022] exit_group(0)               = ?
[pid 27022] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27022, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27023
./strace-static-x86_64: Process 27023 attached
[pid 27023] set_robust_list(0x555555f76660, 24) = 0
[pid 27023] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27023] setpgid(0, 0)               = 0
[pid 27023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27023] write(3, "1000", 4)         = 4
[pid 27023] close(3executing program
)                    = 0
[pid 27023] write(1, "executing program\n", 18) = 18
[pid 27023] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27023] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27023] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27023] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27023] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27023] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27023] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27023] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27023] exit_group(0)               = ?
[pid 27023] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27023, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27024 attached
, child_tidptr=0x555555f76650) = 27024
[pid 27024] set_robust_list(0x555555f76660, 24) = 0
[pid 27024] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27024] setpgid(0, 0)               = 0
[pid 27024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27024] write(3, "1000", 4)         = 4
executing program
[pid 27024] close(3)                    = 0
[pid 27024] write(1, "executing program\n", 18) = 18
[pid 27024] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27024] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27024] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27024] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27024] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27024] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27024] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27024] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27024] exit_group(0)               = ?
[pid 27024] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27024, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27025
./strace-static-x86_64: Process 27025 attached
[pid 27025] set_robust_list(0x555555f76660, 24) = 0
[pid 27025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27025] setpgid(0, 0)               = 0
[pid 27025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27025] write(3, "1000", 4)         = 4
[pid 27025] close(3)                    = 0
[pid 27025] write(1, "executing program\n", 18executing program
) = 18
[pid 27025] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27025] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27025] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27025] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27025] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27025] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27025] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27025] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27025] exit_group(0)               = ?
[pid 27025] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27025, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27027 attached
, child_tidptr=0x555555f76650) = 27027
[pid 27027] set_robust_list(0x555555f76660, 24) = 0
[pid 27027] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27027] setpgid(0, 0)               = 0
[pid 27027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27027] write(3, "1000", 4)         = 4
[pid 27027] close(3)                    = 0
[pid 27027] write(1, "executing program\n", 18executing program
) = 18
[pid 27027] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27027] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27027] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27027] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27027] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27027] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27027] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27027] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27027] exit_group(0)               = ?
[pid 27027] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27027, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27028 attached
, child_tidptr=0x555555f76650) = 27028
[pid 27028] set_robust_list(0x555555f76660, 24) = 0
[pid 27028] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27028] setpgid(0, 0)               = 0
[pid 27028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27028] write(3, "1000", 4)         = 4
[pid 27028] close(3)                    = 0
[pid 27028] write(1, "executing program\n", 18executing program
) = 18
[pid 27028] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27028] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27028] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27028] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27028] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27028] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27028] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27028] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27028] exit_group(0)               = ?
[pid 27028] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27028, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27029 attached
, child_tidptr=0x555555f76650) = 27029
[pid 27029] set_robust_list(0x555555f76660, 24) = 0
[pid 27029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27029] setpgid(0, 0)               = 0
[pid 27029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27029] write(3, "1000", 4)         = 4
[pid 27029] close(3)                    = 0
executing program
[pid 27029] write(1, "executing program\n", 18) = 18
[pid 27029] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27029] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27029] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27029] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27029] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27029] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27029] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27029] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27029] exit_group(0)               = ?
[pid 27029] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27029, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27030 attached
, child_tidptr=0x555555f76650) = 27030
[pid 27030] set_robust_list(0x555555f76660, 24) = 0
[pid 27030] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27030] setpgid(0, 0)               = 0
[pid 27030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27030] write(3, "1000", 4)         = 4
[pid 27030] close(3)                    = 0
[pid 27030] write(1, "executing program\n", 18executing program
) = 18
[pid 27030] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27030] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27030] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27030] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27030] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27030] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27030] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27030] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27030] exit_group(0)               = ?
[pid 27030] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27030, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27031
./strace-static-x86_64: Process 27031 attached
[pid 27031] set_robust_list(0x555555f76660, 24) = 0
[pid 27031] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27031] setpgid(0, 0)               = 0
[pid 27031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27031] write(3, "1000", 4)         = 4
[pid 27031] close(3executing program
)                    = 0
[pid 27031] write(1, "executing program\n", 18) = 18
[pid 27031] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27031] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27031] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27031] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27031] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27031] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27031] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27031] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27031] exit_group(0)               = ?
[pid 27031] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27031, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27032 attached
, child_tidptr=0x555555f76650) = 27032
[pid 27032] set_robust_list(0x555555f76660, 24) = 0
[pid 27032] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27032] setpgid(0, 0)               = 0
[pid 27032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27032] write(3, "1000", 4executing program
)         = 4
[pid 27032] close(3)                    = 0
[pid 27032] write(1, "executing program\n", 18) = 18
[pid 27032] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27032] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27032] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27032] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27032] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27032] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27032] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27032] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27032] exit_group(0)               = ?
[pid 27032] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27032, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27033 attached
, child_tidptr=0x555555f76650) = 27033
[pid 27033] set_robust_list(0x555555f76660, 24) = 0
[pid 27033] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27033] setpgid(0, 0)               = 0
[pid 27033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27033] write(3, "1000", 4)         = 4
[pid 27033] close(3)                    = 0
[pid 27033] write(1, "executing program\n", 18) = 18
[pid 27033] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27033] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27033] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27033] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27033] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27033] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27033] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27033] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27033] exit_group(0)               = ?
[pid 27033] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27033, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27034 attached
, child_tidptr=0x555555f76650) = 27034
[pid 27034] set_robust_list(0x555555f76660, 24) = 0
[pid 27034] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27034] setpgid(0, 0)               = 0
[pid 27034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27034] write(3, "1000", 4)         = 4
[pid 27034] close(3)                    = 0
[pid 27034] write(1, "executing program\n", 18executing program
) = 18
[pid 27034] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27034] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27034] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27034] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27034] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27034] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27034] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27034] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27034] exit_group(0)               = ?
[pid 27034] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27034, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27035
./strace-static-x86_64: Process 27035 attached
[pid 27035] set_robust_list(0x555555f76660, 24) = 0
[pid 27035] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27035] setpgid(0, 0)               = 0
[pid 27035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27035] write(3, "1000", 4)         = 4
[pid 27035] close(3)                    = 0
[pid 27035] write(1, "executing program\n", 18executing program
) = 18
[pid 27035] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27035] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27035] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27035] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27035] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27035] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27035] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27035] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27035] exit_group(0)               = ?
[pid 27035] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27035, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27036 attached
, child_tidptr=0x555555f76650) = 27036
[pid 27036] set_robust_list(0x555555f76660, 24) = 0
[pid 27036] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27036] setpgid(0, 0)               = 0
[pid 27036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27036] write(3, "1000", 4)         = 4
[pid 27036] close(3)                    = 0
[pid 27036] write(1, "executing program\n", 18executing program
) = 18
[pid 27036] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27036] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27036] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27036] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27036] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27036] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27036] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27036] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27036] exit_group(0)               = ?
[pid 27036] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27036, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27037 attached
, child_tidptr=0x555555f76650) = 27037
[pid 27037] set_robust_list(0x555555f76660, 24) = 0
[pid 27037] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27037] setpgid(0, 0)               = 0
[pid 27037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27037] write(3, "1000", 4)         = 4
[pid 27037] close(3)                    = 0
executing program
[pid 27037] write(1, "executing program\n", 18) = 18
[pid 27037] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27037] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27037] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27037] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27037] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27037] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27037] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27037] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27037] exit_group(0)               = ?
[pid 27037] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27037, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27038
./strace-static-x86_64: Process 27038 attached
[pid 27038] set_robust_list(0x555555f76660, 24) = 0
[pid 27038] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27038] setpgid(0, 0)               = 0
[pid 27038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27038] write(3, "1000", 4)         = 4
[pid 27038] close(3)                    = 0
[pid 27038] write(1, "executing program\n", 18) = 18
executing program
[pid 27038] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27038] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27038] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27038] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27038] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27038] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27038] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27038] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27038] exit_group(0)               = ?
[pid 27038] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27038, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27039 attached
, child_tidptr=0x555555f76650) = 27039
[pid 27039] set_robust_list(0x555555f76660, 24) = 0
[pid 27039] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27039] setpgid(0, 0)               = 0
[pid 27039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27039] write(3, "1000", 4)         = 4
[pid 27039] close(3)                    = 0
[pid 27039] write(1, "executing program\n", 18executing program
) = 18
[pid 27039] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27039] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27039] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27039] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27039] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27039] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27039] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27039] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27039] exit_group(0)               = ?
[pid 27039] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27039, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27040 attached
, child_tidptr=0x555555f76650) = 27040
[pid 27040] set_robust_list(0x555555f76660, 24) = 0
[pid 27040] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27040] setpgid(0, 0)               = 0
[pid 27040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27040] write(3, "1000", 4)         = 4
[pid 27040] close(3)                    = 0
[pid 27040] write(1, "executing program\n", 18executing program
) = 18
[pid 27040] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27040] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27040] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27040] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27040] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27040] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27040] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27040] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27040] exit_group(0)               = ?
[pid 27040] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27040, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27041
./strace-static-x86_64: Process 27041 attached
[pid 27041] set_robust_list(0x555555f76660, 24) = 0
[pid 27041] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27041] setpgid(0, 0)               = 0
[pid 27041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27041] write(3, "1000", 4)         = 4
[pid 27041] close(3)                    = 0
executing program
[pid 27041] write(1, "executing program\n", 18) = 18
[pid 27041] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27041] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27041] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27041] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27041] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27041] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27041] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27041] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27041] exit_group(0)               = ?
[pid 27041] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27041, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27042 attached
, child_tidptr=0x555555f76650) = 27042
[pid 27042] set_robust_list(0x555555f76660, 24) = 0
[pid 27042] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27042] setpgid(0, 0)               = 0
[pid 27042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27042] write(3, "1000", 4)         = 4
[pid 27042] close(3)                    = 0
[pid 27042] write(1, "executing program\n", 18executing program
) = 18
[pid 27042] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27042] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27042] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27042] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27042] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27042] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27042] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27042] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27042] exit_group(0)               = ?
[pid 27042] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27042, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27043 attached
, child_tidptr=0x555555f76650) = 27043
[pid 27043] set_robust_list(0x555555f76660, 24) = 0
[pid 27043] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27043] setpgid(0, 0)               = 0
[pid 27043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27043] write(3, "1000", 4)         = 4
executing program
[pid 27043] close(3)                    = 0
[pid 27043] write(1, "executing program\n", 18) = 18
[pid 27043] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27043] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27043] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27043] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27043] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27043] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27043] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27043] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27043] exit_group(0)               = ?
[pid 27043] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27043, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27044 attached
, child_tidptr=0x555555f76650) = 27044
[pid 27044] set_robust_list(0x555555f76660, 24) = 0
[pid 27044] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27044] setpgid(0, 0)               = 0
[pid 27044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27044] write(3, "1000", 4)         = 4
[pid 27044] close(3executing program
)                    = 0
[pid 27044] write(1, "executing program\n", 18) = 18
[pid 27044] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27044] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27044] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27044] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27044] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27044] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27044] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27044] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27044] exit_group(0)               = ?
[pid 27044] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27044, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27045
./strace-static-x86_64: Process 27045 attached
[pid 27045] set_robust_list(0x555555f76660, 24) = 0
[pid 27045] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27045] setpgid(0, 0)               = 0
[pid 27045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27045] write(3, "1000", 4)         = 4
[pid 27045] close(3)                    = 0
[pid 27045] write(1, "executing program\n", 18executing program
) = 18
[pid 27045] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27045] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27045] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27045] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27045] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27045] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27045] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27045] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27045] exit_group(0)               = ?
[pid 27045] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27045, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27046
./strace-static-x86_64: Process 27046 attached
[pid 27046] set_robust_list(0x555555f76660, 24) = 0
[pid 27046] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27046] setpgid(0, 0)               = 0
[pid 27046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27046] write(3, "1000", 4)         = 4
[pid 27046] close(3)                    = 0
[pid 27046] write(1, "executing program\n", 18executing program
) = 18
[pid 27046] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27046] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27046] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27046] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27046] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27046] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27046] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27046] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27046] exit_group(0)               = ?
[pid 27046] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27046, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27047
./strace-static-x86_64: Process 27047 attached
[pid 27047] set_robust_list(0x555555f76660, 24) = 0
[pid 27047] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27047] setpgid(0, 0)               = 0
[pid 27047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27047] write(3, "1000", 4executing program
)         = 4
[pid 27047] close(3)                    = 0
[pid 27047] write(1, "executing program\n", 18) = 18
[pid 27047] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27047] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27047] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27047] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27047] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27047] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27047] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27047] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27047] exit_group(0)               = ?
[pid 27047] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27047, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27048 attached
, child_tidptr=0x555555f76650) = 27048
[pid 27048] set_robust_list(0x555555f76660, 24) = 0
[pid 27048] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27048] setpgid(0, 0)               = 0
[pid 27048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27048] write(3, "1000", 4)         = 4
[pid 27048] close(3executing program
)                    = 0
[pid 27048] write(1, "executing program\n", 18) = 18
[pid 27048] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27048] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27048] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27048] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27048] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27048] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27048] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27048] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27048] exit_group(0)               = ?
[pid 27048] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27048, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27049
./strace-static-x86_64: Process 27049 attached
[pid 27049] set_robust_list(0x555555f76660, 24) = 0
[pid 27049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27049] setpgid(0, 0)               = 0
[pid 27049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27049] write(3, "1000", 4)         = 4
[pid 27049] close(3)                    = 0
[pid 27049] write(1, "executing program\n", 18executing program
) = 18
[pid 27049] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27049] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27049] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27049] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27049] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27049] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27049] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27049] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27049] exit_group(0)               = ?
[pid 27049] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27049, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27050 attached
, child_tidptr=0x555555f76650) = 27050
[pid 27050] set_robust_list(0x555555f76660, 24) = 0
[pid 27050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27050] setpgid(0, 0)               = 0
[pid 27050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27050] write(3, "1000", 4)         = 4
executing program
[pid 27050] close(3)                    = 0
[pid 27050] write(1, "executing program\n", 18) = 18
[pid 27050] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27050] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27050] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27050] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27050] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27050] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27050] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27050] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27050] exit_group(0)               = ?
[pid 27050] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27050, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27051 attached
, child_tidptr=0x555555f76650) = 27051
[pid 27051] set_robust_list(0x555555f76660, 24) = 0
[pid 27051] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27051] setpgid(0, 0)               = 0
[pid 27051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27051] write(3, "1000", 4)         = 4
[pid 27051] close(3)                    = 0
executing program
[pid 27051] write(1, "executing program\n", 18) = 18
[pid 27051] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27051] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27051] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27051] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27051] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27051] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27051] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27051] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27051] exit_group(0)               = ?
[pid 27051] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27051, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27052
./strace-static-x86_64: Process 27052 attached
[pid 27052] set_robust_list(0x555555f76660, 24) = 0
[pid 27052] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27052] setpgid(0, 0)               = 0
[pid 27052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27052] write(3, "1000", 4)         = 4
[pid 27052] close(3)                    = 0
[pid 27052] write(1, "executing program\n", 18executing program
) = 18
[pid 27052] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27052] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27052] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27052] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27052] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27052] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27052] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27052] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27052] exit_group(0)               = ?
[pid 27052] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27052, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27053 attached
, child_tidptr=0x555555f76650) = 27053
[pid 27053] set_robust_list(0x555555f76660, 24) = 0
[pid 27053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27053] setpgid(0, 0)               = 0
[pid 27053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27053] write(3, "1000", 4)         = 4
[pid 27053] close(3)                    = 0
[pid 27053] write(1, "executing program\n", 18) = 18
[pid 27053] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27053] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27053] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27053] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27053] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27053] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27053] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27053] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27053] exit_group(0)               = ?
[pid 27053] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27053, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27054
./strace-static-x86_64: Process 27054 attached
[pid 27054] set_robust_list(0x555555f76660, 24) = 0
[pid 27054] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27054] setpgid(0, 0)               = 0
[pid 27054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27054] write(3, "1000", 4)         = 4
[pid 27054] close(3)                    = 0
[pid 27054] write(1, "executing program\n", 18executing program
) = 18
[pid 27054] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27054] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27054] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27054] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27054] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27054] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27054] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27054] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27054] exit_group(0)               = ?
[pid 27054] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27054, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27055 attached
, child_tidptr=0x555555f76650) = 27055
[pid 27055] set_robust_list(0x555555f76660, 24) = 0
[pid 27055] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27055] setpgid(0, 0)               = 0
[pid 27055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27055] write(3, "1000", 4)         = 4
[pid 27055] close(3)                    = 0
[pid 27055] write(1, "executing program\n", 18) = 18
[pid 27055] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27055] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27055] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27055] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27055] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27055] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27055] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27055] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27055] exit_group(0)               = ?
[pid 27055] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27055, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27056 attached
, child_tidptr=0x555555f76650) = 27056
[pid 27056] set_robust_list(0x555555f76660, 24) = 0
[pid 27056] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27056] setpgid(0, 0)               = 0
[pid 27056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27056] write(3, "1000", 4)         = 4
[pid 27056] close(3)                    = 0
[pid 27056] write(1, "executing program\n", 18executing program
) = 18
[pid 27056] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27056] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27056] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27056] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27056] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27056] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27056] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27056] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27056] exit_group(0)               = ?
[pid 27056] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27056, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27057 attached
, child_tidptr=0x555555f76650) = 27057
[pid 27057] set_robust_list(0x555555f76660, 24) = 0
[pid 27057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27057] setpgid(0, 0)               = 0
[pid 27057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27057] write(3, "1000", 4)         = 4
[pid 27057] close(3)                    = 0
[pid 27057] write(1, "executing program\n", 18) = 18
[pid 27057] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27057] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27057] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27057] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27057] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27057] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27057] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27057] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27057] exit_group(0)               = ?
[pid 27057] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27057, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27058 attached
, child_tidptr=0x555555f76650) = 27058
[pid 27058] set_robust_list(0x555555f76660, 24) = 0
[pid 27058] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27058] setpgid(0, 0)               = 0
[pid 27058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27058] write(3, "1000", 4)         = 4
[pid 27058] close(3)                    = 0
[pid 27058] write(1, "executing program\n", 18) = 18
[pid 27058] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27058] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27058] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27058] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27058] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27058] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27058] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27058] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27058] exit_group(0)               = ?
[pid 27058] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27058, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27059 attached
, child_tidptr=0x555555f76650) = 27059
[pid 27059] set_robust_list(0x555555f76660, 24) = 0
[pid 27059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27059] setpgid(0, 0)               = 0
[pid 27059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27059] write(3, "1000", 4)         = 4
[pid 27059] close(3)                    = 0
[pid 27059] write(1, "executing program\n", 18executing program
) = 18
[pid 27059] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27059] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27059] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27059] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27059] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27059] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27059] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27059] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27059] exit_group(0)               = ?
[pid 27059] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27059, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27060 attached
, child_tidptr=0x555555f76650) = 27060
[pid 27060] set_robust_list(0x555555f76660, 24) = 0
[pid 27060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27060] setpgid(0, 0)               = 0
[pid 27060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27060] write(3, "1000", 4)         = 4
[pid 27060] close(3)                    = 0
[pid 27060] write(1, "executing program\n", 18executing program
) = 18
[pid 27060] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27060] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27060] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27060] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27060] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27060] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27060] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27060] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27060] exit_group(0)               = ?
[pid 27060] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27060, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27061 attached
, child_tidptr=0x555555f76650) = 27061
[pid 27061] set_robust_list(0x555555f76660, 24) = 0
[pid 27061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27061] setpgid(0, 0)               = 0
[pid 27061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27061] write(3, "1000", 4)         = 4
[pid 27061] close(3)                    = 0
[pid 27061] write(1, "executing program\n", 18executing program
) = 18
[pid 27061] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27061] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27061] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27061] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27061] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27061] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27061] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27061] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27061] exit_group(0)               = ?
[pid 27061] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27061, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27062
./strace-static-x86_64: Process 27062 attached
[pid 27062] set_robust_list(0x555555f76660, 24) = 0
[pid 27062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27062] setpgid(0, 0)               = 0
[pid 27062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27062] write(3, "1000", 4)         = 4
[pid 27062] close(3)                    = 0
executing program
[pid 27062] write(1, "executing program\n", 18) = 18
[pid 27062] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27062] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27062] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27062] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27062] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27062] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27062] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27062] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27062] exit_group(0)               = ?
[pid 27062] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27062, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27063 attached
, child_tidptr=0x555555f76650) = 27063
[pid 27063] set_robust_list(0x555555f76660, 24) = 0
[pid 27063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27063] setpgid(0, 0)               = 0
[pid 27063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27063] write(3, "1000", 4)         = 4
[pid 27063] close(3)                    = 0
[pid 27063] write(1, "executing program\n", 18executing program
) = 18
[pid 27063] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27063] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27063] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27063] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27063] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27063] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27063] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27063] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27063] exit_group(0)               = ?
[pid 27063] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27063, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27064 attached
, child_tidptr=0x555555f76650) = 27064
[pid 27064] set_robust_list(0x555555f76660, 24) = 0
[pid 27064] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27064] setpgid(0, 0)               = 0
[pid 27064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27064] write(3, "1000", 4)         = 4
[pid 27064] close(3)                    = 0
executing program
[pid 27064] write(1, "executing program\n", 18) = 18
[pid 27064] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27064] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27064] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27064] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27064] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27064] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27064] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27064] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27064] exit_group(0)               = ?
[pid 27064] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27064, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27065 attached
, child_tidptr=0x555555f76650) = 27065
[pid 27065] set_robust_list(0x555555f76660, 24) = 0
[pid 27065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27065] setpgid(0, 0)               = 0
[pid 27065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27065] write(3, "1000", 4)         = 4
executing program
[pid 27065] close(3)                    = 0
[pid 27065] write(1, "executing program\n", 18) = 18
[pid 27065] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27065] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27065] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27065] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27065] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27065] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27065] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27065] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27065] exit_group(0)               = ?
[pid 27065] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27065, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27066
./strace-static-x86_64: Process 27066 attached
[pid 27066] set_robust_list(0x555555f76660, 24) = 0
[pid 27066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27066] setpgid(0, 0)               = 0
[pid 27066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27066] write(3, "1000", 4)         = 4
[pid 27066] close(3)                    = 0
[pid 27066] write(1, "executing program\n", 18executing program
) = 18
[pid 27066] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27066] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27066] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27066] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27066] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27066] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27066] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27066] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27066] exit_group(0)               = ?
[pid 27066] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27066, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27067
./strace-static-x86_64: Process 27067 attached
[pid 27067] set_robust_list(0x555555f76660, 24) = 0
[pid 27067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27067] setpgid(0, 0)               = 0
[pid 27067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27067] write(3, "1000", 4)         = 4
[pid 27067] close(3)                    = 0
[pid 27067] write(1, "executing program\n", 18executing program
) = 18
[pid 27067] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27067] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27067] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27067] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27067] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27067] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27067] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27067] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27067] exit_group(0)               = ?
[pid 27067] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27067, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27068
./strace-static-x86_64: Process 27068 attached
[pid 27068] set_robust_list(0x555555f76660, 24) = 0
[pid 27068] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27068] setpgid(0, 0)               = 0
[pid 27068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27068] write(3, "1000", 4)         = 4
[pid 27068] close(3executing program
)                    = 0
[pid 27068] write(1, "executing program\n", 18) = 18
[pid 27068] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27068] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27068] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27068] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27068] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27068] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27068] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27068] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27068] exit_group(0)               = ?
[pid 27068] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27068, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27069 attached
, child_tidptr=0x555555f76650) = 27069
[pid 27069] set_robust_list(0x555555f76660, 24) = 0
[pid 27069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27069] setpgid(0, 0)               = 0
[pid 27069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27069] write(3, "1000", 4executing program
)         = 4
[pid 27069] close(3)                    = 0
[pid 27069] write(1, "executing program\n", 18) = 18
[pid 27069] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27069] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27069] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27069] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27069] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27069] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27069] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27069] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27069] exit_group(0)               = ?
[pid 27069] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27069, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27070
./strace-static-x86_64: Process 27070 attached
[pid 27070] set_robust_list(0x555555f76660, 24) = 0
[pid 27070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27070] setpgid(0, 0)               = 0
[pid 27070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27070] write(3, "1000", 4)         = 4
[pid 27070] close(3)                    = 0
[pid 27070] write(1, "executing program\n", 18executing program
) = 18
[pid 27070] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27070] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27070] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27070] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27070] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27070] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27070] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27070] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27070] exit_group(0)               = ?
[pid 27070] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27070, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27071 attached
, child_tidptr=0x555555f76650) = 27071
[pid 27071] set_robust_list(0x555555f76660, 24) = 0
[pid 27071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27071] setpgid(0, 0)               = 0
[pid 27071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27071] write(3, "1000", 4)         = 4
[pid 27071] close(3)                    = 0
[pid 27071] write(1, "executing program\n", 18executing program
) = 18
[pid 27071] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27071] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27071] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27071] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27071] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27071] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27071] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27071] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27071] exit_group(0)               = ?
[pid 27071] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27071, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27072 attached
, child_tidptr=0x555555f76650) = 27072
[pid 27072] set_robust_list(0x555555f76660, 24) = 0
[pid 27072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27072] setpgid(0, 0)               = 0
[pid 27072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27072] write(3, "1000", 4)         = 4
[pid 27072] close(3)                    = 0
[pid 27072] write(1, "executing program\n", 18) = 18
[pid 27072] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27072] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27072] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27072] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27072] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27072] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27072] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27072] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27072] exit_group(0)               = ?
[pid 27072] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27072, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27073 attached
, child_tidptr=0x555555f76650) = 27073
[pid 27073] set_robust_list(0x555555f76660, 24) = 0
[pid 27073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27073] setpgid(0, 0)               = 0
[pid 27073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27073] write(3, "1000", 4)         = 4
[pid 27073] close(3)                    = 0
[pid 27073] write(1, "executing program\n", 18) = 18
[pid 27073] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27073] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27073] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27073] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27073] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27073] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27073] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27073] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27073] exit_group(0)               = ?
[pid 27073] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27073, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27074 attached
, child_tidptr=0x555555f76650) = 27074
[pid 27074] set_robust_list(0x555555f76660, 24) = 0
[pid 27074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27074] setpgid(0, 0)               = 0
[pid 27074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27074] write(3, "1000", 4)         = 4
[pid 27074] close(3)                    = 0
[pid 27074] write(1, "executing program\n", 18executing program
) = 18
[pid 27074] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27074] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27074] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27074] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27074] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27074] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27074] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27074] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27074] exit_group(0)               = ?
[pid 27074] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27074, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27075 attached
, child_tidptr=0x555555f76650) = 27075
[pid 27075] set_robust_list(0x555555f76660, 24) = 0
[pid 27075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27075] setpgid(0, 0)               = 0
[pid 27075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27075] write(3, "1000", 4)         = 4
[pid 27075] close(3)                    = 0
[pid 27075] write(1, "executing program\n", 18executing program
) = 18
[pid 27075] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27075] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27075] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27075] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27075] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27075] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27075] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27075] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27075] exit_group(0)               = ?
[pid 27075] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27075, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27076 attached
, child_tidptr=0x555555f76650) = 27076
[pid 27076] set_robust_list(0x555555f76660, 24) = 0
[pid 27076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27076] setpgid(0, 0)               = 0
[pid 27076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27076] write(3, "1000", 4)         = 4
[pid 27076] close(3)                    = 0
[pid 27076] write(1, "executing program\n", 18executing program
) = 18
[pid 27076] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27076] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27076] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27076] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27076] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27076] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27076] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27076] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27076] exit_group(0)               = ?
[pid 27076] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27076, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27077 attached
, child_tidptr=0x555555f76650) = 27077
[pid 27077] set_robust_list(0x555555f76660, 24) = 0
[pid 27077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27077] setpgid(0, 0)               = 0
[pid 27077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27077] write(3, "1000", 4)         = 4
[pid 27077] close(3)                    = 0
[pid 27077] write(1, "executing program\n", 18executing program
) = 18
[pid 27077] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27077] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27077] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27077] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27077] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27077] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27077] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27077] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27077] exit_group(0)               = ?
[pid 27077] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27077, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27078 attached
, child_tidptr=0x555555f76650) = 27078
[pid 27078] set_robust_list(0x555555f76660, 24) = 0
[pid 27078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27078] setpgid(0, 0)               = 0
[pid 27078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27078] write(3, "1000", 4)         = 4
[pid 27078] close(3)                    = 0
executing program
[pid 27078] write(1, "executing program\n", 18) = 18
[pid 27078] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27078] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27078] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27078] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27078] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27078] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27078] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27078] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27078] exit_group(0)               = ?
[pid 27078] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27078, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27079 attached
, child_tidptr=0x555555f76650) = 27079
[pid 27079] set_robust_list(0x555555f76660, 24) = 0
[pid 27079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27079] setpgid(0, 0)               = 0
[pid 27079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27079] write(3, "1000", 4)         = 4
[pid 27079] close(3)                    = 0
[pid 27079] write(1, "executing program\n", 18executing program
) = 18
[pid 27079] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27079] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27079] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27079] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27079] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27079] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27079] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27079] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27079] exit_group(0)               = ?
[pid 27079] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27079, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27080 attached
, child_tidptr=0x555555f76650) = 27080
[pid 27080] set_robust_list(0x555555f76660, 24) = 0
[pid 27080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27080] setpgid(0, 0)               = 0
[pid 27080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27080] write(3, "1000", 4)         = 4
[pid 27080] close(3)                    = 0
executing program
[pid 27080] write(1, "executing program\n", 18) = 18
[pid 27080] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27080] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27080] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27080] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27080] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27080] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27080] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27080] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27080] exit_group(0)               = ?
[pid 27080] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27080, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27081 attached
, child_tidptr=0x555555f76650) = 27081
[pid 27081] set_robust_list(0x555555f76660, 24) = 0
[pid 27081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27081] setpgid(0, 0)               = 0
[pid 27081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27081] write(3, "1000", 4)         = 4
[pid 27081] close(3)                    = 0
executing program
[pid 27081] write(1, "executing program\n", 18) = 18
[pid 27081] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27081] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27081] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27081] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27081] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27081] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27081] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27081] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27081] exit_group(0)               = ?
[pid 27081] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27081, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27082 attached
, child_tidptr=0x555555f76650) = 27082
[pid 27082] set_robust_list(0x555555f76660, 24) = 0
[pid 27082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27082] setpgid(0, 0)               = 0
[pid 27082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27082] write(3, "1000", 4)         = 4
[pid 27082] close(3executing program
)                    = 0
[pid 27082] write(1, "executing program\n", 18) = 18
[pid 27082] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27082] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27082] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27082] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27082] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27082] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27082] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27082] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27082] exit_group(0)               = ?
[pid 27082] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27082, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27083
./strace-static-x86_64: Process 27083 attached
[pid 27083] set_robust_list(0x555555f76660, 24) = 0
[pid 27083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27083] setpgid(0, 0)               = 0
[pid 27083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27083] write(3, "1000", 4)         = 4
[pid 27083] close(3)                    = 0
executing program
[pid 27083] write(1, "executing program\n", 18) = 18
[pid 27083] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27083] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27083] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27083] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27083] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27083] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27083] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27083] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27083] exit_group(0)               = ?
[pid 27083] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27083, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27084 attached
, child_tidptr=0x555555f76650) = 27084
[pid 27084] set_robust_list(0x555555f76660, 24) = 0
[pid 27084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27084] setpgid(0, 0)               = 0
[pid 27084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27084] write(3, "1000", 4)         = 4
[pid 27084] close(3)                    = 0
executing program
[pid 27084] write(1, "executing program\n", 18) = 18
[pid 27084] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27084] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27084] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27084] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27084] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27084] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27084] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27084] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27084] exit_group(0)               = ?
[pid 27084] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27084, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27085 attached
, child_tidptr=0x555555f76650) = 27085
[pid 27085] set_robust_list(0x555555f76660, 24) = 0
[pid 27085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27085] setpgid(0, 0)               = 0
[pid 27085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27085] write(3, "1000", 4)         = 4
[pid 27085] close(3)                    = 0
[pid 27085] write(1, "executing program\n", 18executing program
) = 18
[pid 27085] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27085] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27085] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27085] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27085] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27085] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27085] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27085] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27085] exit_group(0)               = ?
[pid 27085] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27085, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27086 attached
, child_tidptr=0x555555f76650) = 27086
[pid 27086] set_robust_list(0x555555f76660, 24) = 0
[pid 27086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27086] setpgid(0, 0)               = 0
[pid 27086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27086] write(3, "1000", 4)         = 4
[pid 27086] close(3executing program
)                    = 0
[pid 27086] write(1, "executing program\n", 18) = 18
[pid 27086] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27086] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27086] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27086] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27086] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27086] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27086] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27086] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27086] exit_group(0)               = ?
[pid 27086] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27086, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27087 attached
, child_tidptr=0x555555f76650) = 27087
[pid 27087] set_robust_list(0x555555f76660, 24) = 0
[pid 27087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27087] setpgid(0, 0)               = 0
[pid 27087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27087] write(3, "1000", 4)         = 4
[pid 27087] close(3)                    = 0
[pid 27087] write(1, "executing program\n", 18executing program
) = 18
[pid 27087] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27087] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27087] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27087] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27087] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27087] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27087] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27087] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27087] exit_group(0)               = ?
[pid 27087] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27087, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27088 attached
, child_tidptr=0x555555f76650) = 27088
[pid 27088] set_robust_list(0x555555f76660, 24) = 0
[pid 27088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27088] setpgid(0, 0)               = 0
[pid 27088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27088] write(3, "1000", 4)         = 4
[pid 27088] close(3)                    = 0
[pid 27088] write(1, "executing program\n", 18) = 18
[pid 27088] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27088] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27088] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27088] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27088] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27088] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27088] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27088] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27088] exit_group(0)               = ?
[pid 27088] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27088, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27089
./strace-static-x86_64: Process 27089 attached
[pid 27089] set_robust_list(0x555555f76660, 24) = 0
[pid 27089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27089] setpgid(0, 0)               = 0
[pid 27089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27089] write(3, "1000", 4)         = 4
[pid 27089] close(3)                    = 0
[pid 27089] write(1, "executing program\n", 18executing program
) = 18
[pid 27089] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27089] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27089] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27089] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27089] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27089] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27089] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27089] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27089] exit_group(0)               = ?
[pid 27089] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27089, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27090
./strace-static-x86_64: Process 27090 attached
[pid 27090] set_robust_list(0x555555f76660, 24) = 0
[pid 27090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27090] setpgid(0, 0)               = 0
[pid 27090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27090] write(3, "1000", 4)         = 4
executing program
[pid 27090] close(3)                    = 0
[pid 27090] write(1, "executing program\n", 18) = 18
[pid 27090] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27090] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27090] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27090] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27090] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27090] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27090] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27090] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27090] exit_group(0)               = ?
[pid 27090] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27090, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27091 attached
, child_tidptr=0x555555f76650) = 27091
[pid 27091] set_robust_list(0x555555f76660, 24) = 0
[pid 27091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27091] setpgid(0, 0)               = 0
[pid 27091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27091] write(3, "1000", 4)         = 4
[pid 27091] close(3)                    = 0
[pid 27091] write(1, "executing program\n", 18executing program
) = 18
[pid 27091] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27091] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27091] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27091] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27091] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27091] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27091] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27091] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27091] exit_group(0)               = ?
[pid 27091] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27091, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27092 attached
, child_tidptr=0x555555f76650) = 27092
[pid 27092] set_robust_list(0x555555f76660, 24) = 0
[pid 27092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27092] setpgid(0, 0)               = 0
[pid 27092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
executing program
[pid 27092] write(3, "1000", 4)         = 4
[pid 27092] close(3)                    = 0
[pid 27092] write(1, "executing program\n", 18) = 18
[pid 27092] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27092] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27092] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27092] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27092] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27092] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27092] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27092] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27092] exit_group(0)               = ?
[pid 27092] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27092, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27093 attached
, child_tidptr=0x555555f76650) = 27093
[pid 27093] set_robust_list(0x555555f76660, 24) = 0
[pid 27093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27093] setpgid(0, 0)               = 0
[pid 27093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27093] write(3, "1000", 4)         = 4
[pid 27093] close(3executing program
)                    = 0
[pid 27093] write(1, "executing program\n", 18) = 18
[pid 27093] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27093] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27093] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27093] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27093] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27093] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27093] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27093] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27093] exit_group(0)               = ?
[pid 27093] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27093, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27094
./strace-static-x86_64: Process 27094 attached
[pid 27094] set_robust_list(0x555555f76660, 24) = 0
[pid 27094] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27094] setpgid(0, 0)               = 0
[pid 27094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27094] write(3, "1000", 4)         = 4
[pid 27094] close(3)                    = 0
[pid 27094] write(1, "executing program\n", 18executing program
) = 18
[pid 27094] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27094] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27094] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27094] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27094] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27094] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27094] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27094] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27094] exit_group(0)               = ?
[pid 27094] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27094, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27095 attached
, child_tidptr=0x555555f76650) = 27095
[pid 27095] set_robust_list(0x555555f76660, 24) = 0
[pid 27095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27095] setpgid(0, 0)               = 0
[pid 27095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27095] write(3, "1000", 4)         = 4
[pid 27095] close(3)                    = 0
executing program
[pid 27095] write(1, "executing program\n", 18) = 18
[pid 27095] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27095] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27095] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27095] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27095] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27095] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27095] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27095] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27095] exit_group(0)               = ?
[pid 27095] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27095, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27096
./strace-static-x86_64: Process 27096 attached
[pid 27096] set_robust_list(0x555555f76660, 24) = 0
[pid 27096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27096] setpgid(0, 0)               = 0
[pid 27096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27096] write(3, "1000", 4)         = 4
[pid 27096] close(3)                    = 0
[pid 27096] write(1, "executing program\n", 18executing program
) = 18
[pid 27096] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27096] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27096] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27096] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27096] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27096] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27096] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27096] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27096] exit_group(0)               = ?
[pid 27096] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27096, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27097
./strace-static-x86_64: Process 27097 attached
[pid 27097] set_robust_list(0x555555f76660, 24) = 0
[pid 27097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27097] setpgid(0, 0)               = 0
[pid 27097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27097] write(3, "1000", 4)         = 4
[pid 27097] close(3)                    = 0
executing program
[pid 27097] write(1, "executing program\n", 18) = 18
[pid 27097] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27097] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27097] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27097] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27097] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27097] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27097] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27097] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27097] exit_group(0)               = ?
[pid 27097] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27097, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27098 attached
, child_tidptr=0x555555f76650) = 27098
[pid 27098] set_robust_list(0x555555f76660, 24) = 0
[pid 27098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27098] setpgid(0, 0)               = 0
[pid 27098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27098] write(3, "1000", 4)         = 4
[pid 27098] close(3)                    = 0
executing program
[pid 27098] write(1, "executing program\n", 18) = 18
[pid 27098] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27098] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27098] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27098] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27098] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27098] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27098] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27098] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27098] exit_group(0)               = ?
[pid 27098] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27098, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27099 attached
, child_tidptr=0x555555f76650) = 27099
[pid 27099] set_robust_list(0x555555f76660, 24) = 0
[pid 27099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27099] setpgid(0, 0)               = 0
[pid 27099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27099] write(3, "1000", 4)         = 4
[pid 27099] close(3)                    = 0
[pid 27099] write(1, "executing program\n", 18executing program
) = 18
[pid 27099] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27099] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27099] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27099] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27099] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27099] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27099] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27099] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27099] exit_group(0)               = ?
[pid 27099] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27099, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27100
./strace-static-x86_64: Process 27100 attached
[pid 27100] set_robust_list(0x555555f76660, 24) = 0
[pid 27100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27100] setpgid(0, 0)               = 0
[pid 27100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27100] write(3, "1000", 4executing program
)         = 4
[pid 27100] close(3)                    = 0
[pid 27100] write(1, "executing program\n", 18) = 18
[pid 27100] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27100] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27100] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27100] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27100] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27100] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27100] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27100] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27100] exit_group(0)               = ?
[pid 27100] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27100, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27101 attached
, child_tidptr=0x555555f76650) = 27101
[pid 27101] set_robust_list(0x555555f76660, 24) = 0
[pid 27101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27101] setpgid(0, 0)               = 0
[pid 27101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27101] write(3, "1000", 4)         = 4
[pid 27101] close(3)                    = 0
[pid 27101] write(1, "executing program\n", 18) = 18
[pid 27101] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27101] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27101] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27101] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27101] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27101] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27101] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27101] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27101] exit_group(0)               = ?
[pid 27101] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27101, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27102 attached
, child_tidptr=0x555555f76650) = 27102
[pid 27102] set_robust_list(0x555555f76660, 24) = 0
[pid 27102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27102] setpgid(0, 0)               = 0
[pid 27102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27102] write(3, "1000", 4)         = 4
[pid 27102] close(3)                    = 0
executing program
[pid 27102] write(1, "executing program\n", 18) = 18
[pid 27102] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27102] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27102] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27102] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27102] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27102] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27102] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27102] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27102] exit_group(0)               = ?
[pid 27102] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27102, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27103 attached
, child_tidptr=0x555555f76650) = 27103
[pid 27103] set_robust_list(0x555555f76660, 24) = 0
[pid 27103] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27103] setpgid(0, 0)               = 0
[pid 27103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27103] write(3, "1000", 4)         = 4
[pid 27103] close(3)                    = 0
executing program
[pid 27103] write(1, "executing program\n", 18) = 18
[pid 27103] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27103] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27103] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27103] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27103] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27103] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27103] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27103] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27103] exit_group(0)               = ?
[pid 27103] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27103, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27104
./strace-static-x86_64: Process 27104 attached
[pid 27104] set_robust_list(0x555555f76660, 24) = 0
[pid 27104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27104] setpgid(0, 0)               = 0
[pid 27104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27104] write(3, "1000", 4)         = 4
[pid 27104] close(3executing program
)                    = 0
[pid 27104] write(1, "executing program\n", 18) = 18
[pid 27104] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27104] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27104] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27104] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27104] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27104] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27104] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27104] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27104] exit_group(0)               = ?
[pid 27104] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27104, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27105
./strace-static-x86_64: Process 27105 attached
[pid 27105] set_robust_list(0x555555f76660, 24) = 0
[pid 27105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27105] setpgid(0, 0)               = 0
[pid 27105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27105] write(3, "1000", 4)         = 4
[pid 27105] close(3)                    = 0
executing program
[pid 27105] write(1, "executing program\n", 18) = 18
[pid 27105] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27105] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27105] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27105] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27105] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27105] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27105] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27105] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27105] exit_group(0)               = ?
[pid 27105] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27105, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27106
./strace-static-x86_64: Process 27106 attached
[pid 27106] set_robust_list(0x555555f76660, 24) = 0
[pid 27106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27106] setpgid(0, 0)               = 0
[pid 27106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27106] write(3, "1000", 4)         = 4
[pid 27106] close(3)                    = 0
[pid 27106] write(1, "executing program\n", 18executing program
) = 18
[pid 27106] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27106] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27106] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27106] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27106] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27106] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27106] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27106] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27106] exit_group(0)               = ?
[pid 27106] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27106, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27107
./strace-static-x86_64: Process 27107 attached
[pid 27107] set_robust_list(0x555555f76660, 24) = 0
[pid 27107] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27107] setpgid(0, 0)               = 0
[pid 27107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27107] write(3, "1000", 4)         = 4
[pid 27107] close(3)                    = 0
executing program
[pid 27107] write(1, "executing program\n", 18) = 18
[pid 27107] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27107] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27107] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27107] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27107] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27107] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27107] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27107] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27107] exit_group(0)               = ?
[pid 27107] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27107, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27108
./strace-static-x86_64: Process 27108 attached
[pid 27108] set_robust_list(0x555555f76660, 24) = 0
[pid 27108] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27108] setpgid(0, 0)               = 0
[pid 27108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27108] write(3, "1000", 4)         = 4
[pid 27108] close(3executing program
)                    = 0
[pid 27108] write(1, "executing program\n", 18) = 18
[pid 27108] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27108] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27108] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27108] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27108] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27108] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27108] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27108] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27108] exit_group(0)               = ?
[pid 27108] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27108, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27109
./strace-static-x86_64: Process 27109 attached
[pid 27109] set_robust_list(0x555555f76660, 24) = 0
[pid 27109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27109] setpgid(0, 0)               = 0
[pid 27109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27109] write(3, "1000", 4)         = 4
[pid 27109] close(3)                    = 0
executing program
[pid 27109] write(1, "executing program\n", 18) = 18
[pid 27109] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27109] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27109] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27109] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27109] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27109] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27109] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27109] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27109] exit_group(0)               = ?
[pid 27109] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27109, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27110 attached
, child_tidptr=0x555555f76650) = 27110
[pid 27110] set_robust_list(0x555555f76660, 24) = 0
[pid 27110] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27110] setpgid(0, 0)               = 0
[pid 27110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27110] write(3, "1000", 4)         = 4
[pid 27110] close(3executing program
)                    = 0
[pid 27110] write(1, "executing program\n", 18) = 18
[pid 27110] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27110] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27110] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27110] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27110] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27110] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27110] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27110] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27110] exit_group(0)               = ?
[pid 27110] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27110, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27111 attached
, child_tidptr=0x555555f76650) = 27111
[pid 27111] set_robust_list(0x555555f76660, 24) = 0
[pid 27111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27111] setpgid(0, 0)               = 0
[pid 27111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27111] write(3, "1000", 4)         = 4
[pid 27111] close(3executing program
)                    = 0
[pid 27111] write(1, "executing program\n", 18) = 18
[pid 27111] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27111] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27111] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27111] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27111] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27111] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27111] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27111] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27111] exit_group(0)               = ?
[pid 27111] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27111, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27112
./strace-static-x86_64: Process 27112 attached
[pid 27112] set_robust_list(0x555555f76660, 24) = 0
[pid 27112] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27112] setpgid(0, 0)               = 0
[pid 27112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27112] write(3, "1000", 4)         = 4
[pid 27112] close(3)                    = 0
executing program
[pid 27112] write(1, "executing program\n", 18) = 18
[pid 27112] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27112] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27112] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27112] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27112] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27112] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27112] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27112] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27112] exit_group(0)               = ?
[pid 27112] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27112, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27113
./strace-static-x86_64: Process 27113 attached
[pid 27113] set_robust_list(0x555555f76660, 24) = 0
[pid 27113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27113] setpgid(0, 0)               = 0
[pid 27113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27113] write(3, "1000", 4)         = 4
[pid 27113] close(3executing program
)                    = 0
[pid 27113] write(1, "executing program\n", 18) = 18
[pid 27113] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27113] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27113] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27113] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27113] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27113] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27113] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27113] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27113] exit_group(0)               = ?
[pid 27113] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27113, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27114
./strace-static-x86_64: Process 27114 attached
[pid 27114] set_robust_list(0x555555f76660, 24) = 0
[pid 27114] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27114] setpgid(0, 0)               = 0
[pid 27114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27114] write(3, "1000", 4)         = 4
[pid 27114] close(3)                    = 0
executing program
[pid 27114] write(1, "executing program\n", 18) = 18
[pid 27114] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27114] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27114] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27114] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27114] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27114] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27114] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27114] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27114] exit_group(0)               = ?
[pid 27114] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27114, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27115 attached
, child_tidptr=0x555555f76650) = 27115
[pid 27115] set_robust_list(0x555555f76660, 24) = 0
[pid 27115] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27115] setpgid(0, 0)               = 0
[pid 27115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27115] write(3, "1000", 4)         = 4
[pid 27115] close(3)                    = 0
[pid 27115] write(1, "executing program\n", 18executing program
) = 18
[pid 27115] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27115] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27115] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27115] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27115] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27115] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27115] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27115] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27115] exit_group(0)               = ?
[pid 27115] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27115, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27116
./strace-static-x86_64: Process 27116 attached
[pid 27116] set_robust_list(0x555555f76660, 24) = 0
[pid 27116] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27116] setpgid(0, 0)               = 0
[pid 27116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27116] write(3, "1000", 4)         = 4
[pid 27116] close(3)                    = 0
[pid 27116] write(1, "executing program\n", 18executing program
) = 18
[pid 27116] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27116] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27116] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27116] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27116] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27116] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27116] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27116] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27116] exit_group(0)               = ?
[pid 27116] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27116, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27118
./strace-static-x86_64: Process 27118 attached
[pid 27118] set_robust_list(0x555555f76660, 24) = 0
[pid 27118] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27118] setpgid(0, 0)               = 0
[pid 27118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27118] write(3, "1000", 4)         = 4
[pid 27118] close(3)                    = 0
[pid 27118] write(1, "executing program\n", 18executing program
) = 18
[pid 27118] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27118] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27118] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27118] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27118] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27118] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27118] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27118] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27118] exit_group(0)               = ?
[pid 27118] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27118, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27119 attached
, child_tidptr=0x555555f76650) = 27119
[pid 27119] set_robust_list(0x555555f76660, 24) = 0
[pid 27119] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27119] setpgid(0, 0)               = 0
[pid 27119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27119] write(3, "1000", 4)         = 4
[pid 27119] close(3)                    = 0
[pid 27119] write(1, "executing program\n", 18executing program
) = 18
[pid 27119] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27119] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27119] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27119] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27119] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27119] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27119] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27119] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27119] exit_group(0)               = ?
[pid 27119] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27119, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27120 attached
, child_tidptr=0x555555f76650) = 27120
[pid 27120] set_robust_list(0x555555f76660, 24) = 0
[pid 27120] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27120] setpgid(0, 0)               = 0
[pid 27120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27120] write(3, "1000", 4)         = 4
[pid 27120] close(3)                    = 0
[pid 27120] write(1, "executing program\n", 18executing program
) = 18
[pid 27120] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27120] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27120] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27120] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27120] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27120] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27120] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27120] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27120] exit_group(0)               = ?
[pid 27120] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27120, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27121 attached
, child_tidptr=0x555555f76650) = 27121
[pid 27121] set_robust_list(0x555555f76660, 24) = 0
[pid 27121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27121] setpgid(0, 0)               = 0
[pid 27121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27121] write(3, "1000", 4)         = 4
[pid 27121] close(3)                    = 0
executing program
[pid 27121] write(1, "executing program\n", 18) = 18
[pid 27121] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27121] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27121] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27121] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27121] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27121] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27121] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27121] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27121] exit_group(0)               = ?
[pid 27121] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27121, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27122
./strace-static-x86_64: Process 27122 attached
[pid 27122] set_robust_list(0x555555f76660, 24) = 0
[pid 27122] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27122] setpgid(0, 0)               = 0
[pid 27122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27122] write(3, "1000", 4)         = 4
[pid 27122] close(3)                    = 0
executing program
[pid 27122] write(1, "executing program\n", 18) = 18
[pid 27122] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27122] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27122] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27122] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27122] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27122] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27122] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27122] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27122] exit_group(0)               = ?
[pid 27122] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27122, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27123 attached
, child_tidptr=0x555555f76650) = 27123
[pid 27123] set_robust_list(0x555555f76660, 24) = 0
[pid 27123] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27123] setpgid(0, 0)               = 0
[pid 27123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
executing program
[pid 27123] write(3, "1000", 4)         = 4
[pid 27123] close(3)                    = 0
[pid 27123] write(1, "executing program\n", 18) = 18
[pid 27123] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27123] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27123] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27123] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27123] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27123] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27123] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27123] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27123] exit_group(0)               = ?
[pid 27123] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27123, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27124 attached
, child_tidptr=0x555555f76650) = 27124
[pid 27124] set_robust_list(0x555555f76660, 24) = 0
[pid 27124] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27124] setpgid(0, 0)               = 0
[pid 27124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27124] write(3, "1000", 4)         = 4
[pid 27124] close(3)                    = 0
[pid 27124] write(1, "executing program\n", 18) = 18
[pid 27124] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27124] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27124] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27124] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27124] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27124] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27124] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27124] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27124] exit_group(0)               = ?
[pid 27124] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27124, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27125
./strace-static-x86_64: Process 27125 attached
[pid 27125] set_robust_list(0x555555f76660, 24) = 0
[pid 27125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27125] setpgid(0, 0)               = 0
[pid 27125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27125] write(3, "1000", 4)         = 4
[pid 27125] close(3)                    = 0
executing program
[pid 27125] write(1, "executing program\n", 18) = 18
[pid 27125] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27125] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27125] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27125] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27125] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27125] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27125] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27125] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27125] exit_group(0)               = ?
[pid 27125] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27125, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27126 attached
, child_tidptr=0x555555f76650) = 27126
[pid 27126] set_robust_list(0x555555f76660, 24) = 0
[pid 27126] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27126] setpgid(0, 0)               = 0
[pid 27126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27126] write(3, "1000", 4)         = 4
[pid 27126] close(3)                    = 0
executing program
[pid 27126] write(1, "executing program\n", 18) = 18
[pid 27126] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27126] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27126] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27126] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27126] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27126] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27126] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27126] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27126] exit_group(0)               = ?
[pid 27126] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27126, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27127
./strace-static-x86_64: Process 27127 attached
[pid 27127] set_robust_list(0x555555f76660, 24) = 0
[pid 27127] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27127] setpgid(0, 0)               = 0
[pid 27127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27127] write(3, "1000", 4)         = 4
[pid 27127] close(3executing program
)                    = 0
[pid 27127] write(1, "executing program\n", 18) = 18
[pid 27127] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27127] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27127] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27127] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27127] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27127] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27127] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27127] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27127] exit_group(0)               = ?
[pid 27127] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27127, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27128 attached
, child_tidptr=0x555555f76650) = 27128
[pid 27128] set_robust_list(0x555555f76660, 24) = 0
[pid 27128] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27128] setpgid(0, 0)               = 0
[pid 27128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27128] write(3, "1000", 4)         = 4
[pid 27128] close(3)                    = 0
executing program
[pid 27128] write(1, "executing program\n", 18) = 18
[pid 27128] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27128] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27128] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27128] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27128] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27128] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27128] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27128] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27128] exit_group(0)               = ?
[pid 27128] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27128, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27129 attached
, child_tidptr=0x555555f76650) = 27129
[pid 27129] set_robust_list(0x555555f76660, 24) = 0
[pid 27129] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27129] setpgid(0, 0)               = 0
[pid 27129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27129] write(3, "1000", 4)         = 4
executing program
[pid 27129] close(3)                    = 0
[pid 27129] write(1, "executing program\n", 18) = 18
[pid 27129] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27129] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27129] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27129] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27129] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27129] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27129] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27129] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27129] exit_group(0)               = ?
[pid 27129] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27129, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27130 attached
, child_tidptr=0x555555f76650) = 27130
[pid 27130] set_robust_list(0x555555f76660, 24) = 0
[pid 27130] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27130] setpgid(0, 0)               = 0
[pid 27130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27130] write(3, "1000", 4)         = 4
executing program
[pid 27130] close(3)                    = 0
[pid 27130] write(1, "executing program\n", 18) = 18
[pid 27130] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27130] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27130] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27130] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27130] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27130] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27130] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27130] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27130] exit_group(0)               = ?
[pid 27130] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27130, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27131
./strace-static-x86_64: Process 27131 attached
[pid 27131] set_robust_list(0x555555f76660, 24) = 0
[pid 27131] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27131] setpgid(0, 0)               = 0
[pid 27131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27131] write(3, "1000", 4)         = 4
[pid 27131] close(3)                    = 0
executing program
[pid 27131] write(1, "executing program\n", 18) = 18
[pid 27131] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27131] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27131] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27131] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27131] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27131] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27131] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27131] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27131] exit_group(0)               = ?
[pid 27131] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27131, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27132
./strace-static-x86_64: Process 27132 attached
[pid 27132] set_robust_list(0x555555f76660, 24) = 0
[pid 27132] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27132] setpgid(0, 0)               = 0
[pid 27132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27132] write(3, "1000", 4)         = 4
[pid 27132] close(3)                    = 0
executing program
[pid 27132] write(1, "executing program\n", 18) = 18
[pid 27132] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27132] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27132] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27132] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27132] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27132] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27132] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27132] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27132] exit_group(0)               = ?
[pid 27132] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27132, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27133 attached
, child_tidptr=0x555555f76650) = 27133
[pid 27133] set_robust_list(0x555555f76660, 24) = 0
[pid 27133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27133] setpgid(0, 0)               = 0
[pid 27133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27133] write(3, "1000", 4)         = 4
[pid 27133] close(3)                    = 0
[pid 27133] write(1, "executing program\n", 18executing program
) = 18
[pid 27133] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27133] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27133] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27133] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27133] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27133] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27133] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27133] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27133] exit_group(0)               = ?
[pid 27133] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27133, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27134
./strace-static-x86_64: Process 27134 attached
[pid 27134] set_robust_list(0x555555f76660, 24) = 0
[pid 27134] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27134] setpgid(0, 0)               = 0
[pid 27134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27134] write(3, "1000", 4)         = 4
[pid 27134] close(3)                    = 0
executing program
[pid 27134] write(1, "executing program\n", 18) = 18
[pid 27134] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27134] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27134] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27134] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27134] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27134] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27134] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27134] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27134] exit_group(0)               = ?
[pid 27134] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27134, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27135
./strace-static-x86_64: Process 27135 attached
[pid 27135] set_robust_list(0x555555f76660, 24) = 0
[pid 27135] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27135] setpgid(0, 0)               = 0
[pid 27135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27135] write(3, "1000", 4)         = 4
[pid 27135] close(3)                    = 0
[pid 27135] write(1, "executing program\n", 18executing program
) = 18
[pid 27135] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27135] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27135] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27135] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27135] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27135] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27135] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27135] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27135] exit_group(0)               = ?
[pid 27135] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27135, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27136
./strace-static-x86_64: Process 27136 attached
[pid 27136] set_robust_list(0x555555f76660, 24) = 0
[pid 27136] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27136] setpgid(0, 0)               = 0
[pid 27136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27136] write(3, "1000", 4)         = 4
[pid 27136] close(3executing program
)                    = 0
[pid 27136] write(1, "executing program\n", 18) = 18
[pid 27136] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27136] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27136] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27136] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27136] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27136] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27136] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27136] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27136] exit_group(0)               = ?
[pid 27136] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27136, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27137 attached
, child_tidptr=0x555555f76650) = 27137
[pid 27137] set_robust_list(0x555555f76660, 24) = 0
[pid 27137] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27137] setpgid(0, 0)               = 0
[pid 27137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27137] write(3, "1000", 4)         = 4
[pid 27137] close(3)                    = 0
[pid 27137] write(1, "executing program\n", 18executing program
) = 18
[pid 27137] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27137] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27137] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27137] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27137] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27137] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27137] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27137] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27137] exit_group(0)               = ?
[pid 27137] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27137, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27138 attached
, child_tidptr=0x555555f76650) = 27138
[pid 27138] set_robust_list(0x555555f76660, 24) = 0
[pid 27138] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27138] setpgid(0, 0)               = 0
[pid 27138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27138] write(3, "1000", 4)         = 4
[pid 27138] close(3)                    = 0
[pid 27138] write(1, "executing program\n", 18executing program
) = 18
[pid 27138] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27138] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27138] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27138] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27138] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27138] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27138] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27138] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27138] exit_group(0)               = ?
[pid 27138] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27138, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27139 attached
, child_tidptr=0x555555f76650) = 27139
[pid 27139] set_robust_list(0x555555f76660, 24) = 0
[pid 27139] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27139] setpgid(0, 0)               = 0
[pid 27139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27139] write(3, "1000", 4)         = 4
[pid 27139] close(3)                    = 0
[pid 27139] write(1, "executing program\n", 18) = 18
[pid 27139] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27139] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27139] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27139] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27139] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27139] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27139] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27139] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27139] exit_group(0)               = ?
[pid 27139] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27139, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27140
./strace-static-x86_64: Process 27140 attached
[pid 27140] set_robust_list(0x555555f76660, 24) = 0
[pid 27140] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27140] setpgid(0, 0)               = 0
[pid 27140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27140] write(3, "1000", 4)         = 4
[pid 27140] close(3)                    = 0
[pid 27140] write(1, "executing program\n", 18executing program
) = 18
[pid 27140] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27140] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27140] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27140] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27140] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27140] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27140] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27140] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27140] exit_group(0)               = ?
[pid 27140] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27140, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27141
./strace-static-x86_64: Process 27141 attached
[pid 27141] set_robust_list(0x555555f76660, 24) = 0
[pid 27141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27141] setpgid(0, 0)               = 0
[pid 27141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27141] write(3, "1000", 4)         = 4
[pid 27141] close(3)                    = 0
[pid 27141] write(1, "executing program\n", 18executing program
) = 18
[pid 27141] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27141] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27141] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27141] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27141] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27141] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27141] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27141] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27141] exit_group(0)               = ?
[pid 27141] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27141, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27142 attached
, child_tidptr=0x555555f76650) = 27142
[pid 27142] set_robust_list(0x555555f76660, 24) = 0
[pid 27142] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27142] setpgid(0, 0)               = 0
[pid 27142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27142] write(3, "1000", 4)         = 4
[pid 27142] close(3)                    = 0
[pid 27142] write(1, "executing program\n", 18executing program
) = 18
[pid 27142] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27142] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27142] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27142] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27142] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27142] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27142] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27142] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27142] exit_group(0)               = ?
[pid 27142] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27142, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27143 attached
, child_tidptr=0x555555f76650) = 27143
[pid 27143] set_robust_list(0x555555f76660, 24) = 0
[pid 27143] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27143] setpgid(0, 0)               = 0
executing program
[pid 27143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27143] write(3, "1000", 4)         = 4
[pid 27143] close(3)                    = 0
[pid 27143] write(1, "executing program\n", 18) = 18
[pid 27143] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27143] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27143] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27143] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27143] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27143] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27143] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27143] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27143] exit_group(0)               = ?
[pid 27143] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27143, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27144
./strace-static-x86_64: Process 27144 attached
[pid 27144] set_robust_list(0x555555f76660, 24) = 0
[pid 27144] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27144] setpgid(0, 0)               = 0
[pid 27144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27144] write(3, "1000", 4)         = 4
[pid 27144] close(3)                    = 0
executing program
[pid 27144] write(1, "executing program\n", 18) = 18
[pid 27144] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27144] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27144] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27144] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27144] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27144] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27144] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27144] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27144] exit_group(0)               = ?
[pid 27144] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27144, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27145 attached
, child_tidptr=0x555555f76650) = 27145
[pid 27145] set_robust_list(0x555555f76660, 24) = 0
[pid 27145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27145] setpgid(0, 0)               = 0
[pid 27145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27145] write(3, "1000", 4)         = 4
[pid 27145] close(3)                    = 0
[pid 27145] write(1, "executing program\n", 18executing program
) = 18
[pid 27145] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27145] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27145] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27145] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27145] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27145] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27145] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27145] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27145] exit_group(0)               = ?
[pid 27145] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27145, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27146 attached
, child_tidptr=0x555555f76650) = 27146
[pid 27146] set_robust_list(0x555555f76660, 24) = 0
[pid 27146] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27146] setpgid(0, 0)               = 0
[pid 27146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27146] write(3, "1000", 4)         = 4
[pid 27146] close(3)                    = 0
executing program
[pid 27146] write(1, "executing program\n", 18) = 18
[pid 27146] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27146] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27146] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27146] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27146] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27146] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27146] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27146] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27146] exit_group(0)               = ?
[pid 27146] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27146, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27147
./strace-static-x86_64: Process 27147 attached
[pid 27147] set_robust_list(0x555555f76660, 24) = 0
[pid 27147] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27147] setpgid(0, 0)               = 0
[pid 27147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27147] write(3, "1000", 4)         = 4
[pid 27147] close(3executing program
)                    = 0
[pid 27147] write(1, "executing program\n", 18) = 18
[pid 27147] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27147] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27147] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27147] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27147] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27147] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27147] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27147] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27147] exit_group(0)               = ?
[pid 27147] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27147, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27148 attached
, child_tidptr=0x555555f76650) = 27148
[pid 27148] set_robust_list(0x555555f76660, 24) = 0
[pid 27148] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27148] setpgid(0, 0)               = 0
[pid 27148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27148] write(3, "1000", 4)         = 4
executing program
[pid 27148] close(3)                    = 0
[pid 27148] write(1, "executing program\n", 18) = 18
[pid 27148] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27148] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27148] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27148] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27148] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27148] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27148] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27148] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27148] exit_group(0)               = ?
[pid 27148] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27148, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27149 attached
, child_tidptr=0x555555f76650) = 27149
[pid 27149] set_robust_list(0x555555f76660, 24) = 0
[pid 27149] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27149] setpgid(0, 0)               = 0
[pid 27149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27149] write(3, "1000", 4)         = 4
[pid 27149] close(3executing program
)                    = 0
[pid 27149] write(1, "executing program\n", 18) = 18
[pid 27149] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27149] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27149] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27149] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27149] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27149] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27149] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27149] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27149] exit_group(0)               = ?
[pid 27149] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27149, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27150 attached
, child_tidptr=0x555555f76650) = 27150
[pid 27150] set_robust_list(0x555555f76660, 24) = 0
[pid 27150] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27150] setpgid(0, 0)               = 0
[pid 27150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27150] write(3, "1000", 4)         = 4
[pid 27150] close(3executing program
)                    = 0
[pid 27150] write(1, "executing program\n", 18) = 18
[pid 27150] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27150] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27150] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27150] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27150] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27150] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27150] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27150] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27150] exit_group(0)               = ?
[pid 27150] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27150, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27151 attached
, child_tidptr=0x555555f76650) = 27151
[pid 27151] set_robust_list(0x555555f76660, 24) = 0
[pid 27151] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27151] setpgid(0, 0)               = 0
[pid 27151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27151] write(3, "1000", 4)         = 4
[pid 27151] close(3)                    = 0
[pid 27151] write(1, "executing program\n", 18executing program
) = 18
[pid 27151] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27151] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27151] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27151] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27151] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27151] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27151] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27151] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27151] exit_group(0)               = ?
[pid 27151] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27151, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27152
./strace-static-x86_64: Process 27152 attached
[pid 27152] set_robust_list(0x555555f76660, 24) = 0
[pid 27152] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27152] setpgid(0, 0)               = 0
[pid 27152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27152] write(3, "1000", 4)         = 4
[pid 27152] close(3)                    = 0
[pid 27152] write(1, "executing program\n", 18) = 18
executing program
[pid 27152] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27152] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27152] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27152] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27152] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27152] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27152] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27152] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27152] exit_group(0)               = ?
[pid 27152] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27152, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27153 attached
, child_tidptr=0x555555f76650) = 27153
[pid 27153] set_robust_list(0x555555f76660, 24) = 0
[pid 27153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27153] setpgid(0, 0)               = 0
[pid 27153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27153] write(3, "1000", 4)         = 4
[pid 27153] close(3)                    = 0
[pid 27153] write(1, "executing program\n", 18executing program
) = 18
[pid 27153] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27153] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27153] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27153] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27153] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27153] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27153] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27153] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27153] exit_group(0)               = ?
[pid 27153] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27153, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27154 attached
, child_tidptr=0x555555f76650) = 27154
[pid 27154] set_robust_list(0x555555f76660, 24) = 0
[pid 27154] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27154] setpgid(0, 0)               = 0
[pid 27154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27154] write(3, "1000", 4)         = 4
[pid 27154] close(3)                    = 0
[pid 27154] write(1, "executing program\n", 18) = 18
[pid 27154] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27154] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27154] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27154] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27154] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27154] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27154] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27154] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27154] exit_group(0)               = ?
[pid 27154] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27154, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27155 attached
, child_tidptr=0x555555f76650) = 27155
[pid 27155] set_robust_list(0x555555f76660, 24) = 0
[pid 27155] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27155] setpgid(0, 0)               = 0
[pid 27155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27155] write(3, "1000", 4)         = 4
[pid 27155] close(3)                    = 0
executing program
[pid 27155] write(1, "executing program\n", 18) = 18
[pid 27155] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27155] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27155] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27155] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27155] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27155] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27155] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27155] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27155] exit_group(0)               = ?
[pid 27155] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27155, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27156 attached
, child_tidptr=0x555555f76650) = 27156
[pid 27156] set_robust_list(0x555555f76660, 24) = 0
[pid 27156] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27156] setpgid(0, 0)               = 0
[pid 27156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
executing program
[pid 27156] write(3, "1000", 4)         = 4
[pid 27156] close(3)                    = 0
[pid 27156] write(1, "executing program\n", 18) = 18
[pid 27156] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27156] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27156] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27156] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27156] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27156] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27156] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27156] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27156] exit_group(0)               = ?
[pid 27156] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27156, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27157 attached
, child_tidptr=0x555555f76650) = 27157
[pid 27157] set_robust_list(0x555555f76660, 24) = 0
[pid 27157] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27157] setpgid(0, 0)               = 0
[pid 27157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27157] write(3, "1000", 4)         = 4
[pid 27157] close(3)                    = 0
[pid 27157] write(1, "executing program\n", 18executing program
) = 18
[pid 27157] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27157] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27157] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27157] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27157] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27157] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27157] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27157] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27157] exit_group(0)               = ?
[pid 27157] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27157, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27158 attached
, child_tidptr=0x555555f76650) = 27158
[pid 27158] set_robust_list(0x555555f76660, 24) = 0
[pid 27158] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27158] setpgid(0, 0)               = 0
[pid 27158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27158] write(3, "1000", 4)         = 4
[pid 27158] close(3)                    = 0
[pid 27158] write(1, "executing program\n", 18) = 18
[pid 27158] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27158] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27158] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27158] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27158] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27158] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27158] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27158] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27158] exit_group(0)               = ?
[pid 27158] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27158, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27159 attached
, child_tidptr=0x555555f76650) = 27159
[pid 27159] set_robust_list(0x555555f76660, 24) = 0
[pid 27159] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27159] setpgid(0, 0)               = 0
[pid 27159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27159] write(3, "1000", 4)         = 4
[pid 27159] close(3)                    = 0
[pid 27159] write(1, "executing program\n", 18executing program
) = 18
[pid 27159] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27159] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27159] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27159] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27159] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27159] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27159] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27159] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27159] exit_group(0)               = ?
[pid 27159] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27159, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27160 attached
, child_tidptr=0x555555f76650) = 27160
[pid 27160] set_robust_list(0x555555f76660, 24) = 0
[pid 27160] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27160] setpgid(0, 0)               = 0
[pid 27160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27160] write(3, "1000", 4)         = 4
[pid 27160] close(3executing program
)                    = 0
[pid 27160] write(1, "executing program\n", 18) = 18
[pid 27160] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27160] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27160] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27160] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27160] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27160] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27160] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27160] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27160] exit_group(0)               = ?
[pid 27160] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27160, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27161 attached
, child_tidptr=0x555555f76650) = 27161
[pid 27161] set_robust_list(0x555555f76660, 24) = 0
[pid 27161] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27161] setpgid(0, 0)               = 0
[pid 27161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27161] write(3, "1000", 4)         = 4
[pid 27161] close(3)                    = 0
executing program
[pid 27161] write(1, "executing program\n", 18) = 18
[pid 27161] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27161] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27161] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27161] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27161] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27161] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27161] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27161] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27161] exit_group(0)               = ?
[pid 27161] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27161, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27162 attached
, child_tidptr=0x555555f76650) = 27162
[pid 27162] set_robust_list(0x555555f76660, 24) = 0
[pid 27162] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27162] setpgid(0, 0)               = 0
[pid 27162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27162] write(3, "1000", 4)         = 4
[pid 27162] close(3)                    = 0
[pid 27162] write(1, "executing program\n", 18executing program
) = 18
[pid 27162] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27162] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27162] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27162] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27162] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27162] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27162] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27162] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27162] exit_group(0)               = ?
[pid 27162] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27162, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27163 attached
, child_tidptr=0x555555f76650) = 27163
[pid 27163] set_robust_list(0x555555f76660, 24) = 0
[pid 27163] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27163] setpgid(0, 0)               = 0
[pid 27163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27163] write(3, "1000", 4)         = 4
[pid 27163] close(3)                    = 0
[pid 27163] write(1, "executing program\n", 18) = 18
[pid 27163] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27163] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27163] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27163] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27163] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27163] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27163] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27163] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27163] exit_group(0)               = ?
[pid 27163] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27163, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27164 attached
, child_tidptr=0x555555f76650) = 27164
[pid 27164] set_robust_list(0x555555f76660, 24) = 0
[pid 27164] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27164] setpgid(0, 0)               = 0
[pid 27164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27164] write(3, "1000", 4)         = 4
[pid 27164] close(3executing program
)                    = 0
[pid 27164] write(1, "executing program\n", 18) = 18
[pid 27164] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27164] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27164] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27164] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27164] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27164] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27164] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27164] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27164] exit_group(0)               = ?
[pid 27164] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27164, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27165
./strace-static-x86_64: Process 27165 attached
[pid 27165] set_robust_list(0x555555f76660, 24) = 0
[pid 27165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27165] setpgid(0, 0)               = 0
[pid 27165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27165] write(3, "1000", 4)         = 4
[pid 27165] close(3)                    = 0
executing program
[pid 27165] write(1, "executing program\n", 18) = 18
[pid 27165] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27165] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27165] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27165] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27165] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27165] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27165] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27165] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27165] exit_group(0)               = ?
[pid 27165] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27165, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27166 attached
, child_tidptr=0x555555f76650) = 27166
[pid 27166] set_robust_list(0x555555f76660, 24) = 0
[pid 27166] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27166] setpgid(0, 0)               = 0
[pid 27166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27166] write(3, "1000", 4)         = 4
[pid 27166] close(3)                    = 0
[pid 27166] write(1, "executing program\n", 18executing program
) = 18
[pid 27166] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27166] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27166] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27166] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27166] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27166] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27166] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27166] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27166] exit_group(0)               = ?
[pid 27166] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27166, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27167 attached
, child_tidptr=0x555555f76650) = 27167
[pid 27167] set_robust_list(0x555555f76660, 24) = 0
[pid 27167] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27167] setpgid(0, 0)               = 0
[pid 27167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27167] write(3, "1000", 4)         = 4
executing program
[pid 27167] close(3)                    = 0
[pid 27167] write(1, "executing program\n", 18) = 18
[pid 27167] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27167] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27167] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27167] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27167] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27167] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27167] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27167] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27167] exit_group(0)               = ?
[pid 27167] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27167, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27168 attached
, child_tidptr=0x555555f76650) = 27168
[pid 27168] set_robust_list(0x555555f76660, 24) = 0
[pid 27168] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27168] setpgid(0, 0)               = 0
[pid 27168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27168] write(3, "1000", 4)         = 4
[pid 27168] close(3)                    = 0
[pid 27168] write(1, "executing program\n", 18executing program
) = 18
[pid 27168] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27168] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27168] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27168] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27168] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27168] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27168] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27168] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27168] exit_group(0)               = ?
[pid 27168] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27168, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27169 attached
, child_tidptr=0x555555f76650) = 27169
[pid 27169] set_robust_list(0x555555f76660, 24) = 0
[pid 27169] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27169] setpgid(0, 0)               = 0
[pid 27169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27169] write(3, "1000", 4)         = 4
[pid 27169] close(3)                    = 0
[pid 27169] write(1, "executing program\n", 18executing program
) = 18
[pid 27169] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27169] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27169] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27169] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27169] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27169] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27169] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27169] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27169] exit_group(0)               = ?
[pid 27169] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27169, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27170 attached
, child_tidptr=0x555555f76650) = 27170
[pid 27170] set_robust_list(0x555555f76660, 24) = 0
[pid 27170] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27170] setpgid(0, 0)               = 0
[pid 27170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27170] write(3, "1000", 4)         = 4
[pid 27170] close(3)                    = 0
[pid 27170] write(1, "executing program\n", 18executing program
) = 18
[pid 27170] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27170] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27170] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27170] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27170] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27170] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27170] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27170] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27170] exit_group(0)               = ?
[pid 27170] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27170, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27171
./strace-static-x86_64: Process 27171 attached
[pid 27171] set_robust_list(0x555555f76660, 24) = 0
[pid 27171] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27171] setpgid(0, 0)               = 0
[pid 27171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27171] write(3, "1000", 4)         = 4
[pid 27171] close(3)                    = 0
[pid 27171] write(1, "executing program\n", 18executing program
) = 18
[pid 27171] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27171] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27171] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27171] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27171] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27171] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27171] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27171] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27171] exit_group(0)               = ?
[pid 27171] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27171, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27172 attached
, child_tidptr=0x555555f76650) = 27172
[pid 27172] set_robust_list(0x555555f76660, 24) = 0
[pid 27172] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27172] setpgid(0, 0)               = 0
[pid 27172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27172] write(3, "1000", 4)         = 4
[pid 27172] close(3executing program
)                    = 0
[pid 27172] write(1, "executing program\n", 18) = 18
[pid 27172] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27172] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27172] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27172] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27172] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27172] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27172] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27172] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27172] exit_group(0)               = ?
[pid 27172] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27172, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27173 attached
, child_tidptr=0x555555f76650) = 27173
[pid 27173] set_robust_list(0x555555f76660, 24) = 0
[pid 27173] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27173] setpgid(0, 0)               = 0
[pid 27173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27173] write(3, "1000", 4)         = 4
[pid 27173] close(3)                    = 0
[pid 27173] write(1, "executing program\n", 18) = 18
[pid 27173] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27173] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27173] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27173] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27173] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27173] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27173] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27173] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27173] exit_group(0)               = ?
[pid 27173] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27173, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27174 attached
, child_tidptr=0x555555f76650) = 27174
[pid 27174] set_robust_list(0x555555f76660, 24) = 0
[pid 27174] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27174] setpgid(0, 0)               = 0
[pid 27174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27174] write(3, "1000", 4)         = 4
[pid 27174] close(3)                    = 0
[pid 27174] write(1, "executing program\n", 18) = 18
[pid 27174] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27174] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27174] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27174] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27174] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27174] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27174] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27174] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27174] exit_group(0)               = ?
[pid 27174] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27174, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27175
./strace-static-x86_64: Process 27175 attached
[pid 27175] set_robust_list(0x555555f76660, 24) = 0
[pid 27175] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27175] setpgid(0, 0)               = 0
[pid 27175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27175] write(3, "1000", 4)         = 4
[pid 27175] close(3)                    = 0
[pid 27175] write(1, "executing program\n", 18executing program
) = 18
[pid 27175] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27175] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27175] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27175] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27175] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27175] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27175] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27175] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27175] exit_group(0)               = ?
[pid 27175] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27175, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27176
./strace-static-x86_64: Process 27176 attached
[pid 27176] set_robust_list(0x555555f76660, 24) = 0
[pid 27176] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27176] setpgid(0, 0)               = 0
[pid 27176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27176] write(3, "1000", 4)         = 4
[pid 27176] close(3)                    = 0
[pid 27176] write(1, "executing program\n", 18executing program
) = 18
[pid 27176] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27176] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27176] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27176] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27176] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27176] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27176] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27176] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27176] exit_group(0)               = ?
[pid 27176] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27176, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27177 attached
, child_tidptr=0x555555f76650) = 27177
[pid 27177] set_robust_list(0x555555f76660, 24) = 0
[pid 27177] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27177] setpgid(0, 0)               = 0
[pid 27177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27177] write(3, "1000", 4)         = 4
[pid 27177] close(3)                    = 0
[pid 27177] write(1, "executing program\n", 18executing program
) = 18
[pid 27177] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27177] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27177] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27177] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27177] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27177] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27177] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27177] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27177] exit_group(0)               = ?
[pid 27177] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27177, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27178 attached
, child_tidptr=0x555555f76650) = 27178
[pid 27178] set_robust_list(0x555555f76660, 24) = 0
[pid 27178] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27178] setpgid(0, 0)               = 0
[pid 27178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27178] write(3, "1000", 4)         = 4
[pid 27178] close(3)                    = 0
[pid 27178] write(1, "executing program\n", 18executing program
) = 18
[pid 27178] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27178] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27178] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27178] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27178] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27178] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27178] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27178] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27178] exit_group(0)               = ?
[pid 27178] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27178, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27179 attached
, child_tidptr=0x555555f76650) = 27179
[pid 27179] set_robust_list(0x555555f76660, 24) = 0
[pid 27179] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27179] setpgid(0, 0)               = 0
[pid 27179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27179] write(3, "1000", 4)         = 4
[pid 27179] close(3)                    = 0
[pid 27179] write(1, "executing program\n", 18) = 18
[pid 27179] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27179] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27179] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27179] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27179] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27179] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27179] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27179] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27179] exit_group(0)               = ?
[pid 27179] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27179, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27180 attached
, child_tidptr=0x555555f76650) = 27180
[pid 27180] set_robust_list(0x555555f76660, 24) = 0
[pid 27180] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27180] setpgid(0, 0)               = 0
[pid 27180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27180] write(3, "1000", 4)         = 4
[pid 27180] close(3)                    = 0
[pid 27180] write(1, "executing program\n", 18executing program
) = 18
[pid 27180] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27180] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27180] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27180] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27180] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27180] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27180] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27180] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27180] exit_group(0)               = ?
[pid 27180] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27180, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27181 attached
, child_tidptr=0x555555f76650) = 27181
[pid 27181] set_robust_list(0x555555f76660, 24) = 0
[pid 27181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27181] setpgid(0, 0)               = 0
[pid 27181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27181] write(3, "1000", 4)         = 4
[pid 27181] close(3)                    = 0
[pid 27181] write(1, "executing program\n", 18executing program
) = 18
[pid 27181] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27181] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27181] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27181] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27181] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27181] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27181] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27181] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27181] exit_group(0)               = ?
[pid 27181] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27181, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27182 attached
, child_tidptr=0x555555f76650) = 27182
[pid 27182] set_robust_list(0x555555f76660, 24) = 0
[pid 27182] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27182] setpgid(0, 0)               = 0
[pid 27182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27182] write(3, "1000", 4)         = 4
[pid 27182] close(3)                    = 0
executing program
[pid 27182] write(1, "executing program\n", 18) = 18
[pid 27182] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27182] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27182] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27182] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27182] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27182] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27182] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27182] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27182] exit_group(0)               = ?
[pid 27182] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27182, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27183
./strace-static-x86_64: Process 27183 attached
[pid 27183] set_robust_list(0x555555f76660, 24) = 0
[pid 27183] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27183] setpgid(0, 0)               = 0
[pid 27183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27183] write(3, "1000", 4)         = 4
[pid 27183] close(3)                    = 0
[pid 27183] write(1, "executing program\n", 18executing program
) = 18
[pid 27183] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27183] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27183] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27183] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27183] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27183] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27183] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27183] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27183] exit_group(0)               = ?
[pid 27183] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27183, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27184 attached
, child_tidptr=0x555555f76650) = 27184
[pid 27184] set_robust_list(0x555555f76660, 24) = 0
[pid 27184] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27184] setpgid(0, 0)               = 0
[pid 27184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27184] write(3, "1000", 4)         = 4
[pid 27184] close(3)                    = 0
[pid 27184] write(1, "executing program\n", 18executing program
) = 18
[pid 27184] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27184] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27184] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27184] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27184] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27184] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27184] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27184] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27184] exit_group(0)               = ?
[pid 27184] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27184, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27185
./strace-static-x86_64: Process 27185 attached
[pid 27185] set_robust_list(0x555555f76660, 24) = 0
[pid 27185] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27185] setpgid(0, 0)               = 0
[pid 27185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27185] write(3, "1000", 4)         = 4
[pid 27185] close(3)                    = 0
[pid 27185] write(1, "executing program\n", 18executing program
) = 18
[pid 27185] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27185] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27185] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27185] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27185] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27185] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27185] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27185] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27185] exit_group(0)               = ?
[pid 27185] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27185, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27186
./strace-static-x86_64: Process 27186 attached
[pid 27186] set_robust_list(0x555555f76660, 24) = 0
[pid 27186] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27186] setpgid(0, 0)               = 0
[pid 27186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27186] write(3, "1000", 4)         = 4
[pid 27186] close(3)                    = 0
executing program
[pid 27186] write(1, "executing program\n", 18) = 18
[pid 27186] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27186] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27186] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27186] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27186] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27186] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27186] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27186] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27186] exit_group(0)               = ?
[pid 27186] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27186, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27187 attached
, child_tidptr=0x555555f76650) = 27187
[pid 27187] set_robust_list(0x555555f76660, 24) = 0
[pid 27187] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27187] setpgid(0, 0)               = 0
[pid 27187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27187] write(3, "1000", 4)         = 4
[pid 27187] close(3executing program
)                    = 0
[pid 27187] write(1, "executing program\n", 18) = 18
[pid 27187] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27187] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27187] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27187] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27187] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27187] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27187] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27187] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27187] exit_group(0)               = ?
[pid 27187] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27187, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27188 attached
, child_tidptr=0x555555f76650) = 27188
[pid 27188] set_robust_list(0x555555f76660, 24) = 0
[pid 27188] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27188] setpgid(0, 0)               = 0
[pid 27188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27188] write(3, "1000", 4)         = 4
[pid 27188] close(3)                    = 0
[pid 27188] write(1, "executing program\n", 18executing program
) = 18
[pid 27188] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27188] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27188] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27188] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27188] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27188] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27188] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27188] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27188] exit_group(0)               = ?
[pid 27188] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27188, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27189 attached
, child_tidptr=0x555555f76650) = 27189
[pid 27189] set_robust_list(0x555555f76660, 24) = 0
[pid 27189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27189] setpgid(0, 0)               = 0
[pid 27189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27189] write(3, "1000", 4)         = 4
[pid 27189] close(3)                    = 0
executing program
[pid 27189] write(1, "executing program\n", 18) = 18
[pid 27189] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27189] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27189] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27189] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27189] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27189] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27189] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27189] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27189] exit_group(0)               = ?
[pid 27189] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27189, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27190
./strace-static-x86_64: Process 27190 attached
[pid 27190] set_robust_list(0x555555f76660, 24) = 0
[pid 27190] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27190] setpgid(0, 0)               = 0
[pid 27190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27190] write(3, "1000", 4)         = 4
[pid 27190] close(3)                    = 0
executing program
[pid 27190] write(1, "executing program\n", 18) = 18
[pid 27190] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27190] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27190] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27190] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27190] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27190] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27190] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27190] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27190] exit_group(0)               = ?
[pid 27190] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27190, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27191
./strace-static-x86_64: Process 27191 attached
[pid 27191] set_robust_list(0x555555f76660, 24) = 0
[pid 27191] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27191] setpgid(0, 0)               = 0
[pid 27191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27191] write(3, "1000", 4)         = 4
[pid 27191] close(3)                    = 0
[pid 27191] write(1, "executing program\n", 18executing program
) = 18
[pid 27191] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27191] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27191] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27191] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27191] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27191] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27191] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27191] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27191] exit_group(0)               = ?
[pid 27191] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27191, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27192 attached
, child_tidptr=0x555555f76650) = 27192
[pid 27192] set_robust_list(0x555555f76660, 24) = 0
[pid 27192] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27192] setpgid(0, 0)               = 0
[pid 27192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27192] write(3, "1000", 4)         = 4
[pid 27192] close(3)                    = 0
[pid 27192] write(1, "executing program\n", 18executing program
) = 18
[pid 27192] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27192] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27192] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27192] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27192] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27192] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27192] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27192] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27192] exit_group(0)               = ?
[pid 27192] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27192, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27193 attached
, child_tidptr=0x555555f76650) = 27193
[pid 27193] set_robust_list(0x555555f76660, 24) = 0
[pid 27193] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27193] setpgid(0, 0)               = 0
[pid 27193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27193] write(3, "1000", 4)         = 4
[pid 27193] close(3)                    = 0
[pid 27193] write(1, "executing program\n", 18) = 18
[pid 27193] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27193] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27193] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27193] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27193] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27193] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27193] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27193] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27193] exit_group(0)               = ?
[pid 27193] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27193, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27194 attached
, child_tidptr=0x555555f76650) = 27194
[pid 27194] set_robust_list(0x555555f76660, 24) = 0
[pid 27194] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27194] setpgid(0, 0)               = 0
[pid 27194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27194] write(3, "1000", 4)         = 4
[pid 27194] close(3)                    = 0
[pid 27194] write(1, "executing program\n", 18executing program
) = 18
[pid 27194] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27194] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27194] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27194] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27194] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27194] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27194] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27194] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27194] exit_group(0)               = ?
[pid 27194] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27194, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27195 attached
, child_tidptr=0x555555f76650) = 27195
[pid 27195] set_robust_list(0x555555f76660, 24) = 0
[pid 27195] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27195] setpgid(0, 0)               = 0
[pid 27195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27195] write(3, "1000", 4)         = 4
[pid 27195] close(3)                    = 0
[pid 27195] write(1, "executing program\n", 18executing program
) = 18
[pid 27195] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27195] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27195] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27195] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27195] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27195] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27195] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27195] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27195] exit_group(0)               = ?
[pid 27195] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27195, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27196
./strace-static-x86_64: Process 27196 attached
[pid 27196] set_robust_list(0x555555f76660, 24) = 0
[pid 27196] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27196] setpgid(0, 0)               = 0
[pid 27196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27196] write(3, "1000", 4)         = 4
[pid 27196] close(3)                    = 0
[pid 27196] write(1, "executing program\n", 18executing program
) = 18
[pid 27196] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27196] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27196] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27196] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27196] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27196] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27196] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27196] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27196] exit_group(0)               = ?
[pid 27196] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27196, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27197
./strace-static-x86_64: Process 27197 attached
[pid 27197] set_robust_list(0x555555f76660, 24) = 0
[pid 27197] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27197] setpgid(0, 0)               = 0
[pid 27197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27197] write(3, "1000", 4)         = 4
[pid 27197] close(3)                    = 0
[pid 27197] write(1, "executing program\n", 18executing program
) = 18
[pid 27197] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27197] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27197] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27197] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27197] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27197] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27197] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27197] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27197] exit_group(0)               = ?
[pid 27197] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27197, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27198 attached
, child_tidptr=0x555555f76650) = 27198
[pid 27198] set_robust_list(0x555555f76660, 24) = 0
[pid 27198] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27198] setpgid(0, 0)               = 0
[pid 27198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27198] write(3, "1000", 4)         = 4
[pid 27198] close(3)                    = 0
[pid 27198] write(1, "executing program\n", 18executing program
) = 18
[pid 27198] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27198] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27198] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27198] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27198] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27198] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27198] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27198] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27198] exit_group(0)               = ?
[pid 27198] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27198, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27199
./strace-static-x86_64: Process 27199 attached
[pid 27199] set_robust_list(0x555555f76660, 24) = 0
[pid 27199] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27199] setpgid(0, 0)               = 0
[pid 27199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27199] write(3, "1000", 4)         = 4
[pid 27199] close(3executing program
)                    = 0
[pid 27199] write(1, "executing program\n", 18) = 18
[pid 27199] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27199] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27199] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27199] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27199] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27199] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27199] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27199] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27199] exit_group(0)               = ?
[pid 27199] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27199, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27200
./strace-static-x86_64: Process 27200 attached
[pid 27200] set_robust_list(0x555555f76660, 24) = 0
[pid 27200] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27200] setpgid(0, 0)               = 0
[pid 27200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27200] write(3, "1000", 4)         = 4
[pid 27200] close(3)                    = 0
executing program
[pid 27200] write(1, "executing program\n", 18) = 18
[pid 27200] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27200] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27200] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27200] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27200] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27200] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27200] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27200] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27200] exit_group(0)               = ?
[pid 27200] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27200, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27201
./strace-static-x86_64: Process 27201 attached
[pid 27201] set_robust_list(0x555555f76660, 24) = 0
[pid 27201] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27201] setpgid(0, 0)               = 0
[pid 27201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27201] write(3, "1000", 4)         = 4
[pid 27201] close(3)                    = 0
executing program
[pid 27201] write(1, "executing program\n", 18) = 18
[pid 27201] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27201] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27201] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27201] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27201] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27201] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27201] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27201] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27201] exit_group(0)               = ?
[pid 27201] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27201, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27202 attached
, child_tidptr=0x555555f76650) = 27202
[pid 27202] set_robust_list(0x555555f76660, 24) = 0
[pid 27202] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27202] setpgid(0, 0)               = 0
[pid 27202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27202] write(3, "1000", 4)         = 4
[pid 27202] close(3)                    = 0
[pid 27202] write(1, "executing program\n", 18) = 18
[pid 27202] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27202] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27202] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27202] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27202] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27202] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27202] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27202] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27202] exit_group(0)               = ?
[pid 27202] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27202, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27203
./strace-static-x86_64: Process 27203 attached
[pid 27203] set_robust_list(0x555555f76660, 24) = 0
[pid 27203] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27203] setpgid(0, 0)               = 0
[pid 27203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27203] write(3, "1000", 4)         = 4
[pid 27203] close(3)                    = 0
[pid 27203] write(1, "executing program\n", 18executing program
) = 18
[pid 27203] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27203] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27203] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27203] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27203] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27203] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27203] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27203] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27203] exit_group(0)               = ?
[pid 27203] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27203, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27204 attached
, child_tidptr=0x555555f76650) = 27204
[pid 27204] set_robust_list(0x555555f76660, 24) = 0
[pid 27204] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27204] setpgid(0, 0)               = 0
[pid 27204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27204] write(3, "1000", 4)         = 4
[pid 27204] close(3)                    = 0
[pid 27204] write(1, "executing program\n", 18executing program
) = 18
[pid 27204] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27204] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27204] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27204] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27204] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27204] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27204] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27204] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27204] exit_group(0)               = ?
[pid 27204] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27204, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27205
./strace-static-x86_64: Process 27205 attached
[pid 27205] set_robust_list(0x555555f76660, 24) = 0
[pid 27205] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27205] setpgid(0, 0)               = 0
[pid 27205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27205] write(3, "1000", 4)         = 4
[pid 27205] close(3)                    = 0
[pid 27205] write(1, "executing program\n", 18executing program
) = 18
[pid 27205] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27205] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27205] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27205] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27205] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27205] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27205] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27205] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27205] exit_group(0)               = ?
[pid 27205] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27205, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27206
./strace-static-x86_64: Process 27206 attached
[pid 27206] set_robust_list(0x555555f76660, 24) = 0
[pid 27206] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27206] setpgid(0, 0)               = 0
[pid 27206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27206] write(3, "1000", 4)         = 4
[pid 27206] close(3)                    = 0
[pid 27206] write(1, "executing program\n", 18executing program
) = 18
[pid 27206] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27206] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27206] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27206] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27206] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27206] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27206] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27206] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27206] exit_group(0)               = ?
[pid 27206] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27206, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27207 attached
, child_tidptr=0x555555f76650) = 27207
[pid 27207] set_robust_list(0x555555f76660, 24) = 0
[pid 27207] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27207] setpgid(0, 0)               = 0
[pid 27207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27207] write(3, "1000", 4)         = 4
[pid 27207] close(3executing program
)                    = 0
[pid 27207] write(1, "executing program\n", 18) = 18
[pid 27207] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27207] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27207] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27207] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27207] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27207] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27207] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27207] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27207] exit_group(0)               = ?
[pid 27207] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27207, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27209 attached
, child_tidptr=0x555555f76650) = 27209
[pid 27209] set_robust_list(0x555555f76660, 24) = 0
[pid 27209] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27209] setpgid(0, 0)               = 0
[pid 27209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27209] write(3, "1000", 4)         = 4
[pid 27209] close(3)                    = 0
[pid 27209] write(1, "executing program\n", 18executing program
) = 18
[pid 27209] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27209] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27209] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27209] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27209] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27209] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27209] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27209] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27209] exit_group(0)               = ?
[pid 27209] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27209, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27210 attached
, child_tidptr=0x555555f76650) = 27210
[pid 27210] set_robust_list(0x555555f76660, 24) = 0
[pid 27210] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27210] setpgid(0, 0)               = 0
[pid 27210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27210] write(3, "1000", 4)         = 4
[pid 27210] close(3)                    = 0
[pid 27210] write(1, "executing program\n", 18executing program
) = 18
[pid 27210] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27210] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27210] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27210] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27210] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27210] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27210] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27210] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27210] exit_group(0)               = ?
[pid 27210] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27210, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27211 attached
, child_tidptr=0x555555f76650) = 27211
[pid 27211] set_robust_list(0x555555f76660, 24) = 0
[pid 27211] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27211] setpgid(0, 0)               = 0
[pid 27211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27211] write(3, "1000", 4)         = 4
[pid 27211] close(3)                    = 0
[pid 27211] write(1, "executing program\n", 18executing program
) = 18
[pid 27211] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27211] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27211] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27211] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27211] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27211] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27211] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27211] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27211] exit_group(0)               = ?
[pid 27211] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27211, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27212 attached
, child_tidptr=0x555555f76650) = 27212
[pid 27212] set_robust_list(0x555555f76660, 24) = 0
[pid 27212] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27212] setpgid(0, 0)               = 0
[pid 27212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27212] write(3, "1000", 4)         = 4
[pid 27212] close(3)                    = 0
executing program
[pid 27212] write(1, "executing program\n", 18) = 18
[pid 27212] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27212] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27212] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27212] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27212] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27212] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27212] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27212] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27212] exit_group(0)               = ?
[pid 27212] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27212, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27213
./strace-static-x86_64: Process 27213 attached
[pid 27213] set_robust_list(0x555555f76660, 24) = 0
[pid 27213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27213] setpgid(0, 0)               = 0
[pid 27213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27213] write(3, "1000", 4)         = 4
[pid 27213] close(3executing program
)                    = 0
[pid 27213] write(1, "executing program\n", 18) = 18
[pid 27213] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27213] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27213] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27213] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27213] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27213] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27213] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27213] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27213] exit_group(0)               = ?
[pid 27213] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27213, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27214 attached
, child_tidptr=0x555555f76650) = 27214
[pid 27214] set_robust_list(0x555555f76660, 24) = 0
[pid 27214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27214] setpgid(0, 0)               = 0
[pid 27214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27214] write(3, "1000", 4)         = 4
[pid 27214] close(3)                    = 0
executing program
[pid 27214] write(1, "executing program\n", 18) = 18
[pid 27214] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27214] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27214] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27214] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27214] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27214] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27214] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27214] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27214] exit_group(0)               = ?
[pid 27214] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27214, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27215
./strace-static-x86_64: Process 27215 attached
[pid 27215] set_robust_list(0x555555f76660, 24) = 0
[pid 27215] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27215] setpgid(0, 0)               = 0
[pid 27215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27215] write(3, "1000", 4)         = 4
[pid 27215] close(3)                    = 0
executing program
[pid 27215] write(1, "executing program\n", 18) = 18
[pid 27215] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27215] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27215] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27215] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27215] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27215] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27215] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27215] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27215] exit_group(0)               = ?
[pid 27215] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27215, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27216 attached
, child_tidptr=0x555555f76650) = 27216
[pid 27216] set_robust_list(0x555555f76660, 24) = 0
[pid 27216] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27216] setpgid(0, 0)               = 0
[pid 27216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27216] write(3, "1000", 4)         = 4
[pid 27216] close(3executing program
)                    = 0
[pid 27216] write(1, "executing program\n", 18) = 18
[pid 27216] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27216] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27216] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27216] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27216] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27216] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27216] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27216] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27216] exit_group(0)               = ?
[pid 27216] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27216, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27217 attached
, child_tidptr=0x555555f76650) = 27217
[pid 27217] set_robust_list(0x555555f76660, 24) = 0
[pid 27217] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27217] setpgid(0, 0)               = 0
[pid 27217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27217] write(3, "1000", 4)         = 4
[pid 27217] close(3)                    = 0
[pid 27217] write(1, "executing program\n", 18executing program
) = 18
[pid 27217] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27217] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27217] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27217] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27217] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27217] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27217] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27217] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27217] exit_group(0)               = ?
[pid 27217] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27217, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27218
./strace-static-x86_64: Process 27218 attached
[pid 27218] set_robust_list(0x555555f76660, 24) = 0
[pid 27218] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27218] setpgid(0, 0)               = 0
[pid 27218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27218] write(3, "1000", 4executing program
)         = 4
[pid 27218] close(3)                    = 0
[pid 27218] write(1, "executing program\n", 18) = 18
[pid 27218] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27218] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27218] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27218] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27218] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27218] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27218] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27218] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27218] exit_group(0)               = ?
[pid 27218] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27218, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27219 attached
, child_tidptr=0x555555f76650) = 27219
[pid 27219] set_robust_list(0x555555f76660, 24) = 0
[pid 27219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27219] setpgid(0, 0)               = 0
[pid 27219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27219] write(3, "1000", 4)         = 4
[pid 27219] close(3)                    = 0
[pid 27219] write(1, "executing program\n", 18executing program
) = 18
[pid 27219] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27219] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27219] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27219] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27219] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27219] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27219] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27219] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27219] exit_group(0)               = ?
[pid 27219] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27219, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27220 attached
, child_tidptr=0x555555f76650) = 27220
[pid 27220] set_robust_list(0x555555f76660, 24) = 0
[pid 27220] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27220] setpgid(0, 0)               = 0
[pid 27220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27220] write(3, "1000", 4)         = 4
[pid 27220] close(3)                    = 0
[pid 27220] write(1, "executing program\n", 18executing program
) = 18
[pid 27220] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27220] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27220] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27220] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27220] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27220] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27220] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27220] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27220] exit_group(0)               = ?
[pid 27220] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27220, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27221 attached
, child_tidptr=0x555555f76650) = 27221
[pid 27221] set_robust_list(0x555555f76660, 24) = 0
[pid 27221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27221] setpgid(0, 0)               = 0
[pid 27221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27221] write(3, "1000", 4)         = 4
[pid 27221] close(3executing program
)                    = 0
[pid 27221] write(1, "executing program\n", 18) = 18
[pid 27221] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27221] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27221] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27221] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27221] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27221] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27221] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27221] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27221] exit_group(0)               = ?
[pid 27221] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27221, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27222 attached
, child_tidptr=0x555555f76650) = 27222
[pid 27222] set_robust_list(0x555555f76660, 24) = 0
[pid 27222] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27222] setpgid(0, 0)               = 0
[pid 27222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27222] write(3, "1000", 4)         = 4
[pid 27222] close(3)                    = 0
[pid 27222] write(1, "executing program\n", 18) = 18
[pid 27222] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27222] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27222] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27222] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27222] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27222] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27222] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27222] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27222] exit_group(0)               = ?
[pid 27222] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27222, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27223 attached
, child_tidptr=0x555555f76650) = 27223
[pid 27223] set_robust_list(0x555555f76660, 24) = 0
[pid 27223] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27223] setpgid(0, 0)               = 0
[pid 27223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27223] write(3, "1000", 4)         = 4
executing program
[pid 27223] close(3)                    = 0
[pid 27223] write(1, "executing program\n", 18) = 18
[pid 27223] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27223] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27223] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27223] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27223] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27223] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27223] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27223] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27223] exit_group(0)               = ?
[pid 27223] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27223, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27224
./strace-static-x86_64: Process 27224 attached
[pid 27224] set_robust_list(0x555555f76660, 24) = 0
[pid 27224] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27224] setpgid(0, 0)               = 0
[pid 27224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27224] write(3, "1000", 4)         = 4
[pid 27224] close(3)                    = 0
executing program
[pid 27224] write(1, "executing program\n", 18) = 18
[pid 27224] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27224] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27224] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27224] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27224] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27224] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27224] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27224] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27224] exit_group(0)               = ?
[pid 27224] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27224, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27225 attached
, child_tidptr=0x555555f76650) = 27225
[pid 27225] set_robust_list(0x555555f76660, 24) = 0
[pid 27225] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27225] setpgid(0, 0)               = 0
[pid 27225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27225] write(3, "1000", 4)         = 4
[pid 27225] close(3executing program
)                    = 0
[pid 27225] write(1, "executing program\n", 18) = 18
[pid 27225] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27225] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27225] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27225] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27225] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27225] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27225] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27225] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27225] exit_group(0)               = ?
[pid 27225] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27225, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27226
./strace-static-x86_64: Process 27226 attached
[pid 27226] set_robust_list(0x555555f76660, 24) = 0
[pid 27226] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27226] setpgid(0, 0)               = 0
[pid 27226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27226] write(3, "1000", 4)         = 4
[pid 27226] close(3executing program
)                    = 0
[pid 27226] write(1, "executing program\n", 18) = 18
[pid 27226] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27226] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27226] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27226] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27226] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27226] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27226] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27226] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27226] exit_group(0)               = ?
[pid 27226] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27226, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27227 attached
, child_tidptr=0x555555f76650) = 27227
[pid 27227] set_robust_list(0x555555f76660, 24) = 0
[pid 27227] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27227] setpgid(0, 0)               = 0
[pid 27227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27227] write(3, "1000", 4)         = 4
[pid 27227] close(3)                    = 0
[pid 27227] write(1, "executing program\n", 18executing program
) = 18
[pid 27227] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27227] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27227] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27227] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27227] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27227] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27227] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27227] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27227] exit_group(0)               = ?
[pid 27227] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27227, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27228
./strace-static-x86_64: Process 27228 attached
[pid 27228] set_robust_list(0x555555f76660, 24) = 0
[pid 27228] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27228] setpgid(0, 0)               = 0
[pid 27228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27228] write(3, "1000", 4)         = 4
[pid 27228] close(3executing program
)                    = 0
[pid 27228] write(1, "executing program\n", 18) = 18
[pid 27228] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27228] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27228] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27228] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27228] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27228] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27228] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27228] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27228] exit_group(0)               = ?
[pid 27228] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27228, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27229 attached
, child_tidptr=0x555555f76650) = 27229
[pid 27229] set_robust_list(0x555555f76660, 24) = 0
[pid 27229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27229] setpgid(0, 0)               = 0
[pid 27229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27229] write(3, "1000", 4)         = 4
[pid 27229] close(3)                    = 0
[pid 27229] write(1, "executing program\n", 18executing program
) = 18
[pid 27229] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27229] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27229] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27229] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27229] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27229] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27229] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27229] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27229] exit_group(0)               = ?
[pid 27229] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27229, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27230 attached
, child_tidptr=0x555555f76650) = 27230
[pid 27230] set_robust_list(0x555555f76660, 24) = 0
[pid 27230] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27230] setpgid(0, 0)               = 0
[pid 27230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27230] write(3, "1000", 4)         = 4
[pid 27230] close(3)                    = 0
[pid 27230] write(1, "executing program\n", 18executing program
) = 18
[pid 27230] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27230] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27230] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27230] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27230] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27230] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27230] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27230] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27230] exit_group(0)               = ?
[pid 27230] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27230, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27231 attached
, child_tidptr=0x555555f76650) = 27231
[pid 27231] set_robust_list(0x555555f76660, 24) = 0
[pid 27231] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27231] setpgid(0, 0)               = 0
[pid 27231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27231] write(3, "1000", 4)         = 4
[pid 27231] close(3)                    = 0
executing program
[pid 27231] write(1, "executing program\n", 18) = 18
[pid 27231] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27231] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27231] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27231] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27231] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27231] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27231] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27231] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27231] exit_group(0)               = ?
[pid 27231] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27231, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27232 attached
, child_tidptr=0x555555f76650) = 27232
[pid 27232] set_robust_list(0x555555f76660, 24) = 0
[pid 27232] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27232] setpgid(0, 0)               = 0
[pid 27232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27232] write(3, "1000", 4)         = 4
executing program
[pid 27232] close(3)                    = 0
[pid 27232] write(1, "executing program\n", 18) = 18
[pid 27232] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27232] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27232] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27232] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27232] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27232] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27232] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27232] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27232] exit_group(0)               = ?
[pid 27232] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27232, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27233 attached
, child_tidptr=0x555555f76650) = 27233
[pid 27233] set_robust_list(0x555555f76660, 24) = 0
[pid 27233] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27233] setpgid(0, 0)               = 0
[pid 27233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27233] write(3, "1000", 4)         = 4
[pid 27233] close(3)                    = 0
[pid 27233] write(1, "executing program\n", 18executing program
) = 18
[pid 27233] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27233] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27233] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27233] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27233] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27233] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27233] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27233] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27233] exit_group(0)               = ?
[pid 27233] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27233, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27234 attached
, child_tidptr=0x555555f76650) = 27234
[pid 27234] set_robust_list(0x555555f76660, 24) = 0
[pid 27234] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27234] setpgid(0, 0)               = 0
[pid 27234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27234] write(3, "1000", 4)         = 4
[pid 27234] close(3)                    = 0
executing program
[pid 27234] write(1, "executing program\n", 18) = 18
[pid 27234] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27234] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27234] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27234] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27234] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27234] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27234] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27234] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27234] exit_group(0)               = ?
[pid 27234] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27234, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27235
./strace-static-x86_64: Process 27235 attached
[pid 27235] set_robust_list(0x555555f76660, 24) = 0
[pid 27235] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27235] setpgid(0, 0)               = 0
[pid 27235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27235] write(3, "1000", 4)         = 4
[pid 27235] close(3)                    = 0
executing program
[pid 27235] write(1, "executing program\n", 18) = 18
[pid 27235] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27235] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27235] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27235] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27235] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27235] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27235] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27235] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27235] exit_group(0)               = ?
[pid 27235] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27235, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27236 attached
, child_tidptr=0x555555f76650) = 27236
[pid 27236] set_robust_list(0x555555f76660, 24) = 0
[pid 27236] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27236] setpgid(0, 0)               = 0
[pid 27236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27236] write(3, "1000", 4)         = 4
[pid 27236] close(3)                    = 0
[pid 27236] write(1, "executing program\n", 18executing program
) = 18
[pid 27236] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27236] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27236] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27236] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27236] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27236] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27236] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27236] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27236] exit_group(0)               = ?
[pid 27236] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27236, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
./strace-static-x86_64: Process 27237 attached
, child_tidptr=0x555555f76650) = 27237
[pid 27237] set_robust_list(0x555555f76660, 24) = 0
[pid 27237] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27237] setpgid(0, 0)               = 0
[pid 27237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27237] write(3, "1000", 4)         = 4
[pid 27237] close(3)                    = 0
[pid 27237] write(1, "executing program\n", 18) = 18
[pid 27237] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27237] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27237] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27237] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27237] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27237] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27237] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27237] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27237] exit_group(0)               = ?
[pid 27237] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27237, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27238 attached
, child_tidptr=0x555555f76650) = 27238
[pid 27238] set_robust_list(0x555555f76660, 24) = 0
[pid 27238] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27238] setpgid(0, 0)               = 0
[pid 27238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27238] write(3, "1000", 4)         = 4
[pid 27238] close(3)                    = 0
[pid 27238] write(1, "executing program\n", 18executing program
) = 18
[pid 27238] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27238] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27238] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27238] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27238] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27238] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27238] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27238] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27238] exit_group(0)               = ?
[pid 27238] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27238, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27239
./strace-static-x86_64: Process 27239 attached
[pid 27239] set_robust_list(0x555555f76660, 24) = 0
[pid 27239] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27239] setpgid(0, 0)               = 0
[pid 27239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27239] write(3, "1000", 4)         = 4
[pid 27239] close(3)                    = 0
[pid 27239] write(1, "executing program\n", 18executing program
) = 18
[pid 27239] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27239] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27239] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27239] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27239] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27239] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27239] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27239] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27239] exit_group(0)               = ?
[pid 27239] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27239, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27240 attached
, child_tidptr=0x555555f76650) = 27240
[pid 27240] set_robust_list(0x555555f76660, 24) = 0
[pid 27240] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27240] setpgid(0, 0)               = 0
[pid 27240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27240] write(3, "1000", 4)         = 4
[pid 27240] close(3)                    = 0
[pid 27240] write(1, "executing program\n", 18executing program
) = 18
[pid 27240] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27240] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27240] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27240] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27240] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27240] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27240] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27240] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27240] exit_group(0)               = ?
[pid 27240] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27240, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27241
./strace-static-x86_64: Process 27241 attached
[pid 27241] set_robust_list(0x555555f76660, 24) = 0
[pid 27241] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27241] setpgid(0, 0)               = 0
[pid 27241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27241] write(3, "1000", 4)         = 4
[pid 27241] close(3)                    = 0
[pid 27241] write(1, "executing program\n", 18executing program
) = 18
[pid 27241] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27241] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27241] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27241] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27241] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27241] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27241] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27241] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27241] exit_group(0)               = ?
[pid 27241] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27241, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27242
./strace-static-x86_64: Process 27242 attached
[pid 27242] set_robust_list(0x555555f76660, 24) = 0
[pid 27242] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27242] setpgid(0, 0)               = 0
[pid 27242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27242] write(3, "1000", 4)         = 4
[pid 27242] close(3)                    = 0
[pid 27242] write(1, "executing program\n", 18executing program
) = 18
[pid 27242] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27242] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27242] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27242] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27242] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27242] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27242] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27242] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27242] exit_group(0)               = ?
[pid 27242] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27242, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27243
./strace-static-x86_64: Process 27243 attached
[pid 27243] set_robust_list(0x555555f76660, 24) = 0
[pid 27243] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27243] setpgid(0, 0)               = 0
[pid 27243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27243] write(3, "1000", 4)         = 4
[pid 27243] close(3)                    = 0
[pid 27243] write(1, "executing program\n", 18executing program
) = 18
[pid 27243] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27243] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27243] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27243] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27243] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27243] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27243] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27243] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27243] exit_group(0)               = ?
[pid 27243] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27243, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27244
./strace-static-x86_64: Process 27244 attached
[pid 27244] set_robust_list(0x555555f76660, 24) = 0
[pid 27244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27244] setpgid(0, 0)               = 0
[pid 27244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27244] write(3, "1000", 4)         = 4
[pid 27244] close(3)                    = 0
[pid 27244] write(1, "executing program\n", 18executing program
) = 18
[pid 27244] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27244] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27244] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27244] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27244] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27244] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27244] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27244] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27244] exit_group(0)               = ?
[pid 27244] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27244, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27245
./strace-static-x86_64: Process 27245 attached
[pid 27245] set_robust_list(0x555555f76660, 24) = 0
[pid 27245] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27245] setpgid(0, 0)               = 0
[pid 27245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27245] write(3, "1000", 4)         = 4
[pid 27245] close(3)                    = 0
executing program
[pid 27245] write(1, "executing program\n", 18) = 18
[pid 27245] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27245] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27245] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27245] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27245] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27245] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27245] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27245] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27245] exit_group(0)               = ?
[pid 27245] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27245, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27246
./strace-static-x86_64: Process 27246 attached
[pid 27246] set_robust_list(0x555555f76660, 24) = 0
[pid 27246] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27246] setpgid(0, 0)               = 0
[pid 27246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27246] write(3, "1000", 4)         = 4
[pid 27246] close(3)                    = 0
executing program
[pid 27246] write(1, "executing program\n", 18) = 18
[pid 27246] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27246] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27246] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27246] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27246] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27246] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27246] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27246] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27246] exit_group(0)               = ?
[pid 27246] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27246, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27247 attached
, child_tidptr=0x555555f76650) = 27247
[pid 27247] set_robust_list(0x555555f76660, 24) = 0
[pid 27247] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27247] setpgid(0, 0)               = 0
[pid 27247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27247] write(3, "1000", 4)         = 4
[pid 27247] close(3)                    = 0
executing program
[pid 27247] write(1, "executing program\n", 18) = 18
[pid 27247] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27247] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27247] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27247] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27247] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27247] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27247] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27247] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27247] exit_group(0)               = ?
[pid 27247] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27247, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27248
./strace-static-x86_64: Process 27248 attached
[pid 27248] set_robust_list(0x555555f76660, 24) = 0
[pid 27248] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27248] setpgid(0, 0)               = 0
[pid 27248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27248] write(3, "1000", 4)         = 4
[pid 27248] close(3)                    = 0
[pid 27248] write(1, "executing program\n", 18executing program
) = 18
[pid 27248] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27248] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27248] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27248] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27248] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27248] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27248] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27248] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27248] exit_group(0)               = ?
[pid 27248] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27248, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27249
./strace-static-x86_64: Process 27249 attached
[pid 27249] set_robust_list(0x555555f76660, 24) = 0
[pid 27249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27249] setpgid(0, 0)               = 0
[pid 27249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27249] write(3, "1000", 4)         = 4
[pid 27249] close(3)                    = 0
executing program
[pid 27249] write(1, "executing program\n", 18) = 18
[pid 27249] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27249] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27249] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27249] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27249] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27249] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27249] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27249] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27249] exit_group(0)               = ?
[pid 27249] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27249, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27250 attached
, child_tidptr=0x555555f76650) = 27250
[pid 27250] set_robust_list(0x555555f76660, 24) = 0
[pid 27250] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27250] setpgid(0, 0)               = 0
[pid 27250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27250] write(3, "1000", 4)         = 4
[pid 27250] close(3)                    = 0
[pid 27250] write(1, "executing program\n", 18executing program
) = 18
[pid 27250] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27250] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27250] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27250] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27250] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27250] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27250] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27250] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27250] exit_group(0)               = ?
[pid 27250] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27250, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27251 attached
, child_tidptr=0x555555f76650) = 27251
[pid 27251] set_robust_list(0x555555f76660, 24) = 0
[pid 27251] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27251] setpgid(0, 0)               = 0
[pid 27251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27251] write(3, "1000", 4)         = 4
[pid 27251] close(3)                    = 0
[pid 27251] write(1, "executing program\n", 18executing program
) = 18
[pid 27251] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27251] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27251] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27251] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27251] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27251] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27251] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27251] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27251] exit_group(0)               = ?
[pid 27251] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27251, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27252 attached
, child_tidptr=0x555555f76650) = 27252
[pid 27252] set_robust_list(0x555555f76660, 24) = 0
[pid 27252] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27252] setpgid(0, 0)               = 0
[pid 27252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27252] write(3, "1000", 4)         = 4
executing program
[pid 27252] close(3)                    = 0
[pid 27252] write(1, "executing program\n", 18) = 18
[pid 27252] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27252] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27252] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27252] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27252] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27252] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27252] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27252] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27252] exit_group(0)               = ?
[pid 27252] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27252, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27253 attached
, child_tidptr=0x555555f76650) = 27253
[pid 27253] set_robust_list(0x555555f76660, 24) = 0
[pid 27253] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27253] setpgid(0, 0)               = 0
[pid 27253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27253] write(3, "1000", 4)         = 4
[pid 27253] close(3)                    = 0
executing program
[pid 27253] write(1, "executing program\n", 18) = 18
[pid 27253] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27253] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27253] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27253] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27253] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27253] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27253] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27253] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27253] exit_group(0)               = ?
[pid 27253] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27253, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27254
./strace-static-x86_64: Process 27254 attached
[pid 27254] set_robust_list(0x555555f76660, 24) = 0
[pid 27254] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27254] setpgid(0, 0)               = 0
[pid 27254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27254] write(3, "1000", 4)         = 4
[pid 27254] close(3)                    = 0
executing program
[pid 27254] write(1, "executing program\n", 18) = 18
[pid 27254] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27254] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27254] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27254] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27254] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27254] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27254] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27254] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27254] exit_group(0)               = ?
[pid 27254] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27254, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27255 attached
, child_tidptr=0x555555f76650) = 27255
[pid 27255] set_robust_list(0x555555f76660, 24) = 0
[pid 27255] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27255] setpgid(0, 0)               = 0
[pid 27255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27255] write(3, "1000", 4)         = 4
[pid 27255] close(3)                    = 0
[pid 27255] write(1, "executing program\n", 18executing program
) = 18
[pid 27255] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27255] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27255] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27255] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27255] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27255] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27255] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27255] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27255] exit_group(0)               = ?
[pid 27255] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27255, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27256 attached
, child_tidptr=0x555555f76650) = 27256
[pid 27256] set_robust_list(0x555555f76660, 24) = 0
[pid 27256] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27256] setpgid(0, 0)               = 0
[pid 27256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27256] write(3, "1000", 4)         = 4
[pid 27256] close(3executing program
)                    = 0
[pid 27256] write(1, "executing program\n", 18) = 18
[pid 27256] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27256] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27256] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27256] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27256] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27256] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27256] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27256] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27256] exit_group(0)               = ?
[pid 27256] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27256, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>executing program
) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27257 attached
, child_tidptr=0x555555f76650) = 27257
[pid 27257] set_robust_list(0x555555f76660, 24) = 0
[pid 27257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27257] setpgid(0, 0)               = 0
[pid 27257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27257] write(3, "1000", 4)         = 4
[pid 27257] close(3)                    = 0
[pid 27257] write(1, "executing program\n", 18) = 18
[pid 27257] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27257] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27257] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27257] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27257] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27257] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27257] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27257] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27257] exit_group(0)               = ?
[pid 27257] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27257, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27258 attached
, child_tidptr=0x555555f76650) = 27258
[pid 27258] set_robust_list(0x555555f76660, 24) = 0
[pid 27258] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27258] setpgid(0, 0)               = 0
[pid 27258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27258] write(3, "1000", 4)         = 4
[pid 27258] close(3)                    = 0
[pid 27258] write(1, "executing program\n", 18executing program
) = 18
[pid 27258] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27258] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27258] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27258] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27258] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27258] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27258] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27258] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27258] exit_group(0)               = ?
[pid 27258] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27258, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27259 attached
, child_tidptr=0x555555f76650) = 27259
[pid 27259] set_robust_list(0x555555f76660, 24) = 0
[pid 27259] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27259] setpgid(0, 0)               = 0
[pid 27259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27259] write(3, "1000", 4)         = 4
[pid 27259] close(3)                    = 0
[pid 27259] write(1, "executing program\n", 18executing program
) = 18
[pid 27259] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27259] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27259] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27259] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27259] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27259] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27259] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27259] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27259] exit_group(0)               = ?
[pid 27259] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27259, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27260 attached
, child_tidptr=0x555555f76650) = 27260
[pid 27260] set_robust_list(0x555555f76660, 24) = 0
[pid 27260] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27260] setpgid(0, 0)               = 0
executing program
[pid 27260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27260] write(3, "1000", 4)         = 4
[pid 27260] close(3)                    = 0
[pid 27260] write(1, "executing program\n", 18) = 18
[pid 27260] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27260] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27260] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27260] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27260] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27260] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27260] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27260] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27260] exit_group(0)               = ?
[pid 27260] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27260, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27261 attached
, child_tidptr=0x555555f76650) = 27261
[pid 27261] set_robust_list(0x555555f76660, 24) = 0
[pid 27261] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27261] setpgid(0, 0)               = 0
[pid 27261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27261] write(3, "1000", 4)         = 4
executing program
[pid 27261] close(3)                    = 0
[pid 27261] write(1, "executing program\n", 18) = 18
[pid 27261] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27261] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27261] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27261] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27261] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27261] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27261] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27261] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27261] exit_group(0)               = ?
[pid 27261] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27261, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27262
./strace-static-x86_64: Process 27262 attached
[pid 27262] set_robust_list(0x555555f76660, 24) = 0
[pid 27262] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27262] setpgid(0, 0)               = 0
[pid 27262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27262] write(3, "1000", 4)         = 4
[pid 27262] close(3)                    = 0
executing program
[pid 27262] write(1, "executing program\n", 18) = 18
[pid 27262] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27262] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27262] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27262] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27262] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27262] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27262] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27262] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27262] exit_group(0)               = ?
[pid 27262] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27262, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27263
./strace-static-x86_64: Process 27263 attached
[pid 27263] set_robust_list(0x555555f76660, 24) = 0
[pid 27263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27263] setpgid(0, 0)               = 0
[pid 27263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27263] write(3, "1000", 4)         = 4
[pid 27263] close(3executing program
)                    = 0
[pid 27263] write(1, "executing program\n", 18) = 18
[pid 27263] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27263] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27263] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27263] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27263] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27263] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27263] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27263] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27263] exit_group(0)               = ?
[pid 27263] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27263, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27264 attached
, child_tidptr=0x555555f76650) = 27264
[pid 27264] set_robust_list(0x555555f76660, 24) = 0
[pid 27264] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
executing program
[pid 27264] setpgid(0, 0)               = 0
[pid 27264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27264] write(3, "1000", 4)         = 4
[pid 27264] close(3)                    = 0
[pid 27264] write(1, "executing program\n", 18) = 18
[pid 27264] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27264] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27264] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27264] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27264] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27264] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27264] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27264] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27264] exit_group(0)               = ?
[pid 27264] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27264, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27265
./strace-static-x86_64: Process 27265 attached
[pid 27265] set_robust_list(0x555555f76660, 24) = 0
[pid 27265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27265] setpgid(0, 0)               = 0
[pid 27265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27265] write(3, "1000", 4)         = 4
[pid 27265] close(3)                    = 0
executing program
[pid 27265] write(1, "executing program\n", 18) = 18
[pid 27265] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27265] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27265] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27265] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27265] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27265] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27265] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27265] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27265] exit_group(0)               = ?
[pid 27265] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27265, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27266 attached
, child_tidptr=0x555555f76650) = 27266
[pid 27266] set_robust_list(0x555555f76660, 24) = 0
[pid 27266] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27266] setpgid(0, 0)               = 0
[pid 27266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27266] write(3, "1000", 4)         = 4
[pid 27266] close(3)                    = 0
[pid 27266] write(1, "executing program\n", 18executing program
) = 18
[pid 27266] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27266] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27266] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27266] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27266] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27266] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27266] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27266] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27266] exit_group(0)               = ?
[pid 27266] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27266, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27267
./strace-static-x86_64: Process 27267 attached
[pid 27267] set_robust_list(0x555555f76660, 24) = 0
[pid 27267] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27267] setpgid(0, 0)               = 0
[pid 27267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27267] write(3, "1000", 4)         = 4
[pid 27267] close(3)                    = 0
executing program
[pid 27267] write(1, "executing program\n", 18) = 18
[pid 27267] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27267] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27267] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27267] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27267] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27267] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27267] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27267] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27267] exit_group(0)               = ?
[pid 27267] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27267, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27268 attached
, child_tidptr=0x555555f76650) = 27268
[pid 27268] set_robust_list(0x555555f76660, 24) = 0
[pid 27268] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27268] setpgid(0, 0)               = 0
[pid 27268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27268] write(3, "1000", 4)         = 4
[pid 27268] close(3)                    = 0
executing program
[pid 27268] write(1, "executing program\n", 18) = 18
[pid 27268] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27268] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27268] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27268] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27268] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27268] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27268] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27268] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27268] exit_group(0)               = ?
[pid 27268] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27268, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27269
./strace-static-x86_64: Process 27269 attached
[pid 27269] set_robust_list(0x555555f76660, 24) = 0
[pid 27269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27269] setpgid(0, 0)               = 0
[pid 27269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27269] write(3, "1000", 4)         = 4
[pid 27269] close(3)                    = 0
[pid 27269] write(1, "executing program\n", 18executing program
) = 18
[pid 27269] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27269] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27269] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27269] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27269] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27269] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27269] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27269] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27269] exit_group(0)               = ?
[pid 27269] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27269, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27270
./strace-static-x86_64: Process 27270 attached
[pid 27270] set_robust_list(0x555555f76660, 24) = 0
[pid 27270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27270] setpgid(0, 0)               = 0
[pid 27270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27270] write(3, "1000", 4)         = 4
[pid 27270] close(3)                    = 0
[pid 27270] write(1, "executing program\n", 18executing program
) = 18
[pid 27270] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27270] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27270] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27270] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27270] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27270] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27270] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27270] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27270] exit_group(0)               = ?
[pid 27270] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27270, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27271 attached
, child_tidptr=0x555555f76650) = 27271
[pid 27271] set_robust_list(0x555555f76660, 24) = 0
[pid 27271] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27271] setpgid(0, 0)               = 0
[pid 27271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27271] write(3, "1000", 4)         = 4
[pid 27271] close(3)                    = 0
[pid 27271] write(1, "executing program\n", 18executing program
) = 18
[pid 27271] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27271] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27271] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27271] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27271] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27271] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27271] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27271] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27271] exit_group(0)               = ?
[pid 27271] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27271, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27272 attached
, child_tidptr=0x555555f76650) = 27272
[pid 27272] set_robust_list(0x555555f76660, 24) = 0
[pid 27272] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27272] setpgid(0, 0)               = 0
[pid 27272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27272] write(3, "1000", 4)         = 4
[pid 27272] close(3)                    = 0
[pid 27272] write(1, "executing program\n", 18executing program
) = 18
[pid 27272] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27272] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27272] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27272] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27272] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27272] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27272] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27272] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27272] exit_group(0)               = ?
[pid 27272] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27272, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27273
./strace-static-x86_64: Process 27273 attached
[pid 27273] set_robust_list(0x555555f76660, 24) = 0
[pid 27273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27273] setpgid(0, 0)               = 0
[pid 27273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27273] write(3, "1000", 4)         = 4
[pid 27273] close(3)                    = 0
[pid 27273] write(1, "executing program\n", 18executing program
) = 18
[pid 27273] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27273] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27273] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27273] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27273] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27273] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27273] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27273] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27273] exit_group(0)               = ?
[pid 27273] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27273, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27274
./strace-static-x86_64: Process 27274 attached
[pid 27274] set_robust_list(0x555555f76660, 24) = 0
[pid 27274] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27274] setpgid(0, 0)               = 0
[pid 27274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27274] write(3, "1000", 4)         = 4
[pid 27274] close(3executing program
)                    = 0
[pid 27274] write(1, "executing program\n", 18) = 18
[pid 27274] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27274] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27274] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27274] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27274] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27274] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27274] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27274] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27274] exit_group(0)               = ?
[pid 27274] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27274, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27275
./strace-static-x86_64: Process 27275 attached
[pid 27275] set_robust_list(0x555555f76660, 24) = 0
[pid 27275] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27275] setpgid(0, 0)               = 0
[pid 27275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27275] write(3, "1000", 4)         = 4
[pid 27275] close(3)                    = 0
executing program
[pid 27275] write(1, "executing program\n", 18) = 18
[pid 27275] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27275] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27275] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27275] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27275] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27275] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27275] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27275] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27275] exit_group(0)               = ?
[pid 27275] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27275, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27276
./strace-static-x86_64: Process 27276 attached
[pid 27276] set_robust_list(0x555555f76660, 24) = 0
[pid 27276] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27276] setpgid(0, 0)               = 0
[pid 27276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27276] write(3, "1000", 4)         = 4
[pid 27276] close(3)                    = 0
executing program
[pid 27276] write(1, "executing program\n", 18) = 18
[pid 27276] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27276] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27276] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27276] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27276] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27276] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27276] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27276] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27276] exit_group(0)               = ?
[pid 27276] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27276, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27277 attached
, child_tidptr=0x555555f76650) = 27277
[pid 27277] set_robust_list(0x555555f76660, 24) = 0
[pid 27277] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27277] setpgid(0, 0)               = 0
[pid 27277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27277] write(3, "1000", 4)         = 4
[pid 27277] close(3)                    = 0
[pid 27277] write(1, "executing program\n", 18executing program
) = 18
[pid 27277] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27277] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27277] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27277] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27277] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27277] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27277] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27277] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27277] exit_group(0)               = ?
[pid 27277] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27277, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27278
./strace-static-x86_64: Process 27278 attached
[pid 27278] set_robust_list(0x555555f76660, 24) = 0
[pid 27278] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27278] setpgid(0, 0)               = 0
[pid 27278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27278] write(3, "1000", 4)         = 4
[pid 27278] close(3)                    = 0
executing program
[pid 27278] write(1, "executing program\n", 18) = 18
[pid 27278] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27278] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27278] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27278] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27278] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27278] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27278] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27278] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27278] exit_group(0)               = ?
[pid 27278] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27278, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27279
./strace-static-x86_64: Process 27279 attached
[pid 27279] set_robust_list(0x555555f76660, 24) = 0
[pid 27279] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27279] setpgid(0, 0)               = 0
[pid 27279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27279] write(3, "1000", 4)         = 4
[pid 27279] close(3)                    = 0
[pid 27279] write(1, "executing program\n", 18executing program
) = 18
[pid 27279] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27279] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27279] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27279] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27279] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27279] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27279] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27279] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27279] exit_group(0)               = ?
[pid 27279] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27279, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27280 attached
, child_tidptr=0x555555f76650) = 27280
[pid 27280] set_robust_list(0x555555f76660, 24) = 0
[pid 27280] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27280] setpgid(0, 0)               = 0
[pid 27280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27280] write(3, "1000", 4)         = 4
[pid 27280] close(3)                    = 0
executing program
[pid 27280] write(1, "executing program\n", 18) = 18
[pid 27280] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27280] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27280] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27280] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27280] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27280] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27280] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27280] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27280] exit_group(0)               = ?
[pid 27280] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27280, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27281
./strace-static-x86_64: Process 27281 attached
[pid 27281] set_robust_list(0x555555f76660, 24) = 0
[pid 27281] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27281] setpgid(0, 0)               = 0
[pid 27281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27281] write(3, "1000", 4)         = 4
[pid 27281] close(3executing program
)                    = 0
[pid 27281] write(1, "executing program\n", 18) = 18
[pid 27281] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27281] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27281] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27281] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27281] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27281] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27281] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27281] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27281] exit_group(0)               = ?
[pid 27281] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27281, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27282 attached
, child_tidptr=0x555555f76650) = 27282
[pid 27282] set_robust_list(0x555555f76660, 24) = 0
[pid 27282] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27282] setpgid(0, 0)               = 0
[pid 27282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27282] write(3, "1000", 4)         = 4
[pid 27282] close(3)                    = 0
[pid 27282] write(1, "executing program\n", 18executing program
) = 18
[pid 27282] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27282] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27282] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27282] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27282] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27282] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27282] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27282] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27282] exit_group(0)               = ?
[pid 27282] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27282, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27283
./strace-static-x86_64: Process 27283 attached
[pid 27283] set_robust_list(0x555555f76660, 24) = 0
[pid 27283] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27283] setpgid(0, 0)               = 0
[pid 27283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27283] write(3, "1000", 4)         = 4
[pid 27283] close(3)                    = 0
executing program
[pid 27283] write(1, "executing program\n", 18) = 18
[pid 27283] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27283] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27283] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27283] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27283] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27283] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27283] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27283] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27283] exit_group(0)               = ?
[pid 27283] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27283, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27284
./strace-static-x86_64: Process 27284 attached
[pid 27284] set_robust_list(0x555555f76660, 24) = 0
[pid 27284] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27284] setpgid(0, 0)               = 0
[pid 27284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27284] write(3, "1000", 4)         = 4
[pid 27284] close(3)                    = 0
executing program
[pid 27284] write(1, "executing program\n", 18) = 18
[pid 27284] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27284] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27284] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27284] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27284] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27284] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27284] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27284] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27284] exit_group(0)               = ?
[pid 27284] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27284, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27285
./strace-static-x86_64: Process 27285 attached
[pid 27285] set_robust_list(0x555555f76660, 24) = 0
[pid 27285] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27285] setpgid(0, 0)               = 0
[pid 27285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27285] write(3, "1000", 4)         = 4
[pid 27285] close(3)                    = 0
executing program
[pid 27285] write(1, "executing program\n", 18) = 18
[pid 27285] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27285] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27285] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27285] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27285] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27285] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27285] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27285] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27285] exit_group(0)               = ?
[pid 27285] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27285, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27286
./strace-static-x86_64: Process 27286 attached
[pid 27286] set_robust_list(0x555555f76660, 24) = 0
[pid 27286] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27286] setpgid(0, 0)               = 0
[pid 27286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27286] write(3, "1000", 4)         = 4
[pid 27286] close(3)                    = 0
[pid 27286] write(1, "executing program\n", 18executing program
) = 18
[pid 27286] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27286] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27286] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27286] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27286] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27286] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27286] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27286] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27286] exit_group(0)               = ?
[pid 27286] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27286, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27287 attached
, child_tidptr=0x555555f76650) = 27287
[pid 27287] set_robust_list(0x555555f76660, 24) = 0
[pid 27287] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27287] setpgid(0, 0)               = 0
[pid 27287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27287] write(3, "1000", 4)         = 4
[pid 27287] close(3)                    = 0
[pid 27287] write(1, "executing program\n", 18executing program
) = 18
[pid 27287] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27287] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27287] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27287] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27287] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27287] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27287] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27287] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27287] exit_group(0)               = ?
[pid 27287] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27287, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27288 attached
, child_tidptr=0x555555f76650) = 27288
[pid 27288] set_robust_list(0x555555f76660, 24) = 0
[pid 27288] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27288] setpgid(0, 0)               = 0
[pid 27288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27288] write(3, "1000", 4)         = 4
[pid 27288] close(3)                    = 0
[pid 27288] write(1, "executing program\n", 18) = 18
[pid 27288] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27288] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27288] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27288] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27288] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27288] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27288] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27288] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27288] exit_group(0)               = ?
[pid 27288] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27288, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27289 attached
, child_tidptr=0x555555f76650) = 27289
[pid 27289] set_robust_list(0x555555f76660, 24) = 0
[pid 27289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27289] setpgid(0, 0)               = 0
[pid 27289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27289] write(3, "1000", 4)         = 4
[pid 27289] close(3)                    = 0
executing program
[pid 27289] write(1, "executing program\n", 18) = 18
[pid 27289] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27289] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27289] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27289] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27289] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27289] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27289] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27289] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27289] exit_group(0)               = ?
[pid 27289] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27289, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27290
./strace-static-x86_64: Process 27290 attached
[pid 27290] set_robust_list(0x555555f76660, 24) = 0
[pid 27290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27290] setpgid(0, 0)               = 0
[pid 27290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27290] write(3, "1000", 4)         = 4
[pid 27290] close(3)                    = 0
executing program
[pid 27290] write(1, "executing program\n", 18) = 18
[pid 27290] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27290] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27290] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27290] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27290] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27290] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27290] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27290] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27290] exit_group(0)               = ?
[pid 27290] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27290, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27291 attached
, child_tidptr=0x555555f76650) = 27291
[pid 27291] set_robust_list(0x555555f76660, 24) = 0
[pid 27291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27291] setpgid(0, 0)               = 0
[pid 27291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27291] write(3, "1000", 4)         = 4
[pid 27291] close(3)                    = 0
executing program
[pid 27291] write(1, "executing program\n", 18) = 18
[pid 27291] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27291] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27291] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27291] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27291] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27291] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27291] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27291] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27291] exit_group(0)               = ?
[pid 27291] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27291, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27292
./strace-static-x86_64: Process 27292 attached
[pid 27292] set_robust_list(0x555555f76660, 24) = 0
[pid 27292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27292] setpgid(0, 0)               = 0
[pid 27292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27292] write(3, "1000", 4)         = 4
[pid 27292] close(3)                    = 0
executing program
[pid 27292] write(1, "executing program\n", 18) = 18
[pid 27292] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27292] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27292] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27292] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27292] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27292] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27292] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27292] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27292] exit_group(0)               = ?
[pid 27292] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27292, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27293 attached
, child_tidptr=0x555555f76650) = 27293
[pid 27293] set_robust_list(0x555555f76660, 24) = 0
[pid 27293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27293] setpgid(0, 0)               = 0
[pid 27293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27293] write(3, "1000", 4)         = 4
[pid 27293] close(3)                    = 0
[pid 27293] write(1, "executing program\n", 18) = 18
[pid 27293] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27293] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27293] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27293] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27293] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27293] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27293] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27293] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27293] exit_group(0)               = ?
[pid 27293] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27293, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27294 attached
, child_tidptr=0x555555f76650) = 27294
[pid 27294] set_robust_list(0x555555f76660, 24) = 0
[pid 27294] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27294] setpgid(0, 0)               = 0
[pid 27294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27294] write(3, "1000", 4)         = 4
executing program
[pid 27294] close(3)                    = 0
[pid 27294] write(1, "executing program\n", 18) = 18
[pid 27294] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27294] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27294] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27294] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27294] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27294] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27294] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27294] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27294] exit_group(0)               = ?
[pid 27294] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27294, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27295 attached
, child_tidptr=0x555555f76650) = 27295
[pid 27295] set_robust_list(0x555555f76660, 24) = 0
[pid 27295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27295] setpgid(0, 0)               = 0
[pid 27295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27295] write(3, "1000", 4)         = 4
[pid 27295] close(3)                    = 0
executing program
[pid 27295] write(1, "executing program\n", 18) = 18
[pid 27295] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27295] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27295] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27295] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27295] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27295] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27295] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27295] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27295] exit_group(0)               = ?
[pid 27295] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27295, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27296
./strace-static-x86_64: Process 27296 attached
[pid 27296] set_robust_list(0x555555f76660, 24) = 0
[pid 27296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27296] setpgid(0, 0)               = 0
[pid 27296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27296] write(3, "1000", 4)         = 4
[pid 27296] close(3executing program
)                    = 0
[pid 27296] write(1, "executing program\n", 18) = 18
[pid 27296] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27296] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27296] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27296] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27296] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27296] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27296] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27296] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27296] exit_group(0)               = ?
[pid 27296] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27296, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27297 attached
, child_tidptr=0x555555f76650) = 27297
[pid 27297] set_robust_list(0x555555f76660, 24) = 0
[pid 27297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27297] setpgid(0, 0)               = 0
[pid 27297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27297] write(3, "1000", 4)         = 4
[pid 27297] close(3)                    = 0
[pid 27297] write(1, "executing program\n", 18executing program
) = 18
[pid 27297] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27297] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27297] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27297] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27297] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27297] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27297] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27297] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27297] exit_group(0)               = ?
[pid 27297] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27297, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27299
./strace-static-x86_64: Process 27299 attached
[pid 27299] set_robust_list(0x555555f76660, 24) = 0
[pid 27299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27299] setpgid(0, 0)               = 0
[pid 27299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27299] write(3, "1000", 4)         = 4
[pid 27299] close(3executing program
)                    = 0
[pid 27299] write(1, "executing program\n", 18) = 18
[pid 27299] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27299] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27299] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27299] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27299] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27299] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27299] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27299] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27299] exit_group(0)               = ?
[pid 27299] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27299, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27300 attached
, child_tidptr=0x555555f76650) = 27300
[pid 27300] set_robust_list(0x555555f76660, 24) = 0
[pid 27300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27300] setpgid(0, 0)               = 0
[pid 27300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27300] write(3, "1000", 4)         = 4
[pid 27300] close(3)                    = 0
[pid 27300] write(1, "executing program\n", 18executing program
) = 18
[pid 27300] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27300] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27300] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27300] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27300] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27300] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27300] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27300] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27300] exit_group(0)               = ?
[pid 27300] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27300, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27301 attached
, child_tidptr=0x555555f76650) = 27301
[pid 27301] set_robust_list(0x555555f76660, 24) = 0
[pid 27301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27301] setpgid(0, 0)               = 0
[pid 27301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27301] write(3, "1000", 4)         = 4
[pid 27301] close(3)                    = 0
executing program
[pid 27301] write(1, "executing program\n", 18) = 18
[pid 27301] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27301] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27301] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27301] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27301] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27301] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27301] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27301] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27301] exit_group(0)               = ?
[pid 27301] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27301, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27302
./strace-static-x86_64: Process 27302 attached
[pid 27302] set_robust_list(0x555555f76660, 24) = 0
[pid 27302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27302] setpgid(0, 0)               = 0
[pid 27302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27302] write(3, "1000", 4)         = 4
[pid 27302] close(3)                    = 0
[pid 27302] write(1, "executing program\n", 18executing program
) = 18
[pid 27302] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27302] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27302] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27302] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27302] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27302] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27302] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27302] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27302] exit_group(0)               = ?
[pid 27302] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27302, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27303
./strace-static-x86_64: Process 27303 attached
[pid 27303] set_robust_list(0x555555f76660, 24) = 0
[pid 27303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27303] setpgid(0, 0)               = 0
[pid 27303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27303] write(3, "1000", 4)         = 4
[pid 27303] close(3)                    = 0
[pid 27303] write(1, "executing program\n", 18executing program
) = 18
[pid 27303] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27303] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27303] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27303] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27303] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27303] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27303] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27303] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27303] exit_group(0)               = ?
[pid 27303] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27303, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27304 attached
, child_tidptr=0x555555f76650) = 27304
[pid 27304] set_robust_list(0x555555f76660, 24) = 0
[pid 27304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27304] setpgid(0, 0)               = 0
[pid 27304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27304] write(3, "1000", 4)         = 4
[pid 27304] close(3)                    = 0
executing program
[pid 27304] write(1, "executing program\n", 18) = 18
[pid 27304] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27304] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27304] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27304] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27304] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27304] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27304] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27304] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27304] exit_group(0)               = ?
[pid 27304] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27304, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27305 attached
, child_tidptr=0x555555f76650) = 27305
[pid 27305] set_robust_list(0x555555f76660, 24) = 0
[pid 27305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27305] setpgid(0, 0)               = 0
[pid 27305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27305] write(3, "1000", 4)         = 4
[pid 27305] close(3)                    = 0
executing program
[pid 27305] write(1, "executing program\n", 18) = 18
[pid 27305] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27305] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27305] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27305] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27305] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27305] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27305] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27305] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27305] exit_group(0)               = ?
[pid 27305] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27305, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27306
./strace-static-x86_64: Process 27306 attached
[pid 27306] set_robust_list(0x555555f76660, 24) = 0
[pid 27306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27306] setpgid(0, 0)               = 0
[pid 27306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27306] write(3, "1000", 4)         = 4
[pid 27306] close(3)                    = 0
executing program
[pid 27306] write(1, "executing program\n", 18) = 18
[pid 27306] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27306] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27306] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27306] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27306] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27306] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27306] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27306] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27306] exit_group(0)               = ?
[pid 27306] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27306, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27307 attached
, child_tidptr=0x555555f76650) = 27307
[pid 27307] set_robust_list(0x555555f76660, 24) = 0
[pid 27307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27307] setpgid(0, 0)               = 0
[pid 27307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27307] write(3, "1000", 4)         = 4
[pid 27307] close(3)                    = 0
[pid 27307] write(1, "executing program\n", 18executing program
) = 18
[pid 27307] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27307] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27307] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27307] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27307] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27307] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27307] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27307] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27307] exit_group(0)               = ?
[pid 27307] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27307, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27308 attached
, child_tidptr=0x555555f76650) = 27308
[pid 27308] set_robust_list(0x555555f76660, 24) = 0
[pid 27308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27308] setpgid(0, 0)               = 0
[pid 27308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27308] write(3, "1000", 4executing program
)         = 4
[pid 27308] close(3)                    = 0
[pid 27308] write(1, "executing program\n", 18) = 18
[pid 27308] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27308] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27308] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27308] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27308] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27308] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27308] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27308] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27308] exit_group(0)               = ?
[pid 27308] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27308, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27309 attached
, child_tidptr=0x555555f76650) = 27309
[pid 27309] set_robust_list(0x555555f76660, 24) = 0
[pid 27309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27309] setpgid(0, 0)               = 0
[pid 27309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27309] write(3, "1000", 4)         = 4
[pid 27309] close(3)                    = 0
[pid 27309] write(1, "executing program\n", 18executing program
) = 18
[pid 27309] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27309] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27309] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27309] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27309] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27309] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27309] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27309] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27309] exit_group(0)               = ?
[pid 27309] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27309, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27310 attached
, child_tidptr=0x555555f76650) = 27310
[pid 27310] set_robust_list(0x555555f76660, 24) = 0
[pid 27310] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27310] setpgid(0, 0)               = 0
[pid 27310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27310] write(3, "1000", 4)         = 4
[pid 27310] close(3)                    = 0
[pid 27310] write(1, "executing program\n", 18executing program
) = 18
[pid 27310] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27310] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27310] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27310] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27310] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27310] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27310] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27310] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27310] exit_group(0)               = ?
[pid 27310] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27310, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27311 attached
, child_tidptr=0x555555f76650) = 27311
[pid 27311] set_robust_list(0x555555f76660, 24) = 0
[pid 27311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27311] setpgid(0, 0)               = 0
[pid 27311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27311] write(3, "1000", 4)         = 4
[pid 27311] close(3executing program
)                    = 0
[pid 27311] write(1, "executing program\n", 18) = 18
[pid 27311] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27311] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27311] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27311] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27311] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27311] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27311] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27311] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27311] exit_group(0)               = ?
[pid 27311] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27311, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27312 attached
, child_tidptr=0x555555f76650) = 27312
[pid 27312] set_robust_list(0x555555f76660, 24) = 0
[pid 27312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27312] setpgid(0, 0)               = 0
[pid 27312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27312] write(3, "1000", 4)         = 4
[pid 27312] close(3)                    = 0
[pid 27312] write(1, "executing program\n", 18executing program
) = 18
[pid 27312] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27312] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27312] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27312] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27312] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27312] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27312] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27312] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27312] exit_group(0)               = ?
[pid 27312] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27312, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27313 attached
, child_tidptr=0x555555f76650) = 27313
[pid 27313] set_robust_list(0x555555f76660, 24) = 0
[pid 27313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27313] setpgid(0, 0)               = 0
[pid 27313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27313] write(3, "1000", 4)         = 4
[pid 27313] close(3)                    = 0
[pid 27313] write(1, "executing program\n", 18executing program
) = 18
[pid 27313] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27313] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27313] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27313] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27313] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27313] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27313] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27313] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27313] exit_group(0)               = ?
[pid 27313] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27313, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27314 attached
, child_tidptr=0x555555f76650) = 27314
[pid 27314] set_robust_list(0x555555f76660, 24) = 0
[pid 27314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27314] setpgid(0, 0)               = 0
[pid 27314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27314] write(3, "1000", 4)         = 4
[pid 27314] close(3)                    = 0
[pid 27314] write(1, "executing program\n", 18executing program
) = 18
[pid 27314] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27314] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27314] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27314] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27314] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27314] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27314] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27314] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27314] exit_group(0)               = ?
[pid 27314] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27314, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27315
./strace-static-x86_64: Process 27315 attached
[pid 27315] set_robust_list(0x555555f76660, 24) = 0
[pid 27315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27315] setpgid(0, 0)               = 0
[pid 27315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27315] write(3, "1000", 4executing program
)         = 4
[pid 27315] close(3)                    = 0
[pid 27315] write(1, "executing program\n", 18) = 18
[pid 27315] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27315] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27315] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27315] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27315] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27315] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27315] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27315] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27315] exit_group(0)               = ?
[pid 27315] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27315, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27316
./strace-static-x86_64: Process 27316 attached
[pid 27316] set_robust_list(0x555555f76660, 24) = 0
[pid 27316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27316] setpgid(0, 0)               = 0
[pid 27316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27316] write(3, "1000", 4)         = 4
[pid 27316] close(3)                    = 0
[pid 27316] write(1, "executing program\n", 18executing program
) = 18
[pid 27316] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27316] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27316] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27316] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27316] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27316] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27316] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27316] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27316] exit_group(0)               = ?
[pid 27316] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27316, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27317
./strace-static-x86_64: Process 27317 attached
[pid 27317] set_robust_list(0x555555f76660, 24) = 0
[pid 27317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27317] setpgid(0, 0)               = 0
[pid 27317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27317] write(3, "1000", 4)         = 4
[pid 27317] close(3)                    = 0
[pid 27317] write(1, "executing program\n", 18executing program
) = 18
[pid 27317] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27317] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27317] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27317] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27317] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27317] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27317] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27317] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27317] exit_group(0)               = ?
[pid 27317] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27317, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27318 attached
, child_tidptr=0x555555f76650) = 27318
[pid 27318] set_robust_list(0x555555f76660, 24) = 0
[pid 27318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27318] setpgid(0, 0)               = 0
[pid 27318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27318] write(3, "1000", 4)         = 4
[pid 27318] close(3)                    = 0
executing program
[pid 27318] write(1, "executing program\n", 18) = 18
[pid 27318] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27318] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27318] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27318] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27318] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27318] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27318] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27318] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27318] exit_group(0)               = ?
[pid 27318] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27318, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27319 attached
, child_tidptr=0x555555f76650) = 27319
[pid 27319] set_robust_list(0x555555f76660, 24) = 0
[pid 27319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27319] setpgid(0, 0)               = 0
[pid 27319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27319] write(3, "1000", 4)         = 4
executing program
[pid 27319] close(3)                    = 0
[pid 27319] write(1, "executing program\n", 18) = 18
[pid 27319] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27319] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27319] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27319] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27319] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27319] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27319] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27319] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27319] exit_group(0)               = ?
[pid 27319] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27319, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27320 attached
, child_tidptr=0x555555f76650) = 27320
[pid 27320] set_robust_list(0x555555f76660, 24) = 0
[pid 27320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27320] setpgid(0, 0)               = 0
[pid 27320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27320] write(3, "1000", 4)         = 4
[pid 27320] close(3)                    = 0
[pid 27320] write(1, "executing program\n", 18) = 18
[pid 27320] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27320] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27320] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27320] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27320] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27320] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27320] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27320] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27320] exit_group(0)               = ?
[pid 27320] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27320, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27321 attached
, child_tidptr=0x555555f76650) = 27321
[pid 27321] set_robust_list(0x555555f76660, 24) = 0
[pid 27321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27321] setpgid(0, 0)               = 0
[pid 27321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27321] write(3, "1000", 4)         = 4
[pid 27321] close(3)                    = 0
[pid 27321] write(1, "executing program\n", 18executing program
) = 18
[pid 27321] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27321] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27321] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27321] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27321] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27321] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27321] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27321] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27321] exit_group(0)               = ?
[pid 27321] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27321, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27322 attached
, child_tidptr=0x555555f76650) = 27322
[pid 27322] set_robust_list(0x555555f76660, 24) = 0
[pid 27322] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27322] setpgid(0, 0)               = 0
[pid 27322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27322] write(3, "1000", 4executing program
)         = 4
[pid 27322] close(3)                    = 0
[pid 27322] write(1, "executing program\n", 18) = 18
[pid 27322] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27322] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27322] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27322] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27322] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27322] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27322] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27322] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27322] exit_group(0)               = ?
[pid 27322] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27322, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27323 attached
, child_tidptr=0x555555f76650) = 27323
[pid 27323] set_robust_list(0x555555f76660, 24) = 0
[pid 27323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
executing program
[pid 27323] setpgid(0, 0)               = 0
[pid 27323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27323] write(3, "1000", 4)         = 4
[pid 27323] close(3)                    = 0
[pid 27323] write(1, "executing program\n", 18) = 18
[pid 27323] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27323] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27323] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27323] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27323] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27323] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27323] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27323] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27323] exit_group(0)               = ?
[pid 27323] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27323, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27324 attached
, child_tidptr=0x555555f76650) = 27324
[pid 27324] set_robust_list(0x555555f76660, 24) = 0
[pid 27324] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27324] setpgid(0, 0)               = 0
[pid 27324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27324] write(3, "1000", 4)         = 4
[pid 27324] close(3)                    = 0
[pid 27324] write(1, "executing program\n", 18executing program
) = 18
[pid 27324] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27324] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27324] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27324] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27324] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27324] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27324] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27324] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27324] exit_group(0)               = ?
[pid 27324] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27324, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27325
./strace-static-x86_64: Process 27325 attached
[pid 27325] set_robust_list(0x555555f76660, 24) = 0
[pid 27325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27325] setpgid(0, 0)               = 0
[pid 27325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27325] write(3, "1000", 4)         = 4
[pid 27325] close(3)                    = 0
[pid 27325] write(1, "executing program\n", 18executing program
) = 18
[pid 27325] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27325] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27325] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27325] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27325] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27325] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27325] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27325] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27325] exit_group(0)               = ?
[pid 27325] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27325, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27326 attached
, child_tidptr=0x555555f76650) = 27326
[pid 27326] set_robust_list(0x555555f76660, 24) = 0
[pid 27326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27326] setpgid(0, 0)               = 0
[pid 27326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27326] write(3, "1000", 4)         = 4
[pid 27326] close(3)                    = 0
[pid 27326] write(1, "executing program\n", 18executing program
) = 18
[pid 27326] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27326] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27326] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27326] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27326] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27326] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27326] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27326] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27326] exit_group(0)               = ?
[pid 27326] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27326, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27327 attached
, child_tidptr=0x555555f76650) = 27327
[pid 27327] set_robust_list(0x555555f76660, 24) = 0
[pid 27327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27327] setpgid(0, 0)               = 0
[pid 27327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27327] write(3, "1000", 4)         = 4
[pid 27327] close(3)                    = 0
[pid 27327] write(1, "executing program\n", 18executing program
) = 18
[pid 27327] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27327] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27327] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27327] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27327] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27327] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27327] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27327] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27327] exit_group(0)               = ?
[pid 27327] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27327, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27328
./strace-static-x86_64: Process 27328 attached
[pid 27328] set_robust_list(0x555555f76660, 24) = 0
[pid 27328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27328] setpgid(0, 0)               = 0
[pid 27328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27328] write(3, "1000", 4)         = 4
[pid 27328] close(3)                    = 0
[pid 27328] write(1, "executing program\n", 18executing program
) = 18
[pid 27328] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27328] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27328] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27328] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27328] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27328] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27328] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27328] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27328] exit_group(0)               = ?
[pid 27328] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27328, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27329 attached
, child_tidptr=0x555555f76650) = 27329
[pid 27329] set_robust_list(0x555555f76660, 24) = 0
[pid 27329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27329] setpgid(0, 0)               = 0
[pid 27329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27329] write(3, "1000", 4)         = 4
[pid 27329] close(3)                    = 0
[pid 27329] write(1, "executing program\n", 18executing program
) = 18
[pid 27329] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27329] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27329] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27329] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27329] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27329] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27329] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27329] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27329] exit_group(0)               = ?
[pid 27329] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27329, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27330 attached
, child_tidptr=0x555555f76650) = 27330
[pid 27330] set_robust_list(0x555555f76660, 24) = 0
[pid 27330] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27330] setpgid(0, 0)               = 0
[pid 27330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27330] write(3, "1000", 4)         = 4
[pid 27330] close(3)                    = 0
[pid 27330] write(1, "executing program\n", 18executing program
) = 18
[pid 27330] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27330] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27330] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27330] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27330] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27330] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27330] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27330] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27330] exit_group(0)               = ?
[pid 27330] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27330, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27331
./strace-static-x86_64: Process 27331 attached
[pid 27331] set_robust_list(0x555555f76660, 24) = 0
[pid 27331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27331] setpgid(0, 0)               = 0
[pid 27331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27331] write(3, "1000", 4)         = 4
[pid 27331] close(3executing program
)                    = 0
[pid 27331] write(1, "executing program\n", 18) = 18
[pid 27331] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27331] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27331] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27331] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27331] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27331] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27331] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27331] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27331] exit_group(0)               = ?
[pid 27331] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27331, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27332 attached
, child_tidptr=0x555555f76650) = 27332
[pid 27332] set_robust_list(0x555555f76660, 24) = 0
[pid 27332] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27332] setpgid(0, 0)               = 0
[pid 27332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27332] write(3, "1000", 4)         = 4
[pid 27332] close(3executing program
)                    = 0
[pid 27332] write(1, "executing program\n", 18) = 18
[pid 27332] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27332] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27332] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27332] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27332] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27332] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27332] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27332] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27332] exit_group(0)               = ?
[pid 27332] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27332, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27333 attached
, child_tidptr=0x555555f76650) = 27333
[pid 27333] set_robust_list(0x555555f76660, 24) = 0
[pid 27333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27333] setpgid(0, 0)               = 0
[pid 27333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27333] write(3, "1000", 4)         = 4
[pid 27333] close(3)                    = 0
[pid 27333] write(1, "executing program\n", 18) = 18
[pid 27333] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27333] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27333] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27333] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27333] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27333] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27333] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27333] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27333] exit_group(0)               = ?
[pid 27333] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27333, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27334
./strace-static-x86_64: Process 27334 attached
[pid 27334] set_robust_list(0x555555f76660, 24) = 0
[pid 27334] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27334] setpgid(0, 0)               = 0
[pid 27334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27334] write(3, "1000", 4)         = 4
[pid 27334] close(3)                    = 0
[pid 27334] write(1, "executing program\n", 18executing program
) = 18
[pid 27334] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27334] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27334] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27334] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27334] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27334] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27334] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27334] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27334] exit_group(0)               = ?
[pid 27334] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27334, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27335 attached
, child_tidptr=0x555555f76650) = 27335
[pid 27335] set_robust_list(0x555555f76660, 24) = 0
[pid 27335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27335] setpgid(0, 0)               = 0
[pid 27335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27335] write(3, "1000", 4)         = 4
[pid 27335] close(3)                    = 0
[pid 27335] write(1, "executing program\n", 18executing program
) = 18
[pid 27335] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27335] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27335] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27335] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27335] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27335] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27335] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27335] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27335] exit_group(0)               = ?
[pid 27335] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27335, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27336 attached
, child_tidptr=0x555555f76650) = 27336
[pid 27336] set_robust_list(0x555555f76660, 24) = 0
[pid 27336] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27336] setpgid(0, 0)               = 0
[pid 27336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27336] write(3, "1000", 4)         = 4
[pid 27336] close(3)                    = 0
[pid 27336] write(1, "executing program\n", 18) = 18
[pid 27336] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27336] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27336] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27336] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27336] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27336] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27336] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27336] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27336] exit_group(0)               = ?
[pid 27336] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27336, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27337 attached
, child_tidptr=0x555555f76650) = 27337
[pid 27337] set_robust_list(0x555555f76660, 24) = 0
[pid 27337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27337] setpgid(0, 0)               = 0
[pid 27337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27337] write(3, "1000", 4)         = 4
[pid 27337] close(3)                    = 0
[pid 27337] write(1, "executing program\n", 18executing program
) = 18
[pid 27337] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27337] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27337] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27337] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27337] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27337] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27337] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27337] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27337] exit_group(0)               = ?
[pid 27337] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27337, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27338 attached
, child_tidptr=0x555555f76650) = 27338
[pid 27338] set_robust_list(0x555555f76660, 24) = 0
[pid 27338] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27338] setpgid(0, 0)               = 0
[pid 27338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27338] write(3, "1000", 4)         = 4
[pid 27338] close(3executing program
)                    = 0
[pid 27338] write(1, "executing program\n", 18) = 18
[pid 27338] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27338] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27338] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27338] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27338] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27338] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27338] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27338] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27338] exit_group(0)               = ?
[pid 27338] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27338, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27339
./strace-static-x86_64: Process 27339 attached
[pid 27339] set_robust_list(0x555555f76660, 24) = 0
[pid 27339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27339] setpgid(0, 0)               = 0
[pid 27339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27339] write(3, "1000", 4)         = 4
[pid 27339] close(3)                    = 0
executing program
[pid 27339] write(1, "executing program\n", 18) = 18
[pid 27339] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27339] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27339] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27339] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27339] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27339] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27339] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27339] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27339] exit_group(0)               = ?
[pid 27339] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27339, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27340 attached
, child_tidptr=0x555555f76650) = 27340
[pid 27340] set_robust_list(0x555555f76660, 24) = 0
[pid 27340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27340] setpgid(0, 0)               = 0
[pid 27340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27340] write(3, "1000", 4)         = 4
[pid 27340] close(3)                    = 0
[pid 27340] write(1, "executing program\n", 18executing program
) = 18
[pid 27340] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27340] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27340] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27340] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27340] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27340] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27340] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27340] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27340] exit_group(0)               = ?
[pid 27340] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27340, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27341
./strace-static-x86_64: Process 27341 attached
[pid 27341] set_robust_list(0x555555f76660, 24) = 0
[pid 27341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27341] setpgid(0, 0)               = 0
[pid 27341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27341] write(3, "1000", 4executing program
)         = 4
[pid 27341] close(3)                    = 0
[pid 27341] write(1, "executing program\n", 18) = 18
[pid 27341] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27341] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27341] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27341] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27341] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27341] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27341] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27341] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27341] exit_group(0)               = ?
[pid 27341] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27341, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27342 attached
, child_tidptr=0x555555f76650) = 27342
[pid 27342] set_robust_list(0x555555f76660, 24) = 0
[pid 27342] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27342] setpgid(0, 0)               = 0
[pid 27342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27342] write(3, "1000", 4)         = 4
[pid 27342] close(3)                    = 0
[pid 27342] write(1, "executing program\n", 18executing program
) = 18
[pid 27342] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27342] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27342] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27342] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27342] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27342] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27342] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27342] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27342] exit_group(0)               = ?
[pid 27342] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27342, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27343 attached
, child_tidptr=0x555555f76650) = 27343
[pid 27343] set_robust_list(0x555555f76660, 24) = 0
[pid 27343] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27343] setpgid(0, 0)               = 0
[pid 27343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27343] write(3, "1000", 4)         = 4
[pid 27343] close(3)                    = 0
[pid 27343] write(1, "executing program\n", 18executing program
) = 18
[pid 27343] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27343] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27343] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27343] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27343] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27343] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27343] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27343] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27343] exit_group(0)               = ?
[pid 27343] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27343, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27344
./strace-static-x86_64: Process 27344 attached
[pid 27344] set_robust_list(0x555555f76660, 24) = 0
[pid 27344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27344] setpgid(0, 0)               = 0
[pid 27344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27344] write(3, "1000", 4)         = 4
[pid 27344] close(3)                    = 0
[pid 27344] write(1, "executing program\n", 18executing program
) = 18
[pid 27344] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27344] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27344] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27344] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27344] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27344] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27344] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27344] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27344] exit_group(0)               = ?
[pid 27344] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27344, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27345
./strace-static-x86_64: Process 27345 attached
[pid 27345] set_robust_list(0x555555f76660, 24) = 0
[pid 27345] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27345] setpgid(0, 0)               = 0
[pid 27345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27345] write(3, "1000", 4)         = 4
[pid 27345] close(3)                    = 0
[pid 27345] write(1, "executing program\n", 18executing program
) = 18
[pid 27345] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27345] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27345] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27345] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27345] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27345] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27345] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27345] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27345] exit_group(0)               = ?
[pid 27345] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27345, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27346 attached
, child_tidptr=0x555555f76650) = 27346
[pid 27346] set_robust_list(0x555555f76660, 24) = 0
[pid 27346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27346] setpgid(0, 0)               = 0
[pid 27346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27346] write(3, "1000", 4)         = 4
[pid 27346] close(3)                    = 0
[pid 27346] write(1, "executing program\n", 18executing program
) = 18
[pid 27346] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27346] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27346] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27346] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27346] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27346] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27346] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27346] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27346] exit_group(0)               = ?
[pid 27346] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27346, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27347 attached
, child_tidptr=0x555555f76650) = 27347
[pid 27347] set_robust_list(0x555555f76660, 24) = 0
[pid 27347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27347] setpgid(0, 0)               = 0
[pid 27347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27347] write(3, "1000", 4)         = 4
[pid 27347] close(3)                    = 0
[pid 27347] write(1, "executing program\n", 18executing program
) = 18
[pid 27347] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27347] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27347] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27347] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27347] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27347] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27347] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27347] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27347] exit_group(0)               = ?
[pid 27347] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27347, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27348 attached
, child_tidptr=0x555555f76650) = 27348
[pid 27348] set_robust_list(0x555555f76660, 24) = 0
[pid 27348] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27348] setpgid(0, 0)               = 0
[pid 27348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27348] write(3, "1000", 4)         = 4
[pid 27348] close(3executing program
)                    = 0
[pid 27348] write(1, "executing program\n", 18) = 18
[pid 27348] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27348] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27348] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27348] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27348] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27348] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27348] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27348] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27348] exit_group(0)               = ?
[pid 27348] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27348, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27349 attached
, child_tidptr=0x555555f76650) = 27349
[pid 27349] set_robust_list(0x555555f76660, 24) = 0
[pid 27349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27349] setpgid(0, 0)               = 0
[pid 27349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27349] write(3, "1000", 4)         = 4
[pid 27349] close(3)                    = 0
[pid 27349] write(1, "executing program\n", 18executing program
) = 18
[pid 27349] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27349] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27349] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27349] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27349] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27349] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27349] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27349] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27349] exit_group(0)               = ?
[pid 27349] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27349, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27350 attached
, child_tidptr=0x555555f76650) = 27350
[pid 27350] set_robust_list(0x555555f76660, 24) = 0
[pid 27350] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27350] setpgid(0, 0)               = 0
[pid 27350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27350] write(3, "1000", 4)         = 4
[pid 27350] close(3)                    = 0
[pid 27350] write(1, "executing program\n", 18executing program
) = 18
[pid 27350] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27350] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27350] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27350] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27350] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27350] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27350] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27350] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27350] exit_group(0)               = ?
[pid 27350] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27350, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27351
./strace-static-x86_64: Process 27351 attached
[pid 27351] set_robust_list(0x555555f76660, 24) = 0
[pid 27351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27351] setpgid(0, 0)               = 0
[pid 27351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27351] write(3, "1000", 4)         = 4
[pid 27351] close(3)                    = 0
executing program
[pid 27351] write(1, "executing program\n", 18) = 18
[pid 27351] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27351] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27351] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27351] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27351] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27351] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27351] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27351] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27351] exit_group(0)               = ?
[pid 27351] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27351, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27352
./strace-static-x86_64: Process 27352 attached
[pid 27352] set_robust_list(0x555555f76660, 24) = 0
[pid 27352] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27352] setpgid(0, 0)               = 0
[pid 27352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27352] write(3, "1000", 4)         = 4
[pid 27352] close(3)                    = 0
executing program
[pid 27352] write(1, "executing program\n", 18) = 18
[pid 27352] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27352] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27352] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27352] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27352] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27352] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27352] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27352] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27352] exit_group(0)               = ?
[pid 27352] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27352, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27353 attached
, child_tidptr=0x555555f76650) = 27353
[pid 27353] set_robust_list(0x555555f76660, 24) = 0
[pid 27353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27353] setpgid(0, 0)               = 0
[pid 27353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27353] write(3, "1000", 4)         = 4
[pid 27353] close(3)                    = 0
[pid 27353] write(1, "executing program\n", 18executing program
) = 18
[pid 27353] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27353] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27353] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27353] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27353] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27353] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27353] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27353] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27353] exit_group(0)               = ?
[pid 27353] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27353, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27354
./strace-static-x86_64: Process 27354 attached
[pid 27354] set_robust_list(0x555555f76660, 24) = 0
[pid 27354] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27354] setpgid(0, 0)               = 0
[pid 27354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27354] write(3, "1000", 4)         = 4
[pid 27354] close(3)                    = 0
[pid 27354] write(1, "executing program\n", 18executing program
) = 18
[pid 27354] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27354] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27354] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27354] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27354] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27354] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27354] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27354] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27354] exit_group(0)               = ?
[pid 27354] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27354, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27355 attached
, child_tidptr=0x555555f76650) = 27355
[pid 27355] set_robust_list(0x555555f76660, 24) = 0
[pid 27355] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27355] setpgid(0, 0)               = 0
[pid 27355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27355] write(3, "1000", 4)         = 4
[pid 27355] close(3)                    = 0
[pid 27355] write(1, "executing program\n", 18executing program
) = 18
[pid 27355] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27355] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27355] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27355] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27355] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27355] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27355] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27355] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27355] exit_group(0)               = ?
[pid 27355] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27355, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27356
./strace-static-x86_64: Process 27356 attached
[pid 27356] set_robust_list(0x555555f76660, 24) = 0
[pid 27356] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27356] setpgid(0, 0)               = 0
[pid 27356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27356] write(3, "1000", 4)         = 4
[pid 27356] close(3)                    = 0
executing program
[pid 27356] write(1, "executing program\n", 18) = 18
[pid 27356] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27356] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27356] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27356] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27356] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27356] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27356] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27356] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27356] exit_group(0)               = ?
[pid 27356] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27356, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27357
./strace-static-x86_64: Process 27357 attached
[pid 27357] set_robust_list(0x555555f76660, 24) = 0
[pid 27357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27357] setpgid(0, 0)               = 0
[pid 27357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27357] write(3, "1000", 4)         = 4
[pid 27357] close(3)                    = 0
executing program
[pid 27357] write(1, "executing program\n", 18) = 18
[pid 27357] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27357] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27357] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27357] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27357] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27357] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27357] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27357] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27357] exit_group(0)               = ?
[pid 27357] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27357, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27358
./strace-static-x86_64: Process 27358 attached
[pid 27358] set_robust_list(0x555555f76660, 24) = 0
[pid 27358] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27358] setpgid(0, 0)               = 0
[pid 27358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27358] write(3, "1000", 4)         = 4
[pid 27358] close(3)                    = 0
[pid 27358] write(1, "executing program\n", 18executing program
) = 18
[pid 27358] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27358] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27358] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27358] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27358] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27358] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27358] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27358] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27358] exit_group(0)               = ?
[pid 27358] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27358, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27359 attached
, child_tidptr=0x555555f76650) = 27359
[pid 27359] set_robust_list(0x555555f76660, 24) = 0
[pid 27359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27359] setpgid(0, 0)               = 0
[pid 27359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27359] write(3, "1000", 4)         = 4
[pid 27359] close(3)                    = 0
[pid 27359] write(1, "executing program\n", 18executing program
) = 18
[pid 27359] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27359] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27359] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27359] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27359] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27359] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27359] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27359] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27359] exit_group(0)               = ?
[pid 27359] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27359, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27360
./strace-static-x86_64: Process 27360 attached
[pid 27360] set_robust_list(0x555555f76660, 24) = 0
[pid 27360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27360] setpgid(0, 0)               = 0
[pid 27360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27360] write(3, "1000", 4)         = 4
[pid 27360] close(3)                    = 0
[pid 27360] write(1, "executing program\n", 18) = 18
[pid 27360] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27360] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27360] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27360] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27360] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27360] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27360] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27360] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27360] exit_group(0)               = ?
[pid 27360] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27360, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27361 attached
, child_tidptr=0x555555f76650) = 27361
[pid 27361] set_robust_list(0x555555f76660, 24) = 0
[pid 27361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27361] setpgid(0, 0)               = 0
[pid 27361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27361] write(3, "1000", 4)         = 4
[pid 27361] close(3)                    = 0
[pid 27361] write(1, "executing program\n", 18) = 18
[pid 27361] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27361] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27361] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27361] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27361] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27361] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27361] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27361] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27361] exit_group(0)               = ?
[pid 27361] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27361, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27362 attached
, child_tidptr=0x555555f76650) = 27362
[pid 27362] set_robust_list(0x555555f76660, 24) = 0
[pid 27362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27362] setpgid(0, 0)               = 0
[pid 27362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27362] write(3, "1000", 4)         = 4
[pid 27362] close(3executing program
)                    = 0
[pid 27362] write(1, "executing program\n", 18) = 18
[pid 27362] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27362] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27362] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27362] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27362] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27362] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27362] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27362] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27362] exit_group(0)               = ?
[pid 27362] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27362, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27363
./strace-static-x86_64: Process 27363 attached
[pid 27363] set_robust_list(0x555555f76660, 24) = 0
[pid 27363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27363] setpgid(0, 0)               = 0
[pid 27363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27363] write(3, "1000", 4)         = 4
[pid 27363] close(3executing program
)                    = 0
[pid 27363] write(1, "executing program\n", 18) = 18
[pid 27363] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27363] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27363] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27363] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27363] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27363] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27363] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27363] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27363] exit_group(0)               = ?
[pid 27363] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27363, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27364 attached
, child_tidptr=0x555555f76650) = 27364
[pid 27364] set_robust_list(0x555555f76660, 24) = 0
[pid 27364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27364] setpgid(0, 0)               = 0
[pid 27364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27364] write(3, "1000", 4)         = 4
[pid 27364] close(3)                    = 0
executing program
[pid 27364] write(1, "executing program\n", 18) = 18
[pid 27364] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27364] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27364] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27364] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27364] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27364] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27364] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27364] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27364] exit_group(0)               = ?
[pid 27364] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27364, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27365
./strace-static-x86_64: Process 27365 attached
[pid 27365] set_robust_list(0x555555f76660, 24) = 0
[pid 27365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27365] setpgid(0, 0)               = 0
[pid 27365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27365] write(3, "1000", 4)         = 4
[pid 27365] close(3)                    = 0
executing program
[pid 27365] write(1, "executing program\n", 18) = 18
[pid 27365] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27365] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27365] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27365] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27365] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27365] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27365] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27365] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27365] exit_group(0)               = ?
[pid 27365] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27365, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27366 attached
, child_tidptr=0x555555f76650) = 27366
[pid 27366] set_robust_list(0x555555f76660, 24) = 0
[pid 27366] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27366] setpgid(0, 0)               = 0
[pid 27366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27366] write(3, "1000", 4)         = 4
[pid 27366] close(3)                    = 0
[pid 27366] write(1, "executing program\n", 18executing program
) = 18
[pid 27366] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27366] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27366] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27366] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27366] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27366] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27366] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27366] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27366] exit_group(0)               = ?
[pid 27366] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27366, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27367 attached
, child_tidptr=0x555555f76650) = 27367
[pid 27367] set_robust_list(0x555555f76660, 24) = 0
[pid 27367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27367] setpgid(0, 0)               = 0
[pid 27367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27367] write(3, "1000", 4)         = 4
[pid 27367] close(3)                    = 0
[pid 27367] write(1, "executing program\n", 18executing program
) = 18
[pid 27367] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27367] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27367] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27367] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27367] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27367] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27367] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27367] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27367] exit_group(0)               = ?
[pid 27367] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27367, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27368
./strace-static-x86_64: Process 27368 attached
[pid 27368] set_robust_list(0x555555f76660, 24) = 0
[pid 27368] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27368] setpgid(0, 0)               = 0
[pid 27368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27368] write(3, "1000", 4)         = 4
[pid 27368] close(3)                    = 0
[pid 27368] write(1, "executing program\n", 18executing program
) = 18
[pid 27368] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27368] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27368] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27368] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27368] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27368] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27368] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27368] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27368] exit_group(0)               = ?
[pid 27368] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27368, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27369 attached
, child_tidptr=0x555555f76650) = 27369
[pid 27369] set_robust_list(0x555555f76660, 24) = 0
[pid 27369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27369] setpgid(0, 0)               = 0
[pid 27369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27369] write(3, "1000", 4)         = 4
[pid 27369] close(3)                    = 0
[pid 27369] write(1, "executing program\n", 18executing program
) = 18
[pid 27369] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27369] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27369] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27369] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27369] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27369] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27369] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27369] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27369] exit_group(0)               = ?
[pid 27369] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27369, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27370
./strace-static-x86_64: Process 27370 attached
[pid 27370] set_robust_list(0x555555f76660, 24) = 0
[pid 27370] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27370] setpgid(0, 0)               = 0
[pid 27370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27370] write(3, "1000", 4)         = 4
[pid 27370] close(3)                    = 0
[pid 27370] write(1, "executing program\n", 18executing program
) = 18
[pid 27370] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27370] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27370] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27370] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27370] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27370] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27370] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27370] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27370] exit_group(0)               = ?
[pid 27370] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27370, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27371 attached
, child_tidptr=0x555555f76650) = 27371
[pid 27371] set_robust_list(0x555555f76660, 24) = 0
[pid 27371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27371] setpgid(0, 0)               = 0
[pid 27371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27371] write(3, "1000", 4)         = 4
[pid 27371] close(3)                    = 0
[pid 27371] write(1, "executing program\n", 18executing program
) = 18
[pid 27371] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27371] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27371] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27371] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27371] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27371] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27371] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27371] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27371] exit_group(0)               = ?
[pid 27371] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27371, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27372 attached
, child_tidptr=0x555555f76650) = 27372
[pid 27372] set_robust_list(0x555555f76660, 24) = 0
[pid 27372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27372] setpgid(0, 0)               = 0
[pid 27372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27372] write(3, "1000", 4)         = 4
[pid 27372] close(3)                    = 0
executing program
[pid 27372] write(1, "executing program\n", 18) = 18
[pid 27372] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27372] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27372] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27372] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27372] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27372] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27372] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27372] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27372] exit_group(0)               = ?
[pid 27372] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27372, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27373 attached
, child_tidptr=0x555555f76650) = 27373
[pid 27373] set_robust_list(0x555555f76660, 24) = 0
[pid 27373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27373] setpgid(0, 0)               = 0
[pid 27373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27373] write(3, "1000", 4)         = 4
[pid 27373] close(3)                    = 0
executing program
[pid 27373] write(1, "executing program\n", 18) = 18
[pid 27373] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27373] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27373] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27373] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27373] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27373] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27373] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27373] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27373] exit_group(0)               = ?
[pid 27373] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27373, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27374
./strace-static-x86_64: Process 27374 attached
[pid 27374] set_robust_list(0x555555f76660, 24) = 0
[pid 27374] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27374] setpgid(0, 0)               = 0
[pid 27374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27374] write(3, "1000", 4)         = 4
[pid 27374] close(3executing program
)                    = 0
[pid 27374] write(1, "executing program\n", 18) = 18
[pid 27374] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27374] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27374] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27374] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27374] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27374] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27374] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27374] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27374] exit_group(0)               = ?
[pid 27374] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27374, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27375 attached
, child_tidptr=0x555555f76650) = 27375
[pid 27375] set_robust_list(0x555555f76660, 24) = 0
[pid 27375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27375] setpgid(0, 0)               = 0
[pid 27375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27375] write(3, "1000", 4)         = 4
[pid 27375] close(3)                    = 0
executing program
[pid 27375] write(1, "executing program\n", 18) = 18
[pid 27375] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27375] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27375] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27375] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27375] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27375] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27375] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27375] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27375] exit_group(0)               = ?
[pid 27375] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27375, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27376
./strace-static-x86_64: Process 27376 attached
[pid 27376] set_robust_list(0x555555f76660, 24) = 0
[pid 27376] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27376] setpgid(0, 0)               = 0
[pid 27376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27376] write(3, "1000", 4)         = 4
[pid 27376] close(3executing program
)                    = 0
[pid 27376] write(1, "executing program\n", 18) = 18
[pid 27376] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27376] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27376] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27376] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27376] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27376] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27376] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27376] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27376] exit_group(0)               = ?
[pid 27376] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27376, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27377 attached
, child_tidptr=0x555555f76650) = 27377
[pid 27377] set_robust_list(0x555555f76660, 24) = 0
[pid 27377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27377] setpgid(0, 0)               = 0
[pid 27377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27377] write(3, "1000", 4)         = 4
[pid 27377] close(3)                    = 0
[pid 27377] write(1, "executing program\n", 18executing program
) = 18
[pid 27377] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27377] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27377] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27377] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27377] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27377] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27377] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27377] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27377] exit_group(0)               = ?
[pid 27377] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27377, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27378 attached
, child_tidptr=0x555555f76650) = 27378
[pid 27378] set_robust_list(0x555555f76660, 24) = 0
[pid 27378] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27378] setpgid(0, 0)               = 0
[pid 27378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27378] write(3, "1000", 4)         = 4
[pid 27378] close(3)                    = 0
[pid 27378] write(1, "executing program\n", 18executing program
) = 18
[pid 27378] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27378] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27378] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27378] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27378] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27378] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27378] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27378] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27378] exit_group(0)               = ?
[pid 27378] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27378, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27379 attached
, child_tidptr=0x555555f76650) = 27379
[pid 27379] set_robust_list(0x555555f76660, 24) = 0
[pid 27379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27379] setpgid(0, 0)               = 0
[pid 27379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27379] write(3, "1000", 4)         = 4
[pid 27379] close(3executing program
)                    = 0
[pid 27379] write(1, "executing program\n", 18) = 18
[pid 27379] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27379] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27379] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27379] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27379] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27379] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27379] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27379] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27379] exit_group(0)               = ?
[pid 27379] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27379, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27380 attached
, child_tidptr=0x555555f76650) = 27380
[pid 27380] set_robust_list(0x555555f76660, 24) = 0
[pid 27380] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27380] setpgid(0, 0)               = 0
[pid 27380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27380] write(3, "1000", 4)         = 4
[pid 27380] close(3)                    = 0
executing program
[pid 27380] write(1, "executing program\n", 18) = 18
[pid 27380] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27380] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27380] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27380] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27380] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27380] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27380] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27380] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27380] exit_group(0)               = ?
[pid 27380] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27380, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27381
./strace-static-x86_64: Process 27381 attached
[pid 27381] set_robust_list(0x555555f76660, 24) = 0
[pid 27381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27381] setpgid(0, 0)               = 0
[pid 27381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27381] write(3, "1000", 4)         = 4
[pid 27381] close(3)                    = 0
executing program
[pid 27381] write(1, "executing program\n", 18) = 18
[pid 27381] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27381] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27381] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27381] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27381] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27381] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27381] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27381] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27381] exit_group(0)               = ?
[pid 27381] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27381, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27382
./strace-static-x86_64: Process 27382 attached
[pid 27382] set_robust_list(0x555555f76660, 24) = 0
[pid 27382] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27382] setpgid(0, 0)               = 0
[pid 27382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27382] write(3, "1000", 4)         = 4
[pid 27382] close(3executing program
)                    = 0
[pid 27382] write(1, "executing program\n", 18) = 18
[pid 27382] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27382] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27382] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27382] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27382] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27382] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27382] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27382] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27382] exit_group(0)               = ?
[pid 27382] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27382, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27383
./strace-static-x86_64: Process 27383 attached
[pid 27383] set_robust_list(0x555555f76660, 24) = 0
[pid 27383] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27383] setpgid(0, 0)               = 0
[pid 27383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27383] write(3, "1000", 4)         = 4
[pid 27383] close(3)                    = 0
[pid 27383] write(1, "executing program\n", 18executing program
) = 18
[pid 27383] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27383] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27383] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27383] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27383] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27383] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27383] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27383] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27383] exit_group(0)               = ?
[pid 27383] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27383, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27384 attached
, child_tidptr=0x555555f76650) = 27384
[pid 27384] set_robust_list(0x555555f76660, 24) = 0
[pid 27384] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27384] setpgid(0, 0)               = 0
[pid 27384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27384] write(3, "1000", 4)         = 4
[pid 27384] close(3)                    = 0
[pid 27384] write(1, "executing program\n", 18executing program
) = 18
[pid 27384] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27384] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27384] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27384] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27384] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27384] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27384] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27384] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27384] exit_group(0)               = ?
[pid 27384] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27384, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27385 attached
, child_tidptr=0x555555f76650) = 27385
[pid 27385] set_robust_list(0x555555f76660, 24) = 0
[pid 27385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27385] setpgid(0, 0)               = 0
[pid 27385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27385] write(3, "1000", 4)         = 4
[pid 27385] close(3)                    = 0
[pid 27385] write(1, "executing program\n", 18executing program
) = 18
[pid 27385] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27385] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27385] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27385] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27385] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27385] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27385] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27385] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27385] exit_group(0)               = ?
[pid 27385] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27385, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27386 attached
, child_tidptr=0x555555f76650) = 27386
[pid 27386] set_robust_list(0x555555f76660, 24) = 0
[pid 27386] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27386] setpgid(0, 0)               = 0
[pid 27386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27386] write(3, "1000", 4)         = 4
[pid 27386] close(3)                    = 0
[pid 27386] write(1, "executing program\n", 18executing program
) = 18
[pid 27386] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27386] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27386] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27386] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27386] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27386] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27386] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27386] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27386] exit_group(0)               = ?
[pid 27386] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27386, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27387
./strace-static-x86_64: Process 27387 attached
[pid 27387] set_robust_list(0x555555f76660, 24) = 0
[pid 27387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27387] setpgid(0, 0)               = 0
[pid 27387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27387] write(3, "1000", 4)         = 4
[pid 27387] close(3)                    = 0
executing program
[pid 27387] write(1, "executing program\n", 18) = 18
[pid 27387] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27387] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27387] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27387] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27387] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27387] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27387] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27387] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27387] exit_group(0)               = ?
[pid 27387] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27387, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27388 attached
, child_tidptr=0x555555f76650) = 27388
[pid 27388] set_robust_list(0x555555f76660, 24) = 0
[pid 27388] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27388] setpgid(0, 0)               = 0
[pid 27388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27388] write(3, "1000", 4)         = 4
[pid 27388] close(3)                    = 0
[pid 27388] write(1, "executing program\n", 18executing program
) = 18
[pid 27388] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27388] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27388] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27388] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27388] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27388] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27388] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27388] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27388] exit_group(0)               = ?
[pid 27388] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27388, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27389
./strace-static-x86_64: Process 27389 attached
[pid 27389] set_robust_list(0x555555f76660, 24) = 0
[pid 27389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27389] setpgid(0, 0)               = 0
[pid 27389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27389] write(3, "1000", 4)         = 4
[pid 27389] close(3)                    = 0
executing program
[pid 27389] write(1, "executing program\n", 18) = 18
[pid 27389] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27389] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27389] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27389] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27389] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27389] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27389] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27389] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27389] exit_group(0)               = ?
[pid 27389] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27389, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27390 attached
, child_tidptr=0x555555f76650) = 27390
[pid 27390] set_robust_list(0x555555f76660, 24) = 0
[pid 27390] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27390] setpgid(0, 0)               = 0
[pid 27390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27390] write(3, "1000", 4)         = 4
[pid 27390] close(3)                    = 0
[pid 27390] write(1, "executing program\n", 18executing program
) = 18
[pid 27390] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27390] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27390] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27390] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27390] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27390] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27390] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27390] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27390] exit_group(0)               = ?
[pid 27390] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27390, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27392 attached
, child_tidptr=0x555555f76650) = 27392
[pid 27392] set_robust_list(0x555555f76660, 24) = 0
[pid 27392] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27392] setpgid(0, 0)               = 0
[pid 27392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27392] write(3, "1000", 4)         = 4
[pid 27392] close(3)                    = 0
[pid 27392] write(1, "executing program\n", 18executing program
) = 18
[pid 27392] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27392] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27392] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27392] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27392] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27392] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27392] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27392] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27392] exit_group(0)               = ?
[pid 27392] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27392, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27393
./strace-static-x86_64: Process 27393 attached
[pid 27393] set_robust_list(0x555555f76660, 24) = 0
[pid 27393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27393] setpgid(0, 0)               = 0
[pid 27393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27393] write(3, "1000", 4)         = 4
[pid 27393] close(3)                    = 0
[pid 27393] write(1, "executing program\n", 18executing program
) = 18
[pid 27393] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27393] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27393] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27393] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27393] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27393] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27393] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27393] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27393] exit_group(0)               = ?
[pid 27393] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27393, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27394
./strace-static-x86_64: Process 27394 attached
[pid 27394] set_robust_list(0x555555f76660, 24) = 0
[pid 27394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27394] setpgid(0, 0)               = 0
[pid 27394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27394] write(3, "1000", 4)         = 4
[pid 27394] close(3executing program
)                    = 0
[pid 27394] write(1, "executing program\n", 18) = 18
[pid 27394] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27394] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27394] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27394] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27394] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27394] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27394] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27394] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27394] exit_group(0)               = ?
[pid 27394] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27394, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27395
./strace-static-x86_64: Process 27395 attached
[pid 27395] set_robust_list(0x555555f76660, 24) = 0
[pid 27395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27395] setpgid(0, 0)               = 0
[pid 27395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27395] write(3, "1000", 4)         = 4
[pid 27395] close(3)                    = 0
executing program
[pid 27395] write(1, "executing program\n", 18) = 18
[pid 27395] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27395] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27395] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27395] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27395] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27395] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27395] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27395] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27395] exit_group(0)               = ?
[pid 27395] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27395, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27396
./strace-static-x86_64: Process 27396 attached
[pid 27396] set_robust_list(0x555555f76660, 24) = 0
[pid 27396] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27396] setpgid(0, 0)               = 0
[pid 27396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27396] write(3, "1000", 4)         = 4
[pid 27396] close(3)                    = 0
[pid 27396] write(1, "executing program\n", 18executing program
) = 18
[pid 27396] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27396] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27396] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27396] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27396] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27396] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27396] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27396] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27396] exit_group(0)               = ?
[pid 27396] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27396, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27397 attached
 <unfinished ...>
[pid 27397] set_robust_list(0x555555f76660, 24) = 0
[pid 27397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27397] setpgid(0, 0 <unfinished ...>
[pid   357] <... clone resumed>, child_tidptr=0x555555f76650) = 27397
[pid 27397] <... setpgid resumed>)      = 0
[pid 27397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
executing program
[pid 27397] write(3, "1000", 4)         = 4
[pid 27397] close(3)                    = 0
[pid 27397] write(1, "executing program\n", 18) = 18
[pid 27397] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27397] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27397] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27397] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27397] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27397] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27397] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27397] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27397] exit_group(0)               = ?
[pid 27397] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27397, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27398
./strace-static-x86_64: Process 27398 attached
[pid 27398] set_robust_list(0x555555f76660, 24) = 0
[pid 27398] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27398] setpgid(0, 0)               = 0
[pid 27398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27398] write(3, "1000", 4)         = 4
[pid 27398] close(3)                    = 0
executing program
[pid 27398] write(1, "executing program\n", 18) = 18
[pid 27398] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27398] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27398] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27398] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27398] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27398] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27398] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27398] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27398] exit_group(0)               = ?
[pid 27398] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27398, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27399 attached
, child_tidptr=0x555555f76650) = 27399
[pid 27399] set_robust_list(0x555555f76660, 24) = 0
[pid 27399] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27399] setpgid(0, 0)               = 0
[pid 27399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27399] write(3, "1000", 4)         = 4
[pid 27399] close(3)                    = 0
[pid 27399] write(1, "executing program\n", 18) = 18
[pid 27399] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27399] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27399] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27399] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27399] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27399] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27399] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27399] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27399] exit_group(0)               = ?
[pid 27399] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27399, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27400 attached
, child_tidptr=0x555555f76650) = 27400
[pid 27400] set_robust_list(0x555555f76660, 24) = 0
[pid 27400] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27400] setpgid(0, 0)               = 0
[pid 27400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27400] write(3, "1000", 4)         = 4
[pid 27400] close(3)                    = 0
executing program
[pid 27400] write(1, "executing program\n", 18) = 18
[pid 27400] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27400] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27400] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27400] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27400] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27400] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27400] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27400] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27400] exit_group(0)               = ?
[pid 27400] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27400, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>executing program
) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27401
./strace-static-x86_64: Process 27401 attached
[pid 27401] set_robust_list(0x555555f76660, 24) = 0
[pid 27401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27401] setpgid(0, 0)               = 0
[pid 27401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27401] write(3, "1000", 4)         = 4
[pid 27401] close(3)                    = 0
[pid 27401] write(1, "executing program\n", 18) = 18
[pid 27401] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27401] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27401] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27401] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27401] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27401] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27401] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27401] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27401] exit_group(0)               = ?
[pid 27401] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27401, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27402
./strace-static-x86_64: Process 27402 attached
[pid 27402] set_robust_list(0x555555f76660, 24) = 0
[pid 27402] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27402] setpgid(0, 0)               = 0
[pid 27402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27402] write(3, "1000", 4)         = 4
[pid 27402] close(3)                    = 0
executing program
[pid 27402] write(1, "executing program\n", 18) = 18
[pid 27402] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27402] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27402] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27402] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27402] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27402] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27402] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27402] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27402] exit_group(0)               = ?
[pid 27402] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27402, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27403
./strace-static-x86_64: Process 27403 attached
[pid 27403] set_robust_list(0x555555f76660, 24) = 0
[pid 27403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27403] setpgid(0, 0)               = 0
[pid 27403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27403] write(3, "1000", 4)         = 4
[pid 27403] close(3)                    = 0
[pid 27403] write(1, "executing program\n", 18executing program
) = 18
[pid 27403] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27403] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27403] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27403] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27403] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27403] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27403] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27403] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27403] exit_group(0)               = ?
[pid 27403] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27403, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27404 attached
, child_tidptr=0x555555f76650) = 27404
[pid 27404] set_robust_list(0x555555f76660, 24) = 0
[pid 27404] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27404] setpgid(0, 0)               = 0
[pid 27404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27404] write(3, "1000", 4)         = 4
[pid 27404] close(3executing program
)                    = 0
[pid 27404] write(1, "executing program\n", 18) = 18
[pid 27404] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27404] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27404] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27404] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27404] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27404] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27404] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27404] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27404] exit_group(0)               = ?
[pid 27404] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27404, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27405
./strace-static-x86_64: Process 27405 attached
[pid 27405] set_robust_list(0x555555f76660, 24) = 0
[pid 27405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27405] setpgid(0, 0)               = 0
[pid 27405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27405] write(3, "1000", 4)         = 4
[pid 27405] close(3)                    = 0
executing program
[pid 27405] write(1, "executing program\n", 18) = 18
[pid 27405] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27405] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27405] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27405] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27405] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27405] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27405] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27405] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27405] exit_group(0)               = ?
[pid 27405] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27405, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27406 attached
, child_tidptr=0x555555f76650) = 27406
[pid 27406] set_robust_list(0x555555f76660, 24) = 0
[pid 27406] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27406] setpgid(0, 0)               = 0
[pid 27406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27406] write(3, "1000", 4)         = 4
[pid 27406] close(3)                    = 0
[pid 27406] write(1, "executing program\n", 18executing program
) = 18
[pid 27406] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27406] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27406] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27406] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27406] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27406] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27406] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27406] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27406] exit_group(0)               = ?
[pid 27406] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27406, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27407 attached
, child_tidptr=0x555555f76650) = 27407
[pid 27407] set_robust_list(0x555555f76660, 24) = 0
[pid 27407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27407] setpgid(0, 0)               = 0
[pid 27407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27407] write(3, "1000", 4)         = 4
[pid 27407] close(3)                    = 0
[pid 27407] write(1, "executing program\n", 18executing program
) = 18
[pid 27407] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27407] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27407] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27407] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27407] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27407] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27407] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27407] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27407] exit_group(0)               = ?
[pid 27407] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27407, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27408 attached
, child_tidptr=0x555555f76650) = 27408
[pid 27408] set_robust_list(0x555555f76660, 24) = 0
[pid 27408] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27408] setpgid(0, 0)               = 0
[pid 27408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27408] write(3, "1000", 4)         = 4
[pid 27408] close(3)                    = 0
[pid 27408] write(1, "executing program\n", 18executing program
) = 18
[pid 27408] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27408] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27408] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27408] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27408] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27408] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27408] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27408] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27408] exit_group(0)               = ?
[pid 27408] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27408, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27409
./strace-static-x86_64: Process 27409 attached
[pid 27409] set_robust_list(0x555555f76660, 24) = 0
[pid 27409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27409] setpgid(0, 0)               = 0
[pid 27409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27409] write(3, "1000", 4)         = 4
executing program
[pid 27409] close(3)                    = 0
[pid 27409] write(1, "executing program\n", 18) = 18
[pid 27409] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27409] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27409] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27409] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27409] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27409] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27409] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27409] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27409] exit_group(0)               = ?
[pid 27409] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27409, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27410
./strace-static-x86_64: Process 27410 attached
[pid 27410] set_robust_list(0x555555f76660, 24) = 0
[pid 27410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27410] setpgid(0, 0)               = 0
[pid 27410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27410] write(3, "1000", 4)         = 4
executing program
[pid 27410] close(3)                    = 0
[pid 27410] write(1, "executing program\n", 18) = 18
[pid 27410] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27410] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27410] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27410] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27410] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27410] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27410] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27410] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27410] exit_group(0)               = ?
[pid 27410] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27410, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27411 attached
, child_tidptr=0x555555f76650) = 27411
[pid 27411] set_robust_list(0x555555f76660, 24) = 0
[pid 27411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27411] setpgid(0, 0)               = 0
[pid 27411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27411] write(3, "1000", 4)         = 4
[pid 27411] close(3)                    = 0
[pid 27411] write(1, "executing program\n", 18executing program
) = 18
[pid 27411] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27411] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27411] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27411] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27411] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27411] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27411] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27411] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27411] exit_group(0)               = ?
[pid 27411] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27411, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27412 attached
, child_tidptr=0x555555f76650) = 27412
[pid 27412] set_robust_list(0x555555f76660, 24) = 0
[pid 27412] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27412] setpgid(0, 0)               = 0
[pid 27412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27412] write(3, "1000", 4)         = 4
[pid 27412] close(3)                    = 0
[pid 27412] write(1, "executing program\n", 18executing program
) = 18
[pid 27412] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27412] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27412] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27412] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27412] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27412] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27412] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27412] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27412] exit_group(0)               = ?
[pid 27412] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27412, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27413
./strace-static-x86_64: Process 27413 attached
[pid 27413] set_robust_list(0x555555f76660, 24) = 0
[pid 27413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27413] setpgid(0, 0)               = 0
[pid 27413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27413] write(3, "1000", 4)         = 4
[pid 27413] close(3)                    = 0
[pid 27413] write(1, "executing program\n", 18executing program
) = 18
[pid 27413] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27413] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27413] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27413] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27413] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27413] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27413] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27413] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27413] exit_group(0)               = ?
[pid 27413] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27413, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27414 attached
, child_tidptr=0x555555f76650) = 27414
[pid 27414] set_robust_list(0x555555f76660, 24) = 0
[pid 27414] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27414] setpgid(0, 0)               = 0
[pid 27414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27414] write(3, "1000", 4)         = 4
[pid 27414] close(3)                    = 0
[pid 27414] write(1, "executing program\n", 18executing program
) = 18
[pid 27414] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27414] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27414] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27414] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27414] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27414] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27414] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27414] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27414] exit_group(0)               = ?
[pid 27414] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27414, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27415 attached
, child_tidptr=0x555555f76650) = 27415
[pid 27415] set_robust_list(0x555555f76660, 24) = 0
[pid 27415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27415] setpgid(0, 0)               = 0
[pid 27415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27415] write(3, "1000", 4)         = 4
[pid 27415] close(3)                    = 0
[pid 27415] write(1, "executing program\n", 18) = 18
[pid 27415] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27415] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27415] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27415] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27415] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27415] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27415] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27415] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27415] exit_group(0)               = ?
[pid 27415] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27415, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27416 attached
, child_tidptr=0x555555f76650) = 27416
[pid 27416] set_robust_list(0x555555f76660, 24) = 0
[pid 27416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27416] setpgid(0, 0)               = 0
[pid 27416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27416] write(3, "1000", 4)         = 4
[pid 27416] close(3)                    = 0
[pid 27416] write(1, "executing program\n", 18executing program
) = 18
[pid 27416] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27416] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27416] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27416] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27416] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27416] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27416] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27416] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27416] exit_group(0)               = ?
[pid 27416] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27416, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27417 attached
, child_tidptr=0x555555f76650) = 27417
[pid 27417] set_robust_list(0x555555f76660, 24) = 0
[pid 27417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27417] setpgid(0, 0)               = 0
[pid 27417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27417] write(3, "1000", 4)         = 4
[pid 27417] close(3)                    = 0
executing program
[pid 27417] write(1, "executing program\n", 18) = 18
[pid 27417] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27417] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27417] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27417] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27417] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27417] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27417] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27417] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27417] exit_group(0)               = ?
[pid 27417] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27417, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27418 attached
, child_tidptr=0x555555f76650) = 27418
[pid 27418] set_robust_list(0x555555f76660, 24) = 0
[pid 27418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27418] setpgid(0, 0)               = 0
[pid 27418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27418] write(3, "1000", 4)         = 4
[pid 27418] close(3)                    = 0
executing program
[pid 27418] write(1, "executing program\n", 18) = 18
[pid 27418] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27418] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27418] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27418] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27418] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27418] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27418] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27418] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27418] exit_group(0)               = ?
[pid 27418] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27418, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27419
./strace-static-x86_64: Process 27419 attached
[pid 27419] set_robust_list(0x555555f76660, 24) = 0
[pid 27419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27419] setpgid(0, 0)               = 0
[pid 27419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27419] write(3, "1000", 4)         = 4
[pid 27419] close(3executing program
)                    = 0
[pid 27419] write(1, "executing program\n", 18) = 18
[pid 27419] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27419] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27419] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27419] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27419] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27419] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27419] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27419] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27419] exit_group(0)               = ?
[pid 27419] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27419, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27420 attached
, child_tidptr=0x555555f76650) = 27420
[pid 27420] set_robust_list(0x555555f76660, 24) = 0
[pid 27420] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27420] setpgid(0, 0)               = 0
[pid 27420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27420] write(3, "1000", 4)         = 4
[pid 27420] close(3)                    = 0
[pid 27420] write(1, "executing program\n", 18executing program
) = 18
[pid 27420] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27420] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27420] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27420] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27420] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27420] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27420] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27420] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27420] exit_group(0)               = ?
[pid 27420] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27420, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27421
./strace-static-x86_64: Process 27421 attached
[pid 27421] set_robust_list(0x555555f76660, 24) = 0
[pid 27421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27421] setpgid(0, 0)               = 0
[pid 27421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27421] write(3, "1000", 4)         = 4
[pid 27421] close(3)                    = 0
executing program
[pid 27421] write(1, "executing program\n", 18) = 18
[pid 27421] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27421] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27421] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27421] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27421] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27421] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27421] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27421] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27421] exit_group(0)               = ?
[pid 27421] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27421, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27422
./strace-static-x86_64: Process 27422 attached
[pid 27422] set_robust_list(0x555555f76660, 24) = 0
[pid 27422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27422] setpgid(0, 0)               = 0
[pid 27422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27422] write(3, "1000", 4)         = 4
[pid 27422] close(3)                    = 0
[pid 27422] write(1, "executing program\n", 18executing program
) = 18
[pid 27422] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27422] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27422] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27422] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27422] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27422] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27422] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27422] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27422] exit_group(0)               = ?
[pid 27422] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27422, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27423
./strace-static-x86_64: Process 27423 attached
[pid 27423] set_robust_list(0x555555f76660, 24) = 0
[pid 27423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27423] setpgid(0, 0)               = 0
[pid 27423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27423] write(3, "1000", 4)         = 4
[pid 27423] close(3executing program
)                    = 0
[pid 27423] write(1, "executing program\n", 18) = 18
[pid 27423] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27423] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27423] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27423] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27423] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27423] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27423] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27423] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27423] exit_group(0)               = ?
[pid 27423] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27423, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27424 attached
, child_tidptr=0x555555f76650) = 27424
[pid 27424] set_robust_list(0x555555f76660, 24) = 0
[pid 27424] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27424] setpgid(0, 0)               = 0
[pid 27424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27424] write(3, "1000", 4)         = 4
[pid 27424] close(3)                    = 0
[pid 27424] write(1, "executing program\n", 18executing program
) = 18
[pid 27424] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27424] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27424] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27424] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27424] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27424] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27424] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27424] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27424] exit_group(0)               = ?
[pid 27424] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27424, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27425 attached
, child_tidptr=0x555555f76650) = 27425
[pid 27425] set_robust_list(0x555555f76660, 24) = 0
[pid 27425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27425] setpgid(0, 0)               = 0
[pid 27425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
executing program
[pid 27425] write(3, "1000", 4)         = 4
[pid 27425] close(3)                    = 0
[pid 27425] write(1, "executing program\n", 18) = 18
[pid 27425] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27425] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27425] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27425] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27425] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27425] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27425] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27425] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27425] exit_group(0)               = ?
[pid 27425] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27425, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27426 attached
, child_tidptr=0x555555f76650) = 27426
[pid 27426] set_robust_list(0x555555f76660, 24) = 0
[pid 27426] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27426] setpgid(0, 0)               = 0
[pid 27426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27426] write(3, "1000", 4executing program
)         = 4
[pid 27426] close(3)                    = 0
[pid 27426] write(1, "executing program\n", 18) = 18
[pid 27426] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27426] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27426] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27426] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27426] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27426] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27426] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27426] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27426] exit_group(0)               = ?
[pid 27426] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27426, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27427 attached
, child_tidptr=0x555555f76650) = 27427
[pid 27427] set_robust_list(0x555555f76660, 24) = 0
[pid 27427] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27427] setpgid(0, 0)               = 0
[pid 27427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27427] write(3, "1000", 4)         = 4
[pid 27427] close(3)                    = 0
[pid 27427] write(1, "executing program\n", 18executing program
) = 18
[pid 27427] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27427] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27427] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27427] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27427] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27427] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27427] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27427] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27427] exit_group(0)               = ?
[pid 27427] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27427, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27428 attached
, child_tidptr=0x555555f76650) = 27428
[pid 27428] set_robust_list(0x555555f76660, 24) = 0
[pid 27428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27428] setpgid(0, 0)               = 0
[pid 27428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27428] write(3, "1000", 4)         = 4
[pid 27428] close(3)                    = 0
executing program
[pid 27428] write(1, "executing program\n", 18) = 18
[pid 27428] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27428] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27428] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27428] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27428] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27428] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27428] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27428] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27428] exit_group(0)               = ?
[pid 27428] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27428, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27429
./strace-static-x86_64: Process 27429 attached
[pid 27429] set_robust_list(0x555555f76660, 24) = 0
[pid 27429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27429] setpgid(0, 0)               = 0
[pid 27429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27429] write(3, "1000", 4)         = 4
[pid 27429] close(3)                    = 0
executing program
[pid 27429] write(1, "executing program\n", 18) = 18
[pid 27429] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27429] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27429] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27429] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27429] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27429] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27429] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27429] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27429] exit_group(0)               = ?
[pid 27429] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27429, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27430 attached
, child_tidptr=0x555555f76650) = 27430
[pid 27430] set_robust_list(0x555555f76660, 24) = 0
[pid 27430] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27430] setpgid(0, 0)               = 0
[pid 27430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27430] write(3, "1000", 4)         = 4
[pid 27430] close(3)                    = 0
[pid 27430] write(1, "executing program\n", 18executing program
) = 18
[pid 27430] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27430] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27430] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27430] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27430] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27430] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27430] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27430] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27430] exit_group(0)               = ?
[pid 27430] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27430, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27431 attached
, child_tidptr=0x555555f76650) = 27431
[pid 27431] set_robust_list(0x555555f76660, 24) = 0
[pid 27431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27431] setpgid(0, 0)               = 0
[pid 27431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27431] write(3, "1000", 4)         = 4
[pid 27431] close(3)                    = 0
[pid 27431] write(1, "executing program\n", 18executing program
) = 18
[pid 27431] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27431] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27431] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27431] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27431] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27431] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27431] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27431] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27431] exit_group(0)               = ?
[pid 27431] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27431, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27432 attached
, child_tidptr=0x555555f76650) = 27432
[pid 27432] set_robust_list(0x555555f76660, 24) = 0
[pid 27432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27432] setpgid(0, 0)               = 0
[pid 27432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27432] write(3, "1000", 4)         = 4
[pid 27432] close(3executing program
)                    = 0
[pid 27432] write(1, "executing program\n", 18) = 18
[pid 27432] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27432] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27432] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27432] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27432] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27432] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27432] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27432] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27432] exit_group(0)               = ?
[pid 27432] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27432, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27433
./strace-static-x86_64: Process 27433 attached
[pid 27433] set_robust_list(0x555555f76660, 24) = 0
[pid 27433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27433] setpgid(0, 0)               = 0
[pid 27433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27433] write(3, "1000", 4)         = 4
[pid 27433] close(3)                    = 0
executing program
[pid 27433] write(1, "executing program\n", 18) = 18
[pid 27433] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27433] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27433] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27433] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27433] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27433] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27433] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27433] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27433] exit_group(0)               = ?
[pid 27433] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27433, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27434 attached
, child_tidptr=0x555555f76650) = 27434
[pid 27434] set_robust_list(0x555555f76660, 24) = 0
[pid 27434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27434] setpgid(0, 0)               = 0
[pid 27434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27434] write(3, "1000", 4)         = 4
[pid 27434] close(3executing program
)                    = 0
[pid 27434] write(1, "executing program\n", 18) = 18
[pid 27434] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27434] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27434] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27434] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27434] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27434] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27434] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27434] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27434] exit_group(0)               = ?
[pid 27434] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27434, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27435 attached
, child_tidptr=0x555555f76650) = 27435
[pid 27435] set_robust_list(0x555555f76660, 24) = 0
[pid 27435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27435] setpgid(0, 0)               = 0
[pid 27435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27435] write(3, "1000", 4)         = 4
[pid 27435] close(3executing program
)                    = 0
[pid 27435] write(1, "executing program\n", 18) = 18
[pid 27435] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27435] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27435] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27435] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27435] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27435] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27435] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27435] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27435] exit_group(0)               = ?
[pid 27435] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27435, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27436 attached
, child_tidptr=0x555555f76650) = 27436
[pid 27436] set_robust_list(0x555555f76660, 24) = 0
[pid 27436] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27436] setpgid(0, 0)               = 0
[pid 27436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27436] write(3, "1000", 4)         = 4
[pid 27436] close(3)                    = 0
[pid 27436] write(1, "executing program\n", 18executing program
) = 18
[pid 27436] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27436] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27436] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27436] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27436] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27436] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27436] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27436] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27436] exit_group(0)               = ?
[pid 27436] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27436, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27437
./strace-static-x86_64: Process 27437 attached
[pid 27437] set_robust_list(0x555555f76660, 24) = 0
[pid 27437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27437] setpgid(0, 0)               = 0
[pid 27437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27437] write(3, "1000", 4)         = 4
[pid 27437] close(3)                    = 0
executing program
[pid 27437] write(1, "executing program\n", 18) = 18
[pid 27437] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27437] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27437] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27437] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27437] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27437] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27437] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27437] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27437] exit_group(0)               = ?
[pid 27437] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27437, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27438 attached
, child_tidptr=0x555555f76650) = 27438
[pid 27438] set_robust_list(0x555555f76660, 24) = 0
[pid 27438] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27438] setpgid(0, 0)               = 0
[pid 27438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27438] write(3, "1000", 4)         = 4
[pid 27438] close(3)                    = 0
executing program
[pid 27438] write(1, "executing program\n", 18) = 18
[pid 27438] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27438] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27438] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27438] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27438] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27438] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27438] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27438] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27438] exit_group(0)               = ?
[pid 27438] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27438, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27439 attached
, child_tidptr=0x555555f76650) = 27439
[pid 27439] set_robust_list(0x555555f76660, 24) = 0
[pid 27439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27439] setpgid(0, 0)               = 0
[pid 27439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27439] write(3, "1000", 4)         = 4
[pid 27439] close(3)                    = 0
[pid 27439] write(1, "executing program\n", 18executing program
) = 18
[pid 27439] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27439] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27439] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27439] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27439] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27439] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27439] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27439] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27439] exit_group(0)               = ?
[pid 27439] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27439, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27440 attached
, child_tidptr=0x555555f76650) = 27440
[pid 27440] set_robust_list(0x555555f76660, 24) = 0
[pid 27440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27440] setpgid(0, 0)               = 0
[pid 27440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27440] write(3, "1000", 4)         = 4
[pid 27440] close(3)                    = 0
[pid 27440] write(1, "executing program\n", 18) = 18
[pid 27440] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27440] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27440] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27440] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27440] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27440] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27440] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27440] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27440] exit_group(0)               = ?
[pid 27440] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27440, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27441 attached
, child_tidptr=0x555555f76650) = 27441
[pid 27441] set_robust_list(0x555555f76660, 24) = 0
[pid 27441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27441] setpgid(0, 0)               = 0
[pid 27441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27441] write(3, "1000", 4)         = 4
[pid 27441] close(3)                    = 0
[pid 27441] write(1, "executing program\n", 18executing program
) = 18
[pid 27441] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27441] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27441] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27441] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27441] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27441] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27441] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27441] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27441] exit_group(0)               = ?
[pid 27441] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27441, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27442 attached
, child_tidptr=0x555555f76650) = 27442
[pid 27442] set_robust_list(0x555555f76660, 24) = 0
[pid 27442] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27442] setpgid(0, 0)               = 0
[pid 27442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27442] write(3, "1000", 4)         = 4
[pid 27442] close(3)                    = 0
[pid 27442] write(1, "executing program\n", 18executing program
) = 18
[pid 27442] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27442] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27442] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27442] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27442] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27442] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27442] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27442] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27442] exit_group(0)               = ?
[pid 27442] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27442, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27443 attached
, child_tidptr=0x555555f76650) = 27443
[pid 27443] set_robust_list(0x555555f76660, 24) = 0
[pid 27443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27443] setpgid(0, 0)               = 0
[pid 27443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27443] write(3, "1000", 4)         = 4
[pid 27443] close(3)                    = 0
executing program
[pid 27443] write(1, "executing program\n", 18) = 18
[pid 27443] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27443] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27443] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27443] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27443] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27443] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27443] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27443] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27443] exit_group(0)               = ?
[pid 27443] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27443, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27444 attached
, child_tidptr=0x555555f76650) = 27444
[pid 27444] set_robust_list(0x555555f76660, 24) = 0
[pid 27444] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27444] setpgid(0, 0)               = 0
[pid 27444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27444] write(3, "1000", 4)         = 4
[pid 27444] close(3)                    = 0
[pid 27444] write(1, "executing program\n", 18executing program
) = 18
[pid 27444] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27444] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27444] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27444] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27444] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27444] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27444] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27444] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27444] exit_group(0)               = ?
[pid 27444] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27444, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27445
./strace-static-x86_64: Process 27445 attached
[pid 27445] set_robust_list(0x555555f76660, 24) = 0
[pid 27445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27445] setpgid(0, 0)               = 0
[pid 27445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27445] write(3, "1000", 4)         = 4
[pid 27445] close(3)                    = 0
[pid 27445] write(1, "executing program\n", 18executing program
) = 18
[pid 27445] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27445] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27445] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27445] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27445] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27445] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27445] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27445] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27445] exit_group(0)               = ?
[pid 27445] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27445, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27446 attached
, child_tidptr=0x555555f76650) = 27446
[pid 27446] set_robust_list(0x555555f76660, 24) = 0
[pid 27446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27446] setpgid(0, 0)               = 0
[pid 27446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27446] write(3, "1000", 4)         = 4
[pid 27446] close(3)                    = 0
[pid 27446] write(1, "executing program\n", 18executing program
) = 18
[pid 27446] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27446] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27446] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27446] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27446] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27446] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27446] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27446] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27446] exit_group(0)               = ?
[pid 27446] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27446, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27447
./strace-static-x86_64: Process 27447 attached
[pid 27447] set_robust_list(0x555555f76660, 24) = 0
[pid 27447] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27447] setpgid(0, 0)               = 0
[pid 27447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27447] write(3, "1000", 4)         = 4
[pid 27447] close(3executing program
)                    = 0
[pid 27447] write(1, "executing program\n", 18) = 18
[pid 27447] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27447] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27447] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27447] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27447] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27447] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27447] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27447] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27447] exit_group(0)               = ?
[pid 27447] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27447, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27448 attached
, child_tidptr=0x555555f76650) = 27448
[pid 27448] set_robust_list(0x555555f76660, 24) = 0
[pid 27448] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27448] setpgid(0, 0)               = 0
[pid 27448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27448] write(3, "1000", 4)         = 4
[pid 27448] close(3)                    = 0
[pid 27448] write(1, "executing program\n", 18executing program
) = 18
[pid 27448] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27448] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27448] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27448] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27448] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27448] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27448] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27448] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27448] exit_group(0)               = ?
[pid 27448] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27448, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27449 attached
, child_tidptr=0x555555f76650) = 27449
[pid 27449] set_robust_list(0x555555f76660, 24) = 0
[pid 27449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27449] setpgid(0, 0)               = 0
[pid 27449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27449] write(3, "1000", 4)         = 4
[pid 27449] close(3)                    = 0
[pid 27449] write(1, "executing program\n", 18) = 18
[pid 27449] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27449] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27449] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27449] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27449] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27449] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27449] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27449] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27449] exit_group(0)               = ?
[pid 27449] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27449, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27450 attached
, child_tidptr=0x555555f76650) = 27450
[pid 27450] set_robust_list(0x555555f76660, 24) = 0
[pid 27450] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27450] setpgid(0, 0)               = 0
[pid 27450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27450] write(3, "1000", 4)         = 4
[pid 27450] close(3)                    = 0
[pid 27450] write(1, "executing program\n", 18executing program
) = 18
[pid 27450] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27450] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27450] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27450] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27450] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27450] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27450] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27450] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27450] exit_group(0)               = ?
[pid 27450] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27450, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27451
./strace-static-x86_64: Process 27451 attached
[pid 27451] set_robust_list(0x555555f76660, 24) = 0
[pid 27451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27451] setpgid(0, 0)               = 0
[pid 27451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27451] write(3, "1000", 4)         = 4
[pid 27451] close(3)                    = 0
executing program
[pid 27451] write(1, "executing program\n", 18) = 18
[pid 27451] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27451] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27451] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27451] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27451] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27451] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27451] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27451] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27451] exit_group(0)               = ?
[pid 27451] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27451, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27452
./strace-static-x86_64: Process 27452 attached
[pid 27452] set_robust_list(0x555555f76660, 24) = 0
[pid 27452] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27452] setpgid(0, 0)               = 0
[pid 27452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27452] write(3, "1000", 4)         = 4
[pid 27452] close(3)                    = 0
[pid 27452] write(1, "executing program\n", 18executing program
) = 18
[pid 27452] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27452] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27452] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27452] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27452] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27452] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27452] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27452] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27452] exit_group(0)               = ?
[pid 27452] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27452, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27453
./strace-static-x86_64: Process 27453 attached
[pid 27453] set_robust_list(0x555555f76660, 24) = 0
[pid 27453] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27453] setpgid(0, 0)               = 0
[pid 27453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27453] write(3, "1000", 4executing program
)         = 4
[pid 27453] close(3)                    = 0
[pid 27453] write(1, "executing program\n", 18) = 18
[pid 27453] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27453] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27453] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27453] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27453] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27453] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27453] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27453] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27453] exit_group(0)               = ?
[pid 27453] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27453, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27454 attached
, child_tidptr=0x555555f76650) = 27454
[pid 27454] set_robust_list(0x555555f76660, 24) = 0
[pid 27454] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27454] setpgid(0, 0)               = 0
[pid 27454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27454] write(3, "1000", 4)         = 4
[pid 27454] close(3)                    = 0
[pid 27454] write(1, "executing program\n", 18executing program
) = 18
[pid 27454] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27454] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27454] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27454] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27454] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27454] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27454] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27454] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27454] exit_group(0)               = ?
[pid 27454] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27454, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27455
./strace-static-x86_64: Process 27455 attached
[pid 27455] set_robust_list(0x555555f76660, 24) = 0
[pid 27455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27455] setpgid(0, 0)               = 0
[pid 27455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27455] write(3, "1000", 4)         = 4
executing program
[pid 27455] close(3)                    = 0
[pid 27455] write(1, "executing program\n", 18) = 18
[pid 27455] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27455] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27455] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27455] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27455] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27455] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27455] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27455] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27455] exit_group(0)               = ?
[pid 27455] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27455, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27456 attached
, child_tidptr=0x555555f76650) = 27456
[pid 27456] set_robust_list(0x555555f76660, 24) = 0
[pid 27456] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27456] setpgid(0, 0)               = 0
[pid 27456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27456] write(3, "1000", 4)         = 4
[pid 27456] close(3)                    = 0
[pid 27456] write(1, "executing program\n", 18executing program
) = 18
[pid 27456] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27456] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27456] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27456] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27456] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27456] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27456] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27456] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27456] exit_group(0)               = ?
[pid 27456] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27456, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27457
./strace-static-x86_64: Process 27457 attached
[pid 27457] set_robust_list(0x555555f76660, 24) = 0
[pid 27457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27457] setpgid(0, 0)               = 0
[pid 27457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27457] write(3, "1000", 4)         = 4
[pid 27457] close(3)                    = 0
executing program
[pid 27457] write(1, "executing program\n", 18) = 18
[pid 27457] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27457] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27457] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27457] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27457] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27457] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27457] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27457] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27457] exit_group(0)               = ?
[pid 27457] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27457, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27458 attached
, child_tidptr=0x555555f76650) = 27458
[pid 27458] set_robust_list(0x555555f76660, 24) = 0
[pid 27458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27458] setpgid(0, 0)               = 0
[pid 27458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27458] write(3, "1000", 4)         = 4
[pid 27458] close(3)                    = 0
[pid 27458] write(1, "executing program\n", 18executing program
) = 18
[pid 27458] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27458] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27458] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27458] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27458] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27458] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27458] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27458] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27458] exit_group(0)               = ?
[pid 27458] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27458, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27459 attached
, child_tidptr=0x555555f76650) = 27459
[pid 27459] set_robust_list(0x555555f76660, 24) = 0
[pid 27459] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27459] setpgid(0, 0)               = 0
[pid 27459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27459] write(3, "1000", 4)         = 4
[pid 27459] close(3executing program
)                    = 0
[pid 27459] write(1, "executing program\n", 18) = 18
[pid 27459] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27459] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27459] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27459] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27459] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27459] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27459] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27459] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27459] exit_group(0)               = ?
[pid 27459] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27459, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27460 attached
, child_tidptr=0x555555f76650) = 27460
[pid 27460] set_robust_list(0x555555f76660, 24) = 0
[pid 27460] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27460] setpgid(0, 0)               = 0
[pid 27460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27460] write(3, "1000", 4)         = 4
[pid 27460] close(3)                    = 0
executing program
[pid 27460] write(1, "executing program\n", 18) = 18
[pid 27460] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27460] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27460] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27460] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27460] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27460] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27460] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27460] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27460] exit_group(0)               = ?
[pid 27460] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27460, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>executing program
) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27461 attached
, child_tidptr=0x555555f76650) = 27461
[pid 27461] set_robust_list(0x555555f76660, 24) = 0
[pid 27461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27461] setpgid(0, 0)               = 0
[pid 27461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27461] write(3, "1000", 4)         = 4
[pid 27461] close(3)                    = 0
[pid 27461] write(1, "executing program\n", 18) = 18
[pid 27461] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27461] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27461] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27461] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27461] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27461] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27461] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27461] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27461] exit_group(0)               = ?
[pid 27461] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27461, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27462 attached
, child_tidptr=0x555555f76650) = 27462
[pid 27462] set_robust_list(0x555555f76660, 24executing program
) = 0
[pid 27462] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27462] setpgid(0, 0)               = 0
[pid 27462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27462] write(3, "1000", 4)         = 4
[pid 27462] close(3)                    = 0
[pid 27462] write(1, "executing program\n", 18) = 18
[pid 27462] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27462] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27462] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27462] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27462] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27462] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27462] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27462] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27462] exit_group(0)               = ?
[pid 27462] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27462, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27463
./strace-static-x86_64: Process 27463 attached
[pid 27463] set_robust_list(0x555555f76660, 24) = 0
[pid 27463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27463] setpgid(0, 0)               = 0
[pid 27463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27463] write(3, "1000", 4)         = 4
[pid 27463] close(3)                    = 0
[pid 27463] write(1, "executing program\n", 18executing program
) = 18
[pid 27463] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27463] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27463] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27463] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27463] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27463] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27463] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27463] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27463] exit_group(0)               = ?
[pid 27463] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27463, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27464
./strace-static-x86_64: Process 27464 attached
[pid 27464] set_robust_list(0x555555f76660, 24) = 0
[pid 27464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27464] setpgid(0, 0)               = 0
[pid 27464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27464] write(3, "1000", 4)         = 4
[pid 27464] close(3)                    = 0
[pid 27464] write(1, "executing program\n", 18executing program
) = 18
[pid 27464] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27464] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27464] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27464] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27464] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27464] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27464] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27464] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27464] exit_group(0)               = ?
[pid 27464] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27464, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27465 attached
, child_tidptr=0x555555f76650) = 27465
[pid 27465] set_robust_list(0x555555f76660, 24) = 0
[pid 27465] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27465] setpgid(0, 0)               = 0
[pid 27465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27465] write(3, "1000", 4)         = 4
[pid 27465] close(3)                    = 0
[pid 27465] write(1, "executing program\n", 18executing program
) = 18
[pid 27465] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27465] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27465] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27465] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27465] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27465] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27465] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27465] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27465] exit_group(0)               = ?
[pid 27465] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27465, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27466
./strace-static-x86_64: Process 27466 attached
[pid 27466] set_robust_list(0x555555f76660, 24) = 0
[pid 27466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27466] setpgid(0, 0)               = 0
[pid 27466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27466] write(3, "1000", 4)         = 4
[pid 27466] close(3)                    = 0
executing program
[pid 27466] write(1, "executing program\n", 18) = 18
[pid 27466] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27466] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27466] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27466] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27466] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27466] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27466] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27466] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27466] exit_group(0)               = ?
[pid 27466] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27466, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27467
./strace-static-x86_64: Process 27467 attached
[pid 27467] set_robust_list(0x555555f76660, 24) = 0
[pid 27467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27467] setpgid(0, 0)               = 0
[pid 27467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27467] write(3, "1000", 4)         = 4
[pid 27467] close(3)                    = 0
[pid 27467] write(1, "executing program\n", 18executing program
) = 18
[pid 27467] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27467] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27467] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27467] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27467] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27467] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27467] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27467] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27467] exit_group(0)               = ?
[pid 27467] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27467, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27468 attached
, child_tidptr=0x555555f76650) = 27468
[pid 27468] set_robust_list(0x555555f76660, 24) = 0
[pid 27468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27468] setpgid(0, 0)               = 0
[pid 27468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27468] write(3, "1000", 4)         = 4
[pid 27468] close(3)                    = 0
executing program
[pid 27468] write(1, "executing program\n", 18) = 18
[pid 27468] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27468] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27468] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27468] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27468] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27468] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27468] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27468] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27468] exit_group(0)               = ?
[pid 27468] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27468, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27469 attached
, child_tidptr=0x555555f76650) = 27469
[pid 27469] set_robust_list(0x555555f76660, 24) = 0
[pid 27469] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27469] setpgid(0, 0)               = 0
[pid 27469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27469] write(3, "1000", 4)         = 4
[pid 27469] close(3)                    = 0
executing program
[pid 27469] write(1, "executing program\n", 18) = 18
[pid 27469] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27469] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27469] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27469] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27469] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27469] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27469] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27469] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27469] exit_group(0)               = ?
[pid 27469] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27469, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27470
./strace-static-x86_64: Process 27470 attached
[pid 27470] set_robust_list(0x555555f76660, 24) = 0
[pid 27470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27470] setpgid(0, 0)               = 0
[pid 27470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27470] write(3, "1000", 4)         = 4
[pid 27470] close(3)                    = 0
executing program
[pid 27470] write(1, "executing program\n", 18) = 18
[pid 27470] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27470] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27470] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27470] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27470] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27470] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27470] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27470] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27470] exit_group(0)               = ?
[pid 27470] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27470, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27471 attached
, child_tidptr=0x555555f76650) = 27471
[pid 27471] set_robust_list(0x555555f76660, 24) = 0
[pid 27471] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27471] setpgid(0, 0)               = 0
[pid 27471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27471] write(3, "1000", 4)         = 4
[pid 27471] close(3)                    = 0
[pid 27471] write(1, "executing program\n", 18executing program
) = 18
[pid 27471] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27471] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27471] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27471] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27471] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27471] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27471] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27471] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27471] exit_group(0)               = ?
[pid 27471] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27471, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27472 attached
, child_tidptr=0x555555f76650) = 27472
[pid 27472] set_robust_list(0x555555f76660, 24) = 0
[pid 27472] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27472] setpgid(0, 0)               = 0
[pid 27472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27472] write(3, "1000", 4)         = 4
[pid 27472] close(3)                    = 0
executing program
[pid 27472] write(1, "executing program\n", 18) = 18
[pid 27472] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27472] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27472] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27472] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27472] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27472] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27472] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27472] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27472] exit_group(0)               = ?
[pid 27472] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27472, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27473
./strace-static-x86_64: Process 27473 attached
[pid 27473] set_robust_list(0x555555f76660, 24) = 0
[pid 27473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27473] setpgid(0, 0)               = 0
[pid 27473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27473] write(3, "1000", 4executing program
)         = 4
[pid 27473] close(3)                    = 0
[pid 27473] write(1, "executing program\n", 18) = 18
[pid 27473] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27473] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27473] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27473] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27473] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27473] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27473] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27473] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27473] exit_group(0)               = ?
[pid 27473] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27473, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27474 attached
, child_tidptr=0x555555f76650) = 27474
[pid 27474] set_robust_list(0x555555f76660, 24) = 0
[pid 27474] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27474] setpgid(0, 0)               = 0
[pid 27474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
executing program
[pid 27474] write(3, "1000", 4)         = 4
[pid 27474] close(3)                    = 0
[pid 27474] write(1, "executing program\n", 18) = 18
[pid 27474] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27474] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27474] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27474] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27474] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27474] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27474] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27474] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27474] exit_group(0)               = ?
[pid 27474] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27474, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27475 attached
, child_tidptr=0x555555f76650) = 27475
[pid 27475] set_robust_list(0x555555f76660, 24) = 0
[pid 27475] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27475] setpgid(0, 0)               = 0
[pid 27475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27475] write(3, "1000", 4)         = 4
[pid 27475] close(3)                    = 0
[pid 27475] write(1, "executing program\n", 18executing program
) = 18
[pid 27475] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27475] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27475] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27475] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27475] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27475] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27475] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27475] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27475] exit_group(0)               = ?
[pid 27475] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27475, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27476 attached
, child_tidptr=0x555555f76650) = 27476
[pid 27476] set_robust_list(0x555555f76660, 24) = 0
[pid 27476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27476] setpgid(0, 0)               = 0
[pid 27476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27476] write(3, "1000", 4)         = 4
[pid 27476] close(3)                    = 0
executing program
[pid 27476] write(1, "executing program\n", 18) = 18
[pid 27476] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27476] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27476] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27476] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27476] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27476] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27476] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27476] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27476] exit_group(0)               = ?
[pid 27476] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27476, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27477
./strace-static-x86_64: Process 27477 attached
[pid 27477] set_robust_list(0x555555f76660, 24) = 0
[pid 27477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27477] setpgid(0, 0)               = 0
[pid 27477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27477] write(3, "1000", 4)         = 4
[pid 27477] close(3)                    = 0
[pid 27477] write(1, "executing program\n", 18executing program
) = 18
[pid 27477] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27477] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27477] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27477] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27477] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27477] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27477] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27477] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27477] exit_group(0)               = ?
[pid 27477] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27477, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27478 attached
, child_tidptr=0x555555f76650) = 27478
[pid 27478] set_robust_list(0x555555f76660, 24) = 0
[pid 27478] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27478] setpgid(0, 0)               = 0
[pid 27478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27478] write(3, "1000", 4)         = 4
[pid 27478] close(3executing program
)                    = 0
[pid 27478] write(1, "executing program\n", 18) = 18
[pid 27478] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27478] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27478] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27478] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27478] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27478] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27478] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27478] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27478] exit_group(0)               = ?
[pid 27478] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27478, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27479 attached
, child_tidptr=0x555555f76650) = 27479
[pid 27479] set_robust_list(0x555555f76660, 24) = 0
[pid 27479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27479] setpgid(0, 0)               = 0
[pid 27479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27479] write(3, "1000", 4)         = 4
[pid 27479] close(3)                    = 0
executing program
[pid 27479] write(1, "executing program\n", 18) = 18
[pid 27479] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27479] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27479] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27479] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27479] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27479] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27479] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27479] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27479] exit_group(0)               = ?
[pid 27479] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27479, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27480
./strace-static-x86_64: Process 27480 attached
[pid 27480] set_robust_list(0x555555f76660, 24) = 0
[pid 27480] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27480] setpgid(0, 0)               = 0
[pid 27480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27480] write(3, "1000", 4)         = 4
[pid 27480] close(3executing program
)                    = 0
[pid 27480] write(1, "executing program\n", 18) = 18
[pid 27480] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27480] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27480] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27480] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27480] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27480] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27480] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27480] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27480] exit_group(0)               = ?
[pid 27480] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27480, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27482
./strace-static-x86_64: Process 27482 attached
[pid 27482] set_robust_list(0x555555f76660, 24) = 0
[pid 27482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27482] setpgid(0, 0)               = 0
[pid 27482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27482] write(3, "1000", 4)         = 4
[pid 27482] close(3)                    = 0
[pid 27482] write(1, "executing program\n", 18executing program
) = 18
[pid 27482] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27482] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27482] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27482] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27482] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27482] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27482] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27482] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27482] exit_group(0)               = ?
[pid 27482] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27482, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27483 attached
, child_tidptr=0x555555f76650) = 27483
[pid 27483] set_robust_list(0x555555f76660, 24) = 0
[pid 27483] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27483] setpgid(0, 0)               = 0
[pid 27483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27483] write(3, "1000", 4)         = 4
[pid 27483] close(3)                    = 0
[pid 27483] write(1, "executing program\n", 18executing program
) = 18
[pid 27483] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27483] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27483] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27483] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27483] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27483] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27483] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27483] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27483] exit_group(0)               = ?
[pid 27483] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27483, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27484 attached
, child_tidptr=0x555555f76650) = 27484
[pid 27484] set_robust_list(0x555555f76660, 24) = 0
[pid 27484] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27484] setpgid(0, 0)               = 0
[pid 27484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27484] write(3, "1000", 4)         = 4
[pid 27484] close(3)                    = 0
[pid 27484] write(1, "executing program\n", 18executing program
) = 18
[pid 27484] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27484] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27484] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27484] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27484] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27484] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27484] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27484] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27484] exit_group(0)               = ?
[pid 27484] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27484, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27485 attached
, child_tidptr=0x555555f76650) = 27485
[pid 27485] set_robust_list(0x555555f76660, 24) = 0
[pid 27485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27485] setpgid(0, 0)               = 0
[pid 27485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27485] write(3, "1000", 4)         = 4
[pid 27485] close(3)                    = 0
[pid 27485] write(1, "executing program\n", 18executing program
) = 18
[pid 27485] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27485] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27485] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27485] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27485] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27485] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27485] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27485] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27485] exit_group(0)               = ?
[pid 27485] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27485, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27486 attached
, child_tidptr=0x555555f76650) = 27486
[pid 27486] set_robust_list(0x555555f76660, 24) = 0
[pid 27486] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27486] setpgid(0, 0)               = 0
[pid 27486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27486] write(3, "1000", 4)         = 4
[pid 27486] close(3)                    = 0
[pid 27486] write(1, "executing program\n", 18executing program
) = 18
[pid 27486] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27486] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27486] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27486] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27486] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27486] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27486] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27486] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27486] exit_group(0)               = ?
[pid 27486] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27486, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27487 attached
, child_tidptr=0x555555f76650) = 27487
[pid 27487] set_robust_list(0x555555f76660, 24) = 0
[pid 27487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27487] setpgid(0, 0)               = 0
[pid 27487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27487] write(3, "1000", 4)         = 4
[pid 27487] close(3)                    = 0
[pid 27487] write(1, "executing program\n", 18) = 18
[pid 27487] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27487] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27487] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27487] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27487] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27487] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27487] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27487] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27487] exit_group(0)               = ?
[pid 27487] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27487, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27488 attached
, child_tidptr=0x555555f76650) = 27488
[pid 27488] set_robust_list(0x555555f76660, 24) = 0
[pid 27488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27488] setpgid(0, 0)               = 0
[pid 27488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27488] write(3, "1000", 4)         = 4
executing program
[pid 27488] close(3)                    = 0
[pid 27488] write(1, "executing program\n", 18) = 18
[pid 27488] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27488] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27488] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27488] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27488] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27488] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27488] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27488] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27488] exit_group(0)               = ?
[pid 27488] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27488, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27489
./strace-static-x86_64: Process 27489 attached
[pid 27489] set_robust_list(0x555555f76660, 24) = 0
[pid 27489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27489] setpgid(0, 0)               = 0
[pid 27489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27489] write(3, "1000", 4)         = 4
[pid 27489] close(3)                    = 0
executing program
[pid 27489] write(1, "executing program\n", 18) = 18
[pid 27489] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27489] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27489] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27489] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27489] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27489] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27489] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27489] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27489] exit_group(0)               = ?
[pid 27489] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27489, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27490 attached
, child_tidptr=0x555555f76650) = 27490
[pid 27490] set_robust_list(0x555555f76660, 24) = 0
[pid 27490] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27490] setpgid(0, 0)               = 0
[pid 27490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27490] write(3, "1000", 4)         = 4
[pid 27490] close(3executing program
)                    = 0
[pid 27490] write(1, "executing program\n", 18) = 18
[pid 27490] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27490] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27490] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27490] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27490] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27490] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27490] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27490] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27490] exit_group(0)               = ?
[pid 27490] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27490, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27491 attached
, child_tidptr=0x555555f76650) = 27491
[pid 27491] set_robust_list(0x555555f76660, 24) = 0
[pid 27491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27491] setpgid(0, 0)               = 0
[pid 27491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27491] write(3, "1000", 4)         = 4
[pid 27491] close(3)                    = 0
[pid 27491] write(1, "executing program\n", 18executing program
) = 18
[pid 27491] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27491] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27491] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27491] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27491] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27491] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27491] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27491] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27491] exit_group(0)               = ?
[pid 27491] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27491, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27492
./strace-static-x86_64: Process 27492 attached
[pid 27492] set_robust_list(0x555555f76660, 24) = 0
[pid 27492] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27492] setpgid(0, 0)               = 0
[pid 27492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27492] write(3, "1000", 4)         = 4
[pid 27492] close(3)                    = 0
[pid 27492] write(1, "executing program\n", 18executing program
) = 18
[pid 27492] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27492] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27492] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27492] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27492] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27492] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27492] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27492] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27492] exit_group(0)               = ?
[pid 27492] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27492, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27493 attached
, child_tidptr=0x555555f76650) = 27493
[pid 27493] set_robust_list(0x555555f76660, 24) = 0
[pid 27493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27493] setpgid(0, 0)               = 0
[pid 27493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27493] write(3, "1000", 4)         = 4
[pid 27493] close(3)                    = 0
[pid 27493] write(1, "executing program\n", 18executing program
) = 18
[pid 27493] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27493] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27493] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27493] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27493] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27493] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27493] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27493] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27493] exit_group(0)               = ?
[pid 27493] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27493, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27494 attached
, child_tidptr=0x555555f76650) = 27494
[pid 27494] set_robust_list(0x555555f76660, 24) = 0
[pid 27494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27494] setpgid(0, 0)               = 0
[pid 27494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27494] write(3, "1000", 4)         = 4
[pid 27494] close(3)                    = 0
[pid 27494] write(1, "executing program\n", 18executing program
) = 18
[pid 27494] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27494] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27494] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27494] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27494] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27494] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27494] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27494] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27494] exit_group(0)               = ?
[pid 27494] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27494, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27495 attached
, child_tidptr=0x555555f76650) = 27495
[pid 27495] set_robust_list(0x555555f76660, 24) = 0
[pid 27495] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27495] setpgid(0, 0)               = 0
[pid 27495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27495] write(3, "1000", 4)         = 4
[pid 27495] close(3)                    = 0
[pid 27495] write(1, "executing program\n", 18) = 18
[pid 27495] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27495] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27495] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27495] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27495] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27495] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27495] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27495] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27495] exit_group(0)               = ?
[pid 27495] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27495, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27496
./strace-static-x86_64: Process 27496 attached
[pid 27496] set_robust_list(0x555555f76660, 24) = 0
[pid 27496] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27496] setpgid(0, 0)               = 0
[pid 27496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27496] write(3, "1000", 4)         = 4
[pid 27496] close(3)                    = 0
[pid 27496] write(1, "executing program\n", 18executing program
) = 18
[pid 27496] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27496] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27496] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27496] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27496] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27496] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27496] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27496] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27496] exit_group(0)               = ?
[pid 27496] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27496, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27497
./strace-static-x86_64: Process 27497 attached
[pid 27497] set_robust_list(0x555555f76660, 24) = 0
[pid 27497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27497] setpgid(0, 0)               = 0
[pid 27497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27497] write(3, "1000", 4)         = 4
[pid 27497] close(3)                    = 0
[pid 27497] write(1, "executing program\n", 18executing program
) = 18
[pid 27497] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27497] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27497] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27497] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27497] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27497] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27497] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27497] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27497] exit_group(0)               = ?
[pid 27497] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27497, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27498
./strace-static-x86_64: Process 27498 attached
[pid 27498] set_robust_list(0x555555f76660, 24) = 0
[pid 27498] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27498] setpgid(0, 0)               = 0
[pid 27498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27498] write(3, "1000", 4)         = 4
[pid 27498] close(3)                    = 0
executing program
[pid 27498] write(1, "executing program\n", 18) = 18
[pid 27498] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27498] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27498] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27498] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27498] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27498] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27498] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27498] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27498] exit_group(0)               = ?
[pid 27498] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27498, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27499
./strace-static-x86_64: Process 27499 attached
[pid 27499] set_robust_list(0x555555f76660, 24) = 0
[pid 27499] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27499] setpgid(0, 0)               = 0
[pid 27499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27499] write(3, "1000", 4)         = 4
[pid 27499] close(3)                    = 0
[pid 27499] write(1, "executing program\n", 18executing program
) = 18
[pid 27499] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27499] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27499] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27499] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27499] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27499] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27499] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27499] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27499] exit_group(0)               = ?
[pid 27499] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27499, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27500
./strace-static-x86_64: Process 27500 attached
[pid 27500] set_robust_list(0x555555f76660, 24) = 0
[pid 27500] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27500] setpgid(0, 0)               = 0
[pid 27500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27500] write(3, "1000", 4)         = 4
[pid 27500] close(3)                    = 0
[pid 27500] write(1, "executing program\n", 18executing program
) = 18
[pid 27500] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27500] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27500] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27500] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27500] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27500] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27500] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27500] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27500] exit_group(0)               = ?
[pid 27500] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27500, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27501 attached
, child_tidptr=0x555555f76650) = 27501
[pid 27501] set_robust_list(0x555555f76660, 24) = 0
[pid 27501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27501] setpgid(0, 0)               = 0
[pid 27501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27501] write(3, "1000", 4)         = 4
[pid 27501] close(3)                    = 0
[pid 27501] write(1, "executing program\n", 18executing program
) = 18
[pid 27501] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27501] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27501] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27501] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27501] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27501] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27501] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27501] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27501] exit_group(0)               = ?
[pid 27501] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27501, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27502 attached
, child_tidptr=0x555555f76650) = 27502
[pid 27502] set_robust_list(0x555555f76660, 24) = 0
[pid 27502] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27502] setpgid(0, 0)               = 0
[pid 27502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27502] write(3, "1000", 4)         = 4
[pid 27502] close(3)                    = 0
[pid 27502] write(1, "executing program\n", 18executing program
) = 18
[pid 27502] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27502] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27502] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27502] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27502] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27502] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27502] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27502] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27502] exit_group(0)               = ?
[pid 27502] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27502, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27503 attached
, child_tidptr=0x555555f76650) = 27503
[pid 27503] set_robust_list(0x555555f76660, 24) = 0
[pid 27503] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27503] setpgid(0, 0)               = 0
[pid 27503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27503] write(3, "1000", 4)         = 4
[pid 27503] close(3)                    = 0
[pid 27503] write(1, "executing program\n", 18executing program
) = 18
[pid 27503] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27503] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27503] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27503] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27503] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27503] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27503] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27503] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27503] exit_group(0)               = ?
[pid 27503] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27503, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27504
./strace-static-x86_64: Process 27504 attached
[pid 27504] set_robust_list(0x555555f76660, 24) = 0
[pid 27504] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27504] setpgid(0, 0)               = 0
[pid 27504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27504] write(3, "1000", 4)         = 4
[pid 27504] close(3executing program
)                    = 0
[pid 27504] write(1, "executing program\n", 18) = 18
[pid 27504] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27504] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27504] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27504] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27504] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27504] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27504] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27504] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27504] exit_group(0)               = ?
[pid 27504] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27504, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27505 attached
, child_tidptr=0x555555f76650) = 27505
[pid 27505] set_robust_list(0x555555f76660, 24) = 0
[pid 27505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27505] setpgid(0, 0)               = 0
[pid 27505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27505] write(3, "1000", 4)         = 4
executing program
[pid 27505] close(3)                    = 0
[pid 27505] write(1, "executing program\n", 18) = 18
[pid 27505] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27505] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27505] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27505] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27505] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27505] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27505] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27505] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27505] exit_group(0)               = ?
[pid 27505] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27505, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27506 attached
, child_tidptr=0x555555f76650) = 27506
[pid 27506] set_robust_list(0x555555f76660, 24) = 0
[pid 27506] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27506] setpgid(0, 0)               = 0
[pid 27506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27506] write(3, "1000", 4)         = 4
[pid 27506] close(3)                    = 0
executing program
[pid 27506] write(1, "executing program\n", 18) = 18
[pid 27506] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27506] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27506] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27506] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27506] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27506] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27506] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27506] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27506] exit_group(0)               = ?
[pid 27506] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27506, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27507 attached
, child_tidptr=0x555555f76650) = 27507
[pid 27507] set_robust_list(0x555555f76660, 24) = 0
[pid 27507] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27507] setpgid(0, 0)               = 0
[pid 27507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27507] write(3, "1000", 4)         = 4
[pid 27507] close(3)                    = 0
[pid 27507] write(1, "executing program\n", 18executing program
) = 18
[pid 27507] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27507] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27507] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27507] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27507] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27507] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27507] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27507] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27507] exit_group(0)               = ?
[pid 27507] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27507, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27508
./strace-static-x86_64: Process 27508 attached
[pid 27508] set_robust_list(0x555555f76660, 24) = 0
[pid 27508] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27508] setpgid(0, 0)               = 0
[pid 27508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27508] write(3, "1000", 4)         = 4
executing program
[pid 27508] close(3)                    = 0
[pid 27508] write(1, "executing program\n", 18) = 18
[pid 27508] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27508] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27508] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27508] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27508] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27508] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27508] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27508] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27508] exit_group(0)               = ?
[pid 27508] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27508, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27509 attached
, child_tidptr=0x555555f76650) = 27509
[pid 27509] set_robust_list(0x555555f76660, 24) = 0
[pid 27509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27509] setpgid(0, 0)               = 0
[pid 27509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27509] write(3, "1000", 4)         = 4
[pid 27509] close(3)                    = 0
[pid 27509] write(1, "executing program\n", 18executing program
) = 18
[pid 27509] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27509] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27509] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27509] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27509] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27509] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27509] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27509] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27509] exit_group(0)               = ?
[pid 27509] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27509, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27510
./strace-static-x86_64: Process 27510 attached
[pid 27510] set_robust_list(0x555555f76660, 24) = 0
[pid 27510] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27510] setpgid(0, 0)               = 0
[pid 27510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27510] write(3, "1000", 4)         = 4
[pid 27510] close(3)                    = 0
[pid 27510] write(1, "executing program\n", 18executing program
) = 18
[pid 27510] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27510] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27510] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27510] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27510] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27510] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27510] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27510] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27510] exit_group(0)               = ?
[pid 27510] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27510, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27511
./strace-static-x86_64: Process 27511 attached
[pid 27511] set_robust_list(0x555555f76660, 24) = 0
[pid 27511] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27511] setpgid(0, 0)               = 0
[pid 27511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27511] write(3, "1000", 4)         = 4
[pid 27511] close(3)                    = 0
[pid 27511] write(1, "executing program\n", 18executing program
) = 18
[pid 27511] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27511] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27511] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27511] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27511] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27511] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27511] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27511] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27511] exit_group(0)               = ?
[pid 27511] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27511, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27512 attached
, child_tidptr=0x555555f76650) = 27512
[pid 27512] set_robust_list(0x555555f76660, 24) = 0
[pid 27512] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27512] setpgid(0, 0)               = 0
[pid 27512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27512] write(3, "1000", 4)         = 4
[pid 27512] close(3executing program
)                    = 0
[pid 27512] write(1, "executing program\n", 18) = 18
[pid 27512] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27512] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27512] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27512] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27512] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27512] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27512] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27512] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27512] exit_group(0)               = ?
[pid 27512] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27512, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27513 attached
, child_tidptr=0x555555f76650) = 27513
[pid 27513] set_robust_list(0x555555f76660, 24) = 0
[pid 27513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27513] setpgid(0, 0)               = 0
[pid 27513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27513] write(3, "1000", 4)         = 4
[pid 27513] close(3)                    = 0
[pid 27513] write(1, "executing program\n", 18executing program
) = 18
[pid 27513] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27513] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27513] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27513] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27513] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27513] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27513] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27513] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27513] exit_group(0)               = ?
[pid 27513] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27513, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27514 attached
, child_tidptr=0x555555f76650) = 27514
[pid 27514] set_robust_list(0x555555f76660, 24) = 0
[pid 27514] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27514] setpgid(0, 0)               = 0
[pid 27514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27514] write(3, "1000", 4)         = 4
[pid 27514] close(3executing program
)                    = 0
[pid 27514] write(1, "executing program\n", 18) = 18
[pid 27514] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27514] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27514] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27514] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27514] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27514] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27514] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27514] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27514] exit_group(0)               = ?
[pid 27514] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27514, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27515
./strace-static-x86_64: Process 27515 attached
[pid 27515] set_robust_list(0x555555f76660, 24) = 0
[pid 27515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27515] setpgid(0, 0)               = 0
[pid 27515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27515] write(3, "1000", 4)         = 4
[pid 27515] close(3)                    = 0
executing program
[pid 27515] write(1, "executing program\n", 18) = 18
[pid 27515] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27515] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27515] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27515] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27515] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27515] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27515] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27515] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27515] exit_group(0)               = ?
[pid 27515] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27515, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27516
./strace-static-x86_64: Process 27516 attached
[pid 27516] set_robust_list(0x555555f76660, 24) = 0
[pid 27516] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27516] setpgid(0, 0)               = 0
[pid 27516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27516] write(3, "1000", 4)         = 4
[pid 27516] close(3)                    = 0
executing program
[pid 27516] write(1, "executing program\n", 18) = 18
[pid 27516] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27516] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27516] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27516] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27516] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27516] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27516] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27516] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27516] exit_group(0)               = ?
[pid 27516] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27516, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27517
./strace-static-x86_64: Process 27517 attached
[pid 27517] set_robust_list(0x555555f76660, 24) = 0
[pid 27517] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27517] setpgid(0, 0)               = 0
[pid 27517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27517] write(3, "1000", 4)         = 4
[pid 27517] close(3)                    = 0
[pid 27517] write(1, "executing program\n", 18executing program
) = 18
[pid 27517] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27517] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27517] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27517] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27517] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27517] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27517] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27517] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27517] exit_group(0)               = ?
[pid 27517] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27517, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27518 attached
, child_tidptr=0x555555f76650) = 27518
[pid 27518] set_robust_list(0x555555f76660, 24) = 0
[pid 27518] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27518] setpgid(0, 0)               = 0
[pid 27518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27518] write(3, "1000", 4)         = 4
[pid 27518] close(3)                    = 0
[pid 27518] write(1, "executing program\n", 18executing program
) = 18
[pid 27518] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27518] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27518] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27518] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27518] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27518] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27518] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27518] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27518] exit_group(0)               = ?
[pid 27518] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27518, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27519
./strace-static-x86_64: Process 27519 attached
[pid 27519] set_robust_list(0x555555f76660, 24) = 0
[pid 27519] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27519] setpgid(0, 0)               = 0
[pid 27519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27519] write(3, "1000", 4)         = 4
[pid 27519] close(3)                    = 0
[pid 27519] write(1, "executing program\n", 18executing program
) = 18
[pid 27519] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27519] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27519] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27519] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27519] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27519] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27519] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27519] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27519] exit_group(0)               = ?
[pid 27519] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27519, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27520
./strace-static-x86_64: Process 27520 attached
[pid 27520] set_robust_list(0x555555f76660, 24) = 0
[pid 27520] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27520] setpgid(0, 0)               = 0
[pid 27520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27520] write(3, "1000", 4)         = 4
[pid 27520] close(3)                    = 0
[pid 27520] write(1, "executing program\n", 18executing program
) = 18
[pid 27520] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27520] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27520] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27520] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27520] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27520] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27520] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27520] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27520] exit_group(0)               = ?
[pid 27520] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27520, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27521
./strace-static-x86_64: Process 27521 attached
[pid 27521] set_robust_list(0x555555f76660, 24) = 0
[pid 27521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27521] setpgid(0, 0)               = 0
[pid 27521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27521] write(3, "1000", 4)         = 4
[pid 27521] close(3)                    = 0
[pid 27521] write(1, "executing program\n", 18executing program
) = 18
[pid 27521] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27521] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27521] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27521] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27521] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27521] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27521] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27521] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27521] exit_group(0)               = ?
[pid 27521] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27521, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27522
./strace-static-x86_64: Process 27522 attached
[pid 27522] set_robust_list(0x555555f76660, 24) = 0
[pid 27522] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27522] setpgid(0, 0)               = 0
[pid 27522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27522] write(3, "1000", 4)         = 4
[pid 27522] close(3)                    = 0
[pid 27522] write(1, "executing program\n", 18executing program
) = 18
[pid 27522] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27522] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27522] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27522] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27522] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27522] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27522] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27522] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27522] exit_group(0)               = ?
[pid 27522] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27522, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27523 attached
, child_tidptr=0x555555f76650) = 27523
[pid 27523] set_robust_list(0x555555f76660, 24) = 0
[pid 27523] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27523] setpgid(0, 0)               = 0
[pid 27523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27523] write(3, "1000", 4)         = 4
[pid 27523] close(3)                    = 0
[pid 27523] write(1, "executing program\n", 18executing program
) = 18
[pid 27523] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27523] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27523] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27523] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27523] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27523] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27523] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27523] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27523] exit_group(0)               = ?
[pid 27523] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27523, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27524
./strace-static-x86_64: Process 27524 attached
[pid 27524] set_robust_list(0x555555f76660, 24) = 0
[pid 27524] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27524] setpgid(0, 0)               = 0
[pid 27524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27524] write(3, "1000", 4)         = 4
[pid 27524] close(3)                    = 0
[pid 27524] write(1, "executing program\n", 18executing program
) = 18
[pid 27524] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27524] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27524] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27524] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27524] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27524] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27524] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27524] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27524] exit_group(0)               = ?
[pid 27524] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27524, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27525
./strace-static-x86_64: Process 27525 attached
[pid 27525] set_robust_list(0x555555f76660, 24) = 0
[pid 27525] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27525] setpgid(0, 0)               = 0
[pid 27525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27525] write(3, "1000", 4)         = 4
[pid 27525] close(3)                    = 0
[pid 27525] write(1, "executing program\n", 18executing program
) = 18
[pid 27525] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27525] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27525] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27525] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27525] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27525] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27525] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27525] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27525] exit_group(0)               = ?
[pid 27525] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27525, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27526
./strace-static-x86_64: Process 27526 attached
[pid 27526] set_robust_list(0x555555f76660, 24) = 0
[pid 27526] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27526] setpgid(0, 0)               = 0
[pid 27526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27526] write(3, "1000", 4)         = 4
[pid 27526] close(3)                    = 0
[pid 27526] write(1, "executing program\n", 18executing program
) = 18
[pid 27526] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27526] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27526] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27526] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27526] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27526] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27526] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27526] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27526] exit_group(0)               = ?
[pid 27526] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27526, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27527 attached
, child_tidptr=0x555555f76650) = 27527
[pid 27527] set_robust_list(0x555555f76660, 24) = 0
[pid 27527] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27527] setpgid(0, 0)               = 0
[pid 27527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27527] write(3, "1000", 4)         = 4
[pid 27527] close(3)                    = 0
[pid 27527] write(1, "executing program\n", 18executing program
) = 18
[pid 27527] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27527] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27527] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27527] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27527] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27527] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27527] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27527] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27527] exit_group(0)               = ?
[pid 27527] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27527, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27528
./strace-static-x86_64: Process 27528 attached
[pid 27528] set_robust_list(0x555555f76660, 24) = 0
[pid 27528] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27528] setpgid(0, 0)               = 0
[pid 27528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27528] write(3, "1000", 4)         = 4
[pid 27528] close(3)                    = 0
[pid 27528] write(1, "executing program\n", 18executing program
) = 18
[pid 27528] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27528] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27528] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27528] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27528] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27528] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27528] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27528] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27528] exit_group(0)               = ?
[pid 27528] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27528, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27529 attached
, child_tidptr=0x555555f76650) = 27529
[pid 27529] set_robust_list(0x555555f76660, 24) = 0
[pid 27529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27529] setpgid(0, 0)               = 0
[pid 27529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27529] write(3, "1000", 4)         = 4
[pid 27529] close(3)                    = 0
[pid 27529] write(1, "executing program\n", 18executing program
) = 18
[pid 27529] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27529] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27529] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27529] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27529] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27529] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27529] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27529] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27529] exit_group(0)               = ?
[pid 27529] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27529, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27530 attached
, child_tidptr=0x555555f76650) = 27530
[pid 27530] set_robust_list(0x555555f76660, 24) = 0
[pid 27530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27530] setpgid(0, 0)               = 0
[pid 27530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27530] write(3, "1000", 4)         = 4
[pid 27530] close(3)                    = 0
[pid 27530] write(1, "executing program\n", 18executing program
) = 18
[pid 27530] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27530] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27530] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27530] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27530] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27530] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27530] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27530] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27530] exit_group(0)               = ?
[pid 27530] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27530, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27531
./strace-static-x86_64: Process 27531 attached
[pid 27531] set_robust_list(0x555555f76660, 24) = 0
[pid 27531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27531] setpgid(0, 0)               = 0
[pid 27531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27531] write(3, "1000", 4)         = 4
[pid 27531] close(3)                    = 0
[pid 27531] write(1, "executing program\n", 18executing program
) = 18
[pid 27531] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27531] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27531] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27531] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27531] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27531] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27531] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27531] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27531] exit_group(0)               = ?
[pid 27531] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27531, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27532
./strace-static-x86_64: Process 27532 attached
[pid 27532] set_robust_list(0x555555f76660, 24) = 0
[pid 27532] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27532] setpgid(0, 0)               = 0
[pid 27532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27532] write(3, "1000", 4)         = 4
[pid 27532] close(3)                    = 0
[pid 27532] write(1, "executing program\n", 18executing program
) = 18
[pid 27532] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27532] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27532] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27532] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27532] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27532] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27532] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27532] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27532] exit_group(0)               = ?
[pid 27532] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27532, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27533
./strace-static-x86_64: Process 27533 attached
[pid 27533] set_robust_list(0x555555f76660, 24) = 0
[pid 27533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27533] setpgid(0, 0)               = 0
[pid 27533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27533] write(3, "1000", 4)         = 4
[pid 27533] close(3)                    = 0
[pid 27533] write(1, "executing program\n", 18executing program
) = 18
[pid 27533] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27533] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27533] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27533] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27533] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27533] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27533] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27533] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27533] exit_group(0)               = ?
[pid 27533] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27533, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27534
./strace-static-x86_64: Process 27534 attached
[pid 27534] set_robust_list(0x555555f76660, 24) = 0
[pid 27534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27534] setpgid(0, 0)               = 0
[pid 27534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27534] write(3, "1000", 4)         = 4
[pid 27534] close(3)                    = 0
[pid 27534] write(1, "executing program\n", 18executing program
) = 18
[pid 27534] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27534] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27534] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27534] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27534] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27534] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27534] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27534] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27534] exit_group(0)               = ?
[pid 27534] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27534, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27535
./strace-static-x86_64: Process 27535 attached
[pid 27535] set_robust_list(0x555555f76660, 24) = 0
[pid 27535] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27535] setpgid(0, 0)               = 0
[pid 27535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27535] write(3, "1000", 4)         = 4
[pid 27535] close(3)                    = 0
[pid 27535] write(1, "executing program\n", 18executing program
) = 18
[pid 27535] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27535] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27535] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27535] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27535] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27535] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27535] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27535] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27535] exit_group(0)               = ?
[pid 27535] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27535, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27536 attached
, child_tidptr=0x555555f76650) = 27536
[pid 27536] set_robust_list(0x555555f76660, 24) = 0
[pid 27536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27536] setpgid(0, 0)               = 0
[pid 27536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27536] write(3, "1000", 4)         = 4
[pid 27536] close(3)                    = 0
[pid 27536] write(1, "executing program\n", 18executing program
) = 18
[pid 27536] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27536] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27536] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27536] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27536] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27536] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27536] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27536] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27536] exit_group(0)               = ?
[pid 27536] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27536, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27537 attached
, child_tidptr=0x555555f76650) = 27537
[pid 27537] set_robust_list(0x555555f76660, 24) = 0
[pid 27537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27537] setpgid(0, 0)               = 0
[pid 27537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27537] write(3, "1000", 4)         = 4
[pid 27537] close(3)                    = 0
[pid 27537] write(1, "executing program\n", 18executing program
) = 18
[pid 27537] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27537] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27537] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27537] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27537] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27537] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27537] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27537] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27537] exit_group(0)               = ?
[pid 27537] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27537, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27538
./strace-static-x86_64: Process 27538 attached
[pid 27538] set_robust_list(0x555555f76660, 24) = 0
[pid 27538] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27538] setpgid(0, 0)               = 0
[pid 27538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27538] write(3, "1000", 4)         = 4
[pid 27538] close(3)                    = 0
[pid 27538] write(1, "executing program\n", 18executing program
) = 18
[pid 27538] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27538] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27538] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27538] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27538] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27538] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27538] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27538] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27538] exit_group(0)               = ?
[pid 27538] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27538, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27539 attached
, child_tidptr=0x555555f76650) = 27539
[pid 27539] set_robust_list(0x555555f76660, 24) = 0
[pid 27539] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27539] setpgid(0, 0)               = 0
[pid 27539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27539] write(3, "1000", 4)         = 4
[pid 27539] close(3)                    = 0
[pid 27539] write(1, "executing program\n", 18executing program
) = 18
[pid 27539] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27539] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27539] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27539] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27539] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27539] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27539] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27539] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27539] exit_group(0)               = ?
[pid 27539] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27539, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27540 attached
, child_tidptr=0x555555f76650) = 27540
[pid 27540] set_robust_list(0x555555f76660, 24) = 0
[pid 27540] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27540] setpgid(0, 0)               = 0
[pid 27540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27540] write(3, "1000", 4)         = 4
[pid 27540] close(3)                    = 0
executing program
[pid 27540] write(1, "executing program\n", 18) = 18
[pid 27540] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27540] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27540] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27540] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27540] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27540] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27540] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27540] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27540] exit_group(0)               = ?
[pid 27540] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27540, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27541
./strace-static-x86_64: Process 27541 attached
[pid 27541] set_robust_list(0x555555f76660, 24) = 0
[pid 27541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27541] setpgid(0, 0)               = 0
[pid 27541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27541] write(3, "1000", 4)         = 4
[pid 27541] close(3)                    = 0
[pid 27541] write(1, "executing program\n", 18executing program
) = 18
[pid 27541] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27541] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27541] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27541] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27541] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27541] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27541] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27541] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27541] exit_group(0)               = ?
[pid 27541] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27541, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27542
./strace-static-x86_64: Process 27542 attached
[pid 27542] set_robust_list(0x555555f76660, 24) = 0
[pid 27542] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27542] setpgid(0, 0)               = 0
[pid 27542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27542] write(3, "1000", 4)         = 4
[pid 27542] close(3)                    = 0
[pid 27542] write(1, "executing program\n", 18executing program
) = 18
[pid 27542] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27542] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27542] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27542] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27542] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27542] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27542] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27542] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27542] exit_group(0)               = ?
[pid 27542] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27542, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27543
./strace-static-x86_64: Process 27543 attached
[pid 27543] set_robust_list(0x555555f76660, 24) = 0
[pid 27543] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27543] setpgid(0, 0)               = 0
[pid 27543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27543] write(3, "1000", 4)         = 4
[pid 27543] close(3)                    = 0
[pid 27543] write(1, "executing program\n", 18executing program
) = 18
[pid 27543] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27543] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27543] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27543] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27543] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27543] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27543] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27543] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27543] exit_group(0)               = ?
[pid 27543] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27543, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27544 attached
, child_tidptr=0x555555f76650) = 27544
[pid 27544] set_robust_list(0x555555f76660, 24) = 0
[pid 27544] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27544] setpgid(0, 0)               = 0
[pid 27544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27544] write(3, "1000", 4)         = 4
[pid 27544] close(3)                    = 0
[pid 27544] write(1, "executing program\n", 18executing program
) = 18
[pid 27544] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27544] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27544] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27544] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27544] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27544] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27544] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27544] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27544] exit_group(0)               = ?
[pid 27544] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27544, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27545
./strace-static-x86_64: Process 27545 attached
[pid 27545] set_robust_list(0x555555f76660, 24) = 0
[pid 27545] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27545] setpgid(0, 0)               = 0
[pid 27545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27545] write(3, "1000", 4)         = 4
[pid 27545] close(3)                    = 0
[pid 27545] write(1, "executing program\n", 18executing program
) = 18
[pid 27545] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27545] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27545] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27545] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27545] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27545] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27545] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27545] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27545] exit_group(0)               = ?
[pid 27545] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27545, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27546
./strace-static-x86_64: Process 27546 attached
[pid 27546] set_robust_list(0x555555f76660, 24) = 0
[pid 27546] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27546] setpgid(0, 0)               = 0
[pid 27546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27546] write(3, "1000", 4)         = 4
[pid 27546] close(3)                    = 0
[pid 27546] write(1, "executing program\n", 18executing program
) = 18
[pid 27546] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27546] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27546] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27546] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27546] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27546] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27546] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27546] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27546] exit_group(0)               = ?
[pid 27546] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27546, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27547 attached
, child_tidptr=0x555555f76650) = 27547
[pid 27547] set_robust_list(0x555555f76660, 24) = 0
[pid 27547] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27547] setpgid(0, 0)               = 0
[pid 27547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27547] write(3, "1000", 4)         = 4
[pid 27547] close(3)                    = 0
[pid 27547] write(1, "executing program\n", 18executing program
) = 18
[pid 27547] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27547] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27547] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27547] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27547] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27547] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27547] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27547] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27547] exit_group(0)               = ?
[pid 27547] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27547, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27548
./strace-static-x86_64: Process 27548 attached
[pid 27548] set_robust_list(0x555555f76660, 24) = 0
[pid 27548] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27548] setpgid(0, 0)               = 0
[pid 27548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27548] write(3, "1000", 4)         = 4
[pid 27548] close(3)                    = 0
[pid 27548] write(1, "executing program\n", 18executing program
) = 18
[pid 27548] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27548] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27548] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27548] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27548] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27548] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27548] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27548] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27548] exit_group(0)               = ?
[pid 27548] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27548, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27549
./strace-static-x86_64: Process 27549 attached
[pid 27549] set_robust_list(0x555555f76660, 24) = 0
[pid 27549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27549] setpgid(0, 0)               = 0
[pid 27549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27549] write(3, "1000", 4)         = 4
[pid 27549] close(3)                    = 0
[pid 27549] write(1, "executing program\n", 18executing program
) = 18
[pid 27549] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27549] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27549] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27549] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27549] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27549] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27549] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27549] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27549] exit_group(0)               = ?
[pid 27549] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27549, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27550
./strace-static-x86_64: Process 27550 attached
[pid 27550] set_robust_list(0x555555f76660, 24) = 0
[pid 27550] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27550] setpgid(0, 0)               = 0
[pid 27550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27550] write(3, "1000", 4)         = 4
[pid 27550] close(3)                    = 0
[pid 27550] write(1, "executing program\n", 18executing program
) = 18
[pid 27550] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27550] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27550] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27550] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27550] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27550] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27550] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27550] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27550] exit_group(0)               = ?
[pid 27550] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27550, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27551 attached
, child_tidptr=0x555555f76650) = 27551
[pid 27551] set_robust_list(0x555555f76660, 24) = 0
[pid 27551] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program
) = 0
[pid 27551] setpgid(0, 0)               = 0
[pid 27551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27551] write(3, "1000", 4)         = 4
[pid 27551] close(3)                    = 0
[pid 27551] write(1, "executing program\n", 18) = 18
[pid 27551] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27551] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27551] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27551] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27551] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27551] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27551] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27551] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27551] exit_group(0)               = ?
[pid 27551] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27551, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>executing program
) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27552 attached
, child_tidptr=0x555555f76650) = 27552
[pid 27552] set_robust_list(0x555555f76660, 24) = 0
[pid 27552] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27552] setpgid(0, 0)               = 0
[pid 27552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27552] write(3, "1000", 4)         = 4
[pid 27552] close(3)                    = 0
[pid 27552] write(1, "executing program\n", 18) = 18
[pid 27552] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27552] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27552] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27552] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27552] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27552] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27552] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27552] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27552] exit_group(0)               = ?
[pid 27552] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27552, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27553
./strace-static-x86_64: Process 27553 attached
[pid 27553] set_robust_list(0x555555f76660, 24) = 0
[pid 27553] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27553] setpgid(0, 0)               = 0
[pid 27553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27553] write(3, "1000", 4)         = 4
[pid 27553] close(3)                    = 0
[pid 27553] write(1, "executing program\n", 18executing program
) = 18
[pid 27553] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27553] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27553] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27553] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27553] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27553] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27553] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27553] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27553] exit_group(0)               = ?
[pid 27553] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27553, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27554 attached
, child_tidptr=0x555555f76650) = 27554
[pid 27554] set_robust_list(0x555555f76660, 24) = 0
[pid 27554] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27554] setpgid(0, 0)               = 0
[pid 27554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27554] write(3, "1000", 4)         = 4
[pid 27554] close(3)                    = 0
executing program
[pid 27554] write(1, "executing program\n", 18) = 18
[pid 27554] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27554] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27554] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27554] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27554] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27554] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27554] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27554] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27554] exit_group(0)               = ?
[pid 27554] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27554, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27555
./strace-static-x86_64: Process 27555 attached
[pid 27555] set_robust_list(0x555555f76660, 24) = 0
[pid 27555] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27555] setpgid(0, 0)               = 0
[pid 27555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27555] write(3, "1000", 4)         = 4
[pid 27555] close(3)                    = 0
[pid 27555] write(1, "executing program\n", 18executing program
) = 18
[pid 27555] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27555] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27555] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27555] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27555] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27555] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27555] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27555] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27555] exit_group(0)               = ?
[pid 27555] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27555, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27556
./strace-static-x86_64: Process 27556 attached
[pid 27556] set_robust_list(0x555555f76660, 24) = 0
[pid 27556] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27556] setpgid(0, 0)               = 0
[pid 27556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27556] write(3, "1000", 4)         = 4
[pid 27556] close(3)                    = 0
[pid 27556] write(1, "executing program\n", 18executing program
) = 18
[pid 27556] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27556] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27556] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27556] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27556] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27556] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27556] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27556] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27556] exit_group(0)               = ?
[pid 27556] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27556, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27557
./strace-static-x86_64: Process 27557 attached
[pid 27557] set_robust_list(0x555555f76660, 24) = 0
[pid 27557] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27557] setpgid(0, 0)               = 0
[pid 27557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27557] write(3, "1000", 4)         = 4
[pid 27557] close(3)                    = 0
[pid 27557] write(1, "executing program\n", 18executing program
) = 18
[pid 27557] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27557] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27557] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27557] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27557] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27557] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27557] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27557] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27557] exit_group(0)               = ?
[pid 27557] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27557, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27558 attached
, child_tidptr=0x555555f76650) = 27558
[pid 27558] set_robust_list(0x555555f76660, 24) = 0
[pid 27558] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27558] setpgid(0, 0)               = 0
[pid 27558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27558] write(3, "1000", 4)         = 4
[pid 27558] close(3)                    = 0
executing program
[pid 27558] write(1, "executing program\n", 18) = 18
[pid 27558] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27558] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27558] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27558] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27558] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27558] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27558] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27558] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27558] exit_group(0)               = ?
[pid 27558] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27558, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>executing program
) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27559 attached
, child_tidptr=0x555555f76650) = 27559
[pid 27559] set_robust_list(0x555555f76660, 24) = 0
[pid 27559] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27559] setpgid(0, 0)               = 0
[pid 27559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27559] write(3, "1000", 4)         = 4
[pid 27559] close(3)                    = 0
[pid 27559] write(1, "executing program\n", 18) = 18
[pid 27559] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27559] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27559] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27559] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27559] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27559] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27559] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27559] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27559] exit_group(0)               = ?
[pid 27559] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27559, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27560
./strace-static-x86_64: Process 27560 attached
[pid 27560] set_robust_list(0x555555f76660, 24) = 0
[pid 27560] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27560] setpgid(0, 0)               = 0
[pid 27560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27560] write(3, "1000", 4)         = 4
[pid 27560] close(3)                    = 0
[pid 27560] write(1, "executing program\n", 18executing program
) = 18
[pid 27560] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27560] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27560] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27560] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27560] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27560] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27560] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27560] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27560] exit_group(0)               = ?
[pid 27560] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27560, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27561 attached
, child_tidptr=0x555555f76650) = 27561
[pid 27561] set_robust_list(0x555555f76660, 24) = 0
[pid 27561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27561] setpgid(0, 0)               = 0
[pid 27561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27561] write(3, "1000", 4)         = 4
[pid 27561] close(3executing program
)                    = 0
[pid 27561] write(1, "executing program\n", 18) = 18
[pid 27561] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27561] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27561] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27561] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27561] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27561] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27561] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27561] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27561] exit_group(0)               = ?
[pid 27561] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27561, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27562 attached
, child_tidptr=0x555555f76650) = 27562
[pid 27562] set_robust_list(0x555555f76660, 24) = 0
[pid 27562] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27562] setpgid(0, 0)               = 0
[pid 27562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27562] write(3, "1000", 4)         = 4
[pid 27562] close(3)                    = 0
executing program
[pid 27562] write(1, "executing program\n", 18) = 18
[pid 27562] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27562] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27562] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27562] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27562] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27562] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27562] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27562] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27562] exit_group(0)               = ?
[pid 27562] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27562, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27563 attached
, child_tidptr=0x555555f76650) = 27563
[pid 27563] set_robust_list(0x555555f76660, 24) = 0
[pid 27563] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27563] setpgid(0, 0)               = 0
[pid 27563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27563] write(3, "1000", 4)         = 4
[pid 27563] close(3)                    = 0
executing program
[pid 27563] write(1, "executing program\n", 18) = 18
[pid 27563] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27563] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27563] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27563] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27563] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27563] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27563] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27563] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27563] exit_group(0)               = ?
[pid 27563] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27563, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27564 attached
, child_tidptr=0x555555f76650) = 27564
[pid 27564] set_robust_list(0x555555f76660, 24) = 0
[pid 27564] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27564] setpgid(0, 0)               = 0
[pid 27564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27564] write(3, "1000", 4)         = 4
[pid 27564] close(3)                    = 0
[pid 27564] write(1, "executing program\n", 18executing program
) = 18
[pid 27564] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27564] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27564] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27564] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27564] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27564] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27564] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27564] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27564] exit_group(0)               = ?
[pid 27564] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27564, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27565
./strace-static-x86_64: Process 27565 attached
[pid 27565] set_robust_list(0x555555f76660, 24) = 0
[pid 27565] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27565] setpgid(0, 0)               = 0
[pid 27565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27565] write(3, "1000", 4)         = 4
[pid 27565] close(3executing program
)                    = 0
[pid 27565] write(1, "executing program\n", 18) = 18
[pid 27565] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27565] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27565] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27565] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27565] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27565] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27565] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27565] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27565] exit_group(0)               = ?
[pid 27565] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27565, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27566 attached
, child_tidptr=0x555555f76650) = 27566
[pid 27566] set_robust_list(0x555555f76660, 24) = 0
[pid 27566] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27566] setpgid(0, 0)               = 0
[pid 27566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27566] write(3, "1000", 4)         = 4
[pid 27566] close(3)                    = 0
[pid 27566] write(1, "executing program\n", 18executing program
) = 18
[pid 27566] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27566] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27566] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27566] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27566] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27566] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27566] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27566] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27566] exit_group(0)               = ?
[pid 27566] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27566, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27567
./strace-static-x86_64: Process 27567 attached
[pid 27567] set_robust_list(0x555555f76660, 24) = 0
[pid 27567] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27567] setpgid(0, 0)               = 0
[pid 27567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27567] write(3, "1000", 4)         = 4
[pid 27567] close(3)                    = 0
[pid 27567] write(1, "executing program\n", 18executing program
) = 18
[pid 27567] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27567] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27567] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27567] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27567] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27567] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27567] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27567] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27567] exit_group(0)               = ?
[pid 27567] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27567, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27568 attached
, child_tidptr=0x555555f76650) = 27568
[pid 27568] set_robust_list(0x555555f76660, 24) = 0
[pid 27568] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27568] setpgid(0, 0)               = 0
[pid 27568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27568] write(3, "1000", 4)         = 4
[pid 27568] close(3)                    = 0
[pid 27568] write(1, "executing program\n", 18executing program
) = 18
[pid 27568] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27568] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27568] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27568] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27568] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27568] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27568] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27568] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27568] exit_group(0)               = ?
[pid 27568] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27568, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27569
./strace-static-x86_64: Process 27569 attached
[pid 27569] set_robust_list(0x555555f76660, 24) = 0
[pid 27569] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27569] setpgid(0, 0)               = 0
[pid 27569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27569] write(3, "1000", 4)         = 4
[pid 27569] close(3)                    = 0
[pid 27569] write(1, "executing program\n", 18executing program
) = 18
[pid 27569] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27569] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27569] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27569] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27569] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27569] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27569] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27569] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27569] exit_group(0)               = ?
[pid 27569] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27569, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27570 attached
, child_tidptr=0x555555f76650) = 27570
[pid 27570] set_robust_list(0x555555f76660, 24) = 0
[pid 27570] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27570] setpgid(0, 0)               = 0
[pid 27570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27570] write(3, "1000", 4)         = 4
[pid 27570] close(3)                    = 0
[pid 27570] write(1, "executing program\n", 18executing program
) = 18
[pid 27570] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27570] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27570] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27570] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27570] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27570] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27570] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27570] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27570] exit_group(0)               = ?
[pid 27570] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27570, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27571 attached
, child_tidptr=0x555555f76650) = 27571
[pid 27571] set_robust_list(0x555555f76660, 24) = 0
[pid 27571] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27571] setpgid(0, 0)               = 0
[pid 27571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27571] write(3, "1000", 4)         = 4
executing program
[pid 27571] close(3)                    = 0
[pid 27571] write(1, "executing program\n", 18) = 18
[pid 27571] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27571] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27571] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27571] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27571] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27571] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27571] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27571] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27571] exit_group(0)               = ?
[pid 27571] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27571, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27572
./strace-static-x86_64: Process 27572 attached
[pid 27572] set_robust_list(0x555555f76660, 24) = 0
[pid 27572] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27572] setpgid(0, 0)               = 0
[pid 27572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27572] write(3, "1000", 4)         = 4
[pid 27572] close(3)                    = 0
[pid 27572] write(1, "executing program\n", 18executing program
) = 18
[pid 27572] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27572] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27572] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27572] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27572] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27572] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27572] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27572] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27572] exit_group(0)               = ?
[pid 27572] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27572, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27574
./strace-static-x86_64: Process 27574 attached
[pid 27574] set_robust_list(0x555555f76660, 24) = 0
[pid 27574] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27574] setpgid(0, 0)               = 0
[pid 27574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27574] write(3, "1000", 4)         = 4
[pid 27574] close(3executing program
)                    = 0
[pid 27574] write(1, "executing program\n", 18) = 18
[pid 27574] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27574] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27574] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27574] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27574] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27574] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27574] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27574] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27574] exit_group(0)               = ?
[pid 27574] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27574, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27575 attached
, child_tidptr=0x555555f76650) = 27575
[pid 27575] set_robust_list(0x555555f76660, 24) = 0
[pid 27575] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27575] setpgid(0, 0)               = 0
[pid 27575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27575] write(3, "1000", 4)         = 4
[pid 27575] close(3)                    = 0
[pid 27575] write(1, "executing program\n", 18executing program
) = 18
[pid 27575] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27575] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27575] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27575] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27575] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27575] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27575] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27575] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27575] exit_group(0)               = ?
[pid 27575] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27575, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27576 attached
, child_tidptr=0x555555f76650) = 27576
[pid 27576] set_robust_list(0x555555f76660, 24) = 0
[pid 27576] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27576] setpgid(0, 0)               = 0
[pid 27576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27576] write(3, "1000", 4)         = 4
[pid 27576] close(3)                    = 0
[pid 27576] write(1, "executing program\n", 18executing program
) = 18
[pid 27576] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27576] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27576] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27576] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27576] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27576] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27576] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27576] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27576] exit_group(0)               = ?
[pid 27576] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27576, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27577 attached
, child_tidptr=0x555555f76650) = 27577
[pid 27577] set_robust_list(0x555555f76660, 24) = 0
[pid 27577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27577] setpgid(0, 0)               = 0
[pid 27577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27577] write(3, "1000", 4)         = 4
[pid 27577] close(3)                    = 0
[pid 27577] write(1, "executing program\n", 18) = 18
[pid 27577] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27577] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27577] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27577] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27577] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27577] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27577] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27577] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27577] exit_group(0)               = ?
[pid 27577] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27577, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27578 attached
, child_tidptr=0x555555f76650) = 27578
[pid 27578] set_robust_list(0x555555f76660, 24) = 0
[pid 27578] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27578] setpgid(0, 0)               = 0
[pid 27578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 27578] write(3, "1000", 4)         = 4
[pid 27578] close(3)                    = 0
[pid 27578] write(1, "executing program\n", 18) = 18
[pid 27578] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27578] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27578] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27578] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27578] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27578] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27578] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27578] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27578] exit_group(0)               = ?
[pid 27578] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27578, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27579
./strace-static-x86_64: Process 27579 attached
[pid 27579] set_robust_list(0x555555f76660, 24) = 0
[pid 27579] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27579] setpgid(0, 0)               = 0
[pid 27579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27579] write(3, "1000", 4)         = 4
[pid 27579] close(3)                    = 0
[pid 27579] write(1, "executing program\n", 18executing program
) = 18
[pid 27579] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27579] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27579] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27579] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27579] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27579] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27579] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27579] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27579] exit_group(0)               = ?
[pid 27579] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27579, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27580
./strace-static-x86_64: Process 27580 attached
[pid 27580] set_robust_list(0x555555f76660, 24) = 0
[pid 27580] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27580] setpgid(0, 0)               = 0
[pid 27580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27580] write(3, "1000", 4)         = 4
[pid 27580] close(3)                    = 0
[pid 27580] write(1, "executing program\n", 18executing program
) = 18
[pid 27580] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27580] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27580] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27580] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27580] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27580] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27580] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27580] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27580] exit_group(0)               = ?
[pid 27580] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27580, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27581 attached
, child_tidptr=0x555555f76650) = 27581
[pid 27581] set_robust_list(0x555555f76660, 24) = 0
[pid 27581] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27581] setpgid(0, 0)               = 0
[pid 27581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27581] write(3, "1000", 4)         = 4
[pid 27581] close(3executing program
)                    = 0
[pid 27581] write(1, "executing program\n", 18) = 18
[pid 27581] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27581] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27581] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27581] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27581] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27581] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27581] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27581] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27581] exit_group(0)               = ?
[pid 27581] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27581, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27582 attached
, child_tidptr=0x555555f76650) = 27582
[pid 27582] set_robust_list(0x555555f76660, 24) = 0
[pid 27582] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27582] setpgid(0, 0)               = 0
[pid 27582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27582] write(3, "1000", 4)         = 4
[pid 27582] close(3)                    = 0
[pid 27582] write(1, "executing program\n", 18executing program
) = 18
[pid 27582] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27582] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27582] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27582] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27582] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27582] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27582] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27582] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27582] exit_group(0)               = ?
[pid 27582] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27582, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27583
./strace-static-x86_64: Process 27583 attached
[pid 27583] set_robust_list(0x555555f76660, 24) = 0
[pid 27583] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27583] setpgid(0, 0)               = 0
[pid 27583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27583] write(3, "1000", 4)         = 4
[pid 27583] close(3executing program
)                    = 0
[pid 27583] write(1, "executing program\n", 18) = 18
[pid 27583] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27583] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27583] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27583] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27583] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27583] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27583] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27583] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27583] exit_group(0)               = ?
[pid 27583] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27583, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27584 attached
, child_tidptr=0x555555f76650) = 27584
[pid 27584] set_robust_list(0x555555f76660, 24) = 0
[pid 27584] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27584] setpgid(0, 0)               = 0
[pid 27584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27584] write(3, "1000", 4)         = 4
[pid 27584] close(3)                    = 0
executing program
[pid 27584] write(1, "executing program\n", 18) = 18
[pid 27584] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27584] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27584] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27584] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27584] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27584] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27584] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27584] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27584] exit_group(0)               = ?
[pid 27584] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27584, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27585 attached
, child_tidptr=0x555555f76650) = 27585
[pid 27585] set_robust_list(0x555555f76660, 24) = 0
[pid 27585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27585] setpgid(0, 0)               = 0
[pid 27585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27585] write(3, "1000", 4)         = 4
executing program
[pid 27585] close(3)                    = 0
[pid 27585] write(1, "executing program\n", 18) = 18
[pid 27585] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27585] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27585] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27585] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27585] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27585] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27585] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27585] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27585] exit_group(0)               = ?
[pid 27585] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27585, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27586
./strace-static-x86_64: Process 27586 attached
[pid 27586] set_robust_list(0x555555f76660, 24) = 0
[pid 27586] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27586] setpgid(0, 0)               = 0
[pid 27586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27586] write(3, "1000", 4)         = 4
[pid 27586] close(3)                    = 0
[pid 27586] write(1, "executing program\n", 18executing program
) = 18
[pid 27586] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27586] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27586] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27586] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27586] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27586] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27586] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27586] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27586] exit_group(0)               = ?
[pid 27586] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27586, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27587
./strace-static-x86_64: Process 27587 attached
[pid 27587] set_robust_list(0x555555f76660, 24) = 0
[pid 27587] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27587] setpgid(0, 0)               = 0
[pid 27587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27587] write(3, "1000", 4)         = 4
[pid 27587] close(3)                    = 0
[pid 27587] write(1, "executing program\n", 18executing program
) = 18
[pid 27587] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27587] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27587] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27587] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27587] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27587] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27587] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27587] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27587] exit_group(0)               = ?
[pid 27587] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27587, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27588 attached
, child_tidptr=0x555555f76650) = 27588
[pid 27588] set_robust_list(0x555555f76660, 24) = 0
[pid 27588] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27588] setpgid(0, 0)               = 0
executing program
[pid 27588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27588] write(3, "1000", 4)         = 4
[pid 27588] close(3)                    = 0
[pid 27588] write(1, "executing program\n", 18) = 18
[pid 27588] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27588] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27588] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27588] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27588] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27588] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27588] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27588] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27588] exit_group(0)               = ?
[pid 27588] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27588, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27589 attached
, child_tidptr=0x555555f76650) = 27589
[pid 27589] set_robust_list(0x555555f76660, 24) = 0
[pid 27589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27589] setpgid(0, 0)               = 0
[pid 27589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27589] write(3, "1000", 4)         = 4
[pid 27589] close(3)                    = 0
executing program
[pid 27589] write(1, "executing program\n", 18) = 18
[pid 27589] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27589] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27589] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27589] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27589] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27589] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27589] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27589] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27589] exit_group(0)               = ?
[pid 27589] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27589, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27590
./strace-static-x86_64: Process 27590 attached
[pid 27590] set_robust_list(0x555555f76660, 24) = 0
[pid 27590] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27590] setpgid(0, 0)               = 0
[pid 27590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27590] write(3, "1000", 4)         = 4
[pid 27590] close(3)                    = 0
executing program
[pid 27590] write(1, "executing program\n", 18) = 18
[pid 27590] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27590] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27590] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27590] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27590] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27590] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27590] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27590] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27590] exit_group(0)               = ?
[pid 27590] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27590, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27591 attached
, child_tidptr=0x555555f76650) = 27591
[pid 27591] set_robust_list(0x555555f76660, 24) = 0
[pid 27591] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27591] setpgid(0, 0)               = 0
[pid 27591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27591] write(3, "1000", 4)         = 4
[pid 27591] close(3)                    = 0
executing program
[pid 27591] write(1, "executing program\n", 18) = 18
[pid 27591] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27591] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27591] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27591] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27591] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27591] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27591] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27591] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27591] exit_group(0)               = ?
[pid 27591] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27591, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27592
./strace-static-x86_64: Process 27592 attached
[pid 27592] set_robust_list(0x555555f76660, 24) = 0
[pid 27592] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27592] setpgid(0, 0)               = 0
[pid 27592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27592] write(3, "1000", 4)         = 4
[pid 27592] close(3)                    = 0
executing program
[pid 27592] write(1, "executing program\n", 18) = 18
[pid 27592] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27592] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27592] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27592] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27592] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27592] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27592] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27592] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27592] exit_group(0)               = ?
[pid 27592] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27592, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27593 attached
, child_tidptr=0x555555f76650) = 27593
[pid 27593] set_robust_list(0x555555f76660, 24) = 0
[pid 27593] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27593] setpgid(0, 0)               = 0
[pid 27593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27593] write(3, "1000", 4)         = 4
[pid 27593] close(3)                    = 0
executing program
[pid 27593] write(1, "executing program\n", 18) = 18
[pid 27593] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27593] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27593] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27593] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27593] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27593] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27593] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27593] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27593] exit_group(0)               = ?
[pid 27593] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27593, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27594
./strace-static-x86_64: Process 27594 attached
[pid 27594] set_robust_list(0x555555f76660, 24) = 0
[pid 27594] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27594] setpgid(0, 0)               = 0
[pid 27594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27594] write(3, "1000", 4)         = 4
[pid 27594] close(3)                    = 0
executing program
[pid 27594] write(1, "executing program\n", 18) = 18
[pid 27594] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27594] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27594] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27594] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27594] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27594] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27594] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27594] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27594] exit_group(0)               = ?
[pid 27594] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27594, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27595 attached
, child_tidptr=0x555555f76650) = 27595
[pid 27595] set_robust_list(0x555555f76660, 24) = 0
[pid 27595] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27595] setpgid(0, 0)               = 0
[pid 27595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27595] write(3, "1000", 4)         = 4
[pid 27595] close(3executing program
)                    = 0
[pid 27595] write(1, "executing program\n", 18) = 18
[pid 27595] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27595] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27595] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27595] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27595] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27595] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27595] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27595] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27595] exit_group(0)               = ?
[pid 27595] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27595, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27596
./strace-static-x86_64: Process 27596 attached
[pid 27596] set_robust_list(0x555555f76660, 24) = 0
[pid 27596] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27596] setpgid(0, 0)               = 0
[pid 27596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27596] write(3, "1000", 4)         = 4
[pid 27596] close(3)                    = 0
executing program
[pid 27596] write(1, "executing program\n", 18) = 18
[pid 27596] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27596] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27596] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27596] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27596] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27596] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27596] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27596] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27596] exit_group(0)               = ?
[pid 27596] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27596, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27597
./strace-static-x86_64: Process 27597 attached
[pid 27597] set_robust_list(0x555555f76660, 24) = 0
[pid 27597] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27597] setpgid(0, 0)               = 0
[pid 27597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27597] write(3, "1000", 4)         = 4
[pid 27597] close(3)                    = 0
[pid 27597] write(1, "executing program\n", 18executing program
) = 18
[pid 27597] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27597] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27597] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27597] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27597] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27597] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27597] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27597] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27597] exit_group(0)               = ?
[pid 27597] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27597, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27598
./strace-static-x86_64: Process 27598 attached
[pid 27598] set_robust_list(0x555555f76660, 24) = 0
[pid 27598] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27598] setpgid(0, 0)               = 0
[pid 27598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27598] write(3, "1000", 4)         = 4
[pid 27598] close(3)                    = 0
[pid 27598] write(1, "executing program\n", 18executing program
) = 18
[pid 27598] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27598] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27598] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27598] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27598] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27598] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27598] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27598] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27598] exit_group(0)               = ?
[pid 27598] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27598, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27599 attached
, child_tidptr=0x555555f76650) = 27599
[pid 27599] set_robust_list(0x555555f76660, 24) = 0
[pid 27599] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27599] setpgid(0, 0)               = 0
[pid 27599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27599] write(3, "1000", 4)         = 4
executing program
[pid 27599] close(3)                    = 0
[pid 27599] write(1, "executing program\n", 18) = 18
[pid 27599] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27599] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27599] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27599] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27599] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27599] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27599] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27599] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27599] exit_group(0)               = ?
[pid 27599] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27599, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27600
./strace-static-x86_64: Process 27600 attached
[pid 27600] set_robust_list(0x555555f76660, 24) = 0
[pid 27600] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27600] setpgid(0, 0)               = 0
[pid 27600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27600] write(3, "1000", 4)         = 4
[pid 27600] close(3)                    = 0
executing program
[pid 27600] write(1, "executing program\n", 18) = 18
[pid 27600] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27600] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27600] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27600] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27600] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27600] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27600] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27600] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27600] exit_group(0)               = ?
[pid 27600] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27600, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27601
./strace-static-x86_64: Process 27601 attached
[pid 27601] set_robust_list(0x555555f76660, 24) = 0
[pid 27601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27601] setpgid(0, 0)               = 0
[pid 27601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27601] write(3, "1000", 4)         = 4
[pid 27601] close(3executing program
)                    = 0
[pid 27601] write(1, "executing program\n", 18) = 18
[pid 27601] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27601] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27601] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27601] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27601] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27601] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27601] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27601] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27601] exit_group(0)               = ?
[pid 27601] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27601, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27602
./strace-static-x86_64: Process 27602 attached
[pid 27602] set_robust_list(0x555555f76660, 24) = 0
[pid 27602] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27602] setpgid(0, 0)               = 0
[pid 27602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27602] write(3, "1000", 4)         = 4
executing program
[pid 27602] close(3)                    = 0
[pid 27602] write(1, "executing program\n", 18) = 18
[pid 27602] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27602] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27602] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27602] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27602] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27602] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27602] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27602] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27602] exit_group(0)               = ?
[pid 27602] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27602, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27603 attached
, child_tidptr=0x555555f76650) = 27603
[pid 27603] set_robust_list(0x555555f76660, 24) = 0
[pid 27603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27603] setpgid(0, 0)               = 0
[pid 27603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27603] write(3, "1000", 4)         = 4
[pid 27603] close(3executing program
)                    = 0
[pid 27603] write(1, "executing program\n", 18) = 18
[pid 27603] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27603] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27603] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27603] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27603] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27603] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27603] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27603] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27603] exit_group(0)               = ?
[pid 27603] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27603, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f76650) = 27604
./strace-static-x86_64: Process 27604 attached
[pid 27604] set_robust_list(0x555555f76660, 24) = 0
[pid 27604] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27604] setpgid(0, 0)               = 0
[pid 27604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27604] write(3, "1000", 4)         = 4
[pid 27604] close(3)                    = 0
[pid 27604] write(1, "executing program\n", 18executing program
) = 18
[pid 27604] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27604] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27604] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27604] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27604] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27604] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27604] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27604] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27604] exit_group(0)               = ?
[pid 27604] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27604, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 27605 attached
, child_tidptr=0x555555f76650) = 27605
[pid 27605] set_robust_list(0x555555f76660, 24) = 0
[pid 27605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 27605] setpgid(0, 0)               = 0
[pid 27605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 27605] write(3, "1000", 4)         = 4
[pid 27605] close(3executing program
)                    = 0
[pid 27605] write(1, "executing program\n", 18) = 18
[pid 27605] perf_event_open({type=PERF_TYPE_HARDWARE, size=PERF_ATTR_SIZE_VER7, config=0x400 /* PERF_COUNT_HW_??? */, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = -1 ENOENT (No such file or directory)
[pid 27605] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27605] openat(AT_FDCWD, "blkio.bfq.time", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = -1 EEXIST (File exists)
[pid 27605] write(-1, "\x74\x68\x72\x65\x61\x64\x65\x64\x00", 9) = -1 EBADF (Bad file descriptor)
[pid 27605] ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0x2a, 0x20), 0x20000040) = -1 EBADF (Bad file descriptor)
[pid 27605] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 3
[pid 27605] ioctl(3, _IOC(_IOC_WRITE, 0x58, 0x2a, 0x30), 0x20000040) = -1 EINVAL (Invalid argument)
[pid 27605] write(-1, NULL, 0)          = -1 EBADF (Bad file descriptor)
[pid 27605] exit_group(0)               = ?
[pid 27605] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27605, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---