./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1739527244 <...> Warning: Permanently added '10.128.0.160' (ECDSA) to the list of known hosts. execve("./syz-executor1739527244", ["./syz-executor1739527244"], 0x7ffde157e6e0 /* 10 vars */) = 0 brk(NULL) = 0x55555675d000 brk(0x55555675dc40) = 0x55555675dc40 arch_prctl(ARCH_SET_FS, 0x55555675d300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x55555675d5d0) = 3641 set_robust_list(0x55555675d5e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7fcfc23c3210, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7fcfc23c38e0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7fcfc23c32b0, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcfc23c38e0}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1739527244", 4096) = 28 brk(0x55555677ec40) = 0x55555677ec40 brk(0x55555677f000) = 0x55555677f000 mprotect(0x7fcfc2483000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3642 attached , child_tidptr=0x55555675d5d0) = 3642 [pid 3641] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3642] set_robust_list(0x55555675d5e0, 24) = 0 [pid 3641] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3643 [pid 3641] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3642] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3641] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3644 [pid 3641] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3645 attached ./strace-static-x86_64: Process 3644 attached ./strace-static-x86_64: Process 3643 attached , child_tidptr=0x55555675d5d0) = 3646 [pid 3641] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3642] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3645 [pid 3645] set_robust_list(0x55555675d5e0, 24 [pid 3644] set_robust_list(0x55555675d5e0, 24 [pid 3645] <... set_robust_list resumed>) = 0 [pid 3643] set_robust_list(0x55555675d5e0, 24./strace-static-x86_64: Process 3646 attached ./strace-static-x86_64: Process 3647 attached [pid 3644] <... set_robust_list resumed>) = 0 [pid 3641] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3647 [pid 3641] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3646] set_robust_list(0x55555675d5e0, 24) = 0 [pid 3644] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3646] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3649 attached [pid 3645] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3643] <... set_robust_list resumed>) = 0 [pid 3646] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3649 [pid 3645] <... prctl resumed>) = 0 [pid 3641] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3648 [pid 3645] setpgid(0, 0 [pid 3644] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3650 [pid 3643] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3650 attached ./strace-static-x86_64: Process 3648 attached [pid 3649] set_robust_list(0x55555675d5e0, 24 [pid 3647] set_robust_list(0x55555675d5e0, 24 [pid 3645] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 3651 attached [pid 3650] set_robust_list(0x55555675d5e0, 24 [pid 3649] <... set_robust_list resumed>) = 0 [pid 3648] set_robust_list(0x55555675d5e0, 24 [pid 3647] <... set_robust_list resumed>) = 0 [pid 3645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3651] set_robust_list(0x55555675d5e0, 24 [pid 3650] <... set_robust_list resumed>) = 0 [pid 3649] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3648] <... set_robust_list resumed>) = 0 [pid 3647] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3651] <... set_robust_list resumed>) = 0 [pid 3650] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3649] <... prctl resumed>) = 0 [pid 3648] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3645] <... openat resumed>) = 3 [pid 3643] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3651 ./strace-static-x86_64: Process 3653 attached ./strace-static-x86_64: Process 3652 attached [pid 3651] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3650] <... prctl resumed>) = 0 [pid 3649] setpgid(0, 0) = 0 [pid 3648] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3653 [pid 3645] write(3, "1000", 4 [pid 3650] setpgid(0, 0 [pid 3647] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3652 [pid 3652] set_robust_list(0x55555675d5e0, 24 [pid 3651] <... prctl resumed>) = 0 [pid 3649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3650] <... setpgid resumed>) = 0 [pid 3649] <... openat resumed>) = 3 [pid 3645] <... write resumed>) = 4 [pid 3653] set_robust_list(0x55555675d5e0, 24 [pid 3652] <... set_robust_list resumed>) = 0 [pid 3651] setpgid(0, 0 [pid 3650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3649] write(3, "1000", 4 [pid 3645] close(3 [pid 3653] <... set_robust_list resumed>) = 0 [pid 3651] <... setpgid resumed>) = 0 [pid 3650] <... openat resumed>) = 3 [pid 3649] <... write resumed>) = 4 [pid 3645] <... close resumed>) = 0 [pid 3653] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3652] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3650] write(3, "1000", 4 [pid 3649] close(3 [pid 3645] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3653] <... prctl resumed>) = 0 [pid 3652] <... prctl resumed>) = 0 [pid 3651] <... openat resumed>) = 3 [pid 3650] <... write resumed>) = 4 [pid 3649] <... close resumed>) = 0 [pid 3645] <... futex resumed>) = 0 [pid 3653] setpgid(0, 0 [pid 3652] setpgid(0, 0 [pid 3651] write(3, "1000", 4 [pid 3650] close(3 [pid 3649] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3653] <... setpgid resumed>) = 0 [pid 3652] <... setpgid resumed>) = 0 [pid 3651] <... write resumed>) = 4 [pid 3650] <... close resumed>) = 0 [pid 3649] <... futex resumed>) = 0 [pid 3645] <... mmap resumed>) = 0x7fcfc2393000 [pid 3653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3651] close(3 [pid 3650] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3649] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3645] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3653] <... openat resumed>) = 3 [pid 3651] <... close resumed>) = 0 [pid 3650] <... futex resumed>) = 0 [pid 3649] <... mmap resumed>) = 0x7fcfc2393000 [pid 3645] <... mprotect resumed>) = 0 [pid 3653] write(3, "1000", 4 [pid 3652] <... openat resumed>) = 3 [pid 3651] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3649] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3645] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3653] <... write resumed>) = 4 [pid 3652] write(3, "1000", 4 [pid 3651] <... futex resumed>) = 0 [pid 3650] <... mmap resumed>) = 0x7fcfc2393000 [pid 3649] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 3654 attached [pid 3653] close(3 [pid 3652] <... write resumed>) = 4 [pid 3651] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3650] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3649] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3645] <... clone resumed>, parent_tid=[3654], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3654 [pid 3653] <... close resumed>) = 0 [pid 3652] close(3 [pid 3651] <... mmap resumed>) = 0x7fcfc2393000 [pid 3650] <... mprotect resumed>) = 0 [pid 3645] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3654] set_robust_list(0x7fcfc23b39e0, 24 [pid 3653] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3652] <... close resumed>) = 0 [pid 3651] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3650] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3649] <... clone resumed>, parent_tid=[3655], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3655 [pid 3645] <... futex resumed>) = 0 [pid 3653] <... futex resumed>) = 0 [pid 3652] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3651] <... mprotect resumed>) = 0 [pid 3649] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3652] <... futex resumed>) = 0 [pid 3651] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3650] <... clone resumed>, parent_tid=[3656], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3656 [pid 3649] <... futex resumed>) = 0 [pid 3645] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3656 attached [pid 3654] <... set_robust_list resumed>) = 0 [pid 3653] <... mmap resumed>) = 0x7fcfc2393000 [pid 3652] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3650] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3649] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3653] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3652] <... mmap resumed>) = 0x7fcfc2393000 [pid 3651] <... clone resumed>, parent_tid=[3657], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3657 [pid 3650] <... futex resumed>) = 0 [pid 3654] perf_event_open(./strace-static-x86_64: Process 3655 attached [pid 3653] <... mprotect resumed>) = 0 [pid 3652] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3651] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3650] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3655] set_robust_list(0x7fcfc23b39e0, 24 [pid 3653] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3655] <... set_robust_list resumed>) = 0 [pid 3652] <... mprotect resumed>) = 0 [pid 3651] <... futex resumed>) = 0 [pid 3655] perf_event_open( [pid 3654] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3653] <... clone resumed>, parent_tid=[3658], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3658 [pid 3652] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3651] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3656] set_robust_list(0x7fcfc23b39e0, 24 [pid 3655] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3653] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3656] <... set_robust_list resumed>) = 0 [pid 3655] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3654] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3653] <... futex resumed>) = 0 [pid 3652] <... clone resumed>, parent_tid=[3659], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3659 ./strace-static-x86_64: Process 3659 attached ./strace-static-x86_64: Process 3658 attached ./strace-static-x86_64: Process 3657 attached [pid 3656] perf_event_open( [pid 3655] <... futex resumed>) = 1 [pid 3654] <... futex resumed>) = 1 [pid 3653] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3652] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3649] <... futex resumed>) = 0 [pid 3645] <... futex resumed>) = 0 [pid 3659] set_robust_list(0x7fcfc23b39e0, 24 [pid 3658] set_robust_list(0x7fcfc23b39e0, 24 [pid 3657] set_robust_list(0x7fcfc23b39e0, 24 [pid 3656] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3655] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3654] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3652] <... futex resumed>) = 0 [pid 3649] exit_group(0 [pid 3645] exit_group(0 [pid 3659] <... set_robust_list resumed>) = 0 [pid 3658] <... set_robust_list resumed>) = 0 [pid 3657] <... set_robust_list resumed>) = 0 [pid 3656] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3655] <... futex resumed>) = ? [pid 3654] <... futex resumed>) = ? [pid 3652] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3649] <... exit_group resumed>) = ? [pid 3645] <... exit_group resumed>) = ? [pid 3659] perf_event_open( [pid 3658] perf_event_open( [pid 3657] perf_event_open( [pid 3656] <... futex resumed>) = 1 [pid 3655] +++ exited with 0 +++ [pid 3654] +++ exited with 0 +++ [pid 3650] <... futex resumed>) = 0 [pid 3649] +++ exited with 0 +++ [pid 3658] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3645] +++ exited with 0 +++ [pid 3659] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3658] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3656] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3650] exit_group(0 [pid 3646] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3649, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3657] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3642] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3645, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3659] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3658] <... futex resumed>) = 1 [pid 3657] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3656] <... futex resumed>) = ? [pid 3653] <... futex resumed>) = 0 [pid 3650] <... exit_group resumed>) = ? [pid 3646] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3659] <... futex resumed>) = 1 [pid 3658] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3656] +++ exited with 0 +++ [pid 3653] exit_group(0 [pid 3652] <... futex resumed>) = 0 [pid 3659] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3658] <... futex resumed>) = ? [pid 3657] <... futex resumed>) = 1 [pid 3653] <... exit_group resumed>) = ? [pid 3652] exit_group(0 [pid 3651] <... futex resumed>) = 0 [pid 3650] +++ exited with 0 +++ [pid 3646] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3660 [pid 3659] <... futex resumed>) = ? [pid 3658] +++ exited with 0 +++ [pid 3657] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3653] +++ exited with 0 +++ [pid 3652] <... exit_group resumed>) = ? [pid 3651] exit_group(0 [pid 3644] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3650, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3659] +++ exited with 0 +++ [pid 3648] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3653, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3644] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3642] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3661 attached [pid 3657] <... futex resumed>) = ? [pid 3652] +++ exited with 0 +++ [pid 3651] <... exit_group resumed>) = ? [pid 3657] +++ exited with 0 +++ [pid 3648] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3642] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3661 [pid 3651] +++ exited with 0 +++ [pid 3647] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3652, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3644] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3663 attached ./strace-static-x86_64: Process 3662 attached [pid 3661] set_robust_list(0x55555675d5e0, 24 [pid 3648] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3662 [pid 3643] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3651, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 3660 attached [pid 3661] <... set_robust_list resumed>) = 0 [pid 3644] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3663 [pid 3661] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3660] set_robust_list(0x55555675d5e0, 24 [pid 3647] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3643] restart_syscall(<... resuming interrupted clone ...> [pid 3662] set_robust_list(0x55555675d5e0, 24 [pid 3660] <... set_robust_list resumed>) = 0 [pid 3660] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3643] <... restart_syscall resumed>) = 0 [pid 3660] <... prctl resumed>) = 0 [pid 3661] <... prctl resumed>) = 0 [pid 3660] setpgid(0, 0 [pid 3661] setpgid(0, 0) = 0 [pid 3660] <... setpgid resumed>) = 0 [pid 3647] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3664 [pid 3662] <... set_robust_list resumed>) = 0 [pid 3661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3643] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3661] <... openat resumed>) = 3 [pid 3660] <... openat resumed>) = 3 ./strace-static-x86_64: Process 3664 attached [pid 3660] write(3, "1000", 4 [pid 3664] set_robust_list(0x55555675d5e0, 24 [pid 3662] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3661] write(3, "1000", 4 [pid 3660] <... write resumed>) = 4 ./strace-static-x86_64: Process 3665 attached [pid 3664] <... set_robust_list resumed>) = 0 [pid 3663] set_robust_list(0x55555675d5e0, 24 [pid 3662] <... prctl resumed>) = 0 [pid 3661] <... write resumed>) = 4 [pid 3660] close(3 [pid 3643] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3665 [pid 3665] set_robust_list(0x55555675d5e0, 24 [pid 3664] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3663] <... set_robust_list resumed>) = 0 [pid 3662] setpgid(0, 0 [pid 3661] close(3 [pid 3660] <... close resumed>) = 0 [pid 3664] <... prctl resumed>) = 0 [pid 3662] <... setpgid resumed>) = 0 [pid 3661] <... close resumed>) = 0 [pid 3663] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3660] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3665] <... set_robust_list resumed>) = 0 [pid 3664] setpgid(0, 0 [pid 3662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3661] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3660] <... futex resumed>) = 0 [pid 3663] <... prctl resumed>) = 0 [pid 3664] <... setpgid resumed>) = 0 [pid 3662] <... openat resumed>) = 3 [pid 3661] <... futex resumed>) = 0 [pid 3660] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3665] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3663] setpgid(0, 0 [pid 3662] write(3, "1000", 4 [pid 3661] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3660] <... mmap resumed>) = 0x7fcfc2393000 [pid 3665] <... prctl resumed>) = 0 [pid 3664] <... openat resumed>) = 3 [pid 3663] <... setpgid resumed>) = 0 [pid 3662] <... write resumed>) = 4 [pid 3661] <... mmap resumed>) = 0x7fcfc2393000 [pid 3660] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3665] setpgid(0, 0 [pid 3664] write(3, "1000", 4 [pid 3663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3662] close(3 [pid 3661] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3660] <... mprotect resumed>) = 0 [pid 3664] <... write resumed>) = 4 [pid 3662] <... close resumed>) = 0 [pid 3661] <... mprotect resumed>) = 0 [pid 3660] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3665] <... setpgid resumed>) = 0 [pid 3664] close(3 [pid 3663] <... openat resumed>) = 3 [pid 3662] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3661] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3664] <... close resumed>) = 0 [pid 3663] write(3, "1000", 4 [pid 3662] <... futex resumed>) = 0 [pid 3660] <... clone resumed>, parent_tid=[3666], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3666 [pid 3665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3664] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3663] <... write resumed>) = 4 [pid 3662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3661] <... clone resumed>, parent_tid=[3667], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3667 [pid 3660] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3664] <... futex resumed>) = 0 [pid 3663] close(3 [pid 3662] <... mmap resumed>) = 0x7fcfc2393000 [pid 3661] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3660] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3667 attached [pid 3665] <... openat resumed>) = 3 [pid 3664] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3663] <... close resumed>) = 0 [pid 3662] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3661] <... futex resumed>) = 0 [pid 3660] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3667] set_robust_list(0x7fcfc23b39e0, 24 [pid 3665] write(3, "1000", 4 [pid 3664] <... mmap resumed>) = 0x7fcfc2393000 [pid 3663] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3662] <... mprotect resumed>) = 0 [pid 3661] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3667] <... set_robust_list resumed>) = 0 [pid 3665] <... write resumed>) = 4 [pid 3664] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3663] <... futex resumed>) = 0 [pid 3662] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3666 attached [pid 3667] perf_event_open( [pid 3665] close(3 [pid 3664] <... mprotect resumed>) = 0 [pid 3663] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3667] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3666] set_robust_list(0x7fcfc23b39e0, 24 [pid 3665] <... close resumed>) = 0 [pid 3664] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3669 attached [pid 3667] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3666] <... set_robust_list resumed>) = 0 [pid 3665] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3663] <... mmap resumed>) = 0x7fcfc2393000 [pid 3662] <... clone resumed>, parent_tid=[3668], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3668 [pid 3667] <... futex resumed>) = 1 [pid 3666] perf_event_open( [pid 3665] <... futex resumed>) = 0 [pid 3664] <... clone resumed>, parent_tid=[3669], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3669 [pid 3663] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3662] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3661] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3668 attached [pid 3669] set_robust_list(0x7fcfc23b39e0, 24 [pid 3667] --- SIGTRAP {si_signo=SIGTRAP, si_code=TRAP_PERF, si_pid=-2079625736, si_uid=-1, si_int=3155, si_ptr=0xc53} --- [pid 3666] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3665] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3664] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3663] <... mprotect resumed>) = 0 [pid 3662] <... futex resumed>) = 0 [pid 3661] read(-1035431168, [pid 3669] <... set_robust_list resumed>) = 0 [pid 3668] set_robust_list(0x7fcfc23b39e0, 24 [pid 3666] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3665] <... mmap resumed>) = 0x7fcfc2393000 [pid 3664] <... futex resumed>) = 0 [pid 3663] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3662] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3669] perf_event_open( [pid 3668] <... set_robust_list resumed>) = 0 [pid 3667] +++ killed by SIGTRAP +++ [pid 3666] <... futex resumed>) = 1 [pid 3665] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3664] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3661] +++ killed by SIGTRAP +++ [pid 3660] <... futex resumed>) = 0 [pid 3666] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3665] <... mprotect resumed>) = 0 [pid 3663] <... clone resumed>, parent_tid=[3670], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3670 [pid 3660] exit_group(0 [pid 3642] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=3661, si_uid=0, si_status=SIGTRAP, si_utime=0, si_stime=1} --- [pid 3669] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3666] <... futex resumed>) = ? [pid 3665] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3663] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3660] <... exit_group resumed>) = ? [pid 3669] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3668] perf_event_open( [pid 3666] +++ exited with 0 +++ [pid 3663] <... futex resumed>) = 0 [pid 3660] +++ exited with 0 +++ ./strace-static-x86_64: Process 3670 attached [pid 3669] <... futex resumed>) = 1 [pid 3665] <... clone resumed>, parent_tid=[3671], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3671 [pid 3664] <... futex resumed>) = 0 [pid 3663] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3642] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3672 attached [pid 3670] set_robust_list(0x7fcfc23b39e0, 24 [pid 3669] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3668] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3665] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3664] exit_group(0 [pid 3646] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3660, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3670] <... set_robust_list resumed>) = 0 [pid 3669] <... futex resumed>) = ? [pid 3665] <... futex resumed>) = 0 [pid 3664] <... exit_group resumed>) = ? [pid 3646] restart_syscall(<... resuming interrupted clone ...> [pid 3642] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3672 ./strace-static-x86_64: Process 3671 attached [pid 3672] set_robust_list(0x55555675d5e0, 24 [pid 3670] perf_event_open( [pid 3669] +++ exited with 0 +++ [pid 3668] --- SIGTRAP {si_signo=SIGTRAP, si_code=TRAP_PERF, si_pid=-2079625736, si_uid=-1, si_int=3155, si_ptr=0xc53} --- [pid 3665] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3664] +++ exited with 0 +++ [pid 3646] <... restart_syscall resumed>) = 0 [pid 3672] <... set_robust_list resumed>) = 0 [pid 3671] set_robust_list(0x7fcfc23b39e0, 24 [pid 3670] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3647] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3664, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3662] <... futex resumed>) = ? [pid 3671] <... set_robust_list resumed>) = 0 [pid 3670] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3671] perf_event_open( [pid 3670] <... futex resumed>) = 1 [pid 3663] <... futex resumed>) = 0 [pid 3671] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3670] --- SIGTRAP {si_signo=SIGTRAP, si_code=TRAP_PERF, si_pid=-2079625736, si_uid=-1, si_int=3155, si_ptr=0xc53} --- [pid 3663] close(536878592 [pid 3646] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3671] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3670] +++ killed by SIGTRAP +++ [pid 3668] +++ killed by SIGTRAP +++ [pid 3665] <... futex resumed>) = 0 [pid 3663] +++ killed by SIGTRAP +++ [pid 3662] +++ killed by SIGTRAP +++ [pid 3672] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3671] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3665] exit_group(0 [pid 3671] <... futex resumed>) = ? [pid 3665] <... exit_group resumed>) = ? [pid 3648] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=3662, si_uid=0, si_status=SIGTRAP, si_utime=0, si_stime=0} --- [pid 3646] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3673 [pid 3644] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=3663, si_uid=0, si_status=SIGTRAP, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 3673 attached [pid 3672] <... prctl resumed>) = 0 [pid 3671] +++ exited with 0 +++ [pid 3644] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3644] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3674 attached [pid 3672] setpgid(0, 0 [pid 3665] +++ exited with 0 +++ [pid 3648] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3673] set_robust_list(0x55555675d5e0, 24 [pid 3647] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3644] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3674 [pid 3672] <... setpgid resumed>) = 0 [pid 3672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3672] write(3, "1000", 4) = 4 [pid 3648] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3675 [pid 3672] close(3) = 0 [pid 3647] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3676 [pid 3643] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3665, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3673] <... set_robust_list resumed>) = 0 [pid 3672] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 3675 attached [pid 3673] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3672] <... mmap resumed>) = 0x7fcfc2393000 [pid 3643] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 3676 attached [pid 3675] set_robust_list(0x55555675d5e0, 24 [pid 3674] set_robust_list(0x55555675d5e0, 24 [pid 3673] <... prctl resumed>) = 0 [pid 3672] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3643] <... restart_syscall resumed>) = 0 [pid 3675] <... set_robust_list resumed>) = 0 [pid 3673] setpgid(0, 0 [pid 3672] <... mprotect resumed>) = 0 [pid 3676] set_robust_list(0x55555675d5e0, 24 [pid 3675] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3674] <... set_robust_list resumed>) = 0 [pid 3673] <... setpgid resumed>) = 0 [pid 3672] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3675] <... prctl resumed>) = 0 [pid 3675] setpgid(0, 0 [pid 3673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3672] <... clone resumed>, parent_tid=[3677], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3677 [pid 3643] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3675] <... setpgid resumed>) = 0 [pid 3672] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3673] <... openat resumed>) = 3 [pid 3675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3672] <... futex resumed>) = 0 [pid 3675] <... openat resumed>) = 3 [pid 3673] write(3, "1000", 4 [pid 3672] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3675] write(3, "1000", 4 [pid 3673] <... write resumed>) = 4 [pid 3643] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3678 [pid 3675] <... write resumed>) = 4 [pid 3673] close(3 [pid 3675] close(3 [pid 3673] <... close resumed>) = 0 [pid 3675] <... close resumed>) = 0 [pid 3673] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 3677 attached [pid 3675] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3673] <... futex resumed>) = 0 [pid 3677] set_robust_list(0x7fcfc23b39e0, 24 [pid 3675] <... futex resumed>) = 0 [pid 3673] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3677] <... set_robust_list resumed>) = 0 [pid 3675] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 3678 attached [pid 3677] perf_event_open( [pid 3675] <... mmap resumed>) = 0x7fcfc2393000 [pid 3674] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3673] <... mmap resumed>) = 0x7fcfc2393000 [pid 3676] <... set_robust_list resumed>) = 0 [pid 3677] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3675] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3674] <... prctl resumed>) = 0 [pid 3673] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3677] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3676] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3675] <... mprotect resumed>) = 0 [pid 3673] <... mprotect resumed>) = 0 [pid 3677] <... futex resumed>) = 1 [pid 3676] <... prctl resumed>) = 0 [pid 3675] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3674] setpgid(0, 0 [pid 3672] <... futex resumed>) = 0 [pid 3673] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3678] set_robust_list(0x55555675d5e0, 24 [pid 3677] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3676] setpgid(0, 0 [pid 3674] <... setpgid resumed>) = 0 [pid 3672] exit_group(0 [pid 3678] <... set_robust_list resumed>) = 0 [pid 3677] <... futex resumed>) = ? [pid 3676] <... setpgid resumed>) = 0 [pid 3675] <... clone resumed>, parent_tid=[3679], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3679 [pid 3674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3673] <... clone resumed>, parent_tid=[3680], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3680 [pid 3672] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 3680 attached [pid 3678] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3677] +++ exited with 0 +++ [pid 3676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3675] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3674] <... openat resumed>) = 3 [pid 3673] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3672] +++ exited with 0 +++ [pid 3680] set_robust_list(0x7fcfc23b39e0, 24 [pid 3678] <... prctl resumed>) = 0 [pid 3675] <... futex resumed>) = 0 [pid 3674] write(3, "1000", 4 [pid 3673] <... futex resumed>) = 0 [pid 3678] setpgid(0, 0 [pid 3676] <... openat resumed>) = 3 [pid 3675] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3674] <... write resumed>) = 4 [pid 3673] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3678] <... setpgid resumed>) = 0 [pid 3676] write(3, "1000", 4 [pid 3674] close(3 [pid 3642] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3672, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 3679 attached [pid 3676] <... write resumed>) = 4 [pid 3674] <... close resumed>) = 0 [pid 3642] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3679] set_robust_list(0x7fcfc23b39e0, 24 [pid 3678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3676] close(3 [pid 3674] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3679] <... set_robust_list resumed>) = 0 [pid 3679] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3679] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3676] <... close resumed>) = 0 [pid 3674] <... futex resumed>) = 0 [pid 3642] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3681 [pid 3679] <... futex resumed>) = 1 [pid 3678] <... openat resumed>) = 3 [pid 3676] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3675] <... futex resumed>) = 0 [pid 3674] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3680] <... set_robust_list resumed>) = 0 [pid 3679] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3678] write(3, "1000", 4 [pid 3676] <... futex resumed>) = 0 [pid 3675] exit_group(0 [pid 3674] <... mmap resumed>) = 0x7fcfc2393000 ./strace-static-x86_64: Process 3681 attached [pid 3679] <... futex resumed>) = ? [pid 3678] <... write resumed>) = 4 [pid 3676] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3675] <... exit_group resumed>) = ? [pid 3674] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3681] set_robust_list(0x55555675d5e0, 24 [pid 3680] perf_event_open( [pid 3679] +++ exited with 0 +++ [pid 3678] close(3 [pid 3676] <... mmap resumed>) = 0x7fcfc2393000 [pid 3675] +++ exited with 0 +++ [pid 3678] <... close resumed>) = 0 [pid 3676] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3674] <... mprotect resumed>) = 0 [pid 3681] <... set_robust_list resumed>) = 0 [pid 3648] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3675, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3681] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3678] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3676] <... mprotect resumed>) = 0 [pid 3674] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3680] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3648] restart_syscall(<... resuming interrupted clone ...> [pid 3681] <... prctl resumed>) = 0 [pid 3678] <... futex resumed>) = 0 [pid 3676] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3648] <... restart_syscall resumed>) = 0 [pid 3681] setpgid(0, 0) = 0 [pid 3681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3680] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3678] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3674] <... clone resumed>, parent_tid=[3682], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3682 [pid 3648] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3681] <... openat resumed>) = 3 [pid 3676] <... clone resumed>, parent_tid=[3683], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3683 [pid 3674] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3681] write(3, "1000", 4) = 4 [pid 3674] <... futex resumed>) = 0 [pid 3648] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3684 [pid 3676] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 3682 attached [pid 3681] close(3 [pid 3678] <... mmap resumed>) = 0x7fcfc2393000 [pid 3676] <... futex resumed>) = 0 [pid 3674] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3673] <... futex resumed>) = 0 [pid 3680] <... futex resumed>) = 1 [pid 3682] set_robust_list(0x7fcfc23b39e0, 24 [pid 3681] <... close resumed>) = 0 [pid 3678] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3676] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3680] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3673] exit_group(0./strace-static-x86_64: Process 3684 attached ./strace-static-x86_64: Process 3683 attached [pid 3682] <... set_robust_list resumed>) = 0 [pid 3681] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3673] <... exit_group resumed>) = ? [pid 3678] <... mprotect resumed>) = 0 [pid 3680] <... futex resumed>) = ? [pid 3684] set_robust_list(0x55555675d5e0, 24 [pid 3683] set_robust_list(0x7fcfc23b39e0, 24 [pid 3682] perf_event_open( [pid 3681] <... futex resumed>) = 0 [pid 3684] <... set_robust_list resumed>) = 0 [pid 3683] <... set_robust_list resumed>) = 0 [pid 3682] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3678] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3684] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3683] perf_event_open( [pid 3682] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3681] <... mmap resumed>) = 0x7fcfc2393000 [pid 3684] <... prctl resumed>) = 0 [pid 3683] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3682] <... futex resumed>) = 1 [pid 3681] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3678] <... clone resumed>, parent_tid=[3685], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3685 [pid 3674] <... futex resumed>) = 0 [pid 3684] setpgid(0, 0 [pid 3683] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3682] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3681] <... mprotect resumed>) = 0 [pid 3678] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3674] exit_group(0 [pid 3684] <... setpgid resumed>) = 0 [pid 3683] <... futex resumed>) = 1 [pid 3682] <... futex resumed>) = ? [pid 3681] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3678] <... futex resumed>) = 0 [pid 3676] <... futex resumed>) = 0 [pid 3674] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 3685 attached [pid 3684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3683] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3682] +++ exited with 0 +++ [pid 3680] +++ exited with 0 +++ [pid 3678] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3676] exit_group(0 [pid 3673] +++ exited with 0 +++ [pid 3685] set_robust_list(0x7fcfc23b39e0, 24 [pid 3684] <... openat resumed>) = 3 [pid 3681] <... clone resumed>, parent_tid=[3686], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3686 [pid 3674] +++ exited with 0 +++ [pid 3685] <... set_robust_list resumed>) = 0 [pid 3684] write(3, "1000", 4 [pid 3683] <... futex resumed>) = ? [pid 3681] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3676] <... exit_group resumed>) = ? [pid 3646] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3673, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3644] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3674, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 3686 attached [pid 3685] perf_event_open( [pid 3684] <... write resumed>) = 4 [pid 3683] +++ exited with 0 +++ [pid 3681] <... futex resumed>) = 0 [pid 3685] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3684] close(3 [pid 3681] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3685] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3684] <... close resumed>) = 0 [pid 3676] +++ exited with 0 +++ [pid 3685] <... futex resumed>) = 1 [pid 3684] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3678] <... futex resumed>) = 0 [pid 3685] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3684] <... futex resumed>) = 0 [pid 3647] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3676, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3684] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3678] exit_group(0 [pid 3647] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3686] set_robust_list(0x7fcfc23b39e0, 24 [pid 3685] <... futex resumed>) = ? [pid 3684] <... mmap resumed>) = 0x7fcfc2393000 [pid 3678] <... exit_group resumed>) = ? [pid 3685] +++ exited with 0 +++ [pid 3684] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3644] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3684] <... mprotect resumed>) = 0 [pid 3684] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3678] +++ exited with 0 +++ [pid 3647] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3687 [pid 3646] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3644] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3688 [pid 3686] <... set_robust_list resumed>) = 0 [pid 3684] <... clone resumed>, parent_tid=[3689], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3689 [pid 3684] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3684] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3646] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3690 [pid 3643] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3678, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3686] perf_event_open(./strace-static-x86_64: Process 3687 attached [pid 3687] set_robust_list(0x55555675d5e0, 24 [pid 3686] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3643] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3687] <... set_robust_list resumed>) = 0 [pid 3686] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3687] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3687] setpgid(0, 0) = 0 [pid 3686] <... futex resumed>) = 1 [pid 3681] <... futex resumed>) = 0 [pid 3643] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3691 ./strace-static-x86_64: Process 3691 attached ./strace-static-x86_64: Process 3690 attached ./strace-static-x86_64: Process 3689 attached ./strace-static-x86_64: Process 3688 attached [pid 3687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3686] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3681] exit_group(0 [pid 3691] set_robust_list(0x55555675d5e0, 24 [pid 3690] set_robust_list(0x55555675d5e0, 24 [pid 3689] set_robust_list(0x7fcfc23b39e0, 24 [pid 3688] set_robust_list(0x55555675d5e0, 24 [pid 3687] <... openat resumed>) = 3 [pid 3686] <... futex resumed>) = ? [pid 3681] <... exit_group resumed>) = ? [pid 3688] <... set_robust_list resumed>) = 0 [pid 3687] write(3, "1000", 4 [pid 3688] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3687] <... write resumed>) = 4 [pid 3688] <... prctl resumed>) = 0 [pid 3687] close(3 [pid 3688] setpgid(0, 0 [pid 3687] <... close resumed>) = 0 [pid 3688] <... setpgid resumed>) = 0 [pid 3687] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3687] <... futex resumed>) = 0 [pid 3688] <... openat resumed>) = 3 [pid 3687] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3690] <... set_robust_list resumed>) = 0 [pid 3688] write(3, "1000", 4 [pid 3687] <... mmap resumed>) = 0x7fcfc2393000 [pid 3689] <... set_robust_list resumed>) = 0 [pid 3688] <... write resumed>) = 4 [pid 3687] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3691] <... set_robust_list resumed>) = 0 [pid 3690] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3689] perf_event_open( [pid 3688] close(3 [pid 3687] <... mprotect resumed>) = 0 [pid 3690] <... prctl resumed>) = 0 [pid 3689] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3688] <... close resumed>) = 0 [pid 3687] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3691] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3690] setpgid(0, 0 [pid 3689] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3688] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3690] <... setpgid resumed>) = 0 [pid 3688] <... futex resumed>) = 0 [pid 3687] <... clone resumed>, parent_tid=[3692], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3692 [pid 3684] <... futex resumed>) = 0 [pid 3689] <... futex resumed>) = 1 [pid 3688] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3687] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3684] exit_group(0 [pid 3691] <... prctl resumed>) = 0 [pid 3690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3688] <... mmap resumed>) = 0x7fcfc2393000 [pid 3687] <... futex resumed>) = 0 [pid 3684] <... exit_group resumed>) = ? [pid 3688] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3687] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3686] +++ exited with 0 +++ [pid 3681] +++ exited with 0 +++ [pid 3691] setpgid(0, 0 [pid 3690] <... openat resumed>) = 3 [pid 3688] <... mprotect resumed>) = 0 [pid 3691] <... setpgid resumed>) = 0 [pid 3690] write(3, "1000", 4 [pid 3688] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3692 attached [pid 3692] set_robust_list(0x7fcfc23b39e0, 24 [pid 3688] <... clone resumed>, parent_tid=[3693], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3693 [pid 3642] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3681, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3692] <... set_robust_list resumed>) = 0 [pid 3691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3690] <... write resumed>) = 4 [pid 3688] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3642] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3692] perf_event_open( [pid 3690] close(3 [pid 3688] <... futex resumed>) = 0 [pid 3692] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3688] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3692] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3691] <... openat resumed>) = 3 [pid 3690] <... close resumed>) = 0 [pid 3687] <... futex resumed>) = 0 [pid 3642] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3694 [pid 3692] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3691] write(3, "1000", 4 [pid 3690] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3687] exit_group(0./strace-static-x86_64: Process 3693 attached [pid 3692] <... futex resumed>) = ? [pid 3687] <... exit_group resumed>) = ? [pid 3690] <... futex resumed>) = 0 [pid 3691] <... write resumed>) = 4 [pid 3693] set_robust_list(0x7fcfc23b39e0, 24 [pid 3692] +++ exited with 0 +++ [pid 3691] close(3 [pid 3690] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3687] +++ exited with 0 +++ [pid 3693] <... set_robust_list resumed>) = 0 [pid 3693] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3691] <... close resumed>) = 0 [pid 3690] <... mmap resumed>) = 0x7fcfc2393000 [pid 3647] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3687, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 3694 attached [pid 3693] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3691] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3690] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3689] +++ exited with 0 +++ [pid 3684] +++ exited with 0 +++ [pid 3647] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3693] <... futex resumed>) = 1 [pid 3691] <... futex resumed>) = 0 [pid 3688] <... futex resumed>) = 0 [pid 3693] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3688] exit_group(0 [pid 3693] <... futex resumed>) = ? [pid 3688] <... exit_group resumed>) = ? [pid 3648] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3684, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3690] <... mprotect resumed>) = 0 [pid 3691] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3694] set_robust_list(0x55555675d5e0, 24 [pid 3693] +++ exited with 0 +++ [pid 3688] +++ exited with 0 +++ [pid 3690] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3647] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3695 [pid 3648] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3644] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3688, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3691] <... mmap resumed>) = 0x7fcfc2393000 [pid 3644] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 3695 attached ) = 0 [pid 3695] set_robust_list(0x55555675d5e0, 24 [pid 3644] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3698 attached [pid 3695] <... set_robust_list resumed>) = 0 [pid 3694] <... set_robust_list resumed>) = 0 [pid 3691] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3695] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3691] <... mprotect resumed>) = 0 [pid 3690] <... clone resumed>, parent_tid=[3697], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3697 [pid 3648] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3696 [pid 3644] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3698 [pid 3694] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3695] <... prctl resumed>) = 0 [pid 3691] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3690] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3694] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 3696 attached [pid 3695] setpgid(0, 0 [pid 3694] setpgid(0, 0 [pid 3690] <... futex resumed>) = 0 [pid 3696] set_robust_list(0x55555675d5e0, 24 [pid 3695] <... setpgid resumed>) = 0 [pid 3694] <... setpgid resumed>) = 0 [pid 3691] <... clone resumed>, parent_tid=[3699], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3699 [pid 3690] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3699 attached ./strace-static-x86_64: Process 3697 attached [pid 3698] set_robust_list(0x55555675d5e0, 24 [pid 3696] <... set_robust_list resumed>) = 0 [pid 3695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3691] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3699] set_robust_list(0x7fcfc23b39e0, 24 [pid 3698] <... set_robust_list resumed>) = 0 [pid 3697] set_robust_list(0x7fcfc23b39e0, 24 [pid 3696] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3695] <... openat resumed>) = 3 [pid 3694] <... openat resumed>) = 3 [pid 3691] <... futex resumed>) = 0 [pid 3699] <... set_robust_list resumed>) = 0 [pid 3698] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3697] <... set_robust_list resumed>) = 0 [pid 3696] <... prctl resumed>) = 0 [pid 3695] write(3, "1000", 4 [pid 3694] write(3, "1000", 4 [pid 3691] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3699] perf_event_open( [pid 3698] <... prctl resumed>) = 0 [pid 3697] perf_event_open( [pid 3696] setpgid(0, 0 [pid 3695] <... write resumed>) = 4 [pid 3694] <... write resumed>) = 4 [pid 3699] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3698] setpgid(0, 0 [pid 3697] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3696] <... setpgid resumed>) = 0 [pid 3695] close(3 [pid 3694] close(3 [pid 3699] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3698] <... setpgid resumed>) = 0 [pid 3697] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3695] <... close resumed>) = 0 [pid 3694] <... close resumed>) = 0 [pid 3699] <... futex resumed>) = 1 [pid 3698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3697] <... futex resumed>) = 1 [pid 3695] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3691] <... futex resumed>) = 0 [pid 3690] <... futex resumed>) = 0 [pid 3694] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3699] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3697] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3696] <... openat resumed>) = 3 [pid 3695] <... futex resumed>) = 0 [pid 3694] <... futex resumed>) = 0 [pid 3691] exit_group(0 [pid 3690] exit_group(0 [pid 3699] <... futex resumed>) = ? [pid 3697] <... futex resumed>) = ? [pid 3696] write(3, "1000", 4 [pid 3695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3694] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3691] <... exit_group resumed>) = ? [pid 3690] <... exit_group resumed>) = ? [pid 3699] +++ exited with 0 +++ [pid 3698] <... openat resumed>) = 3 [pid 3697] +++ exited with 0 +++ [pid 3696] <... write resumed>) = 4 [pid 3695] <... mmap resumed>) = 0x7fcfc2393000 [pid 3694] <... mmap resumed>) = 0x7fcfc2393000 [pid 3691] +++ exited with 0 +++ [pid 3690] +++ exited with 0 +++ [pid 3698] write(3, "1000", 4 [pid 3696] close(3 [pid 3695] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3694] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3643] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3691, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3698] <... write resumed>) = 4 [pid 3696] <... close resumed>) = 0 [pid 3695] <... mprotect resumed>) = 0 [pid 3698] close(3 [pid 3696] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3695] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3694] <... mprotect resumed>) = 0 [pid 3646] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3690, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3643] restart_syscall(<... resuming interrupted clone ...> [pid 3698] <... close resumed>) = 0 [pid 3696] <... futex resumed>) = 0 [pid 3694] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3646] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3643] <... restart_syscall resumed>) = 0 [pid 3698] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3695] <... clone resumed>, parent_tid=[3700], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3700 [pid 3695] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3695] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3694] <... clone resumed>, parent_tid=[3701], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3701 [pid 3696] <... mmap resumed>) = 0x7fcfc2393000 ./strace-static-x86_64: Process 3701 attached [pid 3701] set_robust_list(0x7fcfc23b39e0, 24 [pid 3646] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3702 [pid 3643] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3698] <... futex resumed>) = 0 [pid 3696] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3694] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3701] <... set_robust_list resumed>) = 0 [pid 3701] perf_event_open(./strace-static-x86_64: Process 3702 attached [pid 3694] <... futex resumed>) = 0 [pid 3643] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3703 [pid 3702] set_robust_list(0x55555675d5e0, 24 [pid 3701] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3698] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3696] <... mprotect resumed>) = 0 [pid 3694] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3702] <... set_robust_list resumed>) = 0 [pid 3701] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3698] <... mmap resumed>) = 0x7fcfc2393000 [pid 3696] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3702] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3701] <... futex resumed>) = 0 [pid 3698] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3694] exit_group(0./strace-static-x86_64: Process 3704 attached ./strace-static-x86_64: Process 3703 attached ./strace-static-x86_64: Process 3700 attached [pid 3702] <... prctl resumed>) = 0 [pid 3698] <... mprotect resumed>) = 0 [pid 3696] <... clone resumed>, parent_tid=[3704], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3704 [pid 3694] <... exit_group resumed>) = ? [pid 3704] set_robust_list(0x7fcfc23b39e0, 24 [pid 3703] set_robust_list(0x55555675d5e0, 24 [pid 3702] setpgid(0, 0 [pid 3698] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3696] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3704] <... set_robust_list resumed>) = 0 [pid 3703] <... set_robust_list resumed>) = 0 [pid 3702] <... setpgid resumed>) = 0 [pid 3701] +++ exited with 0 +++ [pid 3700] set_robust_list(0x7fcfc23b39e0, 24 [pid 3694] +++ exited with 0 +++ [pid 3696] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3705 attached [pid 3704] perf_event_open( [pid 3703] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3698] <... clone resumed>, parent_tid=[3705], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3705 [pid 3696] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3704] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3703] <... prctl resumed>) = 0 [pid 3702] <... openat resumed>) = 3 [pid 3700] <... set_robust_list resumed>) = 0 [pid 3698] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3642] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3694, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3705] set_robust_list(0x7fcfc23b39e0, 24 [pid 3704] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3703] setpgid(0, 0 [pid 3702] write(3, "1000", 4 [pid 3698] <... futex resumed>) = 0 [pid 3642] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3705] <... set_robust_list resumed>) = 0 [pid 3704] <... futex resumed>) = 1 [pid 3703] <... setpgid resumed>) = 0 [pid 3702] <... write resumed>) = 4 [pid 3700] perf_event_open( [pid 3698] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3696] <... futex resumed>) = 0 [pid 3705] perf_event_open( [pid 3703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3702] close(3 [pid 3696] exit_group(0 [pid 3705] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3703] <... openat resumed>) = 3 [pid 3702] <... close resumed>) = 0 [pid 3700] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3696] <... exit_group resumed>) = ? [pid 3642] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3706 [pid 3705] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3703] write(3, "1000", 4 [pid 3702] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3705] <... futex resumed>) = 1 [pid 3703] <... write resumed>) = 4 [pid 3702] <... futex resumed>) = 0 [pid 3698] <... futex resumed>) = 0 [pid 3705] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3703] close(3 [pid 3702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3698] exit_group(0./strace-static-x86_64: Process 3706 attached [pid 3705] <... futex resumed>) = ? [pid 3703] <... close resumed>) = 0 [pid 3702] <... mmap resumed>) = 0x7fcfc2393000 [pid 3700] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3698] <... exit_group resumed>) = ? [pid 3706] set_robust_list(0x55555675d5e0, 24 [pid 3705] +++ exited with 0 +++ [pid 3703] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3702] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3706] <... set_robust_list resumed>) = 0 [pid 3703] <... futex resumed>) = 0 [pid 3702] <... mprotect resumed>) = 0 [pid 3706] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3703] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3702] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3700] <... futex resumed>) = 1 [pid 3698] +++ exited with 0 +++ [pid 3695] <... futex resumed>) = 0 [pid 3706] <... prctl resumed>) = 0 [pid 3703] <... mmap resumed>) = 0x7fcfc2393000 [pid 3695] exit_group(0 [pid 3700] --- SIGTRAP {si_signo=SIGTRAP, si_code=TRAP_PERF, si_pid=-2079625736, si_uid=-1, si_int=3155, si_ptr=0xc53} --- [pid 3706] setpgid(0, 0 [pid 3704] +++ exited with 0 +++ [pid 3703] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3702] <... clone resumed>, parent_tid=[3707], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3707 [pid 3696] +++ exited with 0 +++ [pid 3695] <... exit_group resumed>) = ? [pid 3644] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3698, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3706] <... setpgid resumed>) = 0 [pid 3703] <... mprotect resumed>) = 0 [pid 3702] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3644] restart_syscall(<... resuming interrupted clone ...> [pid 3706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3703] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3702] <... futex resumed>) = 0 [pid 3648] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3696, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3644] <... restart_syscall resumed>) = 0 [pid 3706] <... openat resumed>) = 3 [pid 3702] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3648] restart_syscall(<... resuming interrupted clone ...> [pid 3706] write(3, "1000", 4 [pid 3703] <... clone resumed>, parent_tid=[3708], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3708 [pid 3648] <... restart_syscall resumed>) = 0 [pid 3706] <... write resumed>) = 4 [pid 3703] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3644] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3706] close(3 [pid 3703] <... futex resumed>) = 0 [pid 3706] <... close resumed>) = 0 [pid 3703] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3648] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3644] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3709 [pid 3706] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3706] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcfc2393000 [pid 3706] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3648] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3710 [pid 3706] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 3708 attached [pid 3706] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3700] +++ exited with 0 +++ [pid 3695] +++ exited with 0 +++ ./strace-static-x86_64: Process 3710 attached ./strace-static-x86_64: Process 3709 attached ./strace-static-x86_64: Process 3707 attached [pid 3708] set_robust_list(0x7fcfc23b39e0, 24 [pid 3647] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3695, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3710] set_robust_list(0x55555675d5e0, 24 [pid 3708] <... set_robust_list resumed>) = 0 [pid 3706] <... clone resumed>, parent_tid=[3711], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3711 [pid 3708] perf_event_open( [pid 3706] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3710] <... set_robust_list resumed>) = 0 [pid 3708] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3706] <... futex resumed>) = 0 [pid 3647] restart_syscall(<... resuming interrupted clone ...> [pid 3709] set_robust_list(0x55555675d5e0, 24 [pid 3708] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3706] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3710] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3708] <... futex resumed>) = 1 [pid 3703] <... futex resumed>) = 0 [pid 3647] <... restart_syscall resumed>) = 0 [pid 3707] set_robust_list(0x7fcfc23b39e0, 24 [pid 3709] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 3711 attached [pid 3710] <... prctl resumed>) = 0 [pid 3708] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3707] <... set_robust_list resumed>) = 0 [pid 3703] exit_group(0 [pid 3710] setpgid(0, 0 [pid 3709] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3708] <... futex resumed>) = ? [pid 3707] perf_event_open( [pid 3703] <... exit_group resumed>) = ? [pid 3711] set_robust_list(0x7fcfc23b39e0, 24 [pid 3710] <... setpgid resumed>) = 0 [pid 3709] <... prctl resumed>) = 0 [pid 3708] +++ exited with 0 +++ [pid 3707] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3703] +++ exited with 0 +++ [pid 3647] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3643] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3703, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3647] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3712 [pid 3643] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3707] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 3712 attached [pid 3643] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3712] set_robust_list(0x55555675d5e0, 24) = 0 [pid 3712] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3643] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3713 [pid 3710] <... openat resumed>) = 3 [pid 3709] setpgid(0, 0 [pid 3702] <... futex resumed>) = 0 [pid 3712] <... prctl resumed>) = 0 [pid 3710] write(3, "1000", 4 [pid 3709] <... setpgid resumed>) = 0 [pid 3707] <... futex resumed>) = 1 [pid 3702] exit_group(0 [pid 3712] setpgid(0, 0 [pid 3702] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 3713 attached [pid 3712] <... setpgid resumed>) = 0 [pid 3710] <... write resumed>) = 4 [pid 3709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3713] set_robust_list(0x55555675d5e0, 24 [pid 3712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3710] close(3 [pid 3713] <... set_robust_list resumed>) = 0 [pid 3712] <... openat resumed>) = 3 [pid 3710] <... close resumed>) = 0 [pid 3709] <... openat resumed>) = 3 [pid 3710] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3709] write(3, "1000", 4 [pid 3713] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3712] write(3, "1000", 4 [pid 3710] <... futex resumed>) = 0 [pid 3713] <... prctl resumed>) = 0 [pid 3712] <... write resumed>) = 4 [pid 3710] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3709] <... write resumed>) = 4 [pid 3713] setpgid(0, 0 [pid 3712] close(3 [pid 3713] <... setpgid resumed>) = 0 [pid 3712] <... close resumed>) = 0 [pid 3710] <... mmap resumed>) = 0x7fcfc2393000 [pid 3709] close(3 [pid 3713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3712] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3710] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3709] <... close resumed>) = 0 [pid 3713] <... openat resumed>) = 3 [pid 3712] <... futex resumed>) = 0 [pid 3713] write(3, "1000", 4 [pid 3712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3710] <... mprotect resumed>) = 0 [pid 3709] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3713] <... write resumed>) = 4 [pid 3712] <... mmap resumed>) = 0x7fcfc2393000 [pid 3709] <... futex resumed>) = 0 [pid 3713] close(3 [pid 3712] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3710] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3709] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3713] <... close resumed>) = 0 [pid 3712] <... mprotect resumed>) = 0 [pid 3711] <... set_robust_list resumed>) = 0 [pid 3707] +++ exited with 0 +++ [pid 3702] +++ exited with 0 +++ [pid 3713] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3712] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3709] <... mmap resumed>) = 0x7fcfc2393000 [pid 3646] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3702, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3713] <... futex resumed>) = 0 [pid 3711] perf_event_open( [pid 3710] <... clone resumed>, parent_tid=[3714], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3714 [pid 3709] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3713] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3712] <... clone resumed>, parent_tid=[3715], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3715 [pid 3710] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3713] <... mmap resumed>) = 0x7fcfc2393000 [pid 3712] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3711] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3710] <... futex resumed>) = 0 [pid 3709] <... mprotect resumed>) = 0 [pid 3713] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3712] <... futex resumed>) = 0 [pid 3710] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3715 attached [pid 3713] <... mprotect resumed>) = 0 [pid 3712] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3711] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3709] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3714 attached [pid 3715] set_robust_list(0x7fcfc23b39e0, 24 [pid 3713] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3711] <... futex resumed>) = 1 [pid 3706] <... futex resumed>) = 0 [pid 3714] set_robust_list(0x7fcfc23b39e0, 24 [pid 3706] exit_group(0 [pid 3711] ????( [pid 3714] <... set_robust_list resumed>) = 0 [pid 3713] <... clone resumed>, parent_tid=[3717], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3717 [pid 3709] <... clone resumed>, parent_tid=[3716], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3716 [pid 3706] <... exit_group resumed>) = ? [pid 3646] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3711] <... ???? resumed>) = ? [pid 3715] <... set_robust_list resumed>) = 0 [pid 3714] perf_event_open( [pid 3713] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3709] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 3716 attached [pid 3714] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3713] <... futex resumed>) = 0 [pid 3716] set_robust_list(0x7fcfc23b39e0, 24 [pid 3714] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3713] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3709] <... futex resumed>) = 0 [pid 3716] <... set_robust_list resumed>) = 0 [pid 3714] <... futex resumed>) = 1 [pid 3710] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3717 attached [pid 3716] perf_event_open( [pid 3714] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3710] exit_group(0 [pid 3709] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3646] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3718 [pid 3717] set_robust_list(0x7fcfc23b39e0, 24 [pid 3716] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3714] <... futex resumed>) = ? [pid 3710] <... exit_group resumed>) = ? [pid 3717] <... set_robust_list resumed>) = 0 [pid 3716] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3714] +++ exited with 0 +++ [pid 3717] perf_event_open( [pid 3716] <... futex resumed>) = 1 [pid 3709] <... futex resumed>) = 0 [pid 3717] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3716] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3710] +++ exited with 0 +++ [pid 3709] exit_group(0 [pid 3717] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3716] <... futex resumed>) = ? [pid 3709] <... exit_group resumed>) = ? [pid 3648] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3710, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- ./strace-static-x86_64: Process 3718 attached [pid 3717] <... futex resumed>) = 1 [pid 3716] +++ exited with 0 +++ [pid 3715] perf_event_open( [pid 3713] <... futex resumed>) = 0 [pid 3711] +++ exited with 0 +++ [pid 3709] +++ exited with 0 +++ [pid 3706] +++ exited with 0 +++ [pid 3718] set_robust_list(0x55555675d5e0, 24 [pid 3717] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3713] exit_group(0 [pid 3644] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3709, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3717] <... futex resumed>) = ? [pid 3715] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3713] <... exit_group resumed>) = ? [pid 3648] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3719 attached [pid 3718] <... set_robust_list resumed>) = 0 [pid 3717] +++ exited with 0 +++ [pid 3715] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3713] +++ exited with 0 +++ [pid 3642] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3706, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3719] set_robust_list(0x55555675d5e0, 24 [pid 3718] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3715] <... futex resumed>) = 1 [pid 3712] <... futex resumed>) = 0 [pid 3648] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3719 [pid 3644] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3643] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3713, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3642] restart_syscall(<... resuming interrupted clone ...> [pid 3719] <... set_robust_list resumed>) = 0 [pid 3718] <... prctl resumed>) = 0 [pid 3715] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3712] exit_group(0 [pid 3643] restart_syscall(<... resuming interrupted clone ...> [pid 3642] <... restart_syscall resumed>) = 0 [pid 3718] setpgid(0, 0 [pid 3715] <... futex resumed>) = ? [pid 3712] <... exit_group resumed>) = ? [pid 3643] <... restart_syscall resumed>) = 0 [pid 3719] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3718] <... setpgid resumed>) = 0 [pid 3715] +++ exited with 0 +++ [pid 3718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3642] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3720 attached [pid 3719] <... prctl resumed>) = 0 [pid 3718] <... openat resumed>) = 3 [pid 3712] +++ exited with 0 +++ [pid 3644] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3720 [pid 3643] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3721 attached [pid 3720] set_robust_list(0x55555675d5e0, 24 [pid 3719] setpgid(0, 0 [pid 3718] write(3, "1000", 4./strace-static-x86_64: Process 3722 attached [pid 3721] set_robust_list(0x55555675d5e0, 24 [pid 3720] <... set_robust_list resumed>) = 0 [pid 3719] <... setpgid resumed>) = 0 [pid 3718] <... write resumed>) = 4 [pid 3647] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3712, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3642] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3721 [pid 3722] set_robust_list(0x55555675d5e0, 24 [pid 3721] <... set_robust_list resumed>) = 0 [pid 3720] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3718] close(3 [pid 3647] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3643] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3722 [pid 3722] <... set_robust_list resumed>) = 0 [pid 3721] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3720] <... prctl resumed>) = 0 [pid 3719] <... openat resumed>) = 3 [pid 3718] <... close resumed>) = 0 ./strace-static-x86_64: Process 3723 attached [pid 3722] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3721] <... prctl resumed>) = 0 [pid 3720] setpgid(0, 0 [pid 3719] write(3, "1000", 4 [pid 3718] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3723] set_robust_list(0x55555675d5e0, 24 [pid 3722] <... prctl resumed>) = 0 [pid 3721] setpgid(0, 0 [pid 3720] <... setpgid resumed>) = 0 [pid 3719] <... write resumed>) = 4 [pid 3718] <... futex resumed>) = 0 [pid 3647] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3723 [pid 3722] setpgid(0, 0 [pid 3721] <... setpgid resumed>) = 0 [pid 3720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3719] close(3 [pid 3718] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3722] <... setpgid resumed>) = 0 [pid 3721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3720] <... openat resumed>) = 3 [pid 3719] <... close resumed>) = 0 [pid 3718] <... mmap resumed>) = 0x7fcfc2393000 [pid 3720] write(3, "1000", 4 [pid 3719] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3721] <... openat resumed>) = 3 [pid 3718] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3721] write(3, "1000", 4 [pid 3720] <... write resumed>) = 4 [pid 3719] <... futex resumed>) = 0 [pid 3723] <... set_robust_list resumed>) = 0 [pid 3721] <... write resumed>) = 4 [pid 3720] close(3 [pid 3719] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3718] <... mprotect resumed>) = 0 [pid 3723] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3722] <... openat resumed>) = 3 [pid 3721] close(3 [pid 3720] <... close resumed>) = 0 [pid 3719] <... mmap resumed>) = 0x7fcfc2393000 [pid 3718] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3723] <... prctl resumed>) = 0 [pid 3722] write(3, "1000", 4 [pid 3721] <... close resumed>) = 0 [pid 3720] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3719] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3723] setpgid(0, 0 [pid 3722] <... write resumed>) = 4 [pid 3721] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3720] <... futex resumed>) = 0 [pid 3719] <... mprotect resumed>) = 0 [pid 3718] <... clone resumed>, parent_tid=[3724], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3724 [pid 3723] <... setpgid resumed>) = 0 [pid 3722] close(3 [pid 3721] <... futex resumed>) = 0 [pid 3720] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3719] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3718] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3722] <... close resumed>) = 0 [pid 3721] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3720] <... mmap resumed>) = 0x7fcfc2393000 [pid 3718] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3725 attached [pid 3723] <... openat resumed>) = 3 [pid 3722] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3721] <... mmap resumed>) = 0x7fcfc2393000 [pid 3720] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3719] <... clone resumed>, parent_tid=[3725], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3725 [pid 3718] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3725] set_robust_list(0x7fcfc23b39e0, 24 [pid 3723] write(3, "1000", 4 [pid 3722] <... futex resumed>) = 0 [pid 3721] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3720] <... mprotect resumed>) = 0 [pid 3719] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3723] <... write resumed>) = 4 [pid 3722] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3721] <... mprotect resumed>) = 0 [pid 3720] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3719] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3724 attached [pid 3723] close(3 [pid 3722] <... mmap resumed>) = 0x7fcfc2393000 [pid 3721] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3719] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3724] set_robust_list(0x7fcfc23b39e0, 24 [pid 3723] <... close resumed>) = 0 [pid 3722] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3720] <... clone resumed>, parent_tid=[3726], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3726 [pid 3724] <... set_robust_list resumed>) = 0 [pid 3723] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3720] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3722] <... mprotect resumed>) = 0 [pid 3725] <... set_robust_list resumed>) = 0 [pid 3724] perf_event_open( [pid 3723] <... futex resumed>) = 0 [pid 3721] <... clone resumed>, parent_tid=[3727], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3727 [pid 3720] <... futex resumed>) = 0 [pid 3722] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3725] perf_event_open( [pid 3724] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3721] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3720] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3727 attached ./strace-static-x86_64: Process 3728 attached [pid 3725] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3724] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3723] <... mmap resumed>) = 0x7fcfc2393000 [pid 3721] <... futex resumed>) = 0 [pid 3727] set_robust_list(0x7fcfc23b39e0, 24 [pid 3725] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3724] <... futex resumed>) = 1 [pid 3723] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3722] <... clone resumed>, parent_tid=[3728], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3728 [pid 3721] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3718] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3726 attached [pid 3728] set_robust_list(0x7fcfc23b39e0, 24 [pid 3727] <... set_robust_list resumed>) = 0 [pid 3725] <... futex resumed>) = 1 [pid 3724] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3723] <... mprotect resumed>) = 0 [pid 3722] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3719] <... futex resumed>) = 0 [pid 3718] exit_group(0 [pid 3728] <... set_robust_list resumed>) = 0 [pid 3727] perf_event_open( [pid 3726] set_robust_list(0x7fcfc23b39e0, 24 [pid 3725] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3724] <... futex resumed>) = ? [pid 3723] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3722] <... futex resumed>) = 0 [pid 3719] exit_group(0 [pid 3718] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 3729 attached [pid 3728] perf_event_open( [pid 3727] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3726] <... set_robust_list resumed>) = 0 [pid 3725] <... futex resumed>) = ? [pid 3724] +++ exited with 0 +++ [pid 3722] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3719] <... exit_group resumed>) = ? [pid 3718] +++ exited with 0 +++ [pid 3729] set_robust_list(0x7fcfc23b39e0, 24 [pid 3728] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3727] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3726] perf_event_open( [pid 3725] +++ exited with 0 +++ [pid 3723] <... clone resumed>, parent_tid=[3729], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3729 [pid 3719] +++ exited with 0 +++ [pid 3729] <... set_robust_list resumed>) = 0 [pid 3728] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3727] <... futex resumed>) = 1 [pid 3726] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3723] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3721] <... futex resumed>) = 0 [pid 3648] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3719, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3646] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3718, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3729] perf_event_open( [pid 3728] <... futex resumed>) = 1 [pid 3727] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3726] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3723] <... futex resumed>) = 0 [pid 3722] <... futex resumed>) = 0 [pid 3721] exit_group(0 [pid 3646] restart_syscall(<... resuming interrupted clone ...> [pid 3729] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3728] --- SIGTRAP {si_signo=SIGTRAP, si_code=TRAP_PERF, si_pid=-2079625736, si_uid=-1, si_int=3155, si_ptr=0xc53} --- [pid 3727] <... futex resumed>) = ? [pid 3726] <... futex resumed>) = 1 [pid 3723] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3722] ????( [pid 3721] <... exit_group resumed>) = ? [pid 3720] <... futex resumed>) = 0 [pid 3646] <... restart_syscall resumed>) = 0 [pid 3729] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3727] +++ exited with 0 +++ [pid 3726] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3720] exit_group(0 [pid 3729] <... futex resumed>) = 0 [pid 3726] <... futex resumed>) = ? [pid 3723] exit_group(0 [pid 3720] <... exit_group resumed>) = ? [pid 3726] +++ exited with 0 +++ [pid 3723] <... exit_group resumed>) = ? [pid 3722] <... ???? resumed>) = ? [pid 3721] +++ exited with 0 +++ [pid 3720] +++ exited with 0 +++ [pid 3729] +++ exited with 0 +++ [pid 3728] +++ killed by SIGTRAP +++ [pid 3723] +++ exited with 0 +++ [pid 3644] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3720, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3644] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3644] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3722] +++ killed by SIGTRAP +++ [pid 3647] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3723, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3648] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3646] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3644] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3730 [pid 3642] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3721, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 3730 attached [pid 3730] set_robust_list(0x55555675d5e0, 24 [pid 3643] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=3722, si_uid=0, si_status=SIGTRAP, si_utime=0, si_stime=0} --- [pid 3730] <... set_robust_list resumed>) = 0 [pid 3730] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3643] restart_syscall(<... resuming interrupted clone ...> [pid 3642] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3647] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3648] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3731 [pid 3646] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3732 [pid 3643] <... restart_syscall resumed>) = 0 [pid 3730] <... prctl resumed>) = 0 [pid 3730] setpgid(0, 0) = 0 [pid 3730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3730] write(3, "1000", 4) = 4 [pid 3730] close(3 [pid 3643] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3642] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3733 [pid 3647] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3734 [pid 3730] <... close resumed>) = 0 [pid 3730] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3730] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcfc2393000 [pid 3643] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3735 ./strace-static-x86_64: Process 3733 attached ./strace-static-x86_64: Process 3732 attached ./strace-static-x86_64: Process 3731 attached [pid 3730] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 3735 attached [pid 3733] set_robust_list(0x55555675d5e0, 24 [pid 3731] set_robust_list(0x55555675d5e0, 24 [pid 3730] <... mprotect resumed>) = 0 [pid 3732] set_robust_list(0x55555675d5e0, 24 [pid 3731] <... set_robust_list resumed>) = 0 [pid 3730] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3736 attached ./strace-static-x86_64: Process 3734 attached [pid 3735] set_robust_list(0x55555675d5e0, 24 [pid 3733] <... set_robust_list resumed>) = 0 [pid 3732] <... set_robust_list resumed>) = 0 [pid 3731] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3735] <... set_robust_list resumed>) = 0 [pid 3734] set_robust_list(0x55555675d5e0, 24 [pid 3733] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3731] <... prctl resumed>) = 0 [pid 3730] <... clone resumed>, parent_tid=[3736], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3736 [pid 3734] <... set_robust_list resumed>) = 0 [pid 3732] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3731] setpgid(0, 0 [pid 3730] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3733] <... prctl resumed>) = 0 [pid 3736] set_robust_list(0x7fcfc23b39e0, 24 [pid 3735] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3734] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3732] <... prctl resumed>) = 0 [pid 3731] <... setpgid resumed>) = 0 [pid 3730] <... futex resumed>) = 0 [pid 3733] setpgid(0, 0 [pid 3735] <... prctl resumed>) = 0 [pid 3734] <... prctl resumed>) = 0 [pid 3733] <... setpgid resumed>) = 0 [pid 3732] setpgid(0, 0 [pid 3731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3730] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3736] <... set_robust_list resumed>) = 0 [pid 3735] setpgid(0, 0 [pid 3734] setpgid(0, 0 [pid 3733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3732] <... setpgid resumed>) = 0 [pid 3731] <... openat resumed>) = 3 [pid 3736] perf_event_open( [pid 3735] <... setpgid resumed>) = 0 [pid 3734] <... setpgid resumed>) = 0 [pid 3731] write(3, "1000", 4 [pid 3735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3733] <... openat resumed>) = 3 [pid 3732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3731] <... write resumed>) = 4 [pid 3736] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3735] <... openat resumed>) = 3 [pid 3734] <... openat resumed>) = 3 [pid 3733] write(3, "1000", 4 [pid 3731] close(3 [pid 3735] write(3, "1000", 4 [pid 3734] write(3, "1000", 4 [pid 3733] <... write resumed>) = 4 [pid 3732] <... openat resumed>) = 3 [pid 3731] <... close resumed>) = 0 [pid 3736] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3735] <... write resumed>) = 4 [pid 3734] <... write resumed>) = 4 [pid 3733] close(3 [pid 3732] write(3, "1000", 4 [pid 3731] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3736] <... futex resumed>) = 1 [pid 3730] <... futex resumed>) = 0 [pid 3736] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3735] close(3 [pid 3734] close(3 [pid 3733] <... close resumed>) = 0 [pid 3732] <... write resumed>) = 4 [pid 3731] <... futex resumed>) = 0 [pid 3730] exit_group(0 [pid 3735] <... close resumed>) = 0 [pid 3734] <... close resumed>) = 0 [pid 3733] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3732] close(3 [pid 3731] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3730] <... exit_group resumed>) = ? [pid 3736] <... futex resumed>) = ? [pid 3735] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3734] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3733] <... futex resumed>) = 0 [pid 3732] <... close resumed>) = 0 [pid 3731] <... mmap resumed>) = 0x7fcfc2393000 [pid 3735] <... futex resumed>) = 0 [pid 3734] <... futex resumed>) = 0 [pid 3733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3732] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3731] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3735] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3734] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3733] <... mmap resumed>) = 0x7fcfc2393000 [pid 3732] <... futex resumed>) = 0 [pid 3731] <... mprotect resumed>) = 0 [pid 3735] <... mmap resumed>) = 0x7fcfc2393000 [pid 3734] <... mmap resumed>) = 0x7fcfc2393000 [pid 3733] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3732] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3731] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3735] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3734] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3733] <... mprotect resumed>) = 0 [pid 3732] <... mmap resumed>) = 0x7fcfc2393000 [pid 3735] <... mprotect resumed>) = 0 [pid 3734] <... mprotect resumed>) = 0 [pid 3733] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3731] <... clone resumed>, parent_tid=[3737], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3737 [pid 3732] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3735] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3734] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3731] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3732] <... mprotect resumed>) = 0 [pid 3731] <... futex resumed>) = 0 [pid 3734] <... clone resumed>, parent_tid=[3739], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3739 [pid 3733] <... clone resumed>, parent_tid=[3738], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3738 [pid 3732] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3731] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3735] <... clone resumed>, parent_tid=[3740], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3740 [pid 3734] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3733] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 3738 attached [pid 3735] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3734] <... futex resumed>) = 0 [pid 3733] <... futex resumed>) = 0 [pid 3732] <... clone resumed>, parent_tid=[3741], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3741 ./strace-static-x86_64: Process 3739 attached [pid 3738] set_robust_list(0x7fcfc23b39e0, 24 [pid 3735] <... futex resumed>) = 0 [pid 3734] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3733] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3732] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 3737 attached [pid 3739] set_robust_list(0x7fcfc23b39e0, 24 [pid 3738] <... set_robust_list resumed>) = 0 [pid 3735] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3732] <... futex resumed>) = 0 [pid 3739] <... set_robust_list resumed>) = 0 [pid 3738] perf_event_open( [pid 3737] set_robust_list(0x7fcfc23b39e0, 24 [pid 3732] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3739] perf_event_open( [pid 3738] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3737] <... set_robust_list resumed>) = 0 [pid 3739] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3738] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3737] perf_event_open( [pid 3736] +++ exited with 0 +++ [pid 3730] +++ exited with 0 +++ ./strace-static-x86_64: Process 3741 attached ./strace-static-x86_64: Process 3740 attached [pid 3739] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3738] <... futex resumed>) = 1 [pid 3737] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3733] <... futex resumed>) = 0 [pid 3644] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3730, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3741] set_robust_list(0x7fcfc23b39e0, 24 [pid 3740] set_robust_list(0x7fcfc23b39e0, 24 [pid 3739] <... futex resumed>) = 1 [pid 3738] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3737] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3734] <... futex resumed>) = 0 [pid 3733] exit_group(0 [pid 3644] restart_syscall(<... resuming interrupted clone ...> [pid 3741] <... set_robust_list resumed>) = 0 [pid 3740] <... set_robust_list resumed>) = 0 [pid 3739] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3738] <... futex resumed>) = ? [pid 3737] <... futex resumed>) = 1 [pid 3734] exit_group(0 [pid 3733] <... exit_group resumed>) = ? [pid 3731] <... futex resumed>) = 0 [pid 3644] <... restart_syscall resumed>) = 0 [pid 3741] perf_event_open( [pid 3740] perf_event_open( [pid 3739] <... futex resumed>) = ? [pid 3738] +++ exited with 0 +++ [pid 3737] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3734] <... exit_group resumed>) = ? [pid 3731] exit_group(0 [pid 3741] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3740] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3739] +++ exited with 0 +++ [pid 3737] <... futex resumed>) = ? [pid 3734] +++ exited with 0 +++ [pid 3733] +++ exited with 0 +++ [pid 3731] <... exit_group resumed>) = ? [pid 3741] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3740] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3737] +++ exited with 0 +++ [pid 3731] +++ exited with 0 +++ [pid 3647] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3734, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3644] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3742 attached [pid 3741] <... futex resumed>) = 1 [pid 3740] <... futex resumed>) = 1 [pid 3735] <... futex resumed>) = 0 [pid 3732] <... futex resumed>) = 0 [pid 3642] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3733, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3741] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3740] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3735] exit_group(0 [pid 3732] exit_group(0 [pid 3648] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3731, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3644] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3742 [pid 3642] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3741] <... futex resumed>) = ? [pid 3740] <... futex resumed>) = ? [pid 3735] <... exit_group resumed>) = ? [pid 3732] <... exit_group resumed>) = ? [pid 3648] restart_syscall(<... resuming interrupted clone ...> [pid 3742] set_robust_list(0x55555675d5e0, 24) = 0 [pid 3648] <... restart_syscall resumed>) = 0 [pid 3742] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3742] setpgid(0, 0) = 0 [pid 3742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3742] write(3, "1000", 4) = 4 [pid 3742] close(3) = 0 [pid 3742] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 3743 attached ) = 0 [pid 3743] set_robust_list(0x55555675d5e0, 24 [pid 3742] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcfc2393000 [pid 3740] +++ exited with 0 +++ [pid 3735] +++ exited with 0 +++ [pid 3743] <... set_robust_list resumed>) = 0 [pid 3743] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3742] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3743] <... prctl resumed>) = 0 [pid 3742] <... mprotect resumed>) = 0 [pid 3743] setpgid(0, 0 [pid 3742] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3743] <... setpgid resumed>) = 0 [pid 3743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3742] <... clone resumed>, parent_tid=[3744], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3744 [pid 3743] <... openat resumed>) = 3 [pid 3742] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3741] +++ exited with 0 +++ [pid 3732] +++ exited with 0 +++ [pid 3648] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3647] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3643] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3735, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3642] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3743 [pid 3743] write(3, "1000", 4 [pid 3742] <... futex resumed>) = 0 [pid 3743] <... write resumed>) = 4 [pid 3742] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3743] close(3) = 0 [pid 3743] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3743] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcfc2393000 [pid 3743] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3646] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3732, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3743] <... mprotect resumed>) = 0 [pid 3648] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3746 [pid 3647] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3745 [pid 3643] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3743] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3646] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3743] <... clone resumed>, parent_tid=[3747], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3747 ./strace-static-x86_64: Process 3745 attached [pid 3743] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3745] set_robust_list(0x55555675d5e0, 24 [pid 3743] <... futex resumed>) = 0 [pid 3745] <... set_robust_list resumed>) = 0 [pid 3743] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3745] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3643] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3748 [pid 3745] <... prctl resumed>) = 0 [pid 3646] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3749 [pid 3745] setpgid(0, 0./strace-static-x86_64: Process 3748 attached ) = 0 ./strace-static-x86_64: Process 3749 attached [pid 3745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 3746 attached ) = 3 [pid 3748] set_robust_list(0x55555675d5e0, 24 [pid 3745] write(3, "1000", 4./strace-static-x86_64: Process 3747 attached ) = 4 [pid 3747] set_robust_list(0x7fcfc23b39e0, 24 [pid 3745] close(3 [pid 3747] <... set_robust_list resumed>) = 0 [pid 3745] <... close resumed>) = 0 [pid 3747] perf_event_open( [pid 3746] set_robust_list(0x55555675d5e0, 24 [pid 3745] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3747] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3745] <... futex resumed>) = 0 [pid 3749] set_robust_list(0x55555675d5e0, 24 [pid 3747] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3745] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 3744 attached [pid 3749] <... set_robust_list resumed>) = 0 [pid 3748] <... set_robust_list resumed>) = 0 [pid 3747] <... futex resumed>) = 1 [pid 3746] <... set_robust_list resumed>) = 0 [pid 3745] <... mmap resumed>) = 0x7fcfc2393000 [pid 3743] <... futex resumed>) = 0 [pid 3748] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3747] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3745] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3743] exit_group(0 [pid 3749] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3748] <... prctl resumed>) = 0 [pid 3747] <... futex resumed>) = ? [pid 3746] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3745] <... mprotect resumed>) = 0 [pid 3744] set_robust_list(0x7fcfc23b39e0, 24 [pid 3743] <... exit_group resumed>) = ? [pid 3749] <... prctl resumed>) = 0 [pid 3748] setpgid(0, 0 [pid 3747] +++ exited with 0 +++ [pid 3746] <... prctl resumed>) = 0 [pid 3745] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3744] <... set_robust_list resumed>) = 0 [pid 3743] +++ exited with 0 +++ ./strace-static-x86_64: Process 3750 attached [pid 3749] setpgid(0, 0 [pid 3748] <... setpgid resumed>) = 0 [pid 3746] setpgid(0, 0 [pid 3744] perf_event_open( [pid 3642] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3743, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3750] set_robust_list(0x7fcfc23b39e0, 24 [pid 3749] <... setpgid resumed>) = 0 [pid 3748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3746] <... setpgid resumed>) = 0 [pid 3745] <... clone resumed>, parent_tid=[3750], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3750 [pid 3744] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3745] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3745] <... futex resumed>) = 0 [pid 3749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3745] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3749] <... openat resumed>) = 3 [pid 3749] write(3, "1000", 4 [pid 3748] <... openat resumed>) = 3 [pid 3642] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3748] write(3, "1000", 4 [pid 3750] <... set_robust_list resumed>) = 0 [pid 3749] <... write resumed>) = 4 [pid 3746] <... openat resumed>) = 3 [pid 3744] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3642] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3751 [pid 3749] close(3 [pid 3748] <... write resumed>) = 4 [pid 3744] <... futex resumed>) = 1 [pid 3742] <... futex resumed>) = 0 [pid 3748] close(3 [pid 3750] perf_event_open( [pid 3749] <... close resumed>) = 0 [pid 3746] write(3, "1000", 4 [pid 3744] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3742] exit_group(0 [pid 3748] <... close resumed>) = 0 ./strace-static-x86_64: Process 3751 attached [pid 3750] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3749] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3748] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3746] <... write resumed>) = 4 [pid 3744] <... futex resumed>) = ? [pid 3742] <... exit_group resumed>) = ? [pid 3751] set_robust_list(0x55555675d5e0, 24 [pid 3750] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3749] <... futex resumed>) = 0 [pid 3748] <... futex resumed>) = 0 [pid 3746] close(3 [pid 3744] +++ exited with 0 +++ [pid 3742] +++ exited with 0 +++ [pid 3751] <... set_robust_list resumed>) = 0 [pid 3750] <... futex resumed>) = 1 [pid 3749] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3748] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3746] <... close resumed>) = 0 [pid 3745] <... futex resumed>) = 0 [pid 3644] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3742, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3750] --- SIGTRAP {si_signo=SIGTRAP, si_code=TRAP_PERF, si_pid=-2079625736, si_uid=-1, si_int=3155, si_ptr=0xc53} --- [pid 3749] <... mmap resumed>) = 0x7fcfc2393000 [pid 3748] <... mmap resumed>) = 0x7fcfc2393000 [pid 3746] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3745] exit_group(0 [pid 3751] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3749] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3748] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3746] <... futex resumed>) = 0 [pid 3745] <... exit_group resumed>) = ? [pid 3749] <... mprotect resumed>) = 0 [pid 3751] <... prctl resumed>) = 0 [pid 3748] <... mprotect resumed>) = 0 [pid 3751] setpgid(0, 0 [pid 3749] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3751] <... setpgid resumed>) = 0 [pid 3748] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3746] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3751] <... openat resumed>) = 3 [pid 3749] <... clone resumed>, parent_tid=[3752], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3752 [pid 3748] <... clone resumed>, parent_tid=[3753], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3753 [pid 3746] <... mmap resumed>) = 0x7fcfc2393000 [pid 3644] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3751] write(3, "1000", 4 [pid 3749] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3748] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3746] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3751] <... write resumed>) = 4 [pid 3749] <... futex resumed>) = 0 [pid 3748] <... futex resumed>) = 0 [pid 3644] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3754 [pid 3751] close(3 [pid 3749] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3748] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3746] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 3753 attached ./strace-static-x86_64: Process 3752 attached [pid 3751] <... close resumed>) = 0 [pid 3746] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3754 attached [pid 3753] set_robust_list(0x7fcfc23b39e0, 24 [pid 3752] set_robust_list(0x7fcfc23b39e0, 24 [pid 3751] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3754] set_robust_list(0x55555675d5e0, 24 [pid 3753] <... set_robust_list resumed>) = 0 [pid 3752] <... set_robust_list resumed>) = 0 [pid 3751] <... futex resumed>) = 0 [pid 3754] <... set_robust_list resumed>) = 0 [pid 3753] perf_event_open( [pid 3752] perf_event_open( [pid 3751] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3746] <... clone resumed>, parent_tid=[3755], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3755 [pid 3754] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3753] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3752] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3751] <... mmap resumed>) = 0x7fcfc2393000 [pid 3746] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3754] <... prctl resumed>) = 0 [pid 3753] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3752] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3751] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3746] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3755 attached [pid 3754] setpgid(0, 0 [pid 3753] <... futex resumed>) = 1 [pid 3752] <... futex resumed>) = 1 [pid 3751] <... mprotect resumed>) = 0 [pid 3750] +++ exited with 0 +++ [pid 3749] <... futex resumed>) = 0 [pid 3748] <... futex resumed>) = 0 [pid 3746] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3745] +++ exited with 0 +++ [pid 3755] set_robust_list(0x7fcfc23b39e0, 24 [pid 3754] <... setpgid resumed>) = 0 [pid 3753] --- SIGTRAP {si_signo=SIGTRAP, si_code=TRAP_PERF, si_pid=-2079625736, si_uid=-1, si_int=3155, si_ptr=0xc53} --- [pid 3752] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3751] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3749] exit_group(0 [pid 3748] exit_group(0 [pid 3647] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3745, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3755] <... set_robust_list resumed>) = 0 [pid 3754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3752] <... futex resumed>) = ? [pid 3749] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 3756 attached [pid 3755] perf_event_open( [pid 3754] <... openat resumed>) = 3 [pid 3753] +++ killed by SIGTRAP +++ [pid 3752] +++ exited with 0 +++ [pid 3751] <... clone resumed>, parent_tid=[3756], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3756 [pid 3748] +++ killed by SIGTRAP +++ [pid 3647] restart_syscall(<... resuming interrupted clone ...> [pid 3754] write(3, "1000", 4 [pid 3751] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3754] <... write resumed>) = 4 [pid 3751] <... futex resumed>) = 0 [pid 3754] close(3 [pid 3751] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3749] +++ exited with 0 +++ [pid 3755] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3754] <... close resumed>) = 0 [pid 3647] <... restart_syscall resumed>) = 0 [pid 3643] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=3748, si_uid=0, si_status=SIGTRAP, si_utime=0, si_stime=0} --- [pid 3754] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3755] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3754] <... futex resumed>) = 0 [pid 3754] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3755] <... futex resumed>) = 1 [pid 3754] <... mmap resumed>) = 0x7fcfc2393000 [pid 3746] <... futex resumed>) = 0 [pid 3647] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3646] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3749, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3755] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3754] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3746] exit_group(0 [pid 3754] <... mprotect resumed>) = 0 [pid 3754] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3755] <... futex resumed>) = ? [pid 3746] <... exit_group resumed>) = ? [pid 3646] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3647] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3757 [pid 3643] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3754] <... clone resumed>, parent_tid=[3758], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3758 [pid 3754] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3754] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3757 attached [pid 3757] set_robust_list(0x55555675d5e0, 24) = 0 [pid 3757] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3757] setpgid(0, 0) = 0 [pid 3757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3757] write(3, "1000", 4) = 4 [pid 3757] close(3./strace-static-x86_64: Process 3758 attached ) = 0 [pid 3758] set_robust_list(0x7fcfc23b39e0, 24) = 0 [pid 3755] +++ exited with 0 +++ [pid 3746] +++ exited with 0 +++ [pid 3643] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3760 [pid 3648] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3746, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3646] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3759 [pid 3758] perf_event_open( [pid 3757] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3758] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3757] <... futex resumed>) = 0 [pid 3758] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3757] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3648] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3758] <... futex resumed>) = 1 [pid 3757] <... mmap resumed>) = 0x7fcfc2393000 [pid 3754] <... futex resumed>) = 0 [pid 3758] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3757] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3754] exit_group(0./strace-static-x86_64: Process 3760 attached ./strace-static-x86_64: Process 3759 attached [pid 3758] <... futex resumed>) = ? [pid 3757] <... mprotect resumed>) = 0 [pid 3756] set_robust_list(0x7fcfc23b39e0, 24 [pid 3754] <... exit_group resumed>) = ? [pid 3648] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3761 [pid 3760] set_robust_list(0x55555675d5e0, 24 [pid 3759] set_robust_list(0x55555675d5e0, 24 [pid 3758] +++ exited with 0 +++ [pid 3757] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3756] <... set_robust_list resumed>) = 0 [pid 3754] +++ exited with 0 +++ ./strace-static-x86_64: Process 3761 attached [pid 3760] <... set_robust_list resumed>) = 0 [pid 3759] <... set_robust_list resumed>) = 0 [pid 3756] perf_event_open( [pid 3761] set_robust_list(0x55555675d5e0, 24 [pid 3760] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3757] <... clone resumed>, parent_tid=[3762], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3762 [pid 3644] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3754, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3761] <... set_robust_list resumed>) = 0 [pid 3757] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3756] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3644] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 3762 attached [pid 3761] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3760] <... prctl resumed>) = 0 [pid 3759] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3757] <... futex resumed>) = 0 [pid 3644] <... restart_syscall resumed>) = 0 [pid 3756] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3761] <... prctl resumed>) = 0 [pid 3760] setpgid(0, 0 [pid 3759] <... prctl resumed>) = 0 [pid 3757] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3756] <... futex resumed>) = 1 [pid 3751] <... futex resumed>) = 0 [pid 3761] setpgid(0, 0 [pid 3760] <... setpgid resumed>) = 0 [pid 3759] setpgid(0, 0 [pid 3756] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3751] exit_group(0 [pid 3761] <... setpgid resumed>) = 0 [pid 3759] <... setpgid resumed>) = 0 [pid 3756] <... futex resumed>) = ? [pid 3751] <... exit_group resumed>) = ? [pid 3644] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3763 attached [pid 3762] set_robust_list(0x7fcfc23b39e0, 24 [pid 3761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3756] +++ exited with 0 +++ [pid 3751] +++ exited with 0 +++ [pid 3762] <... set_robust_list resumed>) = 0 [pid 3761] <... openat resumed>) = 3 [pid 3644] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3763 [pid 3761] write(3, "1000", 4 [pid 3760] <... openat resumed>) = 3 [pid 3759] <... openat resumed>) = 3 [pid 3642] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3751, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3762] perf_event_open( [pid 3761] <... write resumed>) = 4 [pid 3760] write(3, "1000", 4 [pid 3759] write(3, "1000", 4 [pid 3642] restart_syscall(<... resuming interrupted clone ...> [pid 3763] set_robust_list(0x55555675d5e0, 24 [pid 3762] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3761] close(3 [pid 3760] <... write resumed>) = 4 [pid 3759] <... write resumed>) = 4 [pid 3642] <... restart_syscall resumed>) = 0 [pid 3763] <... set_robust_list resumed>) = 0 [pid 3762] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3761] <... close resumed>) = 0 [pid 3760] close(3 [pid 3759] close(3 [pid 3763] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3762] <... futex resumed>) = 1 [pid 3761] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3760] <... close resumed>) = 0 [pid 3759] <... close resumed>) = 0 [pid 3757] <... futex resumed>) = 0 [pid 3763] <... prctl resumed>) = 0 [pid 3762] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3761] <... futex resumed>) = 0 [pid 3760] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3759] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3757] exit_group(0 [pid 3763] setpgid(0, 0 [pid 3762] <... futex resumed>) = ? [pid 3761] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3760] <... futex resumed>) = 0 [pid 3759] <... futex resumed>) = 0 [pid 3757] <... exit_group resumed>) = ? [pid 3642] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3763] <... setpgid resumed>) = 0 [pid 3762] +++ exited with 0 +++ [pid 3761] <... mmap resumed>) = 0x7fcfc2393000 [pid 3760] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3759] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3757] +++ exited with 0 +++ [pid 3763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3761] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3763] <... openat resumed>) = 3 [pid 3761] <... mprotect resumed>) = 0 [pid 3760] <... mmap resumed>) = 0x7fcfc2393000 [pid 3759] <... mmap resumed>) = 0x7fcfc2393000 [pid 3647] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3757, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3642] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3764 [pid 3763] write(3, "1000", 4 [pid 3761] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3760] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3759] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3647] restart_syscall(<... resuming interrupted clone ...> [pid 3763] <... write resumed>) = 4 [pid 3763] close(3 [pid 3761] <... clone resumed>, parent_tid=[3765], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3765 [pid 3760] <... mprotect resumed>) = 0 [pid 3759] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 3764 attached [pid 3763] <... close resumed>) = 0 [pid 3761] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3760] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3647] <... restart_syscall resumed>) = 0 [pid 3759] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3765 attached [pid 3764] set_robust_list(0x55555675d5e0, 24 [pid 3763] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3761] <... futex resumed>) = 0 [pid 3764] <... set_robust_list resumed>) = 0 [pid 3763] <... futex resumed>) = 0 [pid 3761] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3760] <... clone resumed>, parent_tid=[3766], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3766 ./strace-static-x86_64: Process 3767 attached [pid 3765] set_robust_list(0x7fcfc23b39e0, 24 [pid 3764] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3763] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3767] set_robust_list(0x7fcfc23b39e0, 24 [pid 3765] <... set_robust_list resumed>) = 0 [pid 3764] <... prctl resumed>) = 0 [pid 3763] <... mmap resumed>) = 0x7fcfc2393000 [pid 3760] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3759] <... clone resumed>, parent_tid=[3767], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3767 [pid 3647] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3766 attached [pid 3764] setpgid(0, 0 [pid 3763] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3760] <... futex resumed>) = 0 [pid 3759] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3766] set_robust_list(0x7fcfc23b39e0, 24 [pid 3764] <... setpgid resumed>) = 0 [pid 3763] <... mprotect resumed>) = 0 [pid 3766] <... set_robust_list resumed>) = 0 [pid 3764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3763] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3760] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3759] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3768 attached [pid 3767] <... set_robust_list resumed>) = 0 [pid 3766] perf_event_open( [pid 3765] perf_event_open( [pid 3764] <... openat resumed>) = 3 [pid 3759] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3647] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3768 ./strace-static-x86_64: Process 3769 attached [pid 3768] set_robust_list(0x55555675d5e0, 24 [pid 3767] perf_event_open( [pid 3766] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3765] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3764] write(3, "1000", 4 [pid 3763] <... clone resumed>, parent_tid=[3769], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3769 [pid 3767] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3766] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3765] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3764] <... write resumed>) = 4 [pid 3763] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3768] <... set_robust_list resumed>) = 0 [pid 3769] set_robust_list(0x7fcfc23b39e0, 24 [pid 3767] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3766] <... futex resumed>) = 1 [pid 3764] close(3 [pid 3763] <... futex resumed>) = 0 [pid 3760] <... futex resumed>) = 0 [pid 3765] <... futex resumed>) = 1 [pid 3761] <... futex resumed>) = 0 [pid 3767] <... futex resumed>) = 1 [pid 3766] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3765] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3764] <... close resumed>) = 0 [pid 3763] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3761] exit_group(0 [pid 3760] exit_group(0 [pid 3759] <... futex resumed>) = 0 [pid 3768] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3767] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3766] <... futex resumed>) = ? [pid 3765] <... futex resumed>) = ? [pid 3764] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3761] <... exit_group resumed>) = ? [pid 3768] <... prctl resumed>) = 0 [pid 3760] <... exit_group resumed>) = ? [pid 3759] exit_group(0 [pid 3769] <... set_robust_list resumed>) = 0 [pid 3768] setpgid(0, 0 [pid 3767] <... futex resumed>) = ? [pid 3766] +++ exited with 0 +++ [pid 3765] +++ exited with 0 +++ [pid 3764] <... futex resumed>) = 0 [pid 3759] <... exit_group resumed>) = ? [pid 3769] perf_event_open( [pid 3768] <... setpgid resumed>) = 0 [pid 3767] +++ exited with 0 +++ [pid 3764] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3761] +++ exited with 0 +++ [pid 3760] +++ exited with 0 +++ [pid 3759] +++ exited with 0 +++ [pid 3769] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3764] <... mmap resumed>) = 0x7fcfc2393000 [pid 3648] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3761, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3769] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3768] <... openat resumed>) = 3 [pid 3764] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3646] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3759, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3643] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3760, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3769] <... futex resumed>) = 1 [pid 3768] write(3, "1000", 4 [pid 3764] <... mprotect resumed>) = 0 [pid 3763] <... futex resumed>) = 0 [pid 3646] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3643] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3771 attached ./strace-static-x86_64: Process 3770 attached [pid 3769] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3768] <... write resumed>) = 4 [pid 3764] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3763] exit_group(0 [pid 3648] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3770] set_robust_list(0x55555675d5e0, 24 [pid 3769] <... futex resumed>) = ? [pid 3768] close(3 [pid 3763] <... exit_group resumed>) = ? [pid 3646] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3770 [pid 3643] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3771 [pid 3771] set_robust_list(0x55555675d5e0, 24 [pid 3770] <... set_robust_list resumed>) = 0 [pid 3769] +++ exited with 0 +++ [pid 3768] <... close resumed>) = 0 [pid 3648] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3773 ./strace-static-x86_64: Process 3773 attached ./strace-static-x86_64: Process 3772 attached [pid 3768] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3764] <... clone resumed>, parent_tid=[3772], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3772 [pid 3763] +++ exited with 0 +++ [pid 3768] <... futex resumed>) = 0 [pid 3764] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3770] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3773] set_robust_list(0x55555675d5e0, 24 [pid 3772] set_robust_list(0x7fcfc23b39e0, 24 [pid 3771] <... set_robust_list resumed>) = 0 [pid 3770] <... prctl resumed>) = 0 [pid 3768] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3764] <... futex resumed>) = 0 [pid 3644] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3763, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3773] <... set_robust_list resumed>) = 0 [pid 3772] <... set_robust_list resumed>) = 0 [pid 3768] <... mmap resumed>) = 0x7fcfc2393000 [pid 3764] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3644] restart_syscall(<... resuming interrupted clone ...> [pid 3770] setpgid(0, 0 [pid 3773] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3772] perf_event_open( [pid 3771] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3770] <... setpgid resumed>) = 0 [pid 3768] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3644] <... restart_syscall resumed>) = 0 [pid 3773] <... prctl resumed>) = 0 [pid 3772] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3771] <... prctl resumed>) = 0 [pid 3770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3768] <... mprotect resumed>) = 0 [pid 3773] setpgid(0, 0 [pid 3772] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3771] setpgid(0, 0 [pid 3770] <... openat resumed>) = 3 [pid 3768] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3771] <... setpgid resumed>) = 0 [pid 3770] write(3, "1000", 4 [pid 3644] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3774 attached [pid 3773] <... setpgid resumed>) = 0 [pid 3772] <... futex resumed>) = 1 [pid 3771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3770] <... write resumed>) = 4 [pid 3768] <... clone resumed>, parent_tid=[3774], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3774 [pid 3764] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3775 attached [pid 3773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3772] --- SIGTRAP {si_signo=SIGTRAP, si_code=TRAP_PERF, si_pid=-2079625736, si_uid=-1, si_int=3155, si_ptr=0xc53} --- [pid 3771] <... openat resumed>) = 3 [pid 3770] close(3 [pid 3768] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3764] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3775] set_robust_list(0x55555675d5e0, 24 [pid 3771] write(3, "1000", 4 [pid 3770] <... close resumed>) = 0 [pid 3768] <... futex resumed>) = 0 [pid 3644] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3775 [pid 3775] <... set_robust_list resumed>) = 0 [pid 3773] <... openat resumed>) = 3 [pid 3771] <... write resumed>) = 4 [pid 3770] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3768] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3775] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3771] close(3 [pid 3770] <... futex resumed>) = 0 [pid 3775] <... prctl resumed>) = 0 [pid 3771] <... close resumed>) = 0 [pid 3770] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3775] setpgid(0, 0 [pid 3773] write(3, "1000", 4 [pid 3771] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3770] <... mmap resumed>) = 0x7fcfc2393000 [pid 3775] <... setpgid resumed>) = 0 [pid 3773] <... write resumed>) = 4 [pid 3771] <... futex resumed>) = 0 [pid 3770] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3771] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3773] close(3 [pid 3770] <... mprotect resumed>) = 0 [pid 3775] <... openat resumed>) = 3 [pid 3774] set_robust_list(0x7fcfc23b39e0, 24 [pid 3773] <... close resumed>) = 0 [pid 3772] +++ killed by SIGTRAP +++ [pid 3771] <... mmap resumed>) = 0x7fcfc2393000 [pid 3770] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3764] +++ killed by SIGTRAP +++ [pid 3775] write(3, "1000", 4 [pid 3774] <... set_robust_list resumed>) = 0 [pid 3773] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3771] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3642] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=3764, si_uid=0, si_status=SIGTRAP, si_utime=0, si_stime=1} --- ./strace-static-x86_64: Process 3776 attached [pid 3775] <... write resumed>) = 4 [pid 3774] perf_event_open( [pid 3773] <... futex resumed>) = 0 [pid 3771] <... mprotect resumed>) = 0 [pid 3770] <... clone resumed>, parent_tid=[3776], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3776 [pid 3776] set_robust_list(0x7fcfc23b39e0, 24 [pid 3775] close(3 [pid 3774] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3773] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3771] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3770] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3776] <... set_robust_list resumed>) = 0 [pid 3775] <... close resumed>) = 0 [pid 3774] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3773] <... mmap resumed>) = 0x7fcfc2393000 [pid 3770] <... futex resumed>) = 0 [pid 3642] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3777 attached [pid 3776] perf_event_open( [pid 3775] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3774] <... futex resumed>) = 1 [pid 3773] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3771] <... clone resumed>, parent_tid=[3777], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3777 [pid 3770] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3768] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3778 attached [pid 3777] set_robust_list(0x7fcfc23b39e0, 24 [pid 3775] <... futex resumed>) = 0 [pid 3771] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3768] exit_group(0 [pid 3778] set_robust_list(0x55555675d5e0, 24 [pid 3775] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3771] <... futex resumed>) = 0 [pid 3768] <... exit_group resumed>) = ? [pid 3642] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3778 [pid 3778] <... set_robust_list resumed>) = 0 [pid 3775] <... mmap resumed>) = 0x7fcfc2393000 [pid 3773] <... mprotect resumed>) = 0 [pid 3771] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3778] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3776] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3775] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3778] <... prctl resumed>) = 0 [pid 3775] <... mprotect resumed>) = 0 [pid 3778] setpgid(0, 0 [pid 3775] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3778] <... setpgid resumed>) = 0 [pid 3778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3775] <... clone resumed>, parent_tid=[3779], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3779 [pid 3778] <... openat resumed>) = 3 [pid 3775] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3778] write(3, "1000", 4 [pid 3775] <... futex resumed>) = 0 [pid 3774] +++ exited with 0 +++ [pid 3768] +++ exited with 0 +++ [pid 3778] <... write resumed>) = 4 [pid 3776] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3775] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3773] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3647] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3768, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3778] close(3) = 0 [pid 3776] <... futex resumed>) = 1 [pid 3770] <... futex resumed>) = 0 [pid 3778] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3776] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3773] <... clone resumed>, parent_tid=[3780], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3780 [pid 3770] exit_group(0 [pid 3778] <... futex resumed>) = 0 [pid 3776] <... futex resumed>) = ? [pid 3773] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3770] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 3780 attached ./strace-static-x86_64: Process 3779 attached [pid 3778] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3777] <... set_robust_list resumed>) = 0 [pid 3776] +++ exited with 0 +++ [pid 3773] <... futex resumed>) = 0 [pid 3770] +++ exited with 0 +++ [pid 3647] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3780] set_robust_list(0x7fcfc23b39e0, 24 [pid 3779] set_robust_list(0x7fcfc23b39e0, 24 [pid 3778] <... mmap resumed>) = 0x7fcfc2393000 [pid 3773] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3778] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 3781 attached [pid 3780] <... set_robust_list resumed>) = 0 [pid 3779] <... set_robust_list resumed>) = 0 [pid 3778] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3777] perf_event_open( [pid 3647] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3781 [pid 3646] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3770, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3646] restart_syscall(<... resuming interrupted clone ...> [pid 3778] <... clone resumed>, parent_tid=[3782], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3782 [pid 3777] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3646] <... restart_syscall resumed>) = 0 [pid 3778] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3777] --- SIGTRAP {si_signo=SIGTRAP, si_code=TRAP_PERF, si_pid=-2079625736, si_uid=-1, si_int=3155, si_ptr=0xc53} --- [pid 3778] <... futex resumed>) = 0 [pid 3781] set_robust_list(0x55555675d5e0, 24 [pid 3780] perf_event_open( [pid 3779] perf_event_open( [pid 3778] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3771] <... futex resumed>) = ? [pid 3646] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3782 attached [pid 3781] <... set_robust_list resumed>) = 0 [pid 3780] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3779] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3777] +++ killed by SIGTRAP +++ [pid 3771] +++ killed by SIGTRAP +++ [pid 3780] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3643] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=3771, si_uid=0, si_status=SIGTRAP, si_utime=0, si_stime=0} --- [pid 3779] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3780] <... futex resumed>) = 1 [pid 3779] <... futex resumed>) = 1 [pid 3775] <... futex resumed>) = 0 [pid 3773] <... futex resumed>) = 0 [pid 3646] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3783 [pid 3782] set_robust_list(0x7fcfc23b39e0, 24 [pid 3781] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3780] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3779] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3775] exit_group(0 [pid 3773] exit_group(0./strace-static-x86_64: Process 3783 attached [pid 3782] <... set_robust_list resumed>) = 0 [pid 3781] <... prctl resumed>) = 0 [pid 3780] <... futex resumed>) = ? [pid 3779] <... futex resumed>) = ? [pid 3775] <... exit_group resumed>) = ? [pid 3773] <... exit_group resumed>) = ? [pid 3643] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3783] set_robust_list(0x55555675d5e0, 24 [pid 3780] +++ exited with 0 +++ [pid 3773] +++ exited with 0 +++ [pid 3783] <... set_robust_list resumed>) = 0 [pid 3648] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3773, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3643] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3784 [pid 3783] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 3784 attached [pid 3783] setpgid(0, 0 [pid 3782] perf_event_open( [pid 3781] setpgid(0, 0 [pid 3779] +++ exited with 0 +++ [pid 3775] +++ exited with 0 +++ [pid 3784] set_robust_list(0x55555675d5e0, 24 [pid 3783] <... setpgid resumed>) = 0 [pid 3782] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3781] <... setpgid resumed>) = 0 [pid 3644] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3775, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3784] <... set_robust_list resumed>) = 0 [pid 3783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3782] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3784] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3783] <... openat resumed>) = 3 [pid 3782] <... futex resumed>) = 1 [pid 3781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3778] <... futex resumed>) = 0 [pid 3648] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3784] <... prctl resumed>) = 0 [pid 3783] write(3, "1000", 4 [pid 3782] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3781] <... openat resumed>) = 3 [pid 3778] exit_group(0./strace-static-x86_64: Process 3785 attached [pid 3784] setpgid(0, 0 [pid 3783] <... write resumed>) = 4 [pid 3782] <... futex resumed>) = ? [pid 3781] write(3, "1000", 4 [pid 3778] <... exit_group resumed>) = ? [pid 3785] set_robust_list(0x55555675d5e0, 24 [pid 3784] <... setpgid resumed>) = 0 [pid 3783] close(3 [pid 3782] +++ exited with 0 +++ [pid 3781] <... write resumed>) = 4 [pid 3778] +++ exited with 0 +++ [pid 3648] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3785 [pid 3785] <... set_robust_list resumed>) = 0 [pid 3784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3783] <... close resumed>) = 0 [pid 3781] close(3 [pid 3644] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3785] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3784] <... openat resumed>) = 3 [pid 3783] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3781] <... close resumed>) = 0 [pid 3783] <... futex resumed>) = 0 [pid 3783] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3781] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3784] write(3, "1000", 4 [pid 3785] <... prctl resumed>) = 0 [pid 3642] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3778, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3784] <... write resumed>) = 4 [pid 3783] <... mmap resumed>) = 0x7fcfc2393000 [pid 3781] <... futex resumed>) = 0 [pid 3644] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3786 [pid 3642] restart_syscall(<... resuming interrupted clone ...> [pid 3785] setpgid(0, 0 [pid 3784] close(3 [pid 3783] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3781] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3642] <... restart_syscall resumed>) = 0 [pid 3785] <... setpgid resumed>) = 0 [pid 3784] <... close resumed>) = 0 [pid 3783] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 3786 attached [pid 3784] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3783] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3781] <... mmap resumed>) = 0x7fcfc2393000 ./strace-static-x86_64: Process 3787 attached [pid 3786] set_robust_list(0x55555675d5e0, 24 [pid 3785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3784] <... futex resumed>) = 0 [pid 3781] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3787] set_robust_list(0x7fcfc23b39e0, 24 [pid 3786] <... set_robust_list resumed>) = 0 [pid 3785] <... openat resumed>) = 3 [pid 3784] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3783] <... clone resumed>, parent_tid=[3787], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3787 [pid 3786] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3783] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3781] <... mprotect resumed>) = 0 [pid 3785] write(3, "1000", 4 [pid 3784] <... mmap resumed>) = 0x7fcfc2393000 [pid 3783] <... futex resumed>) = 0 [pid 3781] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3642] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3786] <... prctl resumed>) = 0 [pid 3785] <... write resumed>) = 4 [pid 3784] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3783] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3786] setpgid(0, 0) = 0 [pid 3786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3786] write(3, "1000", 4) = 4 [pid 3784] <... mprotect resumed>) = 0 [pid 3786] close(3 [pid 3785] close(3 [pid 3781] <... clone resumed>, parent_tid=[3788], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3788 [pid 3642] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3789 [pid 3786] <... close resumed>) = 0 [pid 3785] <... close resumed>) = 0 [pid 3784] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3781] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3786] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3785] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3786] <... futex resumed>) = 0 [pid 3785] <... futex resumed>) = 0 [pid 3781] <... futex resumed>) = 0 [pid 3784] <... clone resumed>, parent_tid=[3790], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3790 ./strace-static-x86_64: Process 3789 attached ./strace-static-x86_64: Process 3788 attached [pid 3786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3785] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3784] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3781] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3789] set_robust_list(0x55555675d5e0, 24 [pid 3788] set_robust_list(0x7fcfc23b39e0, 24 [pid 3786] <... mmap resumed>) = 0x7fcfc2393000 [pid 3785] <... mmap resumed>) = 0x7fcfc2393000 [pid 3784] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3790 attached [pid 3789] <... set_robust_list resumed>) = 0 [pid 3788] <... set_robust_list resumed>) = 0 [pid 3786] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3785] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3784] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3790] set_robust_list(0x7fcfc23b39e0, 24 [pid 3789] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3788] perf_event_open( [pid 3787] <... set_robust_list resumed>) = 0 [pid 3786] <... mprotect resumed>) = 0 [pid 3785] <... mprotect resumed>) = 0 [pid 3790] <... set_robust_list resumed>) = 0 [pid 3789] <... prctl resumed>) = 0 [pid 3788] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3786] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3791 attached [pid 3790] perf_event_open( [pid 3789] setpgid(0, 0 [pid 3788] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3787] perf_event_open( [pid 3785] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3791] set_robust_list(0x7fcfc23b39e0, 24 [pid 3790] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3789] <... setpgid resumed>) = 0 [pid 3788] <... futex resumed>) = 1 [pid 3787] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3786] <... clone resumed>, parent_tid=[3791], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3791 [pid 3781] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3792 attached [pid 3791] <... set_robust_list resumed>) = 0 [pid 3790] --- SIGTRAP {si_signo=SIGTRAP, si_code=TRAP_PERF, si_pid=-2079625736, si_uid=-1, si_int=3155, si_ptr=0xc53} --- [pid 3789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3788] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3787] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3786] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3781] exit_group(0 [pid 3792] set_robust_list(0x7fcfc23b39e0, 24 [pid 3791] perf_event_open( [pid 3789] <... openat resumed>) = 3 [pid 3788] <... futex resumed>) = ? [pid 3787] <... futex resumed>) = 1 [pid 3786] <... futex resumed>) = 0 [pid 3785] <... clone resumed>, parent_tid=[3792], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3792 [pid 3784] <... futex resumed>) = ? [pid 3783] <... futex resumed>) = 0 [pid 3781] <... exit_group resumed>) = ? [pid 3792] <... set_robust_list resumed>) = 0 [pid 3791] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3790] +++ killed by SIGTRAP +++ [pid 3789] write(3, "1000", 4 [pid 3788] +++ exited with 0 +++ [pid 3787] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3786] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3785] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3784] +++ killed by SIGTRAP +++ [pid 3783] exit_group(0 [pid 3781] +++ exited with 0 +++ [pid 3791] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3789] <... write resumed>) = 4 [pid 3785] <... futex resumed>) = 0 [pid 3783] <... exit_group resumed>) = ? [pid 3647] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3781, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3787] <... futex resumed>) = ? [pid 3791] <... futex resumed>) = 1 [pid 3789] close(3 [pid 3786] <... futex resumed>) = 0 [pid 3785] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3789] <... close resumed>) = 0 [pid 3786] exit_group(0 [pid 3643] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=3784, si_uid=0, si_status=SIGTRAP, si_utime=0, si_stime=0} --- [pid 3789] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3786] <... exit_group resumed>) = ? [pid 3789] <... futex resumed>) = 0 [pid 3789] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcfc2393000 [pid 3789] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3789] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3793], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3793 [pid 3789] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3787] +++ exited with 0 +++ [pid 3783] +++ exited with 0 +++ [pid 3789] <... futex resumed>) = 0 [pid 3646] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3783, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3643] restart_syscall(<... resuming interrupted clone ...> [pid 3792] perf_event_open( [pid 3789] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3643] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 3793 attached [pid 3793] set_robust_list(0x7fcfc23b39e0, 24 [pid 3643] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3647] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3646] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3793] <... set_robust_list resumed>) = 0 [pid 3793] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3793] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3789] <... futex resumed>) = 0 [pid 3789] exit_group(0) = ? [pid 3793] <... futex resumed>) = ? [pid 3793] +++ exited with 0 +++ [pid 3789] +++ exited with 0 +++ [pid 3647] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3795 [pid 3643] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3794 [pid 3642] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3789, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 3794 attached [pid 3646] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3796 [pid 3794] set_robust_list(0x55555675d5e0, 24./strace-static-x86_64: Process 3795 attached [pid 3795] set_robust_list(0x55555675d5e0, 24 [pid 3794] <... set_robust_list resumed>) = 0 [pid 3642] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3795] <... set_robust_list resumed>) = 0 [pid 3794] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3795] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3794] <... prctl resumed>) = 0 [pid 3642] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3797 ./strace-static-x86_64: Process 3796 attached [pid 3795] <... prctl resumed>) = 0 [pid 3794] setpgid(0, 0 [pid 3796] set_robust_list(0x55555675d5e0, 24 [pid 3795] setpgid(0, 0 [pid 3794] <... setpgid resumed>) = 0 [pid 3792] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3791] +++ exited with 0 +++ [pid 3786] +++ exited with 0 +++ [pid 3792] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3644] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3786, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3785] <... futex resumed>) = 0 [pid 3792] <... futex resumed>) = 1 [pid 3785] exit_group(0 [pid 3796] <... set_robust_list resumed>) = 0 [pid 3795] <... setpgid resumed>) = 0 [pid 3794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3785] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 3797 attached [pid 3796] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3794] <... openat resumed>) = 3 [pid 3796] <... prctl resumed>) = 0 [pid 3795] <... openat resumed>) = 3 [pid 3794] write(3, "1000", 4 [pid 3644] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3796] setpgid(0, 0 [pid 3795] write(3, "1000", 4 [pid 3794] <... write resumed>) = 4 [pid 3796] <... setpgid resumed>) = 0 [pid 3795] <... write resumed>) = 4 [pid 3794] close(3 [pid 3796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3795] close(3 [pid 3794] <... close resumed>) = 0 [pid 3796] <... openat resumed>) = 3 [pid 3795] <... close resumed>) = 0 [pid 3794] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3644] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3798 [pid 3796] write(3, "1000", 4 [pid 3795] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3794] <... futex resumed>) = 0 [pid 3796] <... write resumed>) = 4 [pid 3795] <... futex resumed>) = 0 [pid 3794] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 3798 attached [pid 3796] close(3 [pid 3795] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3798] set_robust_list(0x55555675d5e0, 24 [pid 3797] set_robust_list(0x55555675d5e0, 24 [pid 3796] <... close resumed>) = 0 [pid 3794] <... mmap resumed>) = 0x7fcfc2393000 [pid 3798] <... set_robust_list resumed>) = 0 [pid 3796] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3795] <... mmap resumed>) = 0x7fcfc2393000 [pid 3794] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3797] <... set_robust_list resumed>) = 0 [pid 3798] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3796] <... futex resumed>) = 0 [pid 3795] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3794] <... mprotect resumed>) = 0 [pid 3798] <... prctl resumed>) = 0 [pid 3797] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3796] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3795] <... mprotect resumed>) = 0 [pid 3794] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3799 attached [pid 3798] setpgid(0, 0 [pid 3797] <... prctl resumed>) = 0 [pid 3796] <... mmap resumed>) = 0x7fcfc2393000 [pid 3795] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3792] +++ exited with 0 +++ [pid 3785] +++ exited with 0 +++ [pid 3798] <... setpgid resumed>) = 0 [pid 3797] setpgid(0, 0 [pid 3796] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3794] <... clone resumed>, parent_tid=[3799], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3799 [pid 3648] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3785, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 3800 attached [pid 3799] set_robust_list(0x7fcfc23b39e0, 24 [pid 3798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3797] <... setpgid resumed>) = 0 [pid 3796] <... mprotect resumed>) = 0 [pid 3795] <... clone resumed>, parent_tid=[3800], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3800 [pid 3794] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3800] set_robust_list(0x7fcfc23b39e0, 24 [pid 3799] <... set_robust_list resumed>) = 0 [pid 3798] <... openat resumed>) = 3 [pid 3797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3796] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3795] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3794] <... futex resumed>) = 0 [pid 3798] write(3, "1000", 4 [pid 3794] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3798] <... write resumed>) = 4 [pid 3796] <... clone resumed>, parent_tid=[3801], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3801 [pid 3798] close(3 [pid 3796] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3798] <... close resumed>) = 0 [pid 3796] <... futex resumed>) = 0 [pid 3798] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3796] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3798] <... futex resumed>) = 0 [pid 3798] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcfc2393000 [pid 3798] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3795] <... futex resumed>) = 0 [pid 3798] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3797] <... openat resumed>) = 3 [pid 3795] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3648] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3799] perf_event_open( [pid 3797] write(3, "1000", 4 [pid 3798] <... clone resumed>, parent_tid=[3802], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3802 [pid 3798] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3798] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3801 attached [pid 3801] set_robust_list(0x7fcfc23b39e0, 24 [pid 3797] <... write resumed>) = 4 [pid 3648] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3803 [pid 3799] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3797] close(3 [pid 3801] <... set_robust_list resumed>) = 0 [pid 3797] <... close resumed>) = 0 ./strace-static-x86_64: Process 3803 attached ./strace-static-x86_64: Process 3802 attached [pid 3801] perf_event_open( [pid 3799] --- SIGTRAP {si_signo=SIGTRAP, si_code=TRAP_PERF, si_pid=-2079625736, si_uid=-1, si_int=3155, si_ptr=0xc53} --- [pid 3800] <... set_robust_list resumed>) = 0 [pid 3797] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3797] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3802] set_robust_list(0x7fcfc23b39e0, 24 [pid 3801] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3800] perf_event_open( [pid 3797] <... mmap resumed>) = 0x7fcfc2393000 [pid 3802] <... set_robust_list resumed>) = 0 [pid 3801] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3800] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3797] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3794] <... futex resumed>) = ? [pid 3797] <... mprotect resumed>) = 0 [pid 3802] perf_event_open( [pid 3801] <... futex resumed>) = 1 [pid 3800] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3797] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3796] <... futex resumed>) = 0 [pid 3803] set_robust_list(0x55555675d5e0, 24 [pid 3802] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3801] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3800] <... futex resumed>) = 1 [pid 3796] exit_group(0 [pid 3795] <... futex resumed>) = 0 [pid 3803] <... set_robust_list resumed>) = 0 [pid 3802] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3801] <... futex resumed>) = ? [pid 3800] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3797] <... clone resumed>, parent_tid=[3804], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3804 [pid 3796] <... exit_group resumed>) = ? [pid 3795] exit_group(0./strace-static-x86_64: Process 3804 attached [pid 3803] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3802] <... futex resumed>) = 1 [pid 3801] +++ exited with 0 +++ [pid 3800] <... futex resumed>) = ? [pid 3799] +++ killed by SIGTRAP +++ [pid 3798] <... futex resumed>) = 0 [pid 3797] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3796] +++ exited with 0 +++ [pid 3795] <... exit_group resumed>) = ? [pid 3794] +++ killed by SIGTRAP +++ [pid 3804] set_robust_list(0x7fcfc23b39e0, 24 [pid 3802] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3798] exit_group(0 [pid 3797] <... futex resumed>) = 0 [pid 3643] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=3794, si_uid=0, si_status=SIGTRAP, si_utime=0, si_stime=0} --- [pid 3804] <... set_robust_list resumed>) = 0 [pid 3802] <... futex resumed>) = ? [pid 3798] <... exit_group resumed>) = ? [pid 3797] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3646] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3796, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3804] perf_event_open( [pid 3646] restart_syscall(<... resuming interrupted clone ...> [pid 3804] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3646] <... restart_syscall resumed>) = 0 [pid 3643] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3804] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3802] +++ exited with 0 +++ [pid 3798] +++ exited with 0 +++ [pid 3804] <... futex resumed>) = 1 [pid 3797] <... futex resumed>) = 0 [pid 3644] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3798, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3643] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3805 [pid 3804] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3803] <... prctl resumed>) = 0 [pid 3800] +++ exited with 0 +++ [pid 3797] exit_group(0 [pid 3795] +++ exited with 0 +++ [pid 3646] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3805 attached [pid 3804] <... futex resumed>) = ? [pid 3803] setpgid(0, 0 [pid 3797] <... exit_group resumed>) = ? [pid 3647] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3795, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 3806 attached [pid 3805] set_robust_list(0x55555675d5e0, 24 [pid 3804] +++ exited with 0 +++ [pid 3803] <... setpgid resumed>) = 0 [pid 3805] <... set_robust_list resumed>) = 0 [pid 3803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3797] +++ exited with 0 +++ [pid 3806] set_robust_list(0x55555675d5e0, 24 [pid 3646] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3806 [pid 3644] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3806] <... set_robust_list resumed>) = 0 [pid 3805] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3803] <... openat resumed>) = 3 ./strace-static-x86_64: Process 3807 attached [pid 3806] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3805] <... prctl resumed>) = 0 [pid 3803] write(3, "1000", 4 [pid 3644] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3807 [pid 3806] <... prctl resumed>) = 0 [pid 3805] setpgid(0, 0 [pid 3803] <... write resumed>) = 4 [pid 3642] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3797, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3807] set_robust_list(0x55555675d5e0, 24 [pid 3806] setpgid(0, 0 [pid 3805] <... setpgid resumed>) = 0 [pid 3803] close(3 [pid 3642] restart_syscall(<... resuming interrupted clone ...> [pid 3806] <... setpgid resumed>) = 0 [pid 3805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3803] <... close resumed>) = 0 [pid 3647] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3642] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 3808 attached [pid 3807] <... set_robust_list resumed>) = 0 [pid 3806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3805] <... openat resumed>) = 3 [pid 3803] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3806] <... openat resumed>) = 3 [pid 3805] write(3, "1000", 4 [pid 3803] <... futex resumed>) = 0 [pid 3647] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3808 [pid 3807] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3806] write(3, "1000", 4 [pid 3642] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3808] set_robust_list(0x55555675d5e0, 24 [pid 3807] <... prctl resumed>) = 0 [pid 3806] <... write resumed>) = 4 [pid 3805] <... write resumed>) = 4 [pid 3803] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 3809 attached [pid 3808] <... set_robust_list resumed>) = 0 [pid 3807] setpgid(0, 0 [pid 3806] close(3 [pid 3805] close(3 [pid 3803] <... mmap resumed>) = 0x7fcfc2393000 [pid 3809] set_robust_list(0x55555675d5e0, 24 [pid 3808] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3807] <... setpgid resumed>) = 0 [pid 3806] <... close resumed>) = 0 [pid 3805] <... close resumed>) = 0 [pid 3803] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3642] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3809 [pid 3809] <... set_robust_list resumed>) = 0 [pid 3808] <... prctl resumed>) = 0 [pid 3807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3806] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3805] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3803] <... mprotect resumed>) = 0 [pid 3809] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3808] setpgid(0, 0 [pid 3807] <... openat resumed>) = 3 [pid 3806] <... futex resumed>) = 0 [pid 3805] <... futex resumed>) = 0 [pid 3803] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3810 attached [pid 3809] <... prctl resumed>) = 0 [pid 3808] <... setpgid resumed>) = 0 [pid 3807] write(3, "1000", 4 [pid 3806] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3805] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3809] setpgid(0, 0 [pid 3808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3807] <... write resumed>) = 4 [pid 3806] <... mmap resumed>) = 0x7fcfc2393000 [pid 3805] <... mmap resumed>) = 0x7fcfc2393000 [pid 3803] <... clone resumed>, parent_tid=[3810], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3810 [pid 3810] set_robust_list(0x7fcfc23b39e0, 24 [pid 3809] <... setpgid resumed>) = 0 [pid 3808] <... openat resumed>) = 3 [pid 3807] close(3 [pid 3806] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3805] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3803] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3810] <... set_robust_list resumed>) = 0 [pid 3809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3808] write(3, "1000", 4 [pid 3807] <... close resumed>) = 0 [pid 3806] <... mprotect resumed>) = 0 [pid 3805] <... mprotect resumed>) = 0 [pid 3803] <... futex resumed>) = 0 [pid 3810] perf_event_open( [pid 3809] <... openat resumed>) = 3 [pid 3808] <... write resumed>) = 4 [pid 3807] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3806] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3805] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3803] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3809] write(3, "1000", 4 [pid 3808] close(3 [pid 3807] <... futex resumed>) = 0 [pid 3810] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3809] <... write resumed>) = 4 [pid 3808] <... close resumed>) = 0 [pid 3807] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3806] <... clone resumed>, parent_tid=[3811], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3811 [pid 3805] <... clone resumed>, parent_tid=[3812], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3812 ./strace-static-x86_64: Process 3812 attached [pid 3810] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3809] close(3 [pid 3808] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3807] <... mmap resumed>) = 0x7fcfc2393000 [pid 3806] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3805] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3810] <... futex resumed>) = 1 [pid 3809] <... close resumed>) = 0 [pid 3808] <... futex resumed>) = 0 [pid 3807] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3806] <... futex resumed>) = 0 [pid 3805] <... futex resumed>) = 0 [pid 3803] <... futex resumed>) = 0 [pid 3812] set_robust_list(0x7fcfc23b39e0, 24./strace-static-x86_64: Process 3811 attached [pid 3810] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3809] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3808] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3807] <... mprotect resumed>) = 0 [pid 3806] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3805] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3812] <... set_robust_list resumed>) = 0 [pid 3811] set_robust_list(0x7fcfc23b39e0, 24 [pid 3809] <... futex resumed>) = 0 [pid 3808] <... mmap resumed>) = 0x7fcfc2393000 [pid 3807] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3803] exit_group(0./strace-static-x86_64: Process 3813 attached [pid 3812] perf_event_open( [pid 3811] <... set_robust_list resumed>) = 0 [pid 3810] <... futex resumed>) = ? [pid 3809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3808] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3803] <... exit_group resumed>) = ? [pid 3813] set_robust_list(0x7fcfc23b39e0, 24 [pid 3812] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3811] perf_event_open( [pid 3810] +++ exited with 0 +++ [pid 3809] <... mmap resumed>) = 0x7fcfc2393000 [pid 3808] <... mprotect resumed>) = 0 [pid 3807] <... clone resumed>, parent_tid=[3813], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3813 [pid 3813] <... set_robust_list resumed>) = 0 [pid 3812] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3811] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3809] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3808] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3807] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3803] +++ exited with 0 +++ ./strace-static-x86_64: Process 3814 attached [pid 3813] perf_event_open( [pid 3812] <... futex resumed>) = 1 [pid 3811] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3809] <... mprotect resumed>) = 0 [pid 3807] <... futex resumed>) = 0 [pid 3805] <... futex resumed>) = 0 [pid 3814] set_robust_list(0x7fcfc23b39e0, 24 [pid 3813] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3812] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3811] <... futex resumed>) = 1 [pid 3809] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3808] <... clone resumed>, parent_tid=[3814], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3814 [pid 3807] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3806] <... futex resumed>) = 0 [pid 3805] exit_group(0 [pid 3648] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3803, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3813] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3812] <... futex resumed>) = ? [pid 3811] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3808] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3806] exit_group(0 [pid 3805] <... exit_group resumed>) = ? [pid 3648] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3813] <... futex resumed>) = 0 [pid 3812] +++ exited with 0 +++ [pid 3809] <... clone resumed>, parent_tid=[3815], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3815 [pid 3808] <... futex resumed>) = 0 [pid 3807] exit_group(0 [pid 3806] <... exit_group resumed>) = ? [pid 3811] <... futex resumed>) = ? [pid 3809] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3808] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3807] <... exit_group resumed>) = ? [pid 3805] +++ exited with 0 +++ [pid 3648] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3816 ./strace-static-x86_64: Process 3816 attached [pid 3814] <... set_robust_list resumed>) = 0 [pid 3813] +++ exited with 0 +++ [pid 3809] <... futex resumed>) = 0 [pid 3807] +++ exited with 0 +++ ./strace-static-x86_64: Process 3815 attached [pid 3816] set_robust_list(0x55555675d5e0, 24 [pid 3814] perf_event_open( [pid 3811] +++ exited with 0 +++ [pid 3809] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3806] +++ exited with 0 +++ [pid 3644] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3807, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3814] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3643] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3805, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3816] <... set_robust_list resumed>) = 0 [pid 3814] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3646] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3806, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3816] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3814] <... futex resumed>) = 1 [pid 3808] <... futex resumed>) = 0 [pid 3646] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3643] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3817 attached [pid 3816] <... prctl resumed>) = 0 [pid 3815] set_robust_list(0x7fcfc23b39e0, 24 [pid 3814] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3808] exit_group(0 [pid 3817] set_robust_list(0x55555675d5e0, 24 [pid 3816] setpgid(0, 0 [pid 3808] <... exit_group resumed>) = ? [pid 3646] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3817 [pid 3817] <... set_robust_list resumed>) = 0 [pid 3816] <... setpgid resumed>) = 0 [pid 3814] <... futex resumed>) = ? [pid 3643] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3818 ./strace-static-x86_64: Process 3818 attached [pid 3817] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3815] <... set_robust_list resumed>) = 0 [pid 3817] <... prctl resumed>) = 0 [pid 3816] <... openat resumed>) = 3 [pid 3817] setpgid(0, 0 [pid 3816] write(3, "1000", 4 [pid 3817] <... setpgid resumed>) = 0 [pid 3816] <... write resumed>) = 4 [pid 3817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3816] close(3 [pid 3817] <... openat resumed>) = 3 [pid 3816] <... close resumed>) = 0 [pid 3817] write(3, "1000", 4 [pid 3816] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3817] <... write resumed>) = 4 [pid 3816] <... futex resumed>) = 0 [pid 3817] close(3 [pid 3816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3814] +++ exited with 0 +++ [pid 3808] +++ exited with 0 +++ [pid 3817] <... close resumed>) = 0 [pid 3816] <... mmap resumed>) = 0x7fcfc2393000 [pid 3647] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3808, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3817] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3816] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3644] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3817] <... futex resumed>) = 0 [pid 3816] <... mprotect resumed>) = 0 [pid 3817] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3816] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3817] <... mmap resumed>) = 0x7fcfc2393000 [pid 3647] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3817] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3816] <... clone resumed>, parent_tid=[3820], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3820 [pid 3817] <... mprotect resumed>) = 0 [pid 3816] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3817] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3816] <... futex resumed>) = 0 [pid 3644] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3819 [pid 3816] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3815] perf_event_open( [pid 3647] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3821 [pid 3818] set_robust_list(0x55555675d5e0, 24 [pid 3817] <... clone resumed>, parent_tid=[3822], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3822 ./strace-static-x86_64: Process 3819 attached [pid 3817] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3815] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 ./strace-static-x86_64: Process 3821 attached ./strace-static-x86_64: Process 3820 attached [pid 3819] set_robust_list(0x55555675d5e0, 24 [pid 3818] <... set_robust_list resumed>) = 0 [pid 3817] <... futex resumed>) = 0 [pid 3815] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3819] <... set_robust_list resumed>) = 0 [pid 3817] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3819] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3815] <... futex resumed>) = 1 [pid 3809] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3822 attached [pid 3819] <... prctl resumed>) = 0 [pid 3822] set_robust_list(0x7fcfc23b39e0, 24 [pid 3819] setpgid(0, 0 [pid 3818] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3815] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3809] exit_group(0 [pid 3822] <... set_robust_list resumed>) = 0 [pid 3819] <... setpgid resumed>) = 0 [pid 3818] <... prctl resumed>) = 0 [pid 3815] <... futex resumed>) = ? [pid 3809] <... exit_group resumed>) = ? [pid 3822] perf_event_open( [pid 3819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3815] +++ exited with 0 +++ [pid 3822] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3819] <... openat resumed>) = 3 [pid 3822] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3819] write(3, "1000", 4 [pid 3809] +++ exited with 0 +++ [pid 3818] setpgid(0, 0 [pid 3822] <... futex resumed>) = 1 [pid 3819] <... write resumed>) = 4 [pid 3817] <... futex resumed>) = 0 [pid 3642] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3809, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3822] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3821] set_robust_list(0x55555675d5e0, 24 [pid 3820] set_robust_list(0x7fcfc23b39e0, 24 [pid 3819] close(3 [pid 3818] <... setpgid resumed>) = 0 [pid 3817] exit_group(0 [pid 3642] restart_syscall(<... resuming interrupted clone ...> [pid 3822] <... futex resumed>) = ? [pid 3821] <... set_robust_list resumed>) = 0 [pid 3820] <... set_robust_list resumed>) = 0 [pid 3819] <... close resumed>) = 0 [pid 3818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3817] <... exit_group resumed>) = ? [pid 3642] <... restart_syscall resumed>) = 0 [pid 3822] +++ exited with 0 +++ [pid 3821] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3820] perf_event_open( [pid 3819] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3818] <... openat resumed>) = 3 [pid 3817] +++ exited with 0 +++ [pid 3821] <... prctl resumed>) = 0 [pid 3820] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3819] <... futex resumed>) = 0 [pid 3818] write(3, "1000", 4 [pid 3821] setpgid(0, 0 [pid 3820] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3819] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3818] <... write resumed>) = 4 [pid 3646] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3817, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3642] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3821] <... setpgid resumed>) = 0 [pid 3820] <... futex resumed>) = 1 [pid 3819] <... mmap resumed>) = 0x7fcfc2393000 [pid 3818] close(3 [pid 3816] <... futex resumed>) = 0 [pid 3646] restart_syscall(<... resuming interrupted clone ...> [pid 3821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3820] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3819] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3818] <... close resumed>) = 0 [pid 3816] exit_group(0 [pid 3646] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 3823 attached [pid 3821] <... openat resumed>) = 3 [pid 3820] <... futex resumed>) = ? [pid 3819] <... mprotect resumed>) = 0 [pid 3818] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3816] <... exit_group resumed>) = ? [pid 3642] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3823 [pid 3821] write(3, "1000", 4 [pid 3820] +++ exited with 0 +++ [pid 3819] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3818] <... futex resumed>) = 0 [pid 3821] <... write resumed>) = 4 [pid 3818] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3821] close(3 [pid 3818] <... mmap resumed>) = 0x7fcfc2393000 [pid 3821] <... close resumed>) = 0 [pid 3818] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3816] +++ exited with 0 +++ [pid 3821] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3818] <... mprotect resumed>) = 0 [pid 3821] <... futex resumed>) = 0 [pid 3818] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3821] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3648] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3816, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3646] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3824 attached [pid 3823] set_robust_list(0x55555675d5e0, 24 [pid 3821] <... mmap resumed>) = 0x7fcfc2393000 [pid 3819] <... clone resumed>, parent_tid=[3824], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3824 [pid 3818] <... clone resumed>, parent_tid=[3825], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3825 [pid 3821] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3818] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3821] <... mprotect resumed>) = 0 [pid 3818] <... futex resumed>) = 0 [pid 3821] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3818] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3821] <... clone resumed>, parent_tid=[3826], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3826 [pid 3821] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3823] <... set_robust_list resumed>) = 0 [pid 3821] <... futex resumed>) = 0 [pid 3819] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3821] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3646] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3827 ./strace-static-x86_64: Process 3827 attached [pid 3819] <... futex resumed>) = 0 [pid 3827] set_robust_list(0x55555675d5e0, 24 [pid 3823] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3819] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3824] set_robust_list(0x7fcfc23b39e0, 24 [pid 3823] <... prctl resumed>) = 0 [pid 3648] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3827] <... set_robust_list resumed>) = 0 [pid 3827] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3824] <... set_robust_list resumed>) = 0 [pid 3823] setpgid(0, 0 [pid 3648] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3828 [pid 3823] <... setpgid resumed>) = 0 [pid 3827] <... prctl resumed>) = 0 [pid 3824] perf_event_open( [pid 3827] setpgid(0, 0) = 0 [pid 3824] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3824] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3823] <... openat resumed>) = 3 ./strace-static-x86_64: Process 3828 attached ./strace-static-x86_64: Process 3826 attached ./strace-static-x86_64: Process 3825 attached [pid 3827] <... openat resumed>) = 3 [pid 3824] <... futex resumed>) = 1 [pid 3823] write(3, "1000", 4 [pid 3819] <... futex resumed>) = 0 [pid 3828] set_robust_list(0x55555675d5e0, 24 [pid 3827] write(3, "1000", 4 [pid 3826] set_robust_list(0x7fcfc23b39e0, 24 [pid 3825] set_robust_list(0x7fcfc23b39e0, 24 [pid 3824] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3823] <... write resumed>) = 4 [pid 3819] exit_group(0 [pid 3828] <... set_robust_list resumed>) = 0 [pid 3825] <... set_robust_list resumed>) = 0 [pid 3824] <... futex resumed>) = ? [pid 3823] close(3 [pid 3819] <... exit_group resumed>) = ? [pid 3828] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3827] <... write resumed>) = 4 [pid 3826] <... set_robust_list resumed>) = 0 [pid 3825] perf_event_open( [pid 3824] +++ exited with 0 +++ [pid 3823] <... close resumed>) = 0 [pid 3819] +++ exited with 0 +++ [pid 3828] <... prctl resumed>) = 0 [pid 3825] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3823] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3644] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3819, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3828] setpgid(0, 0 [pid 3827] close(3 [pid 3826] perf_event_open( [pid 3825] --- SIGTRAP {si_signo=SIGTRAP, si_code=TRAP_PERF, si_pid=-2079625736, si_uid=-1, si_int=3155, si_ptr=0xc53} --- [pid 3823] <... futex resumed>) = 0 [pid 3644] restart_syscall(<... resuming interrupted clone ...> [pid 3828] <... setpgid resumed>) = 0 [pid 3827] <... close resumed>) = 0 [pid 3823] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3818] <... futex resumed>) = ? [pid 3644] <... restart_syscall resumed>) = 0 [pid 3828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3827] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3826] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3825] +++ killed by SIGTRAP +++ [pid 3823] <... mmap resumed>) = 0x7fcfc2393000 [pid 3828] <... openat resumed>) = 3 [pid 3823] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3828] write(3, "1000", 4 [pid 3827] <... futex resumed>) = 0 [pid 3826] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3823] <... mprotect resumed>) = 0 [pid 3818] +++ killed by SIGTRAP +++ [pid 3644] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3829 attached [pid 3828] <... write resumed>) = 4 [pid 3827] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3826] <... futex resumed>) = 1 [pid 3823] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3821] <... futex resumed>) = 0 [pid 3643] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=3818, si_uid=0, si_status=SIGTRAP, si_utime=0, si_stime=2} --- [pid 3828] close(3 [pid 3827] <... mmap resumed>) = 0x7fcfc2393000 [pid 3826] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3821] exit_group(0 [pid 3644] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3829 [pid 3828] <... close resumed>) = 0 [pid 3827] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3826] <... futex resumed>) = ? [pid 3823] <... clone resumed>, parent_tid=[3830], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3830 [pid 3821] <... exit_group resumed>) = ? [pid 3643] restart_syscall(<... resuming interrupted clone ...> [pid 3828] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3823] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3828] <... futex resumed>) = 0 [pid 3827] <... mprotect resumed>) = 0 [pid 3823] <... futex resumed>) = 0 [pid 3643] <... restart_syscall resumed>) = 0 [pid 3828] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3823] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3828] <... mmap resumed>) = 0x7fcfc2393000 [pid 3828] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3828] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3831], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3831 [pid 3828] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3828] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3831 attached [pid 3831] set_robust_list(0x7fcfc23b39e0, 24 [pid 3826] +++ exited with 0 +++ [pid 3821] +++ exited with 0 +++ [pid 3647] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3821, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3827] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3832], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3832 [pid 3643] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3827] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3647] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3831] <... set_robust_list resumed>) = 0 [pid 3831] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3831] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3828] <... futex resumed>) = 0 [pid 3828] exit_group(0 [pid 3827] <... futex resumed>) = 0 [pid 3647] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3834 [pid 3643] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3833 [pid 3828] <... exit_group resumed>) = ? [pid 3827] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3833 attached ./strace-static-x86_64: Process 3830 attached [pid 3831] <... futex resumed>) = ? [pid 3829] set_robust_list(0x55555675d5e0, 24) = 0 [pid 3833] set_robust_list(0x55555675d5e0, 24 [pid 3831] +++ exited with 0 +++ [pid 3830] set_robust_list(0x7fcfc23b39e0, 24 [pid 3829] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3828] +++ exited with 0 +++ [pid 3829] <... prctl resumed>) = 0 [pid 3833] <... set_robust_list resumed>) = 0 [pid 3830] <... set_robust_list resumed>) = 0 [pid 3648] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3828, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 3834 attached [pid 3829] setpgid(0, 0 [pid 3648] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3832 attached [pid 3834] set_robust_list(0x55555675d5e0, 24 [pid 3833] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3834] <... set_robust_list resumed>) = 0 [pid 3832] set_robust_list(0x7fcfc23b39e0, 24 [pid 3834] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3832] <... set_robust_list resumed>) = 0 [pid 3829] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 3835 attached [pid 3834] <... prctl resumed>) = 0 [pid 3833] <... prctl resumed>) = 0 [pid 3832] perf_event_open( [pid 3830] perf_event_open( [pid 3648] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3835 [pid 3834] setpgid(0, 0 [pid 3832] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3834] <... setpgid resumed>) = 0 [pid 3832] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3833] setpgid(0, 0 [pid 3832] <... futex resumed>) = 1 [pid 3829] <... openat resumed>) = 3 [pid 3827] <... futex resumed>) = 0 [pid 3830] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3834] <... openat resumed>) = 3 [pid 3833] <... setpgid resumed>) = 0 [pid 3832] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3829] write(3, "1000", 4 [pid 3827] exit_group(0 [pid 3834] write(3, "1000", 4 [pid 3832] <... futex resumed>) = ? [pid 3829] <... write resumed>) = 4 [pid 3827] <... exit_group resumed>) = ? [pid 3835] set_robust_list(0x55555675d5e0, 24 [pid 3834] <... write resumed>) = 4 [pid 3833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3832] +++ exited with 0 +++ [pid 3830] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3829] close(3 [pid 3827] +++ exited with 0 +++ [pid 3835] <... set_robust_list resumed>) = 0 [pid 3834] close(3 [pid 3833] <... openat resumed>) = 3 [pid 3830] <... futex resumed>) = 1 [pid 3829] <... close resumed>) = 0 [pid 3823] <... futex resumed>) = 0 [pid 3646] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3827, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3834] <... close resumed>) = 0 [pid 3833] write(3, "1000", 4 [pid 3830] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3829] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3823] exit_group(0 [pid 3834] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3833] <... write resumed>) = 4 [pid 3830] <... futex resumed>) = ? [pid 3829] <... futex resumed>) = 0 [pid 3823] <... exit_group resumed>) = ? [pid 3834] <... futex resumed>) = 0 [pid 3833] close(3 [pid 3829] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcfc2393000 [pid 3833] <... close resumed>) = 0 [pid 3829] <... mmap resumed>) = 0x7fcfc2393000 [pid 3834] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3833] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3829] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3834] <... mprotect resumed>) = 0 [pid 3833] <... futex resumed>) = 0 [pid 3829] <... mprotect resumed>) = 0 [pid 3646] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3834] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3833] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3829] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3830] +++ exited with 0 +++ [pid 3823] +++ exited with 0 +++ [pid 3833] <... mmap resumed>) = 0x7fcfc2393000 [pid 3646] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3836 ./strace-static-x86_64: Process 3838 attached [pid 3835] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3834] <... clone resumed>, parent_tid=[3837], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3837 [pid 3833] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3829] <... clone resumed>, parent_tid=[3838], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3838 [pid 3642] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3823, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3835] <... prctl resumed>) = 0 [pid 3834] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3833] <... mprotect resumed>) = 0 [pid 3829] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3642] restart_syscall(<... resuming interrupted clone ...> [pid 3834] <... futex resumed>) = 0 [pid 3833] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3829] <... futex resumed>) = 0 [pid 3642] <... restart_syscall resumed>) = 0 [pid 3835] setpgid(0, 0./strace-static-x86_64: Process 3839 attached ./strace-static-x86_64: Process 3837 attached ./strace-static-x86_64: Process 3836 attached [pid 3834] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3829] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3838] set_robust_list(0x7fcfc23b39e0, 24 [pid 3837] set_robust_list(0x7fcfc23b39e0, 24 [pid 3836] set_robust_list(0x55555675d5e0, 24 [pid 3835] <... setpgid resumed>) = 0 [pid 3833] <... clone resumed>, parent_tid=[3839], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3839 [pid 3837] <... set_robust_list resumed>) = 0 [pid 3836] <... set_robust_list resumed>) = 0 [pid 3835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3833] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3642] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3840 attached [pid 3838] <... set_robust_list resumed>) = 0 [pid 3837] perf_event_open( [pid 3836] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3835] <... openat resumed>) = 3 [pid 3833] <... futex resumed>) = 0 [pid 3838] perf_event_open( [pid 3837] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3836] <... prctl resumed>) = 0 [pid 3835] write(3, "1000", 4 [pid 3833] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3642] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3840 [pid 3838] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3837] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3836] setpgid(0, 0 [pid 3835] <... write resumed>) = 4 [pid 3839] set_robust_list(0x7fcfc23b39e0, 24 [pid 3838] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3837] <... futex resumed>) = 1 [pid 3836] <... setpgid resumed>) = 0 [pid 3835] close(3 [pid 3834] <... futex resumed>) = 0 [pid 3840] set_robust_list(0x55555675d5e0, 24 [pid 3839] <... set_robust_list resumed>) = 0 [pid 3838] <... futex resumed>) = 1 [pid 3837] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3835] <... close resumed>) = 0 [pid 3834] exit_group(0 [pid 3829] <... futex resumed>) = 0 [pid 3840] <... set_robust_list resumed>) = 0 [pid 3839] perf_event_open( [pid 3838] --- SIGTRAP {si_signo=SIGTRAP, si_code=TRAP_PERF, si_pid=-2079625736, si_uid=-1, si_int=3155, si_ptr=0xc53} --- [pid 3837] <... futex resumed>) = ? [pid 3836] <... openat resumed>) = 3 [pid 3835] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3834] <... exit_group resumed>) = ? [pid 3829] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3840] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3839] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3837] +++ exited with 0 +++ [pid 3836] write(3, "1000", 4 [pid 3835] <... futex resumed>) = 0 [pid 3834] +++ exited with 0 +++ [pid 3839] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3836] <... write resumed>) = 4 [pid 3835] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3647] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3834, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3839] <... futex resumed>) = 1 [pid 3836] close(3 [pid 3833] <... futex resumed>) = 0 [pid 3647] restart_syscall(<... resuming interrupted clone ...> [pid 3835] <... mmap resumed>) = 0x7fcfc2393000 [pid 3839] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3836] <... close resumed>) = 0 [pid 3835] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3833] exit_group(0 [pid 3647] <... restart_syscall resumed>) = 0 [pid 3839] <... futex resumed>) = ? [pid 3836] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3833] <... exit_group resumed>) = ? [pid 3835] <... mprotect resumed>) = 0 [pid 3839] +++ exited with 0 +++ [pid 3838] +++ killed by SIGTRAP +++ [pid 3836] <... futex resumed>) = 0 [pid 3835] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3833] +++ exited with 0 +++ [pid 3840] <... prctl resumed>) = 0 [pid 3829] +++ killed by SIGTRAP +++ ./strace-static-x86_64: Process 3841 attached [pid 3836] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3647] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3643] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3833, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 3842 attached [pid 3840] setpgid(0, 0 [pid 3836] <... mmap resumed>) = 0x7fcfc2393000 [pid 3835] <... clone resumed>, parent_tid=[3841], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3841 [pid 3643] restart_syscall(<... resuming interrupted clone ...> [pid 3644] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=3829, si_uid=0, si_status=SIGTRAP, si_utime=0, si_stime=1} --- [pid 3840] <... setpgid resumed>) = 0 [pid 3836] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3835] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3647] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3842 [pid 3643] <... restart_syscall resumed>) = 0 [pid 3840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3836] <... mprotect resumed>) = 0 [pid 3835] <... futex resumed>) = 0 [pid 3644] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3840] <... openat resumed>) = 3 [pid 3836] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3835] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3840] write(3, "1000", 4 [pid 3643] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3845 attached ./strace-static-x86_64: Process 3844 attached [pid 3842] set_robust_list(0x55555675d5e0, 24 [pid 3840] <... write resumed>) = 4 [pid 3836] <... clone resumed>, parent_tid=[3843], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3843 [pid 3644] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3844 [pid 3836] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3643] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3845 [pid 3836] <... futex resumed>) = 0 [pid 3841] set_robust_list(0x7fcfc23b39e0, 24 [pid 3836] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3841] <... set_robust_list resumed>) = 0 [pid 3841] perf_event_open( [pid 3842] <... set_robust_list resumed>) = 0 [pid 3841] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3840] close(3 [pid 3844] set_robust_list(0x55555675d5e0, 24 [pid 3841] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3840] <... close resumed>) = 0 [pid 3842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3841] <... futex resumed>) = 1 [pid 3840] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3835] <... futex resumed>) = 0 [pid 3844] <... set_robust_list resumed>) = 0 [pid 3842] setpgid(0, 0 [pid 3841] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3840] <... futex resumed>) = 0 [pid 3835] exit_group(0 [pid 3842] <... setpgid resumed>) = 0 [pid 3841] <... futex resumed>) = ? [pid 3840] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3835] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 3843 attached [pid 3845] set_robust_list(0x55555675d5e0, 24 [pid 3844] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3841] +++ exited with 0 +++ [pid 3840] <... mmap resumed>) = 0x7fcfc2393000 [pid 3835] +++ exited with 0 +++ [pid 3845] <... set_robust_list resumed>) = 0 [pid 3844] <... prctl resumed>) = 0 [pid 3843] set_robust_list(0x7fcfc23b39e0, 24 [pid 3842] <... openat resumed>) = 3 [pid 3840] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3648] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3835, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3844] setpgid(0, 0 [pid 3843] <... set_robust_list resumed>) = 0 [pid 3842] write(3, "1000", 4 [pid 3840] <... mprotect resumed>) = 0 [pid 3845] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3844] <... setpgid resumed>) = 0 [pid 3843] perf_event_open( [pid 3842] <... write resumed>) = 4 [pid 3840] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3845] <... prctl resumed>) = 0 [pid 3844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3843] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3842] close(3 [pid 3648] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3845] setpgid(0, 0 [pid 3844] <... openat resumed>) = 3 [pid 3843] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3840] <... clone resumed>, parent_tid=[3846], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3846 ./strace-static-x86_64: Process 3847 attached [pid 3845] <... setpgid resumed>) = 0 [pid 3844] write(3, "1000", 4 [pid 3843] <... futex resumed>) = 1 [pid 3842] <... close resumed>) = 0 [pid 3840] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3836] <... futex resumed>) = 0 [pid 3847] set_robust_list(0x55555675d5e0, 24 [pid 3845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3844] <... write resumed>) = 4 [pid 3843] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3842] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3840] <... futex resumed>) = 0 [pid 3836] exit_group(0 [pid 3648] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3847 ./strace-static-x86_64: Process 3846 attached [pid 3847] <... set_robust_list resumed>) = 0 [pid 3845] <... openat resumed>) = 3 [pid 3844] close(3 [pid 3843] <... futex resumed>) = ? [pid 3842] <... futex resumed>) = 0 [pid 3840] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3836] <... exit_group resumed>) = ? [pid 3847] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3846] set_robust_list(0x7fcfc23b39e0, 24 [pid 3845] write(3, "1000", 4 [pid 3844] <... close resumed>) = 0 [pid 3843] +++ exited with 0 +++ [pid 3842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3836] +++ exited with 0 +++ [pid 3846] <... set_robust_list resumed>) = 0 [pid 3844] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3842] <... mmap resumed>) = 0x7fcfc2393000 [pid 3846] perf_event_open( [pid 3842] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3844] <... futex resumed>) = 0 [pid 3845] <... write resumed>) = 4 [pid 3846] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3845] close(3 [pid 3844] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3842] <... mprotect resumed>) = 0 [pid 3646] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3836, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3846] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3646] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3846] <... futex resumed>) = 1 [pid 3844] <... mmap resumed>) = 0x7fcfc2393000 [pid 3842] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3840] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3848 attached [pid 3847] <... prctl resumed>) = 0 [pid 3846] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3845] <... close resumed>) = 0 [pid 3844] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3840] exit_group(0 [pid 3846] <... futex resumed>) = ? [pid 3842] <... clone resumed>, parent_tid=[3849], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3849 [pid 3840] <... exit_group resumed>) = ? [pid 3844] <... mprotect resumed>) = 0 [pid 3646] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3848 [pid 3845] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 3849 attached [pid 3848] set_robust_list(0x55555675d5e0, 24 [pid 3847] setpgid(0, 0 [pid 3846] +++ exited with 0 +++ [pid 3845] <... futex resumed>) = 0 [pid 3844] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3842] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3840] +++ exited with 0 +++ [pid 3849] set_robust_list(0x7fcfc23b39e0, 24 [pid 3848] <... set_robust_list resumed>) = 0 [pid 3847] <... setpgid resumed>) = 0 [pid 3845] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 3850 attached [pid 3849] <... set_robust_list resumed>) = 0 [pid 3848] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3845] <... mmap resumed>) = 0x7fcfc2393000 [pid 3842] <... futex resumed>) = 0 [pid 3845] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3844] <... clone resumed>, parent_tid=[3850], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3850 [pid 3842] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3642] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3840, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3849] perf_event_open( [pid 3847] <... openat resumed>) = 3 [pid 3845] <... mprotect resumed>) = 0 [pid 3844] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3642] restart_syscall(<... resuming interrupted clone ...> [pid 3850] set_robust_list(0x7fcfc23b39e0, 24 [pid 3848] <... prctl resumed>) = 0 [pid 3849] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3847] write(3, "1000", 4 [pid 3845] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3844] <... futex resumed>) = 0 [pid 3642] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 3851 attached [pid 3850] <... set_robust_list resumed>) = 0 [pid 3849] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3848] setpgid(0, 0 [pid 3847] <... write resumed>) = 4 [pid 3844] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3851] set_robust_list(0x7fcfc23b39e0, 24 [pid 3850] perf_event_open( [pid 3849] <... futex resumed>) = 1 [pid 3848] <... setpgid resumed>) = 0 [pid 3847] close(3 [pid 3845] <... clone resumed>, parent_tid=[3851], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3851 [pid 3842] <... futex resumed>) = 0 [pid 3851] <... set_robust_list resumed>) = 0 [pid 3850] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3847] <... close resumed>) = 0 [pid 3845] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3842] exit_group(0 [pid 3642] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3851] perf_event_open( [pid 3850] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3848] <... openat resumed>) = 3 [pid 3847] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3845] <... futex resumed>) = 0 [pid 3842] <... exit_group resumed>) = ? [pid 3851] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3850] <... futex resumed>) = 1 [pid 3848] write(3, "1000", 4 [pid 3847] <... futex resumed>) = 0 [pid 3844] <... futex resumed>) = 0 [pid 3851] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3850] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3848] <... write resumed>) = 4 [pid 3847] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3845] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3844] exit_group(0 [pid 3642] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3852 [pid 3851] <... futex resumed>) = 0 [pid 3850] <... futex resumed>) = ? [pid 3848] close(3 [pid 3847] <... mmap resumed>) = 0x7fcfc2393000 [pid 3845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3844] <... exit_group resumed>) = ? [pid 3851] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3850] +++ exited with 0 +++ [pid 3848] <... close resumed>) = 0 [pid 3847] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3845] exit_group(0 [pid 3848] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3847] <... mprotect resumed>) = 0 [pid 3848] <... futex resumed>) = 0 [pid 3847] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3844] +++ exited with 0 +++ [pid 3851] <... futex resumed>) = ? [pid 3848] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3845] <... exit_group resumed>) = ? [pid 3851] +++ exited with 0 +++ [pid 3848] <... mmap resumed>) = 0x7fcfc2393000 [pid 3847] <... clone resumed>, parent_tid=[3853], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3853 [pid 3848] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3847] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3644] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3844, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3848] <... mprotect resumed>) = 0 [pid 3847] <... futex resumed>) = 0 [pid 3845] +++ exited with 0 +++ [pid 3644] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3848] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3847] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3643] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3845, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3848] <... clone resumed>, parent_tid=[3854], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3854 [pid 3643] restart_syscall(<... resuming interrupted clone ...> [pid 3848] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3643] <... restart_syscall resumed>) = 0 [pid 3644] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3855 [pid 3848] <... futex resumed>) = 0 [pid 3848] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3643] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3853 attached , child_tidptr=0x55555675d5d0) = 3856 [pid 3853] set_robust_list(0x7fcfc23b39e0, 24) = 0 [pid 3853] perf_event_open(./strace-static-x86_64: Process 3854 attached {type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3854] set_robust_list(0x7fcfc23b39e0, 24 [pid 3853] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 3856 attached [pid 3854] <... set_robust_list resumed>) = 0 [pid 3853] <... futex resumed>) = 1 [pid 3847] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3852 attached [pid 3856] set_robust_list(0x55555675d5e0, 24 [pid 3854] perf_event_open( [pid 3853] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3849] +++ exited with 0 +++ [pid 3847] exit_group(0 [pid 3842] +++ exited with 0 +++ [pid 3856] <... set_robust_list resumed>) = 0 [pid 3854] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3853] <... futex resumed>) = ? [pid 3847] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 3855 attached [pid 3854] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3853] +++ exited with 0 +++ [pid 3852] set_robust_list(0x55555675d5e0, 24 [pid 3855] set_robust_list(0x55555675d5e0, 24 [pid 3854] <... futex resumed>) = 1 [pid 3852] <... set_robust_list resumed>) = 0 [pid 3848] <... futex resumed>) = 0 [pid 3847] +++ exited with 0 +++ [pid 3647] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3842, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3856] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3854] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3848] exit_group(0 [pid 3647] restart_syscall(<... resuming interrupted clone ...> [pid 3856] <... prctl resumed>) = 0 [pid 3855] <... set_robust_list resumed>) = 0 [pid 3854] <... futex resumed>) = ? [pid 3852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3848] <... exit_group resumed>) = ? [pid 3648] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3847, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3647] <... restart_syscall resumed>) = 0 [pid 3856] setpgid(0, 0 [pid 3855] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3854] +++ exited with 0 +++ [pid 3852] <... prctl resumed>) = 0 [pid 3856] <... setpgid resumed>) = 0 [pid 3855] <... prctl resumed>) = 0 [pid 3848] +++ exited with 0 +++ [pid 3648] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3852] setpgid(0, 0 [pid 3856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3855] setpgid(0, 0 [pid 3852] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 3857 attached [pid 3856] <... openat resumed>) = 3 [pid 3855] <... setpgid resumed>) = 0 [pid 3852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3648] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3857 [pid 3647] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3646] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3848, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3857] set_robust_list(0x55555675d5e0, 24 [pid 3856] write(3, "1000", 4 [pid 3855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3852] <... openat resumed>) = 3 [pid 3646] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3858 attached ./strace-static-x86_64: Process 3859 attached [pid 3857] <... set_robust_list resumed>) = 0 [pid 3856] <... write resumed>) = 4 [pid 3855] <... openat resumed>) = 3 [pid 3852] write(3, "1000", 4 [pid 3859] set_robust_list(0x55555675d5e0, 24 [pid 3858] set_robust_list(0x55555675d5e0, 24 [pid 3857] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3856] close(3 [pid 3855] write(3, "1000", 4 [pid 3852] <... write resumed>) = 4 [pid 3647] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3858 [pid 3646] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3859 [pid 3859] <... set_robust_list resumed>) = 0 [pid 3858] <... set_robust_list resumed>) = 0 [pid 3857] <... prctl resumed>) = 0 [pid 3856] <... close resumed>) = 0 [pid 3855] <... write resumed>) = 4 [pid 3852] close(3 [pid 3858] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3857] setpgid(0, 0 [pid 3856] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3855] close(3 [pid 3852] <... close resumed>) = 0 [pid 3858] <... prctl resumed>) = 0 [pid 3857] <... setpgid resumed>) = 0 [pid 3856] <... futex resumed>) = 0 [pid 3855] <... close resumed>) = 0 [pid 3852] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3858] setpgid(0, 0 [pid 3857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3856] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3855] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3852] <... futex resumed>) = 0 [pid 3859] <... prctl resumed>) = 0 [pid 3858] <... setpgid resumed>) = 0 [pid 3857] <... openat resumed>) = 3 [pid 3855] <... futex resumed>) = 0 [pid 3852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3856] <... mmap resumed>) = 0x7fcfc2393000 [pid 3859] setpgid(0, 0 [pid 3858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3857] write(3, "1000", 4 [pid 3856] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3852] <... mmap resumed>) = 0x7fcfc2393000 [pid 3859] <... setpgid resumed>) = 0 [pid 3858] <... openat resumed>) = 3 [pid 3857] <... write resumed>) = 4 [pid 3856] <... mprotect resumed>) = 0 [pid 3855] <... mmap resumed>) = 0x7fcfc2393000 [pid 3852] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3858] write(3, "1000", 4 [pid 3857] close(3 [pid 3856] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3855] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3852] <... mprotect resumed>) = 0 [pid 3857] <... close resumed>) = 0 [pid 3855] <... mprotect resumed>) = 0 [pid 3858] <... write resumed>) = 4 [pid 3857] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3856] <... clone resumed>, parent_tid=[3860], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3860 [pid 3852] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3859] <... openat resumed>) = 3 [pid 3858] close(3 [pid 3857] <... futex resumed>) = 0 [pid 3856] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3855] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3859] write(3, "1000", 4 [pid 3858] <... close resumed>) = 0 [pid 3857] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3856] <... futex resumed>) = 0 [pid 3859] <... write resumed>) = 4 [pid 3858] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3857] <... mmap resumed>) = 0x7fcfc2393000 [pid 3856] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3852] <... clone resumed>, parent_tid=[3861], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3861 ./strace-static-x86_64: Process 3862 attached [pid 3859] close(3 [pid 3858] <... futex resumed>) = 0 [pid 3857] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3855] <... clone resumed>, parent_tid=[3862], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3862 [pid 3852] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3862] set_robust_list(0x7fcfc23b39e0, 24 [pid 3859] <... close resumed>) = 0 [pid 3858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3857] <... mprotect resumed>) = 0 [pid 3855] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3852] <... futex resumed>) = 0 [pid 3859] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3858] <... mmap resumed>) = 0x7fcfc2393000 [pid 3857] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3855] <... futex resumed>) = 0 [pid 3852] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3861 attached ./strace-static-x86_64: Process 3860 attached [pid 3859] <... futex resumed>) = 0 [pid 3858] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3855] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3861] set_robust_list(0x7fcfc23b39e0, 24 [pid 3860] set_robust_list(0x7fcfc23b39e0, 24 [pid 3859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3857] <... clone resumed>, parent_tid=[3863], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3863 [pid 3861] <... set_robust_list resumed>) = 0 [pid 3860] <... set_robust_list resumed>) = 0 [pid 3859] <... mmap resumed>) = 0x7fcfc2393000 [pid 3858] <... mprotect resumed>) = 0 [pid 3857] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3861] perf_event_open( [pid 3860] perf_event_open( [pid 3859] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3858] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3857] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3864 attached ./strace-static-x86_64: Process 3863 attached [pid 3862] <... set_robust_list resumed>) = 0 [pid 3861] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3860] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3859] <... mprotect resumed>) = 0 [pid 3857] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3864] set_robust_list(0x7fcfc23b39e0, 24 [pid 3863] set_robust_list(0x7fcfc23b39e0, 24 [pid 3860] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3863] <... set_robust_list resumed>) = 0 [pid 3862] perf_event_open( [pid 3860] <... futex resumed>) = 1 [pid 3859] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3858] <... clone resumed>, parent_tid=[3864], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3864 [pid 3856] <... futex resumed>) = 0 [pid 3863] perf_event_open( [pid 3860] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3856] exit_group(0 [pid 3863] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3862] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3860] <... futex resumed>) = ? [pid 3859] <... clone resumed>, parent_tid=[3865], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3865 [pid 3858] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3856] <... exit_group resumed>) = ? [pid 3864] <... set_robust_list resumed>) = 0 [pid 3863] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3862] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3861] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3860] +++ exited with 0 +++ [pid 3859] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3858] <... futex resumed>) = 0 [pid 3856] +++ exited with 0 +++ ./strace-static-x86_64: Process 3865 attached [pid 3863] <... futex resumed>) = 1 [pid 3862] <... futex resumed>) = 1 [pid 3859] <... futex resumed>) = 0 [pid 3858] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3857] <... futex resumed>) = 0 [pid 3855] <... futex resumed>) = 0 [pid 3852] <... futex resumed>) = 0 [pid 3861] <... futex resumed>) = 1 [pid 3643] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3856, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3865] set_robust_list(0x7fcfc23b39e0, 24 [pid 3863] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3862] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3859] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3857] exit_group(0 [pid 3855] exit_group(0 [pid 3852] exit_group(0 [pid 3861] --- SIGTRAP {si_signo=SIGTRAP, si_code=TRAP_PERF, si_pid=-2079625736, si_uid=-1, si_int=3155, si_ptr=0xc53} --- [pid 3865] <... set_robust_list resumed>) = 0 [pid 3863] <... futex resumed>) = ? [pid 3862] <... futex resumed>) = ? [pid 3857] <... exit_group resumed>) = ? [pid 3855] <... exit_group resumed>) = ? [pid 3852] <... exit_group resumed>) = ? [pid 3865] perf_event_open( [pid 3864] perf_event_open( [pid 3863] +++ exited with 0 +++ [pid 3862] +++ exited with 0 +++ [pid 3857] +++ exited with 0 +++ [pid 3865] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3865] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3855] +++ exited with 0 +++ [pid 3865] <... futex resumed>) = 1 [pid 3859] <... futex resumed>) = 0 [pid 3644] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3855, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3643] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3865] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3859] exit_group(0 [pid 3648] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3857, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3865] <... futex resumed>) = ? [pid 3859] <... exit_group resumed>) = ? [pid 3648] restart_syscall(<... resuming interrupted clone ...> [pid 3643] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3866 [pid 3865] +++ exited with 0 +++ [pid 3864] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3861] +++ exited with 0 +++ [pid 3859] +++ exited with 0 +++ [pid 3852] +++ exited with 0 +++ [pid 3648] <... restart_syscall resumed>) = 0 [pid 3646] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3859, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3644] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3642] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3852, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 3866 attached [pid 3866] set_robust_list(0x55555675d5e0, 24) = 0 [pid 3648] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3646] restart_syscall(<... resuming interrupted clone ...> [pid 3864] --- SIGTRAP {si_signo=SIGTRAP, si_code=TRAP_PERF, si_pid=-2079625736, si_uid=-1, si_int=3155, si_ptr=0xc53} --- [pid 3866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3646] <... restart_syscall resumed>) = 0 [pid 3866] setpgid(0, 0 [pid 3644] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3867 [pid 3648] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3868 [pid 3866] <... setpgid resumed>) = 0 [pid 3642] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3858] <... futex resumed>) = ? [pid 3646] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3869 attached ./strace-static-x86_64: Process 3868 attached ./strace-static-x86_64: Process 3867 attached [pid 3866] <... openat resumed>) = 3 [pid 3867] set_robust_list(0x55555675d5e0, 24 [pid 3866] write(3, "1000", 4 [pid 3642] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3869 [pid 3867] <... set_robust_list resumed>) = 0 [pid 3866] <... write resumed>) = 4 [pid 3867] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3866] close(3 [pid 3646] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3870 [pid 3867] <... prctl resumed>) = 0 [pid 3866] <... close resumed>) = 0 [pid 3867] setpgid(0, 0 [pid 3866] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3868] set_robust_list(0x55555675d5e0, 24 [pid 3867] <... setpgid resumed>) = 0 [pid 3866] <... futex resumed>) = 0 [pid 3868] <... set_robust_list resumed>) = 0 [pid 3867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3866] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 3870 attached [pid 3869] set_robust_list(0x55555675d5e0, 24 [pid 3867] <... openat resumed>) = 3 [pid 3866] <... mmap resumed>) = 0x7fcfc2393000 [pid 3864] +++ killed by SIGTRAP +++ [pid 3858] +++ killed by SIGTRAP +++ [pid 3868] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3867] write(3, "1000", 4 [pid 3866] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3647] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=3858, si_uid=0, si_status=SIGTRAP, si_utime=0, si_stime=0} --- [pid 3870] set_robust_list(0x55555675d5e0, 24 [pid 3869] <... set_robust_list resumed>) = 0 [pid 3866] <... mprotect resumed>) = 0 [pid 3647] restart_syscall(<... resuming interrupted clone ...> [pid 3867] <... write resumed>) = 4 [pid 3869] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3868] <... prctl resumed>) = 0 [pid 3867] close(3 [pid 3866] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3647] <... restart_syscall resumed>) = 0 [pid 3869] <... prctl resumed>) = 0 [pid 3867] <... close resumed>) = 0 [pid 3869] setpgid(0, 0 [pid 3868] setpgid(0, 0 [pid 3867] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3866] <... clone resumed>, parent_tid=[3871], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3871 ./strace-static-x86_64: Process 3871 attached [pid 3870] <... set_robust_list resumed>) = 0 [pid 3869] <... setpgid resumed>) = 0 [pid 3868] <... setpgid resumed>) = 0 [pid 3867] <... futex resumed>) = 0 [pid 3866] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3871] set_robust_list(0x7fcfc23b39e0, 24 [pid 3869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3866] <... futex resumed>) = 0 [pid 3647] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3870] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3869] <... openat resumed>) = 3 [pid 3868] <... openat resumed>) = 3 [pid 3867] <... mmap resumed>) = 0x7fcfc2393000 [pid 3869] write(3, "1000", 4) = 4 [pid 3868] write(3, "1000", 4 [pid 3867] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3866] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3869] close(3 [pid 3867] <... mprotect resumed>) = 0 [pid 3647] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3872 [pid 3868] <... write resumed>) = 4 [pid 3870] <... prctl resumed>) = 0 [pid 3869] <... close resumed>) = 0 [pid 3867] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3868] close(3 [pid 3869] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3868] <... close resumed>) = 0 [pid 3871] <... set_robust_list resumed>) = 0 [pid 3870] setpgid(0, 0 [pid 3869] <... futex resumed>) = 0 [pid 3868] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3867] <... clone resumed>, parent_tid=[3873], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3873 ./strace-static-x86_64: Process 3873 attached ./strace-static-x86_64: Process 3872 attached [pid 3870] <... setpgid resumed>) = 0 [pid 3869] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3868] <... futex resumed>) = 0 [pid 3867] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3871] perf_event_open( [pid 3872] set_robust_list(0x55555675d5e0, 24 [pid 3871] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3869] <... mmap resumed>) = 0x7fcfc2393000 [pid 3868] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3867] <... futex resumed>) = 0 [pid 3872] <... set_robust_list resumed>) = 0 [pid 3869] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3867] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3873] set_robust_list(0x7fcfc23b39e0, 24 [pid 3872] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3871] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3870] <... openat resumed>) = 3 [pid 3869] <... mprotect resumed>) = 0 [pid 3868] <... mmap resumed>) = 0x7fcfc2393000 [pid 3873] <... set_robust_list resumed>) = 0 [pid 3872] <... prctl resumed>) = 0 [pid 3871] <... futex resumed>) = 1 [pid 3870] write(3, "1000", 4 [pid 3869] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3868] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3866] <... futex resumed>) = 0 [pid 3873] perf_event_open( [pid 3872] setpgid(0, 0 [pid 3871] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3870] <... write resumed>) = 4 [pid 3868] <... mprotect resumed>) = 0 [pid 3866] exit_group(0 [pid 3872] <... setpgid resumed>) = 0 [pid 3870] close(3 [pid 3869] <... clone resumed>, parent_tid=[3874], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3874 [pid 3868] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3866] <... exit_group resumed>) = ? [pid 3873] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3871] <... futex resumed>) = ? [pid 3870] <... close resumed>) = 0 [pid 3869] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3872] <... openat resumed>) = 3 [pid 3870] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3869] <... futex resumed>) = 0 [pid 3868] <... clone resumed>, parent_tid=[3875], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3875 [pid 3872] write(3, "1000", 4 [pid 3870] <... futex resumed>) = 0 [pid 3869] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3868] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3872] <... write resumed>) = 4 [pid 3870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3868] <... futex resumed>) = 0 [pid 3872] close(3 [pid 3868] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3875 attached [pid 3872] <... close resumed>) = 0 [pid 3870] <... mmap resumed>) = 0x7fcfc2393000 [pid 3875] set_robust_list(0x7fcfc23b39e0, 24 [pid 3872] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3870] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3875] <... set_robust_list resumed>) = 0 [pid 3872] <... futex resumed>) = 0 [pid 3875] perf_event_open( [pid 3872] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3875] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3872] <... mmap resumed>) = 0x7fcfc2393000 [pid 3870] <... mprotect resumed>) = 0 [pid 3875] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3872] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3871] +++ exited with 0 +++ [pid 3873] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3870] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3866] +++ exited with 0 +++ ./strace-static-x86_64: Process 3876 attached ./strace-static-x86_64: Process 3874 attached [pid 3875] <... futex resumed>) = 1 [pid 3873] <... futex resumed>) = 1 [pid 3872] <... mprotect resumed>) = 0 [pid 3868] <... futex resumed>) = 0 [pid 3867] <... futex resumed>) = 0 [pid 3876] set_robust_list(0x7fcfc23b39e0, 24 [pid 3875] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3874] set_robust_list(0x7fcfc23b39e0, 24 [pid 3873] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3872] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3870] <... clone resumed>, parent_tid=[3876], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3876 [pid 3868] exit_group(0 [pid 3867] exit_group(0 [pid 3643] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3866, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3876] <... set_robust_list resumed>) = 0 [pid 3875] <... futex resumed>) = ? [pid 3874] <... set_robust_list resumed>) = 0 [pid 3873] <... futex resumed>) = ? [pid 3870] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3868] <... exit_group resumed>) = ? [pid 3867] <... exit_group resumed>) = ? [pid 3643] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3877 attached [pid 3876] perf_event_open( [pid 3875] +++ exited with 0 +++ [pid 3874] perf_event_open( [pid 3873] +++ exited with 0 +++ [pid 3872] <... clone resumed>, parent_tid=[3877], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3877 [pid 3870] <... futex resumed>) = 0 [pid 3868] +++ exited with 0 +++ [pid 3867] +++ exited with 0 +++ [pid 3876] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3874] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3872] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3870] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3878 attached [pid 3876] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3874] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3877] set_robust_list(0x7fcfc23b39e0, 24 [pid 3872] <... futex resumed>) = 0 [pid 3870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3648] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3868, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3644] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3867, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3643] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3878 [pid 3876] <... futex resumed>) = 0 [pid 3874] <... futex resumed>) = 1 [pid 3872] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3870] exit_group(0 [pid 3869] <... futex resumed>) = 0 [pid 3648] restart_syscall(<... resuming interrupted clone ...> [pid 3644] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3879 attached [pid 3878] set_robust_list(0x55555675d5e0, 24 [pid 3877] <... set_robust_list resumed>) = 0 [pid 3874] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3870] <... exit_group resumed>) = ? [pid 3869] exit_group(0 [pid 3648] <... restart_syscall resumed>) = 0 [pid 3878] <... set_robust_list resumed>) = 0 [pid 3877] perf_event_open( [pid 3876] +++ exited with 0 +++ [pid 3874] <... futex resumed>) = ? [pid 3869] <... exit_group resumed>) = ? [pid 3644] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3879 [pid 3879] set_robust_list(0x55555675d5e0, 24 [pid 3878] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3877] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3874] +++ exited with 0 +++ [pid 3870] +++ exited with 0 +++ [pid 3869] +++ exited with 0 +++ [pid 3648] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3646] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3870, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3642] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3869, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3877] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3879] <... set_robust_list resumed>) = 0 [pid 3878] <... prctl resumed>) = 0 [pid 3877] <... futex resumed>) = 1 [pid 3872] <... futex resumed>) = 0 [pid 3648] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3880 [pid 3878] setpgid(0, 0 [pid 3879] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3877] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3872] exit_group(0 [pid 3878] <... setpgid resumed>) = 0 [pid 3872] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 3880 attached [pid 3877] <... futex resumed>) = ? [pid 3878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3879] <... prctl resumed>) = 0 [pid 3646] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3642] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3646] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3881 [pid 3877] +++ exited with 0 +++ [pid 3872] +++ exited with 0 +++ [pid 3642] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3882 [pid 3878] <... openat resumed>) = 3 [pid 3647] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3872, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3878] write(3, "1000", 4 [pid 3879] setpgid(0, 0 [pid 3878] <... write resumed>) = 4 [pid 3879] <... setpgid resumed>) = 0 [pid 3878] close(3) = 0 [pid 3879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3878] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3879] <... openat resumed>) = 3 [pid 3878] <... futex resumed>) = 0 [pid 3647] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3882 attached [pid 3879] write(3, "1000", 4 [pid 3878] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3882] set_robust_list(0x55555675d5e0, 24) = 0 ./strace-static-x86_64: Process 3881 attached [pid 3882] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3879] <... write resumed>) = 4 [pid 3878] <... mmap resumed>) = 0x7fcfc2393000 [pid 3647] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3883 [pid 3880] set_robust_list(0x55555675d5e0, 24./strace-static-x86_64: Process 3883 attached [pid 3882] <... prctl resumed>) = 0 [pid 3881] set_robust_list(0x55555675d5e0, 24 [pid 3880] <... set_robust_list resumed>) = 0 [pid 3879] close(3 [pid 3878] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3882] setpgid(0, 0 [pid 3881] <... set_robust_list resumed>) = 0 [pid 3879] <... close resumed>) = 0 [pid 3878] <... mprotect resumed>) = 0 [pid 3882] <... setpgid resumed>) = 0 [pid 3881] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3880] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3879] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3878] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3883] set_robust_list(0x55555675d5e0, 24 [pid 3882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3881] <... prctl resumed>) = 0 [pid 3880] <... prctl resumed>) = 0 [pid 3879] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3884 attached [pid 3883] <... set_robust_list resumed>) = 0 [pid 3882] <... openat resumed>) = 3 [pid 3881] setpgid(0, 0 [pid 3880] setpgid(0, 0 [pid 3879] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3878] <... clone resumed>, parent_tid=[3884], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3884 [pid 3882] write(3, "1000", 4 [pid 3881] <... setpgid resumed>) = 0 [pid 3880] <... setpgid resumed>) = 0 [pid 3879] <... mmap resumed>) = 0x7fcfc2393000 [pid 3878] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3883] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3882] <... write resumed>) = 4 [pid 3881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3879] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3878] <... futex resumed>) = 0 [pid 3880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3884] set_robust_list(0x7fcfc23b39e0, 24 [pid 3883] <... prctl resumed>) = 0 [pid 3882] close(3 [pid 3881] <... openat resumed>) = 3 [pid 3879] <... mprotect resumed>) = 0 [pid 3878] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3880] <... openat resumed>) = 3 [pid 3884] <... set_robust_list resumed>) = 0 [pid 3883] setpgid(0, 0 [pid 3882] <... close resumed>) = 0 [pid 3881] write(3, "1000", 4 [pid 3880] write(3, "1000", 4 [pid 3879] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3884] perf_event_open( [pid 3883] <... setpgid resumed>) = 0 [pid 3882] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3881] <... write resumed>) = 4 [pid 3880] <... write resumed>) = 4 [pid 3884] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3882] <... futex resumed>) = 0 [pid 3881] close(3 [pid 3880] close(3 [pid 3879] <... clone resumed>, parent_tid=[3885], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3885 [pid 3884] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3883] <... openat resumed>) = 3 [pid 3882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3881] <... close resumed>) = 0 [pid 3880] <... close resumed>) = 0 [pid 3879] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3884] <... futex resumed>) = 1 [pid 3883] write(3, "1000", 4 [pid 3882] <... mmap resumed>) = 0x7fcfc2393000 [pid 3881] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3880] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3879] <... futex resumed>) = 0 [pid 3878] <... futex resumed>) = 0 [pid 3884] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3883] <... write resumed>) = 4 [pid 3882] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3881] <... futex resumed>) = 0 [pid 3880] <... futex resumed>) = 0 [pid 3879] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3878] exit_group(0./strace-static-x86_64: Process 3885 attached [pid 3884] <... futex resumed>) = ? [pid 3883] close(3 [pid 3882] <... mprotect resumed>) = 0 [pid 3881] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3880] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3878] <... exit_group resumed>) = ? [pid 3885] set_robust_list(0x7fcfc23b39e0, 24 [pid 3884] +++ exited with 0 +++ [pid 3883] <... close resumed>) = 0 [pid 3882] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3881] <... mmap resumed>) = 0x7fcfc2393000 [pid 3880] <... mmap resumed>) = 0x7fcfc2393000 [pid 3885] <... set_robust_list resumed>) = 0 [pid 3881] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3885] perf_event_open( [pid 3883] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3882] <... clone resumed>, parent_tid=[3886], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3886 [pid 3881] <... mprotect resumed>) = 0 [pid 3880] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3878] +++ exited with 0 +++ [pid 3885] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3883] <... futex resumed>) = 0 [pid 3882] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3881] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3880] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 3887 attached [pid 3885] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3883] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3882] <... futex resumed>) = 0 [pid 3880] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3643] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3878, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3887] set_robust_list(0x7fcfc23b39e0, 24 [pid 3885] <... futex resumed>) = 1 [pid 3883] <... mmap resumed>) = 0x7fcfc2393000 [pid 3882] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3881] <... clone resumed>, parent_tid=[3887], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3887 [pid 3879] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3888 attached ./strace-static-x86_64: Process 3886 attached [pid 3885] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3883] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3881] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3880] <... clone resumed>, parent_tid=[3888], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3888 [pid 3879] exit_group(0 [pid 3888] set_robust_list(0x7fcfc23b39e0, 24 [pid 3887] <... set_robust_list resumed>) = 0 [pid 3886] set_robust_list(0x7fcfc23b39e0, 24 [pid 3885] <... futex resumed>) = ? [pid 3883] <... mprotect resumed>) = 0 [pid 3881] <... futex resumed>) = 0 [pid 3880] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3879] <... exit_group resumed>) = ? [pid 3887] perf_event_open( [pid 3886] <... set_robust_list resumed>) = 0 [pid 3885] +++ exited with 0 +++ [pid 3883] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3881] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3880] <... futex resumed>) = 0 [pid 3886] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3879] +++ exited with 0 +++ [pid 3887] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3886] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3880] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3644] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3879, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3888] <... set_robust_list resumed>) = 0 [pid 3887] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3886] <... futex resumed>) = 1 [pid 3883] <... clone resumed>, parent_tid=[3889], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3889 [pid 3882] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3889 attached [pid 3887] <... futex resumed>) = 1 [pid 3886] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3883] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3882] exit_group(0 [pid 3881] <... futex resumed>) = 0 [pid 3888] perf_event_open( [pid 3643] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3887] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3886] <... futex resumed>) = ? [pid 3883] <... futex resumed>) = 0 [pid 3882] <... exit_group resumed>) = ? [pid 3881] exit_group(0 [pid 3889] set_robust_list(0x7fcfc23b39e0, 24 [pid 3888] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3886] +++ exited with 0 +++ [pid 3883] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3882] +++ exited with 0 +++ [pid 3881] <... exit_group resumed>) = ? [pid 3887] <... futex resumed>) = ? ./strace-static-x86_64: Process 3890 attached [pid 3889] <... set_robust_list resumed>) = 0 [pid 3888] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3643] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3890 [pid 3889] perf_event_open( [pid 3888] <... futex resumed>) = 1 [pid 3880] <... futex resumed>) = 0 [pid 3642] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3882, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3889] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3888] --- SIGTRAP {si_signo=SIGTRAP, si_code=TRAP_PERF, si_pid=-2079625736, si_uid=-1, si_int=3155, si_ptr=0xc53} --- [pid 3880] close(-256 [pid 3889] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3890] set_robust_list(0x55555675d5e0, 24 [pid 3887] +++ exited with 0 +++ [pid 3881] +++ exited with 0 +++ [pid 3883] <... futex resumed>) = 0 [pid 3644] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3891 attached [pid 3890] <... set_robust_list resumed>) = 0 [pid 3889] <... futex resumed>) = 1 [pid 3888] +++ killed by SIGTRAP +++ [pid 3883] exit_group(0 [pid 3880] +++ killed by SIGTRAP +++ [pid 3646] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3881, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3891] set_robust_list(0x55555675d5e0, 24 [pid 3883] <... exit_group resumed>) = ? [pid 3891] <... set_robust_list resumed>) = 0 [pid 3890] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3889] +++ exited with 0 +++ [pid 3644] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3891 [pid 3642] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3891] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3890] <... prctl resumed>) = 0 [pid 3883] +++ exited with 0 +++ [pid 3648] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=3880, si_uid=0, si_status=SIGTRAP, si_utime=0, si_stime=0} --- [pid 3891] <... prctl resumed>) = 0 [pid 3647] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3883, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3891] setpgid(0, 0 [pid 3647] restart_syscall(<... resuming interrupted clone ...> [pid 3891] <... setpgid resumed>) = 0 [pid 3647] <... restart_syscall resumed>) = 0 [pid 3648] restart_syscall(<... resuming interrupted clone ...> [pid 3891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3890] setpgid(0, 0 [pid 3646] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3648] <... restart_syscall resumed>) = 0 [pid 3642] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3892 ./strace-static-x86_64: Process 3892 attached [pid 3891] <... openat resumed>) = 3 [pid 3890] <... setpgid resumed>) = 0 [pid 3891] write(3, "1000", 4 [pid 3647] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3891] <... write resumed>) = 4 [pid 3890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3891] close(3 [pid 3647] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3894 [pid 3646] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3893 [pid 3891] <... close resumed>) = 0 [pid 3890] <... openat resumed>) = 3 [pid 3648] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3891] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3890] write(3, "1000", 4 [pid 3891] <... futex resumed>) = 0 [pid 3891] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 3893 attached ) = 0x7fcfc2393000 [pid 3890] <... write resumed>) = 4 [pid 3893] set_robust_list(0x55555675d5e0, 24 [pid 3891] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3890] close(3 [pid 3648] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3895 [pid 3893] <... set_robust_list resumed>) = 0 [pid 3891] <... mprotect resumed>) = 0 [pid 3890] <... close resumed>) = 0 ./strace-static-x86_64: Process 3894 attached [pid 3893] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3891] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3890] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3892] set_robust_list(0x55555675d5e0, 24 [pid 3894] set_robust_list(0x55555675d5e0, 24 [pid 3893] <... prctl resumed>) = 0 [pid 3892] <... set_robust_list resumed>) = 0 [pid 3890] <... futex resumed>) = 0 [pid 3894] <... set_robust_list resumed>) = 0 [pid 3893] setpgid(0, 0 [pid 3891] <... clone resumed>, parent_tid=[3896], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3896 [pid 3890] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 3895 attached [pid 3894] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3893] <... setpgid resumed>) = 0 [pid 3892] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3891] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3895] set_robust_list(0x55555675d5e0, 24 [pid 3894] <... prctl resumed>) = 0 [pid 3893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3892] <... prctl resumed>) = 0 [pid 3891] <... futex resumed>) = 0 [pid 3890] <... mmap resumed>) = 0x7fcfc2393000 ./strace-static-x86_64: Process 3896 attached [pid 3895] <... set_robust_list resumed>) = 0 [pid 3894] setpgid(0, 0 [pid 3893] <... openat resumed>) = 3 [pid 3892] setpgid(0, 0 [pid 3891] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3890] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3896] set_robust_list(0x7fcfc23b39e0, 24 [pid 3895] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3894] <... setpgid resumed>) = 0 [pid 3893] write(3, "1000", 4 [pid 3892] <... setpgid resumed>) = 0 [pid 3890] <... mprotect resumed>) = 0 [pid 3894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3893] <... write resumed>) = 4 [pid 3890] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3896] <... set_robust_list resumed>) = 0 [pid 3895] <... prctl resumed>) = 0 [pid 3894] <... openat resumed>) = 3 [pid 3893] close(3 [pid 3892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3896] perf_event_open( [pid 3895] setpgid(0, 0 [pid 3894] write(3, "1000", 4 [pid 3893] <... close resumed>) = 0 [pid 3896] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3895] <... setpgid resumed>) = 0 [pid 3894] <... write resumed>) = 4 [pid 3893] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3892] <... openat resumed>) = 3 [pid 3890] <... clone resumed>, parent_tid=[3897], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3897 [pid 3894] close(3 [pid 3893] <... futex resumed>) = 0 [pid 3892] write(3, "1000", 4 [pid 3890] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 3897 attached [pid 3896] --- SIGTRAP {si_signo=SIGTRAP, si_code=TRAP_PERF, si_pid=-2079625736, si_uid=-1, si_int=3155, si_ptr=0xc53} --- [pid 3895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3894] <... close resumed>) = 0 [pid 3893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3892] <... write resumed>) = 4 [pid 3890] <... futex resumed>) = 0 [pid 3897] set_robust_list(0x7fcfc23b39e0, 24 [pid 3895] <... openat resumed>) = 3 [pid 3894] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3893] <... mmap resumed>) = 0x7fcfc2393000 [pid 3892] close(3 [pid 3890] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3897] <... set_robust_list resumed>) = 0 [pid 3895] write(3, "1000", 4 [pid 3894] <... futex resumed>) = 0 [pid 3893] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3892] <... close resumed>) = 0 [pid 3891] <... futex resumed>) = ? [pid 3897] perf_event_open( [pid 3896] +++ killed by SIGTRAP +++ [pid 3895] <... write resumed>) = 4 [pid 3894] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3893] <... mprotect resumed>) = 0 [pid 3892] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3895] close(3 [pid 3894] <... mmap resumed>) = 0x7fcfc2393000 [pid 3893] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3892] <... futex resumed>) = 0 [pid 3891] +++ killed by SIGTRAP +++ [pid 3897] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 ./strace-static-x86_64: Process 3898 attached [pid 3897] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3895] <... close resumed>) = 0 [pid 3894] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3644] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=3891, si_uid=0, si_status=SIGTRAP, si_utime=0, si_stime=0} --- [pid 3898] set_robust_list(0x7fcfc23b39e0, 24 [pid 3897] <... futex resumed>) = 1 [pid 3895] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3894] <... mprotect resumed>) = 0 [pid 3893] <... clone resumed>, parent_tid=[3898], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3898 [pid 3892] <... mmap resumed>) = 0x7fcfc2393000 [pid 3890] <... futex resumed>) = 0 [pid 3898] <... set_robust_list resumed>) = 0 [pid 3897] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3895] <... futex resumed>) = 0 [pid 3894] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3893] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3892] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3890] exit_group(0 [pid 3898] perf_event_open( [pid 3895] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3893] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3899 attached [pid 3898] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3897] <... futex resumed>) = ? [pid 3895] <... mmap resumed>) = 0x7fcfc2393000 [pid 3894] <... clone resumed>, parent_tid=[3899], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3899 [pid 3893] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3892] <... mprotect resumed>) = 0 [pid 3890] <... exit_group resumed>) = ? [pid 3644] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3898] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3897] +++ exited with 0 +++ [pid 3895] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3894] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3892] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3898] <... futex resumed>) = 0 [pid 3894] <... futex resumed>) = 0 [pid 3893] exit_group(0 [pid 3894] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3893] <... exit_group resumed>) = ? [pid 3890] +++ exited with 0 +++ ./strace-static-x86_64: Process 3901 attached ./strace-static-x86_64: Process 3900 attached [pid 3899] set_robust_list(0x7fcfc23b39e0, 24 [pid 3898] +++ exited with 0 +++ [pid 3895] <... mprotect resumed>) = 0 [pid 3893] +++ exited with 0 +++ [pid 3643] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3890, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3901] set_robust_list(0x7fcfc23b39e0, 24 [pid 3900] set_robust_list(0x55555675d5e0, 24 [pid 3895] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3892] <... clone resumed>, parent_tid=[3901], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3901 [pid 3643] restart_syscall(<... resuming interrupted clone ...> [pid 3644] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3900 [pid 3901] <... set_robust_list resumed>) = 0 [pid 3900] <... set_robust_list resumed>) = 0 [pid 3646] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3893, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3892] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3643] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 3902 attached [pid 3901] perf_event_open( [pid 3900] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3899] <... set_robust_list resumed>) = 0 [pid 3895] <... clone resumed>, parent_tid=[3902], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3902 [pid 3892] <... futex resumed>) = 0 [pid 3646] restart_syscall(<... resuming interrupted clone ...> [pid 3902] set_robust_list(0x7fcfc23b39e0, 24 [pid 3901] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3900] <... prctl resumed>) = 0 [pid 3899] perf_event_open( [pid 3895] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3892] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3646] <... restart_syscall resumed>) = 0 [pid 3902] <... set_robust_list resumed>) = 0 [pid 3901] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3900] setpgid(0, 0 [pid 3899] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3895] <... futex resumed>) = 0 [pid 3892] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3643] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3902] perf_event_open( [pid 3901] <... futex resumed>) = 0 [pid 3900] <... setpgid resumed>) = 0 [pid 3899] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3895] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3892] exit_group(0 [pid 3899] <... futex resumed>) = 1 [pid 3892] <... exit_group resumed>) = ? [pid 3646] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3894] <... futex resumed>) = 0 [pid 3902] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3899] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3900] <... openat resumed>) = 3 [pid 3894] exit_group(0 [pid 3646] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3904 [pid 3643] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3903 ./strace-static-x86_64: Process 3903 attached [pid 3903] set_robust_list(0x55555675d5e0, 24) = 0 [pid 3903] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3902] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3901] +++ exited with 0 +++ [pid 3900] write(3, "1000", 4 [pid 3899] <... futex resumed>) = ? [pid 3894] <... exit_group resumed>) = ? [pid 3892] +++ exited with 0 +++ [pid 3903] <... prctl resumed>) = 0 [pid 3902] <... futex resumed>) = 1 [pid 3900] <... write resumed>) = 4 [pid 3899] +++ exited with 0 +++ [pid 3895] <... futex resumed>) = 0 [pid 3903] setpgid(0, 0 [pid 3895] exit_group(0 [pid 3642] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3892, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3903] <... setpgid resumed>) = 0 [pid 3900] close(3 [pid 3895] <... exit_group resumed>) = ? [pid 3894] +++ exited with 0 +++ [pid 3642] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3904 attached [pid 3903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3902] +++ exited with 0 +++ [pid 3900] <... close resumed>) = 0 [pid 3895] +++ exited with 0 +++ ./strace-static-x86_64: Process 3905 attached [pid 3904] set_robust_list(0x55555675d5e0, 24 [pid 3903] <... openat resumed>) = 3 [pid 3900] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3647] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3894, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3642] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3905 [pid 3904] <... set_robust_list resumed>) = 0 [pid 3903] write(3, "1000", 4 [pid 3900] <... futex resumed>) = 0 [pid 3648] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3895, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3647] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3903] <... write resumed>) = 4 [pid 3900] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3648] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3904] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3903] close(3 [pid 3900] <... mmap resumed>) = 0x7fcfc2393000 [pid 3904] <... prctl resumed>) = 0 [pid 3903] <... close resumed>) = 0 [pid 3900] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3648] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3907 [pid 3647] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3906 [pid 3903] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3900] <... mprotect resumed>) = 0 [pid 3904] setpgid(0, 0 [pid 3903] <... futex resumed>) = 0 [pid 3900] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3904] <... setpgid resumed>) = 0 [pid 3903] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 3908 attached ./strace-static-x86_64: Process 3907 attached ./strace-static-x86_64: Process 3906 attached [pid 3905] set_robust_list(0x55555675d5e0, 24 [pid 3904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3903] <... mmap resumed>) = 0x7fcfc2393000 [pid 3900] <... clone resumed>, parent_tid=[3908], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3908 [pid 3908] set_robust_list(0x7fcfc23b39e0, 24 [pid 3907] set_robust_list(0x55555675d5e0, 24 [pid 3906] set_robust_list(0x55555675d5e0, 24 [pid 3905] <... set_robust_list resumed>) = 0 [pid 3904] <... openat resumed>) = 3 [pid 3903] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3900] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3908] <... set_robust_list resumed>) = 0 [pid 3907] <... set_robust_list resumed>) = 0 [pid 3906] <... set_robust_list resumed>) = 0 [pid 3905] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3904] write(3, "1000", 4 [pid 3903] <... mprotect resumed>) = 0 [pid 3900] <... futex resumed>) = 0 [pid 3908] perf_event_open( [pid 3907] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3906] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3905] <... prctl resumed>) = 0 [pid 3904] <... write resumed>) = 4 [pid 3903] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3900] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3908] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3907] <... prctl resumed>) = 0 [pid 3906] <... prctl resumed>) = 0 [pid 3905] setpgid(0, 0 [pid 3904] close(3 [pid 3907] setpgid(0, 0 [pid 3906] setpgid(0, 0 [pid 3905] <... setpgid resumed>) = 0 [pid 3904] <... close resumed>) = 0 [pid 3903] <... clone resumed>, parent_tid=[3909], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3909 [pid 3908] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3907] <... setpgid resumed>) = 0 [pid 3906] <... setpgid resumed>) = 0 [pid 3905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3904] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3903] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3908] <... futex resumed>) = 1 [pid 3907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3905] <... openat resumed>) = 3 [pid 3904] <... futex resumed>) = 0 [pid 3903] <... futex resumed>) = 0 [pid 3900] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3909 attached [pid 3908] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3907] <... openat resumed>) = 3 [pid 3906] <... openat resumed>) = 3 [pid 3905] write(3, "1000", 4 [pid 3904] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3903] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3900] exit_group(0 [pid 3909] set_robust_list(0x7fcfc23b39e0, 24 [pid 3908] <... futex resumed>) = ? [pid 3907] write(3, "1000", 4 [pid 3906] write(3, "1000", 4 [pid 3905] <... write resumed>) = 4 [pid 3904] <... mmap resumed>) = 0x7fcfc2393000 [pid 3900] <... exit_group resumed>) = ? [pid 3909] <... set_robust_list resumed>) = 0 [pid 3908] +++ exited with 0 +++ [pid 3907] <... write resumed>) = 4 [pid 3906] <... write resumed>) = 4 [pid 3904] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3909] perf_event_open( [pid 3907] close(3 [pid 3906] close(3 [pid 3909] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3907] <... close resumed>) = 0 [pid 3906] <... close resumed>) = 0 [pid 3905] close(3 [pid 3904] <... mprotect resumed>) = 0 [pid 3900] +++ exited with 0 +++ [pid 3909] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3907] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3906] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3905] <... close resumed>) = 0 [pid 3904] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3644] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3900, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3909] <... futex resumed>) = 1 [pid 3907] <... futex resumed>) = 0 [pid 3906] <... futex resumed>) = 0 [pid 3905] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3903] <... futex resumed>) = 0 [pid 3909] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3906] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3905] <... futex resumed>) = 0 [pid 3904] <... clone resumed>, parent_tid=[3910], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3910 [pid 3903] exit_group(0 [pid 3909] <... futex resumed>) = ? [pid 3907] <... mmap resumed>) = 0x7fcfc2393000 [pid 3906] <... mmap resumed>) = 0x7fcfc2393000 [pid 3905] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3904] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3903] <... exit_group resumed>) = ? [pid 3909] +++ exited with 0 +++ [pid 3907] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3906] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3905] <... mmap resumed>) = 0x7fcfc2393000 [pid 3904] <... futex resumed>) = 0 [pid 3903] +++ exited with 0 +++ [pid 3907] <... mprotect resumed>) = 0 [pid 3906] <... mprotect resumed>) = 0 [pid 3905] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3904] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3907] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3906] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3905] <... mprotect resumed>) = 0 [pid 3644] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3913 attached ./strace-static-x86_64: Process 3912 attached ./strace-static-x86_64: Process 3911 attached [pid 3905] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3643] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3903, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 3910 attached [pid 3912] set_robust_list(0x7fcfc23b39e0, 24 [pid 3911] set_robust_list(0x7fcfc23b39e0, 24 [pid 3907] <... clone resumed>, parent_tid=[3911], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3911 [pid 3906] <... clone resumed>, parent_tid=[3912], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3912 [pid 3644] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3913 [pid 3913] set_robust_list(0x55555675d5e0, 24 [pid 3912] <... set_robust_list resumed>) = 0 [pid 3911] <... set_robust_list resumed>) = 0 [pid 3910] set_robust_list(0x7fcfc23b39e0, 24 [pid 3907] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3906] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3643] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3911] perf_event_open( [pid 3910] <... set_robust_list resumed>) = 0 [pid 3907] <... futex resumed>) = 0 [pid 3906] <... futex resumed>) = 0 [pid 3905] <... clone resumed>, parent_tid=[3914], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3914 ./strace-static-x86_64: Process 3914 attached [pid 3910] perf_event_open( [pid 3907] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3906] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3914] set_robust_list(0x7fcfc23b39e0, 24 [pid 3911] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3910] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3905] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3912] perf_event_open( [pid 3913] <... set_robust_list resumed>) = 0 [pid 3643] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3915 [pid 3914] <... set_robust_list resumed>) = 0 [pid 3911] --- SIGTRAP {si_signo=SIGTRAP, si_code=TRAP_PERF, si_pid=-2079625736, si_uid=-1, si_int=3155, si_ptr=0xc53} --- [pid 3910] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3905] <... futex resumed>) = 0 ./strace-static-x86_64: Process 3915 attached [pid 3914] perf_event_open( [pid 3910] <... futex resumed>) = 1 [pid 3907] <... futex resumed>) = ? [pid 3905] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3904] <... futex resumed>) = 0 [pid 3915] set_robust_list(0x55555675d5e0, 24 [pid 3914] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3913] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3912] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3911] +++ killed by SIGTRAP +++ [pid 3910] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3915] <... set_robust_list resumed>) = 0 [pid 3914] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3915] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3914] <... futex resumed>) = 0 [pid 3912] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3907] +++ killed by SIGTRAP +++ [pid 3905] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3913] <... prctl resumed>) = 0 [pid 3904] exit_group(0 [pid 3915] <... prctl resumed>) = 0 [pid 3914] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3912] <... futex resumed>) = 1 [pid 3910] <... futex resumed>) = ? [pid 3906] <... futex resumed>) = 0 [pid 3905] exit_group(0 [pid 3904] <... exit_group resumed>) = ? [pid 3913] setpgid(0, 0 [pid 3915] setpgid(0, 0 [pid 3914] <... futex resumed>) = ? [pid 3912] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3910] +++ exited with 0 +++ [pid 3906] exit_group(0 [pid 3905] <... exit_group resumed>) = ? [pid 3648] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=3907, si_uid=0, si_status=SIGTRAP, si_utime=0, si_stime=0} --- [pid 3915] <... setpgid resumed>) = 0 [pid 3914] +++ exited with 0 +++ [pid 3906] <... exit_group resumed>) = ? [pid 3904] +++ exited with 0 +++ [pid 3648] restart_syscall(<... resuming interrupted clone ...> [pid 3915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3648] <... restart_syscall resumed>) = 0 [pid 3915] <... openat resumed>) = 3 [pid 3913] <... setpgid resumed>) = 0 [pid 3912] <... futex resumed>) = ? [pid 3905] +++ exited with 0 +++ [pid 3646] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3904, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3915] write(3, "1000", 4 [pid 3646] restart_syscall(<... resuming interrupted clone ...> [pid 3642] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3905, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3915] <... write resumed>) = 4 [pid 3648] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3646] <... restart_syscall resumed>) = 0 [pid 3915] close(3) = 0 [pid 3648] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3916 [pid 3915] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3646] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3917 attached [pid 3915] <... futex resumed>) = 0 [pid 3913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3912] +++ exited with 0 +++ [pid 3906] +++ exited with 0 +++ [pid 3915] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3913] <... openat resumed>) = 3 [pid 3646] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3917 [pid 3915] <... mmap resumed>) = 0x7fcfc2393000 [pid 3913] write(3, "1000", 4 [pid 3647] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3906, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3642] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3918 attached [pid 3917] set_robust_list(0x55555675d5e0, 24 [pid 3915] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3913] <... write resumed>) = 4 [pid 3647] restart_syscall(<... resuming interrupted clone ...> [pid 3915] <... mprotect resumed>) = 0 [pid 3642] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3918 [pid 3917] <... set_robust_list resumed>) = 0 [pid 3915] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3913] close(3 [pid 3647] <... restart_syscall resumed>) = 0 [pid 3917] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3913] <... close resumed>) = 0 ./strace-static-x86_64: Process 3916 attached [pid 3915] <... clone resumed>, parent_tid=[3919], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3919 [pid 3913] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3918] set_robust_list(0x55555675d5e0, 24 [pid 3917] <... prctl resumed>) = 0 [pid 3916] set_robust_list(0x55555675d5e0, 24 [pid 3915] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3913] <... futex resumed>) = 0 [pid 3647] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3916] <... set_robust_list resumed>) = 0 [pid 3915] <... futex resumed>) = 0 [pid 3913] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3916] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3915] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3916] <... prctl resumed>) = 0 [pid 3913] <... mmap resumed>) = 0x7fcfc2393000 [pid 3647] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3920 [pid 3917] setpgid(0, 0./strace-static-x86_64: Process 3920 attached ) = 0 [pid 3916] setpgid(0, 0 [pid 3913] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3918] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 3919 attached [pid 3916] <... setpgid resumed>) = 0 [pid 3913] <... mprotect resumed>) = 0 [pid 3919] set_robust_list(0x7fcfc23b39e0, 24 [pid 3917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3913] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3919] <... set_robust_list resumed>) = 0 [pid 3917] <... openat resumed>) = 3 [pid 3916] <... openat resumed>) = 3 [pid 3920] set_robust_list(0x55555675d5e0, 24 [pid 3919] perf_event_open( [pid 3918] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3917] write(3, "1000", 4 [pid 3916] write(3, "1000", 4 [pid 3913] <... clone resumed>, parent_tid=[3921], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3921 [pid 3920] <... set_robust_list resumed>) = 0 [pid 3919] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3918] <... prctl resumed>) = 0 [pid 3917] <... write resumed>) = 4 [pid 3916] <... write resumed>) = 4 [pid 3913] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3919] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3918] setpgid(0, 0 [pid 3917] close(3 [pid 3916] close(3 [pid 3913] <... futex resumed>) = 0 [pid 3920] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 3921 attached [pid 3919] <... futex resumed>) = 1 [pid 3918] <... setpgid resumed>) = 0 [pid 3917] <... close resumed>) = 0 [pid 3916] <... close resumed>) = 0 [pid 3915] <... futex resumed>) = 0 [pid 3913] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3921] set_robust_list(0x7fcfc23b39e0, 24 [pid 3920] <... prctl resumed>) = 0 [pid 3919] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3917] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3916] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3915] exit_group(0 [pid 3921] <... set_robust_list resumed>) = 0 [pid 3920] setpgid(0, 0 [pid 3919] <... futex resumed>) = ? [pid 3918] <... openat resumed>) = 3 [pid 3917] <... futex resumed>) = 0 [pid 3916] <... futex resumed>) = 0 [pid 3915] <... exit_group resumed>) = ? [pid 3921] perf_event_open( [pid 3920] <... setpgid resumed>) = 0 [pid 3919] +++ exited with 0 +++ [pid 3918] write(3, "1000", 4 [pid 3917] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3916] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3918] <... write resumed>) = 4 [pid 3917] <... mmap resumed>) = 0x7fcfc2393000 [pid 3915] +++ exited with 0 +++ [pid 3916] <... mmap resumed>) = 0x7fcfc2393000 [pid 3921] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3920] <... openat resumed>) = 3 [pid 3918] close(3 [pid 3917] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3916] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3921] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3920] write(3, "1000", 4 [pid 3918] <... close resumed>) = 0 [pid 3917] <... mprotect resumed>) = 0 [pid 3916] <... mprotect resumed>) = 0 [pid 3643] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3915, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3921] <... futex resumed>) = 1 [pid 3920] <... write resumed>) = 4 [pid 3918] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3917] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3916] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3913] <... futex resumed>) = 0 [pid 3643] restart_syscall(<... resuming interrupted clone ...> [pid 3921] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3920] close(3 [pid 3918] <... futex resumed>) = 0 [pid 3913] exit_group(0 [pid 3643] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 3923 attached [pid 3921] <... futex resumed>) = ? [pid 3920] <... close resumed>) = 0 [pid 3918] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3917] <... clone resumed>, parent_tid=[3923], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3923 [pid 3916] <... clone resumed>, parent_tid=[3922], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3922 [pid 3913] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 3922 attached [pid 3923] set_robust_list(0x7fcfc23b39e0, 24 [pid 3921] +++ exited with 0 +++ [pid 3920] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3918] <... mmap resumed>) = 0x7fcfc2393000 [pid 3917] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3916] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3913] +++ exited with 0 +++ [pid 3920] <... futex resumed>) = 0 [pid 3918] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3917] <... futex resumed>) = 0 [pid 3916] <... futex resumed>) = 0 [pid 3644] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3913, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3920] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3918] <... mprotect resumed>) = 0 [pid 3917] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3916] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3643] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3920] <... mmap resumed>) = 0x7fcfc2393000 [pid 3918] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3923] <... set_robust_list resumed>) = 0 [pid 3923] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 ./strace-static-x86_64: Process 3925 attached [pid 3922] set_robust_list(0x7fcfc23b39e0, 24 [pid 3920] mprotect(0x7fcfc2394000, 131072, PROT_READ|PROT_WRITE [pid 3925] set_robust_list(0x7fcfc23b39e0, 24 [pid 3922] <... set_robust_list resumed>) = 0 [pid 3920] <... mprotect resumed>) = 0 [pid 3918] <... clone resumed>, parent_tid=[3925], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3925 [pid 3643] <... clone resumed>, child_tidptr=0x55555675d5d0) = 3924 [pid 3925] <... set_robust_list resumed>) = 0 [pid 3922] perf_event_open( [pid 3920] clone(child_stack=0x7fcfc23b33f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3918] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3925] perf_event_open( [pid 3922] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3918] <... futex resumed>) = 0 [pid 3925] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_freq=32769, sample_type=PERF_SAMPLE_CPU|PERF_SAMPLE_PHYS_ADDR, read_format=0, exclude_kernel=1, freq=1, precise_ip=0 /* arbitrary skid */, exclude_host=1, write_backward=1, ksymbol=1, cgroup=1, text_poke=1, build_id=1, remove_on_exec=1, sigtrap=1, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP) = 3 [pid 3922] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3920] <... clone resumed>, parent_tid=[3926], tls=0x7fcfc23b3700, child_tidptr=0x7fcfc23b39d0) = 3926 [pid 3918] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3925] futex(0x7fcfc24893ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 3922] <... futex resumed>) = 1 [pid 3920] futex(0x7fcfc24893e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3925] <... futex resumed>) = 0 [pid 3922] futex(0x7fcfc24893e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3920] <... futex resumed>) = 0 [pid 3918] exit_group(0 [pid 3920] futex(0x7fcfc24893ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3918] <... exit_group resumed>) = ? [pid 3925] +++ exited with 0 +++ [pid 3918] +++ exited with 0 +++ ./strace-static-x86_64: Process 3924 attached [pid 3924] set_robust_list(0x55555675d5e0, 24) = 0 [ 157.021747][ C0] ------------[ cut here ]------------ [ 157.027286][ C0] WARNING: CPU: 0 PID: 3923 at kernel/events/core.c:9313 __perf_event_overflow+0x498/0x540 [ 157.037282][ C0] Modules linked in: [ 157.041204][ C0] CPU: 0 PID: 3923 Comm: syz-executor173 Not tainted 6.1.0-rc4-syzkaller-01173-g2b3e8f6f5b93 #0 [ 157.051650][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 157.061732][ C0] RIP: 0010:__perf_event_overflow+0x498/0x540 [ 157.067839][ C0] Code: 80 3c 02 00 0f 85 b2 00 00 00 48 8b 83 20 02 00 00 48 ff 80 b8 01 00 00 e9 5b fe ff ff 45 31 f6 e9 a2 fd ff ff e8 88 88 dc ff <0f> 0b e9 47 fe ff ff 4c 89 e7 e8 19 33 2a 00 e9 b2 fb ff ff e8 cf [ 157.087469][ C0] RSP: 0000:ffffc900045f7b00 EFLAGS: 00010046 [ 157.093540][ C0] RAX: 0000000080010000 RBX: ffff888078a1d910 RCX: 0000000000000000 [ 157.101509][ C0] RDX: ffff8880279ad7c0 RSI: ffffffff81a396e8 RDI: 0000000000000001 [ 157.109479][ C0] RBP: ffffc900045f7b80 R08: 0000000000000001 R09: 0000000000000000 [ 157.117454][ C0] R10: 0000000000000020 R11: 0000000000000001 R12: 0000000000000020 [ 157.125428][ C0] R13: ffff888078a1dd34 R14: 0000000000000000 R15: 0000000000000000 [ 157.133400][ C0] FS: 00007fcfc23b3700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 157.142333][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 157.148919][ C0] CR2: 0000000020001ea8 CR3: 0000000074ad0000 CR4: 00000000003506f0 [ 157.156902][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 157.164895][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 157.172872][ C0] Call Trace: [ 157.176149][ C0] [ 157.179084][ C0] perf_swevent_hrtimer+0x353/0x3c0 [ 157.184300][ C0] ? __perf_event_overflow+0x540/0x540 [ 157.189766][ C0] ? debug_object_deactivate+0x268/0x300 [ 157.195419][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 157.200287][ C0] ? find_held_lock+0x2d/0x110 [ 157.205068][ C0] ? __hrtimer_run_queues+0x578/0xfb0 [ 157.210449][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 157.215321][ C0] ? __perf_event_overflow+0x540/0x540 [ 157.220790][ C0] __hrtimer_run_queues+0x1c6/0xfb0 [ 157.226004][ C0] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 157.231990][ C0] ? ktime_get_update_offsets_now+0x3ef/0x5c0 [ 157.238094][ C0] hrtimer_interrupt+0x320/0x790 [ 157.243073][ C0] __sysvec_apic_timer_interrupt+0x180/0x640 [ 157.249082][ C0] sysvec_apic_timer_interrupt+0x44/0xc0 [ 157.254738][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 157.260722][ C0] RIP: 0033:0x7fcfc24019a9 [ 157.265141][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 157.284753][ C0] RSP: 002b:00007fcfc23b3318 EFLAGS: 00000246 [ 157.290821][ C0] RAX: 0000000000000003 RBX: 00007fcfc24893e8 RCX: 00007fcfc24019a9 [ 157.298791][ C0] RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020001e80 [ 157.306776][ C0] RBP: 00007fcfc24893e0 R08: 0000000000000001 R09: 0000000000000000 [ 157.314768][ C0] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000003728080420 [ 157.322762][ C0] R13: 00007ffcb64aa42f R14: 00007fcfc23b3400 R15: 0000000000022000 [ 157.330765][ C0] [ 157.333795][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 157.340379][ C0] CPU: 0 PID: 3923 Comm: syz-executor173 Not tainted 6.1.0-rc4-syzkaller-01173-g2b3e8f6f5b93 #0 [ 157.350789][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 157.360852][ C0] Call Trace: [ 157.364172][ C0] [ 157.367104][ C0] dump_stack_lvl+0xd1/0x138 [ 157.371711][ C0] panic+0x2cc/0x626 [ 157.375613][ C0] ? panic_print_sys_info.part.0+0x110/0x110 [ 157.381612][ C0] ? __warn.cold+0x24b/0x350 [ 157.386211][ C0] ? __perf_event_overflow+0x498/0x540 [ 157.391677][ C0] __warn.cold+0x25c/0x350 [ 157.396100][ C0] ? __perf_event_overflow+0x498/0x540 [ 157.401567][ C0] report_bug+0x1c0/0x210 [ 157.405902][ C0] handle_bug+0x3c/0x70 [ 157.410073][ C0] exc_invalid_op+0x18/0x50 [ 157.414578][ C0] asm_exc_invalid_op+0x1a/0x20 [ 157.419430][ C0] RIP: 0010:__perf_event_overflow+0x498/0x540 [ 157.425505][ C0] Code: 80 3c 02 00 0f 85 b2 00 00 00 48 8b 83 20 02 00 00 48 ff 80 b8 01 00 00 e9 5b fe ff ff 45 31 f6 e9 a2 fd ff ff e8 88 88 dc ff <0f> 0b e9 47 fe ff ff 4c 89 e7 e8 19 33 2a 00 e9 b2 fb ff ff e8 cf [ 157.445121][ C0] RSP: 0000:ffffc900045f7b00 EFLAGS: 00010046 [ 157.451193][ C0] RAX: 0000000080010000 RBX: ffff888078a1d910 RCX: 0000000000000000 [ 157.459166][ C0] RDX: ffff8880279ad7c0 RSI: ffffffff81a396e8 RDI: 0000000000000001 [ 157.467138][ C0] RBP: ffffc900045f7b80 R08: 0000000000000001 R09: 0000000000000000 [ 157.475110][ C0] R10: 0000000000000020 R11: 0000000000000001 R12: 0000000000000020 [ 157.483082][ C0] R13: ffff888078a1dd34 R14: 0000000000000000 R15: 0000000000000000 [ 157.491065][ C0] ? __perf_event_overflow+0x498/0x540 [ 157.496547][ C0] perf_swevent_hrtimer+0x353/0x3c0 [ 157.501764][ C0] ? __perf_event_overflow+0x540/0x540 [ 157.507245][ C0] ? debug_object_deactivate+0x268/0x300 [ 157.512892][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 157.517763][ C0] ? find_held_lock+0x2d/0x110 [ 157.522548][ C0] ? __hrtimer_run_queues+0x578/0xfb0 [ 157.527931][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 157.532814][ C0] ? __perf_event_overflow+0x540/0x540 [ 157.538285][ C0] __hrtimer_run_queues+0x1c6/0xfb0 [ 157.543497][ C0] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 157.549486][ C0] ? ktime_get_update_offsets_now+0x3ef/0x5c0 [ 157.555574][ C0] hrtimer_interrupt+0x320/0x790 [ 157.560529][ C0] __sysvec_apic_timer_interrupt+0x180/0x640 [ 157.566527][ C0] sysvec_apic_timer_interrupt+0x44/0xc0 [ 157.572185][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 157.578172][ C0] RIP: 0033:0x7fcfc24019a9 [ 157.582594][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 157.602209][ C0] RSP: 002b:00007fcfc23b3318 EFLAGS: 00000246 [ 157.608280][ C0] RAX: 0000000000000003 RBX: 00007fcfc24893e8 RCX: 00007fcfc24019a9 [ 157.616252][ C0] RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020001e80 [ 157.624222][ C0] RBP: 00007fcfc24893e0 R08: 0000000000000001 R09: 0000000000000000 [ 157.632195][ C0] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000003728080420 [ 157.640166][ C0] R13: 00007ffcb64aa42f R14: 00007fcfc23b3400 R15: 0000000000022000 [ 157.648151][ C0] [ 157.651326][ C0] Kernel Offset: disabled [ 157.655706][ C0] Rebooting in 86400 seconds..