./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2565735079 <...> Warning: Permanently added '10.128.0.31' (ED25519) to the list of known hosts. execve("./syz-executor2565735079", ["./syz-executor2565735079"], 0x7ffd551edbc0 /* 10 vars */) = 0 brk(NULL) = 0x555559802000 brk(0x555559802d00) = 0x555559802d00 arch_prctl(ARCH_SET_FS, 0x555559802380) = 0 set_tid_address(0x555559802650) = 5867 set_robust_list(0x555559802660, 24) = 0 rseq(0x555559802ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2565735079", 4096) = 28 getrandom("\xff\xba\xd2\x6a\x12\xbb\xc7\xb9", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555559802d00 brk(0x555559823d00) = 0x555559823d00 brk(0x555559824000) = 0x555559824000 mprotect(0x7f721d99c000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5868 attached [pid 5868] set_robust_list(0x555559802660, 24 [pid 5867] <... clone resumed>, child_tidptr=0x555559802650) = 5868 [pid 5868] <... set_robust_list resumed>) = 0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5870 attached ./strace-static-x86_64: Process 5869 attached [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 5869 [pid 5870] set_robust_list(0x555559802660, 24 [pid 5869] set_robust_list(0x555559802660, 24 [pid 5867] <... clone resumed>, child_tidptr=0x555559802650) = 5870 [pid 5870] <... set_robust_list resumed>) = 0 [pid 5869] <... set_robust_list resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5869] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5872 attached ./strace-static-x86_64: Process 5871 attached [pid 5867] <... clone resumed>, child_tidptr=0x555559802650) = 5871 [pid 5869] <... prctl resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] set_robust_list(0x555559802660, 24 [pid 5869] setpgid(0, 0 [pid 5871] set_robust_list(0x555559802660, 24 [pid 5872] <... set_robust_list resumed>) = 0 [pid 5871] <... set_robust_list resumed>) = 0 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 5872 [pid 5869] <... setpgid resumed>) = 0 [pid 5869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5872] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5873 attached [pid 5873] set_robust_list(0x555559802660, 24 [pid 5867] <... clone resumed>, child_tidptr=0x555559802650) = 5873 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5873] <... set_robust_list resumed>) = 0 [pid 5872] <... prctl resumed>) = 0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5875 attached ./strace-static-x86_64: Process 5874 attached [pid 5872] setpgid(0, 0 [pid 5869] <... openat resumed>) = 3 [pid 5874] set_robust_list(0x555559802660, 24 [pid 5872] <... setpgid resumed>) = 0 [pid 5875] set_robust_list(0x555559802660, 24 [pid 5874] <... set_robust_list resumed>) = 0 [pid 5872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5875] <... set_robust_list resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 5875 [pid 5869] write(3, "1000", 4./strace-static-x86_64: Process 5876 attached [pid 5867] <... clone resumed>, child_tidptr=0x555559802650) = 5874 [pid 5875] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] <... openat resumed>) = 3 [pid 5869] <... write resumed>) = 4 [pid 5875] <... prctl resumed>) = 0 [pid 5876] set_robust_list(0x555559802660, 24) = 0 [pid 5876] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5875] setpgid(0, 0 [pid 5869] close(3 [pid 5876] <... prctl resumed>) = 0 [pid 5876] setpgid(0, 0 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 5876 [pid 5876] <... setpgid resumed>) = 0 [pid 5876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5872] write(3, "1000", 4./strace-static-x86_64: Process 5877 attached [pid 5876] <... openat resumed>) = 3 [pid 5877] set_robust_list(0x555559802660, 24 [pid 5876] write(3, "1000", 4executing program executing program [pid 5869] <... close resumed>) = 0 [pid 5875] <... setpgid resumed>) = 0 [pid 5877] <... set_robust_list resumed>) = 0 [pid 5876] <... write resumed>) = 4 [pid 5877] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5876] close(3 [pid 5875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5869] write(1, "executing program\n", 18 [pid 5877] <... prctl resumed>) = 0 [pid 5876] <... close resumed>) = 0 [pid 5869] <... write resumed>) = 18 [pid 5877] setpgid(0, 0 [pid 5876] write(1, "executing program\n", 18 [pid 5872] <... write resumed>) = 4 [pid 5877] <... setpgid resumed>) = 0 [pid 5876] <... write resumed>) = 18 [pid 5877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5876] perf_event_open( [pid 5875] <... openat resumed>) = 3 [pid 5872] close(3 [pid 5869] perf_event_open( [pid 5875] write(3, "1000", 4 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 5877 [pid 5877] <... openat resumed>) = 3 [pid 5876] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5875] <... write resumed>) = 4 [pid 5872] <... close resumed>) = 0 [pid 5869] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5875] close(3executing program [pid 5872] write(1, "executing program\n", 18 [pid 5869] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] <... close resumed>) = 0 [pid 5872] <... write resumed>) = 18 [pid 5877] write(3, "1000", 4 [pid 5876] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] write(1, "executing program\n", 18executing program [pid 5877] <... write resumed>) = 4 [pid 5876] <... bpf resumed>) = 4 [pid 5875] <... write resumed>) = 18 [pid 5872] perf_event_open( [pid 5869] <... bpf resumed>) = 4 [pid 5877] close(3 [pid 5876] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5877] <... close resumed>) = 0 [pid 5875] perf_event_open( [pid 5872] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5869] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148executing program [pid 5877] write(1, "executing program\n", 18 [pid 5876] <... bpf resumed>) = 5 [pid 5875] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5872] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5877] <... write resumed>) = 18 [pid 5877] perf_event_open( [pid 5876] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5877] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5876] <... bpf resumed>) = 6 [pid 5875] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5872] <... bpf resumed>) = 4 [pid 5869] <... bpf resumed>) = 5 [pid 5877] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5876] perf_event_open( [pid 5877] <... bpf resumed>) = 4 [pid 5875] <... bpf resumed>) = 4 [pid 5877] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5876] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5875] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5872] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5869] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5877] <... bpf resumed>) = 5 [pid 5876] exit_group(0 [pid 5877] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24) = 6 [pid 5877] perf_event_open( [pid 5876] <... exit_group resumed>) = ? [pid 5872] <... bpf resumed>) = 5 [pid 5877] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5869] <... bpf resumed>) = 6 [pid 5877] exit_group(0 [pid 5869] perf_event_open( [pid 5877] <... exit_group resumed>) = ? [pid 5875] <... bpf resumed>) = 5 [pid 5875] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5872] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5869] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5877] +++ exited with 0 +++ [pid 5869] exit_group(0 [pid 5876] +++ exited with 0 +++ [pid 5875] <... bpf resumed>) = 6 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5877, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5872] <... bpf resumed>) = 6 [pid 5875] perf_event_open( [pid 5874] restart_syscall(<... resuming interrupted clone ...> [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5876, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5869] <... exit_group resumed>) = ? [pid 5875] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5874] <... restart_syscall resumed>) = 0 [pid 5872] perf_event_open( [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5878 attached [pid 5878] set_robust_list(0x555559802660, 24) = 0 [pid 5878] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5869] +++ exited with 0 +++ [pid 5878] <... prctl resumed>) = 0 [pid 5878] setpgid(0, 0) = 0 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 5878 [pid 5878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5875] exit_group(0 [pid 5872] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 executing program [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5869, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5878] write(3, "1000", 4) = 4 [pid 5878] close(3) = 0 [pid 5878] write(1, "executing program\n", 18) = 18 [pid 5878] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] exit_group(0 [pid 5878] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5875] <... exit_group resumed>) = ? [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5879 attached [pid 5878] <... bpf resumed>) = 4 [pid 5878] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5872] <... exit_group resumed>) = ? [pid 5879] set_robust_list(0x555559802660, 24 [pid 5878] <... bpf resumed>) = 5 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 5879 ./strace-static-x86_64: Process 5880 attached [pid 5880] set_robust_list(0x555559802660, 24) = 0 [pid 5880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5880] setpgid(0, 0) = 0 [pid 5880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5880] write(3, "1000", 4) = 4 [pid 5880] close(3) = 0 executing program [pid 5880] write(1, "executing program\n", 18) = 18 [pid 5880] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5878] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24) = 6 [pid 5878] perf_event_open( [pid 5880] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5878] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5880] <... bpf resumed>) = 4 [pid 5878] exit_group(0 [pid 5880] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5879] <... set_robust_list resumed>) = 0 [pid 5878] <... exit_group resumed>) = ? [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 5880 [pid 5872] +++ exited with 0 +++ [pid 5879] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5872, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5879] <... prctl resumed>) = 0 [pid 5879] setpgid(0, 0 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5880] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 5881 attached [pid 5879] <... setpgid resumed>) = 0 [pid 5878] +++ exited with 0 +++ [pid 5875] +++ exited with 0 +++ [pid 5880] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5878, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5875, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 5881 [pid 5881] set_robust_list(0x555559802660, 24 [pid 5880] <... bpf resumed>) = 6 [pid 5881] <... set_robust_list resumed>) = 0 [pid 5881] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5880] perf_event_open( [pid 5879] <... openat resumed>) = 3 [pid 5881] <... prctl resumed>) = 0 [pid 5880] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5879] write(3, "1000", 4 [pid 5881] setpgid(0, 0 [pid 5880] exit_group(0 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5881] <... setpgid resumed>) = 0 [pid 5879] <... write resumed>) = 4 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5882 attached [pid 5880] <... exit_group resumed>) = ? [pid 5881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5879] close(3 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 5882 ./strace-static-x86_64: Process 5883 attached [pid 5882] set_robust_list(0x555559802660, 24) = 0 [pid 5882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5882] setpgid(0, 0) = 0 [pid 5883] set_robust_list(0x555559802660, 24 [pid 5882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5883] <... set_robust_list resumed>) = 0 [pid 5883] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5882] <... openat resumed>) = 3 [pid 5882] write(3, "1000", 4) = 4 [pid 5883] <... prctl resumed>) = 0 [pid 5883] setpgid(0, 0 [pid 5882] close(3) = 0 executing program [pid 5883] <... setpgid resumed>) = 0 [pid 5882] write(1, "executing program\n", 18 [pid 5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5882] <... write resumed>) = 18 [pid 5882] perf_event_open( [pid 5879] <... close resumed>) = 0 [pid 5881] <... openat resumed>) = 3 executing program [pid 5879] write(1, "executing program\n", 18 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 5883 [pid 5883] <... openat resumed>) = 3 [pid 5881] write(3, "1000", 4 [pid 5879] <... write resumed>) = 18 [pid 5881] <... write resumed>) = 4 executing program [pid 5883] write(3, "1000", 4 [pid 5879] perf_event_open( [pid 5881] close(3) = 0 [pid 5881] write(1, "executing program\n", 18) = 18 [pid 5881] perf_event_open( [pid 5883] <... write resumed>) = 4 [pid 5883] close(3 [pid 5882] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5881] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5880] +++ exited with 0 +++ [pid 5879] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5882] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5879] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5883] <... close resumed>) = 0 [pid 5881] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5879] <... bpf resumed>) = 4 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5880, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 5883] write(1, "executing program\n", 18 [pid 5882] <... bpf resumed>) = 4 [pid 5879] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5883] <... write resumed>) = 18 [pid 5883] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5882] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5881] <... bpf resumed>) = 4 [pid 5879] <... bpf resumed>) = 5 [pid 5879] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5883] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5882] <... bpf resumed>) = 5 [pid 5881] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5883] <... bpf resumed>) = 4 [pid 5882] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5879] <... bpf resumed>) = 6 [pid 5883] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5882] <... bpf resumed>) = 6 [pid 5879] perf_event_open(./strace-static-x86_64: Process 5884 attached [pid 5883] <... bpf resumed>) = 5 [pid 5882] perf_event_open( [pid 5881] <... bpf resumed>) = 5 [pid 5879] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5884] set_robust_list(0x555559802660, 24 [pid 5882] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5884] <... set_robust_list resumed>) = 0 [pid 5883] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5881] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5879] exit_group(0 [pid 5884] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 5884 [pid 5884] <... prctl resumed>) = 0 [pid 5884] setpgid(0, 0 [pid 5879] <... exit_group resumed>) = ? [pid 5883] <... bpf resumed>) = 6 [pid 5884] <... setpgid resumed>) = 0 [pid 5881] <... bpf resumed>) = 6 [pid 5884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5883] perf_event_open( [pid 5884] <... openat resumed>) = 3 [pid 5883] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5882] exit_group(0 [pid 5881] perf_event_open( [pid 5879] +++ exited with 0 +++ [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5879, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 5881] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5884] write(3, "1000", 4) = 4 [pid 5884] close(3 [pid 5883] exit_group(0 [pid 5882] <... exit_group resumed>) = ? [pid 5881] exit_group(0 [pid 5868] <... restart_syscall resumed>) = 0 [pid 5884] <... close resumed>) = 0 [pid 5883] <... exit_group resumed>) = ? [pid 5884] write(1, "executing program\n", 18 [pid 5881] <... exit_group resumed>) = ? executing program [pid 5884] <... write resumed>) = 18 [pid 5882] +++ exited with 0 +++ [pid 5881] +++ exited with 0 +++ [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5882, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5881, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5884] perf_event_open( [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 5870] restart_syscall(<... resuming interrupted clone ...> [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5885 attached , child_tidptr=0x555559802650) = 5885 [pid 5885] set_robust_list(0x555559802660, 24) = 0 [pid 5885] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5873] <... restart_syscall resumed>) = 0 [pid 5870] <... restart_syscall resumed>) = 0 [pid 5885] <... prctl resumed>) = 0 [pid 5884] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5883] +++ exited with 0 +++ [pid 5885] setpgid(0, 0) = 0 [pid 5884] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5886 attached [pid 5885] <... openat resumed>) = 3 [pid 5884] <... bpf resumed>) = 4 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5883, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 5886 ./strace-static-x86_64: Process 5887 attached [pid 5886] set_robust_list(0x555559802660, 24 [pid 5885] write(3, "1000", 4 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 5887 [pid 5886] <... set_robust_list resumed>) = 0 [pid 5886] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5887] set_robust_list(0x555559802660, 24./strace-static-x86_64: Process 5888 attached [pid 5886] <... prctl resumed>) = 0 [pid 5885] <... write resumed>) = 4 [pid 5884] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5888] set_robust_list(0x555559802660, 24 [pid 5887] <... set_robust_list resumed>) = 0 [pid 5886] setpgid(0, 0 [pid 5885] close(3 [pid 5888] <... set_robust_list resumed>) = 0 [pid 5887] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 5888 [pid 5888] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5887] <... prctl resumed>) = 0 [pid 5886] <... setpgid resumed>) = 0 [pid 5885] <... close resumed>) = 0 [pid 5884] <... bpf resumed>) = 5 [pid 5888] <... prctl resumed>) = 0 [pid 5886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 5885] write(1, "executing program\n", 18 [pid 5888] setpgid(0, 0 [pid 5887] setpgid(0, 0 [pid 5885] <... write resumed>) = 18 [pid 5884] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5888] <... setpgid resumed>) = 0 [pid 5888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5886] <... openat resumed>) = 3 [pid 5885] perf_event_open( [pid 5887] <... setpgid resumed>) = 0 [pid 5884] <... bpf resumed>) = 6 [pid 5888] <... openat resumed>) = 3 [pid 5888] write(3, "1000", 4 [pid 5887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5886] write(3, "1000", 4 [pid 5885] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5884] perf_event_open( [pid 5888] <... write resumed>) = 4 [pid 5888] close(3 [pid 5887] <... openat resumed>) = 3 [pid 5886] <... write resumed>) = 4 [pid 5885] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5888] <... close resumed>) = 0 [pid 5887] write(3, "1000", 4executing program [pid 5886] close(3 [pid 5884] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5888] write(1, "executing program\n", 18 [pid 5886] <... close resumed>) = 0 [pid 5888] <... write resumed>) = 18 [pid 5885] <... bpf resumed>) = 4 executing program [pid 5888] perf_event_open( [pid 5887] <... write resumed>) = 4 [pid 5886] write(1, "executing program\n", 18 [pid 5884] exit_group(0 [pid 5887] close(3 [pid 5886] <... write resumed>) = 18 [pid 5885] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5884] <... exit_group resumed>) = ? [pid 5888] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5887] <... close resumed>) = 0 [pid 5886] perf_event_open( [pid 5885] <... bpf resumed>) = 5 [pid 5884] +++ exited with 0 +++ executing program [pid 5887] write(1, "executing program\n", 18 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5884, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5887] <... write resumed>) = 18 [pid 5887] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5888] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5886] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5885] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5887] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5888] <... bpf resumed>) = 4 [pid 5885] <... bpf resumed>) = 6 [pid 5888] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5887] <... bpf resumed>) = 4 [pid 5886] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5887] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5885] perf_event_open( [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5889 attached [pid 5889] set_robust_list(0x555559802660, 24) = 0 [pid 5888] <... bpf resumed>) = 5 [pid 5887] <... bpf resumed>) = 5 [pid 5886] <... bpf resumed>) = 4 [pid 5885] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5887] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5886] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 5889 [pid 5889] setpgid(0, 0 [pid 5888] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5887] <... bpf resumed>) = 6 [pid 5885] exit_group(0 [pid 5889] <... setpgid resumed>) = 0 [pid 5888] <... bpf resumed>) = 6 [pid 5889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5888] perf_event_open( [pid 5887] perf_event_open( [pid 5885] <... exit_group resumed>) = ? [pid 5889] <... openat resumed>) = 3 [pid 5889] write(3, "1000", 4 [pid 5887] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5886] <... bpf resumed>) = 5 [pid 5889] <... write resumed>) = 4 [pid 5888] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5889] close(3executing program [pid 5887] exit_group(0 [pid 5886] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5885] +++ exited with 0 +++ [pid 5889] <... close resumed>) = 0 [pid 5888] exit_group(0 [pid 5887] <... exit_group resumed>) = ? [pid 5889] write(1, "executing program\n", 18) = 18 [pid 5888] <... exit_group resumed>) = ? [pid 5887] +++ exited with 0 +++ [pid 5886] <... bpf resumed>) = 6 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5885, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5889] perf_event_open( [pid 5888] +++ exited with 0 +++ [pid 5886] perf_event_open( [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5887, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5886] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 ./strace-static-x86_64: Process 5890 attached [pid 5889] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5886] exit_group(0 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5888, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5890] set_robust_list(0x555559802660, 24 [pid 5889] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5886] <... exit_group resumed>) = ? [pid 5890] <... set_robust_list resumed>) = 0 [pid 5889] <... bpf resumed>) = 4 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 5890 ./strace-static-x86_64: Process 5891 attached [pid 5890] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5889] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5891] set_robust_list(0x555559802660, 24) = 0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 5891 ./strace-static-x86_64: Process 5892 attached [pid 5890] setpgid(0, 0 [pid 5889] <... bpf resumed>) = 5 [pid 5890] <... setpgid resumed>) = 0 [pid 5890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5886] +++ exited with 0 +++ [pid 5892] set_robust_list(0x555559802660, 24 [pid 5891] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5889] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5892] <... set_robust_list resumed>) = 0 [pid 5891] <... prctl resumed>) = 0 [pid 5890] write(3, "1000", 4 [pid 5892] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5891] setpgid(0, 0 [pid 5892] <... prctl resumed>) = 0 [pid 5891] <... setpgid resumed>) = 0 [pid 5890] <... write resumed>) = 4 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 5892 [pid 5892] setpgid(0, 0 [pid 5891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5890] close(3 [pid 5889] <... bpf resumed>) = 6 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5886, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5892] <... setpgid resumed>) = 0 [pid 5891] <... openat resumed>) = 3 [pid 5870] restart_syscall(<... resuming interrupted clone ...> [pid 5891] write(3, "1000", 4 [pid 5892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5891] <... write resumed>) = 4 [pid 5890] <... close resumed>) = 0 [pid 5889] perf_event_open( [pid 5870] <... restart_syscall resumed>) = 0 [pid 5891] close(3 [pid 5890] write(1, "executing program\n", 18 [pid 5891] <... close resumed>) = 0 executing program [pid 5889] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5892] <... openat resumed>) = 3 [pid 5891] write(1, "executing program\n", 18executing program [pid 5890] <... write resumed>) = 18 [pid 5891] <... write resumed>) = 18 [pid 5891] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5891] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5892] write(3, "1000", 4 [pid 5890] perf_event_open( [pid 5889] exit_group(0 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5892] <... write resumed>) = 4 [pid 5892] close(3 [pid 5891] <... bpf resumed>) = 4 executing program [pid 5890] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5889] <... exit_group resumed>) = ? [pid 5892] <... close resumed>) = 0 [pid 5891] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5892] write(1, "executing program\n", 18) = 18 ./strace-static-x86_64: Process 5893 attached [pid 5892] perf_event_open( [pid 5893] set_robust_list(0x555559802660, 24 [pid 5892] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 5893 [pid 5893] <... set_robust_list resumed>) = 0 [pid 5893] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5892] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5891] <... bpf resumed>) = 5 [pid 5890] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5889] +++ exited with 0 +++ [pid 5893] <... prctl resumed>) = 0 [pid 5892] <... bpf resumed>) = 4 [pid 5891] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5890] <... bpf resumed>) = 4 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5889, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5892] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5890] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5893] setpgid(0, 0 [pid 5891] <... bpf resumed>) = 6 [pid 5893] <... setpgid resumed>) = 0 [pid 5893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5891] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5893] <... openat resumed>) = 3 [pid 5892] <... bpf resumed>) = 5 [pid 5890] <... bpf resumed>) = 5 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5893] write(3, "1000", 4 [pid 5892] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5891] exit_group(0 [pid 5893] <... write resumed>) = 4 ./strace-static-x86_64: Process 5894 attached [pid 5893] close(3 [pid 5892] <... bpf resumed>) = 6 executing program [pid 5893] <... close resumed>) = 0 [pid 5893] write(1, "executing program\n", 18 [pid 5892] perf_event_open( [pid 5891] <... exit_group resumed>) = ? [pid 5890] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5894] set_robust_list(0x555559802660, 24 [pid 5893] <... write resumed>) = 18 [pid 5890] <... bpf resumed>) = 6 [pid 5894] <... set_robust_list resumed>) = 0 [pid 5892] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5893] perf_event_open( [pid 5890] perf_event_open( [pid 5894] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5893] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5892] exit_group(0 [pid 5890] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 5894 [pid 5893] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5892] <... exit_group resumed>) = ? [pid 5891] +++ exited with 0 +++ [pid 5894] <... prctl resumed>) = 0 [pid 5893] <... bpf resumed>) = 4 [pid 5890] exit_group(0 [pid 5894] setpgid(0, 0 [pid 5893] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5891, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5894] <... setpgid resumed>) = 0 [pid 5890] <... exit_group resumed>) = ? [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 5894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5893] <... bpf resumed>) = 5 [pid 5892] +++ exited with 0 +++ [pid 5893] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5892, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5893] <... bpf resumed>) = 6 [pid 5873] <... restart_syscall resumed>) = 0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5895 attached [pid 5893] perf_event_open( [pid 5894] <... openat resumed>) = 3 [pid 5893] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5895] set_robust_list(0x555559802660, 24 [pid 5893] exit_group(0 [pid 5894] write(3, "1000", 4 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5894] <... write resumed>) = 4 [pid 5895] <... set_robust_list resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 5895 [pid 5895] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5893] <... exit_group resumed>) = ? [pid 5895] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5896 attached [pid 5895] setpgid(0, 0 [pid 5894] close(3 [pid 5895] <... setpgid resumed>) = 0 [pid 5894] <... close resumed>) = 0 [pid 5896] set_robust_list(0x555559802660, 24 [pid 5895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5894] write(1, "executing program\n", 18 [pid 5890] +++ exited with 0 +++ [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 5896 executing program [pid 5896] <... set_robust_list resumed>) = 0 [pid 5894] <... write resumed>) = 18 [pid 5896] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5895] <... openat resumed>) = 3 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5890, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5896] <... prctl resumed>) = 0 [pid 5896] setpgid(0, 0) = 0 [pid 5895] write(3, "1000", 4 [pid 5896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5895] <... write resumed>) = 4 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5895] close(3./strace-static-x86_64: Process 5897 attached [pid 5896] <... openat resumed>) = 3 [pid 5895] <... close resumed>) = 0 [pid 5894] perf_event_open( [pid 5896] write(3, "1000", 4 [pid 5895] write(1, "executing program\n", 18executing program [pid 5897] set_robust_list(0x555559802660, 24 [pid 5895] <... write resumed>) = 18 [pid 5896] <... write resumed>) = 4 executing program [pid 5895] perf_event_open( [pid 5897] <... set_robust_list resumed>) = 0 [pid 5896] close(3 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 5897 [pid 5896] <... close resumed>) = 0 [pid 5896] write(1, "executing program\n", 18 [pid 5897] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5896] <... write resumed>) = 18 [pid 5896] perf_event_open( [pid 5897] <... prctl resumed>) = 0 [pid 5897] setpgid(0, 0) = 0 [pid 5897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5896] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5895] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5894] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5893] +++ exited with 0 +++ [pid 5897] <... openat resumed>) = 3 [pid 5897] write(3, "1000", 4 [pid 5896] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5895] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5894] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5893, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5897] <... write resumed>) = 4 [pid 5895] <... bpf resumed>) = 4 [pid 5897] close(3 [pid 5895] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5897] <... close resumed>) = 0 [pid 5896] <... bpf resumed>) = 4 [pid 5894] <... bpf resumed>) = 4 [pid 5897] write(1, "executing program\n", 18executing program [pid 5896] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5894] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5897] <... write resumed>) = 18 [pid 5895] <... bpf resumed>) = 5 [pid 5895] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5897] perf_event_open( [pid 5896] <... bpf resumed>) = 5 [pid 5894] <... bpf resumed>) = 5 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5897] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5896] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5895] <... bpf resumed>) = 6 [pid 5896] <... bpf resumed>) = 6 ./strace-static-x86_64: Process 5898 attached [pid 5897] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5898] set_robust_list(0x555559802660, 24 [pid 5894] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5897] <... bpf resumed>) = 4 [pid 5898] <... set_robust_list resumed>) = 0 [pid 5896] perf_event_open( [pid 5895] perf_event_open( [pid 5894] <... bpf resumed>) = 6 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 5898 [pid 5898] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5897] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5896] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5895] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5894] perf_event_open( [pid 5898] <... prctl resumed>) = 0 [pid 5897] <... bpf resumed>) = 5 [pid 5896] exit_group(0 [pid 5895] exit_group(0 [pid 5894] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5898] setpgid(0, 0 [pid 5897] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5898] <... setpgid resumed>) = 0 [pid 5896] <... exit_group resumed>) = ? [pid 5898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5897] <... bpf resumed>) = 6 [pid 5895] <... exit_group resumed>) = ? [pid 5894] exit_group(0 [pid 5898] <... openat resumed>) = 3 [pid 5897] perf_event_open( [pid 5896] +++ exited with 0 +++ [pid 5895] +++ exited with 0 +++ [pid 5894] <... exit_group resumed>) = ? [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5896, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5895, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5898] write(3, "1000", 4 [pid 5897] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5894] +++ exited with 0 +++ [pid 5898] <... write resumed>) = 4 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5894, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5898] close(3) = 0 executing program [pid 5898] write(1, "executing program\n", 18) = 18 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5898] perf_event_open( [pid 5897] exit_group(0 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5899 attached [pid 5898] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 ./strace-static-x86_64: Process 5900 attached [pid 5899] set_robust_list(0x555559802660, 24 [pid 5900] set_robust_list(0x555559802660, 24 [pid 5898] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 5899 ./strace-static-x86_64: Process 5901 attached [pid 5900] <... set_robust_list resumed>) = 0 [pid 5899] <... set_robust_list resumed>) = 0 [pid 5897] <... exit_group resumed>) = ? [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 5900 [pid 5898] <... bpf resumed>) = 4 [pid 5898] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5900] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5897] +++ exited with 0 +++ [pid 5901] set_robust_list(0x555559802660, 24 [pid 5899] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 5901 [pid 5901] <... set_robust_list resumed>) = 0 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5897, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5901] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5900] <... prctl resumed>) = 0 [pid 5899] <... prctl resumed>) = 0 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 5899] setpgid(0, 0 [pid 5900] setpgid(0, 0 [pid 5868] <... restart_syscall resumed>) = 0 [pid 5901] <... prctl resumed>) = 0 [pid 5900] <... setpgid resumed>) = 0 [pid 5899] <... setpgid resumed>) = 0 [pid 5901] setpgid(0, 0 [pid 5899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5901] <... setpgid resumed>) = 0 [pid 5900] <... openat resumed>) = 3 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5899] <... openat resumed>) = 3 [pid 5900] write(3, "1000", 4 [pid 5899] write(3, "1000", 4 [pid 5898] <... bpf resumed>) = 5 [pid 5899] <... write resumed>) = 4 [pid 5899] close(3./strace-static-x86_64: Process 5902 attached [pid 5901] <... openat resumed>) = 3 [pid 5900] <... write resumed>) = 4 [pid 5898] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 5902 [pid 5902] set_robust_list(0x555559802660, 24) = 0 [pid 5899] <... close resumed>) = 0 [pid 5898] <... bpf resumed>) = 6 [pid 5902] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5901] write(3, "1000", 4 [pid 5900] close(3executing program [pid 5899] write(1, "executing program\n", 18 [pid 5901] <... write resumed>) = 4 [pid 5900] <... close resumed>) = 0 [pid 5899] <... write resumed>) = 18 executing program [pid 5901] close(3 [pid 5900] write(1, "executing program\n", 18 [pid 5899] perf_event_open(executing program [pid 5901] <... close resumed>) = 0 [pid 5900] <... write resumed>) = 18 [pid 5899] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5901] write(1, "executing program\n", 18 [pid 5900] perf_event_open( [pid 5901] <... write resumed>) = 18 [pid 5901] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5900] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5899] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5902] <... prctl resumed>) = 0 [pid 5898] perf_event_open( [pid 5900] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5902] setpgid(0, 0 [pid 5899] <... bpf resumed>) = 4 [pid 5902] <... setpgid resumed>) = 0 [pid 5901] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5900] <... bpf resumed>) = 4 [pid 5899] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5898] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5901] <... bpf resumed>) = 4 [pid 5900] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5898] exit_group(0 [pid 5902] <... openat resumed>) = 3 [pid 5901] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5899] <... bpf resumed>) = 5 [pid 5898] <... exit_group resumed>) = ? [pid 5902] write(3, "1000", 4 [pid 5901] <... bpf resumed>) = 5 [pid 5900] <... bpf resumed>) = 5 [pid 5899] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5901] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5900] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5902] <... write resumed>) = 4 [pid 5901] <... bpf resumed>) = 6 [pid 5900] <... bpf resumed>) = 6 [pid 5899] <... bpf resumed>) = 6 [pid 5898] +++ exited with 0 +++ [pid 5902] close(3 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5898, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5902] <... close resumed>) = 0 executing program [pid 5902] write(1, "executing program\n", 18) = 18 [pid 5901] perf_event_open( [pid 5900] perf_event_open( [pid 5899] perf_event_open( [pid 5902] perf_event_open( [pid 5901] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5900] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5899] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5902] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5902] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5900] exit_group(0 [pid 5899] exit_group(0 [pid 5901] exit_group(0 [pid 5899] <... exit_group resumed>) = ? [pid 5902] <... bpf resumed>) = 4 [pid 5901] <... exit_group resumed>) = ? [pid 5900] <... exit_group resumed>) = ? [pid 5902] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5899] +++ exited with 0 +++ [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5899, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 5903 attached [pid 5902] <... bpf resumed>) = 5 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 5903 [pid 5903] set_robust_list(0x555559802660, 24) = 0 [pid 5902] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5903] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5901] +++ exited with 0 +++ [pid 5900] +++ exited with 0 +++ [pid 5903] <... prctl resumed>) = 0 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5901, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5903] setpgid(0, 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5900, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5902] <... bpf resumed>) = 6 [pid 5903] <... setpgid resumed>) = 0 [pid 5902] perf_event_open( [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5902] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 ./strace-static-x86_64: Process 5904 attached [pid 5903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5904] set_robust_list(0x555559802660, 24 [pid 5902] exit_group(0 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5902] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5906 attached ./strace-static-x86_64: Process 5905 attached [pid 5904] <... set_robust_list resumed>) = 0 [pid 5903] <... openat resumed>) = 3 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 5904 [pid 5906] set_robust_list(0x555559802660, 24 [pid 5905] set_robust_list(0x555559802660, 24 [pid 5903] write(3, "1000", 4 [pid 5906] <... set_robust_list resumed>) = 0 [pid 5905] <... set_robust_list resumed>) = 0 [pid 5904] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 5905 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 5906 [pid 5906] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5905] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5904] <... prctl resumed>) = 0 [pid 5903] <... write resumed>) = 4 [pid 5906] <... prctl resumed>) = 0 [pid 5905] <... prctl resumed>) = 0 [pid 5904] setpgid(0, 0 [pid 5903] close(3 [pid 5906] setpgid(0, 0 [pid 5905] setpgid(0, 0 [pid 5904] <... setpgid resumed>) = 0 [pid 5903] <... close resumed>) = 0 [pid 5906] <... setpgid resumed>) = 0 [pid 5906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5905] <... setpgid resumed>) = 0 [pid 5904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5903] write(1, "executing program\n", 18executing program [pid 5905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5906] <... openat resumed>) = 3 [pid 5904] <... openat resumed>) = 3 [pid 5903] <... write resumed>) = 18 [pid 5902] +++ exited with 0 +++ [pid 5903] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5902, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5905] <... openat resumed>) = 3 [pid 5904] write(3, "1000", 4 [pid 5906] write(3, "1000", 4 [pid 5905] write(3, "1000", 4 [pid 5904] <... write resumed>) = 4 [pid 5906] <... write resumed>) = 4 [pid 5905] <... write resumed>) = 4 [pid 5904] close(3 [pid 5906] close(3 [pid 5905] close(3 [pid 5906] <... close resumed>) = 0 [pid 5905] <... close resumed>) = 0 [pid 5904] <... close resumed>) = 0 [pid 5903] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5906] write(1, "executing program\n", 18 [pid 5905] write(1, "executing program\n", 18 [pid 5904] write(1, "executing program\n", 18 [pid 5903] <... bpf resumed>) = 4 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program executing program executing program [pid 5906] <... write resumed>) = 18 [pid 5904] <... write resumed>) = 18 [pid 5903] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5906] perf_event_open( [pid 5905] <... write resumed>) = 18 [pid 5904] perf_event_open(./strace-static-x86_64: Process 5907 attached [pid 5906] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5905] perf_event_open( [pid 5904] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5903] <... bpf resumed>) = 5 [pid 5907] set_robust_list(0x555559802660, 24) = 0 [pid 5907] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 5907 [pid 5907] <... prctl resumed>) = 0 [pid 5907] setpgid(0, 0) = 0 [pid 5907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5905] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5903] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5906] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5904] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5905] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5907] write(3, "1000", 4 [pid 5906] <... bpf resumed>) = 4 [pid 5905] <... bpf resumed>) = 4 [pid 5904] <... bpf resumed>) = 4 [pid 5903] <... bpf resumed>) = 6 [pid 5907] <... write resumed>) = 4 [pid 5905] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5903] perf_event_open( [pid 5907] close(3 [pid 5904] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5903] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5907] <... close resumed>) = 0 executing program [pid 5907] write(1, "executing program\n", 18 [pid 5903] exit_group(0 [pid 5907] <... write resumed>) = 18 [pid 5907] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5907] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 4 [pid 5906] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5905] <... bpf resumed>) = 5 [pid 5903] <... exit_group resumed>) = ? [pid 5907] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5904] <... bpf resumed>) = 5 [pid 5906] <... bpf resumed>) = 5 [pid 5905] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5904] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5905] <... bpf resumed>) = 6 [pid 5905] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5905] exit_group(0 [pid 5907] <... bpf resumed>) = 5 [pid 5906] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5903] +++ exited with 0 +++ [pid 5907] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5904] <... bpf resumed>) = 6 [pid 5905] <... exit_group resumed>) = ? [pid 5907] <... bpf resumed>) = 6 [pid 5906] <... bpf resumed>) = 6 [pid 5904] perf_event_open( [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5903, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5907] perf_event_open( [pid 5906] perf_event_open( [pid 5905] +++ exited with 0 +++ [pid 5904] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5870] restart_syscall(<... resuming interrupted clone ...> [pid 5906] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5904] exit_group(0 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5905, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5870] <... restart_syscall resumed>) = 0 [pid 5907] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 5904] <... exit_group resumed>) = ? [pid 5873] <... restart_syscall resumed>) = 0 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5908 attached [pid 5904] +++ exited with 0 +++ [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5908] set_robust_list(0x555559802660, 24 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 5908 [pid 5908] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5909 attached [pid 5908] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5907] exit_group(0 [pid 5906] exit_group(0 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5904, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5909] set_robust_list(0x555559802660, 24) = 0 [pid 5908] <... prctl resumed>) = 0 [pid 5907] <... exit_group resumed>) = ? [pid 5906] <... exit_group resumed>) = ? [pid 5874] restart_syscall(<... resuming interrupted clone ...> [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 5909 [pid 5909] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5908] setpgid(0, 0) = 0 [pid 5908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5908] write(3, "1000", 4 [pid 5909] <... prctl resumed>) = 0 [pid 5906] +++ exited with 0 +++ [pid 5874] <... restart_syscall resumed>) = 0 [pid 5909] setpgid(0, 0) = 0 [pid 5909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5908] <... write resumed>) = 4 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5908] close(3 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5906, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5908] <... close resumed>) = 0 [pid 5909] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5911 attached ./strace-static-x86_64: Process 5910 attached [pid 5908] write(1, "executing program\n", 18 [pid 5907] +++ exited with 0 +++ executing program [pid 5910] set_robust_list(0x555559802660, 24 [pid 5909] write(3, "1000", 4 [pid 5908] <... write resumed>) = 18 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 5910 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 5911 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5907, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5910] <... set_robust_list resumed>) = 0 [pid 5909] <... write resumed>) = 4 [pid 5908] perf_event_open( [pid 5910] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5909] close(3 [pid 5911] set_robust_list(0x555559802660, 24 [pid 5909] <... close resumed>) = 0 [pid 5911] <... set_robust_list resumed>) = 0 [pid 5910] <... prctl resumed>) = 0 [pid 5909] write(1, "executing program\n", 18 [pid 5908] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 executing program [pid 5911] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5910] setpgid(0, 0 [pid 5909] <... write resumed>) = 18 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5911] <... prctl resumed>) = 0 [pid 5910] <... setpgid resumed>) = 0 [pid 5909] perf_event_open( [pid 5908] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80./strace-static-x86_64: Process 5912 attached [pid 5911] setpgid(0, 0 [pid 5910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5909] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5912] set_robust_list(0x555559802660, 24 [pid 5911] <... setpgid resumed>) = 0 [pid 5908] <... bpf resumed>) = 4 [pid 5912] <... set_robust_list resumed>) = 0 [pid 5911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5909] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 5912 [pid 5912] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5910] <... openat resumed>) = 3 [pid 5908] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148) = 5 [pid 5912] <... prctl resumed>) = 0 [pid 5911] <... openat resumed>) = 3 [pid 5910] write(3, "1000", 4 [pid 5909] <... bpf resumed>) = 4 [pid 5909] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5908] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5912] setpgid(0, 0 [pid 5911] write(3, "1000", 4 [pid 5910] <... write resumed>) = 4 [pid 5912] <... setpgid resumed>) = 0 [pid 5911] <... write resumed>) = 4 [pid 5910] close(3 [pid 5908] <... bpf resumed>) = 6 [pid 5912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5911] close(3 [pid 5910] <... close resumed>) = 0 [pid 5909] <... bpf resumed>) = 5 [pid 5908] perf_event_open( [pid 5909] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24) = 6 [pid 5909] perf_event_open( [pid 5912] <... openat resumed>) = 3 [pid 5911] <... close resumed>) = 0 [pid 5910] write(1, "executing program\n", 18 [pid 5908] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 executing program [pid 5912] write(3, "1000", 4 [pid 5911] write(1, "executing program\n", 18 [pid 5910] <... write resumed>) = 18 [pid 5909] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 executing program [pid 5912] <... write resumed>) = 4 [pid 5911] <... write resumed>) = 18 [pid 5910] perf_event_open( [pid 5908] exit_group(0 [pid 5912] close(3 [pid 5911] perf_event_open( [pid 5910] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5909] exit_group(0 [pid 5908] <... exit_group resumed>) = ? [pid 5912] <... close resumed>) = 0 [pid 5911] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5912] write(1, "executing program\n", 18 [pid 5910] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80executing program ) = 4 [pid 5912] <... write resumed>) = 18 [pid 5911] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5909] <... exit_group resumed>) = ? [pid 5908] +++ exited with 0 +++ [pid 5912] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5910] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5912] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 4 [pid 5911] <... bpf resumed>) = 4 [pid 5912] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5908, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5911] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5910] <... bpf resumed>) = 5 [pid 5909] +++ exited with 0 +++ [pid 5912] <... bpf resumed>) = 5 [pid 5912] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5909, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5910] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5912] <... bpf resumed>) = 6 ./strace-static-x86_64: Process 5913 attached [pid 5912] perf_event_open( [pid 5911] <... bpf resumed>) = 5 [pid 5910] <... bpf resumed>) = 6 [pid 5873] <... restart_syscall resumed>) = 0 [pid 5910] perf_event_open( [pid 5913] set_robust_list(0x555559802660, 24 [pid 5912] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5911] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5910] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 5913 [pid 5912] exit_group(0 [pid 5911] <... bpf resumed>) = 6 [pid 5910] exit_group(0 [pid 5913] <... set_robust_list resumed>) = 0 [pid 5911] perf_event_open( [pid 5912] <... exit_group resumed>) = ? [pid 5911] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5913] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5911] exit_group(0./strace-static-x86_64: Process 5914 attached [pid 5913] <... prctl resumed>) = 0 [pid 5912] +++ exited with 0 +++ [pid 5911] <... exit_group resumed>) = ? [pid 5910] <... exit_group resumed>) = ? [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 5914 [pid 5914] set_robust_list(0x555559802660, 24 [pid 5913] setpgid(0, 0 [pid 5911] +++ exited with 0 +++ [pid 5914] <... set_robust_list resumed>) = 0 [pid 5913] <... setpgid resumed>) = 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5911, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5912, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5914] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 5914] <... prctl resumed>) = 0 [pid 5913] <... openat resumed>) = 3 [pid 5914] setpgid(0, 0 [pid 5913] write(3, "1000", 4 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5914] <... setpgid resumed>) = 0 [pid 5913] <... write resumed>) = 4 [pid 5914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5913] close(3./strace-static-x86_64: Process 5915 attached ) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 5915 executing program [pid 5915] set_robust_list(0x555559802660, 24 [pid 5914] <... openat resumed>) = 3 [pid 5913] write(1, "executing program\n", 18 [pid 5871] <... restart_syscall resumed>) = 0 [pid 5915] <... set_robust_list resumed>) = 0 [pid 5913] <... write resumed>) = 18 [pid 5914] write(3, "1000", 4) = 4 [pid 5913] perf_event_open( [pid 5915] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5914] close(3) = 0 [pid 5915] <... prctl resumed>) = 0 executing program [pid 5914] write(1, "executing program\n", 18 [pid 5915] setpgid(0, 0 [pid 5914] <... write resumed>) = 18 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5915] <... setpgid resumed>) = 0 [pid 5914] perf_event_open( [ 74.122566][ C0] hrtimer: interrupt took 59195 ns [pid 5915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 5916 attached [pid 5914] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5913] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5910] +++ exited with 0 +++ [pid 5915] write(3, "1000", 4 [pid 5913] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5916] set_robust_list(0x555559802660, 24 [pid 5915] <... write resumed>) = 4 [pid 5914] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5913] <... bpf resumed>) = 4 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5910, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 5916 [pid 5916] <... set_robust_list resumed>) = 0 [pid 5915] close(3 [pid 5914] <... bpf resumed>) = 4 [pid 5915] <... close resumed>) = 0 [pid 5913] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148executing program [pid 5916] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5915] write(1, "executing program\n", 18 [pid 5914] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5916] <... prctl resumed>) = 0 [pid 5915] <... write resumed>) = 18 [pid 5914] <... bpf resumed>) = 5 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5916] setpgid(0, 0) = 0 [pid 5915] perf_event_open( [pid 5914] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5913] <... bpf resumed>) = 5 [pid 5916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5915] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5914] <... bpf resumed>) = 6 [pid 5913] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5916] <... openat resumed>) = 3 [pid 5913] <... bpf resumed>) = 6 [pid 5914] perf_event_open( [pid 5915] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5914] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 ./strace-static-x86_64: Process 5917 attached [pid 5917] set_robust_list(0x555559802660, 24 [pid 5916] write(3, "1000", 4 [pid 5915] <... bpf resumed>) = 4 [pid 5913] perf_event_open( [pid 5917] <... set_robust_list resumed>) = 0 [pid 5916] <... write resumed>) = 4 [pid 5914] exit_group(0 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 5917 [pid 5917] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5916] close(3 [pid 5915] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148executing program [pid 5914] <... exit_group resumed>) = ? [pid 5913] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5917] <... prctl resumed>) = 0 [pid 5916] <... close resumed>) = 0 [pid 5917] setpgid(0, 0 [pid 5916] write(1, "executing program\n", 18 [pid 5917] <... setpgid resumed>) = 0 [pid 5916] <... write resumed>) = 18 [pid 5917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5916] perf_event_open( [pid 5917] <... openat resumed>) = 3 [pid 5916] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5916] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5917] write(3, "1000", 4 [pid 5916] <... bpf resumed>) = 4 [pid 5915] <... bpf resumed>) = 5 [pid 5914] +++ exited with 0 +++ [pid 5913] exit_group(0 [pid 5917] <... write resumed>) = 4 [pid 5915] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5916] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5915] <... bpf resumed>) = 6 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5914, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5917] close(3 [pid 5913] <... exit_group resumed>) = ? [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 5917] <... close resumed>) = 0 [pid 5915] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5915] exit_group(0executing program [pid 5917] write(1, "executing program\n", 18 [pid 5916] <... bpf resumed>) = 5 [pid 5913] +++ exited with 0 +++ [pid 5873] <... restart_syscall resumed>) = 0 [pid 5917] <... write resumed>) = 18 [pid 5916] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5917] perf_event_open( [pid 5915] <... exit_group resumed>) = ? [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5913, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5917] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5916] <... bpf resumed>) = 6 [pid 5917] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5916] perf_event_open( [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5917] <... bpf resumed>) = 4 [pid 5917] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5916] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5915] +++ exited with 0 +++ ./strace-static-x86_64: Process 5918 attached [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5915, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5919 attached [pid 5918] set_robust_list(0x555559802660, 24 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 5918 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 5919] set_robust_list(0x555559802660, 24 [pid 5918] <... set_robust_list resumed>) = 0 [pid 5919] <... set_robust_list resumed>) = 0 [pid 5918] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5916] exit_group(0 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 5919 [pid 5919] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5918] <... prctl resumed>) = 0 [pid 5919] <... prctl resumed>) = 0 [pid 5918] setpgid(0, 0 [pid 5916] <... exit_group resumed>) = ? [pid 5919] setpgid(0, 0 [pid 5918] <... setpgid resumed>) = 0 [pid 5919] <... setpgid resumed>) = 0 [pid 5919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5919] <... openat resumed>) = 3 [pid 5918] <... openat resumed>) = 3 [pid 5917] <... bpf resumed>) = 5 [pid 5916] +++ exited with 0 +++ [pid 5868] <... restart_syscall resumed>) = 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5916, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5919] write(3, "1000", 4 [pid 5918] write(3, "1000", 4 [pid 5917] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5919] <... write resumed>) = 4 executing program executing program [pid 5918] <... write resumed>) = 4 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5919] close(3 [pid 5918] close(3 [pid 5917] <... bpf resumed>) = 6 [pid 5919] <... close resumed>) = 0 [pid 5918] <... close resumed>) = 0 [pid 5919] write(1, "executing program\n", 18) = 18 [pid 5918] write(1, "executing program\n", 18 [pid 5917] perf_event_open( [pid 5919] perf_event_open( [pid 5918] <... write resumed>) = 18 ./strace-static-x86_64: Process 5920 attached [pid 5918] perf_event_open( [pid 5917] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5920] set_robust_list(0x555559802660, 24 [pid 5919] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 5920 [pid 5920] <... set_robust_list resumed>) = 0 [pid 5919] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5918] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5917] exit_group(0./strace-static-x86_64: Process 5921 attached [pid 5920] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5919] <... bpf resumed>) = 4 [pid 5921] set_robust_list(0x555559802660, 24 [pid 5920] <... prctl resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 5921 [pid 5920] setpgid(0, 0 [pid 5919] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5918] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5921] <... set_robust_list resumed>) = 0 [pid 5920] <... setpgid resumed>) = 0 [pid 5917] <... exit_group resumed>) = ? [pid 5918] <... bpf resumed>) = 4 [pid 5919] <... bpf resumed>) = 5 [pid 5921] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5918] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5917] +++ exited with 0 +++ [pid 5919] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5921] <... prctl resumed>) = 0 [pid 5918] <... bpf resumed>) = 5 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5917, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5920] <... openat resumed>) = 3 [pid 5921] setpgid(0, 0 [pid 5920] write(3, "1000", 4 [pid 5921] <... setpgid resumed>) = 0 [pid 5921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5920] <... write resumed>) = 4 [pid 5919] <... bpf resumed>) = 6 [pid 5918] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5921] <... openat resumed>) = 3 [pid 5920] close(3 [pid 5919] perf_event_open( [pid 5918] <... bpf resumed>) = 6 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5921] write(3, "1000", 4 [pid 5920] <... close resumed>) = 0 [pid 5919] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5918] perf_event_open( [pid 5920] write(1, "executing program\n", 18executing program ./strace-static-x86_64: Process 5922 attached [pid 5921] <... write resumed>) = 4 [pid 5920] <... write resumed>) = 18 [pid 5918] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5922] set_robust_list(0x555559802660, 24 [pid 5921] close(3 [pid 5918] exit_group(0 [pid 5922] <... set_robust_list resumed>) = 0 [pid 5921] <... close resumed>) = 0 [pid 5920] perf_event_open(executing program [pid 5922] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5921] write(1, "executing program\n", 18 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 5922 [pid 5922] <... prctl resumed>) = 0 [pid 5921] <... write resumed>) = 18 [pid 5918] <... exit_group resumed>) = ? [pid 5922] setpgid(0, 0 [pid 5921] perf_event_open( [pid 5920] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5919] exit_group(0 [pid 5922] <... setpgid resumed>) = 0 [pid 5922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5921] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5920] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5919] <... exit_group resumed>) = ? [pid 5922] write(3, "1000", 4) = 4 executing program [pid 5921] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5918] +++ exited with 0 +++ [pid 5922] close(3 [pid 5921] <... bpf resumed>) = 4 [pid 5920] <... bpf resumed>) = 4 [pid 5922] <... close resumed>) = 0 [pid 5922] write(1, "executing program\n", 18 [pid 5921] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5922] <... write resumed>) = 18 [pid 5922] perf_event_open( [pid 5920] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5918, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 5922] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5919] +++ exited with 0 +++ [pid 5922] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 4 [pid 5921] <... bpf resumed>) = 5 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5919, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5922] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5921] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5920] <... bpf resumed>) = 5 [pid 5873] <... restart_syscall resumed>) = 0 [pid 5870] restart_syscall(<... resuming interrupted clone ...> [pid 5920] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5922] <... bpf resumed>) = 5 [pid 5921] <... bpf resumed>) = 6 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5922] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5921] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 ./strace-static-x86_64: Process 5923 attached [pid 5922] <... bpf resumed>) = 6 [pid 5921] exit_group(0 [pid 5920] <... bpf resumed>) = 6 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 5923 [pid 5870] <... restart_syscall resumed>) = 0 [pid 5923] set_robust_list(0x555559802660, 24 [pid 5922] perf_event_open( [pid 5921] <... exit_group resumed>) = ? [pid 5920] perf_event_open( [pid 5923] <... set_robust_list resumed>) = 0 [pid 5922] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5923] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5922] exit_group(0 [pid 5920] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5923] <... prctl resumed>) = 0 [pid 5923] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5924 attached [pid 5923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5922] <... exit_group resumed>) = ? [pid 5921] +++ exited with 0 +++ [pid 5924] set_robust_list(0x555559802660, 24 [pid 5920] exit_group(0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5921, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5924] <... set_robust_list resumed>) = 0 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 5924 [pid 5924] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5923] <... openat resumed>) = 3 [pid 5922] +++ exited with 0 +++ [pid 5920] <... exit_group resumed>) = ? [pid 5871] <... restart_syscall resumed>) = 0 [pid 5924] <... prctl resumed>) = 0 [pid 5924] setpgid(0, 0 [pid 5923] write(3, "1000", 4 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5922, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5924] <... setpgid resumed>) = 0 [pid 5924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5923] <... write resumed>) = 4 [pid 5923] close(3./strace-static-x86_64: Process 5925 attached [pid 5924] <... openat resumed>) = 3 [pid 5923] <... close resumed>) = 0 ./strace-static-x86_64: Process 5926 attached executing program [pid 5924] write(3, "1000", 4 [pid 5923] write(1, "executing program\n", 18 [pid 5924] <... write resumed>) = 4 [pid 5923] <... write resumed>) = 18 [pid 5926] set_robust_list(0x555559802660, 24 [pid 5925] set_robust_list(0x555559802660, 24 [pid 5924] close(3 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 5925 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 5926 [pid 5926] <... set_robust_list resumed>) = 0 [pid 5924] <... close resumed>) = 0 [pid 5926] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5924] write(1, "executing program\n", 18executing program [pid 5925] <... set_robust_list resumed>) = 0 [pid 5923] perf_event_open( [pid 5926] <... prctl resumed>) = 0 [pid 5924] <... write resumed>) = 18 [pid 5926] setpgid(0, 0 [pid 5925] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5924] perf_event_open( [pid 5926] <... setpgid resumed>) = 0 [pid 5926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5925] <... prctl resumed>) = 0 [pid 5925] setpgid(0, 0) = 0 [pid 5926] <... openat resumed>) = 3 [pid 5925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5926] write(3, "1000", 4) = 4 [pid 5926] close(3) = 0 executing program [pid 5926] write(1, "executing program\n", 18) = 18 [pid 5925] <... openat resumed>) = 3 [pid 5924] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5923] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5920] +++ exited with 0 +++ [pid 5926] perf_event_open( [pid 5925] write(3, "1000", 4 [pid 5924] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5923] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5925] <... write resumed>) = 4 [pid 5924] <... bpf resumed>) = 4 [pid 5923] <... bpf resumed>) = 4 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5920, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5926] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5925] close(3 [pid 5924] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5926] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5925] <... close resumed>) = 0 [pid 5923] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 5927 attached executing program [pid 5926] <... bpf resumed>) = 4 [pid 5925] write(1, "executing program\n", 18 [pid 5924] <... bpf resumed>) = 5 [pid 5927] set_robust_list(0x555559802660, 24 [pid 5926] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5925] <... write resumed>) = 18 [pid 5927] <... set_robust_list resumed>) = 0 [pid 5925] perf_event_open( [pid 5927] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5926] <... bpf resumed>) = 5 [pid 5925] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5924] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5923] <... bpf resumed>) = 5 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 5927 [pid 5927] setpgid(0, 0) = 0 [pid 5925] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5924] <... bpf resumed>) = 6 [pid 5923] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5926] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5925] <... bpf resumed>) = 4 [pid 5924] perf_event_open( [pid 5927] <... openat resumed>) = 3 [pid 5925] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5927] write(3, "1000", 4 [pid 5926] <... bpf resumed>) = 6 [pid 5927] <... write resumed>) = 4 [pid 5924] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5923] <... bpf resumed>) = 6 [pid 5927] close(3 [pid 5926] perf_event_open( [pid 5924] exit_group(0 [pid 5923] perf_event_open( [pid 5927] <... close resumed>) = 0 [pid 5925] <... bpf resumed>) = 5 [pid 5927] write(1, "executing program\n", 18executing program [pid 5926] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5925] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5924] <... exit_group resumed>) = ? [pid 5927] <... write resumed>) = 18 [pid 5923] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5927] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5926] exit_group(0 [pid 5925] <... bpf resumed>) = 6 [pid 5923] exit_group(0 [pid 5927] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5925] perf_event_open( [pid 5927] <... bpf resumed>) = 4 [pid 5927] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5926] <... exit_group resumed>) = ? [pid 5925] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5923] <... exit_group resumed>) = ? [pid 5924] +++ exited with 0 +++ [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5924, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5927] <... bpf resumed>) = 5 [pid 5923] +++ exited with 0 +++ [pid 5925] exit_group(0) = ? [pid 5927] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5923, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5928 attached [pid 5926] +++ exited with 0 +++ [pid 5925] +++ exited with 0 +++ [pid 5927] <... bpf resumed>) = 6 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5928] set_robust_list(0x555559802660, 24) = 0 [pid 5928] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 5929 attached [pid 5927] perf_event_open( [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5925, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5926, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 5928 [pid 5928] setpgid(0, 0 [pid 5927] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5874] restart_syscall(<... resuming interrupted clone ...> [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 5929 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 5929] set_robust_list(0x555559802660, 24 [pid 5928] <... setpgid resumed>) = 0 [pid 5929] <... set_robust_list resumed>) = 0 [pid 5929] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5874] <... restart_syscall resumed>) = 0 [pid 5871] <... restart_syscall resumed>) = 0 [pid 5927] exit_group(0 [pid 5929] <... prctl resumed>) = 0 [pid 5929] setpgid(0, 0 [pid 5927] <... exit_group resumed>) = ? [pid 5929] <... setpgid resumed>) = 0 [pid 5929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5928] <... openat resumed>) = 3 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5928] write(3, "1000", 4./strace-static-x86_64: Process 5930 attached [pid 5929] <... openat resumed>) = 3 [pid 5928] <... write resumed>) = 4 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 5930 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5929] write(3, "1000", 4 [pid 5928] close(3 [pid 5929] <... write resumed>) = 4 [pid 5928] <... close resumed>) = 0 [pid 5930] set_robust_list(0x555559802660, 24./strace-static-x86_64: Process 5931 attached [pid 5929] close(3 [pid 5928] write(1, "executing program\n", 18 executing program [pid 5927] +++ exited with 0 +++ [pid 5931] set_robust_list(0x555559802660, 24 [pid 5930] <... set_robust_list resumed>) = 0 [pid 5929] <... close resumed>) = 0 [pid 5928] <... write resumed>) = 18 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 5931 [pid 5930] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5929] write(1, "executing program\n", 18 [pid 5928] perf_event_open( [pid 5931] <... set_robust_list resumed>) = 0 executing program [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5927, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5931] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5930] <... prctl resumed>) = 0 [pid 5929] <... write resumed>) = 18 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5929] perf_event_open( [pid 5928] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5928] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80./strace-static-x86_64: Process 5932 attached [pid 5931] <... prctl resumed>) = 0 [pid 5930] setpgid(0, 0 [pid 5929] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 5932 [pid 5932] set_robust_list(0x555559802660, 24 [pid 5928] <... bpf resumed>) = 4 [pid 5931] setpgid(0, 0 [pid 5930] <... setpgid resumed>) = 0 [pid 5929] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5932] <... set_robust_list resumed>) = 0 [pid 5932] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5931] <... setpgid resumed>) = 0 [pid 5929] <... bpf resumed>) = 4 [pid 5928] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5932] <... prctl resumed>) = 0 [pid 5931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5929] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5930] <... openat resumed>) = 3 [pid 5930] write(3, "1000", 4 [pid 5928] <... bpf resumed>) = 5 [pid 5932] setpgid(0, 0 [pid 5931] <... openat resumed>) = 3 [pid 5930] <... write resumed>) = 4 [pid 5929] <... bpf resumed>) = 5 [pid 5930] close(3 [pid 5929] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5932] <... setpgid resumed>) = 0 [pid 5931] write(3, "1000", 4 [pid 5930] <... close resumed>) = 0 [pid 5928] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5929] <... bpf resumed>) = 6 executing program [pid 5932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5931] <... write resumed>) = 4 [pid 5930] write(1, "executing program\n", 18 [pid 5931] close(3 [pid 5930] <... write resumed>) = 18 [pid 5929] perf_event_open( [pid 5931] <... close resumed>) = 0 [pid 5930] perf_event_open( [pid 5929] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5928] <... bpf resumed>) = 6 [pid 5932] <... openat resumed>) = 3 executing program [pid 5931] write(1, "executing program\n", 18 [pid 5930] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5929] exit_group(0 [pid 5928] perf_event_open( [pid 5932] write(3, "1000", 4 [pid 5931] <... write resumed>) = 18 [pid 5932] <... write resumed>) = 4 [pid 5931] perf_event_open( [pid 5929] <... exit_group resumed>) = ? [pid 5928] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5932] close(3 [pid 5931] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5930] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5932] <... close resumed>) = 0 [pid 5931] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5928] exit_group(0executing program [pid 5932] write(1, "executing program\n", 18 [pid 5930] <... bpf resumed>) = 4 [pid 5929] +++ exited with 0 +++ [pid 5932] <... write resumed>) = 18 [pid 5931] <... bpf resumed>) = 4 [pid 5930] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5928] <... exit_group resumed>) = ? [pid 5932] perf_event_open( [pid 5931] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5932] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5931] <... bpf resumed>) = 5 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5929, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5932] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5931] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5930] <... bpf resumed>) = 5 [pid 5928] +++ exited with 0 +++ [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 5930] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5932] <... bpf resumed>) = 4 [pid 5931] <... bpf resumed>) = 6 [pid 5873] <... restart_syscall resumed>) = 0 [pid 5930] <... bpf resumed>) = 6 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5928, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5932] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5931] perf_event_open( [pid 5930] perf_event_open( [pid 5870] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5931] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 ./strace-static-x86_64: Process 5933 attached [pid 5932] <... bpf resumed>) = 5 [pid 5931] exit_group(0 [pid 5930] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5933] set_robust_list(0x555559802660, 24 [pid 5932] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5930] exit_group(0 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 5933 [pid 5932] <... bpf resumed>) = 6 [pid 5932] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5930] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5934 attached [pid 5933] <... set_robust_list resumed>) = 0 [pid 5932] exit_group(0 [pid 5931] <... exit_group resumed>) = ? [pid 5930] +++ exited with 0 +++ [pid 5933] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5932] <... exit_group resumed>) = ? [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5930, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5874] restart_syscall(<... resuming interrupted clone ...> [pid 5934] set_robust_list(0x555559802660, 24 [pid 5933] <... prctl resumed>) = 0 [pid 5931] +++ exited with 0 +++ [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 5934 [pid 5934] <... set_robust_list resumed>) = 0 [pid 5933] setpgid(0, 0) = 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5931, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5934] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5874] <... restart_syscall resumed>) = 0 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 5934] <... prctl resumed>) = 0 [pid 5933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5934] setpgid(0, 0 [pid 5933] <... openat resumed>) = 3 [pid 5934] <... setpgid resumed>) = 0 [pid 5933] write(3, "1000", 4 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5933] <... write resumed>) = 4 [pid 5871] <... restart_syscall resumed>) = 0 [pid 5933] close(3) = 0 [pid 5934] <... openat resumed>) = 3 [pid 5933] write(1, "executing program\n", 18 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 5935 attached [pid 5934] write(3, "1000", 4 [pid 5933] <... write resumed>) = 18 ./strace-static-x86_64: Process 5936 attached [pid 5935] set_robust_list(0x555559802660, 24 [pid 5934] <... write resumed>) = 4 [pid 5936] set_robust_list(0x555559802660, 24 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 5936 [pid 5936] <... set_robust_list resumed>) = 0 [pid 5935] <... set_robust_list resumed>) = 0 [pid 5934] close(3 [pid 5933] perf_event_open( [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 5935 [pid 5935] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 5934] <... close resumed>) = 0 [pid 5934] write(1, "executing program\n", 18 [pid 5935] <... prctl resumed>) = 0 [pid 5934] <... write resumed>) = 18 [pid 5934] perf_event_open( [pid 5936] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5935] setpgid(0, 0 [pid 5936] <... prctl resumed>) = 0 [pid 5936] setpgid(0, 0) = 0 [pid 5935] <... setpgid resumed>) = 0 [pid 5936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5936] <... openat resumed>) = 3 [pid 5936] write(3, "1000", 4 [pid 5935] <... openat resumed>) = 3 [pid 5936] <... write resumed>) = 4 [pid 5936] close(3) = 0 [pid 5935] write(3, "1000", 4) = 4 [pid 5936] write(1, "executing program\n", 18 [pid 5935] close(3 [pid 5934] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5933] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5932] +++ exited with 0 +++ executing program [pid 5936] <... write resumed>) = 18 [pid 5935] <... close resumed>) = 0 [pid 5934] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5933] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5932, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5936] perf_event_open( [pid 5935] write(1, "executing program\n", 18 [pid 5934] <... bpf resumed>) = 4 executing program [pid 5934] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5933] <... bpf resumed>) = 4 [pid 5936] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5935] <... write resumed>) = 18 [pid 5933] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5936] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5935] perf_event_open( [pid 5934] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 5937 attached [pid 5933] <... bpf resumed>) = 5 [pid 5937] set_robust_list(0x555559802660, 24 [pid 5936] <... bpf resumed>) = 4 [pid 5935] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5934] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 5937 [pid 5937] <... set_robust_list resumed>) = 0 [pid 5934] <... bpf resumed>) = 6 [pid 5933] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5937] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5934] perf_event_open( [pid 5933] <... bpf resumed>) = 6 [pid 5937] <... prctl resumed>) = 0 [pid 5935] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5936] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5935] <... bpf resumed>) = 4 [pid 5937] setpgid(0, 0 [pid 5934] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5933] perf_event_open( [pid 5937] <... setpgid resumed>) = 0 [pid 5935] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5933] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5934] exit_group(0 [pid 5933] exit_group(0 [pid 5937] <... openat resumed>) = 3 [pid 5933] <... exit_group resumed>) = ? [pid 5937] write(3, "1000", 4 [pid 5936] <... bpf resumed>) = 5 [pid 5935] <... bpf resumed>) = 5 [pid 5934] <... exit_group resumed>) = ? [pid 5937] <... write resumed>) = 4 [pid 5936] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5933] +++ exited with 0 +++ [pid 5936] <... bpf resumed>) = 6 [pid 5936] perf_event_open( [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5933, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5937] close(3 [pid 5936] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5935] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5870] restart_syscall(<... resuming interrupted clone ...>executing program [pid 5937] <... close resumed>) = 0 [pid 5935] <... bpf resumed>) = 6 [pid 5934] +++ exited with 0 +++ [pid 5870] <... restart_syscall resumed>) = 0 [pid 5937] write(1, "executing program\n", 18 [pid 5936] exit_group(0 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5934, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5937] <... write resumed>) = 18 [pid 5936] <... exit_group resumed>) = ? [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 5937] perf_event_open( [pid 5935] perf_event_open( [pid 5873] <... restart_syscall resumed>) = 0 [pid 5937] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5935] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5937] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 4 [pid 5935] exit_group(0 [pid 5937] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5936] +++ exited with 0 +++ [pid 5935] <... exit_group resumed>) = ? [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5939 attached ./strace-static-x86_64: Process 5938 attached [pid 5937] <... bpf resumed>) = 5 [pid 5937] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 5938 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5936, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5939] set_robust_list(0x555559802660, 24 [pid 5938] set_robust_list(0x555559802660, 24 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 5939] <... set_robust_list resumed>) = 0 [pid 5938] <... set_robust_list resumed>) = 0 [pid 5937] <... bpf resumed>) = 6 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 5939 [pid 5935] +++ exited with 0 +++ [pid 5871] <... restart_syscall resumed>) = 0 [pid 5938] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5935, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5939] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5938] <... prctl resumed>) = 0 [pid 5937] perf_event_open( [pid 5874] restart_syscall(<... resuming interrupted clone ...> [pid 5939] <... prctl resumed>) = 0 [pid 5937] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5938] setpgid(0, 0 [pid 5939] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5940 attached [pid 5939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5938] <... setpgid resumed>) = 0 [pid 5940] set_robust_list(0x555559802660, 24 [pid 5937] exit_group(0 [pid 5874] <... restart_syscall resumed>) = 0 [pid 5938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5939] <... openat resumed>) = 3 [pid 5940] <... set_robust_list resumed>) = 0 [pid 5938] <... openat resumed>) = 3 [pid 5937] <... exit_group resumed>) = ? [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 5940 [pid 5939] write(3, "1000", 4 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5941 attached [pid 5941] set_robust_list(0x555559802660, 24 [pid 5940] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5939] <... write resumed>) = 4 [pid 5938] write(3, "1000", 4 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 5941 executing program executing program [pid 5940] <... prctl resumed>) = 0 [pid 5939] close(3 [pid 5938] <... write resumed>) = 4 [pid 5939] <... close resumed>) = 0 [pid 5938] close(3 [pid 5939] write(1, "executing program\n", 18 [pid 5938] <... close resumed>) = 0 [pid 5938] write(1, "executing program\n", 18 [pid 5939] <... write resumed>) = 18 [pid 5938] <... write resumed>) = 18 [pid 5941] <... set_robust_list resumed>) = 0 [pid 5939] perf_event_open( [pid 5938] perf_event_open( [pid 5941] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5940] setpgid(0, 0 [pid 5941] <... prctl resumed>) = 0 [pid 5940] <... setpgid resumed>) = 0 [pid 5941] setpgid(0, 0) = 0 [pid 5940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5940] write(3, "1000", 4 [pid 5941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 5940] <... write resumed>) = 4 [pid 5940] close(3) = 0 [pid 5940] write(1, "executing program\n", 18 [pid 5941] write(3, "1000", 4 [pid 5940] <... write resumed>) = 18 [pid 5941] <... write resumed>) = 4 [pid 5940] perf_event_open( [pid 5941] close(3) = 0 [pid 5941] write(1, "executing program\n", 18executing program ) = 18 [pid 5941] perf_event_open( [pid 5937] +++ exited with 0 +++ [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5937, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5938] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5939] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5938] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5941] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5940] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5939] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5941] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5940] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5938] <... bpf resumed>) = 4 [pid 5939] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 5942 attached [pid 5941] <... bpf resumed>) = 4 [pid 5938] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5940] <... bpf resumed>) = 4 [pid 5939] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5942] set_robust_list(0x555559802660, 24 [pid 5941] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5942] <... set_robust_list resumed>) = 0 [pid 5941] <... bpf resumed>) = 5 [pid 5940] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5938] <... bpf resumed>) = 5 [pid 5942] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5942] setpgid(0, 0 [pid 5939] <... bpf resumed>) = 5 [pid 5942] <... setpgid resumed>) = 0 [pid 5941] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5941] <... bpf resumed>) = 6 [pid 5940] <... bpf resumed>) = 5 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 5942 [pid 5941] perf_event_open( [pid 5940] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5939] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5938] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5942] <... openat resumed>) = 3 [pid 5942] write(3, "1000", 4) = 4 [pid 5938] <... bpf resumed>) = 6 [pid 5939] <... bpf resumed>) = 6 [pid 5942] close(3 [pid 5938] perf_event_open( [pid 5942] <... close resumed>) = 0 [pid 5941] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5942] write(1, "executing program\n", 18 [pid 5940] <... bpf resumed>) = 6 [pid 5939] perf_event_open( [pid 5938] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 executing program [pid 5942] <... write resumed>) = 18 [pid 5941] exit_group(0 [pid 5940] perf_event_open( [pid 5939] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5942] perf_event_open( [pid 5938] exit_group(0 [pid 5940] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5942] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5942] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5941] <... exit_group resumed>) = ? [pid 5940] exit_group(0 [pid 5939] exit_group(0 [pid 5938] <... exit_group resumed>) = ? [pid 5941] +++ exited with 0 +++ [pid 5942] <... bpf resumed>) = 4 [pid 5940] <... exit_group resumed>) = ? [pid 5939] <... exit_group resumed>) = ? [pid 5942] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5938] +++ exited with 0 +++ [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5941, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5874] restart_syscall(<... resuming interrupted clone ...> [pid 5942] <... bpf resumed>) = 5 [pid 5940] +++ exited with 0 +++ [pid 5939] +++ exited with 0 +++ [pid 5874] <... restart_syscall resumed>) = 0 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5938, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 5942] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5873] <... restart_syscall resumed>) = 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5940, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5939, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5942] <... bpf resumed>) = 6 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5942] perf_event_open( [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5942] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 ./strace-static-x86_64: Process 5944 attached [pid 5942] exit_group(0./strace-static-x86_64: Process 5945 attached ./strace-static-x86_64: Process 5943 attached [pid 5944] set_robust_list(0x555559802660, 24 [pid 5942] <... exit_group resumed>) = ? [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 5945 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 5943 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 5944 ./strace-static-x86_64: Process 5946 attached [pid 5945] set_robust_list(0x555559802660, 24 [pid 5944] <... set_robust_list resumed>) = 0 [pid 5943] set_robust_list(0x555559802660, 24 [pid 5945] <... set_robust_list resumed>) = 0 [pid 5946] set_robust_list(0x555559802660, 24 [pid 5945] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5944] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5943] <... set_robust_list resumed>) = 0 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 5946 [pid 5946] <... set_robust_list resumed>) = 0 [pid 5946] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5946] setpgid(0, 0 [pid 5945] <... prctl resumed>) = 0 [pid 5946] <... setpgid resumed>) = 0 [pid 5945] setpgid(0, 0 [pid 5946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5945] <... setpgid resumed>) = 0 [pid 5945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5946] <... openat resumed>) = 3 [pid 5944] <... prctl resumed>) = 0 [pid 5943] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5945] <... openat resumed>) = 3 [pid 5946] write(3, "1000", 4 [pid 5945] write(3, "1000", 4executing program executing program [pid 5946] <... write resumed>) = 4 [pid 5945] <... write resumed>) = 4 [pid 5944] setpgid(0, 0 [pid 5943] <... prctl resumed>) = 0 [pid 5946] close(3 [pid 5945] close(3 [pid 5946] <... close resumed>) = 0 [pid 5945] <... close resumed>) = 0 [pid 5944] <... setpgid resumed>) = 0 [pid 5943] setpgid(0, 0 [pid 5946] write(1, "executing program\n", 18 [pid 5945] write(1, "executing program\n", 18 [pid 5946] <... write resumed>) = 18 [pid 5945] <... write resumed>) = 18 [pid 5944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5943] <... setpgid resumed>) = 0 [pid 5946] perf_event_open( [pid 5945] perf_event_open( [pid 5943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5944] <... openat resumed>) = 3 [pid 5943] <... openat resumed>) = 3 [pid 5943] write(3, "1000", 4 [pid 5944] write(3, "1000", 4 [pid 5943] <... write resumed>) = 4 [pid 5944] <... write resumed>) = 4 [pid 5943] close(3 [pid 5944] close(3 [pid 5943] <... close resumed>) = 0 [pid 5944] <... close resumed>) = 0 [pid 5943] write(1, "executing program\n", 18executing program executing program [pid 5944] write(1, "executing program\n", 18) = 18 [pid 5943] <... write resumed>) = 18 [pid 5944] perf_event_open( [pid 5943] perf_event_open( [pid 5942] +++ exited with 0 +++ [pid 5945] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5946] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5944] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5942, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5946] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5945] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5944] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 5943] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5946] <... bpf resumed>) = 4 [pid 5945] <... bpf resumed>) = 4 [pid 5944] <... bpf resumed>) = 4 [pid 5943] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5946] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5945] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5944] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5943] <... bpf resumed>) = 4 [pid 5946] <... bpf resumed>) = 5 [pid 5945] <... bpf resumed>) = 5 [pid 5943] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5944] <... bpf resumed>) = 5 [pid 5868] <... restart_syscall resumed>) = 0 [pid 5945] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5943] <... bpf resumed>) = 5 [pid 5946] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24) = 6 [pid 5945] <... bpf resumed>) = 6 [pid 5944] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5943] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5946] perf_event_open( [pid 5945] perf_event_open( [pid 5944] <... bpf resumed>) = 6 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5947 attached [pid 5946] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5945] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5944] perf_event_open( [pid 5943] <... bpf resumed>) = 6 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 5947 [pid 5947] set_robust_list(0x555559802660, 24 [pid 5946] exit_group(0 [pid 5945] exit_group(0 [pid 5944] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5943] perf_event_open( [pid 5947] <... set_robust_list resumed>) = 0 [pid 5943] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5945] <... exit_group resumed>) = ? [pid 5947] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5946] <... exit_group resumed>) = ? [pid 5944] exit_group(0 [pid 5943] exit_group(0 [pid 5947] setpgid(0, 0 [pid 5944] <... exit_group resumed>) = ? [pid 5943] <... exit_group resumed>) = ? [pid 5947] <... setpgid resumed>) = 0 [pid 5947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5945] +++ exited with 0 +++ [pid 5943] +++ exited with 0 +++ [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5945, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5943, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5874] restart_syscall(<... resuming interrupted clone ...> [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 5947] <... openat resumed>) = 3 [pid 5944] +++ exited with 0 +++ [pid 5947] write(3, "1000", 4) = 4 [pid 5947] close(3) = 0 executing program [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5944, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5947] write(1, "executing program\n", 18) = 18 [pid 5874] <... restart_syscall resumed>) = 0 [pid 5873] <... restart_syscall resumed>) = 0 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 5947] perf_event_open( [pid 5871] <... restart_syscall resumed>) = 0 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5948 attached [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5949 attached ./strace-static-x86_64: Process 5950 attached [pid 5948] set_robust_list(0x555559802660, 24 [pid 5946] +++ exited with 0 +++ [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 5948 [pid 5950] set_robust_list(0x555559802660, 24 [pid 5949] set_robust_list(0x555559802660, 24 [pid 5948] <... set_robust_list resumed>) = 0 [pid 5947] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 5949 [pid 5950] <... set_robust_list resumed>) = 0 [pid 5949] <... set_robust_list resumed>) = 0 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5946, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5950] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5870] restart_syscall(<... resuming interrupted clone ...> [pid 5949] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5947] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 5950 [pid 5950] <... prctl resumed>) = 0 [pid 5949] <... prctl resumed>) = 0 [pid 5948] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5947] <... bpf resumed>) = 4 [pid 5950] setpgid(0, 0 [pid 5949] setpgid(0, 0 [pid 5948] <... prctl resumed>) = 0 [pid 5870] <... restart_syscall resumed>) = 0 [pid 5950] <... setpgid resumed>) = 0 [pid 5949] <... setpgid resumed>) = 0 [pid 5948] setpgid(0, 0 [pid 5947] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5948] <... setpgid resumed>) = 0 [pid 5950] <... openat resumed>) = 3 [pid 5949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5947] <... bpf resumed>) = 5 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5947] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24./strace-static-x86_64: Process 5951 attached [pid 5950] write(3, "1000", 4 [pid 5949] <... openat resumed>) = 3 [pid 5951] set_robust_list(0x555559802660, 24 [pid 5950] <... write resumed>) = 4 [pid 5948] <... openat resumed>) = 3 [pid 5947] <... bpf resumed>) = 6 [pid 5951] <... set_robust_list resumed>) = 0 [pid 5950] close(3 [pid 5949] write(3, "1000", 4 [pid 5948] write(3, "1000", 4 [pid 5947] perf_event_open( [pid 5951] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 5951 executing program [pid 5950] <... close resumed>) = 0 [pid 5949] <... write resumed>) = 4 [pid 5948] <... write resumed>) = 4 [pid 5947] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5950] write(1, "executing program\n", 18 [pid 5949] close(3 [pid 5950] <... write resumed>) = 18 [pid 5948] close(3 [pid 5950] perf_event_open( [pid 5949] <... close resumed>) = 0 [pid 5948] <... close resumed>) = 0 [pid 5951] <... prctl resumed>) = 0 [pid 5951] setpgid(0, 0) = 0 executing program executing program [pid 5951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5950] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5949] write(1, "executing program\n", 18 [pid 5948] write(1, "executing program\n", 18 [pid 5951] <... openat resumed>) = 3 [pid 5949] <... write resumed>) = 18 [pid 5948] <... write resumed>) = 18 [pid 5951] write(3, "1000", 4 executing program [pid 5948] perf_event_open( [pid 5951] <... write resumed>) = 4 [pid 5949] perf_event_open( [pid 5951] close(3) = 0 [pid 5948] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5951] write(1, "executing program\n", 18 [pid 5949] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5951] <... write resumed>) = 18 [pid 5951] perf_event_open( [pid 5950] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5947] exit_group(0 [pid 5951] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5949] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5948] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5951] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5950] <... bpf resumed>) = 4 [pid 5949] <... bpf resumed>) = 4 [pid 5947] <... exit_group resumed>) = ? [pid 5950] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5948] <... bpf resumed>) = 4 [pid 5951] <... bpf resumed>) = 4 [pid 5949] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148) = 5 [pid 5948] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5951] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5950] <... bpf resumed>) = 5 [pid 5947] +++ exited with 0 +++ [pid 5950] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5949] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5948] <... bpf resumed>) = 5 [pid 5948] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5951] <... bpf resumed>) = 5 [pid 5950] <... bpf resumed>) = 6 [pid 5949] <... bpf resumed>) = 6 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5947, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5951] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5950] perf_event_open( [pid 5949] perf_event_open( [pid 5948] <... bpf resumed>) = 6 [pid 5951] <... bpf resumed>) = 6 [pid 5950] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5949] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5948] perf_event_open( [pid 5951] perf_event_open( [pid 5950] exit_group(0 [pid 5948] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5952 attached [pid 5951] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5950] <... exit_group resumed>) = ? [pid 5949] exit_group(0 [pid 5952] set_robust_list(0x555559802660, 24 [pid 5948] exit_group(0 [pid 5952] <... set_robust_list resumed>) = 0 [pid 5951] exit_group(0 [pid 5949] <... exit_group resumed>) = ? [pid 5948] <... exit_group resumed>) = ? [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 5952 [pid 5952] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5951] <... exit_group resumed>) = ? [pid 5950] +++ exited with 0 +++ [pid 5949] +++ exited with 0 +++ [pid 5952] setpgid(0, 0 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5949, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5950, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5948] +++ exited with 0 +++ ./strace-static-x86_64: Process 5953 attached [pid 5952] <... setpgid resumed>) = 0 [pid 5953] set_robust_list(0x555559802660, 24 [pid 5952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5948, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5953] <... set_robust_list resumed>) = 0 [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 5953 ./strace-static-x86_64: Process 5954 attached [pid 5953] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5952] <... openat resumed>) = 3 [pid 5951] +++ exited with 0 +++ [pid 5954] set_robust_list(0x555559802660, 24 [pid 5952] write(3, "1000", 4 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 5954 [pid 5873] <... restart_syscall resumed>) = 0 [pid 5953] <... prctl resumed>) = 0 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5951, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5953] setpgid(0, 0 [pid 5954] <... set_robust_list resumed>) = 0 [pid 5952] <... write resumed>) = 4 [pid 5954] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5952] close(3executing program [pid 5954] <... prctl resumed>) = 0 [pid 5953] <... setpgid resumed>) = 0 [pid 5952] <... close resumed>) = 0 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5954] setpgid(0, 0 [pid 5952] write(1, "executing program\n", 18 [pid 5953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5954] <... setpgid resumed>) = 0 [pid 5952] <... write resumed>) = 18 [pid 5954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5952] perf_event_open(./strace-static-x86_64: Process 5955 attached [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5954] <... openat resumed>) = 3 [pid 5952] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5954] write(3, "1000", 4./strace-static-x86_64: Process 5956 attached [pid 5955] set_robust_list(0x555559802660, 24 [pid 5954] <... write resumed>) = 4 [pid 5953] <... openat resumed>) = 3 [pid 5952] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5956] set_robust_list(0x555559802660, 24 [pid 5955] <... set_robust_list resumed>) = 0 [pid 5954] close(3 [pid 5953] write(3, "1000", 4 [pid 5955] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5953] <... write resumed>) = 4 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 5956 [pid 5956] <... set_robust_list resumed>) = 0 [pid 5955] <... prctl resumed>) = 0 [pid 5954] <... close resumed>) = 0 executing program [pid 5953] close(3 [pid 5952] <... bpf resumed>) = 4 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 5955 [pid 5956] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5955] setpgid(0, 0 [pid 5954] write(1, "executing program\n", 18 [pid 5953] <... close resumed>) = 0 [pid 5955] <... setpgid resumed>) = 0 [pid 5955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5954] <... write resumed>) = 18 [pid 5953] write(1, "executing program\n", 18executing program [pid 5956] <... prctl resumed>) = 0 [pid 5955] <... openat resumed>) = 3 [pid 5954] perf_event_open( [pid 5953] <... write resumed>) = 18 [pid 5952] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5956] setpgid(0, 0 [pid 5955] write(3, "1000", 4 [pid 5954] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5953] perf_event_open( [pid 5956] <... setpgid resumed>) = 0 executing program [pid 5955] <... write resumed>) = 4 [pid 5953] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5955] close(3) = 0 [pid 5955] write(1, "executing program\n", 18) = 18 [pid 5953] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5955] perf_event_open( [pid 5953] <... bpf resumed>) = 4 [pid 5952] <... bpf resumed>) = 5 [pid 5956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5955] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5954] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5955] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5953] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5956] <... openat resumed>) = 3 [pid 5955] <... bpf resumed>) = 4 [pid 5954] <... bpf resumed>) = 4 [pid 5952] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5956] write(3, "1000", 4 [pid 5955] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5953] <... bpf resumed>) = 5 [pid 5956] <... write resumed>) = 4 [pid 5954] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5956] close(3 [pid 5952] <... bpf resumed>) = 6 [pid 5956] <... close resumed>) = 0 [pid 5955] <... bpf resumed>) = 5 [pid 5953] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24) = 6 [pid 5953] perf_event_open(executing program [pid 5956] write(1, "executing program\n", 18 [pid 5953] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5952] perf_event_open( [pid 5956] <... write resumed>) = 18 [pid 5952] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5956] perf_event_open( [pid 5955] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5953] exit_group(0 [pid 5952] exit_group(0 [pid 5956] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5955] <... bpf resumed>) = 6 [pid 5953] <... exit_group resumed>) = ? [pid 5955] perf_event_open( [pid 5954] <... bpf resumed>) = 5 [pid 5955] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5955] exit_group(0) = ? [pid 5952] <... exit_group resumed>) = ? [pid 5953] +++ exited with 0 +++ [pid 5956] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5954] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5956] <... bpf resumed>) = 4 [pid 5955] +++ exited with 0 +++ [pid 5954] <... bpf resumed>) = 6 [pid 5952] +++ exited with 0 +++ [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5953, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5955, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5952, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5956] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 5958 attached ./strace-static-x86_64: Process 5957 attached [pid 5954] perf_event_open( [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5959 attached [pid 5958] set_robust_list(0x555559802660, 24 [pid 5957] set_robust_list(0x555559802660, 24 [pid 5954] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 5957 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 5958 [pid 5957] <... set_robust_list resumed>) = 0 [pid 5958] <... set_robust_list resumed>) = 0 [pid 5957] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5959] set_robust_list(0x555559802660, 24 [pid 5958] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5956] <... bpf resumed>) = 5 [pid 5954] exit_group(0 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 5959 [pid 5959] <... set_robust_list resumed>) = 0 [pid 5958] <... prctl resumed>) = 0 [pid 5957] <... prctl resumed>) = 0 [pid 5956] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5959] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5958] setpgid(0, 0 [pid 5954] <... exit_group resumed>) = ? [pid 5958] <... setpgid resumed>) = 0 [pid 5959] <... prctl resumed>) = 0 [pid 5958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5957] setpgid(0, 0 [pid 5956] <... bpf resumed>) = 6 [pid 5959] setpgid(0, 0 [pid 5957] <... setpgid resumed>) = 0 [pid 5957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5959] <... setpgid resumed>) = 0 [pid 5958] <... openat resumed>) = 3 [pid 5956] perf_event_open( [pid 5954] +++ exited with 0 +++ [pid 5959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5958] write(3, "1000", 4 [pid 5957] <... openat resumed>) = 3 [pid 5956] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5954, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5958] <... write resumed>) = 4 [pid 5959] <... openat resumed>) = 3 [pid 5958] close(3 [pid 5957] write(3, "1000", 4 [pid 5956] exit_group(0 [pid 5958] <... close resumed>) = 0 [pid 5957] <... write resumed>) = 4 [pid 5959] write(3, "1000", 4 [pid 5957] close(3executing program executing program [pid 5959] <... write resumed>) = 4 [pid 5957] <... close resumed>) = 0 [pid 5959] close(3 [pid 5958] write(1, "executing program\n", 18 [pid 5956] <... exit_group resumed>) = ? [pid 5959] <... close resumed>) = 0 [pid 5957] write(1, "executing program\n", 18 [pid 5959] write(1, "executing program\n", 18 [pid 5957] <... write resumed>) = 18 [pid 5959] <... write resumed>) = 18 [pid 5957] perf_event_open( [pid 5959] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 executing program [pid 5957] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5959] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5958] <... write resumed>) = 18 [pid 5956] +++ exited with 0 +++ [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5957] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5958] perf_event_open( [pid 5959] <... bpf resumed>) = 4 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5956, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5959] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5958] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5957] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 5960 attached [pid 5958] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5957] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 5960 [pid 5960] set_robust_list(0x555559802660, 24 [pid 5959] <... bpf resumed>) = 5 [pid 5958] <... bpf resumed>) = 4 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5960] <... set_robust_list resumed>) = 0 [pid 5959] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5958] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5960] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5961 attached ) = 0 [pid 5960] setpgid(0, 0) = 0 [pid 5960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 5961 [pid 5961] set_robust_list(0x555559802660, 24 [pid 5960] <... openat resumed>) = 3 [pid 5959] <... bpf resumed>) = 6 [pid 5958] <... bpf resumed>) = 5 [pid 5957] <... bpf resumed>) = 5 [pid 5960] write(3, "1000", 4 [pid 5959] perf_event_open( [pid 5961] <... set_robust_list resumed>) = 0 [pid 5958] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5961] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5959] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5957] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5961] <... prctl resumed>) = 0 [pid 5960] <... write resumed>) = 4 [pid 5958] <... bpf resumed>) = 6 [pid 5961] setpgid(0, 0) = 0 [pid 5959] exit_group(0 [pid 5961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5960] close(3 [pid 5958] perf_event_open( [pid 5957] <... bpf resumed>) = 6 [pid 5961] <... openat resumed>) = 3 [pid 5961] write(3, "1000", 4 [pid 5960] <... close resumed>) = 0 [pid 5959] <... exit_group resumed>) = ? [pid 5958] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5957] perf_event_open( [pid 5960] write(1, "executing program\n", 18executing program [pid 5961] <... write resumed>) = 4 [pid 5960] <... write resumed>) = 18 [pid 5957] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5961] close(3 [pid 5960] perf_event_open(executing program [pid 5961] <... close resumed>) = 0 [pid 5960] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5961] write(1, "executing program\n", 18) = 18 [pid 5961] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5961] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5959] +++ exited with 0 +++ [pid 5961] <... bpf resumed>) = 4 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5959, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5961] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5960] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5957] exit_group(0 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 5958] exit_group(0 [pid 5960] <... bpf resumed>) = 4 [pid 5961] <... bpf resumed>) = 5 [pid 5960] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5958] <... exit_group resumed>) = ? [pid 5957] <... exit_group resumed>) = ? [pid 5961] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5960] <... bpf resumed>) = 5 [pid 5868] <... restart_syscall resumed>) = 0 [pid 5958] +++ exited with 0 +++ [pid 5961] <... bpf resumed>) = 6 [pid 5960] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5957] +++ exited with 0 +++ [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5958, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5961] perf_event_open( [pid 5960] <... bpf resumed>) = 6 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5957, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5962 attached [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5961] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5960] perf_event_open( [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 5962 ./strace-static-x86_64: Process 5963 attached [pid 5962] set_robust_list(0x555559802660, 24) = 0 [pid 5963] set_robust_list(0x555559802660, 24 [pid 5962] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 5963 [pid 5963] <... set_robust_list resumed>) = 0 [pid 5960] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5963] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5962] <... prctl resumed>) = 0 [pid 5962] setpgid(0, 0 [pid 5963] <... prctl resumed>) = 0 [pid 5961] exit_group(0 [pid 5960] exit_group(0 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5963] setpgid(0, 0 [pid 5962] <... setpgid resumed>) = 0 [pid 5961] <... exit_group resumed>) = ? [pid 5960] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5964 attached [pid 5963] <... setpgid resumed>) = 0 [pid 5962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5964] set_robust_list(0x555559802660, 24 [pid 5963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5962] <... openat resumed>) = 3 [pid 5964] <... set_robust_list resumed>) = 0 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 5964 [pid 5964] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5963] <... openat resumed>) = 3 [pid 5960] +++ exited with 0 +++ [pid 5962] write(3, "1000", 4 [pid 5964] <... prctl resumed>) = 0 [pid 5963] write(3, "1000", 4 [pid 5962] <... write resumed>) = 4 [pid 5964] setpgid(0, 0 [pid 5963] <... write resumed>) = 4 [pid 5962] close(3 [pid 5964] <... setpgid resumed>) = 0 [pid 5963] close(3 [pid 5962] <... close resumed>) = 0 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5960, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5963] <... close resumed>) = 0 [pid 5962] write(1, "executing program\n", 18 [pid 5874] restart_syscall(<... resuming interrupted clone ...>) = 0 executing program executing program [pid 5963] write(1, "executing program\n", 18 [pid 5962] <... write resumed>) = 18 [pid 5964] <... openat resumed>) = 3 [pid 5963] <... write resumed>) = 18 [pid 5962] perf_event_open( [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5964] write(3, "1000", 4 [pid 5963] perf_event_open( [pid 5964] <... write resumed>) = 4 [pid 5964] close(3) = 0 ./strace-static-x86_64: Process 5965 attached [pid 5964] write(1, "executing program\n", 18executing program [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 5965 [pid 5965] set_robust_list(0x555559802660, 24 [pid 5964] <... write resumed>) = 18 [pid 5965] <... set_robust_list resumed>) = 0 [pid 5964] perf_event_open( [pid 5965] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5965] setpgid(0, 0) = 0 [pid 5965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5964] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5963] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5962] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5961] +++ exited with 0 +++ [pid 5965] <... openat resumed>) = 3 [pid 5964] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5963] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5962] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5965] write(3, "1000", 4 [pid 5964] <... bpf resumed>) = 4 [pid 5963] <... bpf resumed>) = 4 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5961, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5962] <... bpf resumed>) = 4 [pid 5965] <... write resumed>) = 4 [pid 5963] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5965] close(3 [pid 5964] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5962] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5870] restart_syscall(<... resuming interrupted clone ...> [pid 5965] <... close resumed>) = 0 [pid 5963] <... bpf resumed>) = 5 [pid 5965] write(1, "executing program\n", 18 [pid 5964] <... bpf resumed>) = 5 [pid 5962] <... bpf resumed>) = 5 [pid 5870] <... restart_syscall resumed>) = 0 executing program [pid 5963] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5965] <... write resumed>) = 18 [pid 5965] perf_event_open( [pid 5964] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5963] <... bpf resumed>) = 6 [pid 5962] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5963] perf_event_open( [pid 5965] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5963] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5962] <... bpf resumed>) = 6 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5964] <... bpf resumed>) = 6 [pid 5963] exit_group(0./strace-static-x86_64: Process 5966 attached [pid 5965] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5964] perf_event_open( [pid 5962] perf_event_open( [pid 5966] set_robust_list(0x555559802660, 24 [pid 5965] <... bpf resumed>) = 4 [pid 5964] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5963] <... exit_group resumed>) = ? [pid 5962] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5966] <... set_robust_list resumed>) = 0 [pid 5965] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5964] exit_group(0 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 5966 [pid 5966] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5965] <... bpf resumed>) = 5 [pid 5962] exit_group(0 [pid 5966] <... prctl resumed>) = 0 [pid 5964] <... exit_group resumed>) = ? [pid 5963] +++ exited with 0 +++ [pid 5965] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5962] <... exit_group resumed>) = ? [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5963, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5966] setpgid(0, 0 [pid 5965] <... bpf resumed>) = 6 [pid 5964] +++ exited with 0 +++ [pid 5966] <... setpgid resumed>) = 0 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5964, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5965] perf_event_open( [pid 5962] +++ exited with 0 +++ [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 5966] write(3, "1000", 4) = 4 [pid 5966] close(3 [pid 5965] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5873] <... restart_syscall resumed>) = 0 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5962, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5966] <... close resumed>) = 0 executing program [pid 5966] write(1, "executing program\n", 18) = 18 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 5966] perf_event_open( [pid 5868] <... restart_syscall resumed>) = 0 [pid 5966] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5966] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5965] exit_group(0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5967 attached [pid 5966] <... bpf resumed>) = 4 [pid 5965] <... exit_group resumed>) = ? [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5968 attached [pid 5967] set_robust_list(0x555559802660, 24 [pid 5966] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 5967 ./strace-static-x86_64: Process 5969 attached [pid 5967] <... set_robust_list resumed>) = 0 [pid 5967] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5966] <... bpf resumed>) = 5 [pid 5967] <... prctl resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 5969 [pid 5967] setpgid(0, 0) = 0 [pid 5967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5965] +++ exited with 0 +++ [pid 5969] set_robust_list(0x555559802660, 24 [pid 5967] <... openat resumed>) = 3 [pid 5969] <... set_robust_list resumed>) = 0 [pid 5968] set_robust_list(0x555559802660, 24 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5965, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5969] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5968] <... set_robust_list resumed>) = 0 [pid 5967] write(3, "1000", 4 [pid 5874] restart_syscall(<... resuming interrupted clone ...> [pid 5967] <... write resumed>) = 4 [pid 5968] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5967] close(3executing program [pid 5968] <... prctl resumed>) = 0 [pid 5967] <... close resumed>) = 0 [pid 5969] <... prctl resumed>) = 0 [pid 5966] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 5968 [pid 5967] write(1, "executing program\n", 18 [pid 5968] setpgid(0, 0 [pid 5967] <... write resumed>) = 18 [pid 5969] setpgid(0, 0 [pid 5968] <... setpgid resumed>) = 0 [pid 5969] <... setpgid resumed>) = 0 [pid 5967] perf_event_open( [pid 5966] <... bpf resumed>) = 6 [pid 5969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5967] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5969] <... openat resumed>) = 3 [pid 5968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5966] perf_event_open( [pid 5874] <... restart_syscall resumed>) = 0 [pid 5969] write(3, "1000", 4 [pid 5967] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5966] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5969] <... write resumed>) = 4 [pid 5968] <... openat resumed>) = 3 [pid 5967] <... bpf resumed>) = 4 [pid 5969] close(3 [pid 5968] write(3, "1000", 4) = 4 [pid 5968] close(3) = 0 [pid 5968] write(1, "executing program\n", 18executing program [pid 5969] <... close resumed>) = 0 executing program [pid 5969] write(1, "executing program\n", 18 [pid 5968] <... write resumed>) = 18 [pid 5967] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5969] <... write resumed>) = 18 [pid 5968] perf_event_open( [pid 5966] exit_group(0 [pid 5968] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 ./strace-static-x86_64: Process 5970 attached [pid 5969] perf_event_open( [pid 5967] <... bpf resumed>) = 5 [pid 5966] <... exit_group resumed>) = ? [pid 5970] set_robust_list(0x555559802660, 24 [pid 5968] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5967] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5968] <... bpf resumed>) = 4 [pid 5967] <... bpf resumed>) = 6 [pid 5968] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5970] <... set_robust_list resumed>) = 0 [pid 5969] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5967] perf_event_open( [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 5970 [pid 5970] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5969] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5966] +++ exited with 0 +++ [pid 5970] <... prctl resumed>) = 0 [pid 5969] <... bpf resumed>) = 4 [pid 5968] <... bpf resumed>) = 5 [pid 5967] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5970] setpgid(0, 0 [pid 5969] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5970] <... setpgid resumed>) = 0 [pid 5969] <... bpf resumed>) = 5 [pid 5968] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5967] exit_group(0 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5966, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5969] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5970] <... openat resumed>) = 3 [pid 5968] <... bpf resumed>) = 6 [pid 5967] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5971 attached [pid 5970] write(3, "1000", 4 [pid 5969] <... bpf resumed>) = 6 [pid 5968] perf_event_open( [pid 5971] set_robust_list(0x555559802660, 24 [pid 5970] <... write resumed>) = 4 [pid 5969] perf_event_open( [pid 5971] <... set_robust_list resumed>) = 0 [pid 5970] close(3 [pid 5969] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5968] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 5971 [pid 5971] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5970] <... close resumed>) = 0 [pid 5970] write(1, "executing program\n", 18executing program [pid 5969] exit_group(0 [pid 5971] <... prctl resumed>) = 0 [pid 5970] <... write resumed>) = 18 [pid 5969] <... exit_group resumed>) = ? [pid 5968] exit_group(0 [pid 5967] +++ exited with 0 +++ [pid 5971] setpgid(0, 0 [pid 5970] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5968] <... exit_group resumed>) = ? [pid 5971] <... setpgid resumed>) = 0 [pid 5970] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5969] +++ exited with 0 +++ [pid 5971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5970] <... bpf resumed>) = 4 [pid 5968] +++ exited with 0 +++ [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5967, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5971] <... openat resumed>) = 3 [pid 5970] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5969, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5971] write(3, "1000", 4 [pid 5970] <... bpf resumed>) = 5 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5968, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5971] <... write resumed>) = 4 [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 5971] close(3./strace-static-x86_64: Process 5973 attached ./strace-static-x86_64: Process 5972 attached [pid 5973] set_robust_list(0x555559802660, 24 [pid 5971] <... close resumed>) = 0 [pid 5970] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 5972 [pid 5973] <... set_robust_list resumed>) = 0 [pid 5972] set_robust_list(0x555559802660, 24 executing program [pid 5971] write(1, "executing program\n", 18 [pid 5973] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5972] <... set_robust_list resumed>) = 0 [pid 5971] <... write resumed>) = 18 [pid 5970] <... bpf resumed>) = 6 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 5973 [pid 5973] <... prctl resumed>) = 0 [pid 5972] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5971] perf_event_open( [pid 5973] setpgid(0, 0 [pid 5972] <... prctl resumed>) = 0 [pid 5970] perf_event_open( [pid 5973] <... setpgid resumed>) = 0 [pid 5972] setpgid(0, 0 [pid 5970] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5972] <... setpgid resumed>) = 0 [pid 5972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5970] exit_group(0 [pid 5873] <... restart_syscall resumed>) = 0 [pid 5971] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5971] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5973] <... openat resumed>) = 3 [pid 5972] <... openat resumed>) = 3 [pid 5970] <... exit_group resumed>) = ? [pid 5971] <... bpf resumed>) = 4 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program executing program ./strace-static-x86_64: Process 5974 attached [pid 5973] write(3, "1000", 4 [pid 5971] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5973] <... write resumed>) = 4 [pid 5972] write(3, "1000", 4 [pid 5970] +++ exited with 0 +++ [pid 5973] close(3 [pid 5972] <... write resumed>) = 4 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5970, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5973] <... close resumed>) = 0 [pid 5972] close(3 [pid 5973] write(1, "executing program\n", 18 [pid 5972] <... close resumed>) = 0 [pid 5973] <... write resumed>) = 18 [pid 5972] write(1, "executing program\n", 18 [pid 5973] perf_event_open( [pid 5972] <... write resumed>) = 18 [pid 5972] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5973] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5972] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5973] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5972] <... bpf resumed>) = 4 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 5974 [pid 5973] <... bpf resumed>) = 4 [pid 5972] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5974] set_robust_list(0x555559802660, 24 [pid 5971] <... bpf resumed>) = 5 [pid 5974] <... set_robust_list resumed>) = 0 [pid 5973] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5972] <... bpf resumed>) = 5 [pid 5974] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5971] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5974] <... prctl resumed>) = 0 [pid 5974] setpgid(0, 0 [pid 5972] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5971] <... bpf resumed>) = 6 [pid 5974] <... setpgid resumed>) = 0 [pid 5974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5973] <... bpf resumed>) = 5 [pid 5974] <... openat resumed>) = 3 [pid 5973] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5974] write(3, "1000", 4 [pid 5972] <... bpf resumed>) = 6 [pid 5971] perf_event_open( [pid 5974] <... write resumed>) = 4 [pid 5972] perf_event_open( [pid 5971] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5974] close(3 [pid 5972] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5974] <... close resumed>) = 0 [pid 5973] <... bpf resumed>) = 6 [pid 5972] exit_group(0) = ? executing program [pid 5974] write(1, "executing program\n", 18 [pid 5973] perf_event_open( [pid 5971] exit_group(0 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5974] <... write resumed>) = 18 [pid 5973] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5972] +++ exited with 0 +++ [pid 5971] <... exit_group resumed>) = ? [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5972, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5974] perf_event_open( [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 5974] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 ./strace-static-x86_64: Process 5975 attached [pid 5973] exit_group(0 [pid 5975] set_robust_list(0x555559802660, 24 [pid 5871] <... restart_syscall resumed>) = 0 [pid 5975] <... set_robust_list resumed>) = 0 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 5975 [pid 5975] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5974] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5975] <... prctl resumed>) = 0 [pid 5974] <... bpf resumed>) = 4 [pid 5973] <... exit_group resumed>) = ? [pid 5971] +++ exited with 0 +++ ./strace-static-x86_64: Process 5976 attached [pid 5974] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5976] set_robust_list(0x555559802660, 24 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5971, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5976] <... set_robust_list resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 5976 [pid 5870] restart_syscall(<... resuming interrupted clone ...> [pid 5976] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5976] setpgid(0, 0 [pid 5975] setpgid(0, 0 [pid 5974] <... bpf resumed>) = 5 [pid 5973] +++ exited with 0 +++ [pid 5870] <... restart_syscall resumed>) = 0 [pid 5976] <... setpgid resumed>) = 0 [pid 5975] <... setpgid resumed>) = 0 [pid 5976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5974] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5973, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5974] <... bpf resumed>) = 6 [pid 5974] perf_event_open( [pid 5976] <... openat resumed>) = 3 [pid 5975] <... openat resumed>) = 3 [pid 5974] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5976] write(3, "1000", 4 [pid 5975] write(3, "1000", 4 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5975] <... write resumed>) = 4 [pid 5974] exit_group(0 [pid 5976] <... write resumed>) = 4 [pid 5975] close(3) = 0 [pid 5975] write(1, "executing program\n", 18executing program ) = 18 ./strace-static-x86_64: Process 5977 attached [pid 5976] close(3 [pid 5975] perf_event_open( [pid 5974] <... exit_group resumed>) = ? [pid 5976] <... close resumed>) = 0 ./strace-static-x86_64: Process 5978 attached [pid 5975] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5978] set_robust_list(0x555559802660, 24 [pid 5975] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5978] <... set_robust_list resumed>) = 0 [pid 5977] set_robust_list(0x555559802660, 24 [pid 5976] write(1, "executing program\n", 18 [pid 5975] <... bpf resumed>) = 4 [pid 5974] +++ exited with 0 +++ [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 5978 [pid 5978] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5977] <... set_robust_list resumed>) = 0 executing program [pid 5976] <... write resumed>) = 18 [pid 5975] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5978] <... prctl resumed>) = 0 [pid 5977] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5976] perf_event_open( [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5974, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 5977 [pid 5978] setpgid(0, 0 [pid 5976] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5978] <... setpgid resumed>) = 0 [pid 5975] <... bpf resumed>) = 5 [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 5978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5977] <... prctl resumed>) = 0 [pid 5975] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5976] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5978] <... openat resumed>) = 3 [pid 5977] setpgid(0, 0 [pid 5975] <... bpf resumed>) = 6 [pid 5873] <... restart_syscall resumed>) = 0 [pid 5977] <... setpgid resumed>) = 0 [pid 5976] <... bpf resumed>) = 4 [pid 5978] write(3, "1000", 4 [pid 5977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5975] perf_event_open( [pid 5978] <... write resumed>) = 4 [pid 5976] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5975] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5977] <... openat resumed>) = 3 [pid 5978] close(3 [pid 5977] write(3, "1000", 4 [pid 5978] <... close resumed>) = 0 [pid 5975] exit_group(0 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5978] write(1, "executing program\n", 18executing program [pid 5977] <... write resumed>) = 4 ./strace-static-x86_64: Process 5979 attached [pid 5978] <... write resumed>) = 18 [pid 5976] <... bpf resumed>) = 5 [pid 5975] <... exit_group resumed>) = ? [pid 5979] set_robust_list(0x555559802660, 24 [pid 5978] perf_event_open( [pid 5977] close(3 [pid 5976] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5979] <... set_robust_list resumed>) = 0 [pid 5977] <... close resumed>) = 0 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 5979 [pid 5979] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5978] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5977] write(1, "executing program\n", 18 [pid 5976] <... bpf resumed>) = 6 [pid 5978] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80executing program [pid 5976] perf_event_open( [pid 5975] +++ exited with 0 +++ [pid 5979] <... prctl resumed>) = 0 [pid 5977] <... write resumed>) = 18 [pid 5979] setpgid(0, 0 [pid 5977] perf_event_open( [pid 5976] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5979] <... setpgid resumed>) = 0 [pid 5978] <... bpf resumed>) = 4 [pid 5977] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5978] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5975, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5979] <... openat resumed>) = 3 [pid 5977] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5979] write(3, "1000", 4 [pid 5977] <... bpf resumed>) = 4 [pid 5976] exit_group(0 [pid 5979] <... write resumed>) = 4 [pid 5977] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5976] <... exit_group resumed>) = ? [pid 5874] restart_syscall(<... resuming interrupted clone ...> [pid 5978] <... bpf resumed>) = 5 [pid 5979] close(3 [pid 5977] <... bpf resumed>) = 5 [pid 5976] +++ exited with 0 +++ [pid 5978] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5874] <... restart_syscall resumed>) = 0 [pid 5979] <... close resumed>) = 0 executing program [pid 5979] write(1, "executing program\n", 18 [pid 5977] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5979] <... write resumed>) = 18 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5976, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5979] perf_event_open( [pid 5978] <... bpf resumed>) = 6 [pid 5977] <... bpf resumed>) = 6 [pid 5871] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5980 attached [pid 5980] set_robust_list(0x555559802660, 24 [pid 5979] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5978] perf_event_open( [pid 5977] perf_event_open( [pid 5980] <... set_robust_list resumed>) = 0 [pid 5979] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5978] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 5980 [pid 5980] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5977] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5979] <... bpf resumed>) = 4 [pid 5980] <... prctl resumed>) = 0 [pid 5979] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5978] exit_group(0 [pid 5980] setpgid(0, 0) = 0 [pid 5980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5979] <... bpf resumed>) = 5 [pid 5978] <... exit_group resumed>) = ? [pid 5977] exit_group(0 [pid 5871] <... restart_syscall resumed>) = 0 [pid 5980] <... openat resumed>) = 3 [pid 5979] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5977] <... exit_group resumed>) = ? [pid 5980] write(3, "1000", 4./strace-static-x86_64: Process 5981 attached [pid 5981] set_robust_list(0x555559802660, 24 [pid 5980] <... write resumed>) = 4 [pid 5981] <... set_robust_list resumed>) = 0 [pid 5979] <... bpf resumed>) = 6 [pid 5978] +++ exited with 0 +++ [pid 5977] +++ exited with 0 +++ [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 5981 [pid 5981] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5980] close(3 [pid 5979] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5981] <... prctl resumed>) = 0 [pid 5980] <... close resumed>) = 0 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5977, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5978, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5981] setpgid(0, 0 [pid 5980] write(1, "executing program\n", 18 [pid 5979] exit_group(0executing program [pid 5980] <... write resumed>) = 18 [pid 5981] <... setpgid resumed>) = 0 [pid 5980] perf_event_open( [pid 5979] <... exit_group resumed>) = ? [pid 5981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5980] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5980] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5981] <... openat resumed>) = 3 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5980] <... bpf resumed>) = 4 [pid 5979] +++ exited with 0 +++ ./strace-static-x86_64: Process 5982 attached [pid 5981] write(3, "1000", 4 [pid 5980] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 5983 attached [pid 5982] set_robust_list(0x555559802660, 24 [pid 5981] <... write resumed>) = 4 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5979, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5983] set_robust_list(0x555559802660, 24 [pid 5982] <... set_robust_list resumed>) = 0 [pid 5981] close(3 [pid 5980] <... bpf resumed>) = 5 [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 5983] <... set_robust_list resumed>) = 0 [pid 5982] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5981] <... close resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 5983 [pid 5983] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 5982] <... prctl resumed>) = 0 [pid 5981] write(1, "executing program\n", 18 [pid 5980] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 5982 [pid 5982] setpgid(0, 0 [pid 5981] <... write resumed>) = 18 [pid 5983] <... prctl resumed>) = 0 [pid 5982] <... setpgid resumed>) = 0 [pid 5981] perf_event_open( [pid 5983] setpgid(0, 0 [pid 5980] <... bpf resumed>) = 6 [pid 5980] perf_event_open( [pid 5983] <... setpgid resumed>) = 0 [pid 5982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5981] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5873] <... restart_syscall resumed>) = 0 [pid 5980] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5982] <... openat resumed>) = 3 [pid 5981] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5980] exit_group(0) = ? ./strace-static-x86_64: Process 5984 attached [pid 5983] <... openat resumed>) = 3 [pid 5981] <... bpf resumed>) = 4 [pid 5982] write(3, "1000", 4 [pid 5984] set_robust_list(0x555559802660, 24 [pid 5983] write(3, "1000", 4 [pid 5982] <... write resumed>) = 4 [pid 5981] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 5984 [pid 5984] <... set_robust_list resumed>) = 0 [pid 5983] <... write resumed>) = 4 [pid 5982] close(3 [pid 5980] +++ exited with 0 +++ executing program [pid 5984] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5983] close(3 [pid 5982] <... close resumed>) = 0 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5980, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5982] write(1, "executing program\n", 18 [pid 5874] restart_syscall(<... resuming interrupted clone ...> [pid 5982] <... write resumed>) = 18 [pid 5983] <... close resumed>) = 0 [pid 5984] <... prctl resumed>) = 0 executing program [pid 5984] setpgid(0, 0 [pid 5983] write(1, "executing program\n", 18 [pid 5982] perf_event_open( [pid 5984] <... setpgid resumed>) = 0 [pid 5983] <... write resumed>) = 18 [pid 5984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5983] perf_event_open( [pid 5981] <... bpf resumed>) = 5 [pid 5982] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5981] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5984] <... openat resumed>) = 3 [pid 5983] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5982] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5984] write(3, "1000", 4 [pid 5983] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5981] <... bpf resumed>) = 6 [pid 5984] <... write resumed>) = 4 [pid 5984] close(3 [pid 5982] <... bpf resumed>) = 4 [pid 5984] <... close resumed>) = 0 [pid 5982] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148executing program [pid 5984] write(1, "executing program\n", 18 [pid 5983] <... bpf resumed>) = 4 [pid 5981] perf_event_open( [pid 5874] <... restart_syscall resumed>) = 0 [pid 5984] <... write resumed>) = 18 [pid 5984] perf_event_open( [pid 5983] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5981] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5982] <... bpf resumed>) = 5 [pid 5982] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5984] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5983] <... bpf resumed>) = 5 [pid 5982] <... bpf resumed>) = 6 [pid 5981] exit_group(0 [pid 5984] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5983] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5981] <... exit_group resumed>) = ? [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5984] <... bpf resumed>) = 4 [pid 5983] <... bpf resumed>) = 6 [pid 5982] perf_event_open( [pid 5984] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5983] perf_event_open( [pid 5982] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 ./strace-static-x86_64: Process 5985 attached [pid 5985] set_robust_list(0x555559802660, 24 [pid 5983] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5982] exit_group(0 [pid 5981] +++ exited with 0 +++ [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 5985 [pid 5985] <... set_robust_list resumed>) = 0 [pid 5984] <... bpf resumed>) = 5 [pid 5984] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5985] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5984] <... bpf resumed>) = 6 [pid 5985] <... prctl resumed>) = 0 [pid 5984] perf_event_open( [pid 5983] exit_group(0 [pid 5982] <... exit_group resumed>) = ? [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5981, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5985] setpgid(0, 0 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 5984] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5983] <... exit_group resumed>) = ? [pid 5985] <... setpgid resumed>) = 0 [pid 5982] +++ exited with 0 +++ [pid 5871] <... restart_syscall resumed>) = 0 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5982, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5985] <... openat resumed>) = 3 [pid 5984] exit_group(0 [pid 5983] +++ exited with 0 +++ ./strace-static-x86_64: Process 5986 attached [pid 5985] write(3, "1000", 4 [pid 5984] <... exit_group resumed>) = ? [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5983, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5986] set_robust_list(0x555559802660, 24 [pid 5985] <... write resumed>) = 4 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 5986 [pid 5986] <... set_robust_list resumed>) = 0 [pid 5985] close(3 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5986] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5985] <... close resumed>) = 0 [pid 5986] <... prctl resumed>) = 0 [pid 5985] write(1, "executing program\n", 18executing program [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5987 attached ./strace-static-x86_64: Process 5988 attached [pid 5986] setpgid(0, 0 [pid 5985] <... write resumed>) = 18 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 5987 [pid 5988] set_robust_list(0x555559802660, 24 [pid 5987] set_robust_list(0x555559802660, 24 [pid 5986] <... setpgid resumed>) = 0 [pid 5985] perf_event_open( [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 5988 [pid 5988] <... set_robust_list resumed>) = 0 [pid 5987] <... set_robust_list resumed>) = 0 [pid 5986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5988] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5987] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5988] <... prctl resumed>) = 0 [pid 5987] <... prctl resumed>) = 0 [pid 5986] <... openat resumed>) = 3 [pid 5988] setpgid(0, 0) = 0 [pid 5987] setpgid(0, 0 [pid 5988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5986] write(3, "1000", 4 [pid 5987] <... setpgid resumed>) = 0 [pid 5986] <... write resumed>) = 4 [pid 5987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5988] <... openat resumed>) = 3 [pid 5986] close(3 [pid 5985] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5984] +++ exited with 0 +++ [pid 5988] write(3, "1000", 4 [pid 5987] <... openat resumed>) = 3 [pid 5986] <... close resumed>) = 0 executing program [pid 5988] <... write resumed>) = 4 [pid 5986] write(1, "executing program\n", 18 [pid 5985] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5988] close(3 [pid 5987] write(3, "1000", 4 [pid 5986] <... write resumed>) = 18 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5984, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5988] <... close resumed>) = 0 [pid 5987] <... write resumed>) = 4 [pid 5985] <... bpf resumed>) = 4 executing program [pid 5988] write(1, "executing program\n", 18 [pid 5987] close(3 [pid 5986] perf_event_open( [pid 5985] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5988] <... write resumed>) = 18 [pid 5987] <... close resumed>) = 0 [pid 5986] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5988] perf_event_open(executing program {type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5985] <... bpf resumed>) = 5 [pid 5987] write(1, "executing program\n", 18 [pid 5986] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5987] <... write resumed>) = 18 [pid 5985] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5988] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 4 [pid 5988] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 5989 attached [pid 5987] perf_event_open( [pid 5986] <... bpf resumed>) = 4 [pid 5985] <... bpf resumed>) = 6 [pid 5989] set_robust_list(0x555559802660, 24 [pid 5988] <... bpf resumed>) = 5 [pid 5987] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5986] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 5989 [pid 5989] <... set_robust_list resumed>) = 0 [pid 5989] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5988] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5985] perf_event_open( [pid 5989] <... prctl resumed>) = 0 [pid 5988] <... bpf resumed>) = 6 [pid 5989] setpgid(0, 0 [pid 5988] perf_event_open( [pid 5987] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5989] <... setpgid resumed>) = 0 [pid 5988] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5985] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5987] <... bpf resumed>) = 4 [pid 5988] exit_group(0 [pid 5987] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5985] exit_group(0 [pid 5989] <... openat resumed>) = 3 [pid 5988] <... exit_group resumed>) = ? [pid 5989] write(3, "1000", 4 [pid 5988] +++ exited with 0 +++ [pid 5987] <... bpf resumed>) = 5 [pid 5986] <... bpf resumed>) = 5 [pid 5989] <... write resumed>) = 4 [pid 5989] close(3 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5988, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5989] <... close resumed>) = 0 [pid 5870] restart_syscall(<... resuming interrupted clone ...> executing program [pid 5989] write(1, "executing program\n", 18) = 18 [pid 5989] perf_event_open( [pid 5987] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5986] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5985] <... exit_group resumed>) = ? [pid 5870] <... restart_syscall resumed>) = 0 [pid 5987] <... bpf resumed>) = 6 [pid 5986] <... bpf resumed>) = 6 [pid 5989] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5989] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 4 [pid 5987] perf_event_open( [pid 5986] perf_event_open( [pid 5985] +++ exited with 0 +++ [pid 5989] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5987] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5986] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5985, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5987] exit_group(0 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5989] <... bpf resumed>) = 5 [pid 5987] <... exit_group resumed>) = ? [pid 5986] exit_group(0./strace-static-x86_64: Process 5990 attached [pid 5989] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5986] <... exit_group resumed>) = ? [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 5990 [pid 5990] set_robust_list(0x555559802660, 24 [pid 5989] <... bpf resumed>) = 6 [pid 5989] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5987] +++ exited with 0 +++ [pid 5989] exit_group(0 [pid 5990] <... set_robust_list resumed>) = 0 [pid 5990] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5989] <... exit_group resumed>) = ? [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5987, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5990] <... prctl resumed>) = 0 [pid 5986] +++ exited with 0 +++ [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 5990] setpgid(0, 0 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5986, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5990] <... setpgid resumed>) = 0 [pid 5868] <... restart_syscall resumed>) = 0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5990] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5992 attached ./strace-static-x86_64: Process 5991 attached ./strace-static-x86_64: Process 5993 attached [pid 5990] write(3, "1000", 4 [pid 5993] set_robust_list(0x555559802660, 24 [pid 5991] set_robust_list(0x555559802660, 24 [pid 5990] <... write resumed>) = 4 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 5991 [pid 5993] <... set_robust_list resumed>) = 0 [pid 5991] <... set_robust_list resumed>) = 0 [pid 5990] close(3 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 5992 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 5993 [pid 5993] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5992] set_robust_list(0x555559802660, 24 [pid 5991] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5990] <... close resumed>) = 0 [pid 5992] <... set_robust_list resumed>) = 0 [pid 5993] <... prctl resumed>) = 0 [pid 5991] <... prctl resumed>) = 0 [pid 5990] write(1, "executing program\n", 18executing program [pid 5993] setpgid(0, 0 [pid 5992] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5991] setpgid(0, 0 [pid 5993] <... setpgid resumed>) = 0 [pid 5992] <... prctl resumed>) = 0 [pid 5991] <... setpgid resumed>) = 0 [pid 5990] <... write resumed>) = 18 [pid 5992] setpgid(0, 0 [pid 5993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5992] <... setpgid resumed>) = 0 [pid 5991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5990] perf_event_open( [pid 5992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5991] <... openat resumed>) = 3 [pid 5993] <... openat resumed>) = 3 [pid 5991] write(3, "1000", 4 [pid 5993] write(3, "1000", 4 [pid 5991] <... write resumed>) = 4 [pid 5993] <... write resumed>) = 4 [pid 5992] <... openat resumed>) = 3 [pid 5991] close(3 [pid 5993] close(3 [pid 5992] write(3, "1000", 4 [pid 5991] <... close resumed>) = 0 executing program executing program [pid 5993] <... close resumed>) = 0 [pid 5992] <... write resumed>) = 4 [pid 5993] write(1, "executing program\n", 18 [pid 5992] close(3 [pid 5991] write(1, "executing program\n", 18 [pid 5993] <... write resumed>) = 18 [pid 5992] <... close resumed>) = 0 [pid 5991] <... write resumed>) = 18 [pid 5993] perf_event_open( [pid 5991] perf_event_open(executing program [pid 5992] write(1, "executing program\n", 18) = 18 [pid 5992] perf_event_open( [pid 5993] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5992] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5991] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5990] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5989] +++ exited with 0 +++ [pid 5991] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5990] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5993] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5992] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5991] <... bpf resumed>) = 4 [pid 5990] <... bpf resumed>) = 4 [pid 5993] <... bpf resumed>) = 4 [pid 5990] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5989, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5993] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5992] <... bpf resumed>) = 4 [pid 5991] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 5990] <... bpf resumed>) = 5 [pid 5990] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5993] <... bpf resumed>) = 5 [pid 5992] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5991] <... bpf resumed>) = 5 [pid 5873] <... restart_syscall resumed>) = 0 [pid 5993] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5991] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5990] <... bpf resumed>) = 6 [pid 5993] <... bpf resumed>) = 6 [pid 5991] <... bpf resumed>) = 6 [pid 5990] perf_event_open( [pid 5991] perf_event_open( [pid 5990] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5994 attached [pid 5993] perf_event_open( [pid 5991] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5994] set_robust_list(0x555559802660, 24 [pid 5993] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5992] <... bpf resumed>) = 5 [pid 5990] exit_group(0 [pid 5994] <... set_robust_list resumed>) = 0 [pid 5993] exit_group(0 [pid 5992] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5990] <... exit_group resumed>) = ? [pid 5994] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5993] <... exit_group resumed>) = ? [pid 5991] exit_group(0 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 5994 [pid 5994] <... prctl resumed>) = 0 [pid 5992] <... bpf resumed>) = 6 [pid 5994] setpgid(0, 0 [pid 5991] <... exit_group resumed>) = ? [pid 5994] <... setpgid resumed>) = 0 [pid 5994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5992] perf_event_open( [pid 5993] +++ exited with 0 +++ [pid 5992] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5994] <... openat resumed>) = 3 [pid 5991] +++ exited with 0 +++ [pid 5990] +++ exited with 0 +++ [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5991, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5994] write(3, "1000", 4) = 4 [pid 5992] exit_group(0 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5990, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5993, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5994] close(3 [pid 5992] <... exit_group resumed>) = ? [pid 5870] restart_syscall(<... resuming interrupted clone ...> [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 5994] <... close resumed>) = 0 [pid 5994] write(1, "executing program\n", 18executing program ) = 18 [pid 5994] perf_event_open( [pid 5870] <... restart_syscall resumed>) = 0 [pid 5868] <... restart_syscall resumed>) = 0 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5996 attached ./strace-static-x86_64: Process 5995 attached ./strace-static-x86_64: Process 5997 attached [pid 5996] set_robust_list(0x555559802660, 24 [pid 5995] set_robust_list(0x555559802660, 24 [pid 5994] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5992] +++ exited with 0 +++ [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 5996 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 5995 [pid 5994] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5992, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 5997 [pid 5996] <... set_robust_list resumed>) = 0 [pid 5995] <... set_robust_list resumed>) = 0 [pid 5994] <... bpf resumed>) = 4 [pid 5994] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5997] set_robust_list(0x555559802660, 24 [pid 5996] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5995] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5994] <... bpf resumed>) = 5 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5997] <... set_robust_list resumed>) = 0 [pid 5996] <... prctl resumed>) = 0 [pid 5995] <... prctl resumed>) = 0 [pid 5997] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5996] setpgid(0, 0 [pid 5995] setpgid(0, 0 [pid 5994] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24./strace-static-x86_64: Process 5998 attached [pid 5997] <... prctl resumed>) = 0 [pid 5996] <... setpgid resumed>) = 0 [pid 5995] <... setpgid resumed>) = 0 [pid 5998] set_robust_list(0x555559802660, 24 [pid 5997] setpgid(0, 0 [pid 5996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5994] <... bpf resumed>) = 6 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 5998 [pid 5998] <... set_robust_list resumed>) = 0 [pid 5997] <... setpgid resumed>) = 0 [pid 5996] <... openat resumed>) = 3 [pid 5998] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5995] <... openat resumed>) = 3 [pid 5994] perf_event_open( [pid 5998] <... prctl resumed>) = 0 [pid 5997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5996] write(3, "1000", 4 [pid 5995] write(3, "1000", 4 [pid 5994] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5998] setpgid(0, 0 [pid 5997] write(3, "1000", 4 [pid 5996] <... write resumed>) = 4 [pid 5995] <... write resumed>) = 4 [pid 5998] <... setpgid resumed>) = 0 [pid 5997] <... write resumed>) = 4 executing program [pid 5996] close(3 [pid 5998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5995] close(3 [pid 5996] <... close resumed>) = 0 [pid 5996] write(1, "executing program\n", 18 [pid 5995] <... close resumed>) = 0 [pid 5996] <... write resumed>) = 18 [pid 5995] write(1, "executing program\n", 18executing program [pid 5997] close(3 [pid 5996] perf_event_open( [pid 5995] <... write resumed>) = 18 [pid 5994] exit_group(0 [pid 5998] <... openat resumed>) = 3 [pid 5997] <... close resumed>) = 0 [pid 5995] perf_event_open(executing program [pid 5998] write(3, "1000", 4 [pid 5997] write(1, "executing program\n", 18 [pid 5995] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5994] <... exit_group resumed>) = ? [pid 5998] <... write resumed>) = 4 [pid 5997] <... write resumed>) = 18 [pid 5996] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5998] close(3 [pid 5997] perf_event_open( [pid 5996] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5995] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5994] +++ exited with 0 +++ [pid 5998] <... close resumed>) = 0 [pid 5997] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5996] <... bpf resumed>) = 4 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5994, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 5995] <... bpf resumed>) = 4 [pid 5995] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148executing program [pid 5998] write(1, "executing program\n", 18 [pid 5997] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5996] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5873] <... restart_syscall resumed>) = 0 [pid 5998] <... write resumed>) = 18 [pid 5998] perf_event_open( [pid 5997] <... bpf resumed>) = 4 [pid 5995] <... bpf resumed>) = 5 [pid 5998] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5997] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5995] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5998] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5997] <... bpf resumed>) = 5 [pid 5996] <... bpf resumed>) = 5 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5995] <... bpf resumed>) = 6 [pid 5998] <... bpf resumed>) = 4 [pid 5998] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5995] perf_event_open( [pid 5998] <... bpf resumed>) = 5 [pid 5997] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5996] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5995] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5998] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24./strace-static-x86_64: Process 5999 attached [pid 5997] <... bpf resumed>) = 6 [pid 5996] <... bpf resumed>) = 6 [pid 5995] exit_group(0 [pid 5999] set_robust_list(0x555559802660, 24 [pid 5998] <... bpf resumed>) = 6 [pid 5997] perf_event_open( [pid 5996] perf_event_open( [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 5999 [pid 5999] <... set_robust_list resumed>) = 0 [pid 5998] perf_event_open( [pid 5997] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5995] <... exit_group resumed>) = ? [pid 5996] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5999] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5998] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5997] exit_group(0 [pid 5996] exit_group(0 [pid 5999] <... prctl resumed>) = 0 [pid 5999] setpgid(0, 0 [pid 5997] <... exit_group resumed>) = ? [pid 5999] <... setpgid resumed>) = 0 [pid 5998] exit_group(0 [pid 5995] +++ exited with 0 +++ [pid 5996] <... exit_group resumed>) = ? [pid 5999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5998] <... exit_group resumed>) = ? [pid 5997] +++ exited with 0 +++ [pid 5999] <... openat resumed>) = 3 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5995, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5997, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5999] write(3, "1000", 4 [pid 5870] restart_syscall(<... resuming interrupted clone ...> [pid 5999] <... write resumed>) = 4 [pid 5999] close(3 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5999] <... close resumed>) = 0 [pid 5996] +++ exited with 0 +++ [pid 5870] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6000 attached executing program [pid 5999] write(1, "executing program\n", 18 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5996, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5999] <... write resumed>) = 18 [pid 5999] perf_event_open( [pid 6000] set_robust_list(0x555559802660, 24 [pid 5999] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5999] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80./strace-static-x86_64: Process 6001 attached [pid 6000] <... set_robust_list resumed>) = 0 [pid 5998] +++ exited with 0 +++ [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6000 [pid 6001] set_robust_list(0x555559802660, 24 [pid 6000] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5999] <... bpf resumed>) = 4 [pid 6000] <... prctl resumed>) = 0 [pid 5999] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6001 [pid 6000] setpgid(0, 0 [pid 5999] <... bpf resumed>) = 5 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6000] <... setpgid resumed>) = 0 [pid 6000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6000] write(3, "1000", 4 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5998, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6000] <... write resumed>) = 4 [pid 6000] close(3./strace-static-x86_64: Process 6003 attached executing program ) = 0 [pid 6000] write(1, "executing program\n", 18) = 18 [pid 6001] <... set_robust_list resumed>) = 0 [pid 6000] perf_event_open( [pid 6003] set_robust_list(0x555559802660, 24 [pid 6001] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6000] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5999] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6003] <... set_robust_list resumed>) = 0 [pid 6001] <... prctl resumed>) = 0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5999] <... bpf resumed>) = 6 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6003 ./strace-static-x86_64: Process 6004 attached [pid 6000] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6004] set_robust_list(0x555559802660, 24 [pid 6003] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6001] setpgid(0, 0 [pid 6000] <... bpf resumed>) = 4 [pid 5999] perf_event_open( [pid 6004] <... set_robust_list resumed>) = 0 [pid 6003] <... prctl resumed>) = 0 [pid 6001] <... setpgid resumed>) = 0 [pid 6000] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5999] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6004 [pid 6004] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6003] setpgid(0, 0 [pid 6001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6003] <... setpgid resumed>) = 0 [pid 6001] <... openat resumed>) = 3 [pid 5999] exit_group(0 [pid 6003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6000] <... bpf resumed>) = 5 [pid 6004] <... prctl resumed>) = 0 [pid 5999] <... exit_group resumed>) = ? [pid 6004] setpgid(0, 0) = 0 [pid 6004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6003] <... openat resumed>) = 3 [pid 6001] write(3, "1000", 4 [pid 6000] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6004] <... openat resumed>) = 3 [pid 6003] write(3, "1000", 4 [pid 6001] <... write resumed>) = 4 executing program [pid 6003] <... write resumed>) = 4 [pid 6001] close(3 [pid 5999] +++ exited with 0 +++ [pid 6001] <... close resumed>) = 0 [pid 6003] close(3 [pid 6001] write(1, "executing program\n", 18 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5999, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6003] <... close resumed>) = 0 executing program [pid 6001] <... write resumed>) = 18 [pid 6004] write(3, "1000", 4 [pid 6003] write(1, "executing program\n", 18 [pid 6000] <... bpf resumed>) = 6 [pid 6003] <... write resumed>) = 18 [pid 6001] perf_event_open( [pid 6000] perf_event_open( [pid 6004] <... write resumed>) = 4 [pid 6003] perf_event_open( [pid 6001] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6000] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6004] close(3 [pid 6003] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6003] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6001] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6004] <... close resumed>) = 0 [pid 6003] <... bpf resumed>) = 4 [pid 6000] exit_group(0executing program [pid 6004] write(1, "executing program\n", 18 [pid 6001] <... bpf resumed>) = 4 [pid 6004] <... write resumed>) = 18 [pid 6004] perf_event_open( [pid 6001] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6004] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6003] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6000] <... exit_group resumed>) = ? [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6004] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6003] <... bpf resumed>) = 5 [pid 6001] <... bpf resumed>) = 5 [pid 6000] +++ exited with 0 +++ ./strace-static-x86_64: Process 6005 attached [pid 6001] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6000, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6005] set_robust_list(0x555559802660, 24 [pid 6003] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6005 [pid 6005] <... set_robust_list resumed>) = 0 [pid 6005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6004] <... bpf resumed>) = 4 [pid 6003] <... bpf resumed>) = 6 [pid 6001] <... bpf resumed>) = 6 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6005] setpgid(0, 0) = 0 [pid 6004] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6003] perf_event_open( [pid 6001] perf_event_open( [pid 6005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5868] <... restart_syscall resumed>) = 0 [pid 6003] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6001] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6005] <... openat resumed>) = 3 [pid 6001] exit_group(0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6004] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 6007 attached [pid 6005] write(3, "1000", 4 [pid 6003] exit_group(0 [pid 6001] <... exit_group resumed>) = ? [pid 6007] set_robust_list(0x555559802660, 24 [pid 6004] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6007 [pid 6007] <... set_robust_list resumed>) = 0 [pid 6005] <... write resumed>) = 4 [pid 6003] <... exit_group resumed>) = ? [pid 6004] <... bpf resumed>) = 6 [pid 6007] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6007] setpgid(0, 0) = 0 [pid 6007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6001] +++ exited with 0 +++ [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6001, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5870] restart_syscall(<... resuming interrupted clone ...> [pid 6007] write(3, "1000", 4) = 4 [pid 6007] close(3) = 0 executing program [pid 6007] write(1, "executing program\n", 18) = 18 [pid 6007] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6004] perf_event_open( [pid 6005] close(3 [pid 6007] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80executing program [pid 6004] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6007] <... bpf resumed>) = 4 [pid 6005] <... close resumed>) = 0 [pid 6003] +++ exited with 0 +++ [pid 6007] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6005] write(1, "executing program\n", 18 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6003, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6005] <... write resumed>) = 18 [pid 6004] exit_group(0 [pid 5874] restart_syscall(<... resuming interrupted clone ...> [pid 6005] perf_event_open( [pid 5874] <... restart_syscall resumed>) = 0 [pid 5870] <... restart_syscall resumed>) = 0 [pid 6007] <... bpf resumed>) = 5 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6008 attached ./strace-static-x86_64: Process 6009 attached [pid 6007] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6005] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6004] <... exit_group resumed>) = ? [pid 6008] set_robust_list(0x555559802660, 24 [pid 6009] set_robust_list(0x555559802660, 24 [pid 6007] <... bpf resumed>) = 6 [pid 6005] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6008 [pid 6007] perf_event_open( [pid 6009] <... set_robust_list resumed>) = 0 [pid 6007] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6005] <... bpf resumed>) = 4 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6009 [pid 6009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6008] <... set_robust_list resumed>) = 0 [pid 6007] exit_group(0 [pid 6005] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6009] <... prctl resumed>) = 0 [pid 6008] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6004] +++ exited with 0 +++ [pid 6007] <... exit_group resumed>) = ? [pid 6008] <... prctl resumed>) = 0 [pid 6009] setpgid(0, 0 [pid 6008] setpgid(0, 0) = 0 [pid 6008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6008] write(3, "1000", 4 [pid 6007] +++ exited with 0 +++ [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6004, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6009] <... setpgid resumed>) = 0 [pid 6008] <... write resumed>) = 4 [pid 6009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6008] close(3 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6007, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6005] <... bpf resumed>) = 5 [pid 6009] <... openat resumed>) = 3 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6009] write(3, "1000", 4 [pid 6008] <... close resumed>) = 0 [pid 6005] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6009] <... write resumed>) = 4 executing program [pid 6008] write(1, "executing program\n", 18 [pid 6009] close(3) = 0 executing program [pid 6009] write(1, "executing program\n", 18 [pid 6008] <... write resumed>) = 18 [pid 6009] <... write resumed>) = 18 [pid 6005] <... bpf resumed>) = 6 [pid 5871] <... restart_syscall resumed>) = 0 [pid 5868] <... restart_syscall resumed>) = 0 [pid 6008] perf_event_open( [pid 6009] perf_event_open( [pid 6005] perf_event_open( [pid 6008] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6009] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6005] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6009] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6008] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6005] exit_group(0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6009] <... bpf resumed>) = 4 [pid 6008] <... bpf resumed>) = 4 [pid 6009] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6008] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6005] <... exit_group resumed>) = ? [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6010 attached [pid 6010] set_robust_list(0x555559802660, 24./strace-static-x86_64: Process 6011 attached [pid 6009] <... bpf resumed>) = 5 [pid 6008] <... bpf resumed>) = 5 [pid 6005] +++ exited with 0 +++ [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6010 [pid 6011] set_robust_list(0x555559802660, 24 [pid 6009] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6005, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6011] <... set_robust_list resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6011 [pid 6011] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6010] <... set_robust_list resumed>) = 0 [pid 6008] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6011] setpgid(0, 0 [pid 6010] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6009] <... bpf resumed>) = 6 [pid 6008] <... bpf resumed>) = 6 [pid 6011] <... setpgid resumed>) = 0 [pid 6010] <... prctl resumed>) = 0 [pid 6008] perf_event_open( [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6010] setpgid(0, 0 [pid 6009] perf_event_open( [pid 6008] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 ./strace-static-x86_64: Process 6012 attached [pid 6011] <... openat resumed>) = 3 [pid 6010] <... setpgid resumed>) = 0 [pid 6009] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6012] set_robust_list(0x555559802660, 24 [pid 6011] write(3, "1000", 4 [pid 6008] exit_group(0 [pid 6012] <... set_robust_list resumed>) = 0 [pid 6011] <... write resumed>) = 4 [pid 6010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6012 [pid 6012] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6008] <... exit_group resumed>) = ? [pid 6011] close(3 [pid 6012] <... prctl resumed>) = 0 [pid 6011] <... close resumed>) = 0 [pid 6010] <... openat resumed>) = 3 [pid 6012] setpgid(0, 0 [pid 6011] write(1, "executing program\n", 18 [pid 6010] write(3, "1000", 4 [pid 6009] exit_group(0executing program [pid 6012] <... setpgid resumed>) = 0 [pid 6011] <... write resumed>) = 18 [pid 6012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6011] perf_event_open( [pid 6010] <... write resumed>) = 4 [pid 6008] +++ exited with 0 +++ [pid 6010] close(3 [pid 6009] <... exit_group resumed>) = ? [pid 6010] <... close resumed>) = 0 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6008, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6012] <... openat resumed>) = 3 [pid 6011] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6010] write(1, "executing program\n", 18 [pid 5874] restart_syscall(<... resuming interrupted clone ...>executing program [pid 6010] <... write resumed>) = 18 [pid 6009] +++ exited with 0 +++ [pid 5874] <... restart_syscall resumed>) = 0 [pid 6012] write(3, "1000", 4 [pid 6011] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6010] perf_event_open( [pid 6012] <... write resumed>) = 4 [pid 6011] <... bpf resumed>) = 4 [pid 6010] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6012] close(3) = 0 [pid 6011] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6010] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6009, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6012] write(1, "executing program\n", 18executing program ) = 18 ./strace-static-x86_64: Process 6013 attached [pid 6012] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6010] <... bpf resumed>) = 4 [pid 6013] set_robust_list(0x555559802660, 24) = 0 [pid 6012] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6010] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6013] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6011] <... bpf resumed>) = 5 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6013 [pid 6013] <... prctl resumed>) = 0 [pid 6012] <... bpf resumed>) = 4 [pid 6013] setpgid(0, 0 [pid 6012] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 6014 attached [pid 6013] <... setpgid resumed>) = 0 [pid 6012] <... bpf resumed>) = 5 [pid 6010] <... bpf resumed>) = 5 [pid 6013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6011] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6014] set_robust_list(0x555559802660, 24 [pid 6013] <... openat resumed>) = 3 [pid 6014] <... set_robust_list resumed>) = 0 [pid 6014] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6014] setpgid(0, 0 [pid 6013] write(3, "1000", 4 [pid 6011] <... bpf resumed>) = 6 [pid 6014] <... setpgid resumed>) = 0 [pid 6013] <... write resumed>) = 4 [pid 6012] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6013] close(3 [pid 6011] perf_event_open( [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6014 [pid 6014] <... openat resumed>) = 3 [pid 6013] <... close resumed>) = 0 [pid 6012] <... bpf resumed>) = 6 [pid 6011] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6010] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 executing program [pid 6013] write(1, "executing program\n", 18 [pid 6014] write(3, "1000", 4 [pid 6013] <... write resumed>) = 18 [pid 6012] perf_event_open( [pid 6010] <... bpf resumed>) = 6 [pid 6011] exit_group(0 [pid 6010] perf_event_open( [pid 6014] <... write resumed>) = 4 [pid 6013] perf_event_open( [pid 6012] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6012] exit_group(0 [pid 6011] <... exit_group resumed>) = ? [pid 6010] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6014] close(3 [pid 6013] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6012] <... exit_group resumed>) = ? [pid 6014] <... close resumed>) = 0 executing program [pid 6013] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6010] exit_group(0 [pid 6014] write(1, "executing program\n", 18 [pid 6012] +++ exited with 0 +++ [pid 6013] <... bpf resumed>) = 4 [pid 6014] <... write resumed>) = 18 [pid 6013] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6010] <... exit_group resumed>) = ? [pid 6014] perf_event_open( [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6012, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6014] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 6014] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6013] <... bpf resumed>) = 5 [pid 6011] +++ exited with 0 +++ [pid 6014] <... bpf resumed>) = 4 [pid 6010] +++ exited with 0 +++ [pid 5873] <... restart_syscall resumed>) = 0 [pid 6014] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6013] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6010, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6011, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6014] <... bpf resumed>) = 5 [pid 6013] <... bpf resumed>) = 6 [pid 6014] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6013] perf_event_open( [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6016 attached [pid 6014] <... bpf resumed>) = 6 [pid 6013] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 ./strace-static-x86_64: Process 6017 attached ./strace-static-x86_64: Process 6015 attached [pid 6016] set_robust_list(0x555559802660, 24 [pid 6014] perf_event_open( [pid 6013] exit_group(0 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6016 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6015 [pid 6017] set_robust_list(0x555559802660, 24 [pid 6016] <... set_robust_list resumed>) = 0 [pid 6015] set_robust_list(0x555559802660, 24 [pid 6013] <... exit_group resumed>) = ? [pid 6017] <... set_robust_list resumed>) = 0 [pid 6014] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6017] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6016] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6015] <... set_robust_list resumed>) = 0 [pid 6013] +++ exited with 0 +++ [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6017 [pid 6015] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6016] <... prctl resumed>) = 0 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6013, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6017] <... prctl resumed>) = 0 [pid 6015] <... prctl resumed>) = 0 [pid 6015] setpgid(0, 0) = 0 [pid 6016] setpgid(0, 0 [pid 6015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6017] setpgid(0, 0 [pid 6016] <... setpgid resumed>) = 0 [pid 6014] exit_group(0 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6017] <... setpgid resumed>) = 0 [pid 6016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6015] <... openat resumed>) = 3 [pid 6016] <... openat resumed>) = 3 [pid 6016] write(3, "1000", 4./strace-static-x86_64: Process 6018 attached [pid 6017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6015] write(3, "1000", 4 [pid 6014] <... exit_group resumed>) = ? [pid 6016] <... write resumed>) = 4 [pid 6018] set_robust_list(0x555559802660, 24) = 0 [pid 6018] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6017] <... openat resumed>) = 3 executing program [pid 6016] close(3 [pid 6015] <... write resumed>) = 4 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6018 [pid 6016] <... close resumed>) = 0 [pid 6016] write(1, "executing program\n", 18 [pid 6018] <... prctl resumed>) = 0 [pid 6017] write(3, "1000", 4 [pid 6016] <... write resumed>) = 18 [pid 6015] close(3 [pid 6018] setpgid(0, 0 [pid 6017] <... write resumed>) = 4 [pid 6016] perf_event_open( [pid 6015] <... close resumed>) = 0 [pid 6018] <... setpgid resumed>) = 0 [pid 6017] close(3 [pid 6015] write(1, "executing program\n", 18 [pid 6017] <... close resumed>) = 0 [pid 6018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 6017] write(1, "executing program\n", 18executing program [pid 6015] <... write resumed>) = 18 [pid 6018] <... openat resumed>) = 3 [pid 6017] <... write resumed>) = 18 [pid 6015] perf_event_open( [pid 6018] write(3, "1000", 4 [pid 6017] perf_event_open( [pid 6018] <... write resumed>) = 4 [pid 6018] close(3) = 0 [pid 6017] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6016] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6015] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6014] +++ exited with 0 +++ [pid 6017] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6014, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- executing program [pid 6018] write(1, "executing program\n", 18 [pid 6017] <... bpf resumed>) = 4 [pid 6016] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6015] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6018] <... write resumed>) = 18 [pid 6016] <... bpf resumed>) = 4 [pid 6015] <... bpf resumed>) = 4 [pid 6018] perf_event_open( [pid 6017] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6016] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6018] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6017] <... bpf resumed>) = 5 [pid 6016] <... bpf resumed>) = 5 [pid 6015] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6018] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6017] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6016] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6018] <... bpf resumed>) = 4 [pid 6015] <... bpf resumed>) = 5 [pid 6018] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6016] <... bpf resumed>) = 6 ./strace-static-x86_64: Process 6019 attached [pid 6017] <... bpf resumed>) = 6 [pid 6016] perf_event_open( [pid 6015] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6019] set_robust_list(0x555559802660, 24 [pid 6017] perf_event_open( [pid 6016] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6018] <... bpf resumed>) = 5 [pid 6017] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6015] <... bpf resumed>) = 6 [pid 6019] <... set_robust_list resumed>) = 0 [pid 6019] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6018] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6019] <... prctl resumed>) = 0 [pid 6017] exit_group(0 [pid 6016] exit_group(0 [pid 6015] perf_event_open( [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6019 [pid 6019] setpgid(0, 0) = 0 [pid 6018] <... bpf resumed>) = 6 [pid 6017] <... exit_group resumed>) = ? [pid 6015] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6018] perf_event_open( [pid 6016] <... exit_group resumed>) = ? [pid 6019] <... openat resumed>) = 3 [pid 6018] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6017] +++ exited with 0 +++ [pid 6019] write(3, "1000", 4 [pid 6018] exit_group(0 [pid 6015] exit_group(0 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6017, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6019] <... write resumed>) = 4 [pid 6018] <... exit_group resumed>) = ? [pid 6019] close(3 [pid 6015] <... exit_group resumed>) = ? [pid 6019] <... close resumed>) = 0 [pid 5873] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6020 attached executing program [pid 6019] write(1, "executing program\n", 18 [pid 6015] +++ exited with 0 +++ [pid 6019] <... write resumed>) = 18 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6015, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6019] perf_event_open( [pid 6020] set_robust_list(0x555559802660, 24 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6020] <... set_robust_list resumed>) = 0 [pid 6020] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6019] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6020] <... prctl resumed>) = 0 [pid 6019] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6016] +++ exited with 0 +++ [pid 6020] setpgid(0, 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6016, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6020] <... setpgid resumed>) = 0 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6020 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6019] <... bpf resumed>) = 4 [pid 6018] +++ exited with 0 +++ [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6018, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5874] restart_syscall(<... resuming interrupted clone ...> [pid 6019] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6020] <... openat resumed>) = 3 [pid 6020] write(3, "1000", 4) = 4 [pid 6020] close(3) = 0 executing program [pid 6020] write(1, "executing program\n", 18) = 18 [pid 6019] <... bpf resumed>) = 5 [pid 5874] <... restart_syscall resumed>) = 0 [pid 5871] <... restart_syscall resumed>) = 0 [pid 5868] <... restart_syscall resumed>) = 0 [pid 6020] perf_event_open( [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6019] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24./strace-static-x86_64: Process 6021 attached [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6021] set_robust_list(0x555559802660, 24 [pid 6020] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 ./strace-static-x86_64: Process 6022 attached [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6021 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6021] <... set_robust_list resumed>) = 0 [pid 6021] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6021] setpgid(0, 0) = 0 [pid 6021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6022 ./strace-static-x86_64: Process 6023 attached [pid 6022] set_robust_list(0x555559802660, 24 [pid 6021] <... openat resumed>) = 3 [pid 6020] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6019] <... bpf resumed>) = 6 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6023 [pid 6023] set_robust_list(0x555559802660, 24 [pid 6022] <... set_robust_list resumed>) = 0 [pid 6021] write(3, "1000", 4 [pid 6020] <... bpf resumed>) = 4 [pid 6019] perf_event_open( [pid 6020] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6023] <... set_robust_list resumed>) = 0 [pid 6022] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6021] <... write resumed>) = 4 [pid 6019] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6023] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6022] <... prctl resumed>) = 0 [pid 6021] close(3 [pid 6020] <... bpf resumed>) = 5 [pid 6019] exit_group(0 [pid 6021] <... close resumed>) = 0 [pid 6020] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24executing program [pid 6021] write(1, "executing program\n", 18 [pid 6020] <... bpf resumed>) = 6 [pid 6021] <... write resumed>) = 18 [pid 6021] perf_event_open( [pid 6023] <... prctl resumed>) = 0 [pid 6022] setpgid(0, 0 [pid 6020] perf_event_open( [pid 6019] <... exit_group resumed>) = ? [pid 6021] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6023] setpgid(0, 0 [pid 6022] <... setpgid resumed>) = 0 [pid 6022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6020] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6023] <... setpgid resumed>) = 0 [pid 6021] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6022] <... openat resumed>) = 3 [pid 6021] <... bpf resumed>) = 4 [pid 6020] exit_group(0 [pid 6023] write(3, "1000", 4 [pid 6022] write(3, "1000", 4 [pid 6021] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6020] <... exit_group resumed>) = ? [pid 6019] +++ exited with 0 +++ [pid 6023] <... write resumed>) = 4 [pid 6022] <... write resumed>) = 4 [pid 6023] close(3 [pid 6021] <... bpf resumed>) = 5 [pid 6023] <... close resumed>) = 0 [pid 6021] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6023] write(1, "executing program\n", 18 [pid 6022] close(3 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6019, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 6023] <... write resumed>) = 18 [pid 6022] <... close resumed>) = 0 [pid 6021] <... bpf resumed>) = 6 [pid 5870] restart_syscall(<... resuming interrupted clone ...> [pid 6023] perf_event_open( [pid 6022] write(1, "executing program\n", 18executing program ) = 18 [pid 6023] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6022] perf_event_open( [pid 6021] perf_event_open( [pid 6020] +++ exited with 0 +++ [pid 5870] <... restart_syscall resumed>) = 0 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6020, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6022] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6021] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 6023] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6022] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 4 [pid 6022] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6023] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 6024 attached [pid 6023] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6021] exit_group(0 [pid 5873] <... restart_syscall resumed>) = 0 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6024 [pid 6024] set_robust_list(0x555559802660, 24 [pid 6022] <... bpf resumed>) = 5 [pid 6021] <... exit_group resumed>) = ? [pid 6024] <... set_robust_list resumed>) = 0 [pid 6023] <... bpf resumed>) = 5 [pid 6022] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6024] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6022] <... bpf resumed>) = 6 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6024] setpgid(0, 0 [pid 6023] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6024] <... setpgid resumed>) = 0 [pid 6024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6023] <... bpf resumed>) = 6 [pid 6022] perf_event_open( [pid 6023] perf_event_open(./strace-static-x86_64: Process 6025 attached [pid 6024] write(3, "1000", 4 [pid 6022] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6021] +++ exited with 0 +++ [pid 6025] set_robust_list(0x555559802660, 24 [pid 6023] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6021, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6025] <... set_robust_list resumed>) = 0 [pid 6025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6026 attached [pid 6025] setpgid(0, 0 [pid 6024] <... write resumed>) = 4 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6025 [pid 6022] exit_group(0 [pid 6025] <... setpgid resumed>) = 0 [pid 6025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6026] set_robust_list(0x555559802660, 24 [pid 6025] <... openat resumed>) = 3 [pid 6024] close(3 [pid 6023] exit_group(0 [pid 6022] <... exit_group resumed>) = ? [pid 6026] <... set_robust_list resumed>) = 0 [pid 6024] <... close resumed>) = 0 [pid 6026] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6025] write(3, "1000", 4 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6026 [pid 6026] <... prctl resumed>) = 0 [pid 6025] <... write resumed>) = 4 [pid 6026] setpgid(0, 0 [pid 6025] close(3 [pid 6026] <... setpgid resumed>) = 0 [pid 6025] <... close resumed>) = 0 [pid 6026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6025] write(1, "executing program\n", 18 [pid 6024] write(1, "executing program\n", 18 [pid 6023] <... exit_group resumed>) = ? [pid 6022] +++ exited with 0 +++ executing program [pid 6025] <... write resumed>) = 18 [pid 6026] <... openat resumed>) = 3 [pid 6025] perf_event_open(executing program {type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6024] <... write resumed>) = 18 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6022, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6024] perf_event_open( [pid 5874] restart_syscall(<... resuming interrupted clone ...> [pid 6026] write(3, "1000", 4 [pid 6025] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6026] <... write resumed>) = 4 [pid 6024] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6023] +++ exited with 0 +++ [pid 6026] close(3 [pid 6025] <... bpf resumed>) = 4 [pid 6024] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6026] <... close resumed>) = 0 [pid 6025] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 executing program [pid 6024] <... bpf resumed>) = 4 [pid 5874] <... restart_syscall resumed>) = 0 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6023, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6026] write(1, "executing program\n", 18 [pid 6025] <... bpf resumed>) = 5 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6026] <... write resumed>) = 18 [pid 6024] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6026] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6025] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] <... restart_syscall resumed>) = 0 [pid 6026] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6024] <... bpf resumed>) = 5 [pid 6026] <... bpf resumed>) = 4 [pid 6026] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6028 attached ./strace-static-x86_64: Process 6027 attached [pid 6026] <... bpf resumed>) = 5 [pid 6025] <... bpf resumed>) = 6 [pid 6024] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6027 [pid 6028] set_robust_list(0x555559802660, 24 [pid 6027] set_robust_list(0x555559802660, 24 [pid 6025] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6028 [pid 6025] exit_group(0) = ? [pid 6028] <... set_robust_list resumed>) = 0 [pid 6027] <... set_robust_list resumed>) = 0 [pid 6026] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6024] <... bpf resumed>) = 6 [pid 6024] perf_event_open( [pid 6028] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6027] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6024] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6028] <... prctl resumed>) = 0 [pid 6027] <... prctl resumed>) = 0 [pid 6024] exit_group(0 [pid 6028] setpgid(0, 0 [pid 6027] setpgid(0, 0 [pid 6028] <... setpgid resumed>) = 0 [pid 6027] <... setpgid resumed>) = 0 [pid 6028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6028] <... openat resumed>) = 3 [pid 6028] write(3, "1000", 4) = 4 [pid 6028] close(3) = 0 [pid 6027] <... openat resumed>) = 3 [pid 6026] <... bpf resumed>) = 6 executing program [pid 6028] write(1, "executing program\n", 18 [pid 6026] perf_event_open( [pid 6025] +++ exited with 0 +++ [pid 6028] <... write resumed>) = 18 [pid 6026] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6025, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6028] perf_event_open( [pid 6027] write(3, "1000", 4 [pid 6026] exit_group(0 [pid 6024] <... exit_group resumed>) = ? [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 6028] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6026] <... exit_group resumed>) = ? [pid 6028] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6027] <... write resumed>) = 4 [pid 6024] +++ exited with 0 +++ [pid 5873] <... restart_syscall resumed>) = 0 [pid 6028] <... bpf resumed>) = 4 [pid 6027] close(3 [pid 6026] +++ exited with 0 +++ [pid 6028] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6027] <... close resumed>) = 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6026, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6024, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6028] <... bpf resumed>) = 5 [pid 6027] write(1, "executing program\n", 18 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 6029 attached [pid 6028] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6027] <... write resumed>) = 18 [pid 6029] set_robust_list(0x555559802660, 24 [pid 6028] <... bpf resumed>) = 6 [pid 6027] perf_event_open( [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6029 [pid 6029] <... set_robust_list resumed>) = 0 [pid 6028] perf_event_open( [pid 6027] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6029] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6028] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6027] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6029] <... prctl resumed>) = 0 [pid 6029] setpgid(0, 0./strace-static-x86_64: Process 6030 attached ) = 0 [pid 6027] <... bpf resumed>) = 4 [pid 6029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6028] exit_group(0 [pid 6027] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6028] <... exit_group resumed>) = ? [pid 6030] set_robust_list(0x555559802660, 24./strace-static-x86_64: Process 6031 attached ) = 0 [pid 6029] <... openat resumed>) = 3 [pid 6028] +++ exited with 0 +++ [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6031 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6028, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6031] set_robust_list(0x555559802660, 24 [pid 6030] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6029] write(3, "1000", 4 [pid 6031] <... set_robust_list resumed>) = 0 [pid 6030] <... prctl resumed>) = 0 [pid 6029] <... write resumed>) = 4 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6030 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6032 attached [pid 6031] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6030] setpgid(0, 0 [pid 6029] close(3 [pid 6027] <... bpf resumed>) = 5 executing program [pid 6031] <... prctl resumed>) = 0 [pid 6030] <... setpgid resumed>) = 0 [pid 6029] <... close resumed>) = 0 [pid 6029] write(1, "executing program\n", 18 [pid 6027] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6031] setpgid(0, 0 [pid 6029] <... write resumed>) = 18 [pid 6029] perf_event_open( [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6032 [pid 6031] <... setpgid resumed>) = 0 [pid 6032] set_robust_list(0x555559802660, 24 [pid 6030] <... openat resumed>) = 3 [pid 6027] <... bpf resumed>) = 6 [pid 6032] <... set_robust_list resumed>) = 0 [pid 6031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6030] write(3, "1000", 4 [pid 6029] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6027] perf_event_open( [pid 6032] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6030] <... write resumed>) = 4 [pid 6029] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6030] close(3 [pid 6032] <... prctl resumed>) = 0 [pid 6031] <... openat resumed>) = 3 [pid 6030] <... close resumed>) = 0 [pid 6029] <... bpf resumed>) = 4 [pid 6027] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 executing program [pid 6032] setpgid(0, 0 [pid 6031] write(3, "1000", 4 [pid 6030] write(1, "executing program\n", 18 [pid 6029] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6027] exit_group(0 [pid 6032] <... setpgid resumed>) = 0 [pid 6031] <... write resumed>) = 4 [pid 6030] <... write resumed>) = 18 [pid 6032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6031] close(3 [pid 6030] perf_event_open( [pid 6027] <... exit_group resumed>) = ? [pid 6029] <... bpf resumed>) = 5 executing program [pid 6030] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6031] <... close resumed>) = 0 [pid 6030] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6031] write(1, "executing program\n", 18 [pid 6029] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6031] <... write resumed>) = 18 [pid 6030] <... bpf resumed>) = 4 [pid 6031] perf_event_open( [pid 6030] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6029] <... bpf resumed>) = 6 [pid 6032] <... openat resumed>) = 3 [pid 6031] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6031] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6032] write(3, "1000", 4 [pid 6027] +++ exited with 0 +++ [pid 6032] <... write resumed>) = 4 [pid 6031] <... bpf resumed>) = 4 [pid 6029] perf_event_open( [pid 6030] <... bpf resumed>) = 5 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6027, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6032] close(3 [pid 6029] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5874] restart_syscall(<... resuming interrupted clone ...> [pid 6032] <... close resumed>) = 0 [pid 6031] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6032] write(1, "executing program\n", 18executing program ) = 18 [pid 6029] exit_group(0 [pid 6032] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6032] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 4 [pid 6032] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6031] <... bpf resumed>) = 5 [pid 6030] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6029] <... exit_group resumed>) = ? [pid 6030] <... bpf resumed>) = 6 [pid 5874] <... restart_syscall resumed>) = 0 [pid 6030] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6032] <... bpf resumed>) = 5 [pid 6031] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6030] exit_group(0 [pid 6029] +++ exited with 0 +++ ./strace-static-x86_64: Process 6033 attached [pid 6031] <... bpf resumed>) = 6 [pid 6030] <... exit_group resumed>) = ? [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6029, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 6033] set_robust_list(0x555559802660, 24 [pid 6032] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6033 [pid 6033] <... set_robust_list resumed>) = 0 [pid 6032] <... bpf resumed>) = 6 [pid 6031] perf_event_open( [pid 6030] +++ exited with 0 +++ [pid 5873] <... restart_syscall resumed>) = 0 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6035 attached [pid 6033] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6032] perf_event_open( [pid 6031] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6035 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6030, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6035] set_robust_list(0x555559802660, 24 [pid 6033] <... prctl resumed>) = 0 [pid 6032] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6031] exit_group(0 [pid 6033] setpgid(0, 0 [pid 6035] <... set_robust_list resumed>) = 0 [pid 6035] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6035] setpgid(0, 0) = 0 [pid 6031] <... exit_group resumed>) = ? [pid 6033] <... setpgid resumed>) = 0 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6035] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6036 attached [pid 6035] write(3, "1000", 4) = 4 executing program [pid 6035] close(3) = 0 [pid 6035] write(1, "executing program\n", 18 [pid 6036] set_robust_list(0x555559802660, 24 [pid 6035] <... write resumed>) = 18 [pid 6036] <... set_robust_list resumed>) = 0 [pid 6035] perf_event_open( [pid 6036] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6035] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6035] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6032] exit_group(0 [pid 6036] <... prctl resumed>) = 0 [pid 6035] <... bpf resumed>) = 4 [pid 6033] <... openat resumed>) = 3 [pid 6032] <... exit_group resumed>) = ? [pid 6031] +++ exited with 0 +++ [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6036 [pid 6033] write(3, "1000", 4) = 4 [pid 6036] setpgid(0, 0) = 0 [pid 6036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6035] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148) = 5 [pid 6033] close(3 [pid 6032] +++ exited with 0 +++ executing program [pid 6033] <... close resumed>) = 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6031, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6032, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6033] write(1, "executing program\n", 18 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6033] <... write resumed>) = 18 [pid 6036] <... openat resumed>) = 3 [pid 6035] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5868] <... restart_syscall resumed>) = 0 [pid 6035] <... bpf resumed>) = 6 [pid 6033] perf_event_open( [pid 6036] write(3, "1000", 4 [pid 6035] perf_event_open( [pid 6033] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6036] <... write resumed>) = 4 [pid 6035] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6033] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6038 attached executing program [pid 6036] close(3 [pid 6035] exit_group(0 [pid 6033] <... bpf resumed>) = 4 [pid 6036] <... close resumed>) = 0 [pid 6036] write(1, "executing program\n", 18 [pid 6035] <... exit_group resumed>) = ? [pid 6033] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6036] <... write resumed>) = 18 [pid 6038] set_robust_list(0x555559802660, 24 [pid 6035] +++ exited with 0 +++ [pid 6033] <... bpf resumed>) = 5 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6038 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6039 [pid 6038] <... set_robust_list resumed>) = 0 [pid 6036] perf_event_open( [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6035, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 6038] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6036] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6038] <... prctl resumed>) = 0 [pid 6036] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6038] setpgid(0, 0 [pid 6036] <... bpf resumed>) = 4 [pid 6038] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6039 attached [pid 6038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6036] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6038] <... openat resumed>) = 3 [pid 6033] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6038] write(3, "1000", 4) = 4 [pid 6038] close(3) = 0 [pid 6039] set_robust_list(0x555559802660, 24 [pid 6038] write(1, "executing program\n", 18 [pid 6036] <... bpf resumed>) = 5 [pid 6033] <... bpf resumed>) = 6 [pid 5873] <... restart_syscall resumed>) = 0 executing program [pid 6038] <... write resumed>) = 18 [pid 6038] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6033] perf_event_open( [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6040 attached [pid 6039] <... set_robust_list resumed>) = 0 [pid 6038] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6036] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6033] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6040] set_robust_list(0x555559802660, 24 [pid 6039] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6038] <... bpf resumed>) = 4 [pid 6036] <... bpf resumed>) = 6 [pid 6040] <... set_robust_list resumed>) = 0 [pid 6039] <... prctl resumed>) = 0 [pid 6036] perf_event_open( [pid 6040] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6039] setpgid(0, 0 [pid 6038] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6036] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6033] exit_group(0 [pid 6040] <... prctl resumed>) = 0 [pid 6039] <... setpgid resumed>) = 0 [pid 6038] <... bpf resumed>) = 5 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6040 [pid 6040] setpgid(0, 0 [pid 6039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6033] <... exit_group resumed>) = ? [pid 6040] <... setpgid resumed>) = 0 [pid 6039] <... openat resumed>) = 3 [pid 6036] exit_group(0 [pid 6040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6039] write(3, "1000", 4 [pid 6036] <... exit_group resumed>) = ? [pid 6040] <... openat resumed>) = 3 [pid 6038] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6039] <... write resumed>) = 4 [pid 6040] write(3, "1000", 4 [pid 6039] close(3 [pid 6040] <... write resumed>) = 4 [pid 6040] close(3 [pid 6039] <... close resumed>) = 0 executing program [pid 6040] <... close resumed>) = 0 [pid 6039] write(1, "executing program\n", 18executing program [pid 6040] write(1, "executing program\n", 18 [pid 6039] <... write resumed>) = 18 [pid 6040] <... write resumed>) = 18 [pid 6039] perf_event_open( [pid 6040] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6033] +++ exited with 0 +++ [pid 6038] <... bpf resumed>) = 6 [pid 6036] +++ exited with 0 +++ [pid 6039] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6033, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6040] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6038] perf_event_open( [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6036, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6040] <... bpf resumed>) = 4 [pid 6039] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6038] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5874] restart_syscall(<... resuming interrupted clone ...> [pid 5870] restart_syscall(<... resuming interrupted clone ...> [pid 6040] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6039] <... bpf resumed>) = 4 [pid 6038] exit_group(0 [pid 5874] <... restart_syscall resumed>) = 0 [pid 5870] <... restart_syscall resumed>) = 0 [pid 6039] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6040] <... bpf resumed>) = 5 [pid 6039] <... bpf resumed>) = 5 [pid 6038] <... exit_group resumed>) = ? [pid 6039] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6038] +++ exited with 0 +++ [pid 6039] <... bpf resumed>) = 6 [pid 6039] perf_event_open( [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6038, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6039] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6039] exit_group(0) = ? [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6040] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6039] +++ exited with 0 +++ [pid 5871] <... restart_syscall resumed>) = 0 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6039, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6041 [pid 5868] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6042 attached ./strace-static-x86_64: Process 6041 attached [pid 6040] <... bpf resumed>) = 6 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6042 ./strace-static-x86_64: Process 6043 attached [pid 6042] set_robust_list(0x555559802660, 24 [pid 6041] set_robust_list(0x555559802660, 24 [pid 6040] perf_event_open( [pid 6043] set_robust_list(0x555559802660, 24 [pid 6041] <... set_robust_list resumed>) = 0 [pid 6042] <... set_robust_list resumed>) = 0 [pid 6041] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6040] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6043] <... set_robust_list resumed>) = 0 [pid 6042] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6041] <... prctl resumed>) = 0 [pid 6040] exit_group(0 [pid 6043] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6042] <... prctl resumed>) = 0 [pid 6041] setpgid(0, 0 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6043 [pid 6042] setpgid(0, 0./strace-static-x86_64: Process 6044 attached [pid 6043] <... prctl resumed>) = 0 [pid 6042] <... setpgid resumed>) = 0 [pid 6041] <... setpgid resumed>) = 0 [pid 6040] <... exit_group resumed>) = ? [pid 6044] set_robust_list(0x555559802660, 24 [pid 6043] setpgid(0, 0 [pid 6041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6041] <... openat resumed>) = 3 [pid 6041] write(3, "1000", 4 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6044 executing program [pid 6042] <... openat resumed>) = 3 [pid 6041] <... write resumed>) = 4 [pid 6041] close(3) = 0 [pid 6041] write(1, "executing program\n", 18 [pid 6044] <... set_robust_list resumed>) = 0 [pid 6043] <... setpgid resumed>) = 0 [pid 6041] <... write resumed>) = 18 [pid 6044] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6042] write(3, "1000", 4 [pid 6041] perf_event_open( [pid 6044] <... prctl resumed>) = 0 [pid 6043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6042] <... write resumed>) = 4 [pid 6044] setpgid(0, 0 [pid 6042] close(3 [pid 6044] <... setpgid resumed>) = 0 [pid 6043] <... openat resumed>) = 3 [pid 6042] <... close resumed>) = 0 executing program [pid 6042] write(1, "executing program\n", 18) = 18 [pid 6042] perf_event_open( [pid 6044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6043] write(3, "1000", 4) = 4 [pid 6044] <... openat resumed>) = 3 [pid 6043] close(3 [pid 6044] write(3, "1000", 4 [pid 6043] <... close resumed>) = 0 [pid 6044] <... write resumed>) = 4 [pid 6043] write(1, "executing program\n", 18executing program [pid 6044] close(3 [pid 6043] <... write resumed>) = 18 [pid 6043] perf_event_open(executing program [pid 6044] <... close resumed>) = 0 [pid 6044] write(1, "executing program\n", 18) = 18 [pid 6044] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6043] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6042] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6041] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6040] +++ exited with 0 +++ [pid 6043] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6041] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6043] <... bpf resumed>) = 4 [pid 6044] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6043] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6042] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6041] <... bpf resumed>) = 4 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6040, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6044] <... bpf resumed>) = 4 [pid 6042] <... bpf resumed>) = 4 [pid 6041] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6044] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6043] <... bpf resumed>) = 5 [pid 6042] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6041] <... bpf resumed>) = 5 [pid 6044] <... bpf resumed>) = 5 [pid 6042] <... bpf resumed>) = 5 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6046 attached [pid 6041] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24) = 6 [pid 6046] set_robust_list(0x555559802660, 24 [pid 6044] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6043] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6042] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6046] <... set_robust_list resumed>) = 0 [pid 6044] <... bpf resumed>) = 6 [pid 6043] <... bpf resumed>) = 6 [pid 6042] <... bpf resumed>) = 6 [pid 6041] perf_event_open( [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6046 [pid 6046] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6042] perf_event_open( [pid 6041] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6046] <... prctl resumed>) = 0 [pid 6044] perf_event_open( [pid 6042] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6041] exit_group(0 [pid 6046] setpgid(0, 0 [pid 6044] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6043] perf_event_open( [pid 6046] <... setpgid resumed>) = 0 [pid 6044] exit_group(0 [pid 6043] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6042] exit_group(0 [pid 6041] <... exit_group resumed>) = ? [pid 6046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6043] exit_group(0 [pid 6042] <... exit_group resumed>) = ? [pid 6043] <... exit_group resumed>) = ? [pid 6044] <... exit_group resumed>) = ? [pid 6046] write(3, "1000", 4 [pid 6044] +++ exited with 0 +++ [pid 6043] +++ exited with 0 +++ [pid 6042] +++ exited with 0 +++ [pid 6046] <... write resumed>) = 4 [pid 6046] close(3 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6042, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6046] <... close resumed>) = 0 [pid 5874] restart_syscall(<... resuming interrupted clone ...> [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6044, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6043, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6046] write(1, "executing program\n", 18 [pid 5874] <... restart_syscall resumed>) = 0 [pid 5871] <... restart_syscall resumed>) = 0 [pid 5868] <... restart_syscall resumed>) = 0 executing program [pid 6046] <... write resumed>) = 18 [pid 6046] perf_event_open( [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6048 attached ./strace-static-x86_64: Process 6047 attached [pid 6046] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6041] +++ exited with 0 +++ ./strace-static-x86_64: Process 6049 attached [pid 6048] set_robust_list(0x555559802660, 24 [pid 6047] set_robust_list(0x555559802660, 24 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6047 [pid 6048] <... set_robust_list resumed>) = 0 [pid 6047] <... set_robust_list resumed>) = 0 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6041, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6049] set_robust_list(0x555559802660, 24) = 0 [pid 6048] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6047] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6046] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5870] restart_syscall(<... resuming interrupted clone ...> [pid 6049] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6048] <... prctl resumed>) = 0 [pid 6047] <... prctl resumed>) = 0 [pid 6046] <... bpf resumed>) = 4 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6048 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6049 [pid 6047] setpgid(0, 0 [pid 6049] <... prctl resumed>) = 0 [pid 6048] setpgid(0, 0 [pid 6047] <... setpgid resumed>) = 0 [pid 6046] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6049] setpgid(0, 0 [pid 6048] <... setpgid resumed>) = 0 [pid 6047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6046] <... bpf resumed>) = 5 [pid 5870] <... restart_syscall resumed>) = 0 [pid 6049] <... setpgid resumed>) = 0 [pid 6046] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6047] <... openat resumed>) = 3 [pid 6046] <... bpf resumed>) = 6 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6050 attached [pid 6049] <... openat resumed>) = 3 [pid 6048] <... openat resumed>) = 3 [pid 6047] write(3, "1000", 4 [pid 6046] perf_event_open( [pid 6050] set_robust_list(0x555559802660, 24 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6050 [pid 6050] <... set_robust_list resumed>) = 0 [pid 6050] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6049] write(3, "1000", 4 [pid 6048] write(3, "1000", 4 [pid 6047] <... write resumed>) = 4 [pid 6046] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6050] <... prctl resumed>) = 0 [pid 6049] <... write resumed>) = 4 [pid 6048] <... write resumed>) = 4 [pid 6047] close(3 [pid 6050] setpgid(0, 0 [pid 6049] close(3 [pid 6048] close(3 [pid 6046] exit_group(0 [pid 6047] <... close resumed>) = 0 [pid 6050] <... setpgid resumed>) = 0 [pid 6049] <... close resumed>) = 0 [pid 6048] <... close resumed>) = 0 executing program [pid 6047] write(1, "executing program\n", 18 [pid 6050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6048] write(1, "executing program\n", 18executing program [pid 6050] <... openat resumed>) = 3 [pid 6049] write(1, "executing program\n", 18 [pid 6048] <... write resumed>) = 18 executing program [pid 6047] <... write resumed>) = 18 [pid 6046] <... exit_group resumed>) = ? [pid 6049] <... write resumed>) = 18 [pid 6048] perf_event_open( [pid 6047] perf_event_open( [pid 6050] write(3, "1000", 4) = 4 executing program [pid 6050] close(3 [pid 6049] perf_event_open( [pid 6050] <... close resumed>) = 0 [pid 6050] write(1, "executing program\n", 18) = 18 [pid 6048] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6050] perf_event_open( [pid 6047] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6050] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6049] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6048] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6050] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6049] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6048] <... bpf resumed>) = 4 [pid 6047] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6050] <... bpf resumed>) = 4 [pid 6049] <... bpf resumed>) = 4 [pid 6048] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6046] +++ exited with 0 +++ [pid 6050] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6049] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6047] <... bpf resumed>) = 4 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6046, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6047] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 6050] <... bpf resumed>) = 5 [pid 6049] <... bpf resumed>) = 5 [pid 6048] <... bpf resumed>) = 5 [pid 5873] <... restart_syscall resumed>) = 0 [pid 6050] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6052 attached [pid 6050] <... bpf resumed>) = 6 [pid 6050] perf_event_open( [pid 6052] set_robust_list(0x555559802660, 24 [pid 6050] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6048] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6052] <... set_robust_list resumed>) = 0 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6052 [pid 6052] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6050] exit_group(0 [pid 6049] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6048] <... bpf resumed>) = 6 [pid 6052] <... prctl resumed>) = 0 [pid 6052] setpgid(0, 0 [pid 6050] <... exit_group resumed>) = ? [pid 6052] <... setpgid resumed>) = 0 [pid 6052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6050] +++ exited with 0 +++ [pid 6049] <... bpf resumed>) = 6 [pid 6048] perf_event_open( [pid 6047] <... bpf resumed>) = 5 [pid 6049] perf_event_open( [pid 6048] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6050, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6052] <... openat resumed>) = 3 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6052] write(3, "1000", 4 [pid 6049] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6048] exit_group(0 [pid 6047] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24./strace-static-x86_64: Process 6053 attached [pid 6052] <... write resumed>) = 4 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6053 [pid 6053] set_robust_list(0x555559802660, 24 [pid 6052] close(3 [pid 6053] <... set_robust_list resumed>) = 0 [pid 6047] <... bpf resumed>) = 6 [pid 6053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6049] exit_group(0 [pid 6052] <... close resumed>) = 0 [pid 6048] <... exit_group resumed>) = ? [pid 6047] perf_event_open(executing program [pid 6053] setpgid(0, 0 [pid 6052] write(1, "executing program\n", 18 [pid 6049] <... exit_group resumed>) = ? [pid 6052] <... write resumed>) = 18 [pid 6053] <... setpgid resumed>) = 0 [pid 6052] perf_event_open( [pid 6048] +++ exited with 0 +++ [pid 6047] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6047] exit_group(0 [pid 6053] <... openat resumed>) = 3 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6048, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6053] write(3, "1000", 4 [pid 6052] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6053] <... write resumed>) = 4 [pid 6052] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6047] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6054 attached [pid 6053] close(3 [pid 6052] <... bpf resumed>) = 4 [pid 6049] +++ exited with 0 +++ [pid 6054] set_robust_list(0x555559802660, 24 [pid 6053] <... close resumed>) = 0 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6049, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6054] <... set_robust_list resumed>) = 0 [pid 6053] write(1, "executing program\n", 18 [pid 6052] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148executing program [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6054 [pid 6054] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6053] <... write resumed>) = 18 [pid 6047] +++ exited with 0 +++ [pid 6054] <... prctl resumed>) = 0 [pid 6054] setpgid(0, 0 [pid 6053] perf_event_open( [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6047, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6052] <... bpf resumed>) = 5 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6054] <... setpgid resumed>) = 0 [pid 6054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 6055 attached [pid 6053] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6052] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5874] restart_syscall(<... resuming interrupted clone ...> [pid 6054] write(3, "1000", 4 [pid 5874] <... restart_syscall resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6055 [pid 6054] <... write resumed>) = 4 executing program [pid 6053] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6055] set_robust_list(0x555559802660, 24 [pid 6054] close(3 [pid 6052] <... bpf resumed>) = 6 [pid 6054] <... close resumed>) = 0 [pid 6054] write(1, "executing program\n", 18 [pid 6055] <... set_robust_list resumed>) = 0 [pid 6054] <... write resumed>) = 18 [pid 6053] <... bpf resumed>) = 4 [pid 6052] perf_event_open( [pid 6055] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6054] perf_event_open( [pid 6052] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6054] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 ./strace-static-x86_64: Process 6056 attached [pid 6055] <... prctl resumed>) = 0 [pid 6053] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6052] exit_group(0 [pid 6056] set_robust_list(0x555559802660, 24 [pid 6055] setpgid(0, 0 [pid 6054] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6056] <... set_robust_list resumed>) = 0 [pid 6055] <... setpgid resumed>) = 0 [pid 6052] <... exit_group resumed>) = ? [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6056 [pid 6056] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6054] <... bpf resumed>) = 4 [pid 6053] <... bpf resumed>) = 5 [pid 6052] +++ exited with 0 +++ [pid 6056] <... prctl resumed>) = 0 [pid 6055] <... openat resumed>) = 3 [pid 6054] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6053] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6052, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6056] setpgid(0, 0 [pid 6055] write(3, "1000", 4 [pid 6056] <... setpgid resumed>) = 0 [pid 6055] <... write resumed>) = 4 [pid 6053] <... bpf resumed>) = 6 [pid 6055] close(3 [pid 6056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6055] <... close resumed>) = 0 executing program [pid 6055] write(1, "executing program\n", 18 [pid 6053] perf_event_open( [pid 6056] <... openat resumed>) = 3 [pid 6055] <... write resumed>) = 18 [pid 6053] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6055] perf_event_open( [pid 6056] write(3, "1000", 4 [pid 6054] <... bpf resumed>) = 5 [pid 6056] <... write resumed>) = 4 [pid 6056] close(3) = 0 [pid 6056] write(1, "executing program\n", 18executing program ) = 18 [pid 6053] exit_group(0 [pid 6056] perf_event_open( [pid 6055] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6054] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6053] <... exit_group resumed>) = ? [pid 6055] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6056] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6054] <... bpf resumed>) = 6 [pid 6055] <... bpf resumed>) = 4 [pid 6054] perf_event_open( [pid 6056] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 4 [pid 6055] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6054] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6053] +++ exited with 0 +++ [pid 6056] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6055] <... bpf resumed>) = 5 [pid 6054] exit_group(0 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6053, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6056] <... bpf resumed>) = 5 [pid 6055] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6056] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24) = 6 [pid 6055] <... bpf resumed>) = 6 [pid 6056] perf_event_open( [pid 6055] perf_event_open( [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6056] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6054] <... exit_group resumed>) = ? [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6057 attached [pid 6056] exit_group(0 [pid 6055] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6058 ./strace-static-x86_64: Process 6058 attached [pid 6057] set_robust_list(0x555559802660, 24 [pid 6056] <... exit_group resumed>) = ? [pid 6055] exit_group(0 [pid 6054] +++ exited with 0 +++ [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6057 [pid 6058] set_robust_list(0x555559802660, 24 [pid 6057] <... set_robust_list resumed>) = 0 [pid 6055] <... exit_group resumed>) = ? [pid 6058] <... set_robust_list resumed>) = 0 [pid 6057] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6058] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6057] <... prctl resumed>) = 0 [pid 6058] <... prctl resumed>) = 0 [pid 6057] setpgid(0, 0 [pid 6058] setpgid(0, 0 [pid 6057] <... setpgid resumed>) = 0 [pid 6058] <... setpgid resumed>) = 0 [pid 6057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6057] <... openat resumed>) = 3 [pid 6058] <... openat resumed>) = 3 [pid 6058] write(3, "1000", 4) = 4 [pid 6058] close(3 [pid 6057] write(3, "1000", 4 [pid 6058] <... close resumed>) = 0 [pid 6057] <... write resumed>) = 4 [pid 6057] close(3 [pid 6058] write(1, "executing program\n", 18 [pid 6056] +++ exited with 0 +++ [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6054, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- executing program [pid 6058] <... write resumed>) = 18 [pid 6057] <... close resumed>) = 0 [pid 6058] perf_event_open( [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6056, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- executing program [pid 6057] write(1, "executing program\n", 18 [pid 5874] restart_syscall(<... resuming interrupted clone ...> [pid 6057] <... write resumed>) = 18 [pid 5874] <... restart_syscall resumed>) = 0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6057] perf_event_open( [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6059 attached [pid 6058] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6057] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6055] +++ exited with 0 +++ [pid 6058] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6059 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6055, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 6060 attached [pid 6059] set_robust_list(0x555559802660, 24 [pid 6057] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6060] set_robust_list(0x555559802660, 24 [pid 6059] <... set_robust_list resumed>) = 0 [pid 6058] <... bpf resumed>) = 4 [pid 6057] <... bpf resumed>) = 4 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6060 [pid 6060] <... set_robust_list resumed>) = 0 [pid 6059] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6058] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6057] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6060] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6059] <... prctl resumed>) = 0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6058] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 6061 attached [pid 6060] <... prctl resumed>) = 0 [pid 6059] setpgid(0, 0 [pid 6057] <... bpf resumed>) = 5 [pid 6060] setpgid(0, 0 [pid 6059] <... setpgid resumed>) = 0 [pid 6058] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6061] set_robust_list(0x555559802660, 24 [pid 6057] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6061 [pid 6061] <... set_robust_list resumed>) = 0 [pid 6059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6058] <... bpf resumed>) = 6 [pid 6060] <... setpgid resumed>) = 0 [pid 6061] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6057] <... bpf resumed>) = 6 [pid 6061] <... prctl resumed>) = 0 [pid 6060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6061] setpgid(0, 0 [pid 6057] perf_event_open( [pid 6061] <... setpgid resumed>) = 0 [pid 6059] <... openat resumed>) = 3 [pid 6057] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6060] <... openat resumed>) = 3 [pid 6059] write(3, "1000", 4 [pid 6058] perf_event_open( [pid 6060] write(3, "1000", 4 [pid 6059] <... write resumed>) = 4 [pid 6057] exit_group(0 [pid 6061] <... openat resumed>) = 3 [pid 6060] <... write resumed>) = 4 [pid 6058] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6057] <... exit_group resumed>) = ? [pid 6061] write(3, "1000", 4 [pid 6060] close(3 [pid 6059] close(3 [pid 6060] <... close resumed>) = 0 [pid 6059] <... close resumed>) = 0 executing program [pid 6060] write(1, "executing program\n", 18) = 18 [pid 6060] perf_event_open( [pid 6061] <... write resumed>) = 4 [pid 6059] write(1, "executing program\n", 18 [pid 6058] exit_group(0 [pid 6057] +++ exited with 0 +++ [pid 6060] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 executing program [pid 6061] close(3 [pid 6060] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6059] <... write resumed>) = 18 [pid 6061] <... close resumed>) = 0 [pid 6060] <... bpf resumed>) = 4 [pid 6059] perf_event_open( [pid 6058] <... exit_group resumed>) = ? [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6057, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6061] write(1, "executing program\n", 18) = 18 [pid 6060] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6059] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 executing program [pid 6061] perf_event_open( [pid 6059] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6058] +++ exited with 0 +++ [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6058, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5870] restart_syscall(<... resuming interrupted clone ...> [pid 6060] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 6062 attached [pid 6061] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6059] <... bpf resumed>) = 4 [pid 5870] <... restart_syscall resumed>) = 0 [pid 6062] set_robust_list(0x555559802660, 24 [pid 6060] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6059] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6062] <... set_robust_list resumed>) = 0 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6062 [pid 6062] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6061] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6062] <... prctl resumed>) = 0 [pid 6060] <... bpf resumed>) = 6 [pid 6059] <... bpf resumed>) = 5 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6062] setpgid(0, 0 [pid 6061] <... bpf resumed>) = 4 [pid 6060] perf_event_open( [pid 6059] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6061] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6060] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 ./strace-static-x86_64: Process 6063 attached [pid 6062] <... setpgid resumed>) = 0 [pid 6059] <... bpf resumed>) = 6 [pid 6063] set_robust_list(0x555559802660, 24 [pid 6062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6060] exit_group(0 [pid 6059] perf_event_open( [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6063 [pid 6063] <... set_robust_list resumed>) = 0 [pid 6062] <... openat resumed>) = 3 [pid 6061] <... bpf resumed>) = 5 [pid 6060] <... exit_group resumed>) = ? [pid 6059] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6062] write(3, "1000", 4 [pid 6061] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6059] exit_group(0 [pid 6063] setpgid(0, 0 [pid 6062] <... write resumed>) = 4 [pid 6059] <... exit_group resumed>) = ? [pid 6063] <... setpgid resumed>) = 0 [pid 6062] close(3 [pid 6061] <... bpf resumed>) = 6 [pid 6060] +++ exited with 0 +++ [pid 6063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6062] <... close resumed>) = 0 [pid 6061] perf_event_open( [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6060, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6062] write(1, "executing program\n", 18executing program [pid 6061] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6063] <... openat resumed>) = 3 [pid 6062] <... write resumed>) = 18 [pid 6059] +++ exited with 0 +++ [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6062] perf_event_open(./strace-static-x86_64: Process 6064 attached [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6059, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6063] write(3, "1000", 4 [pid 6061] exit_group(0 [pid 6062] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6064] set_robust_list(0x555559802660, 24) = 0 [pid 6064] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6063] <... write resumed>) = 4 [pid 6062] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6061] <... exit_group resumed>) = ? [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6064 [pid 5871] <... restart_syscall resumed>) = 0 [pid 6064] <... prctl resumed>) = 0 [pid 6063] close(3 [pid 6064] setpgid(0, 0executing program [pid 6063] <... close resumed>) = 0 [pid 6062] <... bpf resumed>) = 4 [pid 6064] <... setpgid resumed>) = 0 [pid 6063] write(1, "executing program\n", 18 [pid 6064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6063] <... write resumed>) = 18 [pid 6062] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6061] +++ exited with 0 +++ [pid 6063] perf_event_open( [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6064] <... openat resumed>) = 3 [pid 6063] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6061, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6064] write(3, "1000", 4 [pid 6063] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6064] <... write resumed>) = 4 [pid 6062] <... bpf resumed>) = 5 [pid 6064] close(3 [pid 6063] <... bpf resumed>) = 4 [pid 6062] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6063] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 6065 attached [pid 6065] set_robust_list(0x555559802660, 24 [pid 6064] <... close resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6065 [pid 6065] <... set_robust_list resumed>) = 0 [pid 6065] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6064] write(1, "executing program\n", 18 [pid 6063] <... bpf resumed>) = 5 executing program [pid 6062] <... bpf resumed>) = 6 [pid 5868] <... restart_syscall resumed>) = 0 [pid 6064] <... write resumed>) = 18 [pid 6063] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6062] perf_event_open( [pid 6065] <... prctl resumed>) = 0 [pid 6064] perf_event_open( [pid 6063] <... bpf resumed>) = 6 [pid 6062] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6065] setpgid(0, 0 [pid 6064] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6063] perf_event_open( [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6065] <... setpgid resumed>) = 0 [pid 6064] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6062] exit_group(0 [pid 6065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6064] <... bpf resumed>) = 4 [pid 6063] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6062] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6066 attached [pid 6065] <... openat resumed>) = 3 [pid 6064] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6063] exit_group(0 [pid 6066] set_robust_list(0x555559802660, 24 [pid 6065] write(3, "1000", 4 [pid 6066] <... set_robust_list resumed>) = 0 [pid 6065] <... write resumed>) = 4 [pid 6066] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6065] close(3 [pid 6063] <... exit_group resumed>) = ? [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6066 [pid 6065] <... close resumed>) = 0 [pid 6064] <... bpf resumed>) = 5 [pid 6062] +++ exited with 0 +++ [pid 6066] <... prctl resumed>) = 0 [pid 6065] write(1, "executing program\n", 18 [pid 6066] setpgid(0, 0) = 0 executing program [pid 6066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6062, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6065] <... write resumed>) = 18 [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 6066] <... openat resumed>) = 3 [pid 6065] perf_event_open( [pid 6064] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5873] <... restart_syscall resumed>) = 0 [pid 6066] write(3, "1000", 4) = 4 [pid 6065] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6066] close(3 [pid 6065] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6066] <... close resumed>) = 0 ./strace-static-x86_64: Process 6067 attached executing program [pid 6066] write(1, "executing program\n", 18 [pid 6065] <... bpf resumed>) = 4 [pid 6064] <... bpf resumed>) = 6 [pid 6063] +++ exited with 0 +++ [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6067 [pid 6067] set_robust_list(0x555559802660, 24 [pid 6066] <... write resumed>) = 18 [pid 6066] perf_event_open( [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6063, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6067] <... set_robust_list resumed>) = 0 [pid 6066] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6065] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6064] perf_event_open( [pid 6067] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6066] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6067] <... prctl resumed>) = 0 [pid 6066] <... bpf resumed>) = 4 [pid 6064] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6067] setpgid(0, 0 [pid 6066] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6068 attached [pid 6067] <... setpgid resumed>) = 0 [pid 6066] <... bpf resumed>) = 5 [pid 6065] <... bpf resumed>) = 5 [pid 6068] set_robust_list(0x555559802660, 24 [pid 6067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6066] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6065] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6064] exit_group(0 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6068 [pid 6068] <... set_robust_list resumed>) = 0 [pid 6068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6067] <... openat resumed>) = 3 [pid 6066] <... bpf resumed>) = 6 [pid 6065] <... bpf resumed>) = 6 [pid 6064] <... exit_group resumed>) = ? [pid 6068] <... prctl resumed>) = 0 [pid 6067] write(3, "1000", 4 [pid 6066] perf_event_open( [pid 6065] perf_event_open( [pid 6068] setpgid(0, 0 [pid 6067] <... write resumed>) = 4 [pid 6066] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6065] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6064] +++ exited with 0 +++ [pid 6067] close(3 [pid 6068] <... setpgid resumed>) = 0 [pid 6068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6067] <... close resumed>) = 0 [pid 6066] exit_group(0 [pid 6065] exit_group(0 [pid 6067] write(1, "executing program\n", 18 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6064, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6067] <... write resumed>) = 18 [pid 5874] restart_syscall(<... resuming interrupted clone ...>executing program [pid 6068] write(3, "1000", 4 [pid 6067] perf_event_open( [pid 6066] <... exit_group resumed>) = ? [pid 6065] <... exit_group resumed>) = ? [pid 5874] <... restart_syscall resumed>) = 0 [pid 6068] <... write resumed>) = 4 [pid 6067] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6068] close(3 [pid 6067] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6068] <... close resumed>) = 0 [pid 6067] <... bpf resumed>) = 4 executing program [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6068] write(1, "executing program\n", 18 [pid 6067] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 6069 attached [pid 6068] <... write resumed>) = 18 [pid 6066] +++ exited with 0 +++ [pid 6065] +++ exited with 0 +++ [pid 6069] set_robust_list(0x555559802660, 24 [pid 6068] perf_event_open( [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6065, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6069] <... set_robust_list resumed>) = 0 [pid 6068] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6067] <... bpf resumed>) = 5 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6069] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6068] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6069 [pid 6069] <... prctl resumed>) = 0 [pid 6067] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6066, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6068] <... bpf resumed>) = 4 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6069] setpgid(0, 0 [pid 6068] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6069] <... setpgid resumed>) = 0 [pid 6067] <... bpf resumed>) = 6 [pid 6069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5868] <... restart_syscall resumed>) = 0 [pid 6068] <... bpf resumed>) = 5 [pid 6068] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6067] perf_event_open( [pid 6069] <... openat resumed>) = 3 [pid 6069] write(3, "1000", 4 [pid 6068] <... bpf resumed>) = 6 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6068] perf_event_open( [pid 6067] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 ./strace-static-x86_64: Process 6070 attached [pid 6069] <... write resumed>) = 4 [pid 6068] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5871] <... restart_syscall resumed>) = 0 [pid 6069] close(3executing program [pid 6070] set_robust_list(0x555559802660, 24 [pid 6069] <... close resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6070 [pid 6070] <... set_robust_list resumed>) = 0 [pid 6069] write(1, "executing program\n", 18) = 18 [pid 6070] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6069] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6070] <... prctl resumed>) = 0 [pid 6068] exit_group(0 [pid 6067] exit_group(0 [pid 6070] setpgid(0, 0 [pid 6069] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6068] <... exit_group resumed>) = ? [pid 6067] <... exit_group resumed>) = ? [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6070] <... setpgid resumed>) = 0 [pid 6069] <... bpf resumed>) = 4 [pid 6070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 6069] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 6071 attached [pid 6070] <... openat resumed>) = 3 [pid 6069] <... bpf resumed>) = 5 [pid 6068] +++ exited with 0 +++ [pid 6070] write(3, "1000", 4) = 4 [pid 6070] close(3) = 0 [pid 6070] write(1, "executing program\n", 18) = 18 [pid 6070] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6070] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 4 [pid 6069] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6070] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6069] <... bpf resumed>) = 6 [pid 6071] set_robust_list(0x555559802660, 24 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6068, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6071] <... set_robust_list resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6071 [pid 6071] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6070] <... bpf resumed>) = 5 [pid 6071] <... prctl resumed>) = 0 [pid 6069] perf_event_open( [pid 6067] +++ exited with 0 +++ [pid 6071] setpgid(0, 0) = 0 [pid 6070] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6069] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6067, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6070] <... bpf resumed>) = 6 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6071] <... openat resumed>) = 3 [pid 6070] perf_event_open( [pid 6069] exit_group(0./strace-static-x86_64: Process 6072 attached [pid 6071] write(3, "1000", 4 [pid 6069] <... exit_group resumed>) = ? [pid 6072] set_robust_list(0x555559802660, 24 [pid 6070] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6072 [pid 6072] <... set_robust_list resumed>) = 0 [pid 6071] <... write resumed>) = 4 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 6073 attached [pid 6071] close(3 [pid 6070] exit_group(0 [pid 6069] +++ exited with 0 +++ [pid 6071] <... close resumed>) = 0 [pid 6073] set_robust_list(0x555559802660, 24 [pid 6072] setpgid(0, 0 [pid 6071] write(1, "executing program\n", 18 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6069, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6073 executing program [pid 6073] <... set_robust_list resumed>) = 0 [pid 6072] <... setpgid resumed>) = 0 [pid 6071] <... write resumed>) = 18 [pid 6070] <... exit_group resumed>) = ? [pid 6073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6071] perf_event_open( [pid 6073] <... prctl resumed>) = 0 [pid 6072] <... openat resumed>) = 3 [pid 6071] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6073] setpgid(0, 0) = 0 [pid 6073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6074 attached ) = 3 [pid 6072] write(3, "1000", 4 [pid 6071] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6070] +++ exited with 0 +++ [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6074 [pid 6073] write(3, "1000", 4 [pid 6072] <... write resumed>) = 4 [pid 6074] set_robust_list(0x555559802660, 24 [pid 6073] <... write resumed>) = 4 [pid 6072] close(3executing program [pid 6071] <... bpf resumed>) = 4 [pid 6074] <... set_robust_list resumed>) = 0 [pid 6073] close(3 [pid 6072] <... close resumed>) = 0 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6070, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6074] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6073] <... close resumed>) = 0 [pid 6072] write(1, "executing program\n", 18 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6074] <... prctl resumed>) = 0 [pid 6073] write(1, "executing program\n", 18 [pid 6072] <... write resumed>) = 18 executing program [pid 6071] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6074] setpgid(0, 0 [pid 6073] <... write resumed>) = 18 [pid 6072] perf_event_open( [pid 6073] perf_event_open( [pid 6072] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6073] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6074] <... setpgid resumed>) = 0 [pid 6072] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6071] <... bpf resumed>) = 5 [pid 5868] <... restart_syscall resumed>) = 0 [pid 6073] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6072] <... bpf resumed>) = 4 [pid 6074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6073] <... bpf resumed>) = 4 [pid 6072] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6071] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6074] <... openat resumed>) = 3 [pid 6073] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6074] write(3, "1000", 4 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6074] <... write resumed>) = 4 [pid 6073] <... bpf resumed>) = 5 [pid 6072] <... bpf resumed>) = 5 [pid 6071] <... bpf resumed>) = 6 [pid 6074] close(3 [pid 6071] perf_event_open( [pid 6073] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6071] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 ./strace-static-x86_64: Process 6075 attached [pid 6074] <... close resumed>) = 0 [pid 6073] <... bpf resumed>) = 6 [pid 6072] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6073] perf_event_open( [pid 6075] set_robust_list(0x555559802660, 24executing program [pid 6074] write(1, "executing program\n", 18 [pid 6073] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6072] <... bpf resumed>) = 6 [pid 6071] exit_group(0 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6075 [pid 6075] <... set_robust_list resumed>) = 0 [pid 6074] <... write resumed>) = 18 [pid 6073] exit_group(0 [pid 6071] <... exit_group resumed>) = ? [pid 6075] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6074] perf_event_open( [pid 6073] <... exit_group resumed>) = ? [pid 6072] perf_event_open( [pid 6071] +++ exited with 0 +++ [pid 6075] <... prctl resumed>) = 0 [pid 6074] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6075] setpgid(0, 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6071, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6072] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6075] <... setpgid resumed>) = 0 [pid 6075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6074] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6072] exit_group(0 [pid 6075] <... openat resumed>) = 3 [pid 6074] <... bpf resumed>) = 4 [pid 6074] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6075] write(3, "1000", 4 [pid 6072] <... exit_group resumed>) = ? [pid 6075] <... write resumed>) = 4 [pid 6075] close(3 [pid 6074] <... bpf resumed>) = 5 [pid 6075] <... close resumed>) = 0 [pid 6073] +++ exited with 0 +++ [pid 6072] +++ exited with 0 +++ [pid 5871] <... restart_syscall resumed>) = 0 executing program [pid 6075] write(1, "executing program\n", 18 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6073, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6072, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6075] <... write resumed>) = 18 [pid 6075] perf_event_open( [pid 6074] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6075] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6074] <... bpf resumed>) = 6 [pid 6075] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6074] perf_event_open( [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6076 attached [pid 6075] <... bpf resumed>) = 4 [pid 6074] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6076] set_robust_list(0x555559802660, 24./strace-static-x86_64: Process 6077 attached ./strace-static-x86_64: Process 6078 attached [pid 6075] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6074] exit_group(0 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6076 [pid 6078] set_robust_list(0x555559802660, 24 [pid 6077] set_robust_list(0x555559802660, 24 [pid 6076] <... set_robust_list resumed>) = 0 [pid 6074] <... exit_group resumed>) = ? [pid 6078] <... set_robust_list resumed>) = 0 [pid 6077] <... set_robust_list resumed>) = 0 [pid 6076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6075] <... bpf resumed>) = 5 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6078 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6077 [pid 6078] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6077] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6076] <... prctl resumed>) = 0 [pid 6076] setpgid(0, 0 [pid 6074] +++ exited with 0 +++ [pid 6075] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6078] <... prctl resumed>) = 0 [pid 6077] <... prctl resumed>) = 0 [pid 6078] setpgid(0, 0 [pid 6077] setpgid(0, 0 [pid 6076] <... setpgid resumed>) = 0 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6074, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6075] <... bpf resumed>) = 6 [pid 6078] <... setpgid resumed>) = 0 [pid 6077] <... setpgid resumed>) = 0 [pid 6076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6076] <... openat resumed>) = 3 [pid 6077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6078] <... openat resumed>) = 3 [pid 6075] perf_event_open( [pid 6076] write(3, "1000", 4 [pid 6078] write(3, "1000", 4 [pid 6077] <... openat resumed>) = 3 [pid 6076] <... write resumed>) = 4 [pid 6076] close(3) = 0 [pid 6075] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6079 attached [pid 6078] <... write resumed>) = 4 [pid 6077] write(3, "1000", 4 [pid 6076] write(1, "executing program\n", 18executing program [pid 6075] exit_group(0 [pid 6079] set_robust_list(0x555559802660, 24 [pid 6078] close(3 [pid 6077] <... write resumed>) = 4 [pid 6076] <... write resumed>) = 18 [pid 6079] <... set_robust_list resumed>) = 0 [pid 6078] <... close resumed>) = 0 [pid 6077] close(3 [pid 6076] perf_event_open( [pid 6075] <... exit_group resumed>) = ? executing program [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6079 [pid 6079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6078] write(1, "executing program\n", 18 [pid 6077] <... close resumed>) = 0 [pid 6076] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6079] <... prctl resumed>) = 0 [pid 6078] <... write resumed>) = 18 [pid 6076] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6079] setpgid(0, 0 [pid 6078] perf_event_open( [pid 6077] write(1, "executing program\n", 18 [pid 6075] +++ exited with 0 +++ executing program [pid 6079] <... setpgid resumed>) = 0 [pid 6077] <... write resumed>) = 18 [pid 6076] <... bpf resumed>) = 4 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6075, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6076] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6078] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6077] perf_event_open( [pid 6079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6076] <... bpf resumed>) = 5 [pid 6078] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6077] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6076] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6079] <... openat resumed>) = 3 [pid 6078] <... bpf resumed>) = 4 [pid 6077] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6078] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6079] write(3, "1000", 4 [pid 6077] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 6080 attached [pid 6079] <... write resumed>) = 4 [pid 6077] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6076] <... bpf resumed>) = 6 [pid 6079] close(3 [pid 6078] <... bpf resumed>) = 5 [pid 6080] set_robust_list(0x555559802660, 24) = 0 [pid 6080] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6076] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6080] <... prctl resumed>) = 0 [pid 6079] <... close resumed>) = 0 [pid 6078] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6077] <... bpf resumed>) = 5 executing program [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6080 [pid 6080] setpgid(0, 0 [pid 6079] write(1, "executing program\n", 18) = 18 [pid 6077] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6079] perf_event_open( [pid 6077] <... bpf resumed>) = 6 [pid 6079] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6079] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6077] perf_event_open( [pid 6076] exit_group(0 [pid 6080] <... setpgid resumed>) = 0 [pid 6079] <... bpf resumed>) = 4 [pid 6078] <... bpf resumed>) = 6 [pid 6077] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6076] <... exit_group resumed>) = ? [pid 6080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6079] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6077] exit_group(0 [pid 6080] <... openat resumed>) = 3 [pid 6078] perf_event_open( [pid 6076] +++ exited with 0 +++ [pid 6080] write(3, "1000", 4 [pid 6078] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6080] <... write resumed>) = 4 [pid 6079] <... bpf resumed>) = 5 [pid 6078] exit_group(0 [pid 6077] <... exit_group resumed>) = ? [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6076, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6080] close(3) = 0 executing program [pid 6080] write(1, "executing program\n", 18) = 18 [pid 6079] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6078] <... exit_group resumed>) = ? [pid 6077] +++ exited with 0 +++ [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 6080] perf_event_open( [pid 5873] <... restart_syscall resumed>) = 0 [pid 6079] <... bpf resumed>) = 6 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6081 attached [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6077, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6081] set_robust_list(0x555559802660, 24) = 0 [pid 6081] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6081 [pid 6081] <... prctl resumed>) = 0 [pid 6080] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6079] perf_event_open( [pid 6078] +++ exited with 0 +++ [pid 6081] setpgid(0, 0 [pid 6079] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6078, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6081] <... setpgid resumed>) = 0 [pid 6080] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6080] <... bpf resumed>) = 4 [pid 6079] exit_group(0 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6082 attached [pid 6081] <... openat resumed>) = 3 [pid 6080] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6079] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6083 attached [pid 6082] set_robust_list(0x555559802660, 24 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6082 [pid 6082] <... set_robust_list resumed>) = 0 [pid 6083] set_robust_list(0x555559802660, 24 [pid 6082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6081] write(3, "1000", 4 [pid 6080] <... bpf resumed>) = 5 [pid 6079] +++ exited with 0 +++ [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6083 [pid 6083] <... set_robust_list resumed>) = 0 [pid 6081] <... write resumed>) = 4 [pid 6080] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6082] <... prctl resumed>) = 0 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6079, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6083] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6082] setpgid(0, 0 [pid 6081] close(3 [pid 6082] <... setpgid resumed>) = 0 [pid 6083] <... prctl resumed>) = 0 [pid 6083] setpgid(0, 0 [pid 6082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6081] <... close resumed>) = 0 [pid 6080] <... bpf resumed>) = 6 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6083] <... setpgid resumed>) = 0 [pid 6082] <... openat resumed>) = 3 [pid 6081] write(1, "executing program\n", 18 [pid 6080] perf_event_open(./strace-static-x86_64: Process 6084 attached executing program [pid 6083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6082] write(3, "1000", 4 [pid 6081] <... write resumed>) = 18 [pid 6082] <... write resumed>) = 4 [pid 6080] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6084] set_robust_list(0x555559802660, 24 [pid 6081] perf_event_open( [pid 6080] exit_group(0 [pid 6084] <... set_robust_list resumed>) = 0 [pid 6082] close(3 [pid 6084] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6083] <... openat resumed>) = 3 executing program [pid 6082] <... close resumed>) = 0 [pid 6081] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6080] <... exit_group resumed>) = ? [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6084 [pid 6082] write(1, "executing program\n", 18) = 18 [pid 6081] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6084] <... prctl resumed>) = 0 [pid 6083] write(3, "1000", 4 [pid 6082] perf_event_open( [pid 6080] +++ exited with 0 +++ [pid 6084] setpgid(0, 0 [pid 6081] <... bpf resumed>) = 4 [pid 6084] <... setpgid resumed>) = 0 [pid 6084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6083] <... write resumed>) = 4 [pid 6082] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6081] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6080, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6082] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6084] <... openat resumed>) = 3 [pid 6083] close(3 [pid 6082] <... bpf resumed>) = 4 [pid 6082] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6083] <... close resumed>) = 0 [pid 6083] write(1, "executing program\n", 18executing program [pid 6084] write(3, "1000", 4 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6083] <... write resumed>) = 18 [pid 6084] <... write resumed>) = 4 ./strace-static-x86_64: Process 6085 attached [pid 6083] perf_event_open( [pid 6085] set_robust_list(0x555559802660, 24) = 0 [pid 6082] <... bpf resumed>) = 5 [pid 6085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6085] setpgid(0, 0 [pid 6084] close(3 [pid 6083] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6082] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6081] <... bpf resumed>) = 5 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6085 [pid 6084] <... close resumed>) = 0 executing program [pid 6083] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6084] write(1, "executing program\n", 18 [pid 6083] <... bpf resumed>) = 4 [pid 6084] <... write resumed>) = 18 [pid 6085] <... setpgid resumed>) = 0 [pid 6084] perf_event_open( [pid 6083] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6081] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6084] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6082] <... bpf resumed>) = 6 [pid 6081] <... bpf resumed>) = 6 [pid 6085] <... openat resumed>) = 3 [pid 6081] perf_event_open( [pid 6082] perf_event_open( [pid 6081] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6085] write(3, "1000", 4 [pid 6082] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6085] <... write resumed>) = 4 [pid 6084] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6083] <... bpf resumed>) = 5 [pid 6081] exit_group(0 [pid 6085] close(3 [pid 6084] <... bpf resumed>) = 4 executing program [pid 6083] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6085] <... close resumed>) = 0 [pid 6082] exit_group(0 [pid 6081] <... exit_group resumed>) = ? [pid 6085] write(1, "executing program\n", 18 [pid 6084] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6085] <... write resumed>) = 18 [pid 6083] <... bpf resumed>) = 6 [pid 6082] <... exit_group resumed>) = ? [pid 6081] +++ exited with 0 +++ [pid 6085] perf_event_open( [pid 6083] perf_event_open( [pid 6085] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6081, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 6085] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6084] <... bpf resumed>) = 5 [pid 6083] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5873] <... restart_syscall resumed>) = 0 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6085] <... bpf resumed>) = 4 [pid 6084] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6085] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148) = 5 [pid 6084] <... bpf resumed>) = 6 [pid 6083] exit_group(0 [pid 6082] +++ exited with 0 +++ ./strace-static-x86_64: Process 6086 attached [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6082, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5870] restart_syscall(<... resuming interrupted clone ...> [pid 6085] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6084] perf_event_open( [pid 5870] <... restart_syscall resumed>) = 0 [pid 6083] <... exit_group resumed>) = ? [pid 6086] set_robust_list(0x555559802660, 24 [pid 6085] <... bpf resumed>) = 6 [pid 6084] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6086 [pid 6085] perf_event_open( [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6086] <... set_robust_list resumed>) = 0 [pid 6084] exit_group(0./strace-static-x86_64: Process 6087 attached [pid 6085] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6084] <... exit_group resumed>) = ? [pid 6083] +++ exited with 0 +++ [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6083, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6087 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6087] set_robust_list(0x555559802660, 24 [pid 6086] <... prctl resumed>) = 0 [pid 6085] exit_group(0 [pid 6084] +++ exited with 0 +++ [pid 6085] <... exit_group resumed>) = ? [pid 6087] <... set_robust_list resumed>) = 0 [pid 6086] setpgid(0, 0 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6084, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6086] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6088 attached [pid 6086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6088] set_robust_list(0x555559802660, 24 [pid 6086] <... openat resumed>) = 3 [pid 6087] <... prctl resumed>) = 0 [pid 6087] setpgid(0, 0 [pid 6086] write(3, "1000", 4./strace-static-x86_64: Process 6089 attached [pid 6088] <... set_robust_list resumed>) = 0 [pid 6087] <... setpgid resumed>) = 0 [pid 6086] <... write resumed>) = 4 [pid 6087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6086] close(3 [pid 6087] <... openat resumed>) = 3 [pid 6086] <... close resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6088 executing program [pid 6086] write(1, "executing program\n", 18) = 18 [pid 6088] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6086] perf_event_open( [pid 6087] write(3, "1000", 4) = 4 [pid 6087] close(3) = 0 [pid 6086] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6085] +++ exited with 0 +++ [pid 6088] <... prctl resumed>) = 0 executing program [pid 6089] set_robust_list(0x555559802660, 24 [pid 6088] setpgid(0, 0 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6085, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6089] <... set_robust_list resumed>) = 0 [pid 6088] <... setpgid resumed>) = 0 [pid 6087] write(1, "executing program\n", 18 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6089 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6089] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6087] <... write resumed>) = 18 [pid 6088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6086] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6089] <... prctl resumed>) = 0 [pid 6088] <... openat resumed>) = 3 [pid 6087] perf_event_open( [pid 6086] <... bpf resumed>) = 4 [pid 6089] setpgid(0, 0 [pid 6088] write(3, "1000", 4 [pid 6087] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6089] <... setpgid resumed>) = 0 [pid 6087] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6086] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6088] <... write resumed>) = 4 [pid 6087] <... bpf resumed>) = 4 [pid 6088] close(3) = 0 [pid 6089] <... openat resumed>) = 3 [pid 6088] write(1, "executing program\n", 18 executing program [pid 6087] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6086] <... bpf resumed>) = 5 [pid 5868] <... restart_syscall resumed>) = 0 [pid 6089] write(3, "1000", 4 [pid 6088] <... write resumed>) = 18 [pid 6089] <... write resumed>) = 4 [pid 6086] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6090 attached , child_tidptr=0x555559802650) = 6090 [pid 6090] set_robust_list(0x555559802660, 24) = 0 [pid 6089] close(3 [pid 6088] perf_event_open( [pid 6087] <... bpf resumed>) = 5 [pid 6086] <... bpf resumed>) = 6 [pid 6090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6089] <... close resumed>) = 0 [pid 6086] perf_event_open( [pid 6090] <... prctl resumed>) = 0 [pid 6089] write(1, "executing program\n", 18executing program [pid 6088] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6087] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6086] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6090] setpgid(0, 0 [pid 6089] <... write resumed>) = 18 [pid 6090] <... setpgid resumed>) = 0 [pid 6088] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6087] <... bpf resumed>) = 6 [pid 6090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6088] <... bpf resumed>) = 4 [pid 6087] perf_event_open( [pid 6089] perf_event_open( [pid 6087] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6086] exit_group(0 [pid 6090] write(3, "1000", 4 [pid 6088] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6087] exit_group(0 [pid 6090] <... write resumed>) = 4 [pid 6089] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6086] <... exit_group resumed>) = ? [pid 6090] close(3 [pid 6087] <... exit_group resumed>) = ? executing program [pid 6090] <... close resumed>) = 0 [pid 6089] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 4 [pid 6089] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6090] write(1, "executing program\n", 18 [pid 6088] <... bpf resumed>) = 5 [pid 6090] <... write resumed>) = 18 [pid 6090] perf_event_open( [pid 6088] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6087] +++ exited with 0 +++ [pid 6086] +++ exited with 0 +++ [pid 6090] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6086, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6087, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6090] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6089] <... bpf resumed>) = 5 [pid 6088] <... bpf resumed>) = 6 [pid 5870] restart_syscall(<... resuming interrupted clone ...> [pid 6090] <... bpf resumed>) = 4 [pid 5870] <... restart_syscall resumed>) = 0 [pid 6090] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6089] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6088] perf_event_open( [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6089] <... bpf resumed>) = 6 [pid 6088] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6089] perf_event_open( [pid 6090] <... bpf resumed>) = 5 [pid 6089] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 ./strace-static-x86_64: Process 6091 attached [pid 6090] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6088] exit_group(0 [pid 6091] set_robust_list(0x555559802660, 24 [pid 6090] <... bpf resumed>) = 6 [pid 6088] <... exit_group resumed>) = ? [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6089] exit_group(0 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6091 [pid 6091] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6092 attached [pid 6089] <... exit_group resumed>) = ? [pid 6091] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6092] set_robust_list(0x555559802660, 24 [pid 6091] <... prctl resumed>) = 0 [pid 6090] perf_event_open( [pid 6088] +++ exited with 0 +++ [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6092 [pid 6092] <... set_robust_list resumed>) = 0 [pid 6091] setpgid(0, 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6088, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6091] <... setpgid resumed>) = 0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6090] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6092] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6093 ./strace-static-x86_64: Process 6093 attached [pid 6092] <... prctl resumed>) = 0 [pid 6091] <... openat resumed>) = 3 [pid 6090] exit_group(0 [pid 6089] +++ exited with 0 +++ [pid 6092] setpgid(0, 0) = 0 [pid 6091] write(3, "1000", 4 [pid 6090] <... exit_group resumed>) = ? [pid 6093] set_robust_list(0x555559802660, 24 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6089, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6093] <... set_robust_list resumed>) = 0 [pid 6092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6091] <... write resumed>) = 4 [pid 6093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6093] setpgid(0, 0 [pid 6092] <... openat resumed>) = 3 [pid 6091] close(3 [pid 6092] write(3, "1000", 4 [pid 6091] <... close resumed>) = 0 [pid 6093] <... setpgid resumed>) = 0 [pid 6092] <... write resumed>) = 4 [pid 6091] write(1, "executing program\n", 18executing program [pid 6093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6092] close(3 [pid 6091] <... write resumed>) = 18 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6092] <... close resumed>) = 0 [pid 6091] perf_event_open(./strace-static-x86_64: Process 6094 attached [pid 6093] <... openat resumed>) = 3 [pid 6092] write(1, "executing program\n", 18 [pid 6094] set_robust_list(0x555559802660, 24 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6094 [pid 6094] <... set_robust_list resumed>) = 0 executing program [pid 6094] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6092] <... write resumed>) = 18 [pid 6093] write(3, "1000", 4 [pid 6094] <... prctl resumed>) = 0 [pid 6093] <... write resumed>) = 4 [pid 6094] setpgid(0, 0) = 0 [pid 6093] close(3 [pid 6092] perf_event_open( [pid 6094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6093] <... close resumed>) = 0 executing program [pid 6093] write(1, "executing program\n", 18 [pid 6094] <... openat resumed>) = 3 [pid 6093] <... write resumed>) = 18 [pid 6094] write(3, "1000", 4) = 4 [pid 6094] close(3executing program ) = 0 [pid 6093] perf_event_open( [pid 6094] write(1, "executing program\n", 18) = 18 [pid 6094] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6093] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6092] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6091] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6090] +++ exited with 0 +++ [pid 6091] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6094] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6093] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6092] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6090, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6093] <... bpf resumed>) = 4 [pid 6092] <... bpf resumed>) = 4 [pid 6091] <... bpf resumed>) = 4 [pid 6094] <... bpf resumed>) = 4 [pid 6092] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6091] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6094] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6093] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6092] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 6095 attached [pid 6095] set_robust_list(0x555559802660, 24) = 0 [pid 6094] <... bpf resumed>) = 5 [pid 6093] <... bpf resumed>) = 5 [pid 6092] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6091] <... bpf resumed>) = 5 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6095 [pid 6095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6094] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6093] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6091] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6095] <... prctl resumed>) = 0 [pid 6092] <... bpf resumed>) = 6 [pid 6094] <... bpf resumed>) = 6 [pid 6095] setpgid(0, 0 [pid 6093] <... bpf resumed>) = 6 [pid 6091] <... bpf resumed>) = 6 [pid 6091] perf_event_open( [pid 6095] <... setpgid resumed>) = 0 [pid 6091] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6093] perf_event_open( [pid 6094] perf_event_open( [pid 6092] perf_event_open( [pid 6093] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6091] exit_group(0 [pid 6095] <... openat resumed>) = 3 [pid 6091] <... exit_group resumed>) = ? [pid 6094] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6092] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6094] exit_group(0 [pid 6092] exit_group(0 [pid 6091] +++ exited with 0 +++ [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6091, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 6095] write(3, "1000", 4 [pid 6094] <... exit_group resumed>) = ? [pid 6093] exit_group(0 [pid 6092] <... exit_group resumed>) = ? [pid 5873] <... restart_syscall resumed>) = 0 [pid 6093] <... exit_group resumed>) = ? [pid 6095] <... write resumed>) = 4 executing program [pid 6095] close(3) = 0 [pid 6095] write(1, "executing program\n", 18) = 18 [pid 6095] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6095] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6094] +++ exited with 0 +++ [pid 6093] +++ exited with 0 +++ [pid 6092] +++ exited with 0 +++ [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6095] <... bpf resumed>) = 4 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6092, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6095] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 6096 attached [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6094, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6093, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6096] set_robust_list(0x555559802660, 24 [pid 6095] <... bpf resumed>) = 5 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6096 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6095] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6096] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6097 attached [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6097 ./strace-static-x86_64: Process 6099 attached ./strace-static-x86_64: Process 6098 attached [pid 6097] set_robust_list(0x555559802660, 24 [pid 6096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6095] <... bpf resumed>) = 6 [pid 6099] set_robust_list(0x555559802660, 24 [pid 6097] <... set_robust_list resumed>) = 0 [pid 6096] <... prctl resumed>) = 0 [pid 6095] perf_event_open( [pid 6099] <... set_robust_list resumed>) = 0 [pid 6097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6096] setpgid(0, 0 [pid 6095] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6098] set_robust_list(0x555559802660, 24 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6098 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6099 [pid 6098] <... set_robust_list resumed>) = 0 [pid 6099] <... prctl resumed>) = 0 [pid 6098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6097] <... prctl resumed>) = 0 [pid 6096] <... setpgid resumed>) = 0 [pid 6095] exit_group(0 [pid 6098] <... prctl resumed>) = 0 [pid 6099] setpgid(0, 0 [pid 6098] setpgid(0, 0 [pid 6097] setpgid(0, 0 [pid 6096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6098] <... setpgid resumed>) = 0 [pid 6099] <... setpgid resumed>) = 0 [pid 6098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6097] <... setpgid resumed>) = 0 [pid 6095] <... exit_group resumed>) = ? [pid 6097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6098] <... openat resumed>) = 3 [pid 6096] <... openat resumed>) = 3 [pid 6098] write(3, "1000", 4 [pid 6099] <... openat resumed>) = 3 [pid 6097] <... openat resumed>) = 3 [pid 6096] write(3, "1000", 4 [pid 6099] write(3, "1000", 4 [pid 6098] <... write resumed>) = 4 [pid 6097] write(3, "1000", 4 [pid 6096] <... write resumed>) = 4 [pid 6098] close(3 [pid 6099] <... write resumed>) = 4 [pid 6097] <... write resumed>) = 4 [pid 6096] close(3 [pid 6098] <... close resumed>) = 0 [pid 6099] close(3 executing program [pid 6098] write(1, "executing program\n", 18 [pid 6097] close(3 [pid 6096] <... close resumed>) = 0 executing program [pid 6098] <... write resumed>) = 18 [pid 6097] <... close resumed>) = 0 [pid 6099] <... close resumed>) = 0 [pid 6096] write(1, "executing program\n", 18) = 18 [pid 6099] write(1, "executing program\n", 18 [pid 6098] perf_event_open( [pid 6097] write(1, "executing program\n", 18 [pid 6096] perf_event_open(executing program executing program [pid 6099] <... write resumed>) = 18 [pid 6097] <... write resumed>) = 18 [pid 6099] perf_event_open( [pid 6097] perf_event_open( [pid 6095] +++ exited with 0 +++ [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6095, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6099] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6098] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6097] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6096] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6099] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6098] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6097] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6096] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6098] <... bpf resumed>) = 4 [pid 6097] <... bpf resumed>) = 4 [pid 6096] <... bpf resumed>) = 4 [pid 5868] <... restart_syscall resumed>) = 0 [pid 6099] <... bpf resumed>) = 4 [pid 6098] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6097] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6099] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6096] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6100 attached [pid 6098] <... bpf resumed>) = 5 [pid 6100] set_robust_list(0x555559802660, 24 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6100 [pid 6100] <... set_robust_list resumed>) = 0 [pid 6100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6099] <... bpf resumed>) = 5 [pid 6098] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6097] <... bpf resumed>) = 5 [pid 6096] <... bpf resumed>) = 5 [pid 6100] setpgid(0, 0 [pid 6099] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6100] <... setpgid resumed>) = 0 [pid 6099] <... bpf resumed>) = 6 [pid 6098] <... bpf resumed>) = 6 [pid 6100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6098] perf_event_open( [pid 6096] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6100] <... openat resumed>) = 3 [pid 6099] perf_event_open( [pid 6097] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6096] <... bpf resumed>) = 6 [pid 6098] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6100] write(3, "1000", 4 [pid 6099] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6097] <... bpf resumed>) = 6 [pid 6096] perf_event_open( [pid 6100] <... write resumed>) = 4 [pid 6100] close(3executing program ) = 0 [pid 6099] exit_group(0 [pid 6097] perf_event_open( [pid 6096] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6100] write(1, "executing program\n", 18) = 18 [pid 6100] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6099] <... exit_group resumed>) = ? [pid 6098] exit_group(0 [pid 6100] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6099] +++ exited with 0 +++ [pid 6098] <... exit_group resumed>) = ? [pid 6097] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6096] exit_group(0 [pid 6100] <... bpf resumed>) = 4 [pid 6098] +++ exited with 0 +++ [pid 6097] exit_group(0 [pid 6096] <... exit_group resumed>) = ? [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6099, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6100] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6097] <... exit_group resumed>) = ? [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6098, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6096] +++ exited with 0 +++ [pid 6097] +++ exited with 0 +++ [pid 5874] restart_syscall(<... resuming interrupted clone ...> [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6096, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6097, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6100] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 6101 attached [pid 5874] <... restart_syscall resumed>) = 0 [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 5870] restart_syscall(<... resuming interrupted clone ...> [pid 6101] set_robust_list(0x555559802660, 24 [pid 6100] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5873] <... restart_syscall resumed>) = 0 [pid 5870] <... restart_syscall resumed>) = 0 [pid 6101] <... set_robust_list resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6101 [pid 6101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6100] <... bpf resumed>) = 6 [pid 6100] perf_event_open( [pid 6101] <... prctl resumed>) = 0 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6101] setpgid(0, 0 [pid 6100] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 ./strace-static-x86_64: Process 6102 attached [pid 6102] set_robust_list(0x555559802660, 24./strace-static-x86_64: Process 6103 attached ) = 0 [pid 6101] <... setpgid resumed>) = 0 [pid 6100] exit_group(0 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6103 [pid 6102] setpgid(0, 0 [pid 6101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6100] <... exit_group resumed>) = ? [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6102 [pid 6103] set_robust_list(0x555559802660, 24) = 0 [pid 6103] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 6104 attached [pid 6103] setpgid(0, 0 [pid 6102] <... setpgid resumed>) = 0 [pid 6103] <... setpgid resumed>) = 0 [pid 6101] <... openat resumed>) = 3 [pid 6104] set_robust_list(0x555559802660, 24 [pid 6103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6104] <... set_robust_list resumed>) = 0 [pid 6104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6103] <... openat resumed>) = 3 [pid 6104] setpgid(0, 0) = 0 [pid 6104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6103] write(3, "1000", 4) = 4 [pid 6102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6103] close(3executing program ) = 0 [pid 6102] <... openat resumed>) = 3 [pid 6101] write(3, "1000", 4 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6104 [pid 6104] <... openat resumed>) = 3 [pid 6103] write(1, "executing program\n", 18 [pid 6102] write(3, "1000", 4 [pid 6101] <... write resumed>) = 4 [pid 6104] write(3, "1000", 4 [pid 6103] <... write resumed>) = 18 [pid 6102] <... write resumed>) = 4 [pid 6101] close(3 [pid 6102] close(3executing program executing program [pid 6104] <... write resumed>) = 4 [pid 6102] <... close resumed>) = 0 [pid 6101] <... close resumed>) = 0 [pid 6102] write(1, "executing program\n", 18 [pid 6101] write(1, "executing program\n", 18 [pid 6104] close(3 [pid 6102] <... write resumed>) = 18 [pid 6101] <... write resumed>) = 18 [pid 6103] perf_event_open( [pid 6102] perf_event_open( [pid 6104] <... close resumed>) = 0 [pid 6101] perf_event_open( [pid 6104] write(1, "executing program\n", 18executing program ) = 18 [pid 6104] perf_event_open( [pid 6100] +++ exited with 0 +++ [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6100, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6104] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6103] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6102] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6101] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6104] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6101] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6103] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6102] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5868] <... restart_syscall resumed>) = 0 [pid 6104] <... bpf resumed>) = 4 [pid 6103] <... bpf resumed>) = 4 [pid 6102] <... bpf resumed>) = 4 [pid 6101] <... bpf resumed>) = 4 [pid 6104] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6101] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6103] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6102] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6104] <... bpf resumed>) = 5 [pid 6103] <... bpf resumed>) = 5 [pid 6101] <... bpf resumed>) = 5 [pid 6104] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6103] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6102] <... bpf resumed>) = 5 [pid 6104] <... bpf resumed>) = 6 [pid 6101] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6104] perf_event_open( [pid 6103] <... bpf resumed>) = 6 [pid 6102] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6101] <... bpf resumed>) = 6 [pid 6103] perf_event_open(./strace-static-x86_64: Process 6105 attached [pid 6104] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6102] <... bpf resumed>) = 6 [pid 6101] perf_event_open( [pid 6103] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6105 [pid 6105] set_robust_list(0x555559802660, 24 [pid 6103] exit_group(0 [pid 6102] perf_event_open( [pid 6101] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6105] <... set_robust_list resumed>) = 0 [pid 6102] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6105] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6104] exit_group(0) = ? [pid 6103] <... exit_group resumed>) = ? [pid 6101] exit_group(0 [pid 6105] <... prctl resumed>) = 0 [pid 6105] setpgid(0, 0) = 0 [pid 6105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6101] <... exit_group resumed>) = ? [pid 6105] <... openat resumed>) = 3 [pid 6101] +++ exited with 0 +++ [pid 6105] write(3, "1000", 4) = 4 executing program [pid 6105] close(3) = 0 [pid 6105] write(1, "executing program\n", 18) = 18 [pid 6105] perf_event_open( [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6101, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6105] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6105] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5871] <... restart_syscall resumed>) = 0 [pid 6105] <... bpf resumed>) = 4 [pid 6102] exit_group(0 [pid 6105] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148) = 5 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6102] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6106 attached [pid 6105] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6104] +++ exited with 0 +++ [pid 6103] +++ exited with 0 +++ [pid 6102] +++ exited with 0 +++ [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6106 [pid 6106] set_robust_list(0x555559802660, 24 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6104, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6102, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6103, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5874] restart_syscall(<... resuming interrupted clone ...> [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6106] <... set_robust_list resumed>) = 0 [pid 6106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6106] setpgid(0, 0 [pid 6105] <... bpf resumed>) = 6 [pid 6106] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6107 attached [pid 6106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6105] perf_event_open( [pid 5874] <... restart_syscall resumed>) = 0 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6107] set_robust_list(0x555559802660, 24 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6107 [pid 6107] <... set_robust_list resumed>) = 0 [pid 6107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6106] <... openat resumed>) = 3 [pid 6105] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6107] <... prctl resumed>) = 0 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6107] setpgid(0, 0./strace-static-x86_64: Process 6109 attached ./strace-static-x86_64: Process 6108 attached [pid 6106] write(3, "1000", 4 [pid 6105] exit_group(0 [pid 6109] set_robust_list(0x555559802660, 24) = 0 [pid 6109] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6108] set_robust_list(0x555559802660, 24 [pid 6107] <... setpgid resumed>) = 0 [pid 6106] <... write resumed>) = 4 [pid 6105] <... exit_group resumed>) = ? [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6109 executing program [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6108 [pid 6109] <... prctl resumed>) = 0 [pid 6108] <... set_robust_list resumed>) = 0 [pid 6107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6106] close(3 [pid 6107] <... openat resumed>) = 3 [pid 6106] <... close resumed>) = 0 [pid 6106] write(1, "executing program\n", 18 [pid 6107] write(3, "1000", 4 [pid 6106] <... write resumed>) = 18 [pid 6107] <... write resumed>) = 4 [pid 6106] perf_event_open( [pid 6107] close(3 [pid 6106] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6105] +++ exited with 0 +++ [pid 6109] setpgid(0, 0 [pid 6107] <... close resumed>) = 0 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6105, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6108] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6107] write(1, "executing program\n", 18executing program [pid 6109] <... setpgid resumed>) = 0 [pid 6108] <... prctl resumed>) = 0 [pid 6107] <... write resumed>) = 18 [pid 6106] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6108] setpgid(0, 0 [pid 6109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6107] perf_event_open( [pid 6106] <... bpf resumed>) = 4 [pid 6106] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6109] <... openat resumed>) = 3 [pid 6108] <... setpgid resumed>) = 0 [pid 6109] write(3, "1000", 4 [pid 6108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6109] <... write resumed>) = 4 [pid 6108] <... openat resumed>) = 3 [pid 6107] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6106] <... bpf resumed>) = 5 [pid 6109] close(3 [pid 6108] write(3, "1000", 4 [pid 6107] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80./strace-static-x86_64: Process 6110 attached [pid 6109] <... close resumed>) = 0 [pid 6108] <... write resumed>) = 4 [pid 6107] <... bpf resumed>) = 4 [pid 6110] set_robust_list(0x555559802660, 24 executing program [pid 6109] write(1, "executing program\n", 18 [pid 6108] close(3 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6110 [pid 6110] <... set_robust_list resumed>) = 0 [pid 6109] <... write resumed>) = 18 [pid 6107] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6109] perf_event_open( [pid 6108] <... close resumed>) = 0 [pid 6106] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24executing program [pid 6110] <... prctl resumed>) = 0 [pid 6108] write(1, "executing program\n", 18 [pid 6107] <... bpf resumed>) = 5 [pid 6110] setpgid(0, 0 [pid 6108] <... write resumed>) = 18 [pid 6106] <... bpf resumed>) = 6 [pid 6109] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6108] perf_event_open( [pid 6107] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6110] <... setpgid resumed>) = 0 [pid 6109] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6108] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6106] perf_event_open( [pid 6110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6109] <... bpf resumed>) = 4 [pid 6108] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6107] <... bpf resumed>) = 6 [pid 6106] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6110] <... openat resumed>) = 3 [pid 6108] <... bpf resumed>) = 4 [pid 6109] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6110] write(3, "1000", 4 [pid 6107] perf_event_open( [pid 6110] <... write resumed>) = 4 [pid 6108] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6106] exit_group(0 [pid 6110] close(3) = 0 [pid 6109] <... bpf resumed>) = 5 [pid 6107] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 executing program [pid 6106] <... exit_group resumed>) = ? [pid 6110] write(1, "executing program\n", 18) = 18 [pid 6110] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6110] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6109] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6108] <... bpf resumed>) = 5 [pid 6107] exit_group(0 [pid 6106] +++ exited with 0 +++ [pid 6110] <... bpf resumed>) = 4 [pid 6110] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6109] <... bpf resumed>) = 6 [pid 6108] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6107] <... exit_group resumed>) = ? [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6106, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6110] <... bpf resumed>) = 5 [pid 6108] <... bpf resumed>) = 6 [pid 6107] +++ exited with 0 +++ [pid 6109] perf_event_open( [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6107, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6109] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6108] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6108] exit_group(0./strace-static-x86_64: Process 6111 attached [pid 6110] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6109] exit_group(0 [pid 6108] <... exit_group resumed>) = ? [pid 6111] set_robust_list(0x555559802660, 24 [pid 6110] <... bpf resumed>) = 6 [pid 6109] <... exit_group resumed>) = ? [pid 6111] <... set_robust_list resumed>) = 0 [pid 6110] perf_event_open( [pid 6108] +++ exited with 0 +++ [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6111 [pid 6111] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6110] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6108, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6111] <... prctl resumed>) = 0 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6110] exit_group(0 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6113 attached ./strace-static-x86_64: Process 6112 attached [pid 6111] setpgid(0, 0 [pid 6110] <... exit_group resumed>) = ? [pid 6109] +++ exited with 0 +++ [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6112 [pid 6112] set_robust_list(0x555559802660, 24 [pid 6111] <... setpgid resumed>) = 0 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6109, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6113] set_robust_list(0x555559802660, 24 [pid 6112] <... set_robust_list resumed>) = 0 [pid 6111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5874] restart_syscall(<... resuming interrupted clone ...> [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6113 [pid 6113] <... set_robust_list resumed>) = 0 [pid 6113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6111] <... openat resumed>) = 3 [pid 6113] <... prctl resumed>) = 0 [pid 6112] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6113] setpgid(0, 0) = 0 [pid 6112] <... prctl resumed>) = 0 [pid 6111] write(3, "1000", 4 [pid 5874] <... restart_syscall resumed>) = 0 [pid 6113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6112] setpgid(0, 0 [pid 6111] <... write resumed>) = 4 [pid 6113] <... openat resumed>) = 3 [pid 6112] <... setpgid resumed>) = 0 [pid 6111] close(3 [pid 6110] +++ exited with 0 +++ [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6113] write(3, "1000", 4 [pid 6112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6111] <... close resumed>) = 0 [pid 6113] <... write resumed>) = 4 [pid 6112] <... openat resumed>) = 3 [pid 6111] write(1, "executing program\n", 18./strace-static-x86_64: Process 6114 attached [pid 6113] close(3) = 0 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6110, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6114] set_robust_list(0x555559802660, 24) = 0 executing program executing program [pid 6113] write(1, "executing program\n", 18 [pid 6112] write(3, "1000", 4 [pid 6111] <... write resumed>) = 18 [pid 6113] <... write resumed>) = 18 [pid 6112] <... write resumed>) = 4 [pid 6111] perf_event_open( [pid 6113] perf_event_open( [pid 6112] close(3 [pid 6111] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6113] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6112] <... close resumed>) = 0 executing program [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6114 [pid 6112] write(1, "executing program\n", 18 [pid 6114] <... prctl resumed>) = 0 [pid 6114] setpgid(0, 0 [pid 6113] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6112] <... write resumed>) = 18 [pid 6111] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6114] <... setpgid resumed>) = 0 [pid 6112] perf_event_open( [pid 6114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6112] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6111] <... bpf resumed>) = 4 [pid 6112] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6114] write(3, "1000", 4 [pid 6113] <... bpf resumed>) = 4 [pid 6111] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6114] <... write resumed>) = 4 [pid 6113] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6112] <... bpf resumed>) = 4 [pid 6114] close(3 [pid 6112] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6114] <... close resumed>) = 0 [pid 6113] <... bpf resumed>) = 5 [pid 6111] <... bpf resumed>) = 5 [pid 6112] <... bpf resumed>) = 5 executing program [pid 6114] write(1, "executing program\n", 18 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6114] <... write resumed>) = 18 [pid 6113] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6112] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6111] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24./strace-static-x86_64: Process 6115 attached [pid 6114] perf_event_open( [pid 6113] <... bpf resumed>) = 6 [pid 6112] <... bpf resumed>) = 6 [pid 6111] <... bpf resumed>) = 6 [pid 6114] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6113] perf_event_open( [pid 6115] set_robust_list(0x555559802660, 24 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6115 [pid 6115] <... set_robust_list resumed>) = 0 [pid 6115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6114] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6113] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6112] perf_event_open( [pid 6111] perf_event_open( [pid 6115] <... prctl resumed>) = 0 [pid 6114] <... bpf resumed>) = 4 [pid 6112] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6115] setpgid(0, 0 [pid 6111] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6115] <... setpgid resumed>) = 0 [pid 6115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6114] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6115] write(3, "1000", 4) = 4 [pid 6115] close(3) = 0 [pid 6115] write(1, "executing program\n", 18executing program ) = 18 [pid 6114] <... bpf resumed>) = 5 [pid 6115] perf_event_open( [pid 6111] exit_group(0 [pid 6115] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6113] exit_group(0 [pid 6112] exit_group(0 [pid 6111] <... exit_group resumed>) = ? [pid 6115] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6114] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6115] <... bpf resumed>) = 4 [pid 6115] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148) = 5 [pid 6114] <... bpf resumed>) = 6 [pid 6113] <... exit_group resumed>) = ? [pid 6112] <... exit_group resumed>) = ? [pid 6111] +++ exited with 0 +++ [pid 6114] perf_event_open( [pid 6112] +++ exited with 0 +++ [pid 6115] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6114] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6114] exit_group(0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6111, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6112, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6115] <... bpf resumed>) = 6 [pid 6114] <... exit_group resumed>) = ? [pid 6113] +++ exited with 0 +++ [pid 6115] perf_event_open( [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6115] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6113, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 6114] +++ exited with 0 +++ [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6114, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5874] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6116 attached [pid 6115] exit_group(0./strace-static-x86_64: Process 6117 attached [pid 6116] set_robust_list(0x555559802660, 24 [pid 6115] <... exit_group resumed>) = ? [pid 6117] set_robust_list(0x555559802660, 24 [pid 6116] <... set_robust_list resumed>) = 0 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6116 [pid 6117] <... set_robust_list resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6117 [pid 6117] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5874] <... restart_syscall resumed>) = 0 [pid 5873] <... restart_syscall resumed>) = 0 [pid 6117] setpgid(0, 0 [pid 6116] <... prctl resumed>) = 0 [pid 6117] <... setpgid resumed>) = 0 [pid 6116] setpgid(0, 0) = 0 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6118 attached [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6119 attached [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6118 [pid 6117] <... openat resumed>) = 3 [pid 6118] set_robust_list(0x555559802660, 24) = 0 [pid 6117] write(3, "1000", 4 [pid 6116] <... openat resumed>) = 3 [pid 6115] +++ exited with 0 +++ [pid 6119] set_robust_list(0x555559802660, 24 [pid 6118] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6119 [pid 6119] <... set_robust_list resumed>) = 0 [pid 6119] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6118] <... prctl resumed>) = 0 [pid 6117] <... write resumed>) = 4 [pid 6116] write(3, "1000", 4 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6115, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6119] setpgid(0, 0 [pid 6118] setpgid(0, 0 [pid 6117] close(3 [pid 6116] <... write resumed>) = 4 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6119] <... setpgid resumed>) = 0 [pid 6118] <... setpgid resumed>) = 0 [pid 6117] <... close resumed>) = 0 [pid 6116] close(3 [pid 5868] <... restart_syscall resumed>) = 0 [pid 6119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6116] <... close resumed>) = 0 [pid 6117] write(1, "executing program\n", 18executing program executing program [pid 6119] <... openat resumed>) = 3 [pid 6117] <... write resumed>) = 18 [pid 6116] write(1, "executing program\n", 18) = 18 [pid 6119] write(3, "1000", 4) = 4 [pid 6119] close(3) = 0 [pid 6118] <... openat resumed>) = 3 [pid 6117] perf_event_open( [pid 6116] perf_event_open( [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6119] write(1, "executing program\n", 18 [pid 6118] write(3, "1000", 4executing program [pid 6117] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6116] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 ./strace-static-x86_64: Process 6120 attached [pid 6119] <... write resumed>) = 18 [pid 6118] <... write resumed>) = 4 [pid 6120] set_robust_list(0x555559802660, 24 [pid 6119] perf_event_open( [pid 6118] close(3 [pid 6117] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6116] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6120 [pid 6120] <... set_robust_list resumed>) = 0 [pid 6119] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6118] <... close resumed>) = 0 [pid 6117] <... bpf resumed>) = 4 [pid 6118] write(1, "executing program\n", 18executing program [pid 6116] <... bpf resumed>) = 4 [pid 6120] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6119] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6118] <... write resumed>) = 18 [pid 6117] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6120] <... prctl resumed>) = 0 [pid 6119] <... bpf resumed>) = 4 [pid 6118] perf_event_open( [pid 6116] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6120] setpgid(0, 0 [pid 6119] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6118] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6117] <... bpf resumed>) = 5 [pid 6116] <... bpf resumed>) = 5 [pid 6120] <... setpgid resumed>) = 0 [pid 6118] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 4 [pid 6119] <... bpf resumed>) = 5 [pid 6118] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6116] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6119] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6120] <... openat resumed>) = 3 [pid 6119] <... bpf resumed>) = 6 [pid 6117] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6116] <... bpf resumed>) = 6 [pid 6120] write(3, "1000", 4 [pid 6119] perf_event_open( [pid 6117] <... bpf resumed>) = 6 [pid 6116] perf_event_open( [pid 6120] <... write resumed>) = 4 [pid 6119] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6116] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6120] close(3 [pid 6117] perf_event_open( [pid 6120] <... close resumed>) = 0 [pid 6119] exit_group(0 [pid 6118] <... bpf resumed>) = 5 [pid 6118] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6116] exit_group(0 [pid 6120] write(1, "executing program\n", 18 [pid 6118] <... bpf resumed>) = 6 [pid 6117] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 executing program [pid 6119] <... exit_group resumed>) = ? [pid 6120] <... write resumed>) = 18 [pid 6118] perf_event_open( [pid 6117] exit_group(0 [pid 6120] perf_event_open( [pid 6118] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6118] exit_group(0 [pid 6120] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6116] <... exit_group resumed>) = ? [pid 6117] <... exit_group resumed>) = ? [pid 6118] <... exit_group resumed>) = ? [pid 6116] +++ exited with 0 +++ [pid 6118] +++ exited with 0 +++ [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6118, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 6119] +++ exited with 0 +++ [pid 6117] +++ exited with 0 +++ [pid 6120] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6119, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6117, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6116, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5874] restart_syscall(<... resuming interrupted clone ...> [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6120] <... bpf resumed>) = 4 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6120] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 6121 attached [pid 5874] <... restart_syscall resumed>) = 0 [pid 5873] <... restart_syscall resumed>) = 0 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6121 [pid 6121] set_robust_list(0x555559802660, 24 [pid 6120] <... bpf resumed>) = 5 [pid 5871] <... restart_syscall resumed>) = 0 [pid 6121] <... set_robust_list resumed>) = 0 [pid 6120] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6122 attached [pid 6121] <... prctl resumed>) = 0 [pid 6121] setpgid(0, 0 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6121] <... setpgid resumed>) = 0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6123 attached [pid 6122] set_robust_list(0x555559802660, 24) = 0 ./strace-static-x86_64: Process 6124 attached [pid 6122] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6123] set_robust_list(0x555559802660, 24) = 0 [pid 6121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6122 [pid 6123] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6122] <... prctl resumed>) = 0 [pid 6120] <... bpf resumed>) = 6 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6123 [pid 6122] setpgid(0, 0 [pid 6123] <... prctl resumed>) = 0 [pid 6122] <... setpgid resumed>) = 0 [pid 6121] <... openat resumed>) = 3 [pid 6123] setpgid(0, 0 [pid 6124] set_robust_list(0x555559802660, 24 [pid 6122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6120] perf_event_open( [pid 6124] <... set_robust_list resumed>) = 0 [pid 6123] <... setpgid resumed>) = 0 [pid 6124] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6122] <... openat resumed>) = 3 [pid 6120] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6123] <... openat resumed>) = 3 [pid 6124] <... prctl resumed>) = 0 [pid 6122] write(3, "1000", 4 [pid 6121] write(3, "1000", 4 [pid 6120] exit_group(0 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6124 [pid 6124] setpgid(0, 0 [pid 6123] write(3, "1000", 4 [pid 6122] <... write resumed>) = 4 [pid 6121] <... write resumed>) = 4 [pid 6120] <... exit_group resumed>) = ? [pid 6124] <... setpgid resumed>) = 0 [pid 6123] <... write resumed>) = 4 [pid 6122] close(3 [pid 6121] close(3 [pid 6123] close(3 [pid 6122] <... close resumed>) = 0 [pid 6124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6123] <... close resumed>) = 0 [pid 6122] write(1, "executing program\n", 18 [pid 6121] <... close resumed>) = 0 executing program [pid 6123] write(1, "executing program\n", 18 [pid 6121] write(1, "executing program\n", 18 [pid 6122] <... write resumed>) = 18 executing program executing program [pid 6124] <... openat resumed>) = 3 [pid 6124] write(3, "1000", 4 [pid 6123] <... write resumed>) = 18 [pid 6122] perf_event_open( [pid 6121] <... write resumed>) = 18 [pid 6123] perf_event_open( [pid 6121] perf_event_open( [pid 6124] <... write resumed>) = 4 [pid 6124] close(3) = 0 [pid 6124] write(1, "executing program\n", 18executing program ) = 18 [pid 6124] perf_event_open( [pid 6120] +++ exited with 0 +++ [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6120, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6124] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6123] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6122] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6121] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6123] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6122] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6124] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6122] <... bpf resumed>) = 4 [pid 6121] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6122] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6124] <... bpf resumed>) = 4 [pid 6122] <... bpf resumed>) = 5 [pid 6121] <... bpf resumed>) = 4 [pid 5868] <... restart_syscall resumed>) = 0 [pid 6122] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6121] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6124] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6123] <... bpf resumed>) = 4 [pid 6123] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6122] <... bpf resumed>) = 6 [pid 6123] <... bpf resumed>) = 5 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6123] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24./strace-static-x86_64: Process 6125 attached [pid 6124] <... bpf resumed>) = 5 [pid 6122] perf_event_open( [pid 6121] <... bpf resumed>) = 5 [pid 6125] set_robust_list(0x555559802660, 24 [pid 6124] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6123] <... bpf resumed>) = 6 [pid 6122] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6121] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6125 [pid 6125] <... set_robust_list resumed>) = 0 [pid 6124] <... bpf resumed>) = 6 [pid 6123] perf_event_open( [pid 6122] exit_group(0 [pid 6121] <... bpf resumed>) = 6 [pid 6125] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6124] perf_event_open( [pid 6123] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6122] <... exit_group resumed>) = ? [pid 6125] <... prctl resumed>) = 0 [pid 6124] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6123] exit_group(0 [pid 6121] perf_event_open( [pid 6125] setpgid(0, 0) = 0 [pid 6122] +++ exited with 0 +++ [pid 6121] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6123] <... exit_group resumed>) = ? [pid 6124] exit_group(0 [pid 6125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6122, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6121] exit_group(0 [pid 5874] restart_syscall(<... resuming interrupted clone ...> [pid 6125] <... openat resumed>) = 3 [pid 6123] +++ exited with 0 +++ [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6123, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 6124] <... exit_group resumed>) = ? [pid 6125] write(3, "1000", 4) = 4 [pid 6125] close(3executing program ) = 0 [pid 5873] <... restart_syscall resumed>) = 0 [pid 6125] write(1, "executing program\n", 18) = 18 [pid 6125] perf_event_open( [pid 6124] +++ exited with 0 +++ [pid 6121] <... exit_group resumed>) = ? [pid 5874] <... restart_syscall resumed>) = 0 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6125] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6124, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6126 attached [pid 6125] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6121] +++ exited with 0 +++ [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6126 [pid 6126] set_robust_list(0x555559802660, 24./strace-static-x86_64: Process 6127 attached [pid 6125] <... bpf resumed>) = 4 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6126] <... set_robust_list resumed>) = 0 [pid 6125] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6121, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6126] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6128 attached [pid 6127] set_robust_list(0x555559802660, 24 [pid 6126] <... prctl resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6127 ./strace-static-x86_64: Process 6129 attached [pid 6128] set_robust_list(0x555559802660, 24 [pid 6127] <... set_robust_list resumed>) = 0 [pid 6126] setpgid(0, 0 [pid 6125] <... bpf resumed>) = 5 [pid 6128] <... set_robust_list resumed>) = 0 [pid 6126] <... setpgid resumed>) = 0 [pid 6128] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6127] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6125] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6128] <... prctl resumed>) = 0 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6129 [pid 6128] setpgid(0, 0) = 0 [pid 6125] <... bpf resumed>) = 6 [pid 6127] <... prctl resumed>) = 0 [pid 6127] setpgid(0, 0) = 0 [pid 6129] set_robust_list(0x555559802660, 24 [pid 6127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6126] <... openat resumed>) = 3 [pid 6125] perf_event_open( [pid 6129] <... set_robust_list resumed>) = 0 [pid 6128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6126] write(3, "1000", 4 [pid 6125] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6128 [pid 6129] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6127] <... openat resumed>) = 3 [pid 6129] <... prctl resumed>) = 0 [pid 6128] <... openat resumed>) = 3 [pid 6126] <... write resumed>) = 4 [pid 6129] setpgid(0, 0 [pid 6127] write(3, "1000", 4 [pid 6125] exit_group(0 [pid 6129] <... setpgid resumed>) = 0 [pid 6128] write(3, "1000", 4 [pid 6126] close(3 [pid 6129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6128] <... write resumed>) = 4 [pid 6127] <... write resumed>) = 4 [pid 6126] <... close resumed>) = 0 executing program [pid 6125] <... exit_group resumed>) = ? [pid 6129] <... openat resumed>) = 3 [pid 6128] close(3 [pid 6127] close(3 [pid 6126] write(1, "executing program\n", 18 [pid 6128] <... close resumed>) = 0 [pid 6126] <... write resumed>) = 18 [pid 6127] <... close resumed>) = 0 [pid 6126] perf_event_open(executing program executing program [pid 6127] write(1, "executing program\n", 18 [pid 6129] write(3, "1000", 4 [pid 6128] write(1, "executing program\n", 18 [pid 6127] <... write resumed>) = 18 [pid 6126] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6129] <... write resumed>) = 4 [pid 6128] <... write resumed>) = 18 [pid 6129] close(3 [pid 6128] perf_event_open( [pid 6129] <... close resumed>) = 0 executing program [pid 6129] write(1, "executing program\n", 18 [pid 6128] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6126] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6129] <... write resumed>) = 18 [pid 6128] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6127] perf_event_open( [pid 6126] <... bpf resumed>) = 4 [pid 6129] perf_event_open( [pid 6128] <... bpf resumed>) = 4 [pid 6127] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6126] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6127] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6125] +++ exited with 0 +++ [pid 6129] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6128] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6127] <... bpf resumed>) = 4 [pid 6126] <... bpf resumed>) = 5 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6125, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6129] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6127] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6128] <... bpf resumed>) = 5 [pid 6129] <... bpf resumed>) = 4 [pid 6126] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6128] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6127] <... bpf resumed>) = 5 [pid 6129] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6127] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6128] <... bpf resumed>) = 6 [pid 6126] <... bpf resumed>) = 6 [pid 6128] perf_event_open( [pid 6129] <... bpf resumed>) = 5 [pid 6127] <... bpf resumed>) = 6 [pid 6126] perf_event_open( [pid 6129] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24) = 6 [pid 6128] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6127] perf_event_open( [pid 6129] perf_event_open( [pid 6126] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6129] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6127] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6129] exit_group(0 [pid 6128] exit_group(0 [pid 6127] exit_group(0 [pid 6126] exit_group(0 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6129] <... exit_group resumed>) = ? [pid 6128] <... exit_group resumed>) = ? [pid 6127] <... exit_group resumed>) = ? [pid 6126] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6130 attached [pid 6129] +++ exited with 0 +++ [pid 6128] +++ exited with 0 +++ [pid 6130] set_robust_list(0x555559802660, 24 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6128, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6130 [pid 5874] restart_syscall(<... resuming interrupted clone ...> [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6129, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5874] <... restart_syscall resumed>) = 0 [pid 6130] <... set_robust_list resumed>) = 0 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6130] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6131 attached ) = 0 [pid 6126] +++ exited with 0 +++ ./strace-static-x86_64: Process 6132 attached [pid 6130] setpgid(0, 0 [pid 6131] set_robust_list(0x555559802660, 24 [pid 6130] <... setpgid resumed>) = 0 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6126, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 6132] set_robust_list(0x555559802660, 24 [pid 6131] <... set_robust_list resumed>) = 0 [pid 6132] <... set_robust_list resumed>) = 0 [pid 6131] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6131 [pid 6132] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6131] <... prctl resumed>) = 0 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6132 [pid 6132] <... prctl resumed>) = 0 [pid 6131] setpgid(0, 0 [pid 6130] <... openat resumed>) = 3 [pid 6132] setpgid(0, 0 [pid 6131] <... setpgid resumed>) = 0 [pid 6130] write(3, "1000", 4 [pid 6132] <... setpgid resumed>) = 0 [pid 6131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6130] <... write resumed>) = 4 [pid 6132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6130] close(3 [pid 6132] <... openat resumed>) = 3 [pid 6131] <... openat resumed>) = 3 [pid 6130] <... close resumed>) = 0 [pid 5873] <... restart_syscall resumed>) = 0 [pid 6130] write(1, "executing program\n", 18executing program [pid 6132] write(3, "1000", 4 [pid 6131] write(3, "1000", 4 [pid 6130] <... write resumed>) = 18 [pid 6132] <... write resumed>) = 4 [pid 6131] <... write resumed>) = 4 [pid 6130] perf_event_open( [pid 6132] close(3 [pid 6131] close(3 [pid 6132] <... close resumed>) = 0 [pid 6131] <... close resumed>) = 0 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program executing program [pid 6132] write(1, "executing program\n", 18 [pid 6131] write(1, "executing program\n", 18 [pid 6132] <... write resumed>) = 18 [pid 6131] <... write resumed>) = 18 [pid 6132] perf_event_open( [pid 6131] perf_event_open(./strace-static-x86_64: Process 6133 attached [pid 6132] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6131] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6130] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6127] +++ exited with 0 +++ [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6133 [pid 6131] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6130] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6133] set_robust_list(0x555559802660, 24 [pid 6132] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6133] <... set_robust_list resumed>) = 0 [pid 6131] <... bpf resumed>) = 4 [pid 6130] <... bpf resumed>) = 4 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6127, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6133] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6132] <... bpf resumed>) = 4 [pid 6131] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6130] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6133] <... prctl resumed>) = 0 [pid 6132] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6133] setpgid(0, 0 [pid 6131] <... bpf resumed>) = 5 [pid 6130] <... bpf resumed>) = 5 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6133] <... setpgid resumed>) = 0 [pid 6132] <... bpf resumed>) = 5 [pid 6131] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6130] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24./strace-static-x86_64: Process 6134 attached [pid 6133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6132] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6134] set_robust_list(0x555559802660, 24 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6134 [pid 6134] <... set_robust_list resumed>) = 0 [pid 6132] <... bpf resumed>) = 6 [pid 6134] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6133] <... openat resumed>) = 3 [pid 6131] <... bpf resumed>) = 6 [pid 6130] <... bpf resumed>) = 6 [pid 6134] <... prctl resumed>) = 0 [pid 6133] write(3, "1000", 4 [pid 6132] perf_event_open( [pid 6131] perf_event_open( [pid 6130] perf_event_open( [pid 6134] setpgid(0, 0 [pid 6133] <... write resumed>) = 4 [pid 6132] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6134] <... setpgid resumed>) = 0 [pid 6133] close(3 [pid 6131] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6130] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6133] <... close resumed>) = 0 [pid 6132] exit_group(0 [pid 6133] write(1, "executing program\n", 18executing program [pid 6134] <... openat resumed>) = 3 [pid 6133] <... write resumed>) = 18 [pid 6131] exit_group(0 [pid 6130] exit_group(0 [pid 6132] <... exit_group resumed>) = ? [pid 6134] write(3, "1000", 4 [pid 6133] perf_event_open( [pid 6130] <... exit_group resumed>) = ? [pid 6134] <... write resumed>) = 4 [pid 6133] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6132] +++ exited with 0 +++ [pid 6131] <... exit_group resumed>) = ? [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6132, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5874] restart_syscall(<... resuming interrupted clone ...> [pid 6134] close(3 [pid 6133] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6134] <... close resumed>) = 0 [pid 5874] <... restart_syscall resumed>) = 0 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6135 attached executing program [pid 6134] write(1, "executing program\n", 18 [pid 6131] +++ exited with 0 +++ [pid 6130] +++ exited with 0 +++ [pid 6134] <... write resumed>) = 18 [pid 6133] <... bpf resumed>) = 4 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6131, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6134] perf_event_open( [pid 5870] restart_syscall(<... resuming interrupted clone ...> [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6130, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6133] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5870] <... restart_syscall resumed>) = 0 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6135] set_robust_list(0x555559802660, 24) = 0 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6135 [pid 6135] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6134] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5868] <... restart_syscall resumed>) = 0 [pid 6135] <... prctl resumed>) = 0 [pid 6135] setpgid(0, 0) = 0 [pid 6135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6135] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6136 attached [pid 6134] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6133] <... bpf resumed>) = 5 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6136] set_robust_list(0x555559802660, 24 [pid 6135] write(3, "1000", 4 [pid 6134] <... bpf resumed>) = 4 [pid 6133] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6135] <... write resumed>) = 4 [pid 6134] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 6137 attached [pid 6136] <... set_robust_list resumed>) = 0 [pid 6135] close(3 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6136 [pid 6137] set_robust_list(0x555559802660, 24 [pid 6136] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6135] <... close resumed>) = 0 [pid 6137] <... set_robust_list resumed>) = 0 [pid 6136] <... prctl resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6137 [pid 6137] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6136] setpgid(0, 0 [pid 6134] <... bpf resumed>) = 5 [pid 6137] <... prctl resumed>) = 0 [pid 6136] <... setpgid resumed>) = 0 executing program [pid 6135] write(1, "executing program\n", 18 [pid 6133] <... bpf resumed>) = 6 [pid 6137] setpgid(0, 0 [pid 6136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6135] <... write resumed>) = 18 [pid 6134] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6137] <... setpgid resumed>) = 0 [pid 6136] <... openat resumed>) = 3 [pid 6135] perf_event_open( [pid 6137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6134] <... bpf resumed>) = 6 [pid 6133] perf_event_open( [pid 6137] <... openat resumed>) = 3 [pid 6136] write(3, "1000", 4 [pid 6135] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6134] perf_event_open( [pid 6133] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6137] write(3, "1000", 4 [pid 6136] <... write resumed>) = 4 [pid 6135] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6137] <... write resumed>) = 4 [pid 6136] close(3 [pid 6135] <... bpf resumed>) = 4 [pid 6133] exit_group(0 [pid 6136] <... close resumed>) = 0 executing program [pid 6136] write(1, "executing program\n", 18) = 18 [pid 6137] close(3 [pid 6136] perf_event_open( [pid 6135] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6134] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6133] <... exit_group resumed>) = ? [pid 6137] <... close resumed>) = 0 [pid 6136] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6135] <... bpf resumed>) = 5 [pid 6134] exit_group(0 [pid 6135] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24) = 6 [pid 6135] perf_event_open(executing program [pid 6137] write(1, "executing program\n", 18 [pid 6136] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6134] <... exit_group resumed>) = ? [pid 6133] +++ exited with 0 +++ [pid 6137] <... write resumed>) = 18 [pid 6135] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6137] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6136] <... bpf resumed>) = 4 [pid 6136] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6137] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6135] exit_group(0 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6133, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6134] +++ exited with 0 +++ [pid 6137] <... bpf resumed>) = 4 [pid 6136] <... bpf resumed>) = 5 [pid 6135] <... exit_group resumed>) = ? [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6137] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 6138 attached [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6134, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6138] set_robust_list(0x555559802660, 24) = 0 [pid 6138] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6136] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6135] +++ exited with 0 +++ [pid 5871] <... restart_syscall resumed>) = 0 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6135, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5874] restart_syscall(<... resuming interrupted clone ...> [pid 6137] <... bpf resumed>) = 5 [pid 6137] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6136] <... bpf resumed>) = 6 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6138 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6138] <... prctl resumed>) = 0 [pid 6137] <... bpf resumed>) = 6 [pid 6137] perf_event_open(./strace-static-x86_64: Process 6139 attached [pid 6138] setpgid(0, 0 [pid 6137] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6136] perf_event_open( [pid 5874] <... restart_syscall resumed>) = 0 [pid 6139] set_robust_list(0x555559802660, 24 [pid 6138] <... setpgid resumed>) = 0 [pid 6139] <... set_robust_list resumed>) = 0 [pid 6138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6136] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6139 [pid 6137] exit_group(0 [pid 6139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6138] <... openat resumed>) = 3 [pid 6137] <... exit_group resumed>) = ? [pid 6136] exit_group(0 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6140 attached [pid 6139] <... prctl resumed>) = 0 [pid 6138] write(3, "1000", 4 [pid 6136] <... exit_group resumed>) = ? [pid 6140] set_robust_list(0x555559802660, 24 [pid 6138] <... write resumed>) = 4 [pid 6139] setpgid(0, 0) = 0 [pid 6139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6140] <... set_robust_list resumed>) = 0 [pid 6139] <... openat resumed>) = 3 [pid 6138] close(3 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6140 [pid 6140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6138] <... close resumed>) = 0 executing program [pid 6140] <... prctl resumed>) = 0 [pid 6139] write(3, "1000", 4 [pid 6138] write(1, "executing program\n", 18 [pid 6136] +++ exited with 0 +++ [pid 6140] setpgid(0, 0 [pid 6139] <... write resumed>) = 4 [pid 6138] <... write resumed>) = 18 [pid 6140] <... setpgid resumed>) = 0 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6136, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6138] perf_event_open( [pid 6139] close(3 [pid 5870] restart_syscall(<... resuming interrupted clone ...> [pid 6139] <... close resumed>) = 0 [pid 6140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 6139] write(1, "executing program\n", 18) = 18 [pid 6140] <... openat resumed>) = 3 [pid 5870] <... restart_syscall resumed>) = 0 [pid 6139] perf_event_open( [pid 6140] write(3, "1000", 4) = 4 [pid 6140] close(3executing program ) = 0 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6140] write(1, "executing program\n", 18) = 18 [pid 6140] perf_event_open(./strace-static-x86_64: Process 6141 attached [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6141 [pid 6141] set_robust_list(0x555559802660, 24) = 0 [pid 6141] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6140] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6139] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6138] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6137] +++ exited with 0 +++ [pid 6140] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6141] <... prctl resumed>) = 0 [pid 6140] <... bpf resumed>) = 4 [pid 6139] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6138] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6141] setpgid(0, 0 [pid 6140] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6139] <... bpf resumed>) = 4 [pid 6138] <... bpf resumed>) = 4 [pid 6141] <... setpgid resumed>) = 0 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6137, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6139] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6138] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6141] <... openat resumed>) = 3 [pid 6140] <... bpf resumed>) = 5 [pid 6139] <... bpf resumed>) = 5 [pid 6139] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6141] write(3, "1000", 4 [pid 6140] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6138] <... bpf resumed>) = 5 [pid 6139] <... bpf resumed>) = 6 [pid 5868] <... restart_syscall resumed>) = 0 [pid 6141] <... write resumed>) = 4 [pid 6138] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6141] close(3 [pid 6139] perf_event_open( [pid 6141] <... close resumed>) = 0 [pid 6140] <... bpf resumed>) = 6 [pid 6138] <... bpf resumed>) = 6 [pid 6140] perf_event_open(executing program {type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6140] exit_group(0 [pid 6139] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6138] perf_event_open( [pid 6141] write(1, "executing program\n", 18 [pid 6140] <... exit_group resumed>) = ? [pid 6138] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6141] <... write resumed>) = 18 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6138] exit_group(0 [pid 6141] perf_event_open(./strace-static-x86_64: Process 6142 attached [pid 6142] set_robust_list(0x555559802660, 24 [pid 6139] exit_group(0 [pid 6142] <... set_robust_list resumed>) = 0 [pid 6142] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6142] setpgid(0, 0 [pid 6141] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6142] <... setpgid resumed>) = 0 [pid 6140] +++ exited with 0 +++ [pid 6142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6141] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6139] <... exit_group resumed>) = ? [pid 6138] <... exit_group resumed>) = ? [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6142 [pid 6142] write(3, "1000", 4 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6140, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5874] restart_syscall(<... resuming interrupted clone ...> [pid 6141] <... bpf resumed>) = 4 [pid 6141] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6142] <... write resumed>) = 4 [pid 6141] <... bpf resumed>) = 5 [pid 5874] <... restart_syscall resumed>) = 0 [pid 6141] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6142] close(3 [pid 6139] +++ exited with 0 +++ [pid 6138] +++ exited with 0 +++ [pid 6142] <... close resumed>) = 0 [pid 6141] <... bpf resumed>) = 6 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6139, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 6142] write(1, "executing program\n", 18 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6138, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6142] <... write resumed>) = 18 [pid 6141] perf_event_open( [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6142] perf_event_open( [pid 6141] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 ./strace-static-x86_64: Process 6143 attached [pid 6143] set_robust_list(0x555559802660, 24 [pid 6142] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6141] exit_group(0 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6143] <... set_robust_list resumed>) = 0 [pid 6143] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6142] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6141] <... exit_group resumed>) = ? [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6143 [pid 6143] <... prctl resumed>) = 0 [pid 6143] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 6145 attached ./strace-static-x86_64: Process 6144 attached [pid 6143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6142] <... bpf resumed>) = 4 [pid 6143] <... openat resumed>) = 3 [pid 6145] set_robust_list(0x555559802660, 24 [pid 6144] set_robust_list(0x555559802660, 24 [pid 6143] write(3, "1000", 4 [pid 6142] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6141] +++ exited with 0 +++ [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6144 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6145 [pid 6145] <... set_robust_list resumed>) = 0 [pid 6144] <... set_robust_list resumed>) = 0 [pid 6143] <... write resumed>) = 4 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6141, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- executing program [pid 6145] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6144] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6143] close(3 [pid 6145] <... prctl resumed>) = 0 [pid 6144] <... prctl resumed>) = 0 [pid 6143] <... close resumed>) = 0 [pid 6145] setpgid(0, 0 [pid 6143] write(1, "executing program\n", 18 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6145] <... setpgid resumed>) = 0 [pid 6144] setpgid(0, 0 [pid 6143] <... write resumed>) = 18 [pid 6142] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 6146 attached [pid 6144] <... setpgid resumed>) = 0 [pid 6146] set_robust_list(0x555559802660, 24 [pid 6145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6143] perf_event_open( [pid 6142] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6146] <... set_robust_list resumed>) = 0 [pid 6145] <... openat resumed>) = 3 [pid 6144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6146 [pid 6146] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6145] write(3, "1000", 4 [pid 6143] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6146] <... prctl resumed>) = 0 [pid 6145] <... write resumed>) = 4 [pid 6146] setpgid(0, 0 [pid 6145] close(3 [pid 6146] <... setpgid resumed>) = 0 [pid 6145] <... close resumed>) = 0 [pid 6144] <... openat resumed>) = 3 [pid 6143] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6142] <... bpf resumed>) = 6 [pid 6146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6145] write(1, "executing program\n", 18 [pid 6144] write(3, "1000", 4executing program [pid 6146] <... openat resumed>) = 3 [pid 6144] <... write resumed>) = 4 [pid 6143] <... bpf resumed>) = 4 [pid 6146] write(3, "1000", 4 [pid 6145] <... write resumed>) = 18 [pid 6144] close(3 [pid 6143] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6142] perf_event_open( [pid 6146] <... write resumed>) = 4 [pid 6145] perf_event_open( [pid 6144] <... close resumed>) = 0 [pid 6142] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6146] close(3 [pid 6144] write(1, "executing program\n", 18executing program [pid 6146] <... close resumed>) = 0 [pid 6145] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6144] <... write resumed>) = 18 [pid 6142] exit_group(0 [pid 6146] write(1, "executing program\n", 18 [pid 6145] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6144] perf_event_open(executing program [pid 6146] <... write resumed>) = 18 [pid 6145] <... bpf resumed>) = 4 [pid 6144] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6146] perf_event_open( [pid 6145] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6143] <... bpf resumed>) = 5 [pid 6142] <... exit_group resumed>) = ? [pid 6146] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6144] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6143] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6146] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6144] <... bpf resumed>) = 4 [pid 6143] <... bpf resumed>) = 6 [pid 6142] +++ exited with 0 +++ [pid 6146] <... bpf resumed>) = 4 [pid 6144] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6143] perf_event_open( [pid 6146] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6145] <... bpf resumed>) = 5 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6142, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6145] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6144] <... bpf resumed>) = 5 [pid 6143] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6146] <... bpf resumed>) = 5 [pid 6146] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6145] <... bpf resumed>) = 6 [pid 6144] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6145] perf_event_open( [pid 6146] <... bpf resumed>) = 6 [pid 6146] perf_event_open( [pid 6145] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6144] <... bpf resumed>) = 6 [pid 6143] exit_group(0 [pid 6146] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6143] <... exit_group resumed>) = ? [pid 6146] exit_group(0 [pid 6145] exit_group(0 [pid 6144] perf_event_open( [pid 5868] <... restart_syscall resumed>) = 0 [pid 6146] <... exit_group resumed>) = ? [pid 6146] +++ exited with 0 +++ [pid 6144] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6143] +++ exited with 0 +++ [pid 6145] <... exit_group resumed>) = ? [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6143, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6144] exit_group(0 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6146, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6144] <... exit_group resumed>) = ? [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6148 attached ./strace-static-x86_64: Process 6147 attached [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6145] +++ exited with 0 +++ [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6148 [pid 6147] set_robust_list(0x555559802660, 24 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6147 ./strace-static-x86_64: Process 6149 attached [pid 6147] <... set_robust_list resumed>) = 0 [pid 6148] set_robust_list(0x555559802660, 24 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6145, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6149] set_robust_list(0x555559802660, 24 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6149] <... set_robust_list resumed>) = 0 [pid 6147] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6148] <... set_robust_list resumed>) = 0 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6149 [pid 6147] <... prctl resumed>) = 0 [pid 6149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6147] setpgid(0, 0 [pid 6148] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5871] <... restart_syscall resumed>) = 0 [pid 6149] <... prctl resumed>) = 0 [pid 6149] setpgid(0, 0) = 0 [pid 6147] <... setpgid resumed>) = 0 [pid 6148] <... prctl resumed>) = 0 [pid 6149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6148] setpgid(0, 0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6148] <... setpgid resumed>) = 0 [pid 6149] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6150 attached [pid 6147] <... openat resumed>) = 3 [pid 6148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6144] +++ exited with 0 +++ [pid 6150] set_robust_list(0x555559802660, 24 [pid 6149] write(3, "1000", 4 [pid 6147] write(3, "1000", 4 [pid 6148] <... openat resumed>) = 3 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6144, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6150 [pid 6150] <... set_robust_list resumed>) = 0 [pid 6149] <... write resumed>) = 4 [pid 6147] <... write resumed>) = 4 [pid 6149] close(3 [pid 6147] close(3 [pid 6148] write(3, "1000", 4) = 4 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6150] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6149] <... close resumed>) = 0 [pid 6147] <... close resumed>) = 0 [pid 6148] close(3./strace-static-x86_64: Process 6151 attached [pid 6150] <... prctl resumed>) = 0 [pid 6149] write(1, "executing program\n", 18 [pid 6147] write(1, "executing program\n", 18 [pid 6148] <... close resumed>) = 0 [pid 6149] <... write resumed>) = 18 [pid 6150] setpgid(0, 0 [pid 6147] <... write resumed>) = 18 [pid 6151] set_robust_list(0x555559802660, 24executing program executing program executing program [pid 6147] perf_event_open( [pid 6149] perf_event_open( [pid 6148] write(1, "executing program\n", 18 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6151 [pid 6151] <... set_robust_list resumed>) = 0 [pid 6150] <... setpgid resumed>) = 0 [pid 6148] <... write resumed>) = 18 [pid 6151] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6147] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6148] perf_event_open( [pid 6151] <... prctl resumed>) = 0 [pid 6150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6149] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6148] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6151] setpgid(0, 0) = 0 [pid 6151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6148] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6150] <... openat resumed>) = 3 [pid 6147] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6150] write(3, "1000", 4 [pid 6149] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6150] <... write resumed>) = 4 [pid 6147] <... bpf resumed>) = 4 [pid 6148] <... bpf resumed>) = 4 [pid 6148] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6151] <... openat resumed>) = 3 [pid 6150] close(3 [pid 6149] <... bpf resumed>) = 4 [pid 6147] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6148] <... bpf resumed>) = 5 [pid 6148] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6151] write(3, "1000", 4 [pid 6150] <... close resumed>) = 0 [pid 6149] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6147] <... bpf resumed>) = 5 [pid 6148] <... bpf resumed>) = 6 [pid 6150] write(1, "executing program\n", 18executing program [pid 6151] <... write resumed>) = 4 [pid 6151] close(3 [pid 6150] <... write resumed>) = 18 [pid 6151] <... close resumed>) = 0 [pid 6150] perf_event_open(executing program [pid 6151] write(1, "executing program\n", 18 [pid 6150] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6149] <... bpf resumed>) = 5 [pid 6147] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6148] perf_event_open( [pid 6151] <... write resumed>) = 18 [pid 6151] perf_event_open( [pid 6147] <... bpf resumed>) = 6 [pid 6151] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6150] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6149] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6147] perf_event_open( [pid 6148] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6150] <... bpf resumed>) = 4 [pid 6151] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6150] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6149] <... bpf resumed>) = 6 [pid 6147] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6151] <... bpf resumed>) = 4 [pid 6148] exit_group(0 [pid 6151] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6149] perf_event_open( [pid 6147] exit_group(0 [pid 6148] <... exit_group resumed>) = ? [pid 6150] <... bpf resumed>) = 5 [pid 6149] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6150] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6151] <... bpf resumed>) = 5 [pid 6149] exit_group(0 [pid 6147] <... exit_group resumed>) = ? [pid 6148] +++ exited with 0 +++ [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6148, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6151] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6150] <... bpf resumed>) = 6 [pid 6149] <... exit_group resumed>) = ? [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6151] <... bpf resumed>) = 6 ./strace-static-x86_64: Process 6152 attached [pid 6151] perf_event_open( [pid 6150] perf_event_open( [pid 6152] set_robust_list(0x555559802660, 24 [pid 6151] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6152] <... set_robust_list resumed>) = 0 [pid 6152] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6150] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6152] <... prctl resumed>) = 0 [pid 6152] setpgid(0, 0) = 0 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6152 [pid 6152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6152] write(3, "1000", 4 [pid 6151] exit_group(0 [pid 6150] exit_group(0 [pid 6149] +++ exited with 0 +++ [pid 6147] +++ exited with 0 +++ [pid 6152] <... write resumed>) = 4 [pid 6152] close(3) = 0 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6149, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6150] <... exit_group resumed>) = ? [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6147, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6152] write(1, "executing program\n", 18executing program [pid 6151] <... exit_group resumed>) = ? [pid 6152] <... write resumed>) = 18 [pid 6152] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6152] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 4 [pid 6151] +++ exited with 0 +++ [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6152] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148./strace-static-x86_64: Process 6154 attached [pid 6150] +++ exited with 0 +++ ./strace-static-x86_64: Process 6153 attached [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6151, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6153] set_robust_list(0x555559802660, 24 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6150, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6154 [pid 6154] set_robust_list(0x555559802660, 24 [pid 6153] <... set_robust_list resumed>) = 0 [pid 6152] <... bpf resumed>) = 5 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6153 ./strace-static-x86_64: Process 6155 attached [pid 6154] <... set_robust_list resumed>) = 0 [pid 6153] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6152] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6155] set_robust_list(0x555559802660, 24 [pid 6154] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6155 [pid 6155] <... set_robust_list resumed>) = 0 [pid 6153] <... prctl resumed>) = 0 [pid 5871] <... restart_syscall resumed>) = 0 [pid 6155] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6154] <... prctl resumed>) = 0 [pid 6152] <... bpf resumed>) = 6 [pid 6155] <... prctl resumed>) = 0 [pid 6154] setpgid(0, 0 [pid 6153] setpgid(0, 0 [pid 6152] perf_event_open( [pid 6155] setpgid(0, 0 [pid 6152] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6155] <... setpgid resumed>) = 0 [pid 6154] <... setpgid resumed>) = 0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 6156 attached [pid 6154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6155] write(3, "1000", 4 [pid 6153] <... setpgid resumed>) = 0 [pid 6152] exit_group(0 [pid 6156] set_robust_list(0x555559802660, 24) = 0 [pid 6156] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6155] <... write resumed>) = 4 [pid 6154] <... openat resumed>) = 3 [pid 6153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6152] <... exit_group resumed>) = ? [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6156 [pid 6155] close(3 [pid 6156] setpgid(0, 0 [pid 6155] <... close resumed>) = 0 [pid 6154] write(3, "1000", 4 [pid 6153] <... openat resumed>) = 3 executing program [pid 6155] write(1, "executing program\n", 18) = 18 [pid 6153] write(3, "1000", 4 [pid 6156] <... setpgid resumed>) = 0 [pid 6155] perf_event_open( [pid 6154] <... write resumed>) = 4 [pid 6153] <... write resumed>) = 4 [pid 6156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6154] close(3 [pid 6156] <... openat resumed>) = 3 [pid 6154] <... close resumed>) = 0 executing program [pid 6153] close(3 [pid 6156] write(3, "1000", 4 [pid 6154] write(1, "executing program\n", 18 [pid 6156] <... write resumed>) = 4 [pid 6154] <... write resumed>) = 18 [pid 6153] <... close resumed>) = 0 [pid 6156] close(3 [pid 6154] perf_event_open( [pid 6156] <... close resumed>) = 0 executing program executing program [pid 6153] write(1, "executing program\n", 18 [pid 6156] write(1, "executing program\n", 18) = 18 [pid 6153] <... write resumed>) = 18 [pid 6156] perf_event_open( [pid 6153] perf_event_open( [pid 6155] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6152] +++ exited with 0 +++ [pid 6155] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6156] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6154] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6153] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6156] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6154] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6152, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6156] <... bpf resumed>) = 4 [pid 6155] <... bpf resumed>) = 4 [pid 6153] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5874] restart_syscall(<... resuming interrupted clone ...> [pid 6156] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6155] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6154] <... bpf resumed>) = 4 [pid 6153] <... bpf resumed>) = 4 [pid 5874] <... restart_syscall resumed>) = 0 [pid 6153] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6156] <... bpf resumed>) = 5 [pid 6153] <... bpf resumed>) = 5 [pid 6155] <... bpf resumed>) = 5 [pid 6154] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6156] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6155] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6154] <... bpf resumed>) = 5 [pid 6153] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6156] <... bpf resumed>) = 6 [pid 6155] <... bpf resumed>) = 6 [pid 6154] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6153] <... bpf resumed>) = 6 [pid 6154] <... bpf resumed>) = 6 [pid 6153] perf_event_open(./strace-static-x86_64: Process 6157 attached [pid 6156] perf_event_open( [pid 6155] perf_event_open( [pid 6154] perf_event_open( [pid 6153] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6157] set_robust_list(0x555559802660, 24 [pid 6156] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6157] <... set_robust_list resumed>) = 0 [pid 6155] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6157 [pid 6157] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6156] exit_group(0 [pid 6155] exit_group(0 [pid 6154] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6157] <... prctl resumed>) = 0 [pid 6153] exit_group(0 [pid 6157] setpgid(0, 0) = 0 [pid 6155] <... exit_group resumed>) = ? [pid 6157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6156] <... exit_group resumed>) = ? [pid 6154] exit_group(0 [pid 6153] <... exit_group resumed>) = ? [pid 6157] write(3, "1000", 4 [pid 6155] +++ exited with 0 +++ [pid 6154] <... exit_group resumed>) = ? [pid 6157] <... write resumed>) = 4 [pid 6156] +++ exited with 0 +++ [pid 6153] +++ exited with 0 +++ [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6153, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6157] close(3 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6155, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6156, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6157] <... close resumed>) = 0 executing program [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 6157] write(1, "executing program\n", 18) = 18 [pid 5873] <... restart_syscall resumed>) = 0 [pid 6157] perf_event_open( [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6158 attached [pid 6157] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6158] set_robust_list(0x555559802660, 24./strace-static-x86_64: Process 6159 attached ) = 0 [pid 6157] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6154] +++ exited with 0 +++ [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6159] set_robust_list(0x555559802660, 24 [pid 6158] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6154, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6158 [pid 6158] setpgid(0, 0 [pid 6159] <... set_robust_list resumed>) = 0 [pid 6158] <... setpgid resumed>) = 0 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6159 ./strace-static-x86_64: Process 6160 attached [pid 6159] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6157] <... bpf resumed>) = 4 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6161 attached [pid 6160] set_robust_list(0x555559802660, 24 [pid 6159] <... prctl resumed>) = 0 [pid 6157] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6160 [pid 6161] set_robust_list(0x555559802660, 24 [pid 6160] <... set_robust_list resumed>) = 0 [pid 6159] setpgid(0, 0 [pid 6160] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6161] <... set_robust_list resumed>) = 0 [pid 6160] <... prctl resumed>) = 0 [pid 6159] <... setpgid resumed>) = 0 [pid 6158] <... openat resumed>) = 3 [pid 6157] <... bpf resumed>) = 5 [pid 6161] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6160] setpgid(0, 0 [pid 6159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6158] write(3, "1000", 4 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6161 [pid 6161] setpgid(0, 0 [pid 6160] <... setpgid resumed>) = 0 [pid 6158] <... write resumed>) = 4 [pid 6161] <... setpgid resumed>) = 0 [pid 6160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6158] close(3 [pid 6157] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6160] <... openat resumed>) = 3 [pid 6159] <... openat resumed>) = 3 [pid 6158] <... close resumed>) = 0 [pid 6161] <... openat resumed>) = 3 [pid 6158] write(1, "executing program\n", 18executing program [pid 6160] write(3, "1000", 4 [pid 6158] <... write resumed>) = 18 [pid 6161] write(3, "1000", 4 [pid 6160] <... write resumed>) = 4 [pid 6159] write(3, "1000", 4 [pid 6158] perf_event_open( [pid 6161] <... write resumed>) = 4 [pid 6160] close(3 [pid 6159] <... write resumed>) = 4 [pid 6157] <... bpf resumed>) = 6 [pid 6161] close(3 [pid 6160] <... close resumed>) = 0 [pid 6159] close(3 [pid 6158] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6161] <... close resumed>) = 0 executing program [pid 6160] write(1, "executing program\n", 18 [pid 6159] <... close resumed>) = 0 [pid 6157] perf_event_open(executing program [pid 6161] write(1, "executing program\n", 18 [pid 6160] <... write resumed>) = 18 executing program [pid 6159] write(1, "executing program\n", 18 [pid 6158] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6157] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6161] <... write resumed>) = 18 [pid 6160] perf_event_open( [pid 6159] <... write resumed>) = 18 [pid 6157] exit_group(0 [pid 6161] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6157] <... exit_group resumed>) = ? [pid 6161] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6160] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6159] perf_event_open( [pid 6158] <... bpf resumed>) = 4 [pid 6161] <... bpf resumed>) = 4 [pid 6159] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6157] +++ exited with 0 +++ [pid 6160] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6161] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6159] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6158] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6161] <... bpf resumed>) = 5 [pid 6160] <... bpf resumed>) = 4 [pid 6159] <... bpf resumed>) = 4 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6157, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6161] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6159] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6160] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6159] <... bpf resumed>) = 5 [pid 5874] restart_syscall(<... resuming interrupted clone ...> [pid 6161] <... bpf resumed>) = 6 [pid 5874] <... restart_syscall resumed>) = 0 [pid 6161] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6161] exit_group(0) = ? [pid 6160] <... bpf resumed>) = 5 [pid 6159] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6158] <... bpf resumed>) = 5 [pid 6159] <... bpf resumed>) = 6 [pid 6158] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24) = 6 [pid 6161] +++ exited with 0 +++ [pid 6160] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6159] perf_event_open( [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6158] perf_event_open( [pid 6160] <... bpf resumed>) = 6 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6161, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6158] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5870] restart_syscall(<... resuming interrupted clone ...> [pid 6160] perf_event_open(./strace-static-x86_64: Process 6162 attached [pid 6159] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6158] exit_group(0 [pid 6162] set_robust_list(0x555559802660, 24 [pid 6160] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6158] <... exit_group resumed>) = ? [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6162 [pid 6159] exit_group(0 [pid 6162] <... set_robust_list resumed>) = 0 [pid 6160] exit_group(0 [pid 6159] <... exit_group resumed>) = ? [pid 6162] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6158] +++ exited with 0 +++ [pid 5870] <... restart_syscall resumed>) = 0 [pid 6160] <... exit_group resumed>) = ? [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6158, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6163 attached [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6164 attached [pid 6163] set_robust_list(0x555559802660, 24 [pid 6162] <... prctl resumed>) = 0 [pid 6164] set_robust_list(0x555559802660, 24 [pid 6163] <... set_robust_list resumed>) = 0 [pid 6162] setpgid(0, 0 [pid 6160] +++ exited with 0 +++ [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6163 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6164 [pid 6164] <... set_robust_list resumed>) = 0 [pid 6163] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6160, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6163] <... prctl resumed>) = 0 [pid 6162] <... setpgid resumed>) = 0 [pid 6164] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6163] setpgid(0, 0 [pid 6164] <... prctl resumed>) = 0 [pid 6163] <... setpgid resumed>) = 0 [pid 6162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6164] setpgid(0, 0 [pid 6163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6164] <... setpgid resumed>) = 0 [pid 6163] <... openat resumed>) = 3 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6163] write(3, "1000", 4 [pid 6162] <... openat resumed>) = 3 [pid 6164] <... openat resumed>) = 3 [pid 6164] write(3, "1000", 4 [pid 6162] write(3, "1000", 4 [pid 6164] <... write resumed>) = 4 [pid 6162] <... write resumed>) = 4 [pid 6164] close(3) = 0 [pid 6162] close(3 [pid 6164] write(1, "executing program\n", 18executing program [pid 6162] <... close resumed>) = 0 ./strace-static-x86_64: Process 6165 attached [pid 6164] <... write resumed>) = 18 executing program [pid 6165] set_robust_list(0x555559802660, 24 [pid 6163] <... write resumed>) = 4 [pid 6162] write(1, "executing program\n", 18 [pid 6165] <... set_robust_list resumed>) = 0 [pid 6164] perf_event_open( [pid 6162] <... write resumed>) = 18 [pid 6165] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6163] close(3 [pid 6162] perf_event_open( [pid 6163] <... close resumed>) = 0 [pid 6165] <... prctl resumed>) = 0 executing program [pid 6163] write(1, "executing program\n", 18 [pid 6165] setpgid(0, 0) = 0 [pid 6163] <... write resumed>) = 18 [pid 6159] +++ exited with 0 +++ [pid 6165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6163] perf_event_open( [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6165 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6159, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6165] <... openat resumed>) = 3 [pid 6164] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6163] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6162] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6164] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6165] write(3, "1000", 4 [pid 6163] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6162] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6165] <... write resumed>) = 4 [pid 6164] <... bpf resumed>) = 4 [pid 6163] <... bpf resumed>) = 4 [pid 6162] <... bpf resumed>) = 4 [pid 5871] <... restart_syscall resumed>) = 0 [pid 6165] close(3 [pid 6164] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6165] <... close resumed>) = 0 [pid 6163] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6162] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6165] write(1, "executing program\n", 18 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6166 attached [pid 6163] <... bpf resumed>) = 5 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6166 [pid 6166] set_robust_list(0x555559802660, 24) = 0 [pid 6166] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program ) = 0 [pid 6165] <... write resumed>) = 18 [pid 6164] <... bpf resumed>) = 5 [pid 6163] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6162] <... bpf resumed>) = 5 [pid 6166] setpgid(0, 0 [pid 6165] perf_event_open( [pid 6164] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6166] <... setpgid resumed>) = 0 [pid 6164] <... bpf resumed>) = 6 [pid 6163] <... bpf resumed>) = 6 [pid 6166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6165] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6163] perf_event_open( [pid 6162] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6166] <... openat resumed>) = 3 [pid 6163] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 executing program [pid 6166] write(3, "1000", 4 [pid 6162] <... bpf resumed>) = 6 [pid 6165] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6164] perf_event_open( [pid 6166] <... write resumed>) = 4 [pid 6166] close(3) = 0 [pid 6166] write(1, "executing program\n", 18) = 18 [pid 6166] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6166] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6165] <... bpf resumed>) = 4 [pid 6164] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6163] exit_group(0 [pid 6162] perf_event_open( [pid 6166] <... bpf resumed>) = 4 [pid 6165] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6164] exit_group(0 [pid 6163] <... exit_group resumed>) = ? [pid 6162] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6166] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6165] <... bpf resumed>) = 5 [pid 6164] <... exit_group resumed>) = ? [pid 6165] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24) = 6 [pid 6165] perf_event_open({type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6166] <... bpf resumed>) = 5 [pid 6164] +++ exited with 0 +++ [pid 6163] +++ exited with 0 +++ [pid 6162] exit_group(0 [pid 6166] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6165] exit_group(0 [pid 6162] <... exit_group resumed>) = ? [pid 6166] <... bpf resumed>) = 6 [pid 6165] <... exit_group resumed>) = ? [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6163, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6164, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6162] +++ exited with 0 +++ [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6166] perf_event_open( [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6162, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6166] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5874] restart_syscall(<... resuming interrupted clone ...> [pid 6166] exit_group(0 [pid 6165] +++ exited with 0 +++ [pid 5874] <... restart_syscall resumed>) = 0 [pid 5868] <... restart_syscall resumed>) = 0 [pid 6166] <... exit_group resumed>) = ? [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6165, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6167 attached [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6167] set_robust_list(0x555559802660, 24) = 0 [pid 6167] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6169 attached ./strace-static-x86_64: Process 6168 attached ) = 0 [pid 6169] set_robust_list(0x555559802660, 24 [pid 6168] set_robust_list(0x555559802660, 24 [pid 6167] setpgid(0, 0 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6168 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6167 [pid 6169] <... set_robust_list resumed>) = 0 [pid 6168] <... set_robust_list resumed>) = 0 [pid 6167] <... setpgid resumed>) = 0 [pid 6169] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6168] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6169 [pid 6167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6169] <... prctl resumed>) = 0 [pid 6168] <... prctl resumed>) = 0 [pid 6167] <... openat resumed>) = 3 [pid 6168] setpgid(0, 0) = 0 [pid 6168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 6170 attached [pid 6169] setpgid(0, 0 [pid 6167] write(3, "1000", 4 [pid 6166] +++ exited with 0 +++ [pid 6170] set_robust_list(0x555559802660, 24 [pid 6169] <... setpgid resumed>) = 0 [pid 6168] write(3, "1000", 4 [pid 6167] <... write resumed>) = 4 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6170 [pid 6167] close(3) = 0 [pid 6168] <... write resumed>) = 4 [pid 6167] write(1, "executing program\n", 18 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6166, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 6170] <... set_robust_list resumed>) = 0 [pid 6169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6168] close(3 [pid 6167] <... write resumed>) = 18 [pid 6170] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6168] <... close resumed>) = 0 [pid 6167] perf_event_open(./strace-static-x86_64: Process 6171 attached [pid 6170] <... prctl resumed>) = 0 [pid 6171] set_robust_list(0x555559802660, 24 [pid 6170] setpgid(0, 0 [pid 6169] <... openat resumed>) = 3 executing program [pid 6168] write(1, "executing program\n", 18 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6171 [pid 6171] <... set_robust_list resumed>) = 0 [pid 6170] <... setpgid resumed>) = 0 [pid 6168] <... write resumed>) = 18 [pid 6167] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6169] write(3, "1000", 4 [pid 6168] perf_event_open( [pid 6171] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6169] <... write resumed>) = 4 [pid 6167] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6171] <... prctl resumed>) = 0 [pid 6170] <... openat resumed>) = 3 [pid 6169] close(3 [pid 6168] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6167] <... bpf resumed>) = 4 [pid 6171] setpgid(0, 0 [pid 6169] <... close resumed>) = 0 [pid 6171] <... setpgid resumed>) = 0 executing program [pid 6169] write(1, "executing program\n", 18 [pid 6171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6170] write(3, "1000", 4 [pid 6169] <... write resumed>) = 18 [pid 6168] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6167] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6171] <... openat resumed>) = 3 [pid 6170] <... write resumed>) = 4 [pid 6169] perf_event_open( [pid 6168] <... bpf resumed>) = 4 [pid 6171] write(3, "1000", 4 [pid 6170] close(3 [pid 6171] <... write resumed>) = 4 [pid 6171] close(3 [pid 6170] <... close resumed>) = 0 [pid 6169] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 executing program [pid 6168] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6171] <... close resumed>) = 0 [pid 6170] write(1, "executing program\n", 18 [pid 6169] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6167] <... bpf resumed>) = 5 [pid 6170] <... write resumed>) = 18 executing program [pid 6171] write(1, "executing program\n", 18) = 18 [pid 6167] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6171] perf_event_open( [pid 6167] <... bpf resumed>) = 6 [pid 6170] perf_event_open( [pid 6169] <... bpf resumed>) = 4 [pid 6167] perf_event_open( [pid 6169] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6167] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6171] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6167] exit_group(0 [pid 6171] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6170] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6169] <... bpf resumed>) = 5 [pid 6168] <... bpf resumed>) = 5 [pid 6167] <... exit_group resumed>) = ? [pid 6171] <... bpf resumed>) = 4 [pid 6170] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6169] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6168] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6171] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148) = 5 [pid 6170] <... bpf resumed>) = 4 [pid 6169] <... bpf resumed>) = 6 [pid 6168] <... bpf resumed>) = 6 [pid 6167] +++ exited with 0 +++ [pid 6171] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6170] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6169] perf_event_open( [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6167, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6171] <... bpf resumed>) = 6 [pid 6169] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6168] perf_event_open( [pid 6171] perf_event_open( [pid 6168] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6170] <... bpf resumed>) = 5 [pid 6168] exit_group(0 [pid 6169] exit_group(0 [pid 6171] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6169] <... exit_group resumed>) = ? [pid 6168] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6172 attached [pid 6171] exit_group(0 [pid 6168] +++ exited with 0 +++ [pid 6172] set_robust_list(0x555559802660, 24 [pid 6171] <... exit_group resumed>) = ? [pid 6170] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6172] <... set_robust_list resumed>) = 0 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6172 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6168, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6170] <... bpf resumed>) = 6 [pid 6172] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5870] restart_syscall(<... resuming interrupted clone ...> [pid 6170] perf_event_open( [pid 6172] <... prctl resumed>) = 0 [pid 6169] +++ exited with 0 +++ [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6169, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6172] setpgid(0, 0 [pid 6171] +++ exited with 0 +++ [pid 6170] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5870] <... restart_syscall resumed>) = 0 [pid 6172] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6173 attached [pid 6172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6170] exit_group(0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6171, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6173] set_robust_list(0x555559802660, 24 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6173] <... set_robust_list resumed>) = 0 [pid 6170] <... exit_group resumed>) = ? [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6173 [pid 6173] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6175 attached [pid 6172] <... openat resumed>) = 3 [pid 6173] <... prctl resumed>) = 0 [pid 6173] setpgid(0, 0 [pid 6175] set_robust_list(0x555559802660, 24 [pid 6173] <... setpgid resumed>) = 0 [pid 6175] <... set_robust_list resumed>) = 0 [pid 6173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6175] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6175 [pid 6173] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6174 attached [pid 6175] <... prctl resumed>) = 0 [pid 6173] write(3, "1000", 4 [pid 6172] write(3, "1000", 4 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6174 [pid 6175] setpgid(0, 0 [pid 6174] set_robust_list(0x555559802660, 24 [pid 6175] <... setpgid resumed>) = 0 [pid 6174] <... set_robust_list resumed>) = 0 [pid 6175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6173] <... write resumed>) = 4 [pid 6172] <... write resumed>) = 4 [pid 6173] close(3 [pid 6175] <... openat resumed>) = 3 [pid 6174] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 executing program [pid 6175] write(3, "1000", 4 [pid 6174] setpgid(0, 0 [pid 6173] <... close resumed>) = 0 [pid 6173] write(1, "executing program\n", 18 [pid 6172] close(3 [pid 6175] <... write resumed>) = 4 [pid 6174] <... setpgid resumed>) = 0 [pid 6175] close(3 [pid 6174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6173] <... write resumed>) = 18 [pid 6172] <... close resumed>) = 0 [pid 6175] <... close resumed>) = 0 [pid 6174] <... openat resumed>) = 3 [pid 6173] perf_event_open( executing program executing program [pid 6172] write(1, "executing program\n", 18 [pid 6175] write(1, "executing program\n", 18 [pid 6172] <... write resumed>) = 18 [pid 6175] <... write resumed>) = 18 [pid 6174] write(3, "1000", 4 [pid 6172] perf_event_open( [pid 6174] <... write resumed>) = 4 [pid 6174] close(3 [pid 6175] perf_event_open( [pid 6174] <... close resumed>) = 0 executing program [pid 6174] write(1, "executing program\n", 18) = 18 [pid 6174] perf_event_open( [pid 6170] +++ exited with 0 +++ [pid 6173] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6170, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6173] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6175] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 6175] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6173] <... bpf resumed>) = 4 [pid 6172] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6175] <... bpf resumed>) = 4 [pid 6174] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6173] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6172] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6175] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6174] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6172] <... bpf resumed>) = 4 [pid 6174] <... bpf resumed>) = 4 [pid 6173] <... bpf resumed>) = 5 [pid 6172] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6175] <... bpf resumed>) = 5 [pid 6174] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6173] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6172] <... bpf resumed>) = 5 [pid 5873] <... restart_syscall resumed>) = 0 [pid 6173] <... bpf resumed>) = 6 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6176 attached [pid 6173] perf_event_open( [pid 6176] set_robust_list(0x555559802660, 24 [pid 6174] <... bpf resumed>) = 5 [pid 6176] <... set_robust_list resumed>) = 0 [pid 6175] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6173] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6172] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6176] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6175] <... bpf resumed>) = 6 [pid 6174] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6173] exit_group(0 [pid 6176] <... prctl resumed>) = 0 [pid 6175] perf_event_open( [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6176 [pid 6176] setpgid(0, 0 [pid 6175] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6174] <... bpf resumed>) = 6 [pid 6173] <... exit_group resumed>) = ? [pid 6172] <... bpf resumed>) = 6 [pid 6176] <... setpgid resumed>) = 0 [pid 6174] perf_event_open( [pid 6172] perf_event_open( [pid 6174] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6174] exit_group(0 [pid 6172] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6175] exit_group(0 [pid 6174] <... exit_group resumed>) = ? [pid 6173] +++ exited with 0 +++ [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6173, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6176] <... openat resumed>) = 3 [pid 6175] <... exit_group resumed>) = ? [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6172] exit_group(0 [pid 5868] <... restart_syscall resumed>) = 0 [pid 6174] +++ exited with 0 +++ [pid 6172] <... exit_group resumed>) = ? [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6176] write(3, "1000", 4 [pid 6175] +++ exited with 0 +++ [pid 6176] <... write resumed>) = 4 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6174, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6176] close(3 [pid 5870] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6177 attached [pid 6176] <... close resumed>) = 0 executing program [pid 5870] <... restart_syscall resumed>) = 0 [pid 6176] write(1, "executing program\n", 18 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6175, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6177] set_robust_list(0x555559802660, 24 [pid 6176] <... write resumed>) = 18 [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6177] <... set_robust_list resumed>) = 0 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6177 [pid 6176] perf_event_open( [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6177] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 6178 attached [pid 6177] setpgid(0, 0) = 0 [pid 6178] set_robust_list(0x555559802660, 24 [pid 6177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6178 [pid 6178] <... set_robust_list resumed>) = 0 [pid 6178] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6178] setpgid(0, 0) = 0 [pid 6178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5871] <... restart_syscall resumed>) = 0 [pid 6178] <... openat resumed>) = 3 [pid 6178] write(3, "1000", 4 [pid 6177] <... openat resumed>) = 3 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6178] <... write resumed>) = 4 [pid 6176] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6172] +++ exited with 0 +++ [pid 6178] close(3 [pid 6177] write(3, "1000", 4 [pid 6176] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6172, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6179 attached [pid 6178] <... close resumed>) = 0 [pid 6177] <... write resumed>) = 4 [pid 6176] <... bpf resumed>) = 4 [pid 5874] restart_syscall(<... resuming interrupted clone ...> executing program [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6179 [pid 6179] set_robust_list(0x555559802660, 24 [pid 6178] write(1, "executing program\n", 18 [pid 6177] close(3 [pid 6176] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6179] <... set_robust_list resumed>) = 0 [pid 6178] <... write resumed>) = 18 [pid 6177] <... close resumed>) = 0 [pid 6179] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6177] write(1, "executing program\n", 18 [pid 6178] perf_event_open(executing program [pid 6177] <... write resumed>) = 18 [pid 6176] <... bpf resumed>) = 5 [pid 6179] <... prctl resumed>) = 0 [pid 6178] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6177] perf_event_open( [pid 6179] setpgid(0, 0 [pid 6176] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6179] <... setpgid resumed>) = 0 [pid 6178] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6176] <... bpf resumed>) = 6 [pid 6179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6177] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6178] <... bpf resumed>) = 4 [pid 6177] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6179] <... openat resumed>) = 3 [pid 6178] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6177] <... bpf resumed>) = 4 [pid 6176] perf_event_open( [pid 6179] write(3, "1000", 4 [pid 5874] <... restart_syscall resumed>) = 0 [pid 6177] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6179] <... write resumed>) = 4 [pid 6178] <... bpf resumed>) = 5 [pid 6177] <... bpf resumed>) = 5 [pid 6176] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6179] close(3 [pid 6178] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6177] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 executing program [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6179] <... close resumed>) = 0 [pid 6178] <... bpf resumed>) = 6 [pid 6176] exit_group(0 [pid 6179] write(1, "executing program\n", 18) = 18 [pid 6176] <... exit_group resumed>) = ? [pid 6179] perf_event_open( [pid 6178] perf_event_open(./strace-static-x86_64: Process 6180 attached [pid 6177] <... bpf resumed>) = 6 [pid 6177] perf_event_open( [pid 6180] set_robust_list(0x555559802660, 24 [pid 6179] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6178] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6177] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6180] <... set_robust_list resumed>) = 0 [pid 6179] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6180] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6179] <... bpf resumed>) = 4 [pid 6178] exit_group(0 [pid 6176] +++ exited with 0 +++ [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6180 [pid 6180] <... prctl resumed>) = 0 [pid 6179] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6180] setpgid(0, 0 [pid 6179] <... bpf resumed>) = 5 [pid 6178] <... exit_group resumed>) = ? [pid 6180] <... setpgid resumed>) = 0 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6176, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 6177] exit_group(0 [pid 6180] <... openat resumed>) = 3 [pid 6179] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6178] +++ exited with 0 +++ [pid 5873] <... restart_syscall resumed>) = 0 [pid 6180] write(3, "1000", 4) = 4 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6178, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6180] close(3 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 6180] <... close resumed>) = 0 [pid 6179] <... bpf resumed>) = 6 [pid 6177] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6181 attached [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6180] write(1, "executing program\n", 18 [pid 6181] set_robust_list(0x555559802660, 24 [pid 6180] <... write resumed>) = 18 [pid 6181] <... set_robust_list resumed>) = 0 [pid 6180] perf_event_open( [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6181 ./strace-static-x86_64: Process 6182 attached [pid 6181] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6180] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6182] set_robust_list(0x555559802660, 24 [pid 6181] <... prctl resumed>) = 0 [pid 6182] <... set_robust_list resumed>) = 0 [pid 6181] setpgid(0, 0 [pid 6180] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6182] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6181] <... setpgid resumed>) = 0 [pid 6180] <... bpf resumed>) = 4 [pid 6182] setpgid(0, 0 [pid 6181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6180] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6182] <... setpgid resumed>) = 0 [pid 6181] <... openat resumed>) = 3 [pid 6179] perf_event_open( [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6182 [pid 6179] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6177] +++ exited with 0 +++ [pid 6179] exit_group(0 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6177, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6180] <... bpf resumed>) = 5 [pid 6179] <... exit_group resumed>) = ? [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6181] write(3, "1000", 4 [pid 6180] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6182] <... openat resumed>) = 3 [pid 6181] <... write resumed>) = 4 [pid 5868] <... restart_syscall resumed>) = 0 [pid 6182] write(3, "1000", 4 [pid 6181] close(3 [pid 6180] <... bpf resumed>) = 6 [pid 6182] <... write resumed>) = 4 [pid 6181] <... close resumed>) = 0 [pid 6179] +++ exited with 0 +++ executing program [pid 6182] close(3 [pid 6181] write(1, "executing program\n", 18 [pid 6180] perf_event_open( [pid 6182] <... close resumed>) = 0 [pid 6181] <... write resumed>) = 18 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6179, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 6182] write(1, "executing program\n", 18 [pid 6181] perf_event_open( [pid 6180] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6183 attached [pid 6182] <... write resumed>) = 18 [pid 6181] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6182] perf_event_open( [pid 6181] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6180] exit_group(0./strace-static-x86_64: Process 6184 attached [pid 6183] set_robust_list(0x555559802660, 24 [pid 6182] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6181] <... bpf resumed>) = 4 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6183 [pid 6183] <... set_robust_list resumed>) = 0 [pid 6183] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6182] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6181] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6182] <... bpf resumed>) = 4 [pid 6180] <... exit_group resumed>) = ? [pid 6184] set_robust_list(0x555559802660, 24 [pid 6183] <... prctl resumed>) = 0 [pid 6182] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6184 [pid 6184] <... set_robust_list resumed>) = 0 [pid 6183] setpgid(0, 0 [pid 6184] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6183] <... setpgid resumed>) = 0 [pid 6181] <... bpf resumed>) = 5 [pid 6184] <... prctl resumed>) = 0 [pid 6183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6182] <... bpf resumed>) = 5 [pid 6181] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6180] +++ exited with 0 +++ [pid 6183] <... openat resumed>) = 3 [pid 6182] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6184] setpgid(0, 0 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6180, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6185 attached [pid 6184] <... setpgid resumed>) = 0 [pid 6183] write(3, "1000", 4 [pid 6182] <... bpf resumed>) = 6 [pid 6181] <... bpf resumed>) = 6 [pid 6185] set_robust_list(0x555559802660, 24 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6185 [pid 6185] <... set_robust_list resumed>) = 0 [pid 6185] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6183] <... write resumed>) = 4 [pid 6183] close(3 [pid 6182] perf_event_open( [pid 6181] perf_event_open( [pid 6183] <... close resumed>) = 0 [pid 6185] <... prctl resumed>) = 0 [pid 6185] setpgid(0, 0 [pid 6181] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6185] <... setpgid resumed>) = 0 [pid 6185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6185] write(3, "1000", 4 [pid 6184] <... openat resumed>) = 3 executing program [pid 6183] write(1, "executing program\n", 18 [pid 6182] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6181] exit_group(0 [pid 6183] <... write resumed>) = 18 [pid 6185] <... write resumed>) = 4 [pid 6184] write(3, "1000", 4 [pid 6183] perf_event_open( [pid 6181] <... exit_group resumed>) = ? [pid 6185] close(3 [pid 6184] <... write resumed>) = 4 [pid 6183] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6182] exit_group(0executing program executing program [pid 6183] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6185] <... close resumed>) = 0 [pid 6184] close(3 [pid 6185] write(1, "executing program\n", 18 [pid 6184] <... close resumed>) = 0 [pid 6185] <... write resumed>) = 18 [pid 6184] write(1, "executing program\n", 18 [pid 6185] perf_event_open( [pid 6184] <... write resumed>) = 18 [pid 6183] <... bpf resumed>) = 4 [pid 6182] <... exit_group resumed>) = ? [pid 6185] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6184] perf_event_open( [pid 6183] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6181] +++ exited with 0 +++ [pid 6185] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6184] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6181, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6185] <... bpf resumed>) = 4 [pid 5870] restart_syscall(<... resuming interrupted clone ...> [pid 6185] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6184] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6183] <... bpf resumed>) = 5 [pid 6182] +++ exited with 0 +++ [pid 6184] <... bpf resumed>) = 4 [pid 6183] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6182, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6185] <... bpf resumed>) = 5 [pid 6184] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6185] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6183] <... bpf resumed>) = 6 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5870] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6186 attached [pid 6184] <... bpf resumed>) = 5 [pid 6186] set_robust_list(0x555559802660, 24 [pid 6185] <... bpf resumed>) = 6 [pid 6183] perf_event_open( [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6186 [pid 6186] <... set_robust_list resumed>) = 0 [pid 6185] perf_event_open( [pid 6184] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6183] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6186] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6185] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6184] <... bpf resumed>) = 6 [pid 6183] exit_group(0./strace-static-x86_64: Process 6187 attached [pid 6187] set_robust_list(0x555559802660, 24 [pid 6186] <... prctl resumed>) = 0 [pid 6184] perf_event_open( [pid 6183] <... exit_group resumed>) = ? [pid 6187] <... set_robust_list resumed>) = 0 [pid 6186] setpgid(0, 0 [pid 6185] exit_group(0 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6187 [pid 6187] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6186] <... setpgid resumed>) = 0 [pid 6184] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6187] <... prctl resumed>) = 0 [pid 6186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6187] setpgid(0, 0) = 0 [pid 6187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6186] <... openat resumed>) = 3 [pid 6183] +++ exited with 0 +++ [pid 6187] <... openat resumed>) = 3 [pid 6186] write(3, "1000", 4) = 4 [pid 6185] <... exit_group resumed>) = ? [pid 6186] close(3 [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6183, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6186] <... close resumed>) = 0 [pid 5868] restart_syscall(<... resuming interrupted clone ...>executing program executing program [pid 6187] write(3, "1000", 4 [pid 6186] write(1, "executing program\n", 18) = 18 [pid 6186] perf_event_open( [pid 6187] <... write resumed>) = 4 [pid 6186] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6187] close(3 [pid 6186] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6187] <... close resumed>) = 0 [pid 6186] <... bpf resumed>) = 4 [pid 6187] write(1, "executing program\n", 18 [pid 6186] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6184] exit_group(0 [pid 6187] <... write resumed>) = 18 [pid 6185] +++ exited with 0 +++ [pid 5868] <... restart_syscall resumed>) = 0 [pid 6187] perf_event_open( [pid 6184] <... exit_group resumed>) = ? [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6185, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6187] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6186] <... bpf resumed>) = 5 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6187] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6186] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6187] <... bpf resumed>) = 4 [pid 6186] <... bpf resumed>) = 6 ./strace-static-x86_64: Process 6188 attached [pid 6187] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6186] perf_event_open( [pid 6184] +++ exited with 0 +++ [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6188 [pid 6188] set_robust_list(0x555559802660, 24 [pid 6186] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6188] <... set_robust_list resumed>) = 0 [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6184, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6188] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6189 attached ) = 0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6188] setpgid(0, 0 [pid 6187] <... bpf resumed>) = 5 [pid 6189] set_robust_list(0x555559802660, 24 [pid 6186] exit_group(0 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6189 ./strace-static-x86_64: Process 6190 attached [pid 6189] <... set_robust_list resumed>) = 0 [pid 6188] <... setpgid resumed>) = 0 [pid 6187] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6186] <... exit_group resumed>) = ? [pid 6189] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6190] set_robust_list(0x555559802660, 24) = 0 [pid 6190] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6188] write(3, "1000", 4 [pid 6190] <... prctl resumed>) = 0 [pid 6188] <... write resumed>) = 4 [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6190 [pid 6190] setpgid(0, 0 [pid 6188] close(3) = 0 [pid 6190] <... setpgid resumed>) = 0 [pid 6188] write(1, "executing program\n", 18 [pid 6189] <... prctl resumed>) = 0 [pid 6186] +++ exited with 0 +++ [pid 6189] setpgid(0, 0 [pid 6187] <... bpf resumed>) = 6 [pid 6189] <... setpgid resumed>) = 0 executing program [pid 6190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6188] <... write resumed>) = 18 [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6186, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6190] <... openat resumed>) = 3 [pid 6189] <... openat resumed>) = 3 [pid 6188] perf_event_open( [pid 6187] perf_event_open( [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 6190] write(3, "1000", 4 [pid 6189] write(3, "1000", 4 [pid 6188] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6187] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5873] <... restart_syscall resumed>) = 0 [pid 6190] <... write resumed>) = 4 [pid 6189] <... write resumed>) = 4 [pid 6188] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6190] close(3 [pid 6189] close(3 [pid 6187] exit_group(0 [pid 6190] <... close resumed>) = 0 [pid 6189] <... close resumed>) = 0 [pid 6188] <... bpf resumed>) = 4 [pid 6187] <... exit_group resumed>) = ? executing program executing program [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6191 attached [pid 6190] write(1, "executing program\n", 18 [pid 6189] write(1, "executing program\n", 18 [pid 6188] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6191] set_robust_list(0x555559802660, 24 [pid 6190] <... write resumed>) = 18 [pid 6189] <... write resumed>) = 18 [pid 6191] <... set_robust_list resumed>) = 0 [pid 6191] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6188] <... bpf resumed>) = 5 [pid 6191] <... prctl resumed>) = 0 [pid 6187] +++ exited with 0 +++ [pid 6191] setpgid(0, 0 [pid 6190] perf_event_open( [pid 6189] perf_event_open( [pid 6188] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6191 [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6187, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6191] <... setpgid resumed>) = 0 [pid 6190] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6189] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5870] restart_syscall(<... resuming interrupted clone ...> [pid 6191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6190] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6188] <... bpf resumed>) = 6 [pid 6191] <... openat resumed>) = 3 [pid 6190] <... bpf resumed>) = 4 [pid 6189] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5870] <... restart_syscall resumed>) = 0 [pid 6191] write(3, "1000", 4 [pid 6190] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6188] perf_event_open( [pid 6189] <... bpf resumed>) = 4 [pid 6191] <... write resumed>) = 4 [pid 6191] close(3 [pid 6189] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6191] <... close resumed>) = 0 [pid 6189] <... bpf resumed>) = 5 [pid 6188] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5870] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 6191] write(1, "executing program\n", 18) = 18 [pid 6191] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6191] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6188] exit_group(0./strace-static-x86_64: Process 6192 attached [pid 6191] <... bpf resumed>) = 4 [pid 5870] <... clone resumed>, child_tidptr=0x555559802650) = 6192 [pid 6191] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6192] set_robust_list(0x555559802660, 24 [pid 6191] <... bpf resumed>) = 5 [pid 6190] <... bpf resumed>) = 5 [pid 6189] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24) = 6 [pid 6192] <... set_robust_list resumed>) = 0 [pid 6191] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6190] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6189] perf_event_open( [pid 6188] <... exit_group resumed>) = ? [pid 6189] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6192] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6191] <... bpf resumed>) = 6 [pid 6190] <... bpf resumed>) = 6 [pid 6189] exit_group(0 [pid 6192] <... prctl resumed>) = 0 [pid 6192] setpgid(0, 0 [pid 6191] perf_event_open( [pid 6190] perf_event_open( [pid 6192] <... setpgid resumed>) = 0 [pid 6191] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6190] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6189] <... exit_group resumed>) = ? [pid 6191] exit_group(0 [pid 6190] exit_group(0 [pid 6188] +++ exited with 0 +++ [pid 5868] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6188, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5868] restart_syscall(<... resuming interrupted clone ...> [pid 6191] <... exit_group resumed>) = ? [pid 6192] <... openat resumed>) = 3 [pid 6190] <... exit_group resumed>) = ? [pid 6189] +++ exited with 0 +++ [pid 5868] <... restart_syscall resumed>) = 0 [pid 6192] write(3, "1000", 4) = 4 [pid 5874] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6189, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6192] close(3) = 0 executing program [pid 6192] write(1, "executing program\n", 18 [pid 5874] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6192] <... write resumed>) = 18 ./strace-static-x86_64: Process 6193 attached [pid 6192] perf_event_open(./strace-static-x86_64: Process 6194 attached {type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 [pid 6192] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6194] set_robust_list(0x555559802660, 24 [pid 6193] set_robust_list(0x555559802660, 24 [pid 6192] <... bpf resumed>) = 4 [pid 5874] <... clone resumed>, child_tidptr=0x555559802650) = 6194 [pid 5868] <... clone resumed>, child_tidptr=0x555559802650) = 6193 [pid 6194] <... set_robust_list resumed>) = 0 [pid 6193] <... set_robust_list resumed>) = 0 [pid 6190] +++ exited with 0 +++ [pid 6192] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6191] +++ exited with 0 +++ [pid 5871] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6190, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6194] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6193] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5873] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6191, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5871] restart_syscall(<... resuming interrupted clone ...> [pid 6194] <... prctl resumed>) = 0 [pid 6193] <... prctl resumed>) = 0 [pid 5873] restart_syscall(<... resuming interrupted clone ...> [pid 6194] setpgid(0, 0 [pid 6193] setpgid(0, 0 [pid 6194] <... setpgid resumed>) = 0 [pid 6193] <... setpgid resumed>) = 0 [pid 6194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6192] <... bpf resumed>) = 5 [pid 6194] <... openat resumed>) = 3 [pid 6192] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6194] write(3, "1000", 4) = 4 [pid 5871] <... restart_syscall resumed>) = 0 [pid 6194] close(3 [pid 6192] <... bpf resumed>) = 6 [pid 6194] <... close resumed>) = 0 [pid 6192] perf_event_open( [pid 6194] write(1, "executing program\n", 18executing program [pid 6193] <... openat resumed>) = 3 [pid 6192] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 5873] <... restart_syscall resumed>) = 0 [pid 5871] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6194] <... write resumed>) = 18 [pid 6193] write(3, "1000", 4 [pid 6194] perf_event_open( [pid 6192] exit_group(0 [pid 6194] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 ./strace-static-x86_64: Process 6195 attached [pid 6193] <... write resumed>) = 4 [pid 6192] <... exit_group resumed>) = ? [pid 6193] close(3 [pid 6195] set_robust_list(0x555559802660, 24 [pid 6194] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 6193] <... close resumed>) = 0 [pid 6195] <... set_robust_list resumed>) = 0 [pid 6194] <... bpf resumed>) = 4 [pid 6195] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6194] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148executing program [pid 6193] write(1, "executing program\n", 18 [pid 5873] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] <... clone resumed>, child_tidptr=0x555559802650) = 6195 [pid 6195] <... prctl resumed>) = 0 [pid 6193] <... write resumed>) = 18 [pid 6192] +++ exited with 0 +++ [pid 6193] perf_event_open( [pid 5870] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6192, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6193] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=330, sample_period=4, sample_type=PERF_SAMPLE_TIME|PERF_SAMPLE_CALLCHAIN|PERF_SAMPLE_STREAM_ID, read_format=PERF_FORMAT_TOTAL_TIME_RUNNING|PERF_FORMAT_ID|PERF_FORMAT_GROUP, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_OUTPUT|PERF_FLAG_FD_CLOEXEC) = 3 ./strace-static-x86_64: Process 6196 attached [pid 6195] setpgid(0, 0 [pid 6194] <... bpf resumed>) = 5 [pid 6193] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_STACK_TRACE, key_size=4, value_size=128, max_entries=4, map_flags=BPF_F_RDONLY|BPF_F_STACK_BUILD_ID, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80 [pid 5873] <... clone resumed>, child_tidptr=0x555559802650) = 6196 [pid 6196] set_robust_list(0x555559802660, 24 [pid 6195] <... setpgid resumed>) = 0 [pid 6195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6193] <... bpf resumed>) = 4 [pid 6196] <... set_robust_list resumed>) = 0 [pid 6196] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6195] <... openat resumed>) = 3 [pid 6194] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24 [pid 6193] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x200000000080, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 16, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=0x2d /* BPF_??? */, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148 [pid 6196] <... prctl resumed>) = 0 [pid 6195] write(3, "1000", 4 [pid 6194] <... bpf resumed>) = 6 [pid 6196] setpgid(0, 0 [pid 6195] <... write resumed>) = 4 [pid 6194] perf_event_open( [pid 6196] <... setpgid resumed>) = 0 [pid 6195] close(3 [pid 6194] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [pid 6196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6195] <... close resumed>) = 0 [pid 6193] <... bpf resumed>) = 5 [pid 6193] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=5}}, 24) = 6 [pid 6193] perf_event_open( [pid 6194] exit_group(0 [pid 6193] <... perf_event_open resumed>{type=PERF_TYPE_SOFTWARE, size=PERF_ATTR_SIZE_VER7, config=PERF_COUNT_SW_CPU_CLOCK, sample_period=19761, sample_type=0, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_OUTPUT) = 7 [ 80.024697][ C1] ================================================================== [ 80.032787][ C1] BUG: KASAN: slab-out-of-bounds in __bpf_get_stackid+0x677/0xcf0 [ 80.040609][ C1] Write of size 8 at addr ffff88807eb43a48 by task syz-executor256/6193 [ 80.048913][ C1] [ 80.051235][ C1] CPU: 1 UID: 0 PID: 6193 Comm: syz-executor256 Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 PREEMPT(full) [ 80.051254][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 80.051268][ C1] Call Trace: [ 80.051274][ C1] [ 80.051280][ C1] dump_stack_lvl+0x189/0x250 [ 80.051299][ C1] ? __virt_addr_valid+0x1c8/0x5c0 [ 80.051318][ C1] ? rcu_is_watching+0x15/0xb0 [ 80.051332][ C1] ? __kasan_check_byte+0x12/0x40 [ 80.051353][ C1] ? __pfx_dump_stack_lvl+0x10/0x10 [ 80.051370][ C1] ? rcu_is_watching+0x15/0xb0 [ 80.051384][ C1] ? lock_release+0x4b/0x3e0 [ 80.051407][ C1] ? __virt_addr_valid+0x1c8/0x5c0 [ 80.051425][ C1] ? __virt_addr_valid+0x4a5/0x5c0 [ 80.051444][ C1] print_report+0xca/0x240 [ 80.051458][ C1] ? __bpf_get_stackid+0x677/0xcf0 [ 80.051479][ C1] kasan_report+0x118/0x150 [ 80.051499][ C1] ? __bpf_get_stackid+0x677/0xcf0 [ 80.051522][ C1] ? bpf_get_stackid_raw_tp+0x196/0x210 [ 80.051541][ C1] __bpf_get_stackid+0x677/0xcf0 [ 80.051571][ C1] ? bpf_prog_b724608cae728045+0x27/0x2f [ 80.051586][ C1] bpf_get_stackid_raw_tp+0x196/0x210 [ 80.051606][ C1] bpf_prog_b724608cae728045+0x27/0x2f [ 80.051617][ C1] bpf_trace_run2+0x284/0x4b0 [ 80.051635][ C1] ? bpf_trace_run2+0x186/0x4b0 [ 80.051654][ C1] ? __pfx_bpf_trace_run2+0x10/0x10 [ 80.051672][ C1] ? slab_free_after_rcu_debug+0x60/0x2a0 [ 80.051692][ C1] ? rcu_core+0xc37/0x1770 [ 80.051712][ C1] ? slab_free_after_rcu_debug+0x60/0x2a0 [ 80.051728][ C1] __traceiter_kfree+0x2b/0x50 [ 80.051743][ C1] ? slab_free_after_rcu_debug+0x60/0x2a0 [ 80.051758][ C1] kfree+0x3a0/0x440 [ 80.051776][ C1] ? rcu_core+0xc37/0x1770 [ 80.051797][ C1] slab_free_after_rcu_debug+0x60/0x2a0 [ 80.051814][ C1] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 80.051830][ C1] ? rcu_core+0xc37/0x1770 [ 80.051850][ C1] rcu_core+0xca8/0x1770 [ 80.051878][ C1] ? __pfx_rcu_core+0x10/0x10 [ 80.051900][ C1] ? kvm_sched_clock_read+0x11/0x20 [ 80.051926][ C1] ? __pfx_sched_clock_cpu+0x10/0x10 [ 80.051954][ C1] handle_softirqs+0x283/0x870 [ 80.051970][ C1] ? __irq_exit_rcu+0xca/0x1f0 [ 80.051986][ C1] ? __pfx_handle_softirqs+0x10/0x10 [ 80.052002][ C1] ? irqtime_account_irq+0xb6/0x1c0 [ 80.052021][ C1] __irq_exit_rcu+0xca/0x1f0 [ 80.052035][ C1] ? __pfx___irq_exit_rcu+0x10/0x10 [ 80.052053][ C1] irq_exit_rcu+0x9/0x30 [ 80.052065][ C1] sysvec_apic_timer_interrupt+0xa6/0xc0 [ 80.052084][ C1] [ 80.052089][ C1] [ 80.052095][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 80.052111][ C1] RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 [ 80.052130][ C1] Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 aa 9c 21 f6 48 89 df e8 02 34 22 f6 e8 ed 85 4b f6 fb bf 01 00 00 00 52 2d 14 f6 65 8b 05 cb 70 24 07 85 c0 74 07 5b c3 cc cc cc cc [ 80.052146][ C1] RSP: 0018:ffffc90004437d20 EFLAGS: 00000282 [ 80.052161][ C1] RAX: e0cd0f3be4316d00 RBX: ffffffff8e1713c0 RCX: e0cd0f3be4316d00 [ 80.052172][ C1] RDX: 0000000000000000 RSI: ffffffff8d9b6d6c RDI: 0000000000000001 [ 80.052182][ C1] RBP: 1ffff110058aeb46 R08: ffffffff8fa37e37 R09: 1ffffffff1f46fc6 [ 80.052193][ C1] R10: dffffc0000000000 R11: fffffbfff1f46fc7 R12: ffff88802c576ca8 [ 80.052205][ C1] R13: ffff88802c576328 R14: 00000000000102f9 R15: 1ffff110058aec65 [ 80.052222][ C1] ptrace_stop+0x57f/0x940 [ 80.052247][ C1] ptrace_notify+0x20f/0x2c0 [ 80.052262][ C1] ? __pfx_ptrace_notify+0x10/0x10 [ 80.052276][ C1] ? __pfx_perf_trace_preemptirq_template+0x10/0x10 [ 80.052297][ C1] ? rcu_is_watching+0x15/0xb0 [ 80.052313][ C1] syscall_exit_work+0xc6/0x1d0 [ 80.052336][ C1] do_syscall_64+0x2ad/0x3b0 [ 80.052356][ C1] ? lockdep_hardirqs_on+0x9c/0x150 [ 80.052375][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.052390][ C1] ? clear_bhb_loop+0x60/0xb0 [ 80.052406][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.052420][ C1] RIP: 0033:0x7f721d928f29 [ 80.052432][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 [ 80.052444][ C1] RSP: 002b:00007ffd87059b98 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 80.052458][ C1] RAX: 0000000000000007 RBX: 0000000000000000 RCX: 00007f721d928f29 [ 80.052467][ C1] RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 00002000000003c0 [ 80.052478][ C1] RBP: 0000000000000000 R08: 0000000000000003 R09: 00000000000000a0 [ 80.052486][ C1] R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 [ 80.052496][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 80.052514][ C1] [ 80.052521][ C1] [ 80.510419][ C1] Allocated by task 6194: [ 80.514741][ C1] kasan_save_track+0x3e/0x80 [ 80.519422][ C1] __kasan_kmalloc+0x93/0xb0 [ 80.524003][ C1] __kmalloc_node_noprof+0x276/0x4e0 [ 80.529277][ C1] bpf_map_area_alloc+0x64/0x180 [ 80.534208][ C1] prealloc_elems_and_freelist+0x86/0x1d0 [ 80.539910][ C1] stack_map_alloc+0x33f/0x4c0 [ 80.544663][ C1] map_create+0xaa0/0x14d0 [ 80.549065][ C1] __sys_bpf+0x60f/0x870 [ 80.553292][ C1] __x64_sys_bpf+0x7c/0x90 [ 80.557692][ C1] do_syscall_64+0xfa/0x3b0 [ 80.562185][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.568060][ C1] [ 80.570369][ C1] The buggy address belongs to the object at ffff88807eb43800 [ 80.570369][ C1] which belongs to the cache kmalloc-1k of size 1024 [ 80.584413][ C1] The buggy address is located 8 bytes to the right of [ 80.584413][ C1] allocated 576-byte region [ffff88807eb43800, ffff88807eb43a40) [ 80.598885][ C1] [ 80.601191][ C1] The buggy address belongs to the physical page: [ 80.607597][ C1] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7eb40 [ 80.616348][ C1] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 80.624836][ C1] anon flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) [ 80.632816][ C1] page_type: f5(slab) [ 80.636785][ C1] raw: 00fff00000000040 ffff88801a441dc0 0000000000000000 0000000000000001 [ 80.645351][ C1] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 80.653920][ C1] head: 00fff00000000040 ffff88801a441dc0 0000000000000000 0000000000000001 [ 80.662572][ C1] head: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 80.671225][ C1] head: 00fff00000000003 ffffea0001fad001 00000000ffffffff 00000000ffffffff [ 80.679874][ C1] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 [ 80.688525][ C1] page dumped because: kasan: bad access detected [ 80.694923][ C1] page_owner tracks the page as allocated [ 80.700613][ C1] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5538, tgid 5538 (dhcpcd-run-hook), ts 42820355488, free_ts 42758147826 [ 80.721434][ C1] post_alloc_hook+0x240/0x2a0 [ 80.726193][ C1] get_page_from_freelist+0x21e4/0x22c0 [ 80.731721][ C1] __alloc_frozen_pages_noprof+0x181/0x370 [ 80.737512][ C1] alloc_pages_mpol+0x232/0x4a0 [ 80.742351][ C1] allocate_slab+0x8a/0x370 [ 80.746835][ C1] ___slab_alloc+0xbeb/0x1410 [ 80.751503][ C1] __kmalloc_noprof+0x305/0x4f0 [ 80.756338][ C1] tomoyo_init_log+0x1a6e/0x1f70 [ 80.761253][ C1] tomoyo_supervisor+0x340/0x1480 [ 80.766259][ C1] tomoyo_env_perm+0x149/0x1e0 [ 80.771007][ C1] tomoyo_find_next_domain+0x15cf/0x1aa0 [ 80.776624][ C1] tomoyo_bprm_check_security+0x11c/0x180 [ 80.782325][ C1] security_bprm_check+0x89/0x270 [ 80.787347][ C1] bprm_execve+0x8ee/0x1450 [ 80.791836][ C1] do_execveat_common+0x510/0x6a0 [ 80.796845][ C1] __x64_sys_execve+0x94/0xb0 [ 80.801506][ C1] page last free pid 5536 tgid 5536 stack trace: [ 80.807809][ C1] __free_frozen_pages+0xbc4/0xd30 [ 80.812910][ C1] __put_partials+0x156/0x1a0 [ 80.817563][ C1] put_cpu_partial+0x17c/0x250 [ 80.822306][ C1] __slab_free+0x2d5/0x3c0 [ 80.826702][ C1] qlist_free_all+0x97/0x140 [ 80.831278][ C1] kasan_quarantine_reduce+0x148/0x160 [ 80.836726][ C1] __kasan_slab_alloc+0x22/0x80 [ 80.841566][ C1] __kmalloc_noprof+0x224/0x4f0 [ 80.846400][ C1] tomoyo_supervisor+0xbd5/0x1480 [ 80.851405][ C1] tomoyo_path_permission+0x25a/0x380 [ 80.856761][ C1] tomoyo_check_open_permission+0x24d/0x3b0 [ 80.862643][ C1] security_file_open+0xb1/0x270 [ 80.867562][ C1] do_dentry_open+0x384/0x13f0 [ 80.872305][ C1] vfs_open+0x3b/0x340 [ 80.876357][ C1] path_openat+0x2ee5/0x3830 [ 80.880932][ C1] do_filp_open+0x1fa/0x410 [ 80.885421][ C1] [ 80.887728][ C1] Memory state around the buggy address: [ 80.893339][ C1] ffff88807eb43900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 80.901383][ C1] ffff88807eb43980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 80.909424][ C1] >ffff88807eb43a00: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 80.917469][ C1] ^ [ 80.923857][ C1] ffff88807eb43a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 80.931898][ C1] ffff88807eb43b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 80.939933][ C1] ================================================================== [ 80.948131][ C1] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 80.955325][ C1] CPU: 1 UID: 0 PID: 6193 Comm: syz-executor256 Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 PREEMPT(full) [ 80.967199][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 80.977237][ C1] Call Trace: [ 80.980498][ C1] [ 80.983325][ C1] dump_stack_lvl+0x99/0x250 [ 80.987906][ C1] ? __asan_memcpy+0x40/0x70 [ 80.992481][ C1] ? __pfx_dump_stack_lvl+0x10/0x10 [ 80.997670][ C1] ? __pfx__printk+0x10/0x10 [ 81.002254][ C1] vpanic+0x281/0x750 [ 81.006221][ C1] ? __pfx_vpanic+0x10/0x10 [ 81.010714][ C1] ? __irq_exit_rcu+0xd8/0x1f0 [ 81.015464][ C1] ? __pfx___irq_exit_rcu+0x10/0x10 [ 81.020647][ C1] panic+0xb9/0xc0 [ 81.024364][ C1] ? __pfx_panic+0x10/0x10 [ 81.028781][ C1] ? __bpf_get_stackid+0x677/0xcf0 [ 81.033894][ C1] ? __bpf_get_stackid+0x677/0xcf0 [ 81.038999][ C1] check_panic_on_warn+0x89/0xb0 [ 81.043932][ C1] ? __bpf_get_stackid+0x677/0xcf0 [ 81.049035][ C1] end_report+0x78/0x160 [ 81.053271][ C1] kasan_report+0x129/0x150 [ 81.057766][ C1] ? __bpf_get_stackid+0x677/0xcf0 [ 81.062870][ C1] ? bpf_get_stackid_raw_tp+0x196/0x210 [ 81.068404][ C1] __bpf_get_stackid+0x677/0xcf0 [ 81.073355][ C1] ? bpf_prog_b724608cae728045+0x27/0x2f [ 81.078971][ C1] bpf_get_stackid_raw_tp+0x196/0x210 [ 81.084342][ C1] bpf_prog_b724608cae728045+0x27/0x2f [ 81.089801][ C1] bpf_trace_run2+0x284/0x4b0 [ 81.094476][ C1] ? bpf_trace_run2+0x186/0x4b0 [ 81.099319][ C1] ? __pfx_bpf_trace_run2+0x10/0x10 [ 81.104506][ C1] ? slab_free_after_rcu_debug+0x60/0x2a0 [ 81.110213][ C1] ? rcu_core+0xc37/0x1770 [ 81.114621][ C1] ? slab_free_after_rcu_debug+0x60/0x2a0 [ 81.120326][ C1] __traceiter_kfree+0x2b/0x50 [ 81.125074][ C1] ? slab_free_after_rcu_debug+0x60/0x2a0 [ 81.130779][ C1] kfree+0x3a0/0x440 [ 81.134666][ C1] ? rcu_core+0xc37/0x1770 [ 81.139078][ C1] slab_free_after_rcu_debug+0x60/0x2a0 [ 81.144609][ C1] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 81.150764][ C1] ? rcu_core+0xc37/0x1770 [ 81.155189][ C1] rcu_core+0xca8/0x1770 [ 81.159442][ C1] ? __pfx_rcu_core+0x10/0x10 [ 81.164115][ C1] ? kvm_sched_clock_read+0x11/0x20 [ 81.169307][ C1] ? __pfx_sched_clock_cpu+0x10/0x10 [ 81.174594][ C1] handle_softirqs+0x283/0x870 [ 81.179346][ C1] ? __irq_exit_rcu+0xca/0x1f0 [ 81.184095][ C1] ? __pfx_handle_softirqs+0x10/0x10 [ 81.189368][ C1] ? irqtime_account_irq+0xb6/0x1c0 [ 81.194555][ C1] __irq_exit_rcu+0xca/0x1f0 [ 81.199130][ C1] ? __pfx___irq_exit_rcu+0x10/0x10 [ 81.204316][ C1] irq_exit_rcu+0x9/0x30 [ 81.208543][ C1] sysvec_apic_timer_interrupt+0xa6/0xc0 [ 81.214167][ C1] [ 81.217084][ C1] [ 81.220002][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 81.225969][ C1] RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 [ 81.231764][ C1] Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 aa 9c 21 f6 48 89 df e8 02 34 22 f6 e8 ed 85 4b f6 fb bf 01 00 00 00 52 2d 14 f6 65 8b 05 cb 70 24 07 85 c0 74 07 5b c3 cc cc cc cc [ 81.251354][ C1] RSP: 0018:ffffc90004437d20 EFLAGS: 00000282 [ 81.257407][ C1] RAX: e0cd0f3be4316d00 RBX: ffffffff8e1713c0 RCX: e0cd0f3be4316d00 [ 81.265373][ C1] RDX: 0000000000000000 RSI: ffffffff8d9b6d6c RDI: 0000000000000001 [ 81.273328][ C1] RBP: 1ffff110058aeb46 R08: ffffffff8fa37e37 R09: 1ffffffff1f46fc6 [ 81.281285][ C1] R10: dffffc0000000000 R11: fffffbfff1f46fc7 R12: ffff88802c576ca8 [ 81.289242][ C1] R13: ffff88802c576328 R14: 00000000000102f9 R15: 1ffff110058aec65 [ 81.297206][ C1] ptrace_stop+0x57f/0x940 [ 81.301619][ C1] ptrace_notify+0x20f/0x2c0 [ 81.306195][ C1] ? __pfx_ptrace_notify+0x10/0x10 [ 81.311289][ C1] ? __pfx_perf_trace_preemptirq_template+0x10/0x10 [ 81.317866][ C1] ? rcu_is_watching+0x15/0xb0 [ 81.322616][ C1] syscall_exit_work+0xc6/0x1d0 [ 81.327461][ C1] do_syscall_64+0x2ad/0x3b0 [ 81.332040][ C1] ? lockdep_hardirqs_on+0x9c/0x150 [ 81.337228][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 81.343281][ C1] ? clear_bhb_loop+0x60/0xb0 [ 81.347955][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 81.353842][ C1] RIP: 0033:0x7f721d928f29 [ 81.358245][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 [ 81.377840][ C1] RSP: 002b:00007ffd87059b98 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 81.386241][ C1] RAX: 0000000000000007 RBX: 0000000000000000 RCX: 00007f721d928f29 [ 81.394197][ C1] RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 00002000000003c0 [ 81.402149][ C1] RBP: 0000000000000000 R08: 0000000000000003 R09: 00000000000000a0 [ 81.410103][ C1] R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 [ 81.418059][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 81.426018][ C1] [ 81.429241][ C1] Kernel Offset: disabled [ 81.433563][ C1] Rebooting in 86400 seconds..