./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3611111820 <...> Warning: Permanently added '10.128.0.246' (ED25519) to the list of known hosts. execve("./syz-executor3611111820", ["./syz-executor3611111820"], 0x7ffd0299d880 /* 10 vars */) = 0 brk(NULL) = 0x5555802da000 brk(0x5555802dad00) = 0x5555802dad00 arch_prctl(ARCH_SET_FS, 0x5555802da380) = 0 set_tid_address(0x5555802da650) = 5837 set_robust_list(0x5555802da660, 24) = 0 rseq(0x5555802daca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3611111820", 4096) = 28 getrandom("\xae\x02\x67\xcd\xb9\xbe\x1a\x2c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555802dad00 brk(0x5555802fbd00) = 0x5555802fbd00 brk(0x5555802fc000) = 0x5555802fc000 mprotect(0x7f33d379a000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5838 attached [pid 5838] set_robust_list(0x5555802da660, 24 [pid 5837] <... clone resumed>, child_tidptr=0x5555802da650) = 5838 [pid 5838] <... set_robust_list resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5839 attached [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5840 attached [pid 5839] set_robust_list(0x5555802da660, 24 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 5839 [pid 5839] <... set_robust_list resumed>) = 0 [pid 5840] set_robust_list(0x5555802da660, 24) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5837] <... clone resumed>, child_tidptr=0x5555802da650) = 5840 [pid 5839] <... prctl resumed>) = 0 [pid 5839] setpgid(0, 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5842 attached ./strace-static-x86_64: Process 5841 attached [pid 5842] set_robust_list(0x5555802da660, 24 [pid 5841] set_robust_list(0x5555802da660, 24 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 5841 [pid 5839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] <... set_robust_list resumed>) = 0 [pid 5841] <... set_robust_list resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5841] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5839] <... openat resumed>) = 3 [pid 5837] <... clone resumed>, child_tidptr=0x5555802da650) = 5842 ./strace-static-x86_64: Process 5843 attached [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5841] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5844 attached [pid 5839] write(3, "1000", 4 [pid 5844] set_robust_list(0x5555802da660, 24 [pid 5843] set_robust_list(0x5555802da660, 24 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 5843 [pid 5841] setpgid(0, 0 [pid 5844] <... set_robust_list resumed>) = 0 [pid 5843] <... set_robust_list resumed>) = 0 [pid 5841] <... setpgid resumed>) = 0 [pid 5839] <... write resumed>) = 4 [pid 5843] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5843] <... prctl resumed>) = 0 [pid 5841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5839] close(3 [pid 5837] <... clone resumed>, child_tidptr=0x5555802da650) = 5844 [pid 5843] setpgid(0, 0 [pid 5839] <... close resumed>) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 5839] write(1, "executing program\n", 18./strace-static-x86_64: Process 5846 attached [pid 5843] <... setpgid resumed>) = 0 [pid 5841] <... openat resumed>) = 3 [pid 5839] <... write resumed>) = 18 ./strace-static-x86_64: Process 5845 attached [pid 5846] set_robust_list(0x5555802da660, 24 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 5845 [pid 5843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5841] write(3, "1000", 4 [pid 5839] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5837] <... clone resumed>, child_tidptr=0x5555802da650) = 5846 [pid 5846] <... set_robust_list resumed>) = 0 [pid 5845] set_robust_list(0x5555802da660, 24 [pid 5843] <... openat resumed>) = 3 [pid 5841] <... write resumed>) = 4 [pid 5839] <... bpf resumed>) = 3 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD executing program executing program [pid 5845] <... set_robust_list resumed>) = 0 [pid 5843] write(3, "1000", 4 [pid 5841] close(3 [pid 5839] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5845] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5843] <... write resumed>) = 4 [pid 5841] <... close resumed>) = 0 [pid 5843] close(3 [pid 5841] write(1, "executing program\n", 18 [pid 5843] <... close resumed>) = 0 [pid 5841] <... write resumed>) = 18 [pid 5843] write(1, "executing program\n", 18./strace-static-x86_64: Process 5847 attached [pid 5845] <... prctl resumed>) = 0 [pid 5843] <... write resumed>) = 18 [pid 5841] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5839] <... bpf resumed>) = 4 [pid 5847] set_robust_list(0x5555802da660, 24 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 5847 [pid 5845] setpgid(0, 0 [pid 5843] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5841] <... bpf resumed>) = 3 [pid 5847] <... set_robust_list resumed>) = 0 [pid 5845] <... setpgid resumed>) = 0 [pid 5847] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5843] <... bpf resumed>) = 3 [pid 5841] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5847] <... prctl resumed>) = 0 [pid 5843] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5839] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5847] setpgid(0, 0 [pid 5845] <... openat resumed>) = 3 [pid 5841] <... bpf resumed>) = 4 [pid 5839] <... bpf resumed>) = 5 [pid 5845] write(3, "1000", 4) = 4 [pid 5845] close(3executing program ) = 0 [pid 5845] write(1, "executing program\n", 18 [pid 5839] exit_group(0 [pid 5847] <... setpgid resumed>) = 0 [pid 5845] <... write resumed>) = 18 [pid 5843] <... bpf resumed>) = 4 [pid 5841] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5843] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5839] <... exit_group resumed>) = ? [pid 5847] <... openat resumed>) = 3 [pid 5845] <... bpf resumed>) = 3 [pid 5843] <... bpf resumed>) = 5 [pid 5841] <... bpf resumed>) = 5 [pid 5839] +++ exited with 0 +++ [pid 5847] write(3, "1000", 4 [pid 5845] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5847] <... write resumed>) = 4 [pid 5845] <... bpf resumed>) = 4 [pid 5843] exit_group(0 [pid 5841] exit_group(0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5839, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5847] close(3 [pid 5843] <... exit_group resumed>) = ? [pid 5841] <... exit_group resumed>) = ? [pid 5847] <... close resumed>) = 0 [pid 5845] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16) = 5 [pid 5845] exit_group(0 [pid 5843] +++ exited with 0 +++ [pid 5845] <... exit_group resumed>) = ? executing program [pid 5847] write(1, "executing program\n", 18 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5843, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5847] <... write resumed>) = 18 [pid 5847] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5847] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 5847] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5845] +++ exited with 0 +++ [pid 5841] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5845, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5841, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5849 attached ./strace-static-x86_64: Process 5848 attached , child_tidptr=0x5555802da650) = 5849 ./strace-static-x86_64: Process 5851 attached ./strace-static-x86_64: Process 5850 attached [pid 5849] set_robust_list(0x5555802da660, 24 [pid 5848] set_robust_list(0x5555802da660, 24 [pid 5849] <... set_robust_list resumed>) = 0 [pid 5849] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5848] <... set_robust_list resumed>) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 5851 [pid 5851] set_robust_list(0x5555802da660, 24 [pid 5850] set_robust_list(0x5555802da660, 24 [pid 5849] <... prctl resumed>) = 0 [pid 5848] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5847] <... bpf resumed>) = 5 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 5850 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 5848 [pid 5851] <... set_robust_list resumed>) = 0 [pid 5850] <... set_robust_list resumed>) = 0 [pid 5851] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5850] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5849] setpgid(0, 0 [pid 5848] <... prctl resumed>) = 0 [pid 5847] exit_group(0 [pid 5851] <... prctl resumed>) = 0 [pid 5850] <... prctl resumed>) = 0 [pid 5849] <... setpgid resumed>) = 0 [pid 5848] setpgid(0, 0 [pid 5851] setpgid(0, 0 [pid 5850] setpgid(0, 0 [pid 5847] <... exit_group resumed>) = ? [pid 5849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5848] <... setpgid resumed>) = 0 [pid 5851] <... setpgid resumed>) = 0 [pid 5850] <... setpgid resumed>) = 0 [pid 5851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5851] <... openat resumed>) = 3 [pid 5850] <... openat resumed>) = 3 [pid 5851] write(3, "1000", 4) = 4 [pid 5850] write(3, "1000", 4 [pid 5849] <... openat resumed>) = 3 [pid 5848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5847] +++ exited with 0 +++ [pid 5851] close(3 [pid 5850] <... write resumed>) = 4 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5847, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5851] <... close resumed>) = 0 [pid 5850] close(3executing program executing program [pid 5851] write(1, "executing program\n", 18 [pid 5850] <... close resumed>) = 0 [pid 5851] <... write resumed>) = 18 [pid 5850] write(1, "executing program\n", 18 [pid 5849] write(3, "1000", 4 [pid 5851] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5848] <... openat resumed>) = 3 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5849] <... write resumed>) = 4 ./strace-static-x86_64: Process 5852 attached [pid 5851] <... bpf resumed>) = 3 [pid 5850] <... write resumed>) = 18 [pid 5849] close(3 [pid 5848] write(3, "1000", 4 [pid 5851] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5850] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5849] <... close resumed>) = 0 [pid 5848] <... write resumed>) = 4 [pid 5852] set_robust_list(0x5555802da660, 24 [pid 5851] <... bpf resumed>) = 4 [pid 5850] <... bpf resumed>) = 3 executing program [pid 5849] write(1, "executing program\n", 18 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 5852 [pid 5852] <... set_robust_list resumed>) = 0 [pid 5849] <... write resumed>) = 18 [pid 5848] close(3 [pid 5850] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5848] <... close resumed>) = 0 executing program [pid 5852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5849] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5848] write(1, "executing program\n", 18 [pid 5852] <... prctl resumed>) = 0 [pid 5852] setpgid(0, 0 [pid 5851] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5850] <... bpf resumed>) = 4 [pid 5849] <... bpf resumed>) = 3 [pid 5848] <... write resumed>) = 18 [pid 5852] <... setpgid resumed>) = 0 [pid 5851] <... bpf resumed>) = 5 [pid 5848] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5849] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5852] <... openat resumed>) = 3 [pid 5848] <... bpf resumed>) = 3 [pid 5852] write(3, "1000", 4 [pid 5848] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5852] <... write resumed>) = 4 [pid 5852] close(3 [pid 5851] exit_group(0 [pid 5850] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5852] <... close resumed>) = 0 [pid 5851] <... exit_group resumed>) = ? [pid 5850] <... bpf resumed>) = 5 executing program [pid 5852] write(1, "executing program\n", 18 [pid 5850] exit_group(0 [pid 5852] <... write resumed>) = 18 [pid 5850] <... exit_group resumed>) = ? [pid 5852] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5849] <... bpf resumed>) = 4 [pid 5852] <... bpf resumed>) = 3 [pid 5851] +++ exited with 0 +++ [pid 5852] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5850] +++ exited with 0 +++ [pid 5849] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5848] <... bpf resumed>) = 4 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5850, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5851, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5848] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5852] <... bpf resumed>) = 4 [pid 5852] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5852] <... bpf resumed>) = 5 [pid 5849] <... bpf resumed>) = 5 [pid 5848] <... bpf resumed>) = 5 [pid 5852] exit_group(0 [pid 5849] exit_group(0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5852] <... exit_group resumed>) = ? [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5849] <... exit_group resumed>) = ? [pid 5848] exit_group(0) = ? [pid 5852] +++ exited with 0 +++ [pid 5848] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5852, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5853 attached [pid 5849] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5848, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5849, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 5853 ./strace-static-x86_64: Process 5854 attached [pid 5853] set_robust_list(0x5555802da660, 24 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5842] <... restart_syscall resumed>) = 0 [pid 5840] <... restart_syscall resumed>) = 0 [pid 5854] set_robust_list(0x5555802da660, 24 [pid 5853] <... set_robust_list resumed>) = 0 [pid 5854] <... set_robust_list resumed>) = 0 [pid 5853] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 5854 [pid 5853] <... prctl resumed>) = 0 [pid 5854] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5853] setpgid(0, 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5854] <... prctl resumed>) = 0 [pid 5853] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5855 attached ./strace-static-x86_64: Process 5856 attached [pid 5854] setpgid(0, 0 [pid 5853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 5855 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5855] set_robust_list(0x5555802da660, 24 [pid 5854] <... setpgid resumed>) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 5856 [pid 5854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5853] <... openat resumed>) = 3 [pid 5856] set_robust_list(0x5555802da660, 24 [pid 5855] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5857 attached [pid 5854] <... openat resumed>) = 3 [pid 5853] write(3, "1000", 4 [pid 5857] set_robust_list(0x5555802da660, 24 [pid 5856] <... set_robust_list resumed>) = 0 [pid 5855] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5857] <... set_robust_list resumed>) = 0 [pid 5853] <... write resumed>) = 4 [pid 5857] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5854] write(3, "1000", 4 [pid 5853] close(3 [pid 5857] <... prctl resumed>) = 0 [pid 5854] <... write resumed>) = 4 [pid 5853] <... close resumed>) = 0 [pid 5857] setpgid(0, 0 [pid 5854] close(3 [pid 5853] write(1, "executing program\n", 18executing program [pid 5857] <... setpgid resumed>) = 0 [pid 5854] <... close resumed>) = 0 [pid 5853] <... write resumed>) = 18 [pid 5857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5856] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5855] <... prctl resumed>) = 0 [pid 5854] write(1, "executing program\n", 18 [pid 5853] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 5857 [pid 5855] setpgid(0, 0executing program [pid 5857] <... openat resumed>) = 3 [pid 5856] <... prctl resumed>) = 0 [pid 5855] <... setpgid resumed>) = 0 [pid 5854] <... write resumed>) = 18 [pid 5853] <... bpf resumed>) = 3 [pid 5857] write(3, "1000", 4 [pid 5856] setpgid(0, 0 [pid 5855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5854] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5853] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5857] <... write resumed>) = 4 [pid 5856] <... setpgid resumed>) = 0 [pid 5855] <... openat resumed>) = 3 [pid 5857] close(3 [pid 5856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5855] write(3, "1000", 4 [pid 5854] <... bpf resumed>) = 3 [pid 5853] <... bpf resumed>) = 4 [pid 5857] <... close resumed>) = 0 [pid 5856] <... openat resumed>) = 3 [pid 5854] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5857] write(1, "executing program\n", 18executing program [pid 5856] write(3, "1000", 4 [pid 5855] <... write resumed>) = 4 [pid 5854] <... bpf resumed>) = 4 [pid 5857] <... write resumed>) = 18 [pid 5856] <... write resumed>) = 4 [pid 5855] close(3 [pid 5853] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5855] <... close resumed>) = 0 executing program [pid 5856] close(3 [pid 5855] write(1, "executing program\n", 18 [pid 5857] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5856] <... close resumed>) = 0 [pid 5855] <... write resumed>) = 18 [pid 5853] <... bpf resumed>) = 5 [pid 5857] <... bpf resumed>) = 3 [pid 5856] write(1, "executing program\n", 18executing program [pid 5854] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5857] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5856] <... write resumed>) = 18 [pid 5855] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5854] <... bpf resumed>) = 5 [pid 5853] exit_group(0 [pid 5857] <... bpf resumed>) = 4 [pid 5856] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5855] <... bpf resumed>) = 3 [pid 5856] <... bpf resumed>) = 3 [pid 5853] <... exit_group resumed>) = ? [pid 5855] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5857] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5856] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5854] exit_group(0 [pid 5856] <... bpf resumed>) = 4 [pid 5855] <... bpf resumed>) = 4 [pid 5854] <... exit_group resumed>) = ? [pid 5855] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5856] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5857] <... bpf resumed>) = 5 [pid 5855] <... bpf resumed>) = 5 [pid 5854] +++ exited with 0 +++ [pid 5853] +++ exited with 0 +++ [pid 5857] exit_group(0 [pid 5856] <... bpf resumed>) = 5 [pid 5855] exit_group(0 [pid 5857] <... exit_group resumed>) = ? [pid 5856] exit_group(0 [pid 5855] <... exit_group resumed>) = ? [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5853, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5854, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5856] <... exit_group resumed>) = ? [pid 5855] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5855, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5858 attached [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 5858 ./strace-static-x86_64: Process 5859 attached [pid 5858] set_robust_list(0x5555802da660, 24 [pid 5859] set_robust_list(0x5555802da660, 24 [pid 5858] <... set_robust_list resumed>) = 0 [pid 5859] <... set_robust_list resumed>) = 0 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 5859 [pid 5859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5858] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5859] <... prctl resumed>) = 0 [pid 5858] <... prctl resumed>) = 0 [pid 5857] +++ exited with 0 +++ [pid 5856] +++ exited with 0 +++ [pid 5842] <... restart_syscall resumed>) = 0 [pid 5859] setpgid(0, 0 [pid 5858] setpgid(0, 0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5856, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5859] <... setpgid resumed>) = 0 [pid 5858] <... setpgid resumed>) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5857, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5860 attached [pid 5859] <... openat resumed>) = 3 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5861 attached [pid 5860] set_robust_list(0x5555802da660, 24 [pid 5859] write(3, "1000", 4 [pid 5858] <... openat resumed>) = 3 [pid 5859] <... write resumed>) = 4 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5862 attached [pid 5861] set_robust_list(0x5555802da660, 24 [pid 5860] <... set_robust_list resumed>) = 0 [pid 5859] close(3 [pid 5858] write(3, "1000", 4 [pid 5861] <... set_robust_list resumed>) = 0 [pid 5860] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5859] <... close resumed>) = 0 [pid 5858] <... write resumed>) = 4 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 5860 [pid 5862] set_robust_list(0x5555802da660, 24 [pid 5861] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5860] <... prctl resumed>) = 0 [pid 5859] write(1, "executing program\n", 18 [pid 5858] close(3 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 5861 [pid 5858] <... close resumed>) = 0 executing program executing program [pid 5859] <... write resumed>) = 18 [pid 5858] write(1, "executing program\n", 18 [pid 5859] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5858] <... write resumed>) = 18 [pid 5862] <... set_robust_list resumed>) = 0 [pid 5861] <... prctl resumed>) = 0 [pid 5860] setpgid(0, 0 [pid 5859] <... bpf resumed>) = 3 [pid 5858] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 5862 [pid 5862] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5861] setpgid(0, 0 [pid 5860] <... setpgid resumed>) = 0 [pid 5859] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5858] <... bpf resumed>) = 3 [pid 5862] <... prctl resumed>) = 0 [pid 5861] <... setpgid resumed>) = 0 [pid 5860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5859] <... bpf resumed>) = 4 [pid 5862] setpgid(0, 0 [pid 5858] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5862] <... setpgid resumed>) = 0 [pid 5861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5860] <... openat resumed>) = 3 [pid 5859] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5858] <... bpf resumed>) = 4 [pid 5860] write(3, "1000", 4 [pid 5861] <... openat resumed>) = 3 [pid 5862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5860] <... write resumed>) = 4 [pid 5861] write(3, "1000", 4 [pid 5859] <... bpf resumed>) = 5 [pid 5861] <... write resumed>) = 4 [pid 5860] close(3 [pid 5861] close(3) = 0 [pid 5860] <... close resumed>) = 0 [pid 5862] <... openat resumed>) = 3 [pid 5859] exit_group(0 [pid 5860] write(1, "executing program\n", 18 [pid 5858] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16executing program executing program [pid 5861] write(1, "executing program\n", 18 [pid 5862] write(3, "1000", 4 [pid 5861] <... write resumed>) = 18 [pid 5860] <... write resumed>) = 18 [pid 5859] <... exit_group resumed>) = ? [pid 5858] <... bpf resumed>) = 5 [pid 5862] <... write resumed>) = 4 [pid 5861] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5860] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5862] close(3 [pid 5861] <... bpf resumed>) = 3 [pid 5858] exit_group(0 [pid 5860] <... bpf resumed>) = 3 [pid 5858] <... exit_group resumed>) = ? [pid 5862] <... close resumed>) = 0 [pid 5862] write(1, "executing program\n", 18 executing program [pid 5861] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5860] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5862] <... write resumed>) = 18 [pid 5862] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5861] <... bpf resumed>) = 4 [pid 5860] <... bpf resumed>) = 4 [pid 5860] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5862] <... bpf resumed>) = 3 [pid 5861] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5859] +++ exited with 0 +++ [pid 5858] +++ exited with 0 +++ [pid 5862] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5859, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5858, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5862] <... bpf resumed>) = 4 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5863 attached [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5862] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 5863 ./strace-static-x86_64: Process 5864 attached [pid 5863] set_robust_list(0x5555802da660, 24 [pid 5862] <... bpf resumed>) = 5 [pid 5861] <... bpf resumed>) = 5 [pid 5860] <... bpf resumed>) = 5 [pid 5864] set_robust_list(0x5555802da660, 24 [pid 5863] <... set_robust_list resumed>) = 0 [pid 5862] exit_group(0 [pid 5861] exit_group(0 [pid 5860] exit_group(0 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 5864 [pid 5864] <... set_robust_list resumed>) = 0 [pid 5863] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5862] <... exit_group resumed>) = ? [pid 5861] <... exit_group resumed>) = ? [pid 5860] <... exit_group resumed>) = ? [pid 5864] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5863] <... prctl resumed>) = 0 [pid 5864] <... prctl resumed>) = 0 [pid 5864] setpgid(0, 0) = 0 [pid 5862] +++ exited with 0 +++ [pid 5864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5863] setpgid(0, 0 [pid 5864] <... openat resumed>) = 3 [pid 5863] <... setpgid resumed>) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5862, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...>) = 0 executing program [pid 5864] write(3, "1000", 4) = 4 [pid 5864] close(3) = 0 [pid 5864] write(1, "executing program\n", 18) = 18 [pid 5863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5863] <... openat resumed>) = 3 [pid 5864] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 5865 attached [pid 5864] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5865] set_robust_list(0x5555802da660, 24 [pid 5863] write(3, "1000", 4 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 5865 [pid 5865] <... set_robust_list resumed>) = 0 [pid 5864] <... bpf resumed>) = 4 [pid 5863] <... write resumed>) = 4 [pid 5861] +++ exited with 0 +++ [pid 5860] +++ exited with 0 +++ [pid 5863] close(3 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5861, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5860, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5863] <... close resumed>) = 0 [pid 5842] restart_syscall(<... resuming interrupted clone ...>executing program [pid 5863] write(1, "executing program\n", 18 [pid 5864] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5863] <... write resumed>) = 18 [pid 5865] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] <... restart_syscall resumed>) = 0 [pid 5842] <... restart_syscall resumed>) = 0 [pid 5865] <... prctl resumed>) = 0 [pid 5863] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5865] setpgid(0, 0 [pid 5863] <... bpf resumed>) = 3 [pid 5865] <... setpgid resumed>) = 0 [pid 5865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5863] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5865] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5866 attached [pid 5866] set_robust_list(0x5555802da660, 24./strace-static-x86_64: Process 5867 attached [pid 5865] write(3, "1000", 4 [pid 5864] <... bpf resumed>) = 5 [pid 5863] <... bpf resumed>) = 4 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 5866 [pid 5867] set_robust_list(0x5555802da660, 24 [pid 5866] <... set_robust_list resumed>) = 0 [pid 5865] <... write resumed>) = 4 [pid 5864] exit_group(0 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 5867 [pid 5867] <... set_robust_list resumed>) = 0 [pid 5866] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5865] close(3 [pid 5864] <... exit_group resumed>) = ? [pid 5863] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5867] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5866] <... prctl resumed>) = 0 [pid 5865] <... close resumed>) = 0 [pid 5867] <... prctl resumed>) = 0 [pid 5866] setpgid(0, 0 [pid 5865] write(1, "executing program\n", 18 [pid 5866] <... setpgid resumed>) = 0 [pid 5867] setpgid(0, 0 [pid 5866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] <... setpgid resumed>) = 0 [pid 5867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 5865] <... write resumed>) = 18 [pid 5864] +++ exited with 0 +++ [pid 5866] <... openat resumed>) = 3 [pid 5865] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5866] write(3, "1000", 4 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5864, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5867] <... openat resumed>) = 3 [pid 5866] <... write resumed>) = 4 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5866] close(3executing program ) = 0 [pid 5866] write(1, "executing program\n", 18 [pid 5865] <... bpf resumed>) = 3 [pid 5867] write(3, "1000", 4 [pid 5866] <... write resumed>) = 18 [pid 5867] <... write resumed>) = 4 [pid 5866] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5865] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5867] close(3) = 0 executing program [pid 5865] <... bpf resumed>) = 4 [pid 5867] write(1, "executing program\n", 18 [pid 5866] <... bpf resumed>) = 3 [pid 5867] <... write resumed>) = 18 [pid 5865] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5866] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5867] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5867] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5866] <... bpf resumed>) = 4 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5867] <... bpf resumed>) = 4 [pid 5867] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5866] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5868 attached [pid 5868] set_robust_list(0x5555802da660, 24 [pid 5867] <... bpf resumed>) = 5 [pid 5866] <... bpf resumed>) = 5 [pid 5865] <... bpf resumed>) = 5 [pid 5863] <... bpf resumed>) = 5 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 5868 [pid 5867] exit_group(0 [pid 5866] exit_group(0 [pid 5868] <... set_robust_list resumed>) = 0 [pid 5868] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5863] exit_group(0 [pid 5868] setpgid(0, 0 [pid 5867] <... exit_group resumed>) = ? [pid 5866] <... exit_group resumed>) = ? [pid 5865] exit_group(0 [pid 5863] <... exit_group resumed>) = ? [pid 5868] <... setpgid resumed>) = 0 [pid 5868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5867] +++ exited with 0 +++ [pid 5868] write(3, "1000", 4) = 4 [pid 5866] +++ exited with 0 +++ [pid 5865] <... exit_group resumed>) = ? [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5867, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5868] close(3) = 0 [pid 5868] write(1, "executing program\n", 18) = 18 executing program [pid 5868] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5866, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5868] <... bpf resumed>) = 3 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5868] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5865] +++ exited with 0 +++ [pid 5863] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5863, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5868] <... bpf resumed>) = 4 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] <... restart_syscall resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5865, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] 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] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16) = 5 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 5869 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 5870 ./strace-static-x86_64: Process 5871 attached [pid 5870] set_robust_list(0x5555802da660, 24 [pid 5869] set_robust_list(0x5555802da660, 24 [pid 5871] set_robust_list(0x5555802da660, 24 [pid 5870] <... set_robust_list resumed>) = 0 [pid 5869] <... set_robust_list resumed>) = 0 [pid 5868] exit_group(0 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 5871 [pid 5870] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5868] <... exit_group resumed>) = ? [pid 5871] <... set_robust_list resumed>) = 0 [pid 5870] <... prctl resumed>) = 0 [pid 5869] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5868] +++ exited with 0 +++ ./strace-static-x86_64: Process 5872 attached [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5868, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5872] set_robust_list(0x5555802da660, 24 [pid 5870] setpgid(0, 0 [pid 5869] <... prctl resumed>) = 0 [pid 5871] <... prctl resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 5872 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5872] <... set_robust_list resumed>) = 0 [pid 5870] <... setpgid resumed>) = 0 [pid 5869] setpgid(0, 0 [pid 5871] setpgid(0, 0 [pid 5870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5872] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5869] <... setpgid resumed>) = 0 [pid 5871] <... setpgid resumed>) = 0 [pid 5871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5870] <... openat resumed>) = 3 [pid 5869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5872] <... prctl resumed>) = 0 [pid 5872] setpgid(0, 0 [pid 5870] write(3, "1000", 4 [pid 5872] <... setpgid resumed>) = 0 [pid 5870] <... write resumed>) = 4 [pid 5872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5869] <... openat resumed>) = 3 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5872] <... openat resumed>) = 3 [pid 5871] <... openat resumed>) = 3 [pid 5870] close(3 [pid 5869] write(3, "1000", 4 executing program [pid 5871] write(3, "1000", 4 [pid 5870] <... close resumed>) = 0 [pid 5869] <... write resumed>) = 4 [pid 5870] write(1, "executing program\n", 18 [pid 5869] close(3 [pid 5872] write(3, "1000", 4 [pid 5870] <... write resumed>) = 18 [pid 5871] <... write resumed>) = 4 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] <... write resumed>) = 4 [pid 5870] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5869] <... close resumed>) = 0 ./strace-static-x86_64: Process 5873 attached [pid 5873] set_robust_list(0x5555802da660, 24 [pid 5872] close(3 [pid 5871] close(3 [pid 5869] write(1, "executing program\n", 18 [pid 5873] <... set_robust_list resumed>) = 0 executing program [pid 5872] <... close resumed>) = 0 [pid 5870] <... bpf resumed>) = 3 [pid 5873] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 5872] write(1, "executing program\n", 18 [pid 5871] <... close resumed>) = 0 executing program [pid 5869] <... write resumed>) = 18 [pid 5872] <... write resumed>) = 18 [pid 5871] write(1, "executing program\n", 18 [pid 5870] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5872] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5871] <... write resumed>) = 18 [pid 5869] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 5873 [pid 5871] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5870] <... bpf resumed>) = 4 [pid 5872] <... bpf resumed>) = 3 [pid 5869] <... bpf resumed>) = 3 [pid 5873] <... prctl resumed>) = 0 [pid 5871] <... bpf resumed>) = 3 [pid 5873] setpgid(0, 0) = 0 [pid 5872] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5869] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5871] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5870] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5873] <... openat resumed>) = 3 [pid 5873] write(3, "1000", 4 [pid 5870] <... bpf resumed>) = 5 [pid 5873] <... write resumed>) = 4 [pid 5872] <... bpf resumed>) = 4 [pid 5873] close(3 [pid 5871] <... bpf resumed>) = 4 [pid 5873] <... close resumed>) = 0 [pid 5872] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16executing program [pid 5873] write(1, "executing program\n", 18 [pid 5872] <... bpf resumed>) = 5 [pid 5871] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5870] exit_group(0 [pid 5869] <... bpf resumed>) = 4 [pid 5873] <... write resumed>) = 18 [pid 5871] <... bpf resumed>) = 5 [pid 5870] <... exit_group resumed>) = ? [pid 5869] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5872] exit_group(0 [pid 5873] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5872] <... exit_group resumed>) = ? [pid 5871] exit_group(0 [pid 5873] <... bpf resumed>) = 3 [pid 5870] +++ exited with 0 +++ [pid 5873] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5871] <... exit_group resumed>) = ? [pid 5873] <... bpf resumed>) = 4 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5870, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5873] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5874 attached , child_tidptr=0x5555802da650) = 5874 [pid 5874] set_robust_list(0x5555802da660, 24 [pid 5872] +++ exited with 0 +++ [pid 5869] <... bpf resumed>) = 5 [pid 5874] <... set_robust_list resumed>) = 0 [pid 5869] exit_group(0 [pid 5840] --- 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 5874] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5869] <... exit_group resumed>) = ? [pid 5874] <... prctl resumed>) = 0 [pid 5874] setpgid(0, 0) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5875 attached ) = 3 [pid 5875] set_robust_list(0x5555802da660, 24) = 0 [pid 5874] write(3, "1000", 4 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 5875 [pid 5874] <... write resumed>) = 4 [pid 5875] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5874] close(3) = 0 [pid 5874] write(1, "executing program\n", 18executing program ) = 18 [pid 5875] <... prctl resumed>) = 0 [pid 5873] <... bpf resumed>) = 5 [pid 5871] +++ exited with 0 +++ [pid 5875] setpgid(0, 0 [pid 5874] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5873] exit_group(0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5871, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5875] <... setpgid resumed>) = 0 [pid 5874] <... bpf resumed>) = 3 [pid 5873] <... exit_group resumed>) = ? [pid 5875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5874] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5876 attached [pid 5875] <... openat resumed>) = 3 [pid 5874] <... bpf resumed>) = 4 [pid 5875] write(3, "1000", 4) = 4 [pid 5876] set_robust_list(0x5555802da660, 24) = 0 [pid 5875] close(3) = 0 [pid 5876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5875] write(1, "executing program\n", 18 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 5876 executing program [pid 5876] setpgid(0, 0 [pid 5875] <... write resumed>) = 18 [pid 5874] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5876] <... setpgid resumed>) = 0 [pid 5875] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5875] <... bpf resumed>) = 3 [pid 5876] write(3, "1000", 4 executing program [pid 5875] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5876] <... write resumed>) = 4 [pid 5876] close(3) = 0 [pid 5876] write(1, "executing program\n", 18) = 18 [pid 5876] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5875] <... bpf resumed>) = 4 [pid 5869] +++ exited with 0 +++ [pid 5876] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 5875] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5873] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5869, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5876] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5875] <... bpf resumed>) = 5 [pid 5874] <... bpf resumed>) = 5 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5873, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5876] <... bpf resumed>) = 5 [pid 5875] exit_group(0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5876] exit_group(0 [pid 5875] <... exit_group resumed>) = ? [pid 5874] exit_group(0./strace-static-x86_64: Process 5877 attached [pid 5876] <... exit_group resumed>) = ? [pid 5875] +++ exited with 0 +++ [pid 5874] <... exit_group resumed>) = ? [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5877] set_robust_list(0x5555802da660, 24./strace-static-x86_64: Process 5878 attached [pid 5878] set_robust_list(0x5555802da660, 24) = 0 [pid 5878] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5877] <... set_robust_list resumed>) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 5878 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5875, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 5877 [pid 5878] setpgid(0, 0 [pid 5877] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5877] <... prctl resumed>) = 0 [pid 5840] <... restart_syscall resumed>) = 0 [pid 5877] setpgid(0, 0) = 0 [pid 5878] <... setpgid resumed>) = 0 [pid 5878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5878] <... openat resumed>) = 3 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5878] write(3, "1000", 4 [pid 5877] <... openat resumed>) = 3 [pid 5878] <... write resumed>) = 4 [pid 5878] close(3executing program ) = 0 [pid 5878] write(1, "executing program\n", 18./strace-static-x86_64: Process 5879 attached ) = 18 [pid 5877] write(3, "1000", 4 [pid 5878] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5877] <... write resumed>) = 4 [pid 5879] set_robust_list(0x5555802da660, 24 [pid 5874] +++ exited with 0 +++ [pid 5878] <... bpf resumed>) = 3 [pid 5877] close(3 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 5879 [pid 5879] <... set_robust_list resumed>) = 0 [pid 5878] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5877] <... close resumed>) = 0 [pid 5876] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5874, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5879] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5878] <... bpf resumed>) = 4 executing program [pid 5877] write(1, "executing program\n", 18 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5876, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5877] <... write resumed>) = 18 [pid 5879] <... prctl resumed>) = 0 [pid 5842] <... restart_syscall resumed>) = 0 [pid 5878] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5877] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5879] setpgid(0, 0 [pid 5877] <... bpf resumed>) = 3 [pid 5879] <... setpgid resumed>) = 0 [pid 5877] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5881 attached ./strace-static-x86_64: Process 5880 attached [pid 5881] set_robust_list(0x5555802da660, 24 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 5881 [pid 5877] <... bpf resumed>) = 4 [pid 5881] <... set_robust_list resumed>) = 0 [pid 5881] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5879] <... openat resumed>) = 3 [pid 5880] set_robust_list(0x5555802da660, 24 [pid 5879] write(3, "1000", 4 [pid 5878] <... bpf resumed>) = 5 [pid 5877] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5880] <... set_robust_list resumed>) = 0 [pid 5879] <... write resumed>) = 4 [pid 5881] <... prctl resumed>) = 0 [pid 5880] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5878] exit_group(0 [pid 5877] <... bpf resumed>) = 5 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 5880 [pid 5879] close(3 [pid 5881] setpgid(0, 0 [pid 5880] <... prctl resumed>) = 0 [pid 5879] <... close resumed>) = 0 [pid 5878] <... exit_group resumed>) = ? [pid 5877] exit_group(0 [pid 5880] setpgid(0, 0 [pid 5879] write(1, "executing program\n", 18 [pid 5881] <... setpgid resumed>) = 0 executing program [pid 5880] <... setpgid resumed>) = 0 [pid 5877] <... exit_group resumed>) = ? [pid 5881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5879] <... write resumed>) = 18 [pid 5881] <... openat resumed>) = 3 [pid 5881] write(3, "1000", 4 [pid 5880] <... openat resumed>) = 3 [pid 5879] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5881] <... write resumed>) = 4 [pid 5880] write(3, "1000", 4 [pid 5879] <... bpf resumed>) = 3 [pid 5878] +++ exited with 0 +++ [pid 5881] close(3 [pid 5880] <... write resumed>) = 4 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5878, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5881] <... close resumed>) = 0 [pid 5880] close(3 [pid 5879] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5846] restart_syscall(<... resuming interrupted clone ...>executing program [pid 5881] write(1, "executing program\n", 18 [pid 5880] <... close resumed>) = 0 [pid 5879] <... bpf resumed>) = 4 [pid 5877] +++ exited with 0 +++ [pid 5881] <... write resumed>) = 18 executing program [pid 5880] write(1, "executing program\n", 18 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5877, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5881] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5880] <... write resumed>) = 18 [pid 5879] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5881] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5880] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5881] <... bpf resumed>) = 4 [pid 5880] <... bpf resumed>) = 3 [pid 5879] <... bpf resumed>) = 5 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5879] exit_group(0./strace-static-x86_64: Process 5882 attached [pid 5880] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5879] <... exit_group resumed>) = ? [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5881] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5880] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 5883 attached [pid 5881] <... bpf resumed>) = 5 [pid 5883] set_robust_list(0x5555802da660, 24) = 0 [pid 5883] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5881] exit_group(0 [pid 5882] set_robust_list(0x5555802da660, 24 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 5882 [pid 5882] <... set_robust_list resumed>) = 0 [pid 5883] <... prctl resumed>) = 0 [pid 5881] <... exit_group resumed>) = ? [pid 5882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 5883 [pid 5883] setpgid(0, 0 [pid 5882] setpgid(0, 0 [pid 5883] <... setpgid resumed>) = 0 [pid 5882] <... setpgid resumed>) = 0 [pid 5880] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5883] <... openat resumed>) = 3 [pid 5882] <... openat resumed>) = 3 [pid 5882] write(3, "1000", 4 [pid 5883] write(3, "1000", 4 [pid 5882] <... write resumed>) = 4 [pid 5883] <... write resumed>) = 4 [pid 5883] close(3executing program ) = 0 [pid 5883] write(1, "executing program\n", 18) = 18 [pid 5883] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5882] close(3 [pid 5881] +++ exited with 0 +++ [pid 5879] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5881, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5883] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5882] <... close resumed>) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5879, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5883] <... bpf resumed>) = 4 [pid 5882] write(1, "executing program\n", 18executing program [pid 5883] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5882] <... write resumed>) = 18 [pid 5882] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5882] <... bpf resumed>) = 3 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5884 attached [pid 5882] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144./strace-static-x86_64: Process 5885 attached [pid 5884] set_robust_list(0x5555802da660, 24 [pid 5882] <... bpf resumed>) = 4 [pid 5884] <... set_robust_list resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 5884 [pid 5884] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5882] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 5885 [pid 5885] set_robust_list(0x5555802da660, 24 [pid 5884] <... prctl resumed>) = 0 [pid 5883] <... bpf resumed>) = 5 [pid 5880] <... bpf resumed>) = 5 [pid 5885] <... set_robust_list resumed>) = 0 [pid 5884] setpgid(0, 0 [pid 5883] exit_group(0 [pid 5882] <... bpf resumed>) = 5 [pid 5880] exit_group(0 [pid 5885] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5884] <... setpgid resumed>) = 0 [pid 5883] <... exit_group resumed>) = ? [pid 5882] exit_group(0 [pid 5880] <... exit_group resumed>) = ? [pid 5885] <... prctl resumed>) = 0 [pid 5884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5883] +++ exited with 0 +++ [pid 5882] <... exit_group resumed>) = ? [pid 5884] <... openat resumed>) = 3 [pid 5882] +++ exited with 0 +++ [pid 5885] setpgid(0, 0) = 0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5883, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5884] write(3, "1000", 4 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5882, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5884] <... write resumed>) = 4 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5884] close(3executing program [pid 5885] <... openat resumed>) = 3 [pid 5884] <... close resumed>) = 0 [pid 5884] write(1, "executing program\n", 18) = 18 [pid 5884] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5885] write(3, "1000", 4 [pid 5884] <... bpf resumed>) = 3 [pid 5880] +++ exited with 0 +++ [pid 5846] <... restart_syscall resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5885] <... write resumed>) = 4 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5880, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5885] close(3) = 0 [pid 5884] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5885] write(1, "executing program\n", 18 [pid 5884] <... bpf resumed>) = 4 executing program [pid 5885] <... write resumed>) = 18 [pid 5885] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5885] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 5886 attached [pid 5884] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 5886 ./strace-static-x86_64: Process 5888 attached ./strace-static-x86_64: Process 5887 attached [pid 5886] set_robust_list(0x5555802da660, 24 [pid 5885] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5884] <... bpf resumed>) = 5 [pid 5888] set_robust_list(0x5555802da660, 24 [pid 5887] set_robust_list(0x5555802da660, 24 [pid 5886] <... set_robust_list resumed>) = 0 [pid 5885] <... bpf resumed>) = 4 [pid 5884] exit_group(0 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 5888 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 5887 [pid 5887] <... set_robust_list resumed>) = 0 [pid 5886] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5887] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5886] <... prctl resumed>) = 0 [pid 5886] setpgid(0, 0 [pid 5884] <... exit_group resumed>) = ? [pid 5888] <... set_robust_list resumed>) = 0 [pid 5887] <... prctl resumed>) = 0 [pid 5886] <... setpgid resumed>) = 0 [pid 5884] +++ exited with 0 +++ [pid 5888] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] --- 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] setpgid(0, 0 [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5885] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5888] <... prctl resumed>) = 0 [pid 5887] <... setpgid resumed>) = 0 [pid 5886] <... openat resumed>) = 3 [pid 5840] <... restart_syscall resumed>) = 0 [pid 5888] setpgid(0, 0 [pid 5887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5886] write(3, "1000", 4 [pid 5888] <... setpgid resumed>) = 0 [pid 5886] <... write resumed>) = 4 [pid 5886] close(3 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5889 attached [pid 5888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5887] <... openat resumed>) = 3 [pid 5886] <... close resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 5889 [pid 5889] set_robust_list(0x5555802da660, 24 [pid 5888] <... openat resumed>) = 3 [pid 5887] write(3, "1000", 4 [pid 5886] write(1, "executing program\n", 18 [pid 5885] <... bpf resumed>) = 5 [pid 5888] write(3, "1000", 4 [pid 5887] <... write resumed>) = 4 executing program [pid 5888] <... write resumed>) = 4 [pid 5887] close(3 [pid 5889] <... set_robust_list resumed>) = 0 [pid 5888] close(3 [pid 5887] <... close resumed>) = 0 [pid 5886] <... write resumed>) = 18 [pid 5889] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5888] <... close resumed>) = 0 executing program [pid 5887] write(1, "executing program\n", 18 executing program [pid 5886] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5885] exit_group(0 [pid 5889] <... prctl resumed>) = 0 [pid 5888] write(1, "executing program\n", 18 [pid 5887] <... write resumed>) = 18 [pid 5885] <... exit_group resumed>) = ? [pid 5889] setpgid(0, 0 [pid 5888] <... write resumed>) = 18 [pid 5887] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5886] <... bpf resumed>) = 3 [pid 5888] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5887] <... bpf resumed>) = 3 [pid 5889] <... setpgid resumed>) = 0 [pid 5888] <... bpf resumed>) = 3 [pid 5887] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5886] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5888] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5889] <... openat resumed>) = 3 [pid 5887] <... bpf resumed>) = 4 [pid 5886] <... bpf resumed>) = 4 [pid 5885] +++ exited with 0 +++ [pid 5889] write(3, "1000", 4 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5885, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5889] <... write resumed>) = 4 [pid 5886] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5889] close(3) = 0 executing program [pid 5889] write(1, "executing program\n", 18) = 18 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5889] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5890 attached [pid 5888] <... bpf resumed>) = 4 [pid 5887] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5888] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 5890 [pid 5890] set_robust_list(0x5555802da660, 24 [pid 5889] <... bpf resumed>) = 3 [pid 5888] <... bpf resumed>) = 5 [pid 5887] <... bpf resumed>) = 5 [pid 5886] <... bpf resumed>) = 5 [pid 5890] <... set_robust_list resumed>) = 0 [pid 5889] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5888] exit_group(0 [pid 5887] exit_group(0 [pid 5886] exit_group(0 [pid 5890] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5888] <... exit_group resumed>) = ? [pid 5886] <... exit_group resumed>) = ? [pid 5890] <... prctl resumed>) = 0 [pid 5889] <... bpf resumed>) = 4 [pid 5888] +++ exited with 0 +++ [pid 5887] <... exit_group resumed>) = ? [pid 5890] setpgid(0, 0) = 0 [pid 5890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5888, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5890] <... openat resumed>) = 3 [pid 5890] write(3, "1000", 4 [pid 5889] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5890] <... write resumed>) = 4 [pid 5890] close(3) = 0 [pid 5890] write(1, "executing program\n", 18executing program ) = 18 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5890] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5891 attached [pid 5887] +++ exited with 0 +++ [pid 5886] +++ exited with 0 +++ [pid 5891] set_robust_list(0x5555802da660, 24 [pid 5890] <... bpf resumed>) = 3 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 5891 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5887, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5886, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5890] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5891] <... set_robust_list resumed>) = 0 [pid 5890] <... bpf resumed>) = 4 [pid 5891] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5890] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16./strace-static-x86_64: Process 5892 attached [pid 5891] <... prctl resumed>) = 0 [pid 5889] <... bpf resumed>) = 5 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5892] set_robust_list(0x5555802da660, 24 [pid 5891] setpgid(0, 0 [pid 5890] <... bpf resumed>) = 5 [pid 5889] exit_group(0 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 5892 [pid 5892] <... set_robust_list resumed>) = 0 [pid 5892] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5893 attached [pid 5891] <... setpgid resumed>) = 0 [pid 5889] <... exit_group resumed>) = ? [pid 5893] set_robust_list(0x5555802da660, 24 [pid 5892] <... prctl resumed>) = 0 [pid 5891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5893] <... set_robust_list resumed>) = 0 [pid 5893] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5892] setpgid(0, 0 [pid 5890] exit_group(0 [pid 5893] <... prctl resumed>) = 0 [pid 5892] <... setpgid resumed>) = 0 [pid 5891] <... openat resumed>) = 3 [pid 5890] <... exit_group resumed>) = ? [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 5893 [pid 5893] setpgid(0, 0 [pid 5892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5891] write(3, "1000", 4 [pid 5893] <... setpgid resumed>) = 0 [pid 5893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5891] <... write resumed>) = 4 [pid 5892] <... openat resumed>) = 3 [pid 5891] close(3 [pid 5893] <... openat resumed>) = 3 [pid 5892] write(3, "1000", 4 [pid 5891] <... close resumed>) = 0 [pid 5892] <... write resumed>) = 4 [pid 5892] close(3) = 0 executing program [pid 5892] write(1, "executing program\n", 18 [pid 5893] write(3, "1000", 4 [pid 5892] <... write resumed>) = 18 executing program [pid 5891] write(1, "executing program\n", 18 [pid 5890] +++ exited with 0 +++ [pid 5889] +++ exited with 0 +++ [pid 5891] <... write resumed>) = 18 [pid 5893] <... write resumed>) = 4 [pid 5892] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5891] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5889, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5893] close(3 [pid 5892] <... bpf resumed>) = 3 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5890, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5891] <... bpf resumed>) = 3 [pid 5893] <... close resumed>) = 0 [pid 5892] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 executing program [pid 5891] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5893] write(1, "executing program\n", 18./strace-static-x86_64: Process 5894 attached ) = 18 [pid 5892] <... bpf resumed>) = 4 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5893] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5894] set_robust_list(0x5555802da660, 24 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 5894 [pid 5891] <... bpf resumed>) = 4 [pid 5893] <... bpf resumed>) = 3 [pid 5893] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5894] <... set_robust_list resumed>) = 0 [pid 5891] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5894] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5895 attached [pid 5895] set_robust_list(0x5555802da660, 24 [pid 5894] <... prctl resumed>) = 0 [pid 5895] <... set_robust_list resumed>) = 0 [pid 5894] setpgid(0, 0 [pid 5893] <... bpf resumed>) = 4 [pid 5891] <... bpf resumed>) = 5 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 5895 [pid 5894] <... setpgid resumed>) = 0 [pid 5892] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5895] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5892] <... bpf resumed>) = 5 [pid 5895] <... prctl resumed>) = 0 [pid 5894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 60.581609][ T5832] [ 60.583979][ T5832] ============================================ [ 60.590140][ T5832] WARNING: possible recursive locking detected [ 60.596283][ T5832] 6.12.0-rc4-syzkaller-g87cb58aebdf7 #0 Not tainted [ 60.602849][ T5832] -------------------------------------------- [ 60.608979][ T5832] sshd/5832 is trying to acquire lock: [ 60.614425][ T5832] ffffc9000416d0d8 (&rb->spinlock){-.-.}-{2:2}, at: __bpf_ringbuf_reserve+0x1ea/0x600 [ 60.624056][ T5832] [ 60.624056][ T5832] but task is already holding lock: [ 60.631401][ T5832] ffffc900041590d8 (&rb->spinlock){-.-.}-{2:2}, at: __bpf_ringbuf_reserve+0x1ea/0x600 [ 60.640962][ T5832] [ 60.640962][ T5832] other info that might help us debug this: [ 60.649023][ T5832] Possible unsafe locking scenario: [ 60.649023][ T5832] [ 60.656455][ T5832] CPU0 [ 60.659710][ T5832] ---- [ 60.662970][ T5832] lock(&rb->spinlock); [ 60.667190][ T5832] lock(&rb->spinlock); [ 60.671408][ T5832] [ 60.671408][ T5832] *** DEADLOCK *** [ 60.671408][ T5832] [ 60.679535][ T5832] May be due to missing lock nesting notation [ 60.679535][ T5832] [ 60.687831][ T5832] 4 locks held by sshd/5832: [ 60.692399][ T5832] #0: ffff888032550468 (&pipe->mutex){+.+.}-{3:3}, at: pipe_read+0x127/0x13e0 [ 60.701340][ T5832] #1: ffffffff8e937e20 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x1fc/0x540 [ 60.710712][ T5832] #2: ffffc900041590d8 (&rb->spinlock){-.-.}-{2:2}, at: __bpf_ringbuf_reserve+0x1ea/0x600 [ 60.720695][ T5832] #3: ffffffff8e937e20 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x1fc/0x540 [ 60.730069][ T5832] [ 60.730069][ T5832] stack backtrace: [ 60.735951][ T5832] CPU: 1 UID: 0 PID: 5832 Comm: sshd Not tainted 6.12.0-rc4-syzkaller-g87cb58aebdf7 #0 [ 60.745558][ T5832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 60.755598][ T5832] Call Trace: [ 60.758867][ T5832] [ 60.761783][ T5832] dump_stack_lvl+0x241/0x360 [ 60.766458][ T5832] ? __pfx_dump_stack_lvl+0x10/0x10 [ 60.771664][ T5832] ? __pfx__printk+0x10/0x10 [ 60.776244][ T5832] ? lockdep_unlock+0x16a/0x300 [ 60.781092][ T5832] print_deadlock_bug+0x483/0x620 [ 60.786122][ T5832] validate_chain+0x15e2/0x5920 [ 60.790964][ T5832] ? __pfx_validate_chain+0x10/0x10 [ 60.796147][ T5832] ? validate_chain+0x11e/0x5920 [ 60.801064][ T5832] ? validate_chain+0x11e/0x5920 [ 60.805986][ T5832] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 60.812313][ T5832] ? mark_lock+0x9a/0x360 [ 60.816641][ T5832] __lock_acquire+0x1384/0x2050 [ 60.821487][ T5832] lock_acquire+0x1ed/0x550 [ 60.825978][ T5832] ? __bpf_ringbuf_reserve+0x1ea/0x600 [ 60.831423][ T5832] ? __pfx_lock_acquire+0x10/0x10 [ 60.836438][ T5832] ? mark_lock+0x9a/0x360 [ 60.840753][ T5832] ? __lock_acquire+0x1384/0x2050 [ 60.845780][ T5832] _raw_spin_lock_irqsave+0xd5/0x120 [ 60.851045][ T5832] ? __bpf_ringbuf_reserve+0x1ea/0x600 [ 60.856488][ T5832] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 60.862365][ T5832] __bpf_ringbuf_reserve+0x1ea/0x600 [ 60.867633][ T5832] ? __pfx_lock_acquire+0x10/0x10 [ 60.872641][ T5832] ? __pfx___bpf_ringbuf_reserve+0x10/0x10 [ 60.878433][ T5832] ? __pfx___cant_migrate+0x10/0x10 [ 60.883616][ T5832] ? kvm_sched_clock_read+0x11/0x20 [ 60.888793][ T5832] ? sched_clock+0x4a/0x70 [ 60.893193][ T5832] bpf_ringbuf_reserve+0x5c/0x70 [ 60.898115][ T5832] ? bpf_trace_run2+0x1fc/0x540 [ 60.902948][ T5832] bpf_prog_0e153dac479590bf+0x35/0x70 [ 60.908391][ T5832] ? bpf_trace_run2+0x1fc/0x540 [ 60.913251][ T5832] ? bpf_trace_run2+0x1fc/0x540 [ 60.918080][ T5832] bpf_trace_run2+0x2ec/0x540 [ 60.922741][ T5832] ? __pfx_bpf_trace_run2+0x10/0x10 [ 60.927922][ T5832] ? __pfx___bpf_trace_contention_begin+0x10/0x10 [ 60.934316][ T5832] __traceiter_contention_begin+0x7b/0xb0 [ 60.940015][ T5832] trace_contention_begin+0x117/0x140 [ 60.945371][ T5832] __pv_queued_spin_lock_slowpath+0x114/0xdb0 [ 60.951424][ T5832] ? __pfx___pv_queued_spin_lock_slowpath+0x10/0x10 [ 60.957997][ T5832] queued_spin_lock_slowpath+0x42/0x50 [ 60.963450][ T5832] do_raw_spin_lock+0x272/0x370 [ 60.968301][ T5832] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 60.973666][ T5832] _raw_spin_lock_irqsave+0xe1/0x120 [ 60.978945][ T5832] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 60.984820][ T5832] __bpf_ringbuf_reserve+0x1ea/0x600 [ 60.990087][ T5832] ? __pfx_lock_acquire+0x10/0x10 [ 60.995099][ T5832] ? __pfx___bpf_ringbuf_reserve+0x10/0x10 [ 61.000886][ T5832] ? __pfx___cant_migrate+0x10/0x10 [ 61.006072][ T5832] bpf_ringbuf_reserve+0x5c/0x70 [ 61.010991][ T5832] ? bpf_trace_run2+0x1fc/0x540 [ 61.015821][ T5832] ? bpf_trace_run2+0x1fc/0x540 [ 61.020652][ T5832] ? bpf_trace_run2+0x1fc/0x540 [ 61.025489][ T5832] ? bpf_trace_run2+0x2ec/0x540 [ 61.030336][ T5832] ? __pfx_bpf_trace_run2+0x10/0x10 [ 61.035517][ T5832] ? __pfx___might_resched+0x10/0x10 [ 61.040788][ T5832] ? __pfx___bpf_trace_contention_begin+0x10/0x10 [ 61.047191][ T5832] ? __traceiter_contention_begin+0x7b/0xb0 [ 61.053087][ T5832] ? trace_contention_begin+0xf5/0x120 [ 61.058528][ T5832] ? __mutex_lock+0x147/0xd70 [ 61.063189][ T5832] ? __pfx_lock_release+0x10/0x10 [ 61.068224][ T5832] ? pipe_read+0x127/0x13e0 [ 61.072730][ T5832] ? __pfx___mutex_lock+0x10/0x10 [ 61.077734][ T5832] ? aa_file_perm+0x137/0xf50 [ 61.082407][ T5832] ? aa_file_perm+0x3ef/0xf50 [ 61.087069][ T5832] ? pipe_read+0x127/0x13e0 [ 61.091555][ T5832] ? __pfx_aa_file_perm+0x10/0x10 [ 61.096562][ T5832] ? mark_lock+0x9a/0x360 [ 61.100871][ T5832] ? __lock_acquire+0x1384/0x2050 [ 61.105882][ T5832] ? __pfx_pipe_read+0x10/0x10 [ 61.110629][ T5832] ? end_current_label_crit_section+0x151/0x180 [ 61.116854][ T5832] ? common_file_perm+0x1a6/0x210 [ 61.121861][ T5832] ? bpf_lsm_file_permission+0x9/0x10 [ 61.127216][ T5832] ? security_file_permission+0x74/0x280 [ 61.132834][ T5832] ? vfs_read+0x9bb/0xbc0 [ 61.137142][ T5832] ? __pfx___might_resched+0x10/0x10 [ 61.142414][ T5832] ? __pfx_vfs_read+0x10/0x10 [ 61.147072][ T5832] ? _copy_to_user+0x86/0xb0 [ 61.151641][ T5832] ? fdget_pos+0x19a/0x320 [ 61.156042][ T5832] ? ksys_read+0x183/0x2b0 [ 61.160439][ T5832] ? __pfx_ksys_read+0x10/0x10 [ 61.165182][ T5832] ? do_syscall_64+0x100/0x230 [ 61.169932][ T5832] ? do_syscall_64+0xb6/0x230 [ 61.174590][ T5832] ? do_syscall_64+0xf3/0x230 [ 61.179247][ T5832] ? clear_bhb_loop+0x35/0x90 [pid 5895] setpgid(0, 0executing program executing program executing program ) = 0 [pid 5893] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5892] exit_group(0 [pid 5891] exit_group(0 [pid 5894] <... openat resumed>) = 3 [pid 5895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5893] <... bpf resumed>) = 5 [pid 5892] <... exit_group resumed>) = ? [pid 5891] <... exit_group resumed>) = ? [pid 5893] exit_group(0 [pid 5892] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5892, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5893] <... exit_group resumed>) = ? [pid 5895] <... openat resumed>) = 3 [pid 5894] write(3, "1000", 4 [pid 5895] write(3, "1000", 4 [pid 5894] <... write resumed>) = 4 [pid 5895] <... write resumed>) = 4 [pid 5894] close(3 [pid 5895] close(3) = 0 [pid 5894] <... close resumed>) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5895] write(1, "executing program\n", 18 [pid 5894] write(1, "executing program\n", 18 [pid 5895] <... write resumed>) = 18 [pid 5894] <... write resumed>) = 18 [pid 5894] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5896 attached [pid 5895] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5894] <... bpf resumed>) = 3 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 5896 [pid 5896] set_robust_list(0x5555802da660, 24 [pid 5895] <... bpf resumed>) = 3 [pid 5896] <... set_robust_list resumed>) = 0 [pid 5894] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5896] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5895] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5896] <... prctl resumed>) = 0 [pid 5895] <... bpf resumed>) = 4 [pid 5894] <... bpf resumed>) = 4 [pid 5896] setpgid(0, 0) = 0 [pid 5896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5895] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5894] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5896] write(3, "1000", 4) = 4 [pid 5896] close(3) = 0 [pid 5896] write(1, "executing program\n", 18) = 18 [pid 5896] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5896] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 5896] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5891] +++ exited with 0 +++ [pid 5893] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5891, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5893, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5897 attached , child_tidptr=0x5555802da650) = 5897 [pid 5897] set_robust_list(0x5555802da660, 24) = 0 [pid 5897] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5897] setpgid(0, 0) = 0 [pid 5897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5896] <... bpf resumed>) = 5 [pid 5895] <... bpf resumed>) = 5 [pid 5894] <... bpf resumed>) = 5 [pid 5897] write(3, "1000", 4 [pid 5896] exit_group(0 [pid 5894] exit_group(0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5898 attached [pid 5897] <... write resumed>) = 4 [pid 5896] <... exit_group resumed>) = ? [pid 5895] exit_group(0 [pid 5894] <... exit_group resumed>) = ? [pid 5897] close(3 [pid 5894] +++ exited with 0 +++ [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 5898 [pid 5898] set_robust_list(0x5555802da660, 24 [pid 5897] <... close resumed>) = 0 [pid 5896] +++ exited with 0 +++ [pid 5895] <... exit_group resumed>) = ? executing program [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5894, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5898] <... set_robust_list resumed>) = 0 [pid 5897] write(1, "executing program\n", 18 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5896, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5898] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5897] <... write resumed>) = 18 [pid 5898] <... prctl resumed>) = 0 [pid 5898] setpgid(0, 0 [pid 5897] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5898] <... setpgid resumed>) = 0 [pid 5897] <... bpf resumed>) = 3 [pid 5895] +++ exited with 0 +++ [pid 5897] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5895, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5899 attached [pid 5898] <... openat resumed>) = 3 [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5898] write(3, "1000", 4) = 4 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 5899 [pid 5898] close(3) = 0 [ 61.183919][ T5832] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 61.189989][ T5832] executing program [pid 5898] write(1, "executing program\n", 18) = 18 [pid 5898] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5899] set_robust_list(0x5555802da660, 24 [pid 5897] <... bpf resumed>) = 4 [pid 5840] <... restart_syscall resumed>) = 0 [pid 5899] <... set_robust_list resumed>) = 0 [pid 5898] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5899] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5898] <... bpf resumed>) = 4 [pid 5897] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5899] <... prctl resumed>) = 0 [pid 5899] setpgid(0, 0) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5897] <... bpf resumed>) = 5 [pid 5899] <... openat resumed>) = 3 [pid 5899] write(3, "1000", 4 [pid 5898] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5899] <... write resumed>) = 4 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5900 attached [pid 5899] close(3 [pid 5898] <... bpf resumed>) = 5 [pid 5900] set_robust_list(0x5555802da660, 24 [pid 5899] <... close resumed>) = 0 [pid 5899] write(1, "executing program\n", 18 [pid 5900] <... set_robust_list resumed>) = 0 executing program ./strace-static-x86_64: Process 5901 attached [pid 5900] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5899] <... write resumed>) = 18 [pid 5898] exit_group(0 [pid 5901] set_robust_list(0x5555802da660, 24 [pid 5900] <... prctl resumed>) = 0 [pid 5899] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5897] exit_group(0 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 5900 [pid 5901] <... set_robust_list resumed>) = 0 [pid 5897] <... exit_group resumed>) = ? [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 5901 [pid 5900] setpgid(0, 0 [pid 5899] <... bpf resumed>) = 3 [pid 5898] <... exit_group resumed>) = ? [pid 5901] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5900] <... setpgid resumed>) = 0 [pid 5899] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5901] <... prctl resumed>) = 0 [pid 5900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5899] <... bpf resumed>) = 4 [pid 5901] setpgid(0, 0 [pid 5899] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5901] <... setpgid resumed>) = 0 [pid 5900] <... openat resumed>) = 3 [pid 5900] write(3, "1000", 4 [pid 5901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5900] <... write resumed>) = 4 [pid 5901] write(3, "1000", 4 [pid 5900] close(3 [pid 5901] <... write resumed>) = 4 [pid 5900] <... close resumed>) = 0 [pid 5901] close(3 [pid 5900] write(1, "executing program\n", 18 [pid 5901] <... close resumed>) = 0 executing program [pid 5901] write(1, "executing program\n", 18executing program [pid 5900] <... write resumed>) = 18 [pid 5901] <... write resumed>) = 18 [pid 5900] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5901] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5900] <... bpf resumed>) = 3 [pid 5900] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5901] <... bpf resumed>) = 3 [pid 5900] <... bpf resumed>) = 4 [pid 5898] +++ exited with 0 +++ [pid 5897] +++ exited with 0 +++ [pid 5901] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5898, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5897, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5900] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5901] <... bpf resumed>) = 4 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5901] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5902 attached [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 5902 ./strace-static-x86_64: Process 5903 attached [pid 5902] set_robust_list(0x5555802da660, 24 [pid 5901] <... bpf resumed>) = 5 [pid 5900] <... bpf resumed>) = 5 [pid 5899] <... bpf resumed>) = 5 [pid 5903] set_robust_list(0x5555802da660, 24 [pid 5902] <... set_robust_list resumed>) = 0 [pid 5900] exit_group(0 [pid 5903] <... set_robust_list resumed>) = 0 [pid 5902] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5900] <... exit_group resumed>) = ? [pid 5903] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5902] <... prctl resumed>) = 0 [pid 5901] exit_group(0 [pid 5900] +++ exited with 0 +++ [pid 5899] exit_group(0 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 5903 [pid 5903] <... prctl resumed>) = 0 [pid 5902] setpgid(0, 0 [pid 5901] <... exit_group resumed>) = ? [pid 5899] <... exit_group resumed>) = ? [pid 5903] setpgid(0, 0 [pid 5902] <... setpgid resumed>) = 0 [pid 5903] <... setpgid resumed>) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5900, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5903] <... openat resumed>) = 3 [pid 5903] write(3, "1000", 4) = 4 [pid 5903] close(3) = 0 executing program [pid 5903] write(1, "executing program\n", 18) = 18 ./strace-static-x86_64: Process 5904 attached [pid 5902] <... openat resumed>) = 3 [pid 5904] set_robust_list(0x5555802da660, 24 [pid 5903] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5902] write(3, "1000", 4 [pid 5904] <... set_robust_list resumed>) = 0 [pid 5903] <... bpf resumed>) = 3 [pid 5902] <... write resumed>) = 4 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 5904 [pid 5903] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5902] close(3 [pid 5904] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5903] <... bpf resumed>) = 4 [pid 5902] <... close resumed>) = 0 [pid 5902] write(1, "executing program\n", 18) = 18 executing program [pid 5902] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5904] <... prctl resumed>) = 0 [pid 5903] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5902] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5901] +++ exited with 0 +++ [pid 5899] +++ exited with 0 +++ [pid 5904] setpgid(0, 0 [pid 5902] <... bpf resumed>) = 4 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5899, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5901, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5904] <... setpgid resumed>) = 0 [pid 5904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5903] <... bpf resumed>) = 5 [pid 5902] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5904] <... openat resumed>) = 3 [pid 5903] exit_group(0 [pid 5902] <... bpf resumed>) = 5 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5904] write(3, "1000", 4 [pid 5903] <... exit_group resumed>) = ? [pid 5902] exit_group(0./strace-static-x86_64: Process 5905 attached [pid 5904] <... write resumed>) = 4 [pid 5904] close(3) = 0 executing program [pid 5905] set_robust_list(0x5555802da660, 24 [pid 5904] write(1, "executing program\n", 18 [pid 5905] <... set_robust_list resumed>) = 0 [pid 5904] <... write resumed>) = 18 [pid 5902] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5906 attached [pid 5905] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5904] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 5905 [pid 5906] set_robust_list(0x5555802da660, 24 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 5906 [pid 5906] <... set_robust_list resumed>) = 0 [pid 5906] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5905] <... prctl resumed>) = 0 [pid 5904] <... bpf resumed>) = 3 [pid 5905] setpgid(0, 0 [pid 5904] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5906] <... prctl resumed>) = 0 [pid 5905] <... setpgid resumed>) = 0 [pid 5904] <... bpf resumed>) = 4 [pid 5906] setpgid(0, 0 [pid 5905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5906] <... setpgid resumed>) = 0 [pid 5906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program executing program [pid 5905] <... openat resumed>) = 3 [pid 5904] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5905] write(3, "1000", 4 [pid 5906] <... openat resumed>) = 3 [pid 5906] write(3, "1000", 4 [pid 5905] <... write resumed>) = 4 [pid 5906] <... write resumed>) = 4 [pid 5906] close(3 [pid 5905] close(3 [pid 5906] <... close resumed>) = 0 [pid 5906] write(1, "executing program\n", 18 [pid 5905] <... close resumed>) = 0 [pid 5906] <... write resumed>) = 18 [pid 5905] write(1, "executing program\n", 18 [pid 5906] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5905] <... write resumed>) = 18 [pid 5906] <... bpf resumed>) = 3 [pid 5905] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5906] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5905] <... bpf resumed>) = 3 [pid 5905] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5906] <... bpf resumed>) = 4 [pid 5903] +++ exited with 0 +++ [pid 5902] +++ exited with 0 +++ [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5902, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5906] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5905] <... bpf resumed>) = 4 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5903, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5907 attached ./strace-static-x86_64: Process 5908 attached [pid 5906] <... bpf resumed>) = 5 [pid 5905] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5904] <... bpf resumed>) = 5 [pid 5908] set_robust_list(0x5555802da660, 24 [pid 5907] set_robust_list(0x5555802da660, 24 [pid 5905] <... bpf resumed>) = 5 [pid 5906] exit_group(0 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 5907 [pid 5906] <... exit_group resumed>) = ? [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 5908 [pid 5908] <... set_robust_list resumed>) = 0 [pid 5907] <... set_robust_list resumed>) = 0 [pid 5906] +++ exited with 0 +++ [pid 5905] exit_group(0 [pid 5904] exit_group(0 [pid 5908] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5907] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5908] <... prctl resumed>) = 0 [pid 5907] <... prctl resumed>) = 0 [pid 5905] <... exit_group resumed>) = ? [pid 5904] <... exit_group resumed>) = ? [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5906, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...> [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 5907] setpgid(0, 0 [pid 5905] +++ exited with 0 +++ [pid 5904] +++ exited with 0 +++ [pid 5844] <... restart_syscall resumed>) = 0 [pid 5908] <... write resumed>) = 4 [pid 5907] <... setpgid resumed>) = 0 [pid 5908] close(3 [pid 5907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5905, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5904, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 5908] <... close resumed>) = 0 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5908] write(1, "executing program\n", 18 [pid 5907] <... openat resumed>) = 3 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] <... restart_syscall resumed>) = 0 [pid 5908] <... write resumed>) = 18 ./strace-static-x86_64: Process 5909 attached [pid 5908] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5909] set_robust_list(0x5555802da660, 24 [pid 5907] write(3, "1000", 4 [pid 5909] <... set_robust_list resumed>) = 0 [pid 5908] <... bpf resumed>) = 3 [pid 5907] <... write resumed>) = 4 [pid 5907] close(3 [pid 5908] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5907] <... close resumed>) = 0 [pid 5909] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5908] <... bpf resumed>) = 4 [pid 5907] write(1, "executing program\n", 18 executing program [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 5909 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5909] <... prctl resumed>) = 0 [pid 5909] setpgid(0, 0 [pid 5907] <... write resumed>) = 18 ./strace-static-x86_64: Process 5910 attached [pid 5907] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5910] set_robust_list(0x5555802da660, 24 [pid 5909] <... setpgid resumed>) = 0 [pid 5907] <... bpf resumed>) = 3 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 5910 [pid 5910] <... set_robust_list resumed>) = 0 [pid 5909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5908] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5907] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5910] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5909] <... openat resumed>) = 3 [pid 5907] <... bpf resumed>) = 4 [pid 5907] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5910] <... prctl resumed>) = 0 [pid 5909] write(3, "1000", 4 [pid 5908] <... bpf resumed>) = 5 [pid 5840] <... restart_syscall resumed>) = 0 [pid 5910] setpgid(0, 0 [pid 5907] <... bpf resumed>) = 5 [pid 5907] exit_group(0) = ? [pid 5910] <... setpgid resumed>) = 0 [pid 5909] <... write resumed>) = 4 [pid 5908] exit_group(0 [pid 5907] +++ exited with 0 +++ [pid 5910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5909] close(3 [pid 5908] <... exit_group resumed>) = ? [pid 5909] <... close resumed>) = 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5907, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5908] +++ exited with 0 +++ [pid 5910] <... openat resumed>) = 3 [pid 5909] write(1, "executing program\n", 18 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5908, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5910] write(3, "1000", 4 [pid 5909] <... write resumed>) = 18 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5910] <... write resumed>) = 4 ./strace-static-x86_64: Process 5911 attached [pid 5909] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5911] set_robust_list(0x5555802da660, 24 [pid 5910] close(3 [pid 5909] <... bpf resumed>) = 3 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 5911 [pid 5911] <... set_robust_list resumed>) = 0 [pid 5910] <... close resumed>) = 0 [pid 5909] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5911] prctl(PR_SET_PDEATHSIG, SIGKILL executing program [pid 5910] write(1, "executing program\n", 18 [pid 5909] <... bpf resumed>) = 4 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5911] <... prctl resumed>) = 0 [pid 5910] <... write resumed>) = 18 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5910] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5912 attached ./strace-static-x86_64: Process 5913 attached [pid 5911] setpgid(0, 0 [pid 5912] set_robust_list(0x5555802da660, 24 [pid 5911] <... setpgid resumed>) = 0 [pid 5910] <... bpf resumed>) = 3 [pid 5909] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 5913 [pid 5913] set_robust_list(0x5555802da660, 24 [pid 5912] <... set_robust_list resumed>) = 0 [pid 5911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5910] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5912] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5911] <... openat resumed>) = 3 [pid 5910] <... bpf resumed>) = 4 [pid 5909] <... bpf resumed>) = 5 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 5912 [pid 5913] <... set_robust_list resumed>) = 0 [pid 5912] <... prctl resumed>) = 0 [pid 5911] write(3, "1000", 4 [pid 5912] setpgid(0, 0 [pid 5913] prctl(PR_SET_PDEATHSIG, SIGKILL executing program [pid 5911] <... write resumed>) = 4 [pid 5913] <... prctl resumed>) = 0 [pid 5912] <... setpgid resumed>) = 0 [pid 5911] close(3 [pid 5909] exit_group(0 [pid 5913] setpgid(0, 0 [pid 5910] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5913] <... setpgid resumed>) = 0 [pid 5912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5911] <... close resumed>) = 0 [pid 5909] <... exit_group resumed>) = ? [pid 5911] write(1, "executing program\n", 18 [pid 5913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5911] <... write resumed>) = 18 [pid 5911] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5910] <... bpf resumed>) = 5 [pid 5911] <... bpf resumed>) = 3 [pid 5913] <... openat resumed>) = 3 [pid 5912] <... openat resumed>) = 3 [pid 5911] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5913] write(3, "1000", 4 [pid 5912] write(3, "1000", 4 [pid 5910] exit_group(0 [pid 5912] <... write resumed>) = 4 [pid 5911] <... bpf resumed>) = 4 [pid 5913] <... write resumed>) = 4 [pid 5912] close(3 [pid 5910] <... exit_group resumed>) = ? [pid 5913] close(3) = 0 [pid 5913] write(1, "executing program\n", 18 [pid 5912] <... close resumed>) = 0 executing program executing program [pid 5913] <... write resumed>) = 18 [pid 5912] write(1, "executing program\n", 18 [pid 5911] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5913] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5912] <... write resumed>) = 18 [pid 5913] <... bpf resumed>) = 3 [pid 5912] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5913] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5912] <... bpf resumed>) = 3 [pid 5912] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5909] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5909, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5913] <... bpf resumed>) = 4 [pid 5912] <... bpf resumed>) = 4 [pid 5910] +++ exited with 0 +++ [pid 5913] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5912] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5910, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5844] <... restart_syscall resumed>) = 0 [pid 5842] <... restart_syscall resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5914 attached , child_tidptr=0x5555802da650) = 5915 ./strace-static-x86_64: Process 5915 attached [pid 5914] set_robust_list(0x5555802da660, 24 [pid 5913] <... bpf resumed>) = 5 [pid 5912] <... bpf resumed>) = 5 [pid 5911] <... bpf resumed>) = 5 [pid 5915] set_robust_list(0x5555802da660, 24 [pid 5914] <... set_robust_list resumed>) = 0 [pid 5913] exit_group(0 [pid 5912] exit_group(0 [pid 5911] exit_group(0 [pid 5915] <... set_robust_list resumed>) = 0 [pid 5914] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5911] <... exit_group resumed>) = ? [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 5914 [pid 5915] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5914] <... prctl resumed>) = 0 [pid 5913] <... exit_group resumed>) = ? [pid 5912] <... exit_group resumed>) = ? [pid 5911] +++ exited with 0 +++ [pid 5915] <... prctl resumed>) = 0 [pid 5914] setpgid(0, 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5911, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5915] setpgid(0, 0 [pid 5914] <... setpgid resumed>) = 0 [pid 5915] <... setpgid resumed>) = 0 [pid 5914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5914] write(3, "1000", 4) = 4 [pid 5914] close(3) = 0 executing program [pid 5915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5914] write(1, "executing program\n", 18 [pid 5915] <... openat resumed>) = 3 [pid 5914] <... write resumed>) = 18 [pid 5915] write(3, "1000", 4) = 4 [pid 5914] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5915] close(3 [pid 5914] <... bpf resumed>) = 3 [pid 5915] <... close resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5916 attached [pid 5915] write(1, "executing program\n", 18 executing program [pid 5914] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5916] set_robust_list(0x5555802da660, 24 [pid 5915] <... write resumed>) = 18 [pid 5916] <... set_robust_list resumed>) = 0 [pid 5916] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5915] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5914] <... bpf resumed>) = 4 [pid 5913] +++ exited with 0 +++ [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 5916 [pid 5912] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5913, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5916] <... prctl resumed>) = 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5912, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5916] setpgid(0, 0 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5914] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5916] <... setpgid resumed>) = 0 [pid 5915] <... bpf resumed>) = 3 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5915] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5916] <... openat resumed>) = 3 [pid 5915] <... bpf resumed>) = 4 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5916] write(3, "1000", 4) = 4 [pid 5916] close(3) = 0 [pid 5916] write(1, "executing program\n", 18 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 5916] <... write resumed>) = 18 [pid 5916] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5917 attached ./strace-static-x86_64: Process 5918 attached [pid 5918] set_robust_list(0x5555802da660, 24 [pid 5917] set_robust_list(0x5555802da660, 24 [pid 5916] <... bpf resumed>) = 3 [pid 5915] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 5918 [pid 5917] <... set_robust_list resumed>) = 0 [pid 5916] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 5917 [pid 5918] <... set_robust_list resumed>) = 0 [pid 5917] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5916] <... bpf resumed>) = 4 [pid 5918] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5917] <... prctl resumed>) = 0 [pid 5918] <... prctl resumed>) = 0 [pid 5917] setpgid(0, 0 [pid 5914] <... bpf resumed>) = 5 [pid 5918] setpgid(0, 0 [pid 5917] <... setpgid resumed>) = 0 [pid 5917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5918] <... setpgid resumed>) = 0 [pid 5916] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5915] <... bpf resumed>) = 5 [pid 5914] exit_group(0 [pid 5916] <... bpf resumed>) = 5 [pid 5918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5916] exit_group(0 [pid 5917] <... openat resumed>) = 3 [pid 5916] <... exit_group resumed>) = ? [pid 5915] exit_group(0 [pid 5914] <... exit_group resumed>) = ? [pid 5918] <... openat resumed>) = 3 [pid 5917] write(3, "1000", 4 [pid 5916] +++ exited with 0 +++ [pid 5915] <... exit_group resumed>) = ? [pid 5917] <... write resumed>) = 4 [pid 5918] write(3, "1000", 4 [pid 5917] close(3 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5916, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5918] <... write resumed>) = 4 [pid 5917] <... close resumed>) = 0 [pid 5918] close(3 [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5918] <... close resumed>) = 0 [pid 5917] write(1, "executing program\n", 18 [pid 5840] <... restart_syscall resumed>) = 0 executing program executing program [pid 5918] write(1, "executing program\n", 18 [pid 5917] <... write resumed>) = 18 [pid 5918] <... write resumed>) = 18 [pid 5917] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5918] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5917] <... bpf resumed>) = 3 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5919 attached [pid 5918] <... bpf resumed>) = 3 [pid 5917] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5915] +++ exited with 0 +++ [pid 5914] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5914, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5919] set_robust_list(0x5555802da660, 24 [pid 5918] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5917] <... bpf resumed>) = 4 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5915, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5919] <... set_robust_list resumed>) = 0 [pid 5918] <... bpf resumed>) = 4 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 5919 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5919] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5917] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5919] <... prctl resumed>) = 0 [pid 5918] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5919] setpgid(0, 0) = 0 [pid 5919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5920 attached [pid 5919] <... openat resumed>) = 3 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5919] write(3, "1000", 4) = 4 [pid 5919] close(3) = 0 [pid 5919] write(1, "executing program\n", 18) = 18 executing program [pid 5919] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5921 attached [pid 5920] set_robust_list(0x5555802da660, 24 [pid 5919] <... bpf resumed>) = 3 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 5920 [pid 5921] set_robust_list(0x5555802da660, 24) = 0 [pid 5919] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5920] <... set_robust_list resumed>) = 0 [pid 5921] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5920] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5919] <... bpf resumed>) = 4 [pid 5917] <... bpf resumed>) = 5 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 5921 [pid 5920] <... prctl resumed>) = 0 [pid 5921] <... prctl resumed>) = 0 [pid 5921] setpgid(0, 0 [pid 5920] setpgid(0, 0 [pid 5921] <... setpgid resumed>) = 0 [pid 5920] <... setpgid resumed>) = 0 [pid 5918] <... bpf resumed>) = 5 [pid 5917] exit_group(0 [pid 5921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5919] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5921] <... openat resumed>) = 3 [pid 5920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5919] <... bpf resumed>) = 5 [pid 5918] exit_group(0 [pid 5917] <... exit_group resumed>) = ? [pid 5921] write(3, "1000", 4) = 4 [pid 5919] exit_group(0 [pid 5918] <... exit_group resumed>) = ? [pid 5921] close(3 [pid 5920] <... openat resumed>) = 3 [pid 5919] <... exit_group resumed>) = ? [pid 5918] +++ exited with 0 +++ [pid 5921] <... close resumed>) = 0 [pid 5920] write(3, "1000", 4) = 4 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5918, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5920] close(3 [pid 5846] restart_syscall(<... resuming interrupted clone ...>executing program [pid 5921] write(1, "executing program\n", 18 [pid 5920] <... close resumed>) = 0 [pid 5921] <... write resumed>) = 18 executing program [pid 5920] write(1, "executing program\n", 18 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5921] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5920] <... write resumed>) = 18 [pid 5921] <... bpf resumed>) = 3 [pid 5921] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5920] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5921] <... bpf resumed>) = 4 [pid 5920] <... bpf resumed>) = 3 [pid 5921] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16./strace-static-x86_64: Process 5922 attached [pid 5920] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5919] +++ exited with 0 +++ [pid 5917] +++ exited with 0 +++ [pid 5922] set_robust_list(0x5555802da660, 24 [pid 5920] <... bpf resumed>) = 4 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 5922 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5919, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5917, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5922] <... set_robust_list resumed>) = 0 [pid 5922] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5922] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5923 attached [pid 5922] setpgid(0, 0) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5923] set_robust_list(0x5555802da660, 24 [pid 5922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5922] write(3, "1000", 4 [pid 5920] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 5923 [pid 5923] <... set_robust_list resumed>) = 0 [pid 5922] <... write resumed>) = 4 ./strace-static-x86_64: Process 5924 attached [pid 5923] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5922] close(3 [pid 5924] set_robust_list(0x5555802da660, 24 [pid 5923] <... prctl resumed>) = 0 executing program [pid 5922] <... close resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 5924 [pid 5924] <... set_robust_list resumed>) = 0 [pid 5923] setpgid(0, 0 [pid 5922] write(1, "executing program\n", 18 [pid 5924] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5923] <... setpgid resumed>) = 0 [pid 5922] <... write resumed>) = 18 [pid 5922] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5924] <... prctl resumed>) = 0 [pid 5923] <... openat resumed>) = 3 [pid 5922] <... bpf resumed>) = 3 [pid 5924] setpgid(0, 0) = 0 [pid 5924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5922] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5924] write(3, "1000", 4 [pid 5923] write(3, "1000", 4 [pid 5922] <... bpf resumed>) = 4 [pid 5924] <... write resumed>) = 4 [pid 5924] close(3) = 0 [pid 5923] <... write resumed>) = 4 [pid 5922] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5921] <... bpf resumed>) = 5 [pid 5920] <... bpf resumed>) = 5 [pid 5924] write(1, "executing program\n", 18executing program ) = 18 [pid 5923] close(3 [pid 5922] <... bpf resumed>) = 5 [pid 5921] exit_group(0 [pid 5920] exit_group(0 [pid 5924] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5923] <... close resumed>) = 0 [pid 5922] exit_group(0 [pid 5921] <... exit_group resumed>) = ? [pid 5920] <... exit_group resumed>) = ? [pid 5924] <... bpf resumed>) = 3 [pid 5923] write(1, "executing program\n", 18 [pid 5922] <... exit_group resumed>) = ? [pid 5921] +++ exited with 0 +++ executing program [pid 5923] <... write resumed>) = 18 [pid 5842] --- 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] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5923] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5924] <... bpf resumed>) = 4 [pid 5923] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5924] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5923] <... bpf resumed>) = 4 [pid 5923] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5925 attached , child_tidptr=0x5555802da650) = 5925 [pid 5925] set_robust_list(0x5555802da660, 24 [pid 5922] +++ exited with 0 +++ [pid 5920] +++ exited with 0 +++ [pid 5925] <... set_robust_list resumed>) = 0 [pid 5925] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5922, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5920, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5925] setpgid(0, 0) = 0 [pid 5925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5925] <... openat resumed>) = 3 [pid 5925] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 5927 attached ./strace-static-x86_64: Process 5926 attached [pid 5924] <... bpf resumed>) = 5 [pid 5923] <... bpf resumed>) = 5 [pid 5927] set_robust_list(0x5555802da660, 24 [pid 5926] set_robust_list(0x5555802da660, 24 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 5926 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 5927 [pid 5927] <... set_robust_list resumed>) = 0 [pid 5926] <... set_robust_list resumed>) = 0 [pid 5927] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5926] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5925] close(3) = 0 [pid 5925] write(1, "executing program\n", 18 [pid 5923] exit_group(0 [pid 5927] setpgid(0, 0 executing program [pid 5926] <... prctl resumed>) = 0 [pid 5925] <... write resumed>) = 18 [pid 5923] <... exit_group resumed>) = ? [pid 5927] <... setpgid resumed>) = 0 [pid 5926] setpgid(0, 0 [pid 5925] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5924] exit_group(0 [pid 5923] +++ exited with 0 +++ [pid 5927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5926] <... setpgid resumed>) = 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5923, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5925] <... bpf resumed>) = 3 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5924] <... exit_group resumed>) = ? [pid 5926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5927] <... openat resumed>) = 3 [pid 5925] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5927] write(3, "1000", 4 [pid 5926] <... openat resumed>) = 3 [pid 5924] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5924, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5927] <... write resumed>) = 4 [pid 5926] write(3, "1000", 4 [pid 5925] <... bpf resumed>) = 4 [pid 5840] <... restart_syscall resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5927] close(3 [pid 5926] <... write resumed>) = 4 [pid 5927] <... close resumed>) = 0 [pid 5926] close(3 [pid 5927] write(1, "executing program\n", 18 [pid 5926] <... close resumed>) = 0 executing program executing program [pid 5925] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5927] <... write resumed>) = 18 [pid 5926] write(1, "executing program\n", 18 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5928 attached [pid 5927] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5926] <... write resumed>) = 18 [pid 5927] <... bpf resumed>) = 3 [pid 5926] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5928] set_robust_list(0x5555802da660, 24 [pid 5927] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5926] <... bpf resumed>) = 3 [pid 5928] <... set_robust_list resumed>) = 0 [pid 5928] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5927] <... bpf resumed>) = 4 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 5928 [pid 5928] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5929 attached [pid 5926] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5928] setpgid(0, 0 [pid 5926] <... bpf resumed>) = 4 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 5929 [pid 5928] <... setpgid resumed>) = 0 [pid 5929] set_robust_list(0x5555802da660, 24 [pid 5928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5929] <... set_robust_list resumed>) = 0 [pid 5929] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5928] <... openat resumed>) = 3 [pid 5929] <... prctl resumed>) = 0 [pid 5929] setpgid(0, 0) = 0 [pid 5929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5927] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5926] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5929] <... openat resumed>) = 3 [pid 5928] write(3, "1000", 4 [pid 5929] write(3, "1000", 4 [pid 5928] <... write resumed>) = 4 [pid 5929] <... write resumed>) = 4 [pid 5929] close(3 [pid 5928] close(3 [pid 5929] <... close resumed>) = 0 [pid 5929] write(1, "executing program\n", 18executing program [pid 5928] <... close resumed>) = 0 [pid 5929] <... write resumed>) = 18 [pid 5929] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 executing program [pid 5928] write(1, "executing program\n", 18) = 18 [pid 5929] <... bpf resumed>) = 3 [pid 5928] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5927] <... bpf resumed>) = 5 [pid 5926] <... bpf resumed>) = 5 [pid 5925] <... bpf resumed>) = 5 [pid 5928] <... bpf resumed>) = 3 [pid 5929] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5927] exit_group(0 [pid 5926] exit_group(0 [pid 5925] exit_group(0 [pid 5928] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5927] <... exit_group resumed>) = ? [pid 5926] <... exit_group resumed>) = ? [pid 5929] <... bpf resumed>) = 4 [pid 5929] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5928] <... bpf resumed>) = 4 [pid 5926] +++ exited with 0 +++ [pid 5925] <... exit_group resumed>) = ? [pid 5929] <... bpf resumed>) = 5 [pid 5928] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5927] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5926, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5929] exit_group(0) = ? [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5927, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5928] <... bpf resumed>) = 5 [pid 5925] +++ exited with 0 +++ [pid 5844] <... restart_syscall resumed>) = 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5925, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5928] exit_group(0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5928] <... exit_group resumed>) = ? [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5930 attached [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 5930 [pid 5930] set_robust_list(0x5555802da660, 24./strace-static-x86_64: Process 5931 attached ) = 0 [pid 5930] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5930] setpgid(0, 0) = 0 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 5931 [pid 5931] set_robust_list(0x5555802da660, 24 [pid 5930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5931] <... set_robust_list resumed>) = 0 [pid 5930] <... openat resumed>) = 3 [pid 5930] write(3, "1000", 4 [pid 5931] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5930] <... write resumed>) = 4 [pid 5930] close(3) = 0 executing program [pid 5930] write(1, "executing program\n", 18) = 18 [pid 5931] setpgid(0, 0 [pid 5930] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5929] +++ exited with 0 +++ [pid 5928] +++ exited with 0 +++ [pid 5931] <... setpgid resumed>) = 0 [pid 5930] <... bpf resumed>) = 3 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5928, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5929, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5930] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5931] <... openat resumed>) = 3 [pid 5930] <... bpf resumed>) = 4 [pid 5931] write(3, "1000", 4 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5931] <... write resumed>) = 4 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5931] close(3 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5932 attached ./strace-static-x86_64: Process 5934 attached ./strace-static-x86_64: Process 5933 attached [pid 5931] <... close resumed>) = 0 [pid 5930] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16executing program [pid 5934] set_robust_list(0x5555802da660, 24 [pid 5932] set_robust_list(0x5555802da660, 24 [pid 5931] write(1, "executing program\n", 18 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 5933 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 5932 [pid 5934] <... set_robust_list resumed>) = 0 [pid 5933] set_robust_list(0x5555802da660, 24 [pid 5932] <... set_robust_list resumed>) = 0 [pid 5931] <... write resumed>) = 18 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 5934 [pid 5934] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5933] <... set_robust_list resumed>) = 0 [pid 5932] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5931] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5934] <... prctl resumed>) = 0 [pid 5932] <... prctl resumed>) = 0 [pid 5931] <... bpf resumed>) = 3 [pid 5934] setpgid(0, 0 [pid 5933] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5932] setpgid(0, 0 [pid 5934] <... setpgid resumed>) = 0 [pid 5932] <... setpgid resumed>) = 0 [pid 5931] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5933] <... prctl resumed>) = 0 [pid 5932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5933] setpgid(0, 0 [pid 5931] <... bpf resumed>) = 4 [pid 5933] <... setpgid resumed>) = 0 [pid 5934] <... openat resumed>) = 3 [pid 5933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5932] <... openat resumed>) = 3 [pid 5932] write(3, "1000", 4) = 4 [pid 5934] write(3, "1000", 4) = 4 [pid 5932] close(3 [pid 5930] <... bpf resumed>) = 5 [pid 5934] close(3 [pid 5932] <... close resumed>) = 0 [pid 5934] <... close resumed>) = 0 executing program executing program [pid 5932] write(1, "executing program\n", 18 [pid 5934] write(1, "executing program\n", 18 [pid 5932] <... write resumed>) = 18 [pid 5934] <... write resumed>) = 18 [pid 5932] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5931] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5934] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5933] <... openat resumed>) = 3 [pid 5932] <... bpf resumed>) = 3 [pid 5931] <... bpf resumed>) = 5 [pid 5930] exit_group(0 [pid 5934] <... bpf resumed>) = 3 [pid 5933] write(3, "1000", 4 [pid 5932] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5934] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5933] <... write resumed>) = 4 [pid 5930] <... exit_group resumed>) = ? [pid 5933] close(3 [pid 5934] <... bpf resumed>) = 4 [pid 5933] <... close resumed>) = 0 [pid 5932] <... bpf resumed>) = 4 [pid 5931] exit_group(0executing program [pid 5933] write(1, "executing program\n", 18 [pid 5931] <... exit_group resumed>) = ? [pid 5933] <... write resumed>) = 18 [pid 5933] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5934] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5933] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5932] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5933] <... bpf resumed>) = 4 [pid 5931] +++ exited with 0 +++ [pid 5930] +++ exited with 0 +++ [pid 5933] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5930, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5931, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5935 attached [pid 5935] set_robust_list(0x5555802da660, 24 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 5935 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5935] <... set_robust_list resumed>) = 0 [pid 5935] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5935] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5936 attached [pid 5934] <... bpf resumed>) = 5 [pid 5933] <... bpf resumed>) = 5 [pid 5932] <... bpf resumed>) = 5 [pid 5935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5936] set_robust_list(0x5555802da660, 24 [pid 5934] exit_group(0 [pid 5933] exit_group(0 [pid 5936] <... set_robust_list resumed>) = 0 [pid 5935] <... openat resumed>) = 3 [pid 5934] <... exit_group resumed>) = ? [pid 5933] <... exit_group resumed>) = ? [pid 5932] exit_group(0 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 5936 [pid 5936] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5935] write(3, "1000", 4 [pid 5932] <... exit_group resumed>) = ? [pid 5936] <... prctl resumed>) = 0 [pid 5936] setpgid(0, 0 [pid 5935] <... write resumed>) = 4 [pid 5934] +++ exited with 0 +++ executing program [pid 5936] <... setpgid resumed>) = 0 [pid 5935] close(3) = 0 [pid 5935] write(1, "executing program\n", 18 [pid 5936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5935] <... write resumed>) = 18 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5934, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5935] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5935] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5936] <... openat resumed>) = 3 [pid 5935] <... bpf resumed>) = 4 [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5936] write(3, "1000", 4 [pid 5935] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5936] <... write resumed>) = 4 [pid 5933] +++ exited with 0 +++ [pid 5936] close(3 [pid 5932] +++ exited with 0 +++ [pid 5840] <... restart_syscall resumed>) = 0 [pid 5936] <... close resumed>) = 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5933, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5932, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5936] write(1, "executing program\n", 18 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5936] <... write resumed>) = 18 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5937 attached ./strace-static-x86_64: Process 5938 attached [pid 5937] set_robust_list(0x5555802da660, 24) = 0 [pid 5937] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5936] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 5937 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5938] set_robust_list(0x5555802da660, 24 [pid 5937] <... prctl resumed>) = 0 [pid 5937] setpgid(0, 0 [pid 5936] <... bpf resumed>) = 3 [pid 5937] <... setpgid resumed>) = 0 [pid 5937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 5939 attached [pid 5938] <... set_robust_list resumed>) = 0 [pid 5937] write(3, "1000", 4 [pid 5936] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5939] set_robust_list(0x5555802da660, 24 [pid 5938] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5937] <... write resumed>) = 4 [pid 5936] <... bpf resumed>) = 4 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 5938 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 5939 [pid 5939] <... set_robust_list resumed>) = 0 [pid 5937] close(3 [pid 5938] <... prctl resumed>) = 0 [pid 5938] setpgid(0, 0 [pid 5937] <... close resumed>) = 0 executing program [pid 5938] <... setpgid resumed>) = 0 [pid 5937] write(1, "executing program\n", 18 [pid 5938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5937] <... write resumed>) = 18 [pid 5939] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5937] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5939] <... prctl resumed>) = 0 [pid 5938] <... openat resumed>) = 3 [pid 5937] <... bpf resumed>) = 3 [pid 5935] <... bpf resumed>) = 5 [pid 5939] setpgid(0, 0 [pid 5938] write(3, "1000", 4 [pid 5937] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5936] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5935] exit_group(0 [pid 5939] <... setpgid resumed>) = 0 [pid 5938] <... write resumed>) = 4 [pid 5937] <... bpf resumed>) = 4 [pid 5936] <... bpf resumed>) = 5 [pid 5939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5938] close(3 [pid 5935] <... exit_group resumed>) = ? [pid 5939] <... openat resumed>) = 3 [pid 5939] write(3, "1000", 4 [pid 5938] <... close resumed>) = 0 [pid 5937] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5936] exit_group(0 [pid 5939] <... write resumed>) = 4 [pid 5938] write(1, "executing program\n", 18executing program [pid 5936] <... exit_group resumed>) = ? [pid 5939] close(3 [pid 5938] <... write resumed>) = 18 [pid 5939] <... close resumed>) = 0 [pid 5938] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5939] write(1, "executing program\n", 18executing program [pid 5938] <... bpf resumed>) = 3 [pid 5937] <... bpf resumed>) = 5 [pid 5935] +++ exited with 0 +++ [pid 5939] <... write resumed>) = 18 [pid 5938] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5937] exit_group(0 [pid 5939] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5938] <... bpf resumed>) = 4 [pid 5937] <... exit_group resumed>) = ? [pid 5939] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5935, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5939] <... bpf resumed>) = 4 [pid 5938] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5939] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5937] +++ exited with 0 +++ [pid 5936] +++ exited with 0 +++ [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5936, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5937, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5940 attached ./strace-static-x86_64: Process 5941 attached [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 5940 [pid 5940] set_robust_list(0x5555802da660, 24 [pid 5941] set_robust_list(0x5555802da660, 24 [pid 5940] <... set_robust_list resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5942 attached [pid 5941] <... set_robust_list resumed>) = 0 [pid 5940] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 5941 [pid 5941] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 5942 [pid 5942] set_robust_list(0x5555802da660, 24 [pid 5941] <... prctl resumed>) = 0 [pid 5940] <... prctl resumed>) = 0 [pid 5939] <... bpf resumed>) = 5 [pid 5938] <... bpf resumed>) = 5 [pid 5942] <... set_robust_list resumed>) = 0 [pid 5942] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5941] setpgid(0, 0 [pid 5940] setpgid(0, 0 [pid 5939] exit_group(0 [pid 5938] exit_group(0 [pid 5942] <... prctl resumed>) = 0 [pid 5941] <... setpgid resumed>) = 0 [pid 5940] <... setpgid resumed>) = 0 [pid 5938] <... exit_group resumed>) = ? [pid 5942] setpgid(0, 0 [pid 5939] <... exit_group resumed>) = ? [pid 5942] <... setpgid resumed>) = 0 [pid 5942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5942] <... openat resumed>) = 3 [pid 5941] <... openat resumed>) = 3 [pid 5942] write(3, "1000", 4) = 4 [pid 5941] write(3, "1000", 4 [pid 5940] <... openat resumed>) = 3 [pid 5942] close(3 [pid 5941] <... write resumed>) = 4 [pid 5941] close(3) = 0 [pid 5941] write(1, "executing program\n", 18executing program ) = 18 [pid 5941] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5942] <... close resumed>) = 0 [pid 5940] write(3, "1000", 4 [pid 5942] write(1, "executing program\n", 18executing program [pid 5941] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5940] <... write resumed>) = 4 [pid 5942] <... write resumed>) = 18 [pid 5941] <... bpf resumed>) = 4 [pid 5940] close(3 [pid 5942] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program [pid 5940] <... close resumed>) = 0 [pid 5942] <... bpf resumed>) = 3 [pid 5940] write(1, "executing program\n", 18) = 18 [pid 5942] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5940] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5941] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5942] <... bpf resumed>) = 4 [pid 5938] +++ exited with 0 +++ [pid 5940] <... bpf resumed>) = 3 [pid 5939] +++ exited with 0 +++ [pid 5942] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5940] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5938, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5940] <... bpf resumed>) = 4 [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5939, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5940] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5840] <... restart_syscall resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5942] <... bpf resumed>) = 5 [pid 5941] <... bpf resumed>) = 5 [pid 5940] <... bpf resumed>) = 5 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5943 attached ./strace-static-x86_64: Process 5944 attached [pid 5942] exit_group(0 [pid 5941] exit_group(0 [pid 5940] exit_group(0 [pid 5944] set_robust_list(0x5555802da660, 24 [pid 5943] set_robust_list(0x5555802da660, 24 [pid 5942] <... exit_group resumed>) = ? [pid 5941] <... exit_group resumed>) = ? [pid 5940] <... exit_group resumed>) = ? [pid 5944] <... set_robust_list resumed>) = 0 [pid 5943] <... set_robust_list resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 5944 [pid 5944] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5942] +++ exited with 0 +++ [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 5943 [pid 5943] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5942, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5944] <... prctl resumed>) = 0 [pid 5944] setpgid(0, 0) = 0 executing program [pid 5944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5944] write(3, "1000", 4 [pid 5943] <... prctl resumed>) = 0 [pid 5944] <... write resumed>) = 4 [pid 5943] setpgid(0, 0 [pid 5944] close(3 [pid 5943] <... setpgid resumed>) = 0 [pid 5944] <... close resumed>) = 0 [pid 5944] write(1, "executing program\n", 18 [pid 5943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5944] <... write resumed>) = 18 [pid 5944] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5943] <... openat resumed>) = 3 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5944] <... bpf resumed>) = 3 [pid 5943] write(3, "1000", 4 [pid 5944] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5943] <... write resumed>) = 4 [pid 5944] <... bpf resumed>) = 4 [pid 5943] close(3 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5945 attached [pid 5943] <... close resumed>) = 0 [pid 5943] write(1, "executing program\n", 18 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 5945 executing program [pid 5943] <... write resumed>) = 18 [pid 5943] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5943] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5945] set_robust_list(0x5555802da660, 24) = 0 [pid 5944] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5943] <... bpf resumed>) = 4 [pid 5945] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5943] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5945] setpgid(0, 0 [pid 5941] +++ exited with 0 +++ [pid 5940] +++ exited with 0 +++ [pid 5945] <... setpgid resumed>) = 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5941, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5940, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5945] <... openat resumed>) = 3 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5945] write(3, "1000", 4) = 4 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5945] close(3) = 0 ./strace-static-x86_64: Process 5946 attached ./strace-static-x86_64: Process 5947 attached executing program [pid 5945] write(1, "executing program\n", 18 [pid 5944] <... bpf resumed>) = 5 [pid 5943] <... bpf resumed>) = 5 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 5946 [pid 5947] set_robust_list(0x5555802da660, 24 [pid 5945] <... write resumed>) = 18 [pid 5946] set_robust_list(0x5555802da660, 24 [pid 5945] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5943] exit_group(0 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 5947 [pid 5947] <... set_robust_list resumed>) = 0 [pid 5946] <... set_robust_list resumed>) = 0 [pid 5945] <... bpf resumed>) = 3 [pid 5944] exit_group(0 [pid 5943] <... exit_group resumed>) = ? [pid 5947] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5946] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5945] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5944] <... exit_group resumed>) = ? [pid 5943] +++ exited with 0 +++ [pid 5947] <... prctl resumed>) = 0 [pid 5946] <... prctl resumed>) = 0 [pid 5946] setpgid(0, 0 [pid 5947] setpgid(0, 0 [pid 5946] <... setpgid resumed>) = 0 [pid 5946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5943, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5946] <... openat resumed>) = 3 [pid 5946] write(3, "1000", 4 [pid 5947] <... setpgid resumed>) = 0 [pid 5945] <... bpf resumed>) = 4 [pid 5944] +++ exited with 0 +++ [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5946] <... write resumed>) = 4 [pid 5945] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5944, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5946] close(3) = 0 [pid 5946] write(1, "executing program\n", 18executing program [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5946] <... write resumed>) = 18 ./strace-static-x86_64: Process 5948 attached ./strace-static-x86_64: Process 5949 attached [pid 5948] set_robust_list(0x5555802da660, 24 [pid 5947] <... openat resumed>) = 3 [pid 5946] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5945] <... bpf resumed>) = 5 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 5948 [pid 5949] set_robust_list(0x5555802da660, 24 [pid 5948] <... set_robust_list resumed>) = 0 [pid 5947] write(3, "1000", 4 [pid 5946] <... bpf resumed>) = 3 [pid 5949] <... set_robust_list resumed>) = 0 [pid 5948] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 5949 [pid 5949] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5947] <... write resumed>) = 4 [pid 5949] <... prctl resumed>) = 0 [pid 5947] close(3 [pid 5949] setpgid(0, 0 [pid 5947] <... close resumed>) = 0 [pid 5949] <... setpgid resumed>) = 0 [pid 5947] write(1, "executing program\n", 18executing program [pid 5949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5948] <... prctl resumed>) = 0 [pid 5947] <... write resumed>) = 18 [pid 5946] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5945] exit_group(0executing program [pid 5949] <... openat resumed>) = 3 [pid 5948] setpgid(0, 0 [pid 5947] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5946] <... bpf resumed>) = 4 [pid 5945] <... exit_group resumed>) = ? [pid 5949] write(3, "1000", 4 [pid 5948] <... setpgid resumed>) = 0 [pid 5947] <... bpf resumed>) = 3 [pid 5949] <... write resumed>) = 4 [pid 5949] close(3 [pid 5947] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5946] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5945] +++ exited with 0 +++ [pid 5949] <... close resumed>) = 0 [pid 5948] <... openat resumed>) = 3 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5945, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5949] write(1, "executing program\n", 18 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5949] <... write resumed>) = 18 [pid 5949] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5948] write(3, "1000", 4 [pid 5949] <... bpf resumed>) = 3 [pid 5948] <... write resumed>) = 4 [pid 5948] close(3 [pid 5947] <... bpf resumed>) = 4 [pid 5949] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5947] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16executing program [pid 5948] <... close resumed>) = 0 [pid 5948] write(1, "executing program\n", 18) = 18 [pid 5948] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5948] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5949] <... bpf resumed>) = 4 [pid 5948] <... bpf resumed>) = 4 [pid 5949] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5948] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5950 attached [pid 5950] set_robust_list(0x5555802da660, 24 [pid 5946] <... bpf resumed>) = 5 [pid 5950] <... set_robust_list resumed>) = 0 [pid 5946] exit_group(0 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 5950 [pid 5946] <... exit_group resumed>) = ? [pid 5950] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5949] <... bpf resumed>) = 5 [pid 5947] <... bpf resumed>) = 5 [pid 5946] +++ exited with 0 +++ [pid 5950] <... prctl resumed>) = 0 [pid 5948] <... bpf resumed>) = 5 [pid 5950] setpgid(0, 0 [pid 5949] exit_group(0 [pid 5948] exit_group(0 [pid 5947] exit_group(0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5946, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5950] <... setpgid resumed>) = 0 [pid 5949] <... exit_group resumed>) = ? [pid 5947] <... exit_group resumed>) = ? [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5948] <... exit_group resumed>) = ? [pid 5950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5948] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5948, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5950] <... openat resumed>) = 3 [pid 5842] <... restart_syscall resumed>) = 0 [pid 5840] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5950] write(3, "1000", 4./strace-static-x86_64: Process 5951 attached ) = 4 [pid 5950] close(3 [pid 5951] set_robust_list(0x5555802da660, 24 [pid 5950] <... close resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 5952 attached [pid 5951] <... set_robust_list resumed>) = 0 [pid 5950] write(1, "executing program\n", 18 [pid 5949] +++ exited with 0 +++ [pid 5951] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5950] <... write resumed>) = 18 [pid 5947] +++ exited with 0 +++ [pid 5950] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5949, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5952] set_robust_list(0x5555802da660, 24) = 0 [pid 5951] <... prctl resumed>) = 0 [pid 5950] <... bpf resumed>) = 3 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5947, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 5951 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5951] setpgid(0, 0 [pid 5950] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 5952 [pid 5952] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5951] <... setpgid resumed>) = 0 [pid 5950] <... bpf resumed>) = 4 [pid 5952] <... prctl resumed>) = 0 [pid 5951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5952] setpgid(0, 0 [pid 5951] <... openat resumed>) = 3 [pid 5952] <... setpgid resumed>) = 0 [pid 5951] write(3, "1000", 4 [pid 5950] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5951] <... write resumed>) = 4 [pid 5951] close(3 [pid 5952] <... openat resumed>) = 3 [pid 5951] <... close resumed>) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5952] write(3, "1000", 4 [pid 5951] write(1, "executing program\n", 18./strace-static-x86_64: Process 5953 attached [pid 5952] <... write resumed>) = 4 executing program [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5953] set_robust_list(0x5555802da660, 24 [pid 5952] close(3 [pid 5951] <... write resumed>) = 18 ./strace-static-x86_64: Process 5954 attached [pid 5953] <... set_robust_list resumed>) = 0 [pid 5952] <... close resumed>) = 0 [pid 5951] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5952] write(1, "executing program\n", 18 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 5953 [pid 5953] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5952] <... write resumed>) = 18 executing program [pid 5954] set_robust_list(0x5555802da660, 24 [pid 5953] <... prctl resumed>) = 0 [pid 5952] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5951] <... bpf resumed>) = 3 [pid 5954] <... set_robust_list resumed>) = 0 [pid 5953] setpgid(0, 0 [pid 5954] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5953] <... setpgid resumed>) = 0 [pid 5952] <... bpf resumed>) = 3 [pid 5951] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5950] <... bpf resumed>) = 5 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 5954 [pid 5954] <... prctl resumed>) = 0 [pid 5953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5952] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5950] exit_group(0) = ? [pid 5954] setpgid(0, 0 [pid 5953] <... openat resumed>) = 3 [pid 5951] <... bpf resumed>) = 4 [pid 5950] +++ exited with 0 +++ [pid 5954] <... setpgid resumed>) = 0 [pid 5953] write(3, "1000", 4 [pid 5952] <... bpf resumed>) = 4 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5950, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5953] <... write resumed>) = 4 [pid 5952] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5951] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5953] close(3 [pid 5954] <... openat resumed>) = 3 [pid 5953] <... close resumed>) = 0 executing program [pid 5954] write(3, "1000", 4 [pid 5953] write(1, "executing program\n", 18 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5954] <... write resumed>) = 4 [pid 5953] <... write resumed>) = 18 [pid 5954] close(3 [pid 5953] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5954] <... close resumed>) = 0 [pid 5954] write(1, "executing program\n", 18executing program [pid 5953] <... bpf resumed>) = 3 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5954] <... write resumed>) = 18 [pid 5953] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5952] <... bpf resumed>) = 5 [pid 5954] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5951] <... bpf resumed>) = 5 [pid 5952] exit_group(0 [pid 5954] <... bpf resumed>) = 3 [pid 5952] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5955 attached [pid 5951] exit_group(0 [pid 5955] set_robust_list(0x5555802da660, 24) = 0 [pid 5955] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5954] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5953] <... bpf resumed>) = 4 [pid 5951] <... exit_group resumed>) = ? [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 5955 [pid 5955] <... prctl resumed>) = 0 [pid 5953] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5955] setpgid(0, 0) = 0 [pid 5955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5954] <... bpf resumed>) = 4 [pid 5953] <... bpf resumed>) = 5 [pid 5952] +++ exited with 0 +++ [pid 5954] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5955] write(3, "1000", 4 [pid 5953] exit_group(0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5952, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5955] <... write resumed>) = 4 [pid 5953] <... exit_group resumed>) = ? [pid 5955] close(3) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 5955] write(1, "executing program\n", 18./strace-static-x86_64: Process 5956 attached ) = 18 [pid 5955] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5956] set_robust_list(0x5555802da660, 24 [pid 5951] +++ exited with 0 +++ [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 5956 [pid 5956] <... set_robust_list resumed>) = 0 [pid 5955] <... bpf resumed>) = 3 [pid 5954] <... bpf resumed>) = 5 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5951, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5956] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5955] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5956] <... prctl resumed>) = 0 [pid 5956] setpgid(0, 0 [pid 5955] <... bpf resumed>) = 4 [pid 5956] <... setpgid resumed>) = 0 [pid 5954] exit_group(0 [pid 5956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5957 attached [pid 5956] <... openat resumed>) = 3 [pid 5955] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5954] <... exit_group resumed>) = ? [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 5957 [pid 5957] set_robust_list(0x5555802da660, 24 [pid 5956] write(3, "1000", 4 [pid 5957] <... set_robust_list resumed>) = 0 [pid 5956] <... write resumed>) = 4 [pid 5956] close(3 [pid 5957] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5956] <... close resumed>) = 0 [pid 5957] <... prctl resumed>) = 0 [pid 5956] write(1, "executing program\n", 18executing program ) = 18 [pid 5956] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5956] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5957] setpgid(0, 0 [pid 5956] <... bpf resumed>) = 4 [pid 5957] <... setpgid resumed>) = 0 [pid 5956] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5954] +++ exited with 0 +++ [pid 5953] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5953, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5954, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5957] <... openat resumed>) = 3 [pid 5956] <... bpf resumed>) = 5 [pid 5955] <... bpf resumed>) = 5 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5958 attached ./strace-static-x86_64: Process 5959 attached [pid 5957] write(3, "1000", 4 [pid 5956] exit_group(0 [pid 5955] exit_group(0 [pid 5959] set_robust_list(0x5555802da660, 24 [pid 5958] set_robust_list(0x5555802da660, 24 [pid 5957] <... write resumed>) = 4 [pid 5956] <... exit_group resumed>) = ? [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 5959 [pid 5959] <... set_robust_list resumed>) = 0 [pid 5958] <... set_robust_list resumed>) = 0 [pid 5957] close(3 [pid 5955] <... exit_group resumed>) = ? [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 5958 [pid 5959] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5958] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5957] <... close resumed>) = 0 [pid 5956] +++ exited with 0 +++ [pid 5955] +++ exited with 0 +++ [pid 5959] <... prctl resumed>) = 0 [pid 5958] <... prctl resumed>) = 0 [pid 5957] write(1, "executing program\n", 18 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5956, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 5959] setpgid(0, 0 [pid 5958] setpgid(0, 0 [pid 5957] <... write resumed>) = 18 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5955, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5959] <... setpgid resumed>) = 0 [pid 5957] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5958] <... setpgid resumed>) = 0 [pid 5958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5957] <... bpf resumed>) = 3 [pid 5959] <... openat resumed>) = 3 [pid 5957] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5959] write(3, "1000", 4 [pid 5958] <... openat resumed>) = 3 executing program [pid 5959] <... write resumed>) = 4 [pid 5958] write(3, "1000", 4 [pid 5959] close(3 [pid 5958] <... write resumed>) = 4 [pid 5959] <... close resumed>) = 0 [pid 5958] close(3 [pid 5959] write(1, "executing program\n", 18 [pid 5958] <... close resumed>) = 0 [pid 5959] <... write resumed>) = 18 [pid 5958] write(1, "executing program\n", 18 [pid 5959] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program [pid 5958] <... write resumed>) = 18 [pid 5959] <... bpf resumed>) = 3 [pid 5958] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5957] <... bpf resumed>) = 4 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5842] <... restart_syscall resumed>) = 0 [pid 5959] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5958] <... bpf resumed>) = 3 [pid 5957] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5959] <... bpf resumed>) = 4 [pid 5958] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5960 attached ./strace-static-x86_64: Process 5961 attached [pid 5957] <... bpf resumed>) = 5 [pid 5960] set_robust_list(0x5555802da660, 24 [pid 5959] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5961] set_robust_list(0x5555802da660, 24 [pid 5960] <... set_robust_list resumed>) = 0 [pid 5959] <... bpf resumed>) = 5 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 5961 [pid 5961] <... set_robust_list resumed>) = 0 [pid 5960] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5958] <... bpf resumed>) = 4 [pid 5957] exit_group(0 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 5960 [pid 5961] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5960] <... prctl resumed>) = 0 [pid 5959] exit_group(0 [pid 5958] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5957] <... exit_group resumed>) = ? [pid 5961] <... prctl resumed>) = 0 [pid 5960] setpgid(0, 0 [pid 5959] <... exit_group resumed>) = ? [pid 5961] setpgid(0, 0 [pid 5960] <... setpgid resumed>) = 0 [pid 5958] <... bpf resumed>) = 5 [pid 5957] +++ exited with 0 +++ [pid 5961] <... setpgid resumed>) = 0 [pid 5958] exit_group(0 [pid 5961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5958] <... exit_group resumed>) = ? [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5957, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5961] <... openat resumed>) = 3 [pid 5961] write(3, "1000", 4) = 4 [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5961] close(3 [pid 5960] <... openat resumed>) = 3 [pid 5961] <... close resumed>) = 0 [pid 5961] write(1, "executing program\n", 18 [pid 5960] write(3, "1000", 4executing program [pid 5961] <... write resumed>) = 18 [pid 5960] <... write resumed>) = 4 executing program [pid 5960] close(3 [pid 5840] <... restart_syscall resumed>) = 0 [pid 5960] <... close resumed>) = 0 [pid 5961] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5960] write(1, "executing program\n", 18 [pid 5961] <... bpf resumed>) = 3 [pid 5960] <... write resumed>) = 18 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5961] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144./strace-static-x86_64: Process 5962 attached [pid 5962] set_robust_list(0x5555802da660, 24) = 0 [pid 5962] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5961] <... bpf resumed>) = 4 [pid 5960] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5961] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 5962 [pid 5962] <... prctl resumed>) = 0 [pid 5960] <... bpf resumed>) = 3 [pid 5962] setpgid(0, 0) = 0 [pid 5962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5960] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5962] write(3, "1000", 4) = 4 [pid 5962] close(3) = 0 executing program [pid 5962] write(1, "executing program\n", 18) = 18 [pid 5962] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5960] <... bpf resumed>) = 4 [pid 5959] +++ exited with 0 +++ [pid 5958] +++ exited with 0 +++ [pid 5960] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5958, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5959, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5962] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5962] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16./strace-static-x86_64: Process 5964 attached ./strace-static-x86_64: Process 5963 attached [pid 5964] set_robust_list(0x5555802da660, 24 [pid 5963] set_robust_list(0x5555802da660, 24 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 5963 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 5964 [pid 5964] <... set_robust_list resumed>) = 0 [pid 5963] <... set_robust_list resumed>) = 0 [pid 5964] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5963] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5961] <... bpf resumed>) = 5 [pid 5960] <... bpf resumed>) = 5 [pid 5964] <... prctl resumed>) = 0 [pid 5962] <... bpf resumed>) = 5 [pid 5964] setpgid(0, 0 [pid 5963] <... prctl resumed>) = 0 [pid 5962] exit_group(0 [pid 5960] exit_group(0 [pid 5964] <... setpgid resumed>) = 0 [pid 5963] setpgid(0, 0 [pid 5962] <... exit_group resumed>) = ? [pid 5964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5963] <... setpgid resumed>) = 0 [pid 5962] +++ exited with 0 +++ [pid 5961] exit_group(0 [pid 5960] <... exit_group resumed>) = ? [pid 5964] <... openat resumed>) = 3 [pid 5963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5961] <... exit_group resumed>) = ? [pid 5960] +++ exited with 0 +++ [pid 5964] write(3, "1000", 4 [pid 5963] <... openat resumed>) = 3 [pid 5964] <... write resumed>) = 4 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5960, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5962, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5964] close(3 [pid 5963] write(3, "1000", 4 [pid 5964] <... close resumed>) = 0 executing program [pid 5963] <... write resumed>) = 4 [pid 5964] write(1, "executing program\n", 18 [pid 5963] close(3 [pid 5961] +++ exited with 0 +++ [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5964] <... write resumed>) = 18 [pid 5963] <... close resumed>) = 0 [pid 5964] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 executing program [pid 5963] write(1, "executing program\n", 18 [pid 5964] <... bpf resumed>) = 3 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5961, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5963] <... write resumed>) = 18 [pid 5964] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5963] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5963] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5964] <... bpf resumed>) = 4 [pid 5963] <... bpf resumed>) = 4 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5842] <... restart_syscall resumed>) = 0 [pid 5840] <... restart_syscall resumed>) = 0 [pid 5964] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16) = 5 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5964] exit_group(0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5965 attached ./strace-static-x86_64: Process 5966 attached [pid 5964] <... exit_group resumed>) = ? [pid 5963] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5966] set_robust_list(0x5555802da660, 24 [pid 5965] set_robust_list(0x5555802da660, 24 [pid 5964] +++ exited with 0 +++ [pid 5966] <... set_robust_list resumed>) = 0 [pid 5965] <... set_robust_list resumed>) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 5966 [pid 5966] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5964, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 5965 [pid 5965] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5967 attached [pid 5966] <... prctl resumed>) = 0 [pid 5965] <... prctl resumed>) = 0 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5967] set_robust_list(0x5555802da660, 24 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 5967 [pid 5967] <... set_robust_list resumed>) = 0 [pid 5965] setpgid(0, 0 [pid 5967] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5966] setpgid(0, 0 [pid 5963] <... bpf resumed>) = 5 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5966] <... setpgid resumed>) = 0 [pid 5967] <... prctl resumed>) = 0 [pid 5966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5965] <... setpgid resumed>) = 0 [pid 5963] exit_group(0 [pid 5967] setpgid(0, 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5968 attached [pid 5967] <... setpgid resumed>) = 0 [pid 5966] <... openat resumed>) = 3 [pid 5965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5963] <... exit_group resumed>) = ? [pid 5968] set_robust_list(0x5555802da660, 24 [pid 5967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5966] write(3, "1000", 4 [pid 5965] <... openat resumed>) = 3 [pid 5963] +++ exited with 0 +++ [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 5968 [pid 5966] <... write resumed>) = 4 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5963, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5966] close(3 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5966] <... close resumed>) = 0 executing program [pid 5966] write(1, "executing program\n", 18 [pid 5968] <... set_robust_list resumed>) = 0 [pid 5967] <... openat resumed>) = 3 [pid 5966] <... write resumed>) = 18 [pid 5965] write(3, "1000", 4 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5968] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5967] write(3, "1000", 4 [pid 5966] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5965] <... write resumed>) = 4 [pid 5968] <... prctl resumed>) = 0 [pid 5967] <... write resumed>) = 4 [pid 5966] <... bpf resumed>) = 3 [pid 5965] close(3 [pid 5968] setpgid(0, 0 [pid 5967] close(3 [pid 5966] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5965] <... close resumed>) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5968] <... setpgid resumed>) = 0 [pid 5967] <... close resumed>) = 0 [pid 5966] <... bpf resumed>) = 4 [pid 5965] write(1, "executing program\n", 18./strace-static-x86_64: Process 5969 attached executing program [pid 5968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5967] write(1, "executing program\n", 18executing program ) = 18 [pid 5965] <... write resumed>) = 18 [pid 5968] <... openat resumed>) = 3 [pid 5967] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5965] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5969] set_robust_list(0x5555802da660, 24 [pid 5968] write(3, "1000", 4 [pid 5967] <... bpf resumed>) = 3 [pid 5966] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5965] <... bpf resumed>) = 3 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 5969 [pid 5969] <... set_robust_list resumed>) = 0 [pid 5968] <... write resumed>) = 4 [pid 5967] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5966] <... bpf resumed>) = 5 [pid 5965] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5969] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5968] close(3 [pid 5967] <... bpf resumed>) = 4 [pid 5966] exit_group(0 [pid 5965] <... bpf resumed>) = 4 [pid 5969] <... prctl resumed>) = 0 [pid 5968] <... close resumed>) = 0 [pid 5966] <... exit_group resumed>) = ? [pid 5969] setpgid(0, 0) = 0 [pid 5966] +++ exited with 0 +++ [pid 5968] write(1, "executing program\n", 18 [pid 5969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 5968] <... write resumed>) = 18 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5966, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5968] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5969] <... openat resumed>) = 3 [pid 5968] <... bpf resumed>) = 3 [pid 5968] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5967] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5969] write(3, "1000", 4 [pid 5968] <... bpf resumed>) = 4 [pid 5965] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5969] <... write resumed>) = 4 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5969] close(3 [pid 5968] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16./strace-static-x86_64: Process 5970 attached [pid 5969] <... close resumed>) = 0 [pid 5967] <... bpf resumed>) = 5 [pid 5965] <... bpf resumed>) = 5 [pid 5970] set_robust_list(0x5555802da660, 24 [pid 5969] write(1, "executing program\n", 18executing program [pid 5968] <... bpf resumed>) = 5 [pid 5967] exit_group(0 [pid 5965] exit_group(0 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 5970 [pid 5970] <... set_robust_list resumed>) = 0 [pid 5969] <... write resumed>) = 18 [pid 5968] exit_group(0 [pid 5967] <... exit_group resumed>) = ? [pid 5965] <... exit_group resumed>) = ? [pid 5970] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5969] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5968] <... exit_group resumed>) = ? [pid 5967] +++ exited with 0 +++ [pid 5970] <... prctl resumed>) = 0 [pid 5969] <... bpf resumed>) = 3 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5967, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5970] setpgid(0, 0 [pid 5969] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5970] <... setpgid resumed>) = 0 [pid 5969] <... bpf resumed>) = 4 [pid 5970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5970] write(3, "1000", 4) = 4 [pid 5969] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5968] +++ exited with 0 +++ [pid 5965] +++ exited with 0 +++ [pid 5970] close(3 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5965, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5970] <... close resumed>) = 0 executing program [pid 5970] write(1, "executing program\n", 18) = 18 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5971 attached [pid 5970] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5968, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5970] <... bpf resumed>) = 3 [pid 5971] set_robust_list(0x5555802da660, 24./strace-static-x86_64: Process 5972 attached ) = 0 [pid 5970] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5972] set_robust_list(0x5555802da660, 24 [pid 5971] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5972] <... set_robust_list resumed>) = 0 [pid 5971] <... prctl resumed>) = 0 [pid 5970] <... bpf resumed>) = 4 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 5971 [pid 5972] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5971] setpgid(0, 0./strace-static-x86_64: Process 5973 attached [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 5972 [pid 5973] set_robust_list(0x5555802da660, 24) = 0 [pid 5973] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5973] setpgid(0, 0 [pid 5972] <... prctl resumed>) = 0 [pid 5971] <... setpgid resumed>) = 0 [pid 5970] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 5973 [pid 5973] <... setpgid resumed>) = 0 [pid 5973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5972] setpgid(0, 0 [pid 5971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5972] <... setpgid resumed>) = 0 [pid 5973] <... openat resumed>) = 3 [pid 5972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5971] <... openat resumed>) = 3 [pid 5973] write(3, "1000", 4 [pid 5972] <... openat resumed>) = 3 [pid 5971] write(3, "1000", 4 [pid 5969] <... bpf resumed>) = 5 [pid 5973] <... write resumed>) = 4 [pid 5970] <... bpf resumed>) = 5 [pid 5973] close(3 [pid 5972] write(3, "1000", 4 [pid 5971] <... write resumed>) = 4 [pid 5969] exit_group(0 [pid 5973] <... close resumed>) = 0 [pid 5972] <... write resumed>) = 4 [pid 5971] close(3 [pid 5970] exit_group(0 [pid 5973] write(1, "executing program\n", 18executing program [pid 5972] close(3 [pid 5971] <... close resumed>) = 0 [pid 5969] <... exit_group resumed>) = ? [pid 5973] <... write resumed>) = 18 [pid 5972] <... close resumed>) = 0 [pid 5971] write(1, "executing program\n", 18 [pid 5970] <... exit_group resumed>) = ? executing program [pid 5971] <... write resumed>) = 18 [pid 5973] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program [pid 5972] write(1, "executing program\n", 18 [pid 5973] <... bpf resumed>) = 3 [pid 5971] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5972] <... write resumed>) = 18 [pid 5973] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5972] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5971] <... bpf resumed>) = 3 [pid 5972] <... bpf resumed>) = 3 [pid 5972] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5973] <... bpf resumed>) = 4 [pid 5971] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5972] <... bpf resumed>) = 4 [pid 5973] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5969] +++ exited with 0 +++ [pid 5970] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5969, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5970, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5971] <... bpf resumed>) = 4 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5972] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5971] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5974 attached [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5974] set_robust_list(0x5555802da660, 24 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 5974 [pid 5974] <... set_robust_list resumed>) = 0 [pid 5974] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5975 attached ) = 0 [pid 5974] setpgid(0, 0) = 0 [pid 5974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5975] set_robust_list(0x5555802da660, 24 [pid 5973] <... bpf resumed>) = 5 [pid 5972] <... bpf resumed>) = 5 [pid 5971] <... bpf resumed>) = 5 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 5975 [pid 5975] <... set_robust_list resumed>) = 0 [pid 5974] <... openat resumed>) = 3 [pid 5973] exit_group(0 [pid 5972] exit_group(0 [pid 5971] exit_group(0 [pid 5975] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5974] write(3, "1000", 4 [pid 5973] <... exit_group resumed>) = ? [pid 5972] <... exit_group resumed>) = ? [pid 5975] <... prctl resumed>) = 0 [pid 5974] <... write resumed>) = 4 [pid 5971] <... exit_group resumed>) = ? [pid 5974] close(3 [pid 5973] +++ exited with 0 +++ [pid 5975] setpgid(0, 0) = 0 [pid 5838] --- 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 5975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5975] <... openat resumed>) = 3 [pid 5974] <... close resumed>) = 0 ./strace-static-x86_64: Process 5976 attached [pid 5975] write(3, "1000", 4 executing program [pid 5974] write(1, "executing program\n", 18 [pid 5976] set_robust_list(0x5555802da660, 24 [pid 5975] <... write resumed>) = 4 [pid 5974] <... write resumed>) = 18 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 5976 [pid 5976] <... set_robust_list resumed>) = 0 [pid 5975] close(3 [pid 5974] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5976] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5975] <... close resumed>) = 0 [pid 5976] <... prctl resumed>) = 0 executing program [pid 5975] write(1, "executing program\n", 18 [pid 5974] <... bpf resumed>) = 3 [pid 5976] setpgid(0, 0 [pid 5975] <... write resumed>) = 18 [pid 5976] <... setpgid resumed>) = 0 [pid 5974] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5975] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5976] <... openat resumed>) = 3 [pid 5974] <... bpf resumed>) = 4 [pid 5975] <... bpf resumed>) = 3 [pid 5976] write(3, "1000", 4 [pid 5975] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5974] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5976] <... write resumed>) = 4 [pid 5976] close(3 [pid 5975] <... bpf resumed>) = 4 [pid 5976] <... close resumed>) = 0 [pid 5976] write(1, "executing program\n", 18executing program ) = 18 [pid 5976] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5976] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 5975] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5976] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5972] +++ exited with 0 +++ [pid 5971] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5971, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5972, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5977 attached [pid 5977] set_robust_list(0x5555802da660, 24./strace-static-x86_64: Process 5978 attached ) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 5977 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 5978 [pid 5978] set_robust_list(0x5555802da660, 24 [pid 5977] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5978] <... set_robust_list resumed>) = 0 [pid 5977] <... prctl resumed>) = 0 [pid 5978] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5977] setpgid(0, 0) = 0 [pid 5978] <... prctl resumed>) = 0 [pid 5977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5978] setpgid(0, 0) = 0 [pid 5977] <... openat resumed>) = 3 [pid 5978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5977] write(3, "1000", 4 [pid 5978] <... openat resumed>) = 3 [pid 5977] <... write resumed>) = 4 [pid 5976] <... bpf resumed>) = 5 [pid 5975] <... bpf resumed>) = 5 [pid 5974] <... bpf resumed>) = 5 [pid 5978] write(3, "1000", 4 [pid 5977] close(3 [pid 5976] exit_group(0 [pid 5975] exit_group(0 [pid 5974] exit_group(0 [pid 5978] <... write resumed>) = 4 [pid 5977] <... close resumed>) = 0 [pid 5976] <... exit_group resumed>) = ? [pid 5975] <... exit_group resumed>) = ? [pid 5974] <... exit_group resumed>) = ? [pid 5978] close(3 [pid 5977] write(1, "executing program\n", 18executing program [pid 5976] +++ exited with 0 +++ [pid 5975] +++ exited with 0 +++ [pid 5978] <... close resumed>) = 0 [pid 5977] <... write resumed>) = 18 [pid 5978] write(1, "executing program\n", 18 [pid 5977] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5975, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5976, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5838] restart_syscall(<... resuming interrupted clone ...>executing program [pid 5978] <... write resumed>) = 18 [pid 5977] <... bpf resumed>) = 3 [pid 5978] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5977] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5974] +++ exited with 0 +++ [pid 5978] <... bpf resumed>) = 3 [pid 5978] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5977] <... bpf resumed>) = 4 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5974, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5977] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5978] <... bpf resumed>) = 4 [pid 5978] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5978] <... bpf resumed>) = 5 [pid 5977] <... bpf resumed>) = 5 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5978] exit_group(0) = ? [pid 5978] +++ exited with 0 +++ [pid 5977] exit_group(0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5979 attached [pid 5977] <... exit_group resumed>) = ? [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5978, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5979] set_robust_list(0x5555802da660, 24 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 5979 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5979] <... set_robust_list resumed>) = 0 [pid 5979] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5979] setpgid(0, 0) = 0 [pid 5979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5982 attached ./strace-static-x86_64: Process 5981 attached ./strace-static-x86_64: Process 5980 attached ) = 3 [pid 5977] +++ exited with 0 +++ [pid 5982] set_robust_list(0x5555802da660, 24 [pid 5981] set_robust_list(0x5555802da660, 24 [pid 5979] write(3, "1000", 4 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 5981 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5977, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 5982 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 5980 [pid 5982] <... set_robust_list resumed>) = 0 [pid 5981] <... set_robust_list resumed>) = 0 [pid 5979] <... write resumed>) = 4 [pid 5982] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5981] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5979] close(3 [pid 5982] <... prctl resumed>) = 0 [pid 5981] <... prctl resumed>) = 0 [pid 5979] <... close resumed>) = 0 [pid 5982] setpgid(0, 0 [pid 5981] setpgid(0, 0executing program [pid 5979] write(1, "executing program\n", 18 [pid 5980] set_robust_list(0x5555802da660, 24) = 0 [pid 5982] <... setpgid resumed>) = 0 [pid 5981] <... setpgid resumed>) = 0 [pid 5979] <... write resumed>) = 18 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5980] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5979] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5983 attached [pid 5980] <... prctl resumed>) = 0 [pid 5982] <... openat resumed>) = 3 [pid 5981] <... openat resumed>) = 3 [pid 5979] <... bpf resumed>) = 3 [pid 5983] set_robust_list(0x5555802da660, 24 [pid 5982] write(3, "1000", 4 [pid 5981] write(3, "1000", 4 [pid 5980] setpgid(0, 0 [pid 5979] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 5983 [pid 5983] <... set_robust_list resumed>) = 0 [pid 5982] <... write resumed>) = 4 [pid 5981] <... write resumed>) = 4 [pid 5980] <... setpgid resumed>) = 0 [pid 5979] <... bpf resumed>) = 4 [pid 5983] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5982] close(3 [pid 5981] close(3 [pid 5983] <... prctl resumed>) = 0 [pid 5981] <... close resumed>) = 0 [pid 5980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5983] setpgid(0, 0 [pid 5982] <... close resumed>) = 0 [pid 5982] write(1, "executing program\n", 18 [pid 5981] write(1, "executing program\n", 18 [pid 5980] <... openat resumed>) = 3 executing program executing program [pid 5982] <... write resumed>) = 18 [pid 5981] <... write resumed>) = 18 [pid 5983] <... setpgid resumed>) = 0 [pid 5980] write(3, "1000", 4 [pid 5983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5982] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5981] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5980] <... write resumed>) = 4 [pid 5982] <... bpf resumed>) = 3 [pid 5981] <... bpf resumed>) = 3 [pid 5979] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5981] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5979] <... bpf resumed>) = 5 [pid 5983] <... openat resumed>) = 3 [pid 5980] close(3 [pid 5983] write(3, "1000", 4 [pid 5982] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5981] <... bpf resumed>) = 4 [pid 5980] <... close resumed>) = 0 [pid 5979] exit_group(0 [pid 5983] <... write resumed>) = 4 executing program [pid 5982] <... bpf resumed>) = 4 [pid 5980] write(1, "executing program\n", 18 [pid 5983] close(3 [pid 5980] <... write resumed>) = 18 [pid 5979] <... exit_group resumed>) = ? [pid 5983] <... close resumed>) = 0 [pid 5980] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5979] +++ exited with 0 +++ [pid 5983] write(1, "executing program\n", 18 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5979, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 5983] <... write resumed>) = 18 [pid 5980] <... bpf resumed>) = 3 [pid 5983] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5982] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5981] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5983] <... bpf resumed>) = 3 [pid 5980] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5984 attached [pid 5983] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5984] set_robust_list(0x5555802da660, 24) = 0 [pid 5984] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 5984 [pid 5984] <... prctl resumed>) = 0 [pid 5984] setpgid(0, 0) = 0 [pid 5984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5980] <... bpf resumed>) = 4 [pid 5984] <... openat resumed>) = 3 [pid 5983] <... bpf resumed>) = 4 [pid 5982] <... bpf resumed>) = 5 [pid 5981] <... bpf resumed>) = 5 [pid 5980] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5984] write(3, "1000", 4 [pid 5983] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5982] exit_group(0 [pid 5981] exit_group(0 [pid 5980] <... bpf resumed>) = 5 [pid 5984] <... write resumed>) = 4 [pid 5983] <... bpf resumed>) = 5 [pid 5982] <... exit_group resumed>) = ? [pid 5981] <... exit_group resumed>) = ? [pid 5984] close(3 [pid 5983] exit_group(0 [pid 5982] +++ exited with 0 +++ [pid 5981] +++ exited with 0 +++ [pid 5980] exit_group(0 [pid 5984] <... close resumed>) = 0 [pid 5983] <... exit_group resumed>) = ? [pid 5980] <... exit_group resumed>) = ? [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5982, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5984] write(1, "executing program\n", 18 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5981, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 5984] <... write resumed>) = 18 [pid 5984] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5984] <... bpf resumed>) = 3 [pid 5984] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5983] +++ exited with 0 +++ [pid 5980] +++ exited with 0 +++ [pid 5846] <... restart_syscall resumed>) = 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5983, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5980, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5984] <... bpf resumed>) = 4 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5985 attached ./strace-static-x86_64: Process 5988 attached ./strace-static-x86_64: Process 5987 attached ./strace-static-x86_64: Process 5986 attached [pid 5985] set_robust_list(0x5555802da660, 24 [pid 5984] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5988] set_robust_list(0x5555802da660, 24 [pid 5987] set_robust_list(0x5555802da660, 24 [pid 5986] set_robust_list(0x5555802da660, 24 [pid 5985] <... set_robust_list resumed>) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 5988 [pid 5988] <... set_robust_list resumed>) = 0 [pid 5987] <... set_robust_list resumed>) = 0 [pid 5986] <... set_robust_list resumed>) = 0 [pid 5985] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 5987 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 5986 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 5985 [pid 5987] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5988] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5987] <... prctl resumed>) = 0 [pid 5986] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5985] <... prctl resumed>) = 0 [pid 5988] setpgid(0, 0 [pid 5987] setpgid(0, 0 [pid 5986] <... prctl resumed>) = 0 [pid 5985] setpgid(0, 0 [pid 5988] <... setpgid resumed>) = 0 [pid 5988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5987] <... setpgid resumed>) = 0 [pid 5986] setpgid(0, 0 [pid 5985] <... setpgid resumed>) = 0 [pid 5988] <... openat resumed>) = 3 [pid 5987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5986] <... setpgid resumed>) = 0 [pid 5985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5988] write(3, "1000", 4 [pid 5987] <... openat resumed>) = 3 [pid 5986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5985] <... openat resumed>) = 3 [pid 5988] <... write resumed>) = 4 executing program [pid 5988] close(3 [pid 5986] <... openat resumed>) = 3 [pid 5988] <... close resumed>) = 0 [pid 5988] write(1, "executing program\n", 18 [pid 5987] write(3, "1000", 4 [pid 5988] <... write resumed>) = 18 [pid 5987] <... write resumed>) = 4 [pid 5986] write(3, "1000", 4 [pid 5988] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5986] <... write resumed>) = 4 [pid 5988] <... bpf resumed>) = 3 [pid 5987] close(3 [pid 5986] close(3 [pid 5985] write(3, "1000", 4 [pid 5984] <... bpf resumed>) = 5 [pid 5988] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5987] <... close resumed>) = 0 [pid 5986] <... close resumed>) = 0 [pid 5985] <... write resumed>) = 4 executing program [pid 5987] write(1, "executing program\n", 18 [pid 5985] close(3 [pid 5984] exit_group(0 [pid 5987] <... write resumed>) = 18 [pid 5987] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5985] <... close resumed>) = 0 [pid 5984] <... exit_group resumed>) = ? executing program [pid 5988] <... bpf resumed>) = 4 [pid 5987] <... bpf resumed>) = 3 [pid 5986] write(1, "executing program\n", 18 [pid 5985] write(1, "executing program\n", 18executing program [pid 5984] +++ exited with 0 +++ [pid 5988] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5986] <... write resumed>) = 18 [pid 5985] <... write resumed>) = 18 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5984, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5987] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5986] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5985] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5987] <... bpf resumed>) = 4 [pid 5986] <... bpf resumed>) = 3 [pid 5986] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5985] <... bpf resumed>) = 3 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5987] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5985] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5986] <... bpf resumed>) = 4 [pid 5985] <... bpf resumed>) = 4 [pid 5986] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5985] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5989 attached , child_tidptr=0x5555802da650) = 5989 [pid 5989] set_robust_list(0x5555802da660, 24) = 0 [pid 5988] <... bpf resumed>) = 5 [pid 5987] <... bpf resumed>) = 5 [pid 5986] <... bpf resumed>) = 5 [pid 5985] <... bpf resumed>) = 5 [pid 5989] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5988] exit_group(0 [pid 5989] <... prctl resumed>) = 0 [pid 5987] exit_group(0 [pid 5986] exit_group(0 [pid 5985] exit_group(0 [pid 5988] <... exit_group resumed>) = ? [pid 5989] setpgid(0, 0 [pid 5987] <... exit_group resumed>) = ? [pid 5986] <... exit_group resumed>) = ? [pid 5985] <... exit_group resumed>) = ? [pid 5989] <... setpgid resumed>) = 0 [pid 5989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5988] +++ exited with 0 +++ [pid 5846] --- 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] write(3, "1000", 4 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5986] +++ exited with 0 +++ [pid 5989] <... write resumed>) = 4 [pid 5989] close(3) = 0 [pid 5989] write(1, "executing program\n", 18executing program ) = 18 [pid 5989] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5986, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5989] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5990 attached [pid 5989] <... bpf resumed>) = 4 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 5990 [pid 5990] set_robust_list(0x5555802da660, 24 [pid 5989] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5987] +++ exited with 0 +++ [pid 5985] +++ exited with 0 +++ [pid 5990] <... set_robust_list resumed>) = 0 [pid 5990] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5987, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5985, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5990] <... prctl resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5991 attached [pid 5990] setpgid(0, 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5992 attached ./strace-static-x86_64: Process 5993 attached [pid 5991] set_robust_list(0x5555802da660, 24 [pid 5990] <... setpgid resumed>) = 0 [pid 5992] set_robust_list(0x5555802da660, 24 [pid 5991] <... set_robust_list resumed>) = 0 [pid 5990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 5991 [pid 5990] <... openat resumed>) = 3 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 5993 [pid 5993] set_robust_list(0x5555802da660, 24 [pid 5991] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5992] <... set_robust_list resumed>) = 0 [pid 5990] write(3, "1000", 4) = 4 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 5992 [pid 5990] close(3) = 0 [pid 5993] <... set_robust_list resumed>) = 0 [pid 5992] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5991] <... prctl resumed>) = 0 executing program [pid 5990] write(1, "executing program\n", 18 [pid 5989] <... bpf resumed>) = 5 [pid 5993] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5992] <... prctl resumed>) = 0 [pid 5991] setpgid(0, 0 [pid 5990] <... write resumed>) = 18 [pid 5989] exit_group(0 [pid 5993] <... prctl resumed>) = 0 [pid 5992] setpgid(0, 0 [pid 5991] <... setpgid resumed>) = 0 [pid 5990] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5993] setpgid(0, 0 [pid 5992] <... setpgid resumed>) = 0 [pid 5991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5990] <... bpf resumed>) = 3 [pid 5989] <... exit_group resumed>) = ? [pid 5993] <... setpgid resumed>) = 0 [pid 5992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5991] <... openat resumed>) = 3 [pid 5990] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5989] +++ exited with 0 +++ [pid 5993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5992] <... openat resumed>) = 3 [pid 5991] write(3, "1000", 4 [pid 5990] <... bpf resumed>) = 4 [pid 5993] <... openat resumed>) = 3 [pid 5991] <... write resumed>) = 4 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5989, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5992] write(3, "1000", 4 [pid 5993] write(3, "1000", 4 [pid 5991] close(3 [pid 5990] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5992] <... write resumed>) = 4 [pid 5993] <... write resumed>) = 4 [pid 5992] close(3 [pid 5991] <... close resumed>) = 0 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5993] close(3 executing program [pid 5992] <... close resumed>) = 0 [pid 5991] write(1, "executing program\n", 18 [pid 5990] <... bpf resumed>) = 5 [pid 5993] <... close resumed>) = 0 [pid 5992] write(1, "executing program\n", 18 [pid 5991] <... write resumed>) = 18 executing program executing program [pid 5993] write(1, "executing program\n", 18 [pid 5991] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5990] exit_group(0 [pid 5993] <... write resumed>) = 18 [pid 5992] <... write resumed>) = 18 [pid 5991] <... bpf resumed>) = 3 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5993] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5992] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5991] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5990] <... exit_group resumed>) = ? [pid 5993] <... bpf resumed>) = 3 [pid 5992] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 5994 attached [pid 5993] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5991] <... bpf resumed>) = 4 [pid 5990] +++ exited with 0 +++ [pid 5994] set_robust_list(0x5555802da660, 24 [pid 5992] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 5994 [pid 5994] <... set_robust_list resumed>) = 0 [pid 5993] <... bpf resumed>) = 4 [pid 5991] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5994] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5994] setpgid(0, 0) = 0 [pid 5994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5992] <... bpf resumed>) = 4 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5990, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5994] <... openat resumed>) = 3 [pid 5993] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5994] write(3, "1000", 4 [pid 5992] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5994] <... write resumed>) = 4 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5994] close(3) = 0 [pid 5994] write(1, "executing program\n", 18executing program ) = 18 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5994] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5995 attached ) = 3 [pid 5994] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5995] set_robust_list(0x5555802da660, 24) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 5995 [pid 5995] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5995] setpgid(0, 0) = 0 [pid 5995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5994] <... bpf resumed>) = 4 [pid 5995] write(3, "1000", 4 [pid 5993] <... bpf resumed>) = 5 [pid 5992] <... bpf resumed>) = 5 [pid 5991] <... bpf resumed>) = 5 [pid 5995] <... write resumed>) = 4 [pid 5994] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5993] exit_group(0 [pid 5992] exit_group(0 [pid 5991] exit_group(0 [pid 5995] close(3 [pid 5994] <... bpf resumed>) = 5 [pid 5993] <... exit_group resumed>) = ? [pid 5992] <... exit_group resumed>) = ? [pid 5991] <... exit_group resumed>) = ? [pid 5995] <... close resumed>) = 0 [pid 5994] exit_group(0 [pid 5993] +++ exited with 0 +++ [pid 5992] +++ exited with 0 +++ [pid 5994] <... exit_group resumed>) = ? [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5993, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5992, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5995] write(1, "executing program\n", 18executing program ) = 18 [pid 5995] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5995] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 5995] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5996 attached ./strace-static-x86_64: Process 5997 attached [pid 5997] set_robust_list(0x5555802da660, 24 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 5997 [pid 5991] +++ exited with 0 +++ [pid 5997] <... set_robust_list resumed>) = 0 [pid 5996] set_robust_list(0x5555802da660, 24 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 5996 [pid 5997] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5996] <... set_robust_list resumed>) = 0 [pid 5997] <... prctl resumed>) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5991, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5994] +++ exited with 0 +++ [pid 5996] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5997] setpgid(0, 0) = 0 [pid 5996] <... prctl resumed>) = 0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5994, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5840] <... restart_syscall resumed>) = 0 [pid 5996] setpgid(0, 0 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5997] <... openat resumed>) = 3 [pid 5996] <... setpgid resumed>) = 0 [pid 5997] write(3, "1000", 4 [pid 5996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5995] <... bpf resumed>) = 5 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5998 attached [pid 5997] <... write resumed>) = 4 [pid 5996] <... openat resumed>) = 3 [pid 5995] exit_group(0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5997] close(3) = 0 [pid 5996] write(3, "1000", 4 [pid 5995] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5999 attached executing program [pid 5998] set_robust_list(0x5555802da660, 24 [pid 5997] write(1, "executing program\n", 18 [pid 5996] <... write resumed>) = 4 [pid 5995] +++ exited with 0 +++ [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 5998 [pid 5998] <... set_robust_list resumed>) = 0 [pid 5997] <... write resumed>) = 18 [pid 5996] close(3 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5995, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5999] set_robust_list(0x5555802da660, 24 [pid 5998] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5997] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5996] <... close resumed>) = 0 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 5999 [pid 5999] <... set_robust_list resumed>) = 0 [pid 5998] <... prctl resumed>) = 0 [pid 5998] setpgid(0, 0 [pid 5997] <... bpf resumed>) = 3 [pid 5996] write(1, "executing program\n", 18 [pid 5998] <... setpgid resumed>) = 0 executing program [pid 5997] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5996] <... write resumed>) = 18 [pid 5999] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5997] <... bpf resumed>) = 4 [pid 5996] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5998] <... openat resumed>) = 3 [pid 5999] <... prctl resumed>) = 0 [pid 5996] <... bpf resumed>) = 3 [pid 5996] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5999] setpgid(0, 0 [pid 5998] write(3, "1000", 4 [pid 5997] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5996] <... bpf resumed>) = 4 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5999] <... setpgid resumed>) = 0 [pid 5998] <... write resumed>) = 4 [pid 5999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5998] close(3) = 0 [pid 5999] <... openat resumed>) = 3 executing program [pid 5998] write(1, "executing program\n", 18 [pid 5999] write(3, "1000", 4 [pid 5998] <... write resumed>) = 18 [pid 5996] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6000 attached [pid 5999] <... write resumed>) = 4 [pid 5998] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6000] set_robust_list(0x5555802da660, 24 [pid 5999] close(3 [pid 5998] <... bpf resumed>) = 3 [pid 6000] <... set_robust_list resumed>) = 0 [pid 5999] <... close resumed>) = 0 [pid 5999] write(1, "executing program\n", 18 [pid 6000] prctl(PR_SET_PDEATHSIG, SIGKILL executing program [pid 5998] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6000] <... prctl resumed>) = 0 [pid 5999] <... write resumed>) = 18 [pid 5998] <... bpf resumed>) = 4 [pid 6000] setpgid(0, 0 [pid 5999] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6000 [pid 6000] <... setpgid resumed>) = 0 [pid 5999] <... bpf resumed>) = 3 [pid 6000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5999] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6000] <... openat resumed>) = 3 [pid 5999] <... bpf resumed>) = 4 [pid 5997] <... bpf resumed>) = 5 [pid 6000] write(3, "1000", 4) = 4 [pid 5998] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5996] <... bpf resumed>) = 5 [pid 6000] close(3 [pid 5997] exit_group(0 [pid 6000] <... close resumed>) = 0 [pid 6000] write(1, "executing program\n", 18 [pid 5998] <... bpf resumed>) = 5 executing program [pid 5997] <... exit_group resumed>) = ? [pid 5996] exit_group(0 [pid 6000] <... write resumed>) = 18 [pid 5999] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5998] exit_group(0 [pid 5997] +++ exited with 0 +++ [pid 5996] <... exit_group resumed>) = ? [pid 6000] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5999] <... bpf resumed>) = 5 [pid 5998] <... exit_group resumed>) = ? [pid 5996] +++ exited with 0 +++ [pid 6000] <... bpf resumed>) = 3 [pid 5999] exit_group(0 [pid 6000] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5838] --- 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] <... exit_group resumed>) = ? [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5996, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6000] <... bpf resumed>) = 4 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555802da650) = 6001 ./strace-static-x86_64: Process 6001 attached [pid 6000] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5999] +++ exited with 0 +++ [pid 5998] +++ exited with 0 +++ [pid 5838] <... restart_syscall resumed>) = 0 [pid 6001] set_robust_list(0x5555802da660, 24 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5998, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6001] <... set_robust_list resumed>) = 0 [pid 5844] --- 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 6001] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6003 attached ./strace-static-x86_64: Process 6002 attached [pid 6001] <... prctl resumed>) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6001] setpgid(0, 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6002 ./strace-static-x86_64: Process 6004 attached [pid 6003] set_robust_list(0x5555802da660, 24 [pid 6002] set_robust_list(0x5555802da660, 24 [pid 6001] <... setpgid resumed>) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6003 [pid 6004] set_robust_list(0x5555802da660, 24 [pid 6003] <... set_robust_list resumed>) = 0 [pid 6002] <... set_robust_list resumed>) = 0 [pid 6001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6004 [pid 6004] <... set_robust_list resumed>) = 0 [pid 6003] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6002] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6004] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6003] <... prctl resumed>) = 0 [pid 6002] <... prctl resumed>) = 0 [pid 6001] <... openat resumed>) = 3 [pid 6004] <... prctl resumed>) = 0 [pid 6003] setpgid(0, 0 [pid 6002] setpgid(0, 0 [pid 6004] setpgid(0, 0 [pid 6003] <... setpgid resumed>) = 0 [pid 6002] <... setpgid resumed>) = 0 [pid 6001] write(3, "1000", 4 [pid 6004] <... setpgid resumed>) = 0 [pid 6003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6001] <... write resumed>) = 4 [pid 6004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6003] <... openat resumed>) = 3 [pid 6001] close(3 [pid 6002] <... openat resumed>) = 3 [pid 6001] <... close resumed>) = 0 executing program [pid 6004] <... openat resumed>) = 3 [pid 6001] write(1, "executing program\n", 18 [pid 6003] write(3, "1000", 4 [pid 6002] write(3, "1000", 4 [pid 6001] <... write resumed>) = 18 [pid 6004] write(3, "1000", 4 [pid 6003] <... write resumed>) = 4 [pid 6002] <... write resumed>) = 4 [pid 6001] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6000] <... bpf resumed>) = 5 [pid 6004] <... write resumed>) = 4 [pid 6003] close(3 [pid 6002] close(3 [pid 6004] close(3 [pid 6003] <... close resumed>) = 0 [pid 6002] <... close resumed>) = 0 [pid 6001] <... bpf resumed>) = 3 [pid 6004] <... close resumed>) = 0 [pid 6003] write(1, "executing program\n", 18 [pid 6002] write(1, "executing program\n", 18executing program executing program executing program [pid 6004] write(1, "executing program\n", 18 [pid 6003] <... write resumed>) = 18 [pid 6002] <... write resumed>) = 18 [pid 6001] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6004] <... write resumed>) = 18 [pid 6003] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6002] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6001] <... bpf resumed>) = 4 [pid 6000] exit_group(0 [pid 6004] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6003] <... bpf resumed>) = 3 [pid 6002] <... bpf resumed>) = 3 [pid 6000] <... exit_group resumed>) = ? [pid 6004] <... bpf resumed>) = 3 [pid 6002] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6004] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6003] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6002] <... bpf resumed>) = 4 [pid 6001] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6000] +++ exited with 0 +++ [pid 6004] <... bpf resumed>) = 4 [pid 6003] <... bpf resumed>) = 4 [pid 6004] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6000, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6002] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16./strace-static-x86_64: Process 6005 attached [pid 6003] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6005] set_robust_list(0x5555802da660, 24 [pid 6004] <... bpf resumed>) = 5 [pid 6003] <... bpf resumed>) = 5 [pid 6002] <... bpf resumed>) = 5 [pid 6001] <... bpf resumed>) = 5 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6005 [pid 6005] <... set_robust_list resumed>) = 0 [pid 6004] exit_group(0 [pid 6003] exit_group(0 [pid 6002] exit_group(0 [pid 6001] exit_group(0 [pid 6005] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6004] <... exit_group resumed>) = ? [pid 6003] <... exit_group resumed>) = ? [pid 6002] <... exit_group resumed>) = ? [pid 6001] <... exit_group resumed>) = ? [pid 6005] <... prctl resumed>) = 0 [pid 6004] +++ exited with 0 +++ [pid 6003] +++ exited with 0 +++ [pid 6002] +++ exited with 0 +++ [pid 6001] +++ exited with 0 +++ [pid 6005] setpgid(0, 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6001, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6002, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5838] --- 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] <... setpgid resumed>) = 0 [pid 6005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6004, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6005] <... openat resumed>) = 3 [pid 6005] write(3, "1000", 4) = 4 [pid 6005] close(3) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 6005] write(1, "executing program\n", 18 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6006 attached ./strace-static-x86_64: Process 6009 attached ./strace-static-x86_64: Process 6008 attached ./strace-static-x86_64: Process 6007 attached [pid 6006] set_robust_list(0x5555802da660, 24 [pid 6005] <... write resumed>) = 18 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6006 [pid 6007] set_robust_list(0x5555802da660, 24 [pid 6006] <... set_robust_list resumed>) = 0 [pid 6005] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6006] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6005] <... bpf resumed>) = 3 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6007 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6009 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6008 [pid 6009] set_robust_list(0x5555802da660, 24 [pid 6008] set_robust_list(0x5555802da660, 24 [pid 6007] <... set_robust_list resumed>) = 0 [pid 6006] <... prctl resumed>) = 0 [pid 6005] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6009] <... set_robust_list resumed>) = 0 [pid 6008] <... set_robust_list resumed>) = 0 [pid 6007] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6006] setpgid(0, 0 [pid 6005] <... bpf resumed>) = 4 [pid 6007] <... prctl resumed>) = 0 [pid 6006] <... setpgid resumed>) = 0 [pid 6008] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6007] setpgid(0, 0 [pid 6009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6008] setpgid(0, 0 [pid 6007] <... setpgid resumed>) = 0 [pid 6009] <... prctl resumed>) = 0 [pid 6008] <... setpgid resumed>) = 0 [pid 6007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6005] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6009] setpgid(0, 0 [pid 6008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6006] <... openat resumed>) = 3 executing program executing program executing program [pid 6009] <... setpgid resumed>) = 0 [pid 6008] <... openat resumed>) = 3 [pid 6007] <... openat resumed>) = 3 [pid 6006] write(3, "1000", 4 [pid 6009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6008] write(3, "1000", 4 [pid 6007] write(3, "1000", 4 [pid 6006] <... write resumed>) = 4 [pid 6005] <... bpf resumed>) = 5 [pid 6008] <... write resumed>) = 4 [pid 6009] <... openat resumed>) = 3 [pid 6007] <... write resumed>) = 4 [pid 6009] write(3, "1000", 4 [pid 6008] close(3 [pid 6007] close(3 [pid 6009] <... write resumed>) = 4 [pid 6008] <... close resumed>) = 0 [pid 6009] close(3 [pid 6007] <... close resumed>) = 0 [pid 6009] <... close resumed>) = 0 [pid 6008] write(1, "executing program\n", 18 [pid 6009] write(1, "executing program\n", 18 [pid 6007] write(1, "executing program\n", 18 [pid 6009] <... write resumed>) = 18 [pid 6008] <... write resumed>) = 18 [pid 6007] <... write resumed>) = 18 [pid 6009] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6008] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6007] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6009] <... bpf resumed>) = 3 [pid 6008] <... bpf resumed>) = 3 [pid 6007] <... bpf resumed>) = 3 [pid 6009] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6008] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6007] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6006] close(3 [pid 6005] exit_group(0 [pid 6006] <... close resumed>) = 0 [pid 6005] <... exit_group resumed>) = ? [pid 6009] <... bpf resumed>) = 4 [pid 6007] <... bpf resumed>) = 4 executing program [pid 6006] write(1, "executing program\n", 18 [pid 6005] +++ exited with 0 +++ [pid 6009] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6008] <... bpf resumed>) = 4 [pid 6007] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6006] <... write resumed>) = 18 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6005, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6008] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6006] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6006] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6006] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 6010 attached [pid 6006] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6010] set_robust_list(0x5555802da660, 24) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6010 [pid 6010] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6010] setpgid(0, 0) = 0 [pid 6010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6010] write(3, "1000", 4) = 4 [pid 6010] close(3) = 0 executing program [pid 6010] write(1, "executing program\n", 18) = 18 [pid 6010] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6010] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 6010] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16) = 5 [pid 6009] <... bpf resumed>) = 5 [pid 6008] <... bpf resumed>) = 5 [pid 6007] <... bpf resumed>) = 5 [pid 6006] <... bpf resumed>) = 5 [pid 6010] exit_group(0 [pid 6009] exit_group(0 [pid 6008] exit_group(0 [pid 6007] exit_group(0 [pid 6006] exit_group(0 [pid 6010] <... exit_group resumed>) = ? [pid 6009] <... exit_group resumed>) = ? [pid 6008] <... exit_group resumed>) = ? [pid 6007] <... exit_group resumed>) = ? [pid 6006] <... exit_group resumed>) = ? [pid 6010] +++ exited with 0 +++ [pid 6009] +++ exited with 0 +++ [pid 6008] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6009, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6008, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6010, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6007] +++ exited with 0 +++ [pid 6006] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6006, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] --- 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 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6011 attached ./strace-static-x86_64: Process 6012 attached [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6012 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6011 ./strace-static-x86_64: Process 6013 attached [pid 6011] set_robust_list(0x5555802da660, 24 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6014 attached ./strace-static-x86_64: Process 6015 attached [pid 6013] set_robust_list(0x5555802da660, 24 [pid 6012] set_robust_list(0x5555802da660, 24 [pid 6011] <... set_robust_list resumed>) = 0 [pid 6013] <... set_robust_list resumed>) = 0 [pid 6011] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6012] <... set_robust_list resumed>) = 0 [pid 6013] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6012] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6011] <... prctl resumed>) = 0 [pid 6015] set_robust_list(0x5555802da660, 24 [pid 6014] set_robust_list(0x5555802da660, 24 [pid 6012] <... prctl resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6013 [pid 6015] <... set_robust_list resumed>) = 0 [pid 6014] <... set_robust_list resumed>) = 0 [pid 6013] <... prctl resumed>) = 0 [pid 6011] setpgid(0, 0 [pid 6012] setpgid(0, 0 [pid 6015] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6013] setpgid(0, 0 [pid 6012] <... setpgid resumed>) = 0 [pid 6011] <... setpgid resumed>) = 0 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6015 [pid 6014] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6014 [pid 6015] <... prctl resumed>) = 0 [pid 6014] <... prctl resumed>) = 0 [pid 6013] <... setpgid resumed>) = 0 [pid 6011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6012] <... openat resumed>) = 3 [pid 6013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6015] setpgid(0, 0 [pid 6014] setpgid(0, 0 [pid 6011] <... openat resumed>) = 3 [pid 6015] <... setpgid resumed>) = 0 [pid 6014] <... setpgid resumed>) = 0 [pid 6012] write(3, "1000", 4 [pid 6014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6012] <... write resumed>) = 4 [pid 6011] write(3, "1000", 4 [pid 6013] <... openat resumed>) = 3 [pid 6014] <... openat resumed>) = 3 [pid 6012] close(3 [pid 6011] <... write resumed>) = 4 [pid 6015] <... openat resumed>) = 3 [pid 6013] write(3, "1000", 4 [pid 6011] close(3 [pid 6015] write(3, "1000", 4 [pid 6014] write(3, "1000", 4 [pid 6013] <... write resumed>) = 4 [pid 6012] <... close resumed>) = 0 [pid 6011] <... close resumed>) = 0 [pid 6015] <... write resumed>) = 4 executing program [pid 6014] <... write resumed>) = 4 [pid 6013] close(3 [pid 6012] write(1, "executing program\n", 18 [pid 6011] write(1, "executing program\n", 18 [pid 6014] close(3 [pid 6013] <... close resumed>) = 0 [pid 6012] <... write resumed>) = 18 [pid 6014] <... close resumed>) = 0 executing program executing program executing program [pid 6015] close(3 [pid 6014] write(1, "executing program\n", 18 [pid 6013] write(1, "executing program\n", 18 [pid 6012] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6011] <... write resumed>) = 18 [pid 6015] <... close resumed>) = 0 [pid 6014] <... write resumed>) = 18 [pid 6013] <... write resumed>) = 18 [pid 6012] <... bpf resumed>) = 3 [pid 6011] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program [pid 6015] write(1, "executing program\n", 18 [pid 6014] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6013] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6012] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6015] <... write resumed>) = 18 [pid 6014] <... bpf resumed>) = 3 [pid 6013] <... bpf resumed>) = 3 [pid 6011] <... bpf resumed>) = 3 [pid 6015] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6014] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6013] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6012] <... bpf resumed>) = 4 [pid 6011] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6012] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6015] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6014] <... bpf resumed>) = 4 [pid 6013] <... bpf resumed>) = 4 [pid 6012] <... bpf resumed>) = 5 [pid 6011] <... bpf resumed>) = 4 [pid 6015] <... bpf resumed>) = 4 [pid 6015] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16) = 5 [pid 6014] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6013] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6012] exit_group(0 [pid 6011] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6014] <... bpf resumed>) = 5 [pid 6014] exit_group(0 [pid 6013] <... bpf resumed>) = 5 [pid 6012] <... exit_group resumed>) = ? [pid 6011] <... bpf resumed>) = 5 [pid 6015] exit_group(0 [pid 6014] <... exit_group resumed>) = ? [pid 6013] exit_group(0 [pid 6012] +++ exited with 0 +++ [pid 6011] exit_group(0 [pid 6015] <... exit_group resumed>) = ? [pid 6014] +++ exited with 0 +++ [pid 6013] <... exit_group resumed>) = ? [pid 6011] <... exit_group resumed>) = ? [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6012, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6015] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6014, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6015, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5846] <... restart_syscall resumed>) = 0 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6016 attached [pid 6013] +++ exited with 0 +++ [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6016 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6013, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6017 attached [pid 6016] set_robust_list(0x5555802da660, 24 [pid 6011] +++ exited with 0 +++ [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6016] <... set_robust_list resumed>) = 0 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6017 [pid 6017] set_robust_list(0x5555802da660, 24 [pid 6016] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6017] <... set_robust_list resumed>) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6011, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6018 attached [pid 6016] <... prctl resumed>) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6018 [pid 6018] set_robust_list(0x5555802da660, 24 [pid 6017] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6016] setpgid(0, 0 [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6018] <... set_robust_list resumed>) = 0 [pid 6016] <... setpgid resumed>) = 0 [pid 6018] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6017] <... prctl resumed>) = 0 [pid 6016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6018] <... prctl resumed>) = 0 [pid 6017] setpgid(0, 0 [pid 6018] setpgid(0, 0 [pid 6016] <... openat resumed>) = 3 [pid 6018] <... setpgid resumed>) = 0 [pid 6017] <... setpgid resumed>) = 0 [pid 5842] <... restart_syscall resumed>) = 0 [pid 5840] <... restart_syscall resumed>) = 0 [pid 6018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6016] write(3, "1000", 4 [pid 6018] <... openat resumed>) = 3 [pid 6017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6016] <... write resumed>) = 4 [pid 6018] write(3, "1000", 4 [pid 6017] <... openat resumed>) = 3 [pid 6016] close(3 [pid 6018] <... write resumed>) = 4 [pid 6016] <... close resumed>) = 0 [pid 6018] close(3 [pid 6017] write(3, "1000", 4executing program executing program executing program [pid 6016] write(1, "executing program\n", 18 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6018] <... close resumed>) = 0 [pid 6017] <... write resumed>) = 4 [pid 6016] <... write resumed>) = 18 [pid 6018] write(1, "executing program\n", 18 [pid 6017] close(3 [pid 6016] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6018] <... write resumed>) = 18 [pid 6018] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6017] <... close resumed>) = 0 [pid 6016] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 6019 attached [pid 6018] <... bpf resumed>) = 3 [pid 6017] write(1, "executing program\n", 18) = 18 [pid 6016] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144./strace-static-x86_64: Process 6020 attached [pid 6019] set_robust_list(0x5555802da660, 24 [pid 6018] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6017] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6020] set_robust_list(0x5555802da660, 24 [pid 6019] <... set_robust_list resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6020 [pid 6020] <... set_robust_list resumed>) = 0 [pid 6019] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6019 [pid 6020] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6018] <... bpf resumed>) = 4 [pid 6017] <... bpf resumed>) = 3 [pid 6016] <... bpf resumed>) = 4 [pid 6020] <... prctl resumed>) = 0 [pid 6017] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6020] setpgid(0, 0 [pid 6019] <... prctl resumed>) = 0 [pid 6018] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6017] <... bpf resumed>) = 4 [pid 6016] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6020] <... setpgid resumed>) = 0 [pid 6019] setpgid(0, 0 [pid 6018] <... bpf resumed>) = 5 [pid 6016] <... bpf resumed>) = 5 [pid 6020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6019] <... setpgid resumed>) = 0 [pid 6018] exit_group(0 [pid 6017] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6016] exit_group(0 [pid 6020] <... openat resumed>) = 3 [pid 6019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6018] <... exit_group resumed>) = ? [pid 6017] <... bpf resumed>) = 5 [pid 6016] <... exit_group resumed>) = ? [pid 6020] write(3, "1000", 4 [pid 6019] <... openat resumed>) = 3 [pid 6018] +++ exited with 0 +++ [pid 6017] exit_group(0 [pid 6020] <... write resumed>) = 4 [pid 6019] write(3, "1000", 4 [pid 6017] <... exit_group resumed>) = ? [pid 6020] close(3) = 0 executing program [pid 6020] write(1, "executing program\n", 18 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6018, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6020] <... write resumed>) = 18 [pid 6020] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6019] <... write resumed>) = 4 [pid 5838] restart_syscall(<... resuming interrupted clone ...> executing program [pid 6019] close(3 [pid 5838] <... restart_syscall resumed>) = 0 [pid 6019] <... close resumed>) = 0 [pid 6019] write(1, "executing program\n", 18) = 18 [pid 6020] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6019] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6019] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 6021 attached [pid 6020] <... bpf resumed>) = 4 [pid 6019] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6021] set_robust_list(0x5555802da660, 24 [pid 6020] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6021] <... set_robust_list resumed>) = 0 [pid 6021] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6021 [pid 6021] <... prctl resumed>) = 0 [pid 6021] setpgid(0, 0) = 0 [pid 6021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6021] write(3, "1000", 4) = 4 [pid 6021] close(3) = 0 [pid 6019] <... bpf resumed>) = 4 [pid 6021] write(1, "executing program\n", 18 [pid 6019] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6016] +++ exited with 0 +++ executing program [pid 6021] <... write resumed>) = 18 [pid 6017] +++ exited with 0 +++ [pid 5846] --- 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 6021] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6017, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6021] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 6022 attached [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6022 [pid 6022] set_robust_list(0x5555802da660, 24 [pid 6021] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6022] <... set_robust_list resumed>) = 0 [pid 6022] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6022] setpgid(0, 0 [pid 6021] <... bpf resumed>) = 4 [pid 6020] <... bpf resumed>) = 5 [pid 6019] <... bpf resumed>) = 5 [pid 6022] <... setpgid resumed>) = 0 [pid 6021] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6019] exit_group(0 [pid 6022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6021] <... bpf resumed>) = 5 [pid 6020] exit_group(0 [pid 6022] <... openat resumed>) = 3 [pid 6021] exit_group(0 [pid 6019] <... exit_group resumed>) = ? [pid 6022] write(3, "1000", 4 executing program [pid 6021] <... exit_group resumed>) = ? [pid 6020] <... exit_group resumed>) = ? [pid 6019] +++ exited with 0 +++ [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6022] <... write resumed>) = 4 [pid 6022] close(3) = 0 [pid 6022] write(1, "executing program\n", 18) = 18 [pid 6022] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6022] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144./strace-static-x86_64: Process 6023 attached [pid 6021] +++ exited with 0 +++ [pid 6020] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6019, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6023] set_robust_list(0x5555802da660, 24 [pid 6022] <... bpf resumed>) = 4 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6023 [pid 5840] <... restart_syscall resumed>) = 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6021, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6023] <... set_robust_list resumed>) = 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6020, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6024 attached [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6023] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6024] set_robust_list(0x5555802da660, 24 [pid 6023] <... prctl resumed>) = 0 [pid 6024] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6025 attached ./strace-static-x86_64: Process 6026 attached [pid 6024] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6023] setpgid(0, 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6024 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6025 [pid 6026] set_robust_list(0x5555802da660, 24 [pid 6025] set_robust_list(0x5555802da660, 24 [pid 6024] <... prctl resumed>) = 0 [pid 6023] <... setpgid resumed>) = 0 [pid 6022] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6026 [pid 6023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6026] <... set_robust_list resumed>) = 0 [pid 6025] <... set_robust_list resumed>) = 0 [pid 6024] setpgid(0, 0 [pid 6023] <... openat resumed>) = 3 [pid 6022] <... bpf resumed>) = 5 [pid 6025] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6022] exit_group(0 [pid 6026] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6025] <... prctl resumed>) = 0 [pid 6024] <... setpgid resumed>) = 0 [pid 6023] write(3, "1000", 4 [pid 6026] <... prctl resumed>) = 0 [pid 6025] setpgid(0, 0 [pid 6022] <... exit_group resumed>) = ? [pid 6026] setpgid(0, 0 [pid 6025] <... setpgid resumed>) = 0 [pid 6024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6023] <... write resumed>) = 4 [pid 6022] +++ exited with 0 +++ [pid 6026] <... setpgid resumed>) = 0 [pid 6025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6023] close(3 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6022, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6024] <... openat resumed>) = 3 [pid 6023] <... close resumed>) = 0 executing program [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6026] <... openat resumed>) = 3 [pid 6025] <... openat resumed>) = 3 [pid 6024] write(3, "1000", 4 [pid 6023] write(1, "executing program\n", 18) = 18 [pid 6025] write(3, "1000", 4 [pid 6024] <... write resumed>) = 4 [pid 6023] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6026] write(3, "1000", 4 [pid 6025] <... write resumed>) = 4 [pid 6024] close(3 [pid 6026] <... write resumed>) = 4 [pid 6025] close(3 [pid 6024] <... close resumed>) = 0 [pid 6023] <... bpf resumed>) = 3 [pid 6026] close(3 [pid 6025] <... close resumed>) = 0 [pid 6026] <... close resumed>) = 0 executing program executing program [pid 6024] write(1, "executing program\n", 18 [pid 6026] write(1, "executing program\n", 18 [pid 6024] <... write resumed>) = 18 executing program [pid 6023] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6026] <... write resumed>) = 18 [pid 6025] write(1, "executing program\n", 18 [pid 6024] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6025] <... write resumed>) = 18 [pid 6026] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6025] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6024] <... bpf resumed>) = 3 [pid 6023] <... bpf resumed>) = 4 [pid 6026] <... bpf resumed>) = 3 [pid 6024] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6025] <... bpf resumed>) = 3 [pid 6026] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6025] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6026] <... bpf resumed>) = 4 [pid 6025] <... bpf resumed>) = 4 [pid 6024] <... bpf resumed>) = 4 [pid 6023] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5846] <... restart_syscall resumed>) = 0 [pid 6026] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6025] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6024] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6023] <... bpf resumed>) = 5 [pid 6026] <... bpf resumed>) = 5 [pid 6025] <... bpf resumed>) = 5 [pid 6024] <... bpf resumed>) = 5 [pid 6023] exit_group(0) = ? [pid 6026] exit_group(0 [pid 6025] exit_group(0 [pid 6024] exit_group(0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6027 attached [pid 6026] <... exit_group resumed>) = ? [pid 6025] <... exit_group resumed>) = ? [pid 6024] <... exit_group resumed>) = ? [pid 6023] +++ exited with 0 +++ [pid 6026] +++ exited with 0 +++ [pid 6027] set_robust_list(0x5555802da660, 24 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6023, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6026, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6027] <... set_robust_list resumed>) = 0 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6027] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6027 [pid 6027] <... prctl resumed>) = 0 [pid 6027] setpgid(0, 0) = 0 [pid 6027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6027] write(3, "1000", 4) = 4 [pid 6027] close(3) = 0 [pid 6027] write(1, "executing program\n", 18executing program ) = 18 [pid 6027] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6027] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5838] <... restart_syscall resumed>) = 0 [pid 6027] <... bpf resumed>) = 4 [pid 6025] +++ exited with 0 +++ [pid 6024] +++ exited with 0 +++ [pid 5844] <... restart_syscall resumed>) = 0 [pid 6027] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6025, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6024, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6028 attached [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6028 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6028] set_robust_list(0x5555802da660, 24./strace-static-x86_64: Process 6030 attached ./strace-static-x86_64: Process 6029 attached [pid 6029] set_robust_list(0x5555802da660, 24 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6030] set_robust_list(0x5555802da660, 24 [pid 6029] <... set_robust_list resumed>) = 0 [pid 6029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6030 [pid 6029] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 6031 attached [pid 6030] <... set_robust_list resumed>) = 0 [pid 6028] <... set_robust_list resumed>) = 0 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6029 [pid 6031] set_robust_list(0x5555802da660, 24 [pid 6030] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6028] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6031 [pid 6031] <... set_robust_list resumed>) = 0 [pid 6030] <... prctl resumed>) = 0 [pid 6029] <... openat resumed>) = 3 [pid 6028] <... prctl resumed>) = 0 [pid 6030] setpgid(0, 0) = 0 [pid 6031] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6029] write(3, "1000", 4 [pid 6028] setpgid(0, 0 [pid 6027] <... bpf resumed>) = 5 [pid 6031] <... prctl resumed>) = 0 [pid 6030] <... openat resumed>) = 3 [pid 6029] <... write resumed>) = 4 [pid 6028] <... setpgid resumed>) = 0 [pid 6027] exit_group(0 [pid 6031] setpgid(0, 0 [pid 6030] write(3, "1000", 4 [pid 6029] close(3 [pid 6028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6027] <... exit_group resumed>) = ? [pid 6031] <... setpgid resumed>) = 0 [pid 6030] <... write resumed>) = 4 [pid 6031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6030] close(3 [pid 6029] <... close resumed>) = 0 executing program [pid 6028] <... openat resumed>) = 3 [pid 6027] +++ exited with 0 +++ [pid 6031] <... openat resumed>) = 3 [pid 6030] <... close resumed>) = 0 [pid 6029] write(1, "executing program\n", 18executing program [pid 6028] write(3, "1000", 4 [pid 6031] write(3, "1000", 4 [pid 6030] write(1, "executing program\n", 18 [pid 6029] <... write resumed>) = 18 [pid 6028] <... write resumed>) = 4 [pid 6031] <... write resumed>) = 4 [pid 6030] <... write resumed>) = 18 [pid 6029] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6028] close(3 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6027, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6031] close(3 [pid 6030] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6031] <... close resumed>) = 0 [pid 5846] restart_syscall(<... resuming interrupted clone ...>executing program [pid 6031] write(1, "executing program\n", 18 [pid 6030] <... bpf resumed>) = 3 [pid 6029] <... bpf resumed>) = 3 [pid 6028] <... close resumed>) = 0 [pid 6031] <... write resumed>) = 18 [pid 6030] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6029] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6028] write(1, "executing program\n", 18 executing program [pid 6031] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6030] <... bpf resumed>) = 4 [pid 5846] <... restart_syscall resumed>) = 0 [pid 6028] <... write resumed>) = 18 [pid 6031] <... bpf resumed>) = 3 [pid 6030] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6028] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6031] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6028] <... bpf resumed>) = 3 [pid 6029] <... bpf resumed>) = 4 [pid 6028] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6031] <... bpf resumed>) = 4 [pid 6029] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6028] <... bpf resumed>) = 4 [pid 6028] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16./strace-static-x86_64: Process 6032 attached [pid 6031] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6030] <... bpf resumed>) = 5 [pid 6029] <... bpf resumed>) = 5 [pid 6032] set_robust_list(0x5555802da660, 24 [pid 6031] <... bpf resumed>) = 5 [pid 6030] exit_group(0 [pid 6029] exit_group(0 [pid 6028] <... bpf resumed>) = 5 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6032 [pid 6032] <... set_robust_list resumed>) = 0 [pid 6031] exit_group(0 [pid 6030] <... exit_group resumed>) = ? [pid 6029] <... exit_group resumed>) = ? [pid 6028] exit_group(0 [pid 6032] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6031] <... exit_group resumed>) = ? [pid 6030] +++ exited with 0 +++ [pid 6032] <... prctl resumed>) = 0 [pid 6032] setpgid(0, 0 [pid 6028] <... exit_group resumed>) = ? [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6030, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6032] <... setpgid resumed>) = 0 [pid 6029] +++ exited with 0 +++ [pid 6032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6029, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6032] <... openat resumed>) = 3 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 6032] write(3, "1000", 4) = 4 [pid 6032] close(3) = 0 [pid 6032] write(1, "executing program\n", 18executing program ) = 18 [pid 6032] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6032] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 6032] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6033 attached [pid 6031] +++ exited with 0 +++ [pid 6028] +++ exited with 0 +++ [pid 6033] set_robust_list(0x5555802da660, 24 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6031, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6033] <... set_robust_list resumed>) = 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6028, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6033] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6033 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6033] <... prctl resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6033] setpgid(0, 0./strace-static-x86_64: Process 6034 attached ) = 0 [pid 6033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6035 attached [pid 6034] set_robust_list(0x5555802da660, 24 [pid 6035] set_robust_list(0x5555802da660, 24 [pid 6034] <... set_robust_list resumed>) = 0 [pid 6033] <... openat resumed>) = 3 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6035 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6034 [pid 6034] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6035] <... set_robust_list resumed>) = 0 [pid 6034] <... prctl resumed>) = 0 [pid 6033] write(3, "1000", 4 [pid 6035] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6034] setpgid(0, 0 [pid 6033] <... write resumed>) = 4 [pid 6035] <... prctl resumed>) = 0 [pid 6034] <... setpgid resumed>) = 0 [pid 6033] close(3 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6035] setpgid(0, 0 [pid 6034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6033] <... close resumed>) = 0 ./strace-static-x86_64: Process 6036 attached [pid 6035] <... setpgid resumed>) = 0 [pid 6034] <... openat resumed>) = 3 [pid 6033] write(1, "executing program\n", 18executing program [pid 6036] set_robust_list(0x5555802da660, 24 [pid 6035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6034] write(3, "1000", 4 [pid 6033] <... write resumed>) = 18 [pid 6032] <... bpf resumed>) = 5 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6036 [pid 6036] <... set_robust_list resumed>) = 0 [pid 6035] <... openat resumed>) = 3 [pid 6034] <... write resumed>) = 4 [pid 6033] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6035] write(3, "1000", 4 [pid 6034] close(3 [pid 6033] <... bpf resumed>) = 3 [pid 6036] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6035] <... write resumed>) = 4 [pid 6034] <... close resumed>) = 0 [pid 6033] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6036] <... prctl resumed>) = 0 executing program executing program [pid 6035] close(3 [pid 6034] write(1, "executing program\n", 18 [pid 6033] <... bpf resumed>) = 4 [pid 6032] exit_group(0 [pid 6036] setpgid(0, 0 [pid 6035] <... close resumed>) = 0 [pid 6034] <... write resumed>) = 18 [pid 6033] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6036] <... setpgid resumed>) = 0 [pid 6035] write(1, "executing program\n", 18 [pid 6034] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6032] <... exit_group resumed>) = ? [pid 6033] <... bpf resumed>) = 5 [pid 6036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6035] <... write resumed>) = 18 [pid 6034] <... bpf resumed>) = 3 [pid 6035] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6036] <... openat resumed>) = 3 [pid 6033] exit_group(0 [pid 6036] write(3, "1000", 4 [pid 6033] <... exit_group resumed>) = ? [pid 6035] <... bpf resumed>) = 3 [pid 6034] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6036] <... write resumed>) = 4 [pid 6035] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6034] <... bpf resumed>) = 4 [pid 6036] close(3 [pid 6034] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6036] <... close resumed>) = 0 [pid 6035] <... bpf resumed>) = 4 [pid 6033] +++ exited with 0 +++ [pid 6032] +++ exited with 0 +++ executing program [pid 6036] write(1, "executing program\n", 18) = 18 [pid 6035] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6032, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6033, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6036] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6037 attached [pid 6036] <... bpf resumed>) = 3 [pid 6035] <... bpf resumed>) = 5 [pid 6034] <... bpf resumed>) = 5 [pid 6036] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6035] exit_group(0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6034] exit_group(0./strace-static-x86_64: Process 6038 attached [pid 6037] set_robust_list(0x5555802da660, 24 [pid 6035] <... exit_group resumed>) = ? [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6037 [pid 6034] <... exit_group resumed>) = ? [pid 6038] set_robust_list(0x5555802da660, 24 [pid 6037] <... set_robust_list resumed>) = 0 [pid 6038] <... set_robust_list resumed>) = 0 [pid 6036] <... bpf resumed>) = 4 [pid 6037] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6038] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6036] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6038] <... prctl resumed>) = 0 [pid 6037] <... prctl resumed>) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6038 [pid 6038] setpgid(0, 0 [pid 6037] setpgid(0, 0 [pid 6038] <... setpgid resumed>) = 0 [pid 6037] <... setpgid resumed>) = 0 [pid 6038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6038] <... openat resumed>) = 3 [pid 6038] write(3, "1000", 4 [pid 6037] <... openat resumed>) = 3 executing program executing program [pid 6037] write(3, "1000", 4 [pid 6038] <... write resumed>) = 4 [pid 6037] <... write resumed>) = 4 [pid 6038] close(3 [pid 6037] close(3 [pid 6038] <... close resumed>) = 0 [pid 6037] <... close resumed>) = 0 [pid 6038] write(1, "executing program\n", 18 [pid 6037] write(1, "executing program\n", 18 [pid 6038] <... write resumed>) = 18 [pid 6037] <... write resumed>) = 18 [pid 6038] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6037] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6038] <... bpf resumed>) = 3 [pid 6038] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6037] <... bpf resumed>) = 3 [pid 6038] <... bpf resumed>) = 4 [pid 6037] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6038] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6037] <... bpf resumed>) = 4 [pid 6037] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6036] <... bpf resumed>) = 5 [pid 6034] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6034, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6036] exit_group(0 [pid 5840] <... restart_syscall resumed>) = 0 [pid 6036] <... exit_group resumed>) = ? [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6039 attached , child_tidptr=0x5555802da650) = 6039 [pid 6039] set_robust_list(0x5555802da660, 24 [pid 6038] <... bpf resumed>) = 5 [pid 6037] <... bpf resumed>) = 5 [pid 6036] +++ exited with 0 +++ [pid 6035] +++ exited with 0 +++ [pid 6039] <... set_robust_list resumed>) = 0 [pid 6038] exit_group(0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6035, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6039] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6038] <... exit_group resumed>) = ? [pid 6037] exit_group(0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6036, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6039] <... prctl resumed>) = 0 [pid 6037] <... exit_group resumed>) = ? [pid 6039] setpgid(0, 0) = 0 [pid 6039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6040 attached [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6039] write(3, "1000", 4 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6040 ./strace-static-x86_64: Process 6041 attached [pid 6039] <... write resumed>) = 4 [pid 6040] set_robust_list(0x5555802da660, 24 [pid 6039] close(3 [pid 6041] set_robust_list(0x5555802da660, 24 [pid 6040] <... set_robust_list resumed>) = 0 [pid 6039] <... close resumed>) = 0 [pid 6041] <... set_robust_list resumed>) = 0 executing program [pid 6040] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6039] write(1, "executing program\n", 18 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6041 [pid 6041] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6040] <... prctl resumed>) = 0 [pid 6039] <... write resumed>) = 18 [pid 6041] <... prctl resumed>) = 0 [pid 6040] setpgid(0, 0 [pid 6039] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6041] setpgid(0, 0 [pid 6040] <... setpgid resumed>) = 0 [pid 6041] <... setpgid resumed>) = 0 [pid 6039] <... bpf resumed>) = 3 [pid 6040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6040] <... openat resumed>) = 3 [pid 6039] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6040] write(3, "1000", 4 [pid 6041] write(3, "1000", 4) = 4 [pid 6041] close(3) = 0 executing program [pid 6041] write(1, "executing program\n", 18) = 18 [pid 6041] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6039] <... bpf resumed>) = 4 [pid 6041] <... bpf resumed>) = 3 [pid 6040] <... write resumed>) = 4 [pid 6039] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6040] close(3) = 0 [pid 6040] write(1, "executing program\n", 18executing program [pid 6041] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6040] <... write resumed>) = 18 [pid 6040] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6038] +++ exited with 0 +++ [pid 6040] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6041] <... bpf resumed>) = 4 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6038, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6041] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6037] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6037, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6040] <... bpf resumed>) = 4 [pid 6040] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6042 attached [pid 6042] set_robust_list(0x5555802da660, 24./strace-static-x86_64: Process 6043 attached [pid 6041] <... bpf resumed>) = 5 [pid 6040] <... bpf resumed>) = 5 [pid 6039] <... bpf resumed>) = 5 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6042 [pid 6043] set_robust_list(0x5555802da660, 24 [pid 6042] <... set_robust_list resumed>) = 0 [pid 6039] exit_group(0 [pid 6043] <... set_robust_list resumed>) = 0 [pid 6042] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6039] <... exit_group resumed>) = ? [pid 6043] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6042] <... prctl resumed>) = 0 [pid 6041] exit_group(0 [pid 6040] exit_group(0 [pid 6039] +++ exited with 0 +++ [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6043 [pid 6043] <... prctl resumed>) = 0 [pid 6042] setpgid(0, 0 [pid 6041] <... exit_group resumed>) = ? [pid 6040] <... exit_group resumed>) = ? [pid 6043] setpgid(0, 0) = 0 [pid 6042] <... setpgid resumed>) = 0 [pid 6043] 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 6043] <... openat resumed>) = 3 [pid 6042] <... openat resumed>) = 3 [pid 6043] write(3, "1000", 4) = 4 [pid 6040] +++ exited with 0 +++ [pid 6042] write(3, "1000", 4 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6039, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6043] close(3 [pid 6042] <... write resumed>) = 4 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6040, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6043] <... close resumed>) = 0 [pid 6042] close(3executing program executing program [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6043] write(1, "executing program\n", 18 [pid 6042] <... close resumed>) = 0 [pid 6043] <... write resumed>) = 18 [pid 6043] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6042] write(1, "executing program\n", 18./strace-static-x86_64: Process 6044 attached [pid 6043] <... bpf resumed>) = 3 [pid 6042] <... write resumed>) = 18 [pid 6044] set_robust_list(0x5555802da660, 24) = 0 [pid 6044] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6043] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6042] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6041] +++ exited with 0 +++ [pid 5842] <... restart_syscall resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6044 [pid 6044] <... prctl resumed>) = 0 [pid 6042] <... bpf resumed>) = 3 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6044] setpgid(0, 0 [pid 6043] <... bpf resumed>) = 4 [pid 6042] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6041, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6045 attached [pid 6044] <... setpgid resumed>) = 0 [pid 6043] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6045 [pid 6045] set_robust_list(0x5555802da660, 24 [pid 6044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6045] <... set_robust_list resumed>) = 0 [pid 6044] <... openat resumed>) = 3 [pid 6043] <... bpf resumed>) = 5 [pid 6045] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6043] exit_group(0 [pid 6045] <... prctl resumed>) = 0 [pid 6045] setpgid(0, 0 [pid 6044] write(3, "1000", 4 [pid 6043] <... exit_group resumed>) = ? [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6045] <... setpgid resumed>) = 0 [pid 6044] <... write resumed>) = 4 executing program [pid 6042] <... bpf resumed>) = 4 [pid 6044] close(3) = 0 [pid 6044] write(1, "executing program\n", 18) = 18 ./strace-static-x86_64: Process 6046 attached [pid 6043] +++ exited with 0 +++ [pid 6046] set_robust_list(0x5555802da660, 24 [pid 6045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6044] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6042] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6043, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6046] <... set_robust_list resumed>) = 0 [pid 6045] <... openat resumed>) = 3 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 6046] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6045] write(3, "1000", 4 [pid 6044] <... bpf resumed>) = 3 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6046 [pid 6046] <... prctl resumed>) = 0 [pid 6045] <... write resumed>) = 4 [pid 6044] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6046] setpgid(0, 0 [pid 6045] close(3 [pid 6046] <... setpgid resumed>) = 0 [pid 6045] <... close resumed>) = 0 [pid 6044] <... bpf resumed>) = 4 executing program [pid 6046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6045] write(1, "executing program\n", 18 [pid 6046] <... openat resumed>) = 3 [pid 6044] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6045] <... write resumed>) = 18 [pid 6046] write(3, "1000", 4 [pid 5844] <... restart_syscall resumed>) = 0 [pid 6046] <... write resumed>) = 4 [pid 6045] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6044] <... bpf resumed>) = 5 [pid 6042] <... bpf resumed>) = 5 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6046] close(3 [pid 6045] <... bpf resumed>) = 3 [pid 6044] exit_group(0 [pid 6042] exit_group(0./strace-static-x86_64: Process 6047 attached [pid 6046] <... close resumed>) = 0 [pid 6045] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6044] <... exit_group resumed>) = ? executing program [pid 6042] <... exit_group resumed>) = ? [pid 6047] set_robust_list(0x5555802da660, 24 [pid 6046] write(1, "executing program\n", 18 [pid 6045] <... bpf resumed>) = 4 [pid 6044] +++ exited with 0 +++ [pid 6046] <... write resumed>) = 18 [pid 6046] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6044, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6046] <... bpf resumed>) = 3 [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6046] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6047] <... set_robust_list resumed>) = 0 [pid 6046] <... bpf resumed>) = 4 [pid 6042] +++ exited with 0 +++ [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6047 [pid 6045] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6047] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6047] setpgid(0, 0 [pid 6046] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6047] <... setpgid resumed>) = 0 [pid 6045] <... bpf resumed>) = 5 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6042, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] <... restart_syscall resumed>) = 0 [pid 6047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6046] <... bpf resumed>) = 5 [pid 6045] exit_group(0 [pid 6047] <... openat resumed>) = 3 [pid 6045] <... exit_group resumed>) = ? [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6047] write(3, "1000", 4 [pid 6046] exit_group(0 [pid 6047] <... write resumed>) = 4 [pid 6046] <... exit_group resumed>) = ? [pid 5846] <... restart_syscall resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6047] close(3./strace-static-x86_64: Process 6048 attached ) = 0 [pid 6048] set_robust_list(0x5555802da660, 24 [pid 6047] write(1, "executing program\n", 18executing program [pid 6048] <... set_robust_list resumed>) = 0 [pid 6047] <... write resumed>) = 18 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6048] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6047] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6048 ./strace-static-x86_64: Process 6049 attached [pid 6048] <... prctl resumed>) = 0 [pid 6047] <... bpf resumed>) = 3 [pid 6049] set_robust_list(0x5555802da660, 24 [pid 6048] setpgid(0, 0 [pid 6047] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6049 [pid 6049] <... set_robust_list resumed>) = 0 [pid 6048] <... setpgid resumed>) = 0 [pid 6048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6049] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6048] <... openat resumed>) = 3 [pid 6049] <... prctl resumed>) = 0 [pid 6047] <... bpf resumed>) = 4 [pid 6046] +++ exited with 0 +++ [pid 6045] +++ exited with 0 +++ [pid 6049] setpgid(0, 0 [pid 6048] write(3, "1000", 4 [pid 6047] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6045, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6046, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6049] <... setpgid resumed>) = 0 [pid 6048] <... write resumed>) = 4 [pid 6049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6048] close(3 [pid 6049] <... openat resumed>) = 3 [pid 6048] <... close resumed>) = 0 executing program [pid 6049] write(3, "1000", 4 [pid 6048] write(1, "executing program\n", 18 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6049] <... write resumed>) = 4 [pid 6048] <... write resumed>) = 18 [pid 6048] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 6050 attached executing program ./strace-static-x86_64: Process 6051 attached [pid 6049] close(3 [pid 6048] <... bpf resumed>) = 3 [pid 6049] <... close resumed>) = 0 [pid 6048] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6051] set_robust_list(0x5555802da660, 24 [pid 6050] set_robust_list(0x5555802da660, 24 [pid 6049] write(1, "executing program\n", 18 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6050 [pid 6051] <... set_robust_list resumed>) = 0 [pid 6050] <... set_robust_list resumed>) = 0 [pid 6049] <... write resumed>) = 18 [pid 6049] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6051 [pid 6051] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6051] setpgid(0, 0 [pid 6050] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6049] <... bpf resumed>) = 3 [pid 6048] <... bpf resumed>) = 4 [pid 6050] <... prctl resumed>) = 0 [pid 6049] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6050] setpgid(0, 0 [pid 6048] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6050] <... setpgid resumed>) = 0 [pid 6051] <... setpgid resumed>) = 0 [pid 6050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6047] <... bpf resumed>) = 5 [pid 6051] <... openat resumed>) = 3 [pid 6050] <... openat resumed>) = 3 [pid 6049] <... bpf resumed>) = 4 [pid 6048] <... bpf resumed>) = 5 [pid 6047] exit_group(0 [pid 6051] write(3, "1000", 4 [pid 6050] write(3, "1000", 4 [pid 6049] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6048] exit_group(0 [pid 6047] <... exit_group resumed>) = ? [pid 6051] <... write resumed>) = 4 [pid 6050] <... write resumed>) = 4 [pid 6049] <... bpf resumed>) = 5 [pid 6048] <... exit_group resumed>) = ? [pid 6050] close(3 [pid 6051] close(3 [pid 6049] exit_group(0 [pid 6048] +++ exited with 0 +++ [pid 6050] <... close resumed>) = 0 [pid 6049] <... exit_group resumed>) = ? [pid 6050] write(1, "executing program\n", 18 [pid 6051] <... close resumed>) = 0 executing program [pid 6051] write(1, "executing program\n", 18 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6048, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 6051] <... write resumed>) = 18 [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6051] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6050] <... write resumed>) = 18 [pid 6051] <... bpf resumed>) = 3 [pid 6051] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6050] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6051] <... bpf resumed>) = 4 [pid 6050] <... bpf resumed>) = 3 [pid 6050] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6051] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6050] <... bpf resumed>) = 4 [pid 6047] +++ exited with 0 +++ [pid 5840] <... restart_syscall resumed>) = 0 [pid 6050] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6049] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6047, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6049, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6052 attached [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6052 ./strace-static-x86_64: Process 6054 attached ./strace-static-x86_64: Process 6053 attached [pid 6052] set_robust_list(0x5555802da660, 24 [pid 6054] set_robust_list(0x5555802da660, 24 [pid 6053] set_robust_list(0x5555802da660, 24 [pid 6052] <... set_robust_list resumed>) = 0 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6053 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6054 [pid 6054] <... set_robust_list resumed>) = 0 [pid 6053] <... set_robust_list resumed>) = 0 [pid 6052] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6054] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6053] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6054] <... prctl resumed>) = 0 [pid 6052] <... prctl resumed>) = 0 [pid 6051] <... bpf resumed>) = 5 [pid 6050] <... bpf resumed>) = 5 [pid 6054] setpgid(0, 0 [pid 6053] <... prctl resumed>) = 0 [pid 6052] setpgid(0, 0 [pid 6051] exit_group(0 [pid 6050] exit_group(0 [pid 6054] <... setpgid resumed>) = 0 [pid 6053] setpgid(0, 0 [pid 6052] <... setpgid resumed>) = 0 [pid 6051] <... exit_group resumed>) = ? [pid 6054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6053] <... setpgid resumed>) = 0 [pid 6052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6050] <... exit_group resumed>) = ? [pid 6053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6052] <... openat resumed>) = 3 [pid 6054] <... openat resumed>) = 3 [pid 6053] <... openat resumed>) = 3 [pid 6052] write(3, "1000", 4 [pid 6054] write(3, "1000", 4 [pid 6053] write(3, "1000", 4 [pid 6052] <... write resumed>) = 4 [pid 6054] <... write resumed>) = 4 [pid 6053] <... write resumed>) = 4 [pid 6052] close(3 [pid 6054] close(3 [pid 6053] close(3 [pid 6052] <... close resumed>) = 0 [pid 6054] <... close resumed>) = 0 [pid 6053] <... close resumed>) = 0 executing program executing program [pid 6052] write(1, "executing program\n", 18 [pid 6054] write(1, "executing program\n", 18) = 18 [pid 6053] write(1, "executing program\n", 18executing program [pid 6052] <... write resumed>) = 18 [pid 6054] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6053] <... write resumed>) = 18 [pid 6052] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6054] <... bpf resumed>) = 3 [pid 6053] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6052] <... bpf resumed>) = 3 [pid 6054] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6053] <... bpf resumed>) = 3 [pid 6052] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6054] <... bpf resumed>) = 4 [pid 6053] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6052] <... bpf resumed>) = 4 [pid 6053] <... bpf resumed>) = 4 [pid 6054] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6052] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6053] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6051] +++ exited with 0 +++ [pid 6050] +++ exited with 0 +++ [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6050, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6051, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5842] <... restart_syscall resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 6054] <... bpf resumed>) = 5 [pid 6053] <... bpf resumed>) = 5 [pid 6052] <... bpf resumed>) = 5 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6055 attached [pid 6054] exit_group(0 [pid 6053] exit_group(0 [pid 6052] exit_group(0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6055] set_robust_list(0x5555802da660, 24 [pid 6054] <... exit_group resumed>) = ? [pid 6053] <... exit_group resumed>) = ? [pid 6052] <... exit_group resumed>) = ? [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6055 ./strace-static-x86_64: Process 6056 attached [pid 6055] <... set_robust_list resumed>) = 0 [pid 6053] +++ exited with 0 +++ [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6056 [pid 6056] set_robust_list(0x5555802da660, 24 [pid 6055] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6056] <... set_robust_list resumed>) = 0 [pid 6055] <... prctl resumed>) = 0 [pid 6056] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6055] setpgid(0, 0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6053, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6056] <... prctl resumed>) = 0 [pid 6055] <... setpgid resumed>) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6056] setpgid(0, 0 [pid 6055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 6057 attached [pid 6056] <... setpgid resumed>) = 0 [pid 6057] set_robust_list(0x5555802da660, 24 [pid 6056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6055] write(3, "1000", 4 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6057 [pid 6057] <... set_robust_list resumed>) = 0 [pid 6056] <... openat resumed>) = 3 [pid 6055] <... write resumed>) = 4 [pid 6054] +++ exited with 0 +++ [pid 6057] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6056] write(3, "1000", 4 [pid 6055] close(3 [pid 6057] <... prctl resumed>) = 0 [pid 6056] <... write resumed>) = 4 [pid 6055] <... close resumed>) = 0 [pid 6052] +++ exited with 0 +++ [pid 6057] setpgid(0, 0 [pid 6056] close(3 [pid 6055] write(1, "executing program\n", 18 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6052, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6054, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6057] <... setpgid resumed>) = 0 [pid 6056] <... close resumed>) = 0 [pid 6055] <... write resumed>) = 18 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6056] write(1, "executing program\n", 18 executing program [pid 6055] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6057] <... openat resumed>) = 3 [pid 6056] <... write resumed>) = 18 [pid 6055] <... bpf resumed>) = 3 [pid 6056] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6057] write(3, "1000", 4 [pid 6056] <... bpf resumed>) = 3 [pid 6055] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6057] <... write resumed>) = 4 [pid 6056] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6055] <... bpf resumed>) = 4 [pid 6057] close(3 [pid 6056] <... bpf resumed>) = 4 [pid 6057] <... close resumed>) = 0 [pid 6057] write(1, "executing program\n", 18executing program ) = 18 [pid 6057] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6057] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 6056] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6055] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6057] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6056] <... bpf resumed>) = 5 [pid 6055] <... bpf resumed>) = 5 [pid 5846] <... restart_syscall resumed>) = 0 [pid 6057] <... bpf resumed>) = 5 [pid 6055] exit_group(0 [pid 6057] exit_group(0 [pid 6056] exit_group(0 [pid 6055] <... exit_group resumed>) = ? [pid 6057] <... exit_group resumed>) = ? [pid 6056] <... exit_group resumed>) = ? [pid 6055] +++ exited with 0 +++ [pid 6057] +++ exited with 0 +++ [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6055, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6058 attached [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6057, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6056] +++ exited with 0 +++ [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6058] set_robust_list(0x5555802da660, 24 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6056, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6058] <... set_robust_list resumed>) = 0 [pid 6058] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6059 attached [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6058 [pid 6059] set_robust_list(0x5555802da660, 24 [pid 6058] <... prctl resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6059 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6059] <... set_robust_list resumed>) = 0 [pid 6058] setpgid(0, 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6060 attached [pid 6059] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6058] <... setpgid resumed>) = 0 [pid 6059] <... prctl resumed>) = 0 [pid 6058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6060] set_robust_list(0x5555802da660, 24 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6060 ./strace-static-x86_64: Process 6061 attached [pid 6060] <... set_robust_list resumed>) = 0 [pid 6059] setpgid(0, 0 [pid 6061] set_robust_list(0x5555802da660, 24 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6061 [pid 6061] <... set_robust_list resumed>) = 0 [pid 6061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6060] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6059] <... setpgid resumed>) = 0 [pid 6058] <... openat resumed>) = 3 [pid 6060] <... prctl resumed>) = 0 [pid 6058] write(3, "1000", 4 [pid 6060] setpgid(0, 0 [pid 6058] <... write resumed>) = 4 [pid 6060] <... setpgid resumed>) = 0 [pid 6058] close(3 [pid 6061] setpgid(0, 0 [pid 6060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6058] <... close resumed>) = 0 [pid 6061] <... setpgid resumed>) = 0 [pid 6059] <... openat resumed>) = 3 [pid 6061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6062 attached [pid 6061] <... openat resumed>) = 3 [pid 6060] <... openat resumed>) = 3 [pid 6059] write(3, "1000", 4executing program [pid 6058] write(1, "executing program\n", 18 [pid 6061] write(3, "1000", 4 [pid 6059] <... write resumed>) = 4 [pid 6058] <... write resumed>) = 18 [pid 6062] set_robust_list(0x5555802da660, 24 [pid 6060] write(3, "1000", 4 [pid 6061] <... write resumed>) = 4 [pid 6061] close(3 [pid 6059] close(3 [pid 6062] <... set_robust_list resumed>) = 0 [pid 6061] <... close resumed>) = 0 [pid 6060] <... write resumed>) = 4 [pid 6059] <... close resumed>) = 0 executing program executing program [pid 6058] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6062] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6061] write(1, "executing program\n", 18 [pid 6060] close(3 [pid 6059] write(1, "executing program\n", 18 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6062 [pid 6062] <... prctl resumed>) = 0 [pid 6061] <... write resumed>) = 18 [pid 6060] <... close resumed>) = 0 [pid 6059] <... write resumed>) = 18 [pid 6062] setpgid(0, 0 [pid 6061] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6060] write(1, "executing program\n", 18 executing program [pid 6059] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6062] <... setpgid resumed>) = 0 [pid 6061] <... bpf resumed>) = 3 [pid 6060] <... write resumed>) = 18 [pid 6059] <... bpf resumed>) = 3 [pid 6058] <... bpf resumed>) = 3 [pid 6061] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6059] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6061] <... bpf resumed>) = 4 [pid 6060] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6059] <... bpf resumed>) = 4 [pid 6058] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6060] <... bpf resumed>) = 3 [pid 6061] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16) = 5 [pid 6059] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6061] exit_group(0 [pid 6059] <... bpf resumed>) = 5 [pid 6061] <... exit_group resumed>) = ? [pid 6058] <... bpf resumed>) = 4 [pid 6062] <... openat resumed>) = 3 [pid 6060] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6059] exit_group(0 [pid 6058] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6062] write(3, "1000", 4) = 4 [pid 6062] close(3) = 0 [pid 6059] <... exit_group resumed>) = ? [pid 6062] write(1, "executing program\n", 18executing program [pid 6060] <... bpf resumed>) = 4 [pid 6062] <... write resumed>) = 18 [pid 6060] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6062] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6062] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 6061] +++ exited with 0 +++ [pid 6058] <... bpf resumed>) = 5 [pid 6062] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6058] exit_group(0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6061, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6058] <... exit_group resumed>) = ? [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6063 attached [pid 6062] <... bpf resumed>) = 5 [pid 6060] <... bpf resumed>) = 5 [pid 6059] +++ exited with 0 +++ [pid 6058] +++ exited with 0 +++ [pid 6063] set_robust_list(0x5555802da660, 24 [pid 6060] exit_group(0 [pid 6063] <... set_robust_list resumed>) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6059, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6062] exit_group(0) = ? [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6058, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6063] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6060] <... exit_group resumed>) = ? [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6063 [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6063] <... prctl resumed>) = 0 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6063] setpgid(0, 0 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5840] <... restart_syscall resumed>) = 0 [pid 6063] <... setpgid resumed>) = 0 [pid 6063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6063] write(3, "1000", 4./strace-static-x86_64: Process 6064 attached [pid 6062] +++ exited with 0 +++ [pid 6060] +++ exited with 0 +++ [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6065 attached [pid 6064] set_robust_list(0x5555802da660, 24 [pid 6063] <... write resumed>) = 4 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6062, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6064 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6060, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6063] close(3 [pid 6065] set_robust_list(0x5555802da660, 24 [pid 6064] <... set_robust_list resumed>) = 0 [pid 6065] <... set_robust_list resumed>) = 0 [pid 6064] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6063] <... close resumed>) = 0 [pid 6064] <... prctl resumed>) = 0 executing program [pid 6065] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6063] write(1, "executing program\n", 18 [pid 6064] setpgid(0, 0 [pid 6063] <... write resumed>) = 18 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6065 [pid 6064] <... setpgid resumed>) = 0 [pid 6063] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6065] <... prctl resumed>) = 0 [pid 6064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6063] <... bpf resumed>) = 3 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6066 attached [pid 6065] setpgid(0, 0 [pid 6064] <... openat resumed>) = 3 [pid 6063] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144./strace-static-x86_64: Process 6067 attached [pid 6066] set_robust_list(0x5555802da660, 24 [pid 6065] <... setpgid resumed>) = 0 [pid 6064] write(3, "1000", 4 [pid 6063] <... bpf resumed>) = 4 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6066 [pid 6067] set_robust_list(0x5555802da660, 24 [pid 6066] <... set_robust_list resumed>) = 0 [pid 6065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6064] <... write resumed>) = 4 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6067 [pid 6067] <... set_robust_list resumed>) = 0 [pid 6064] close(3 [pid 6066] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6065] <... openat resumed>) = 3 [pid 6063] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6064] <... close resumed>) = 0 [pid 6067] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6066] <... prctl resumed>) = 0 [pid 6065] write(3, "1000", 4 [pid 6063] <... bpf resumed>) = 5 [pid 6064] write(1, "executing program\n", 18executing program [pid 6067] <... prctl resumed>) = 0 [pid 6066] setpgid(0, 0 [pid 6065] <... write resumed>) = 4 [pid 6064] <... write resumed>) = 18 [pid 6067] setpgid(0, 0 [pid 6063] exit_group(0 [pid 6064] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6067] <... setpgid resumed>) = 0 [pid 6066] <... setpgid resumed>) = 0 [pid 6065] close(3 [pid 6063] <... exit_group resumed>) = ? [pid 6067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6065] <... close resumed>) = 0 [pid 6064] <... bpf resumed>) = 3 [pid 6063] +++ exited with 0 +++ [pid 6067] <... openat resumed>) = 3 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6063, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 6067] write(3, "1000", 4) = 4 [pid 6066] <... openat resumed>) = 3 [pid 6065] write(1, "executing program\n", 18 [pid 6064] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5842] <... restart_syscall resumed>) = 0 executing program [pid 6067] close(3 [pid 6066] write(3, "1000", 4 [pid 6065] <... write resumed>) = 18 executing program [pid 6067] <... close resumed>) = 0 [pid 6066] <... write resumed>) = 4 [pid 6065] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6067] write(1, "executing program\n", 18 [pid 6066] close(3 [pid 6065] <... bpf resumed>) = 3 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6068 attached [pid 6067] <... write resumed>) = 18 [pid 6066] <... close resumed>) = 0 [pid 6065] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6064] <... bpf resumed>) = 4 [pid 6068] set_robust_list(0x5555802da660, 24 [pid 6067] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 executing program [pid 6066] write(1, "executing program\n", 18 [pid 6065] <... bpf resumed>) = 4 [pid 6064] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6068] <... set_robust_list resumed>) = 0 [pid 6068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6067] <... bpf resumed>) = 3 [pid 6066] <... write resumed>) = 18 [pid 6065] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6068] <... prctl resumed>) = 0 [pid 6068] setpgid(0, 0 [pid 6067] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6066] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6068 [pid 6068] <... setpgid resumed>) = 0 [pid 6065] <... bpf resumed>) = 5 [pid 6064] <... bpf resumed>) = 5 [pid 6068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6067] <... bpf resumed>) = 4 [pid 6066] <... bpf resumed>) = 3 [pid 6068] <... openat resumed>) = 3 [pid 6067] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6065] exit_group(0 [pid 6064] exit_group(0 [pid 6067] <... bpf resumed>) = 5 [pid 6066] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6065] <... exit_group resumed>) = ? [pid 6064] <... exit_group resumed>) = ? [pid 6068] write(3, "1000", 4 [pid 6067] exit_group(0 [pid 6066] <... bpf resumed>) = 4 [pid 6065] +++ exited with 0 +++ [pid 6068] <... write resumed>) = 4 [pid 6068] close(3 [pid 6067] <... exit_group resumed>) = ? [pid 6068] <... close resumed>) = 0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6065, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6068] write(1, "executing program\n", 18executing program [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6068] <... write resumed>) = 18 [pid 6066] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6068] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6068] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 6068] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6069 attached [pid 6069] set_robust_list(0x5555802da660, 24) = 0 [pid 6067] +++ exited with 0 +++ [pid 6064] +++ exited with 0 +++ [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6069 [pid 6069] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6064, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6069] <... prctl resumed>) = 0 [pid 6069] setpgid(0, 0) = 0 [pid 6069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6067, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6070 attached [pid 6070] set_robust_list(0x5555802da660, 24 [pid 6069] <... openat resumed>) = 3 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6070] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6071 attached [pid 6069] write(3, "1000", 4 [pid 6070] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6069] <... write resumed>) = 4 [pid 6069] close(3 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6070 [pid 6069] <... close resumed>) = 0 [pid 6069] write(1, "executing program\n", 18executing program [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6071 [pid 6069] <... write resumed>) = 18 [pid 6069] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6071] set_robust_list(0x5555802da660, 24 [pid 6070] <... prctl resumed>) = 0 [pid 6069] <... bpf resumed>) = 3 [pid 6071] <... set_robust_list resumed>) = 0 [pid 6069] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6071] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6070] setpgid(0, 0 [pid 6071] <... prctl resumed>) = 0 [pid 6070] <... setpgid resumed>) = 0 [pid 6069] <... bpf resumed>) = 4 [pid 6071] setpgid(0, 0 [pid 6069] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6071] <... setpgid resumed>) = 0 [pid 6070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6068] <... bpf resumed>) = 5 [pid 6066] <... bpf resumed>) = 5 [pid 6071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6069] <... bpf resumed>) = 5 [pid 6068] exit_group(0 [pid 6069] exit_group(0 [pid 6068] <... exit_group resumed>) = ? [pid 6066] exit_group(0 [pid 6071] <... openat resumed>) = 3 [pid 6070] <... openat resumed>) = 3 [pid 6066] <... exit_group resumed>) = ? [pid 6071] write(3, "1000", 4) = 4 [pid 6070] write(3, "1000", 4 [pid 6069] <... exit_group resumed>) = ? [pid 6071] close(3 [pid 6070] <... write resumed>) = 4 [pid 6066] +++ exited with 0 +++ [pid 6071] <... close resumed>) = 0 [pid 6070] close(3executing program [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6066, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6071] write(1, "executing program\n", 18 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6071] <... write resumed>) = 18 [pid 6070] <... close resumed>) = 0 [pid 6071] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program [pid 6070] write(1, "executing program\n", 18 [pid 6071] <... bpf resumed>) = 3 [pid 6070] <... write resumed>) = 18 [pid 6071] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6070] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6071] <... bpf resumed>) = 4 [pid 6070] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6069] +++ exited with 0 +++ [pid 6071] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6068] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6069, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6070] <... bpf resumed>) = 4 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6068, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6070] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5846] <... restart_syscall resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5842] <... restart_syscall resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6072 attached [pid 6071] <... bpf resumed>) = 5 [pid 6070] <... bpf resumed>) = 5 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6073 attached ./strace-static-x86_64: Process 6074 attached [pid 6072] set_robust_list(0x5555802da660, 24 [pid 6071] exit_group(0 [pid 6070] exit_group(0 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6072 [pid 6072] <... set_robust_list resumed>) = 0 [pid 6073] set_robust_list(0x5555802da660, 24 [pid 6074] set_robust_list(0x5555802da660, 24 [pid 6073] <... set_robust_list resumed>) = 0 [pid 6072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6071] <... exit_group resumed>) = ? [pid 6070] <... exit_group resumed>) = ? [pid 6074] <... set_robust_list resumed>) = 0 [pid 6073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6072] <... prctl resumed>) = 0 [pid 6070] +++ exited with 0 +++ [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6073 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6074 [pid 6072] setpgid(0, 0) = 0 [pid 6072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6073] <... prctl resumed>) = 0 [pid 6072] <... openat resumed>) = 3 [pid 6074] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6072] write(3, "1000", 4 [pid 6074] <... prctl resumed>) = 0 [pid 6073] setpgid(0, 0 [pid 6071] +++ exited with 0 +++ [pid 5840] --- 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] setpgid(0, 0 [pid 6073] <... setpgid resumed>) = 0 [pid 6072] <... write resumed>) = 4 [pid 5844] --- 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 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6074] <... setpgid resumed>) = 0 [pid 6072] close(3 [pid 5840] <... restart_syscall resumed>) = 0 [pid 6074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6072] <... close resumed>) = 0 [pid 6074] <... openat resumed>) = 3 [pid 6073] <... openat resumed>) = 3 [pid 6072] write(1, "executing program\n", 18executing program [pid 6074] write(3, "1000", 4 [pid 6072] <... write resumed>) = 18 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6074] <... write resumed>) = 4 [pid 6073] write(3, "1000", 4 [pid 6072] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6074] close(3./strace-static-x86_64: Process 6076 attached ./strace-static-x86_64: Process 6075 attached ) = 0 [pid 6073] <... write resumed>) = 4 [pid 6072] <... bpf resumed>) = 3 [pid 6075] set_robust_list(0x5555802da660, 24 [pid 6074] write(1, "executing program\n", 18 [pid 6073] close(3 executing program [pid 6072] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6076] set_robust_list(0x5555802da660, 24 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6075 [pid 6076] <... set_robust_list resumed>) = 0 [pid 6074] <... write resumed>) = 18 [pid 6073] <... close resumed>) = 0 [pid 6076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6075] <... set_robust_list resumed>) = 0 [pid 6074] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program [pid 6073] write(1, "executing program\n", 18 [pid 6072] <... bpf resumed>) = 4 [pid 6076] <... prctl resumed>) = 0 [pid 6075] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6074] <... bpf resumed>) = 3 [pid 6073] <... write resumed>) = 18 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6076 [pid 6076] setpgid(0, 0) = 0 [pid 6073] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6075] <... prctl resumed>) = 0 [pid 6076] <... openat resumed>) = 3 [pid 6075] setpgid(0, 0 [pid 6074] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6073] <... bpf resumed>) = 3 [pid 6076] write(3, "1000", 4 [pid 6075] <... setpgid resumed>) = 0 [pid 6074] <... bpf resumed>) = 4 [pid 6073] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6076] <... write resumed>) = 4 [pid 6075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6076] close(3 [pid 6072] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16) = 5 [pid 6076] <... close resumed>) = 0 executing program [pid 6076] write(1, "executing program\n", 18 [pid 6075] <... openat resumed>) = 3 [pid 6073] <... bpf resumed>) = 4 [pid 6076] <... write resumed>) = 18 [pid 6075] write(3, "1000", 4 [pid 6072] exit_group(0 [pid 6076] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6074] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6076] <... bpf resumed>) = 3 [pid 6075] <... write resumed>) = 4 [pid 6074] <... bpf resumed>) = 5 [pid 6075] close(3 [pid 6076] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6074] exit_group(0 [pid 6073] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6072] <... exit_group resumed>) = ? [pid 6076] <... bpf resumed>) = 4 [pid 6075] <... close resumed>) = 0 [pid 6074] <... exit_group resumed>) = ? executing program [pid 6076] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6075] write(1, "executing program\n", 18 [pid 6072] +++ exited with 0 +++ [pid 6075] <... write resumed>) = 18 [pid 6075] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6073] <... bpf resumed>) = 5 [pid 5842] --- 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] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 6073] exit_group(0 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 6073] <... exit_group resumed>) = ? [pid 6075] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] <... restart_syscall resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6077 attached , child_tidptr=0x5555802da650) = 6077 [pid 6077] set_robust_list(0x5555802da660, 24 [pid 6076] <... bpf resumed>) = 5 [pid 6074] +++ exited with 0 +++ [pid 6077] <... set_robust_list resumed>) = 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6074, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6077] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6076] exit_group(0 [pid 6077] <... prctl resumed>) = 0 [pid 6077] setpgid(0, 0 [pid 6076] <... exit_group resumed>) = ? [pid 6077] <... setpgid resumed>) = 0 [pid 6077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6077] write(3, "1000", 4./strace-static-x86_64: Process 6078 attached ) = 4 [pid 6078] set_robust_list(0x5555802da660, 24) = 0 [pid 6077] close(3 [pid 6073] +++ exited with 0 +++ [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6078 [pid 6078] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6077] <... close resumed>) = 0 [pid 6075] <... bpf resumed>) = 5 executing program [pid 6077] write(1, "executing program\n", 18) = 18 [pid 6077] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6075] exit_group(0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6073, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6078] <... prctl resumed>) = 0 [pid 6077] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6075] <... exit_group resumed>) = ? [pid 6078] setpgid(0, 0 [pid 6077] <... bpf resumed>) = 4 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6078] <... setpgid resumed>) = 0 [pid 6077] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5846] <... restart_syscall resumed>) = 0 [pid 6078] <... openat resumed>) = 3 [pid 6078] write(3, "1000", 4) = 4 [pid 6078] close(3 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6078] <... close resumed>) = 0 [pid 6078] write(1, "executing program\n", 18executing program ) = 18 ./strace-static-x86_64: Process 6079 attached [pid 6076] +++ exited with 0 +++ [pid 6075] +++ exited with 0 +++ [pid 6078] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6075, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6079] set_robust_list(0x5555802da660, 24 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6079 [pid 6079] <... set_robust_list resumed>) = 0 [pid 6078] <... bpf resumed>) = 3 [pid 5844] --- 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 6079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6078] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6079] <... prctl resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6080 attached [pid 6079] setpgid(0, 0 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6080 ./strace-static-x86_64: Process 6081 attached [pid 6080] set_robust_list(0x5555802da660, 24 [pid 6079] <... setpgid resumed>) = 0 [pid 6078] <... bpf resumed>) = 4 [pid 6077] <... bpf resumed>) = 5 [pid 6081] set_robust_list(0x5555802da660, 24) = 0 [pid 6080] <... set_robust_list resumed>) = 0 [pid 6079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6078] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6077] exit_group(0 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6081 [pid 6081] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6080] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6079] <... openat resumed>) = 3 [pid 6078] <... bpf resumed>) = 5 [pid 6077] <... exit_group resumed>) = ? [pid 6081] <... prctl resumed>) = 0 [pid 6080] <... prctl resumed>) = 0 [pid 6079] write(3, "1000", 4 [pid 6081] setpgid(0, 0 [pid 6080] setpgid(0, 0 [pid 6079] <... write resumed>) = 4 [pid 6078] exit_group(0 [pid 6081] <... setpgid resumed>) = 0 [pid 6080] <... setpgid resumed>) = 0 executing program [pid 6079] close(3 [pid 6078] <... exit_group resumed>) = ? [pid 6081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6079] <... close resumed>) = 0 [pid 6081] <... openat resumed>) = 3 [pid 6079] write(1, "executing program\n", 18 [pid 6081] write(3, "1000", 4) = 4 [pid 6080] <... openat resumed>) = 3 [pid 6079] <... write resumed>) = 18 [pid 6081] close(3 [pid 6080] write(3, "1000", 4 [pid 6081] <... close resumed>) = 0 [pid 6080] <... write resumed>) = 4 [pid 6079] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program executing program [pid 6081] write(1, "executing program\n", 18 [pid 6080] close(3 [pid 6081] <... write resumed>) = 18 [pid 6080] <... close resumed>) = 0 [pid 6079] <... bpf resumed>) = 3 [pid 6080] write(1, "executing program\n", 18 [pid 6081] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6080] <... write resumed>) = 18 [pid 6079] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6081] <... bpf resumed>) = 3 [pid 6080] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6080] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6081] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6080] <... bpf resumed>) = 4 [pid 6079] <... bpf resumed>) = 4 [pid 6080] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6081] <... bpf resumed>) = 4 [pid 6079] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6078] +++ exited with 0 +++ [pid 6077] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6077, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6078, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6081] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6082 attached , child_tidptr=0x5555802da650) = 6082 [pid 6082] set_robust_list(0x5555802da660, 24) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 6083 attached [pid 6082] setpgid(0, 0 [pid 6081] <... bpf resumed>) = 5 [pid 6080] <... bpf resumed>) = 5 [pid 6079] <... bpf resumed>) = 5 [pid 6083] set_robust_list(0x5555802da660, 24 [pid 6082] <... setpgid resumed>) = 0 [pid 6081] exit_group(0 [pid 6080] exit_group(0 [pid 6083] <... set_robust_list resumed>) = 0 [pid 6082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6081] <... exit_group resumed>) = ? [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6083 [pid 6080] <... exit_group resumed>) = ? [pid 6083] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6082] <... openat resumed>) = 3 [pid 6079] exit_group(0 [pid 6081] +++ exited with 0 +++ [pid 6079] <... exit_group resumed>) = ? [pid 6083] <... prctl resumed>) = 0 [pid 6082] write(3, "1000", 4 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6081, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6083] setpgid(0, 0 [pid 6082] <... write resumed>) = 4 [pid 6083] <... setpgid resumed>) = 0 executing program [pid 6082] close(3 [pid 6080] +++ exited with 0 +++ [pid 6079] +++ exited with 0 +++ [pid 6082] <... close resumed>) = 0 [pid 6082] write(1, "executing program\n", 18 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6079, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6084 attached [pid 6083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6082] <... write resumed>) = 18 [pid 5844] --- 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_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6084 [pid 6084] set_robust_list(0x5555802da660, 24 [pid 6083] <... openat resumed>) = 3 [pid 6082] <... bpf resumed>) = 3 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6084] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6085 attached [pid 6084] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6083] write(3, "1000", 4 [pid 6082] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6085] set_robust_list(0x5555802da660, 24 [pid 6084] <... prctl resumed>) = 0 [pid 6083] <... write resumed>) = 4 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6085 [pid 6085] <... set_robust_list resumed>) = 0 [pid 6084] setpgid(0, 0 [pid 6083] close(3 [pid 6082] <... bpf resumed>) = 4 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6084] <... setpgid resumed>) = 0 [pid 6083] <... close resumed>) = 0 executing program [pid 6084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6085] <... prctl resumed>) = 0 [pid 6083] write(1, "executing program\n", 18 [pid 6085] setpgid(0, 0 [pid 6084] <... openat resumed>) = 3 [pid 6083] <... write resumed>) = 18 ./strace-static-x86_64: Process 6086 attached [pid 6085] <... setpgid resumed>) = 0 [pid 6083] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6086] set_robust_list(0x5555802da660, 24 [pid 6085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6084] write(3, "1000", 4 [pid 6083] <... bpf resumed>) = 3 [pid 6082] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6086] <... set_robust_list resumed>) = 0 [pid 6085] <... openat resumed>) = 3 [pid 6084] <... write resumed>) = 4 [pid 6083] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6086 [pid 6086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6085] write(3, "1000", 4 [pid 6084] close(3 [pid 6083] <... bpf resumed>) = 4 [pid 6082] <... bpf resumed>) = 5 [pid 6086] setpgid(0, 0 [pid 6085] <... write resumed>) = 4 [pid 6084] <... close resumed>) = 0 [pid 6086] <... setpgid resumed>) = 0 [pid 6084] write(1, "executing program\n", 18) = 18 executing program [pid 6084] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6085] close(3) = 0 [pid 6085] write(1, "executing program\n", 18executing program ) = 18 [pid 6084] <... bpf resumed>) = 3 [pid 6085] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6084] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6085] <... bpf resumed>) = 3 [pid 6083] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6082] exit_group(0 [pid 6086] <... openat resumed>) = 3 [pid 6085] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6084] <... bpf resumed>) = 4 [pid 6086] write(3, "1000", 4 [pid 6085] <... bpf resumed>) = 4 [pid 6083] <... bpf resumed>) = 5 [pid 6082] <... exit_group resumed>) = ? [pid 6086] <... write resumed>) = 4 [pid 6084] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16) = 5 [pid 6084] exit_group(0) = ? [pid 6086] close(3 [pid 6083] exit_group(0 [pid 6082] +++ exited with 0 +++ [pid 6086] <... close resumed>) = 0 [pid 6085] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16executing program [pid 6086] write(1, "executing program\n", 18 [pid 6083] <... exit_group resumed>) = ? [pid 6086] <... write resumed>) = 18 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6082, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6086] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6086] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 6087 attached [pid 6087] set_robust_list(0x5555802da660, 24 [pid 6086] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6087 [pid 6087] <... set_robust_list resumed>) = 0 [pid 6086] <... bpf resumed>) = 4 [pid 6087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6085] <... bpf resumed>) = 5 [pid 6087] <... prctl resumed>) = 0 [pid 6084] +++ exited with 0 +++ [pid 6085] exit_group(0 [pid 6086] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6087] setpgid(0, 0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6084, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6085] <... exit_group resumed>) = ? [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6087] <... setpgid resumed>) = 0 [pid 6087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6087] write(3, "1000", 4) = 4 [pid 6087] close(3executing program ) = 0 [pid 5846] <... restart_syscall resumed>) = 0 [pid 6087] write(1, "executing program\n", 18) = 18 [pid 6087] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6087] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144./strace-static-x86_64: Process 6088 attached [pid 6088] set_robust_list(0x5555802da660, 24) = 0 [pid 6088] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6087] <... bpf resumed>) = 4 [pid 6086] <... bpf resumed>) = 5 [pid 6083] +++ exited with 0 +++ [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6088 [pid 6088] <... prctl resumed>) = 0 [pid 6087] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6086] exit_group(0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6083, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6088] setpgid(0, 0 [pid 6086] <... exit_group resumed>) = ? [pid 6088] <... setpgid resumed>) = 0 [pid 6088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6088] write(3, "1000", 4 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6088] <... write resumed>) = 4 [pid 6088] close(3) = 0 [pid 6088] write(1, "executing program\n", 18executing program ./strace-static-x86_64: Process 6089 attached [pid 6089] set_robust_list(0x5555802da660, 24 [pid 6088] <... write resumed>) = 18 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6089 [pid 6089] <... set_robust_list resumed>) = 0 [pid 6088] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6088] <... bpf resumed>) = 3 [pid 6089] setpgid(0, 0) = 0 [pid 6088] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6088] <... bpf resumed>) = 4 [pid 6089] <... openat resumed>) = 3 [pid 6088] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6089] write(3, "1000", 4 [pid 6087] <... bpf resumed>) = 5 [pid 6085] +++ exited with 0 +++ [pid 5844] --- 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] <... write resumed>) = 4 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6090 attached [pid 6089] close(3 [pid 6087] exit_group(0 [pid 6090] set_robust_list(0x5555802da660, 24 [pid 6089] <... close resumed>) = 0 [pid 6089] write(1, "executing program\n", 18executing program [pid 6090] <... set_robust_list resumed>) = 0 [pid 6087] <... exit_group resumed>) = ? [pid 6089] <... write resumed>) = 18 [pid 6090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6089] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6090 [pid 6090] <... prctl resumed>) = 0 [pid 6089] <... bpf resumed>) = 3 [pid 6090] setpgid(0, 0 [pid 6089] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6090] <... setpgid resumed>) = 0 [pid 6090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6090] write(3, "1000", 4 [pid 6089] <... bpf resumed>) = 4 [pid 6088] <... bpf resumed>) = 5 [pid 6086] +++ exited with 0 +++ [pid 6089] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6090] <... write resumed>) = 4 [pid 6088] exit_group(0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6086, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6090] close(3 [pid 6088] <... exit_group resumed>) = ? [pid 6090] <... close resumed>) = 0 [pid 6090] write(1, "executing program\n", 18 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 6090] <... write resumed>) = 18 ./strace-static-x86_64: Process 6091 attached [pid 6090] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6091] set_robust_list(0x5555802da660, 24) = 0 [pid 6090] <... bpf resumed>) = 3 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6091 [pid 6091] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6090] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6091] <... prctl resumed>) = 0 [pid 6090] <... bpf resumed>) = 4 [pid 6091] setpgid(0, 0 [pid 6090] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6091] <... setpgid resumed>) = 0 [pid 6091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6091] write(3, "1000", 4) = 4 [pid 6089] <... bpf resumed>) = 5 [pid 6087] +++ exited with 0 +++ [pid 6091] close(3 [pid 6089] exit_group(0 [pid 6091] <... close resumed>) = 0 [pid 6089] <... exit_group resumed>) = ? [pid 6091] write(1, "executing program\n", 18 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6087, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 6091] <... write resumed>) = 18 [pid 6091] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6091] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144./strace-static-x86_64: Process 6092 attached ) = 4 [pid 6091] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6092] set_robust_list(0x5555802da660, 24 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6092 [pid 6092] <... set_robust_list resumed>) = 0 [pid 6092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6092] setpgid(0, 0) = 0 [pid 6092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6090] <... bpf resumed>) = 5 [pid 6088] +++ exited with 0 +++ [pid 6092] <... openat resumed>) = 3 [pid 6090] exit_group(0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6088, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6092] write(3, "1000", 4 [pid 6090] <... exit_group resumed>) = ? [pid 6092] <... write resumed>) = 4 [pid 6092] close(3 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 6092] <... close resumed>) = 0 [pid 6092] write(1, "executing program\n", 18) = 18 ./strace-static-x86_64: Process 6093 attached [pid 6092] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6093] set_robust_list(0x5555802da660, 24) = 0 [pid 6092] <... bpf resumed>) = 3 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6093 [pid 6093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6092] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6093] <... prctl resumed>) = 0 [pid 6093] setpgid(0, 0) = 0 [pid 6093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6092] <... bpf resumed>) = 4 [pid 6091] <... bpf resumed>) = 5 [pid 6089] +++ exited with 0 +++ [pid 6091] exit_group(0 [pid 6093] <... openat resumed>) = 3 [pid 6092] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6089, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6093] write(3, "1000", 4 [pid 6091] <... exit_group resumed>) = ? [pid 6093] <... write resumed>) = 4 [pid 6093] close(3) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6094 attached [pid 6093] write(1, "executing program\n", 18executing program ) = 18 [pid 6093] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6094] set_robust_list(0x5555802da660, 24 [pid 6093] <... bpf resumed>) = 3 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6094 [pid 6094] <... set_robust_list resumed>) = 0 [pid 6093] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6094] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6093] <... bpf resumed>) = 4 [pid 6092] <... bpf resumed>) = 5 [pid 6090] +++ exited with 0 +++ [pid 6094] <... prctl resumed>) = 0 [pid 6094] setpgid(0, 0 [pid 6093] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6090, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6094] <... setpgid resumed>) = 0 [pid 6092] exit_group(0 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 6094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6092] <... exit_group resumed>) = ? [pid 5844] <... restart_syscall resumed>) = 0 [pid 6094] <... openat resumed>) = 3 [pid 6094] write(3, "1000", 4) = 4 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6094] close(3) = 0 [pid 6094] write(1, "executing program\n", 18executing program ) = 18 [pid 6094] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6094] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144./strace-static-x86_64: Process 6095 attached [pid 6093] <... bpf resumed>) = 5 [pid 6091] +++ exited with 0 +++ [pid 6095] set_robust_list(0x5555802da660, 24 [pid 6093] exit_group(0 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6095 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6091, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6095] <... set_robust_list resumed>) = 0 [pid 6093] <... exit_group resumed>) = ? [pid 6095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6094] <... bpf resumed>) = 4 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6096 attached [pid 6094] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6096] set_robust_list(0x5555802da660, 24) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6096 [pid 6096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6095] <... prctl resumed>) = 0 [pid 6096] <... prctl resumed>) = 0 [pid 6096] setpgid(0, 0 [pid 6095] setpgid(0, 0 [pid 6096] <... setpgid resumed>) = 0 [pid 6095] <... setpgid resumed>) = 0 [pid 6096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6093] +++ exited with 0 +++ [pid 6092] +++ exited with 0 +++ [pid 6096] <... openat resumed>) = 3 [pid 6095] <... openat resumed>) = 3 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6093, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6092, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6095] write(3, "1000", 4 [pid 6096] write(3, "1000", 4 [pid 6095] <... write resumed>) = 4 [pid 6096] <... write resumed>) = 4 [pid 6095] close(3 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6096] close(3 [pid 6095] <... close resumed>) = 0 [pid 6096] <... close resumed>) = 0 executing program [pid 6096] write(1, "executing program\n", 18./strace-static-x86_64: Process 6097 attached ) = 18 [pid 6095] write(1, "executing program\n", 18 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 6098 attached [pid 6097] set_robust_list(0x5555802da660, 24 [pid 6096] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6095] <... write resumed>) = 18 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6097 [pid 6097] <... set_robust_list resumed>) = 0 [pid 6098] set_robust_list(0x5555802da660, 24 [pid 6097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6096] <... bpf resumed>) = 3 [pid 6095] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6098] <... set_robust_list resumed>) = 0 [pid 6097] <... prctl resumed>) = 0 [pid 6096] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6095] <... bpf resumed>) = 3 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6098 [pid 6098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6097] setpgid(0, 0 [pid 6096] <... bpf resumed>) = 4 [pid 6094] <... bpf resumed>) = 5 [pid 6097] <... setpgid resumed>) = 0 [pid 6095] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6098] <... prctl resumed>) = 0 [pid 6097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6095] <... bpf resumed>) = 4 [pid 6098] setpgid(0, 0) = 0 [pid 6096] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6094] exit_group(0 [pid 6097] <... openat resumed>) = 3 [pid 6094] <... exit_group resumed>) = ? [pid 6098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6097] write(3, "1000", 4 [pid 6094] +++ exited with 0 +++ [pid 6097] <... write resumed>) = 4 [pid 6095] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6094, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6097] close(3 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6098] <... openat resumed>) = 3 [pid 6097] <... close resumed>) = 0 [pid 6098] write(3, "1000", 4 [pid 6097] write(1, "executing program\n", 18 [pid 6098] <... write resumed>) = 4 executing program [pid 6098] close(3 [pid 6097] <... write resumed>) = 18 [pid 6098] <... close resumed>) = 0 [pid 6098] write(1, "executing program\n", 18 executing program [pid 6097] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5838] <... restart_syscall resumed>) = 0 [pid 6098] <... write resumed>) = 18 [pid 6098] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6097] <... bpf resumed>) = 3 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6098] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6097] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144./strace-static-x86_64: Process 6099 attached [pid 6096] <... bpf resumed>) = 5 [pid 6099] set_robust_list(0x5555802da660, 24 [pid 6098] <... bpf resumed>) = 4 [pid 6097] <... bpf resumed>) = 4 [pid 6096] exit_group(0 [pid 6095] <... bpf resumed>) = 5 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6099 [pid 6099] <... set_robust_list resumed>) = 0 [pid 6096] <... exit_group resumed>) = ? [pid 6099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6097] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6099] <... prctl resumed>) = 0 [pid 6099] setpgid(0, 0) = 0 [pid 6097] <... bpf resumed>) = 5 [pid 6099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6097] exit_group(0 [pid 6099] <... openat resumed>) = 3 [pid 6099] write(3, "1000", 4 [pid 6097] <... exit_group resumed>) = ? [pid 6096] +++ exited with 0 +++ [pid 6095] exit_group(0 [pid 6099] <... write resumed>) = 4 [pid 6095] <... exit_group resumed>) = ? executing program [pid 6099] close(3 [pid 6098] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6099] <... close resumed>) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6096, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6099] write(1, "executing program\n", 18) = 18 [pid 5840] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6099] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6100 attached [pid 6099] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6100 [pid 6100] set_robust_list(0x5555802da660, 24 [pid 6099] <... bpf resumed>) = 4 [pid 6097] +++ exited with 0 +++ [pid 6095] +++ exited with 0 +++ [pid 6100] <... set_robust_list resumed>) = 0 [pid 6099] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6095, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6097, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6100] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 6101 attached [pid 6100] setpgid(0, 0 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6101 [pid 6101] set_robust_list(0x5555802da660, 24 [pid 6100] <... setpgid resumed>) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6101] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6102 attached [pid 6100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6102] set_robust_list(0x5555802da660, 24) = 0 [pid 6102] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6100] <... openat resumed>) = 3 [pid 6101] <... prctl resumed>) = 0 [pid 6102] <... prctl resumed>) = 0 [pid 6101] setpgid(0, 0 [pid 6100] write(3, "1000", 4 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6102 [pid 6102] setpgid(0, 0 [pid 6101] <... setpgid resumed>) = 0 [pid 6102] <... setpgid resumed>) = 0 [pid 6100] <... write resumed>) = 4 [pid 6102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6100] close(3 [pid 6101] <... openat resumed>) = 3 [pid 6101] write(3, "1000", 4 [pid 6102] <... openat resumed>) = 3 [pid 6100] <... close resumed>) = 0 [pid 6099] <... bpf resumed>) = 5 [pid 6098] <... bpf resumed>) = 5 [pid 6100] write(1, "executing program\n", 18 [pid 6102] write(3, "1000", 4 [pid 6101] <... write resumed>) = 4 [pid 6098] exit_group(0 [pid 6102] <... write resumed>) = 4 [pid 6101] close(3 executing program executing program executing program [pid 6098] <... exit_group resumed>) = ? [pid 6102] close(3 [pid 6101] <... close resumed>) = 0 [pid 6100] <... write resumed>) = 18 [pid 6099] exit_group(0 [pid 6100] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6099] <... exit_group resumed>) = ? [pid 6102] <... close resumed>) = 0 [pid 6101] write(1, "executing program\n", 18 [pid 6100] <... bpf resumed>) = 3 [pid 6102] write(1, "executing program\n", 18 [pid 6101] <... write resumed>) = 18 [pid 6102] <... write resumed>) = 18 [pid 6100] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6102] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6101] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6102] <... bpf resumed>) = 3 [pid 6101] <... bpf resumed>) = 3 [pid 6100] <... bpf resumed>) = 4 [pid 6102] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6101] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6100] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6102] <... bpf resumed>) = 4 [pid 6102] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6101] <... bpf resumed>) = 4 [pid 6101] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6098] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6098, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 6099] +++ exited with 0 +++ [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6099, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5842] <... restart_syscall resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... restart_syscall resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6103 attached [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6103 ./strace-static-x86_64: Process 6104 attached [pid 6103] set_robust_list(0x5555802da660, 24 [pid 6102] <... bpf resumed>) = 5 [pid 6101] <... bpf resumed>) = 5 [pid 6100] <... bpf resumed>) = 5 [pid 6104] set_robust_list(0x5555802da660, 24 [pid 6103] <... set_robust_list resumed>) = 0 [pid 6102] exit_group(0 [pid 6104] <... set_robust_list resumed>) = 0 [pid 6103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6102] <... exit_group resumed>) = ? [pid 6101] exit_group(0 [pid 6100] exit_group(0 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6104 [pid 6104] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6103] <... prctl resumed>) = 0 [pid 6102] +++ exited with 0 +++ [pid 6101] <... exit_group resumed>) = ? [pid 6100] <... exit_group resumed>) = ? [pid 6104] <... prctl resumed>) = 0 [pid 6103] setpgid(0, 0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6102, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6104] setpgid(0, 0 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 6104] <... setpgid resumed>) = 0 [pid 6103] <... setpgid resumed>) = 0 [pid 6104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6101] +++ exited with 0 +++ [pid 6103] <... openat resumed>) = 3 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6101, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6104] write(3, "1000", 4) = 4 [pid 6103] write(3, "1000", 4 [pid 6104] close(3 [pid 6103] <... write resumed>) = 4 [pid 6100] +++ exited with 0 +++ [pid 6104] <... close resumed>) = 0 [pid 6103] close(3executing program executing program [pid 6104] write(1, "executing program\n", 18 [pid 6103] <... close resumed>) = 0 [pid 5840] --- 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] <... write resumed>) = 18 [pid 6103] write(1, "executing program\n", 18 [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6104] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6103] <... write resumed>) = 18 [pid 6103] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6104] <... bpf resumed>) = 3 [pid 6104] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6103] <... bpf resumed>) = 3 [pid 6103] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6104] <... bpf resumed>) = 4 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5840] <... restart_syscall resumed>) = 0 [pid 6104] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6103] <... bpf resumed>) = 4 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6105 attached [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6105] set_robust_list(0x5555802da660, 24./strace-static-x86_64: Process 6107 attached ./strace-static-x86_64: Process 6106 attached ) = 0 [pid 6104] <... bpf resumed>) = 5 [pid 6103] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6107] set_robust_list(0x5555802da660, 24 [pid 6106] set_robust_list(0x5555802da660, 24 [pid 6105] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6103] <... bpf resumed>) = 5 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6105 [pid 6104] exit_group(0 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6107 [pid 6107] <... set_robust_list resumed>) = 0 [pid 6106] <... set_robust_list resumed>) = 0 [pid 6105] <... prctl resumed>) = 0 [pid 6103] exit_group(0 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6106 [pid 6107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6106] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6105] setpgid(0, 0 [pid 6104] <... exit_group resumed>) = ? [pid 6103] <... exit_group resumed>) = ? [pid 6107] <... prctl resumed>) = 0 [pid 6106] <... prctl resumed>) = 0 [pid 6105] <... setpgid resumed>) = 0 [pid 6103] +++ exited with 0 +++ [pid 6107] setpgid(0, 0 [pid 6106] setpgid(0, 0 [pid 6105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6107] <... setpgid resumed>) = 0 [pid 6106] <... setpgid resumed>) = 0 [pid 6105] <... openat resumed>) = 3 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6103, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 6107] <... openat resumed>) = 3 [pid 6106] <... openat resumed>) = 3 [pid 6105] write(3, "1000", 4 [pid 6107] write(3, "1000", 4 [pid 6105] <... write resumed>) = 4 [pid 6107] <... write resumed>) = 4 [pid 6105] close(3 [pid 6107] close(3 [pid 6105] <... close resumed>) = 0 [pid 6107] <... close resumed>) = 0 executing program [pid 6106] write(3, "1000", 4 [pid 6107] write(1, "executing program\n", 18 executing program [pid 6106] <... write resumed>) = 4 [pid 6105] write(1, "executing program\n", 18 [pid 6107] <... write resumed>) = 18 [pid 6106] close(3 [pid 6105] <... write resumed>) = 18 [pid 6107] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6106] <... close resumed>) = 0 [pid 6105] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6104] +++ exited with 0 +++ [pid 6107] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144executing program [pid 6106] write(1, "executing program\n", 18 [pid 6105] <... bpf resumed>) = 3 [pid 6106] <... write resumed>) = 18 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6104, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6107] <... bpf resumed>) = 4 [pid 6106] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6105] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6107] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6106] <... bpf resumed>) = 3 [pid 6105] <... bpf resumed>) = 4 [pid 6106] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6105] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6107] <... bpf resumed>) = 5 [pid 6106] <... bpf resumed>) = 4 [pid 6105] <... bpf resumed>) = 5 [pid 5842] <... restart_syscall resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 6107] exit_group(0 [pid 6106] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6105] exit_group(0 [pid 6107] <... exit_group resumed>) = ? [pid 6106] <... bpf resumed>) = 5 [pid 6105] <... exit_group resumed>) = ? [pid 6107] +++ exited with 0 +++ [pid 6106] exit_group(0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6108 attached [pid 6106] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6109 attached [pid 6108] set_robust_list(0x5555802da660, 24 [pid 5846] --- 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] set_robust_list(0x5555802da660, 24 [pid 6108] <... set_robust_list resumed>) = 0 [pid 6109] <... set_robust_list resumed>) = 0 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6108 [pid 6108] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6109] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6108] <... prctl resumed>) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6109 [pid 6109] <... prctl resumed>) = 0 [pid 6108] setpgid(0, 0 [pid 6109] setpgid(0, 0) = 0 [pid 6108] <... setpgid resumed>) = 0 [pid 6109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6106] +++ exited with 0 +++ [pid 6105] +++ exited with 0 +++ [pid 5846] <... restart_syscall resumed>) = 0 [pid 6109] <... openat resumed>) = 3 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6105, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6106, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6109] write(3, "1000", 4) = 4 [pid 6109] close(3 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6109] <... close resumed>) = 0 [pid 6108] <... openat resumed>) = 3 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6108] write(3, "1000", 4executing program executing program ) = 4 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6110 attached [pid 6109] write(1, "executing program\n", 18 [pid 6108] close(3) = 0 [pid 6110] set_robust_list(0x5555802da660, 24 [pid 6108] write(1, "executing program\n", 18./strace-static-x86_64: Process 6111 attached [pid 6110] <... set_robust_list resumed>) = 0 [pid 6109] <... write resumed>) = 18 [pid 6108] <... write resumed>) = 18 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6110 ./strace-static-x86_64: Process 6112 attached [pid 6110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6108] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6112] set_robust_list(0x5555802da660, 24 [pid 6111] set_robust_list(0x5555802da660, 24 [pid 6109] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6111 [pid 6112] <... set_robust_list resumed>) = 0 [pid 6111] <... set_robust_list resumed>) = 0 [pid 6110] <... prctl resumed>) = 0 [pid 6109] <... bpf resumed>) = 3 [pid 6108] <... bpf resumed>) = 3 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6112 [pid 6112] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6111] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6109] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6112] <... prctl resumed>) = 0 [pid 6111] <... prctl resumed>) = 0 [pid 6110] setpgid(0, 0 [pid 6109] <... bpf resumed>) = 4 [pid 6108] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6112] setpgid(0, 0 [pid 6111] setpgid(0, 0 [pid 6110] <... setpgid resumed>) = 0 [pid 6111] <... setpgid resumed>) = 0 [pid 6112] <... setpgid resumed>) = 0 [pid 6110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6111] <... openat resumed>) = 3 [pid 6110] <... openat resumed>) = 3 [pid 6109] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6108] <... bpf resumed>) = 4 [pid 6111] write(3, "1000", 4 [pid 6109] <... bpf resumed>) = 5 [pid 6108] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6112] <... openat resumed>) = 3 [pid 6111] <... write resumed>) = 4 [pid 6110] write(3, "1000", 4 [pid 6112] write(3, "1000", 4 [pid 6111] close(3 [pid 6110] <... write resumed>) = 4 [pid 6108] <... bpf resumed>) = 5 [pid 6112] <... write resumed>) = 4 [pid 6111] <... close resumed>) = 0 executing program [pid 6110] close(3 [pid 6109] exit_group(0 [pid 6111] write(1, "executing program\n", 18 [pid 6109] <... exit_group resumed>) = ? [pid 6112] close(3 [pid 6111] <... write resumed>) = 18 [pid 6110] <... close resumed>) = 0 [pid 6108] exit_group(0 [pid 6112] <... close resumed>) = 0 [pid 6111] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6110] write(1, "executing program\n", 18 [pid 6108] <... exit_group resumed>) = ? executing program executing program [pid 6112] write(1, "executing program\n", 18 [pid 6111] <... bpf resumed>) = 3 [pid 6110] <... write resumed>) = 18 [pid 6112] <... write resumed>) = 18 [pid 6111] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6110] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6112] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6110] <... bpf resumed>) = 3 [pid 6112] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6111] <... bpf resumed>) = 4 [pid 6110] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6111] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6112] <... bpf resumed>) = 4 [pid 6110] <... bpf resumed>) = 4 [pid 6110] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6112] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6109] +++ exited with 0 +++ [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6109, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6108] +++ exited with 0 +++ [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6108, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] <... restart_syscall resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6113 attached ./strace-static-x86_64: Process 6114 attached , child_tidptr=0x5555802da650) = 6113 [pid 6114] set_robust_list(0x5555802da660, 24 [pid 6113] set_robust_list(0x5555802da660, 24 [pid 6112] <... bpf resumed>) = 5 [pid 6111] <... bpf resumed>) = 5 [pid 6110] <... bpf resumed>) = 5 [pid 6113] <... set_robust_list resumed>) = 0 [pid 6112] exit_group(0 [pid 6111] exit_group(0 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6114 [pid 6114] <... set_robust_list resumed>) = 0 [pid 6113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6112] <... exit_group resumed>) = ? [pid 6111] <... exit_group resumed>) = ? [pid 6110] exit_group(0 [pid 6114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6113] <... prctl resumed>) = 0 [pid 6112] +++ exited with 0 +++ [pid 6110] <... exit_group resumed>) = ? [pid 6114] <... prctl resumed>) = 0 [pid 6113] setpgid(0, 0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6112, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6114] setpgid(0, 0 [pid 6113] <... setpgid resumed>) = 0 [pid 6114] <... setpgid resumed>) = 0 [pid 6113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 6114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6113] <... openat resumed>) = 3 [pid 6113] write(3, "1000", 4 [pid 6114] <... openat resumed>) = 3 [pid 6113] <... write resumed>) = 4 [pid 6113] close(3) = 0 [pid 6113] write(1, "executing program\n", 18) = 18 [pid 6113] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6114] write(3, "1000", 4 [pid 6111] +++ exited with 0 +++ [pid 6110] +++ exited with 0 +++ [pid 6113] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6114] <... write resumed>) = 4 [pid 6113] <... bpf resumed>) = 4 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6110, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6111, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6114] close(3) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6114] write(1, "executing program\n", 18 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 6113] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16./strace-static-x86_64: Process 6116 attached ./strace-static-x86_64: Process 6115 attached [pid 6114] <... write resumed>) = 18 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6117 attached [pid 6116] set_robust_list(0x5555802da660, 24 [pid 6115] set_robust_list(0x5555802da660, 24 [pid 6114] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6116 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6115 [pid 6116] <... set_robust_list resumed>) = 0 [pid 6115] <... set_robust_list resumed>) = 0 [pid 6117] set_robust_list(0x5555802da660, 24 [pid 6115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6115] <... prctl resumed>) = 0 [pid 6116] <... prctl resumed>) = 0 [pid 6115] setpgid(0, 0 [pid 6116] setpgid(0, 0 [pid 6115] <... setpgid resumed>) = 0 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6117 [pid 6116] <... setpgid resumed>) = 0 [pid 6115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6117] <... set_robust_list resumed>) = 0 [pid 6116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6114] <... bpf resumed>) = 3 [pid 6117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6115] <... openat resumed>) = 3 [pid 6114] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6117] <... prctl resumed>) = 0 [pid 6116] <... openat resumed>) = 3 [pid 6115] write(3, "1000", 4 [pid 6116] write(3, "1000", 4 [pid 6115] <... write resumed>) = 4 [pid 6116] <... write resumed>) = 4 [pid 6115] close(3 [pid 6116] close(3 [pid 6115] <... close resumed>) = 0 [pid 6116] <... close resumed>) = 0 [pid 6115] write(1, "executing program\n", 18 [pid 6116] write(1, "executing program\n", 18 [pid 6115] <... write resumed>) = 18 [pid 6116] <... write resumed>) = 18 [pid 6115] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program executing program [pid 6117] setpgid(0, 0 [pid 6116] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6115] <... bpf resumed>) = 3 [pid 6114] <... bpf resumed>) = 4 [pid 6117] <... setpgid resumed>) = 0 [pid 6116] <... bpf resumed>) = 3 [pid 6116] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6115] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6114] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6113] <... bpf resumed>) = 5 [pid 6117] <... openat resumed>) = 3 [pid 6116] <... bpf resumed>) = 4 [pid 6115] <... bpf resumed>) = 4 [pid 6114] <... bpf resumed>) = 5 [pid 6113] exit_group(0 [pid 6117] write(3, "1000", 4 [pid 6115] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6117] <... write resumed>) = 4 [pid 6116] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6115] <... bpf resumed>) = 5 [pid 6114] exit_group(0 [pid 6113] <... exit_group resumed>) = ? [pid 6117] close(3) = 0 [pid 6116] <... bpf resumed>) = 5 [pid 6115] exit_group(0 [pid 6114] <... exit_group resumed>) = ? [pid 6113] +++ exited with 0 +++ executing program [pid 6117] write(1, "executing program\n", 18 [pid 6116] exit_group(0 [pid 6115] <... exit_group resumed>) = ? [pid 6114] +++ exited with 0 +++ [pid 6117] <... write resumed>) = 18 [pid 6117] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6116] <... exit_group resumed>) = ? [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6114, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6113, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6117] <... bpf resumed>) = 3 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6117] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144./strace-static-x86_64: Process 6118 attached [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6118 [pid 6118] set_robust_list(0x5555802da660, 24 [pid 6117] <... bpf resumed>) = 4 [pid 6116] +++ exited with 0 +++ [pid 6115] +++ exited with 0 +++ [pid 6118] <... set_robust_list resumed>) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6115, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6118] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6118] <... prctl resumed>) = 0 [pid 6117] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6116, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6119 attached [pid 6118] setpgid(0, 0) = 0 [pid 6119] set_robust_list(0x5555802da660, 24 [pid 6118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6119 [pid 6118] <... openat resumed>) = 3 [pid 6118] write(3, "1000", 4./strace-static-x86_64: Process 6120 attached [pid 6119] <... set_robust_list resumed>) = 0 [pid 6117] <... bpf resumed>) = 5 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6120] set_robust_list(0x5555802da660, 24 [pid 6119] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6118] <... write resumed>) = 4 [pid 6117] exit_group(0 [pid 6120] <... set_robust_list resumed>) = 0 [pid 6119] <... prctl resumed>) = 0 [pid 6118] close(3./strace-static-x86_64: Process 6121 attached [pid 6120] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6119] setpgid(0, 0 [pid 6118] <... close resumed>) = 0 [pid 6121] set_robust_list(0x5555802da660, 24 [pid 6120] <... prctl resumed>) = 0 [pid 6119] <... setpgid resumed>) = 0 executing program [pid 6118] write(1, "executing program\n", 18 [pid 6117] <... exit_group resumed>) = ? [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6121 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6120 [pid 6121] <... set_robust_list resumed>) = 0 [pid 6120] setpgid(0, 0 [pid 6119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6118] <... write resumed>) = 18 [pid 6121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6120] <... setpgid resumed>) = 0 [pid 6119] <... openat resumed>) = 3 [pid 6118] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6121] <... prctl resumed>) = 0 [pid 6120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6119] write(3, "1000", 4 [pid 6118] <... bpf resumed>) = 3 [pid 6121] setpgid(0, 0 [pid 6120] <... openat resumed>) = 3 [pid 6119] <... write resumed>) = 4 [pid 6117] +++ exited with 0 +++ [pid 6121] <... setpgid resumed>) = 0 [pid 6118] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6117, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6120] write(3, "1000", 4 [pid 6119] close(3 [pid 6121] <... openat resumed>) = 3 [pid 6120] <... write resumed>) = 4 [pid 6119] <... close resumed>) = 0 [pid 6118] <... bpf resumed>) = 4 [pid 6121] write(3, "1000", 4executing program [pid 6120] close(3 [pid 6119] write(1, "executing program\n", 18) = 18 [pid 6119] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6121] <... write resumed>) = 4 [pid 6120] <... close resumed>) = 0 [pid 6119] <... bpf resumed>) = 3 [pid 6118] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6121] close(3executing program [pid 6120] write(1, "executing program\n", 18 [pid 6119] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6121] <... close resumed>) = 0 [pid 6120] <... write resumed>) = 18 [pid 6119] <... bpf resumed>) = 4 [pid 6121] write(1, "executing program\n", 18 executing program [pid 6120] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6121] <... write resumed>) = 18 [pid 6120] <... bpf resumed>) = 3 [pid 6119] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6118] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 6122 attached [pid 6121] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6120] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6119] <... bpf resumed>) = 5 [pid 6118] exit_group(0 [pid 6122] set_robust_list(0x5555802da660, 24 [pid 6121] <... bpf resumed>) = 3 [pid 6120] <... bpf resumed>) = 4 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6122 [pid 6122] <... set_robust_list resumed>) = 0 [pid 6121] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6119] exit_group(0 [pid 6118] <... exit_group resumed>) = ? [pid 6122] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6121] <... bpf resumed>) = 4 [pid 6119] <... exit_group resumed>) = ? [pid 6122] setpgid(0, 0 [pid 6120] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6122] <... setpgid resumed>) = 0 [pid 6122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6121] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6122] <... openat resumed>) = 3 [pid 6122] write(3, "1000", 4) = 4 [pid 6122] close(3) = 0 executing program [pid 6122] write(1, "executing program\n", 18) = 18 [pid 6122] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6122] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 6122] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6119] +++ exited with 0 +++ [pid 6118] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6119, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6118, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6123 attached [pid 6123] set_robust_list(0x5555802da660, 24 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6123 [pid 5838] <... restart_syscall resumed>) = 0 [pid 6123] <... set_robust_list resumed>) = 0 [pid 6123] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6123] setpgid(0, 0 [pid 6122] <... bpf resumed>) = 5 [pid 6121] <... bpf resumed>) = 5 [pid 6120] <... bpf resumed>) = 5 [pid 6123] <... setpgid resumed>) = 0 [pid 6122] exit_group(0 [pid 6121] exit_group(0 [pid 6120] exit_group(0 [pid 6123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6122] <... exit_group resumed>) = ? [pid 6120] <... exit_group resumed>) = ? [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6123] <... openat resumed>) = 3 [pid 6122] +++ exited with 0 +++ [pid 6121] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6124 attached [pid 6123] write(3, "1000", 4 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6122, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 6123] <... write resumed>) = 4 [pid 6124] set_robust_list(0x5555802da660, 24 [pid 6123] close(3 [pid 6124] <... set_robust_list resumed>) = 0 [pid 6123] <... close resumed>) = 0 [pid 6124] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6123] write(1, "executing program\n", 18executing program [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6124 [pid 6124] <... prctl resumed>) = 0 [pid 6123] <... write resumed>) = 18 [pid 6124] setpgid(0, 0 [pid 6123] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6124] <... setpgid resumed>) = 0 [pid 6123] <... bpf resumed>) = 3 [pid 6124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6123] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6124] <... openat resumed>) = 3 [pid 6123] <... bpf resumed>) = 4 [pid 6124] write(3, "1000", 4 [pid 6121] +++ exited with 0 +++ [pid 6120] +++ exited with 0 +++ [pid 5844] <... restart_syscall resumed>) = 0 [pid 6124] <... write resumed>) = 4 [pid 6123] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6124] close(3 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6121, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 6124] <... close resumed>) = 0 [pid 6124] write(1, "executing program\n", 18 [pid 5842] --- 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] <... write resumed>) = 18 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6124] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6124] <... bpf resumed>) = 3 [pid 6124] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144./strace-static-x86_64: Process 6126 attached ./strace-static-x86_64: Process 6125 attached ) = 4 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6126] set_robust_list(0x5555802da660, 24 [pid 6125] set_robust_list(0x5555802da660, 24 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6125 [pid 6125] <... set_robust_list resumed>) = 0 [pid 6125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6125] setpgid(0, 0./strace-static-x86_64: Process 6127 attached ) = 0 [pid 6125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6127] set_robust_list(0x5555802da660, 24 [pid 6126] <... set_robust_list resumed>) = 0 [pid 6124] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6123] <... bpf resumed>) = 5 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6126 [pid 6127] <... set_robust_list resumed>) = 0 [pid 6126] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6127] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6126] <... prctl resumed>) = 0 [pid 6125] <... openat resumed>) = 3 [pid 6124] <... bpf resumed>) = 5 [pid 6123] exit_group(0 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6127 [pid 6127] <... prctl resumed>) = 0 [pid 6126] setpgid(0, 0 [pid 6125] write(3, "1000", 4 [pid 6127] setpgid(0, 0 [pid 6125] <... write resumed>) = 4 [pid 6124] exit_group(0 [pid 6123] <... exit_group resumed>) = ? [pid 6127] <... setpgid resumed>) = 0 [pid 6126] <... setpgid resumed>) = 0 [pid 6125] close(3) = 0 [pid 6126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6124] <... exit_group resumed>) = ? [pid 6127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6126] <... openat resumed>) = 3 [pid 6126] write(3, "1000", 4 [pid 6125] write(1, "executing program\n", 18executing program [pid 6127] <... openat resumed>) = 3 [pid 6126] <... write resumed>) = 4 [pid 6125] <... write resumed>) = 18 [pid 6125] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6127] write(3, "1000", 4 [pid 6126] close(3 [pid 6125] <... bpf resumed>) = 3 [pid 6127] <... write resumed>) = 4 [pid 6126] <... close resumed>) = 0 [pid 6125] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6127] close(3 executing program [pid 6126] write(1, "executing program\n", 18 [pid 6125] <... bpf resumed>) = 4 [pid 6127] <... close resumed>) = 0 [pid 6126] <... write resumed>) = 18 [pid 6125] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6127] write(1, "executing program\n", 18 [pid 6126] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program [pid 6127] <... write resumed>) = 18 [pid 6126] <... bpf resumed>) = 3 [pid 6127] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6126] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6127] <... bpf resumed>) = 3 [pid 6127] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6126] <... bpf resumed>) = 4 [pid 6124] +++ exited with 0 +++ [pid 6123] +++ exited with 0 +++ [pid 6127] <... bpf resumed>) = 4 [pid 6126] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6123, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6124, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6127] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16./strace-static-x86_64: Process 6129 attached ./strace-static-x86_64: Process 6128 attached [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6129 [pid 6129] set_robust_list(0x5555802da660, 24 [pid 6128] set_robust_list(0x5555802da660, 24 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6128 [pid 6129] <... set_robust_list resumed>) = 0 [pid 6128] <... set_robust_list resumed>) = 0 [pid 6129] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6128] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6129] <... prctl resumed>) = 0 [pid 6128] <... prctl resumed>) = 0 [pid 6129] setpgid(0, 0) = 0 [pid 6128] setpgid(0, 0) = 0 [pid 6129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6127] <... bpf resumed>) = 5 [pid 6126] <... bpf resumed>) = 5 [pid 6125] <... bpf resumed>) = 5 [pid 6129] write(3, "1000", 4 [pid 6126] exit_group(0 [pid 6129] <... write resumed>) = 4 [pid 6128] <... openat resumed>) = 3 [pid 6126] <... exit_group resumed>) = ? [pid 6127] exit_group(0 [pid 6129] close(3 [pid 6128] write(3, "1000", 4 [pid 6126] +++ exited with 0 +++ [pid 6127] <... exit_group resumed>) = ? [pid 6125] exit_group(0 [pid 6129] <... close resumed>) = 0 [pid 6128] <... write resumed>) = 4 [pid 6125] <... exit_group resumed>) = ? [pid 6128] close(3 executing program [pid 6129] write(1, "executing program\n", 18 [pid 6128] <... close resumed>) = 0 [pid 6129] <... write resumed>) = 18 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6126, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6129] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 6129] <... bpf resumed>) = 3 [pid 6127] +++ exited with 0 +++ [pid 6129] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144executing program ) = 4 [pid 6128] write(1, "executing program\n", 18 [pid 6125] +++ exited with 0 +++ [pid 6128] <... write resumed>) = 18 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6127, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6128] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6125, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 6129] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6128] <... bpf resumed>) = 3 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6128] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 6129] <... bpf resumed>) = 5 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5842] <... restart_syscall resumed>) = 0 [pid 6128] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16) = 5 [pid 6129] exit_group(0) = ? [pid 6128] exit_group(0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6128] <... exit_group resumed>) = ? [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6131 attached ./strace-static-x86_64: Process 6132 attached ./strace-static-x86_64: Process 6130 attached [pid 6132] set_robust_list(0x5555802da660, 24 [pid 6131] set_robust_list(0x5555802da660, 24 [pid 6130] set_robust_list(0x5555802da660, 24 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6130 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6132 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6131 [pid 6132] <... set_robust_list resumed>) = 0 [pid 6131] <... set_robust_list resumed>) = 0 [pid 6130] <... set_robust_list resumed>) = 0 [pid 6132] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6131] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6130] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6132] setpgid(0, 0 [pid 6131] <... prctl resumed>) = 0 [pid 6130] <... prctl resumed>) = 0 [pid 6132] <... setpgid resumed>) = 0 [pid 6131] setpgid(0, 0 [pid 6130] setpgid(0, 0 [pid 6132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6131] <... setpgid resumed>) = 0 [pid 6130] <... setpgid resumed>) = 0 [pid 6132] <... openat resumed>) = 3 [pid 6131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6131] <... openat resumed>) = 3 [pid 6132] write(3, "1000", 4 [pid 6130] <... openat resumed>) = 3 [pid 6129] +++ exited with 0 +++ [pid 6128] +++ exited with 0 +++ [pid 6132] <... write resumed>) = 4 [pid 6131] write(3, "1000", 4 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6128, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6132] close(3 [pid 6131] <... write resumed>) = 4 [pid 6132] <... close resumed>) = 0 [pid 6131] close(3 [pid 6130] write(3, "1000", 4 [pid 6132] write(1, "executing program\n", 18 [pid 6131] <... close resumed>) = 0 executing program [pid 6130] <... write resumed>) = 4 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6129, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6130] close(3 [pid 6132] <... write resumed>) = 18 executing program [pid 6131] write(1, "executing program\n", 18 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6132] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6131] <... write resumed>) = 18 [pid 6130] <... close resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6133 attached [pid 6132] <... bpf resumed>) = 3 [pid 6131] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6130] write(1, "executing program\n", 18./strace-static-x86_64: Process 6134 attached [pid 6132] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144executing program [pid 6131] <... bpf resumed>) = 3 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6133 [pid 6134] set_robust_list(0x5555802da660, 24 [pid 6133] set_robust_list(0x5555802da660, 24 [pid 6132] <... bpf resumed>) = 4 [pid 6130] <... write resumed>) = 18 [pid 6134] <... set_robust_list resumed>) = 0 [pid 6133] <... set_robust_list resumed>) = 0 [pid 6131] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6133] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6130] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6134] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6133] <... prctl resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6134 [pid 6134] <... prctl resumed>) = 0 [pid 6133] setpgid(0, 0 [pid 6131] <... bpf resumed>) = 4 [pid 6130] <... bpf resumed>) = 3 [pid 6134] setpgid(0, 0 [pid 6133] <... setpgid resumed>) = 0 [pid 6134] <... setpgid resumed>) = 0 [pid 6132] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6131] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6133] <... openat resumed>) = 3 [pid 6130] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6134] <... openat resumed>) = 3 [pid 6133] write(3, "1000", 4 [pid 6132] <... bpf resumed>) = 5 [pid 6131] <... bpf resumed>) = 5 [pid 6133] <... write resumed>) = 4 [pid 6132] exit_group(0 [pid 6133] close(3 [pid 6132] <... exit_group resumed>) = ? [pid 6130] <... bpf resumed>) = 4 [pid 6134] write(3, "1000", 4 [pid 6133] <... close resumed>) = 0 executing program [pid 6133] write(1, "executing program\n", 18 [pid 6131] exit_group(0 [pid 6133] <... write resumed>) = 18 [pid 6131] <... exit_group resumed>) = ? [pid 6134] <... write resumed>) = 4 [pid 6133] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6130] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 executing program [pid 6134] close(3) = 0 [pid 6133] <... bpf resumed>) = 3 [pid 6134] write(1, "executing program\n", 18 [pid 6133] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6134] <... write resumed>) = 18 [pid 6133] <... bpf resumed>) = 4 [pid 6133] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6134] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6134] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 6132] +++ exited with 0 +++ [pid 6134] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6132, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6131] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6131, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5846] <... restart_syscall resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] <... restart_syscall resumed>) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6135 attached ./strace-static-x86_64: Process 6136 attached [pid 6135] set_robust_list(0x5555802da660, 24 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6136 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6135 [pid 6135] <... set_robust_list resumed>) = 0 [pid 6136] set_robust_list(0x5555802da660, 24 [pid 6135] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6136] <... set_robust_list resumed>) = 0 [pid 6135] <... prctl resumed>) = 0 [pid 6136] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6134] <... bpf resumed>) = 5 [pid 6133] <... bpf resumed>) = 5 [pid 6130] <... bpf resumed>) = 5 [pid 6136] <... prctl resumed>) = 0 [pid 6135] setpgid(0, 0 [pid 6133] exit_group(0 [pid 6136] setpgid(0, 0 [pid 6135] <... setpgid resumed>) = 0 [pid 6134] exit_group(0 [pid 6133] <... exit_group resumed>) = ? [pid 6130] exit_group(0 [pid 6136] <... setpgid resumed>) = 0 [pid 6135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6134] <... exit_group resumed>) = ? [pid 6133] +++ exited with 0 +++ [pid 6130] <... exit_group resumed>) = ? [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6133, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6135] <... openat resumed>) = 3 [pid 6134] +++ exited with 0 +++ [pid 6130] +++ exited with 0 +++ [pid 6136] write(3, "1000", 4 [pid 6135] write(3, "1000", 4 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6130, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6134, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6136] <... write resumed>) = 4 [pid 6135] <... write resumed>) = 4 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6136] close(3 [pid 6135] close(3 [pid 5842] <... restart_syscall resumed>) = 0 [pid 5840] <... restart_syscall resumed>) = 0 [pid 6136] <... close resumed>) = 0 [pid 6135] <... close resumed>) = 0 executing program executing program [pid 6136] write(1, "executing program\n", 18 [pid 6135] write(1, "executing program\n", 18 [pid 6136] <... write resumed>) = 18 [pid 6135] <... write resumed>) = 18 [pid 6136] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6135] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6136] <... bpf resumed>) = 3 [pid 6135] <... bpf resumed>) = 3 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6138 attached ./strace-static-x86_64: Process 6137 attached [pid 6136] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6135] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6138 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6138] set_robust_list(0x5555802da660, 24 [pid 6137] set_robust_list(0x5555802da660, 24 [pid 6136] <... bpf resumed>) = 4 [pid 6135] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 6139 attached [pid 6138] <... set_robust_list resumed>) = 0 [pid 6137] <... set_robust_list resumed>) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6137 [pid 6138] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6137] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6139] set_robust_list(0x5555802da660, 24 [pid 6138] <... prctl resumed>) = 0 [pid 6138] setpgid(0, 0 [pid 6139] <... set_robust_list resumed>) = 0 [pid 6137] <... prctl resumed>) = 0 [pid 6137] setpgid(0, 0 [pid 6138] <... setpgid resumed>) = 0 [pid 6137] <... setpgid resumed>) = 0 [pid 6137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6137] <... openat resumed>) = 3 [pid 6136] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6135] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6139 [pid 6139] <... prctl resumed>) = 0 [pid 6138] <... openat resumed>) = 3 [pid 6137] write(3, "1000", 4 [pid 6136] <... bpf resumed>) = 5 [pid 6135] <... bpf resumed>) = 5 [pid 6139] setpgid(0, 0 [pid 6138] write(3, "1000", 4 [pid 6137] <... write resumed>) = 4 [pid 6139] <... setpgid resumed>) = 0 [pid 6138] <... write resumed>) = 4 [pid 6139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6137] close(3 [pid 6136] exit_group(0 [pid 6135] exit_group(0 [pid 6137] <... close resumed>) = 0 [pid 6136] <... exit_group resumed>) = ? [pid 6135] <... exit_group resumed>) = ? [pid 6139] <... openat resumed>) = 3 [pid 6138] close(3 [pid 6137] write(1, "executing program\n", 18executing program [pid 6136] +++ exited with 0 +++ [pid 6135] +++ exited with 0 +++ [pid 6139] write(3, "1000", 4 [pid 6138] <... close resumed>) = 0 [pid 6137] <... write resumed>) = 18 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6135, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 6139] <... write resumed>) = 4 [pid 6138] write(1, "executing program\n", 18 [pid 6137] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6136, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 6139] close(3 [pid 6138] <... write resumed>) = 18 [pid 6137] <... bpf resumed>) = 3 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6137] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6139] <... close resumed>) = 0 executing program [pid 6138] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5844] <... restart_syscall resumed>) = 0 [pid 6139] write(1, "executing program\n", 18) = 18 [pid 6138] <... bpf resumed>) = 3 [pid 6139] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6138] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6139] <... bpf resumed>) = 3 [pid 6137] <... bpf resumed>) = 4 [pid 6139] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6141 attached ./strace-static-x86_64: Process 6140 attached , child_tidptr=0x5555802da650) = 6141 [pid 6141] set_robust_list(0x5555802da660, 24 [pid 6140] set_robust_list(0x5555802da660, 24 [pid 6139] <... bpf resumed>) = 4 [pid 6138] <... bpf resumed>) = 4 [pid 6137] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6138] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6141] <... set_robust_list resumed>) = 0 [pid 6140] <... set_robust_list resumed>) = 0 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6140 [pid 6141] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6137] <... bpf resumed>) = 5 [pid 6141] <... prctl resumed>) = 0 [pid 6141] setpgid(0, 0 [pid 6140] <... prctl resumed>) = 0 [pid 6141] <... setpgid resumed>) = 0 [pid 6140] setpgid(0, 0 [pid 6141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6140] <... setpgid resumed>) = 0 [pid 6138] <... bpf resumed>) = 5 [pid 6141] <... openat resumed>) = 3 [pid 6140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6139] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6137] exit_group(0 [pid 6141] write(3, "1000", 4 [pid 6137] <... exit_group resumed>) = ? [pid 6141] <... write resumed>) = 4 [pid 6140] <... openat resumed>) = 3 [pid 6141] close(3 [pid 6140] write(3, "1000", 4 [pid 6141] <... close resumed>) = 0 [pid 6138] exit_group(0 executing program [pid 6141] write(1, "executing program\n", 18 [pid 6140] <... write resumed>) = 4 [pid 6141] <... write resumed>) = 18 [pid 6140] close(3 [pid 6138] <... exit_group resumed>) = ? [pid 6141] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6140] <... close resumed>) = 0 executing program [pid 6140] write(1, "executing program\n", 18 [pid 6141] <... bpf resumed>) = 3 [pid 6140] <... write resumed>) = 18 [pid 6140] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6141] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6140] <... bpf resumed>) = 3 [pid 6140] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6141] <... bpf resumed>) = 4 [pid 6139] <... bpf resumed>) = 5 [pid 6137] +++ exited with 0 +++ [pid 6141] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6137, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6140] <... bpf resumed>) = 4 [pid 6139] exit_group(0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6139] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6142 attached [pid 6142] set_robust_list(0x5555802da660, 24) = 0 [pid 6140] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6142] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6142 [pid 6142] <... prctl resumed>) = 0 [pid 6142] setpgid(0, 0) = 0 [pid 6142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6142] write(3, "1000", 4) = 4 [pid 6142] close(3) = 0 [pid 6142] write(1, "executing program\n", 18executing program ) = 18 [pid 6142] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6141] <... bpf resumed>) = 5 [pid 6138] +++ exited with 0 +++ [pid 6142] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6141] exit_group(0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6138, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6141] <... exit_group resumed>) = ? [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 6142] <... bpf resumed>) = 4 [pid 6142] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] <... restart_syscall resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6143 attached [pid 6143] set_robust_list(0x5555802da660, 24 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6143 [pid 6143] <... set_robust_list resumed>) = 0 [pid 6143] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6140] <... bpf resumed>) = 5 [pid 6139] +++ exited with 0 +++ [pid 6143] setpgid(0, 0 [pid 6140] exit_group(0 [pid 6143] <... setpgid resumed>) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6139, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6140] <... exit_group resumed>) = ? [pid 6143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6143] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6144 attached [pid 6144] set_robust_list(0x5555802da660, 24 [pid 6143] write(3, "1000", 4 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6144 [pid 6144] <... set_robust_list resumed>) = 0 [pid 6143] <... write resumed>) = 4 [pid 6144] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6143] close(3 [pid 6144] <... prctl resumed>) = 0 [pid 6143] <... close resumed>) = 0 [pid 6144] setpgid(0, 0 [pid 6143] write(1, "executing program\n", 18executing program ) = 18 [pid 6144] <... setpgid resumed>) = 0 [pid 6144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6143] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6144] <... openat resumed>) = 3 [pid 6144] write(3, "1000", 4 [pid 6143] <... bpf resumed>) = 3 [pid 6144] <... write resumed>) = 4 [pid 6143] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6144] close(3) = 0 [pid 6143] <... bpf resumed>) = 4 executing program [pid 6144] write(1, "executing program\n", 18) = 18 [pid 6144] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6144] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 6143] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6144] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6142] <... bpf resumed>) = 5 [pid 6141] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6141, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6142] exit_group(0) = ? [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6145 attached [pid 6145] set_robust_list(0x5555802da660, 24) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6145 [pid 6145] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6144] <... bpf resumed>) = 5 [pid 6143] <... bpf resumed>) = 5 [pid 6142] +++ exited with 0 +++ [pid 6140] +++ exited with 0 +++ [pid 6145] <... prctl resumed>) = 0 [pid 6144] exit_group(0 [pid 6143] exit_group(0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6140, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- 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] setpgid(0, 0 [pid 6144] <... exit_group resumed>) = ? [pid 6143] <... exit_group resumed>) = ? [pid 6145] <... setpgid resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6146 attached [pid 6145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6146] set_robust_list(0x5555802da660, 24 [pid 6145] <... openat resumed>) = 3 [pid 6144] +++ exited with 0 +++ [pid 6143] +++ exited with 0 +++ [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6146] <... set_robust_list resumed>) = 0 [pid 6145] write(3, "1000", 4 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6143, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6144, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6146] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6145] <... write resumed>) = 4 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6146 ./strace-static-x86_64: Process 6147 attached [pid 6146] <... prctl resumed>) = 0 [pid 6145] close(3 [pid 6147] set_robust_list(0x5555802da660, 24 [pid 6146] setpgid(0, 0 [pid 6145] <... close resumed>) = 0 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6147 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6148 attached executing program [pid 6147] <... set_robust_list resumed>) = 0 [pid 6146] <... setpgid resumed>) = 0 [pid 6145] write(1, "executing program\n", 18 [pid 6146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6145] <... write resumed>) = 18 [pid 6145] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 6149 attached [pid 6148] set_robust_list(0x5555802da660, 24 [pid 6147] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6146] <... openat resumed>) = 3 [pid 6145] <... bpf resumed>) = 3 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6148 [pid 6148] <... set_robust_list resumed>) = 0 [pid 6147] <... prctl resumed>) = 0 [pid 6149] set_robust_list(0x5555802da660, 24 [pid 6146] write(3, "1000", 4 [pid 6145] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6149] <... set_robust_list resumed>) = 0 [pid 6148] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6147] setpgid(0, 0 [pid 6146] <... write resumed>) = 4 [pid 6145] <... bpf resumed>) = 4 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6149 [pid 6149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6148] <... prctl resumed>) = 0 [pid 6147] <... setpgid resumed>) = 0 [pid 6146] close(3executing program ) = 0 [pid 6149] <... prctl resumed>) = 0 [pid 6148] setpgid(0, 0 [pid 6147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6146] write(1, "executing program\n", 18 [pid 6145] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6149] setpgid(0, 0 [pid 6148] <... setpgid resumed>) = 0 [pid 6146] <... write resumed>) = 18 [pid 6149] <... setpgid resumed>) = 0 [pid 6146] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6147] <... openat resumed>) = 3 [pid 6146] <... bpf resumed>) = 3 [pid 6149] <... openat resumed>) = 3 [pid 6148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6147] write(3, "1000", 4 [pid 6146] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6145] <... bpf resumed>) = 5 [pid 6149] write(3, "1000", 4 [pid 6148] <... openat resumed>) = 3 [pid 6147] <... write resumed>) = 4 [pid 6146] <... bpf resumed>) = 4 [pid 6147] close(3 [pid 6148] write(3, "1000", 4 [pid 6147] <... close resumed>) = 0 [pid 6148] <... write resumed>) = 4 [pid 6149] <... write resumed>) = 4 [pid 6146] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6145] exit_group(0 [pid 6149] close(3 [pid 6148] close(3 executing program [pid 6147] write(1, "executing program\n", 18 [pid 6146] <... bpf resumed>) = 5 [pid 6145] <... exit_group resumed>) = ? [pid 6149] <... close resumed>) = 0 [pid 6148] <... close resumed>) = 0 executing program [pid 6147] <... write resumed>) = 18 [pid 6148] write(1, "executing program\n", 18 [pid 6149] write(1, "executing program\n", 18executing program [pid 6148] <... write resumed>) = 18 [pid 6149] <... write resumed>) = 18 [pid 6149] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6148] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6147] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6146] exit_group(0 [pid 6149] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6148] <... bpf resumed>) = 3 [pid 6146] <... exit_group resumed>) = ? [pid 6149] <... bpf resumed>) = 4 [pid 6148] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6147] <... bpf resumed>) = 3 [pid 6149] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6148] <... bpf resumed>) = 4 [pid 6147] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6146] +++ exited with 0 +++ [pid 6145] +++ exited with 0 +++ [pid 6148] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6147] <... bpf resumed>) = 4 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6145, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6146, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6147] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6150 attached , child_tidptr=0x5555802da650) = 6150 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6150] set_robust_list(0x5555802da660, 24) = 0 ./strace-static-x86_64: Process 6151 attached [pid 6150] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6149] <... bpf resumed>) = 5 [pid 6148] <... bpf resumed>) = 5 [pid 6147] <... bpf resumed>) = 5 [pid 6151] set_robust_list(0x5555802da660, 24 [pid 6150] <... prctl resumed>) = 0 [pid 6149] exit_group(0 [pid 6147] exit_group(0 [pid 6148] exit_group(0 [pid 6151] <... set_robust_list resumed>) = 0 [pid 6150] setpgid(0, 0 [pid 6149] <... exit_group resumed>) = ? [pid 6147] <... exit_group resumed>) = ? [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6151 [pid 6151] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6150] <... setpgid resumed>) = 0 [pid 6149] +++ exited with 0 +++ [pid 6148] <... exit_group resumed>) = ? [pid 6151] <... prctl resumed>) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6149, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6151] setpgid(0, 0 [pid 6150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6151] <... setpgid resumed>) = 0 [pid 6150] <... openat resumed>) = 3 [pid 6151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6150] write(3, "1000", 4 [pid 6151] <... openat resumed>) = 3 [pid 6150] <... write resumed>) = 4 [pid 6150] close(3 [pid 6151] write(3, "1000", 4 [pid 6150] <... close resumed>) = 0 [pid 6151] <... write resumed>) = 4 [pid 6150] write(1, "executing program\n", 18executing program [pid 6151] close(3 [pid 6150] <... write resumed>) = 18 [pid 6151] <... close resumed>) = 0 [pid 6150] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program [pid 6151] write(1, "executing program\n", 18 [pid 6150] <... bpf resumed>) = 3 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6151] <... write resumed>) = 18 [pid 6150] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144./strace-static-x86_64: Process 6152 attached [pid 6151] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6150] <... bpf resumed>) = 4 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6152 [pid 6152] set_robust_list(0x5555802da660, 24 [pid 6151] <... bpf resumed>) = 3 [pid 6152] <... set_robust_list resumed>) = 0 [pid 6151] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6152] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6151] <... bpf resumed>) = 4 [pid 6148] +++ exited with 0 +++ [pid 6147] +++ exited with 0 +++ [pid 6152] setpgid(0, 0) = 0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6147, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6151] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6150] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6148, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6152] <... openat resumed>) = 3 [pid 6151] <... bpf resumed>) = 5 [pid 6150] <... bpf resumed>) = 5 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 6152] write(3, "1000", 4 [pid 6150] exit_group(0 [pid 5842] <... restart_syscall resumed>) = 0 [pid 6152] <... write resumed>) = 4 [pid 6151] exit_group(0 [pid 6150] <... exit_group resumed>) = ? [pid 6152] close(3 [pid 6151] <... exit_group resumed>) = ? [pid 6152] <... close resumed>) = 0 [pid 6152] write(1, "executing program\n", 18 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6152] <... write resumed>) = 18 executing program [pid 6152] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6153 attached [pid 6152] <... bpf resumed>) = 3 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6153 ./strace-static-x86_64: Process 6154 attached [pid 6153] set_robust_list(0x5555802da660, 24 [pid 6152] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6154] set_robust_list(0x5555802da660, 24 [pid 6153] <... set_robust_list resumed>) = 0 [pid 6152] <... bpf resumed>) = 4 [pid 6154] <... set_robust_list resumed>) = 0 [pid 6153] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6154 [pid 6153] <... prctl resumed>) = 0 [pid 6153] setpgid(0, 0 [pid 6154] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6153] <... setpgid resumed>) = 0 [pid 6153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6154] <... prctl resumed>) = 0 [pid 6153] <... openat resumed>) = 3 [pid 6152] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6153] write(3, "1000", 4) = 4 [pid 6153] close(3) = 0 executing program [pid 6153] write(1, "executing program\n", 18) = 18 [pid 6153] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6154] setpgid(0, 0 [pid 6153] <... bpf resumed>) = 3 [pid 6151] +++ exited with 0 +++ [pid 6150] +++ exited with 0 +++ [pid 6154] <... setpgid resumed>) = 0 [pid 6153] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6150, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6153] <... bpf resumed>) = 4 [pid 6154] <... openat resumed>) = 3 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6151, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6155 attached [pid 6154] write(3, "1000", 4 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6155] set_robust_list(0x5555802da660, 24 [pid 6154] <... write resumed>) = 4 ./strace-static-x86_64: Process 6156 attached [pid 6155] <... set_robust_list resumed>) = 0 [pid 6154] close(3 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6155 [pid 6154] <... close resumed>) = 0 [pid 6155] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 6154] write(1, "executing program\n", 18 [pid 6156] set_robust_list(0x5555802da660, 24 [pid 6153] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6155] <... prctl resumed>) = 0 [pid 6154] <... write resumed>) = 18 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6156 [pid 6154] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6156] <... set_robust_list resumed>) = 0 [pid 6155] setpgid(0, 0 [pid 6154] <... bpf resumed>) = 3 [pid 6154] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6156] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6155] <... setpgid resumed>) = 0 [pid 6154] <... bpf resumed>) = 4 [pid 6153] <... bpf resumed>) = 5 [pid 6152] <... bpf resumed>) = 5 [pid 6156] <... prctl resumed>) = 0 [pid 6155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6154] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6153] exit_group(0 [pid 6152] exit_group(0 [pid 6156] setpgid(0, 0 [pid 6154] <... bpf resumed>) = 5 [pid 6153] <... exit_group resumed>) = ? [pid 6152] <... exit_group resumed>) = ? [pid 6156] <... setpgid resumed>) = 0 [pid 6155] <... openat resumed>) = 3 [pid 6154] exit_group(0 [pid 6153] +++ exited with 0 +++ [pid 6156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6155] write(3, "1000", 4 [pid 6154] <... exit_group resumed>) = ? [pid 6156] <... openat resumed>) = 3 [pid 6155] <... write resumed>) = 4 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6153, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6155] close(3 [pid 6156] write(3, "1000", 4) = 4 [pid 6155] <... close resumed>) = 0 [pid 5844] restart_syscall(<... resuming interrupted clone ...>executing program [pid 6156] close(3 [pid 6155] write(1, "executing program\n", 18 [pid 6154] +++ exited with 0 +++ [pid 6152] +++ exited with 0 +++ [pid 5844] <... restart_syscall resumed>) = 0 [pid 6156] <... close resumed>) = 0 [pid 6155] <... write resumed>) = 18 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6154, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6156] write(1, "executing program\n", 18 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6152, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6156] <... write resumed>) = 18 [pid 6155] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6157 attached [pid 6156] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 6159 attached ./strace-static-x86_64: Process 6158 attached [pid 6155] <... bpf resumed>) = 3 [pid 6156] <... bpf resumed>) = 3 [pid 6159] set_robust_list(0x5555802da660, 24 [pid 6158] set_robust_list(0x5555802da660, 24 [pid 6159] <... set_robust_list resumed>) = 0 [pid 6158] <... set_robust_list resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6158 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6157 [pid 6159] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6158] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6157] set_robust_list(0x5555802da660, 24 [pid 6156] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6155] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6159 [pid 6159] <... prctl resumed>) = 0 [pid 6158] <... prctl resumed>) = 0 [pid 6157] <... set_robust_list resumed>) = 0 [pid 6159] setpgid(0, 0 [pid 6158] setpgid(0, 0 [pid 6157] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6159] <... setpgid resumed>) = 0 [pid 6158] <... setpgid resumed>) = 0 [pid 6157] <... prctl resumed>) = 0 [pid 6159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6159] <... openat resumed>) = 3 [pid 6158] <... openat resumed>) = 3 [pid 6157] setpgid(0, 0 [pid 6156] <... bpf resumed>) = 4 [pid 6155] <... bpf resumed>) = 4 [pid 6157] <... setpgid resumed>) = 0 [pid 6156] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6155] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6159] write(3, "1000", 4 [pid 6158] write(3, "1000", 4 [pid 6157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6159] <... write resumed>) = 4 [pid 6158] <... write resumed>) = 4 [pid 6159] close(3 [pid 6158] close(3 [pid 6159] <... close resumed>) = 0 [pid 6158] <... close resumed>) = 0 [pid 6157] <... openat resumed>) = 3 executing program executing program [pid 6159] write(1, "executing program\n", 18 [pid 6158] write(1, "executing program\n", 18 [pid 6156] <... bpf resumed>) = 5 [pid 6159] <... write resumed>) = 18 [pid 6158] <... write resumed>) = 18 [pid 6159] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6158] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6157] write(3, "1000", 4 [pid 6156] exit_group(0 [pid 6155] <... bpf resumed>) = 5 [pid 6159] <... bpf resumed>) = 3 [pid 6158] <... bpf resumed>) = 3 [pid 6157] <... write resumed>) = 4 [pid 6156] <... exit_group resumed>) = ? [pid 6157] close(3 [pid 6155] exit_group(0 [pid 6159] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6158] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6159] <... bpf resumed>) = 4 [pid 6158] <... bpf resumed>) = 4 [pid 6157] <... close resumed>) = 0 [pid 6155] <... exit_group resumed>) = ? [pid 6159] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6158] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6157] write(1, "executing program\n", 18executing program ) = 18 [pid 6157] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6156] +++ exited with 0 +++ [pid 6157] <... bpf resumed>) = 3 [pid 6155] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6156, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6155, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6157] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 6159] <... bpf resumed>) = 5 [pid 6158] <... bpf resumed>) = 5 [pid 6157] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16) = 5 [pid 6159] exit_group(0 [pid 6158] exit_group(0 [pid 6157] exit_group(0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6158] <... exit_group resumed>) = ? [pid 6159] <... exit_group resumed>) = ? [pid 6157] <... exit_group resumed>) = ? [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6160 attached [pid 6158] +++ exited with 0 +++ [pid 6160] set_robust_list(0x5555802da660, 24 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6160 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6158, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6160] <... set_robust_list resumed>) = 0 [pid 5842] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6161 attached [pid 6160] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6161 [pid 6161] set_robust_list(0x5555802da660, 24 [pid 6160] <... prctl resumed>) = 0 [pid 6161] <... set_robust_list resumed>) = 0 [pid 6160] setpgid(0, 0 [pid 6161] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6160] <... setpgid resumed>) = 0 [pid 6161] <... prctl resumed>) = 0 [pid 6161] setpgid(0, 0 [pid 6160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6159] +++ exited with 0 +++ [pid 6157] +++ exited with 0 +++ [pid 5842] <... restart_syscall resumed>) = 0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6159, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6157, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6161] <... setpgid resumed>) = 0 [pid 6161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6160] <... openat resumed>) = 3 [pid 6161] write(3, "1000", 4 [pid 6160] write(3, "1000", 4 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6161] <... write resumed>) = 4 [pid 6160] <... write resumed>) = 4 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6162 attached [pid 6161] close(3 [pid 6160] close(3 [pid 6161] <... close resumed>) = 0 [pid 6161] write(1, "executing program\n", 18 [pid 6160] <... close resumed>) = 0 executing program ./strace-static-x86_64: Process 6163 attached [pid 6162] set_robust_list(0x5555802da660, 24 [pid 6161] <... write resumed>) = 18 [pid 6160] write(1, "executing program\n", 18 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6162 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6163] set_robust_list(0x5555802da660, 24 [pid 6162] <... set_robust_list resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6163 [pid 6163] <... set_robust_list resumed>) = 0 executing program ./strace-static-x86_64: Process 6164 attached [pid 6163] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6162] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6161] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6160] <... write resumed>) = 18 [pid 6164] set_robust_list(0x5555802da660, 24 [pid 6163] <... prctl resumed>) = 0 [pid 6162] <... prctl resumed>) = 0 [pid 6161] <... bpf resumed>) = 3 [pid 6160] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6164] <... set_robust_list resumed>) = 0 [pid 6163] setpgid(0, 0 [pid 6162] setpgid(0, 0 [pid 6161] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6160] <... bpf resumed>) = 3 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6164 [pid 6164] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6163] <... setpgid resumed>) = 0 [pid 6162] <... setpgid resumed>) = 0 [pid 6161] <... bpf resumed>) = 4 [pid 6160] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6164] <... prctl resumed>) = 0 [pid 6164] setpgid(0, 0 [pid 6163] <... openat resumed>) = 3 [pid 6164] <... setpgid resumed>) = 0 [pid 6161] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6162] <... openat resumed>) = 3 [pid 6164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6163] write(3, "1000", 4 [pid 6162] write(3, "1000", 4 [pid 6164] <... openat resumed>) = 3 [pid 6163] <... write resumed>) = 4 [pid 6162] <... write resumed>) = 4 [pid 6161] <... bpf resumed>) = 5 [pid 6160] <... bpf resumed>) = 4 [pid 6164] write(3, "1000", 4 [pid 6163] close(3 [pid 6162] close(3 [pid 6164] <... write resumed>) = 4 [pid 6163] <... close resumed>) = 0 [pid 6164] close(3 [pid 6163] write(1, "executing program\n", 18executing program [pid 6162] <... close resumed>) = 0 [pid 6164] <... close resumed>) = 0 [pid 6163] <... write resumed>) = 18 [pid 6162] write(1, "executing program\n", 18executing program [pid 6161] exit_group(0 [pid 6160] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6164] write(1, "executing program\n", 18 executing program [pid 6163] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6162] <... write resumed>) = 18 [pid 6161] <... exit_group resumed>) = ? [pid 6160] <... bpf resumed>) = 5 [pid 6164] <... write resumed>) = 18 [pid 6163] <... bpf resumed>) = 3 [pid 6162] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6164] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6163] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6162] <... bpf resumed>) = 3 [pid 6160] exit_group(0) = ? [pid 6164] <... bpf resumed>) = 3 [pid 6162] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6164] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6163] <... bpf resumed>) = 4 [pid 6164] <... bpf resumed>) = 4 [pid 6163] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6162] <... bpf resumed>) = 4 [pid 6162] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6164] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6161] +++ exited with 0 +++ [pid 6160] +++ exited with 0 +++ [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6161, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6160, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6164] <... bpf resumed>) = 5 [pid 6163] <... bpf resumed>) = 5 [pid 6162] <... bpf resumed>) = 5 [pid 6163] exit_group(0 [pid 6162] exit_group(0./strace-static-x86_64: Process 6165 attached [pid 6164] exit_group(0 [pid 6162] <... exit_group resumed>) = ? [pid 6165] set_robust_list(0x5555802da660, 24 [pid 6164] <... exit_group resumed>) = ? [pid 6163] <... exit_group resumed>) = ? [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6165 [pid 6165] <... set_robust_list resumed>) = 0 [pid 6162] +++ exited with 0 +++ ./strace-static-x86_64: Process 6166 attached [pid 6165] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6162, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6166 [pid 6166] set_robust_list(0x5555802da660, 24 [pid 6165] <... prctl resumed>) = 0 [pid 6166] <... set_robust_list resumed>) = 0 [pid 6165] setpgid(0, 0) = 0 [pid 6166] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6166] <... prctl resumed>) = 0 [pid 6166] setpgid(0, 0 [pid 6165] <... openat resumed>) = 3 [pid 6163] +++ exited with 0 +++ [pid 6165] write(3, "1000", 4 [pid 6166] <... setpgid resumed>) = 0 [pid 6164] +++ exited with 0 +++ [pid 6166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6165] <... write resumed>) = 4 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6163, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6164, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6165] close(3 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 6166] <... openat resumed>) = 3 [pid 6165] <... close resumed>) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] <... restart_syscall resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6167 attached [pid 6166] write(3, "1000", 4 [pid 6165] write(1, "executing program\n", 18executing program [pid 6167] set_robust_list(0x5555802da660, 24 [pid 6166] <... write resumed>) = 4 [pid 6165] <... write resumed>) = 18 [pid 6165] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 6168 attached [pid 6167] <... set_robust_list resumed>) = 0 [pid 6166] close(3 [pid 6165] <... bpf resumed>) = 3 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6168 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6167 ./strace-static-x86_64: Process 6169 attached [pid 6168] set_robust_list(0x5555802da660, 24 [pid 6167] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6166] <... close resumed>) = 0 [pid 6168] <... set_robust_list resumed>) = 0 [pid 6167] <... prctl resumed>) = 0 [pid 6166] write(1, "executing program\n", 18 [pid 6165] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144executing program [pid 6169] set_robust_list(0x5555802da660, 24 [pid 6168] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6169] <... set_robust_list resumed>) = 0 [pid 6168] <... prctl resumed>) = 0 [pid 6167] setpgid(0, 0 [pid 6166] <... write resumed>) = 18 [pid 6165] <... bpf resumed>) = 4 [pid 6168] setpgid(0, 0 [pid 6167] <... setpgid resumed>) = 0 [pid 6166] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6169 [pid 6169] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6168] <... setpgid resumed>) = 0 [pid 6169] <... prctl resumed>) = 0 [pid 6168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6166] <... bpf resumed>) = 3 [pid 6169] setpgid(0, 0) = 0 [pid 6167] <... openat resumed>) = 3 [pid 6166] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6168] <... openat resumed>) = 3 [pid 6169] <... openat resumed>) = 3 [pid 6168] write(3, "1000", 4 [pid 6167] write(3, "1000", 4 [pid 6166] <... bpf resumed>) = 4 [pid 6167] <... write resumed>) = 4 [pid 6167] close(3 [pid 6165] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6169] write(3, "1000", 4 [pid 6168] <... write resumed>) = 4 [pid 6167] <... close resumed>) = 0 [pid 6165] <... bpf resumed>) = 5 executing program [pid 6169] <... write resumed>) = 4 [pid 6168] close(3 [pid 6167] write(1, "executing program\n", 18 [pid 6166] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6165] exit_group(0 [pid 6169] close(3 [pid 6168] <... close resumed>) = 0 [pid 6167] <... write resumed>) = 18 [pid 6169] <... close resumed>) = 0 executing program executing program [pid 6168] write(1, "executing program\n", 18 [pid 6169] write(1, "executing program\n", 18) = 18 [pid 6168] <... write resumed>) = 18 [pid 6167] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6166] <... bpf resumed>) = 5 [pid 6165] <... exit_group resumed>) = ? [pid 6169] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6168] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6167] <... bpf resumed>) = 3 [pid 6169] <... bpf resumed>) = 3 [pid 6168] <... bpf resumed>) = 3 [pid 6169] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6168] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6167] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6166] exit_group(0 [pid 6169] <... bpf resumed>) = 4 [pid 6167] <... bpf resumed>) = 4 [pid 6166] <... exit_group resumed>) = ? [pid 6168] <... bpf resumed>) = 4 [pid 6169] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6168] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6167] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6165] +++ exited with 0 +++ [pid 6169] <... bpf resumed>) = 5 [pid 6168] <... bpf resumed>) = 5 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6165, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6169] exit_group(0 [pid 6168] exit_group(0 [pid 6167] <... bpf resumed>) = 5 [pid 6166] +++ exited with 0 +++ [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6169] <... exit_group resumed>) = ? [pid 6168] <... exit_group resumed>) = ? [pid 6167] exit_group(0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 6167] <... exit_group resumed>) = ? [pid 6169] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6166, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6169, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6170 attached [pid 6170] set_robust_list(0x5555802da660, 24 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6170 [pid 6170] <... set_robust_list resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6170] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6170] setpgid(0, 0./strace-static-x86_64: Process 6171 attached ) = 0 [pid 6171] set_robust_list(0x5555802da660, 24 [pid 6170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6171 [pid 6171] <... set_robust_list resumed>) = 0 [pid 6171] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6170] <... openat resumed>) = 3 [pid 6170] write(3, "1000", 4 [pid 6171] setpgid(0, 0 [pid 6170] <... write resumed>) = 4 [pid 6171] <... setpgid resumed>) = 0 [pid 6170] close(3) = 0 executing program [pid 6170] write(1, "executing program\n", 18 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6172 attached [pid 6171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6170] <... write resumed>) = 18 [pid 6170] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6172] set_robust_list(0x5555802da660, 24 [pid 6171] <... openat resumed>) = 3 [pid 6172] <... set_robust_list resumed>) = 0 [pid 6171] write(3, "1000", 4 [pid 6172] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6171] <... write resumed>) = 4 [pid 6170] <... bpf resumed>) = 3 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6172 [pid 6170] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6172] <... prctl resumed>) = 0 [pid 6171] close(3 [pid 6170] <... bpf resumed>) = 4 [pid 6172] setpgid(0, 0 [pid 6171] <... close resumed>) = 0 [pid 6172] <... setpgid resumed>) = 0 [pid 6171] write(1, "executing program\n", 18executing program [pid 6170] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6171] <... write resumed>) = 18 [pid 6168] +++ exited with 0 +++ [pid 6167] +++ exited with 0 +++ [pid 6172] <... openat resumed>) = 3 [pid 6171] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6168, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6167, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6172] write(3, "1000", 4 [pid 6171] <... bpf resumed>) = 3 [pid 6172] <... write resumed>) = 4 [pid 6171] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6172] close(3 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6173 attached [pid 6172] <... close resumed>) = 0 executing program [pid 6172] write(1, "executing program\n", 18 [pid 6171] <... bpf resumed>) = 4 [pid 6173] set_robust_list(0x5555802da660, 24 [pid 6172] <... write resumed>) = 18 [pid 6173] <... set_robust_list resumed>) = 0 [pid 6171] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16./strace-static-x86_64: Process 6174 attached [pid 6173] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6172] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6174] set_robust_list(0x5555802da660, 24 [pid 6173] <... prctl resumed>) = 0 [pid 6174] <... set_robust_list resumed>) = 0 [pid 6173] setpgid(0, 0 [pid 6172] <... bpf resumed>) = 3 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6173 [pid 6174] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6173] <... setpgid resumed>) = 0 [pid 6172] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6174 [pid 6174] <... prctl resumed>) = 0 [pid 6173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6174] setpgid(0, 0) = 0 [pid 6174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program executing program [pid 6174] write(3, "1000", 4 [pid 6173] <... openat resumed>) = 3 [pid 6172] <... bpf resumed>) = 4 [pid 6174] <... write resumed>) = 4 [pid 6173] write(3, "1000", 4 [pid 6172] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6173] <... write resumed>) = 4 [pid 6174] close(3 [pid 6173] close(3 [pid 6174] <... close resumed>) = 0 [pid 6173] <... close resumed>) = 0 [pid 6174] write(1, "executing program\n", 18) = 18 [pid 6173] write(1, "executing program\n", 18 [pid 6174] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6173] <... write resumed>) = 18 [pid 6174] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6173] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6174] <... bpf resumed>) = 4 [pid 6173] <... bpf resumed>) = 3 [pid 6173] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6174] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16) = 5 [pid 6173] <... bpf resumed>) = 4 [pid 6172] <... bpf resumed>) = 5 [pid 6171] <... bpf resumed>) = 5 [pid 6170] <... bpf resumed>) = 5 [pid 6174] exit_group(0) = ? [pid 6172] exit_group(0 [pid 6170] exit_group(0 [pid 6174] +++ exited with 0 +++ [pid 6173] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6172] <... exit_group resumed>) = ? [pid 6171] exit_group(0 [pid 6170] <... exit_group resumed>) = ? [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6174, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6173] <... bpf resumed>) = 5 [pid 6172] +++ exited with 0 +++ [pid 6171] <... exit_group resumed>) = ? [pid 6170] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6172, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6170, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6173] exit_group(0) = ? [pid 5842] <... restart_syscall resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6176 attached [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6175 attached [pid 6175] set_robust_list(0x5555802da660, 24 [pid 6176] set_robust_list(0x5555802da660, 24 [pid 6175] <... set_robust_list resumed>) = 0 [pid 6176] <... set_robust_list resumed>) = 0 [pid 6175] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6176 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6175 ./strace-static-x86_64: Process 6177 attached [pid 6176] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6175] <... prctl resumed>) = 0 [pid 6177] set_robust_list(0x5555802da660, 24) = 0 [pid 6176] <... prctl resumed>) = 0 [pid 6175] setpgid(0, 0 [pid 6173] +++ exited with 0 +++ [pid 6171] +++ exited with 0 +++ [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6177 [pid 6177] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6176] setpgid(0, 0 [pid 6175] <... setpgid resumed>) = 0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6171, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6177] <... prctl resumed>) = 0 [pid 6177] setpgid(0, 0 [pid 6176] <... setpgid resumed>) = 0 [pid 6175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5846] <... restart_syscall resumed>) = 0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6173, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6177] <... setpgid resumed>) = 0 [pid 6176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6175] <... openat resumed>) = 3 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 6177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] <... restart_syscall resumed>) = 0 [pid 6177] <... openat resumed>) = 3 [pid 6176] <... openat resumed>) = 3 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6177] write(3, "1000", 4 [pid 6176] write(3, "1000", 4 [pid 6175] write(3, "1000", 4 [pid 6177] <... write resumed>) = 4 [pid 6176] <... write resumed>) = 4 [pid 6175] <... write resumed>) = 4 [pid 6177] close(3 [pid 6176] close(3 [pid 6175] close(3 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6178 attached [pid 6177] <... close resumed>) = 0 [pid 6176] <... close resumed>) = 0 [pid 6175] <... close resumed>) = 0 [pid 6177] write(1, "executing program\n", 18 [pid 6176] write(1, "executing program\n", 18executing program executing program executing program [pid 6175] write(1, "executing program\n", 18) = 18 [pid 6177] <... write resumed>) = 18 [pid 6176] <... write resumed>) = 18 [pid 6177] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 6179 attached [pid 6178] set_robust_list(0x5555802da660, 24 [pid 6177] <... bpf resumed>) = 3 [pid 6176] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6175] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6178 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6179 [pid 6179] set_robust_list(0x5555802da660, 24 [pid 6178] <... set_robust_list resumed>) = 0 [pid 6177] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6176] <... bpf resumed>) = 3 [pid 6175] <... bpf resumed>) = 3 [pid 6179] <... set_robust_list resumed>) = 0 [pid 6178] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6179] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6178] <... prctl resumed>) = 0 [pid 6178] setpgid(0, 0 [pid 6179] setpgid(0, 0 [pid 6178] <... setpgid resumed>) = 0 [pid 6177] <... bpf resumed>) = 4 [pid 6176] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6175] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6179] <... setpgid resumed>) = 0 [pid 6178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6178] <... openat resumed>) = 3 [pid 6179] write(3, "1000", 4 [pid 6178] write(3, "1000", 4) = 4 [pid 6179] <... write resumed>) = 4 [pid 6178] close(3 [pid 6179] close(3) = 0 [pid 6178] <... close resumed>) = 0 executing program [pid 6179] write(1, "executing program\n", 18 [pid 6178] write(1, "executing program\n", 18 executing program [pid 6179] <... write resumed>) = 18 [pid 6178] <... write resumed>) = 18 [pid 6179] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6178] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6177] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6176] <... bpf resumed>) = 4 [pid 6175] <... bpf resumed>) = 4 [pid 6179] <... bpf resumed>) = 3 [pid 6178] <... bpf resumed>) = 3 [pid 6177] <... bpf resumed>) = 5 [pid 6176] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6179] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6178] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6177] exit_group(0 [pid 6176] <... bpf resumed>) = 5 [pid 6175] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6177] <... exit_group resumed>) = ? [pid 6176] exit_group(0) = ? [pid 6179] <... bpf resumed>) = 4 [pid 6178] <... bpf resumed>) = 4 [pid 6179] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6178] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6177] +++ exited with 0 +++ [pid 6175] <... bpf resumed>) = 5 [pid 6175] exit_group(0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6177, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6175] <... exit_group resumed>) = ? [pid 5840] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6179] <... bpf resumed>) = 5 [pid 6178] <... bpf resumed>) = 5 [pid 6176] +++ exited with 0 +++ [pid 6175] +++ exited with 0 +++ ./strace-static-x86_64: Process 6180 attached [pid 6179] exit_group(0 [pid 6178] exit_group(0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6176, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6175, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6180] set_robust_list(0x5555802da660, 24 [pid 6179] <... exit_group resumed>) = ? [pid 6178] <... exit_group resumed>) = ? [pid 6180] <... set_robust_list resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6180 [pid 6180] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6181 attached [pid 6180] <... prctl resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6181] set_robust_list(0x5555802da660, 24 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6181 [pid 6180] setpgid(0, 0./strace-static-x86_64: Process 6182 attached [pid 6181] <... set_robust_list resumed>) = 0 [pid 6180] <... setpgid resumed>) = 0 [pid 6182] set_robust_list(0x5555802da660, 24 [pid 6181] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6182 [pid 6182] <... set_robust_list resumed>) = 0 [pid 6181] <... prctl resumed>) = 0 [pid 6180] <... openat resumed>) = 3 [pid 6179] +++ exited with 0 +++ [pid 6182] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6181] setpgid(0, 0 [pid 6180] write(3, "1000", 4 [pid 6178] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6179, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6182] <... prctl resumed>) = 0 [pid 6181] <... setpgid resumed>) = 0 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 6182] setpgid(0, 0 [pid 6181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6180] <... write resumed>) = 4 [pid 5846] --- 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) = 0 executing program [pid 6180] write(1, "executing program\n", 18) = 18 [pid 6180] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6182] <... setpgid resumed>) = 0 [pid 6181] <... openat resumed>) = 3 [pid 6180] <... bpf resumed>) = 3 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6182] 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=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6182] <... openat resumed>) = 3 [pid 6181] write(3, "1000", 4 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5844] <... restart_syscall resumed>) = 0 [pid 6181] <... write resumed>) = 4 [pid 6181] close(3 [pid 6182] write(3, "1000", 4 [pid 6181] <... close resumed>) = 0 [pid 6180] <... bpf resumed>) = 4 [pid 6182] <... write resumed>) = 4 [pid 6181] write(1, "executing program\n", 18executing program [pid 6182] close(3) = 0 [pid 6182] write(1, "executing program\n", 18 [pid 6181] <... write resumed>) = 18 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 6181] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 6184 attached ./strace-static-x86_64: Process 6183 attached [pid 6182] <... write resumed>) = 18 [pid 6180] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6184] set_robust_list(0x5555802da660, 24 [pid 6183] set_robust_list(0x5555802da660, 24 [pid 6182] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6181] <... bpf resumed>) = 3 [pid 6184] <... set_robust_list resumed>) = 0 [pid 6183] <... set_robust_list resumed>) = 0 [pid 6182] <... bpf resumed>) = 3 [pid 6180] <... bpf resumed>) = 5 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6184 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6183 [pid 6184] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6183] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6182] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6184] <... prctl resumed>) = 0 [pid 6183] <... prctl resumed>) = 0 [pid 6182] <... bpf resumed>) = 4 [pid 6181] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6180] exit_group(0 [pid 6184] setpgid(0, 0 [pid 6183] setpgid(0, 0 [pid 6182] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6180] <... exit_group resumed>) = ? [pid 6184] <... setpgid resumed>) = 0 [pid 6183] <... setpgid resumed>) = 0 [pid 6181] <... bpf resumed>) = 4 [pid 6180] +++ exited with 0 +++ [pid 6184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6184] <... openat resumed>) = 3 executing program executing program [pid 6183] <... openat resumed>) = 3 [pid 6184] write(3, "1000", 4 [pid 6181] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6183] write(3, "1000", 4 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6180, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6184] <... write resumed>) = 4 [pid 6183] <... write resumed>) = 4 [pid 6184] close(3 [pid 6183] close(3 [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6184] <... close resumed>) = 0 [pid 6183] <... close resumed>) = 0 [pid 6184] write(1, "executing program\n", 18 [pid 6183] write(1, "executing program\n", 18 [pid 6184] <... write resumed>) = 18 [pid 6183] <... write resumed>) = 18 [pid 6184] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6183] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6184] <... bpf resumed>) = 3 [pid 6184] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6183] <... bpf resumed>) = 3 [pid 5840] <... restart_syscall resumed>) = 0 [pid 6183] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6184] <... bpf resumed>) = 4 [pid 6182] <... bpf resumed>) = 5 [pid 6182] exit_group(0) = ? [pid 6183] <... bpf resumed>) = 4 [pid 6181] <... bpf resumed>) = 5 [pid 6184] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6183] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6181] exit_group(0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6181] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6185 attached [pid 6185] set_robust_list(0x5555802da660, 24) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6185 [pid 6185] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6185] setpgid(0, 0) = 0 [pid 6185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6184] <... bpf resumed>) = 5 [pid 6183] <... bpf resumed>) = 5 [pid 6182] +++ exited with 0 +++ [pid 6181] +++ exited with 0 +++ [pid 6185] <... openat resumed>) = 3 [pid 6184] exit_group(0 [pid 6183] exit_group(0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6181, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6183] <... exit_group resumed>) = ? [pid 6185] write(3, "1000", 4 [pid 6184] <... exit_group resumed>) = ? [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6182, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6185] <... write resumed>) = 4 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6185] close(3 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 6186 attached [pid 6185] <... close resumed>) = 0 [pid 6185] write(1, "executing program\n", 18) = 18 [pid 6185] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6186] set_robust_list(0x5555802da660, 24 [pid 6185] <... bpf resumed>) = 3 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6186 [pid 6186] <... set_robust_list resumed>) = 0 [pid 6185] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6186] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6185] <... bpf resumed>) = 4 [pid 6186] setpgid(0, 0 [pid 6185] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6186] <... setpgid resumed>) = 0 [pid 6184] +++ exited with 0 +++ [pid 6183] +++ exited with 0 +++ [pid 5838] <... restart_syscall resumed>) = 0 [pid 6186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6184, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] --- 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] <... openat resumed>) = 3 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6186] write(3, "1000", 4 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6186] <... write resumed>) = 4 ./strace-static-x86_64: Process 6187 attached [pid 6186] close(3 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6188 attached ./strace-static-x86_64: Process 6189 attached [pid 6187] set_robust_list(0x5555802da660, 24) = 0 [pid 6187] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6186] <... close resumed>) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6187 [pid 6189] set_robust_list(0x5555802da660, 24 [pid 6186] write(1, "executing program\n", 18 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6189 executing program [pid 6189] <... set_robust_list resumed>) = 0 [pid 6188] set_robust_list(0x5555802da660, 24 [pid 6187] <... prctl resumed>) = 0 [pid 6186] <... write resumed>) = 18 [pid 6189] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6188] <... set_robust_list resumed>) = 0 [pid 6187] setpgid(0, 0 [pid 6186] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6188 [pid 6188] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6189] <... prctl resumed>) = 0 [pid 6187] <... setpgid resumed>) = 0 [pid 6189] setpgid(0, 0 [pid 6188] <... prctl resumed>) = 0 [pid 6187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6186] <... bpf resumed>) = 3 [pid 6189] <... setpgid resumed>) = 0 [pid 6188] setpgid(0, 0 [pid 6187] <... openat resumed>) = 3 [pid 6189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6188] <... setpgid resumed>) = 0 [pid 6187] write(3, "1000", 4 [pid 6186] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6189] <... openat resumed>) = 3 [pid 6188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program executing program [pid 6189] write(3, "1000", 4 [pid 6187] <... write resumed>) = 4 [pid 6189] <... write resumed>) = 4 [pid 6188] <... openat resumed>) = 3 [pid 6187] close(3 [pid 6189] close(3 [pid 6187] <... close resumed>) = 0 [pid 6189] <... close resumed>) = 0 [pid 6187] write(1, "executing program\n", 18 [pid 6189] write(1, "executing program\n", 18 [pid 6187] <... write resumed>) = 18 [pid 6189] <... write resumed>) = 18 [pid 6187] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6189] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6187] <... bpf resumed>) = 3 [pid 6189] <... bpf resumed>) = 3 [pid 6187] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6186] <... bpf resumed>) = 4 [pid 6189] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6188] write(3, "1000", 4 [pid 6187] <... bpf resumed>) = 4 [pid 6188] <... write resumed>) = 4 [pid 6186] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6188] close(3 [pid 6189] <... bpf resumed>) = 4 [pid 6188] <... close resumed>) = 0 executing program [pid 6188] write(1, "executing program\n", 18) = 18 [pid 6187] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6188] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6185] <... bpf resumed>) = 5 [pid 6189] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6185] exit_group(0 [pid 6189] <... bpf resumed>) = 5 [pid 6187] <... bpf resumed>) = 5 [pid 6186] <... bpf resumed>) = 5 [pid 6185] <... exit_group resumed>) = ? [pid 6189] exit_group(0 [pid 6188] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6187] exit_group(0 [pid 6186] exit_group(0 [pid 6185] +++ exited with 0 +++ [pid 6189] <... exit_group resumed>) = ? [pid 6187] <... exit_group resumed>) = ? [pid 6189] +++ exited with 0 +++ [pid 6188] <... bpf resumed>) = 4 [pid 6186] <... exit_group resumed>) = ? [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6185, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6189, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6188] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5846] <... restart_syscall resumed>) = 0 [pid 5840] <... restart_syscall resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6191 attached ./strace-static-x86_64: Process 6190 attached [pid 6191] set_robust_list(0x5555802da660, 24 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6190 [pid 6190] set_robust_list(0x5555802da660, 24 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6191 [pid 6191] <... set_robust_list resumed>) = 0 [pid 6190] <... set_robust_list resumed>) = 0 [pid 6191] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6190] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6188] <... bpf resumed>) = 5 [pid 6187] +++ exited with 0 +++ [pid 6191] <... prctl resumed>) = 0 [pid 6190] <... prctl resumed>) = 0 [pid 6188] exit_group(0 [pid 6191] setpgid(0, 0 [pid 6190] setpgid(0, 0 [pid 6188] <... exit_group resumed>) = ? [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6187, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6191] <... setpgid resumed>) = 0 [pid 6190] <... setpgid resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6192 attached [pid 6192] set_robust_list(0x5555802da660, 24 [pid 6191] <... openat resumed>) = 3 [pid 6192] <... set_robust_list resumed>) = 0 [pid 6190] <... openat resumed>) = 3 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6192 [pid 6192] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6190] write(3, "1000", 4 [pid 6192] setpgid(0, 0 [pid 6191] write(3, "1000", 4 [pid 6190] <... write resumed>) = 4 [pid 6192] <... setpgid resumed>) = 0 [pid 6191] <... write resumed>) = 4 [pid 6190] close(3executing program executing program [pid 6191] close(3 [pid 6192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6191] <... close resumed>) = 0 [pid 6190] <... close resumed>) = 0 [pid 6191] write(1, "executing program\n", 18 [pid 6190] write(1, "executing program\n", 18 [pid 6192] <... openat resumed>) = 3 [pid 6191] <... write resumed>) = 18 [pid 6190] <... write resumed>) = 18 [pid 6192] write(3, "1000", 4 [pid 6191] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6190] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6192] <... write resumed>) = 4 [pid 6190] <... bpf resumed>) = 3 [pid 6191] <... bpf resumed>) = 3 [pid 6192] close(3 [pid 6190] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6192] <... close resumed>) = 0 [pid 6191] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6190] <... bpf resumed>) = 4 [pid 6188] +++ exited with 0 +++ executing program [pid 6186] +++ exited with 0 +++ [pid 6192] write(1, "executing program\n", 18) = 18 [pid 6192] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6186, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6192] <... bpf resumed>) = 3 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 6192] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 6191] <... bpf resumed>) = 4 [pid 6190] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6188, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6192] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6191] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5842] <... restart_syscall resumed>) = 0 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6193 attached ./strace-static-x86_64: Process 6194 attached [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6194 [pid 6194] set_robust_list(0x5555802da660, 24 [pid 6193] set_robust_list(0x5555802da660, 24 [pid 6192] <... bpf resumed>) = 5 [pid 6191] <... bpf resumed>) = 5 [pid 6190] <... bpf resumed>) = 5 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6193 [pid 6194] <... set_robust_list resumed>) = 0 [pid 6193] <... set_robust_list resumed>) = 0 [pid 6190] exit_group(0 [pid 6194] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6192] exit_group(0 [pid 6191] exit_group(0 [pid 6190] <... exit_group resumed>) = ? [pid 6194] <... prctl resumed>) = 0 [pid 6193] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6192] <... exit_group resumed>) = ? [pid 6191] <... exit_group resumed>) = ? [pid 6190] +++ exited with 0 +++ [pid 6194] setpgid(0, 0 [pid 6193] <... prctl resumed>) = 0 [pid 6194] <... setpgid resumed>) = 0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6190, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6193] setpgid(0, 0 [pid 6194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6193] <... setpgid resumed>) = 0 [pid 6193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6194] <... openat resumed>) = 3 [pid 6194] write(3, "1000", 4 [pid 6193] <... openat resumed>) = 3 [pid 6194] <... write resumed>) = 4 [pid 6193] write(3, "1000", 4 [pid 6194] close(3) = 0 [pid 6193] <... write resumed>) = 4 executing program [pid 6194] write(1, "executing program\n", 18) = 18 [pid 6193] close(3 [pid 6194] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6193] <... close resumed>) = 0 [pid 6194] <... bpf resumed>) = 3 [pid 6193] write(1, "executing program\n", 18executing program [pid 6194] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6193] <... write resumed>) = 18 [pid 6194] <... bpf resumed>) = 4 [pid 6193] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6192] +++ exited with 0 +++ [pid 6191] +++ exited with 0 +++ [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6192, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6191, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6193] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 6195 attached [pid 6194] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6193] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6195] set_robust_list(0x5555802da660, 24 [pid 6193] <... bpf resumed>) = 4 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6195 [pid 6195] <... set_robust_list resumed>) = 0 [pid 5840] <... restart_syscall resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 6195] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6194] <... bpf resumed>) = 5 [pid 6193] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6195] setpgid(0, 0 [pid 6194] exit_group(0 [pid 6193] <... bpf resumed>) = 5 [pid 6195] <... setpgid resumed>) = 0 [pid 6194] <... exit_group resumed>) = ? [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6196 attached [pid 6195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6193] exit_group(0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6196] set_robust_list(0x5555802da660, 24) = 0 [pid 6195] write(3, "1000", 4 [pid 6193] <... exit_group resumed>) = ? [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6196 ./strace-static-x86_64: Process 6197 attached [pid 6196] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6195] <... write resumed>) = 4 [pid 6197] set_robust_list(0x5555802da660, 24 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6197 [pid 6197] <... set_robust_list resumed>) = 0 [pid 6195] close(3 [pid 6197] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6195] <... close resumed>) = 0 [pid 6197] setpgid(0, 0 [pid 6196] <... prctl resumed>) = 0 [pid 6195] write(1, "executing program\n", 18executing program [pid 6196] setpgid(0, 0 [pid 6195] <... write resumed>) = 18 [pid 6196] <... setpgid resumed>) = 0 [pid 6195] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6197] <... setpgid resumed>) = 0 [pid 6196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6195] <... bpf resumed>) = 3 [pid 6197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6196] <... openat resumed>) = 3 [pid 6195] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6197] <... openat resumed>) = 3 [pid 6196] write(3, "1000", 4 [pid 6195] <... bpf resumed>) = 4 [pid 6197] write(3, "1000", 4 [pid 6196] <... write resumed>) = 4 [pid 6197] <... write resumed>) = 4 [pid 6197] close(3 [pid 6196] close(3 [pid 6197] <... close resumed>) = 0 [pid 6196] <... close resumed>) = 0 executing program [pid 6195] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6197] write(1, "executing program\n", 18 [pid 6196] write(1, "executing program\n", 18 executing program [pid 6197] <... write resumed>) = 18 [pid 6197] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6196] <... write resumed>) = 18 [pid 6196] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6197] <... bpf resumed>) = 3 [pid 6196] <... bpf resumed>) = 3 [pid 6197] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6196] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6194] +++ exited with 0 +++ [pid 6197] <... bpf resumed>) = 4 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6194, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6197] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6193] +++ exited with 0 +++ [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6193, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 6196] <... bpf resumed>) = 4 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5842] <... restart_syscall resumed>) = 0 [pid 6196] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6198 attached [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6198 ./strace-static-x86_64: Process 6199 attached [pid 6198] set_robust_list(0x5555802da660, 24 [pid 6197] <... bpf resumed>) = 5 [pid 6196] <... bpf resumed>) = 5 [pid 6195] <... bpf resumed>) = 5 [pid 6199] set_robust_list(0x5555802da660, 24 [pid 6198] <... set_robust_list resumed>) = 0 [pid 6197] exit_group(0 [pid 6196] exit_group(0 [pid 6195] exit_group(0 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6199 [pid 6199] <... set_robust_list resumed>) = 0 [pid 6198] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6197] <... exit_group resumed>) = ? [pid 6196] <... exit_group resumed>) = ? [pid 6195] <... exit_group resumed>) = ? [pid 6199] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6198] <... prctl resumed>) = 0 [pid 6197] +++ exited with 0 +++ [pid 6196] +++ exited with 0 +++ [pid 6195] +++ exited with 0 +++ [pid 6199] <... prctl resumed>) = 0 [pid 6198] setpgid(0, 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6196, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6199] setpgid(0, 0 [pid 6198] <... setpgid resumed>) = 0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6195, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6197, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6199] <... setpgid resumed>) = 0 [pid 6198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6198] <... openat resumed>) = 3 [pid 6198] write(3, "1000", 4 [pid 6199] <... openat resumed>) = 3 [pid 6198] <... write resumed>) = 4 [pid 6199] write(3, "1000", 4 [pid 6198] close(3 [pid 6199] <... write resumed>) = 4 [pid 6198] <... close resumed>) = 0 [pid 6199] close(3 [pid 6198] write(1, "executing program\n", 18 [pid 6199] <... close resumed>) = 0 [pid 6198] <... write resumed>) = 18 [pid 6199] write(1, "executing program\n", 18executing program executing program ) = 18 [pid 6198] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6199] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6198] <... bpf resumed>) = 3 [pid 6199] <... bpf resumed>) = 3 [pid 6198] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5846] <... restart_syscall resumed>) = 0 [pid 6199] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6198] <... bpf resumed>) = 4 [pid 6198] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6200 attached [pid 6198] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 6201 attached [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6202 attached [pid 6201] set_robust_list(0x5555802da660, 24 [pid 6200] set_robust_list(0x5555802da660, 24 [pid 6199] <... bpf resumed>) = 4 [pid 6198] exit_group(0 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6201 [pid 6202] set_robust_list(0x5555802da660, 24 [pid 6201] <... set_robust_list resumed>) = 0 [pid 6200] <... set_robust_list resumed>) = 0 [pid 6199] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6198] <... exit_group resumed>) = ? [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6202 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6200 [pid 6202] <... set_robust_list resumed>) = 0 [pid 6201] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6200] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6199] <... bpf resumed>) = 5 [pid 6201] <... prctl resumed>) = 0 [pid 6200] <... prctl resumed>) = 0 [pid 6200] setpgid(0, 0 [pid 6202] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6201] setpgid(0, 0 [pid 6202] <... prctl resumed>) = 0 [pid 6202] setpgid(0, 0 [pid 6201] <... setpgid resumed>) = 0 [pid 6200] <... setpgid resumed>) = 0 [pid 6199] exit_group(0 [pid 6202] <... setpgid resumed>) = 0 [pid 6201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6199] <... exit_group resumed>) = ? [pid 6202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6201] <... openat resumed>) = 3 [pid 6200] <... openat resumed>) = 3 [pid 6201] write(3, "1000", 4 [pid 6202] <... openat resumed>) = 3 [pid 6201] <... write resumed>) = 4 [pid 6200] write(3, "1000", 4 [pid 6202] write(3, "1000", 4 [pid 6201] close(3 [pid 6200] <... write resumed>) = 4 executing program [pid 6201] <... close resumed>) = 0 [pid 6200] close(3 [pid 6201] write(1, "executing program\n", 18 [pid 6200] <... close resumed>) = 0 executing program [pid 6202] <... write resumed>) = 4 [pid 6201] <... write resumed>) = 18 [pid 6200] write(1, "executing program\n", 18 [pid 6199] +++ exited with 0 +++ [pid 6198] +++ exited with 0 +++ [pid 6202] close(3 [pid 6201] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6200] <... write resumed>) = 18 [pid 6202] <... close resumed>) = 0 [pid 6200] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6198, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 6202] write(1, "executing program\n", 18 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6199, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6202] <... write resumed>) = 18 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6202] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6201] <... bpf resumed>) = 3 [pid 6200] <... bpf resumed>) = 3 [pid 5842] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6203 attached [pid 6202] <... bpf resumed>) = 3 [pid 6201] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6200] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6203] set_robust_list(0x5555802da660, 24 executing program [pid 6202] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6201] <... bpf resumed>) = 4 [pid 6200] <... bpf resumed>) = 4 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6203 [pid 6203] <... set_robust_list resumed>) = 0 [pid 6203] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6203] setpgid(0, 0) = 0 [pid 6203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6203] write(3, "1000", 4) = 4 [pid 6203] close(3 [pid 6201] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6203] <... close resumed>) = 0 [pid 6200] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6203] write(1, "executing program\n", 18) = 18 [pid 6202] <... bpf resumed>) = 4 [pid 6203] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6202] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6203] <... bpf resumed>) = 3 [pid 5842] <... restart_syscall resumed>) = 0 [pid 6203] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6203] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16./strace-static-x86_64: Process 6204 attached [pid 6202] <... bpf resumed>) = 5 [pid 6201] <... bpf resumed>) = 5 [pid 6200] <... bpf resumed>) = 5 [pid 6204] set_robust_list(0x5555802da660, 24 [pid 6203] <... bpf resumed>) = 5 [pid 6204] <... set_robust_list resumed>) = 0 [pid 6203] exit_group(0 [pid 6202] exit_group(0 [pid 6201] exit_group(0 [pid 6204] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6203] <... exit_group resumed>) = ? [pid 6202] <... exit_group resumed>) = ? [pid 6201] <... exit_group resumed>) = ? [pid 6204] <... prctl resumed>) = 0 [pid 6200] exit_group(0 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6204 [pid 6200] <... exit_group resumed>) = ? [pid 6204] setpgid(0, 0 [pid 6202] +++ exited with 0 +++ [pid 6200] +++ exited with 0 +++ [pid 6203] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6203, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6202, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6201] +++ exited with 0 +++ [pid 6204] <... setpgid resumed>) = 0 [pid 6204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6200, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6201, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6204] <... openat resumed>) = 3 [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6204] write(3, "1000", 4) = 4 [pid 6204] close(3) = 0 [pid 6204] write(1, "executing program\n", 18executing program ) = 18 [pid 6204] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6204] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5840] <... restart_syscall resumed>) = 0 [pid 6204] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6205 attached [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6207 attached ./strace-static-x86_64: Process 6208 attached ./strace-static-x86_64: Process 6206 attached [pid 6207] set_robust_list(0x5555802da660, 24 [pid 6205] set_robust_list(0x5555802da660, 24 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6205 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6206 [pid 6208] set_robust_list(0x5555802da660, 24 [pid 6207] <... set_robust_list resumed>) = 0 [pid 6205] <... set_robust_list resumed>) = 0 [pid 6208] <... set_robust_list resumed>) = 0 [pid 6207] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6206] set_robust_list(0x5555802da660, 24 [pid 6205] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6207] <... prctl resumed>) = 0 [pid 6206] <... set_robust_list resumed>) = 0 [pid 6205] setpgid(0, 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6208 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6207 [pid 6207] setpgid(0, 0 [pid 6206] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6207] <... setpgid resumed>) = 0 [pid 6206] <... prctl resumed>) = 0 [pid 6207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6206] setpgid(0, 0) = 0 [pid 6208] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6207] <... openat resumed>) = 3 [pid 6206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6205] <... setpgid resumed>) = 0 [pid 6208] <... prctl resumed>) = 0 [pid 6207] write(3, "1000", 4 [pid 6208] setpgid(0, 0 [pid 6207] <... write resumed>) = 4 [pid 6206] <... openat resumed>) = 3 [pid 6205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6204] <... bpf resumed>) = 5 [pid 6208] <... setpgid resumed>) = 0 [pid 6208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6207] close(3 [pid 6206] write(3, "1000", 4 [pid 6205] <... openat resumed>) = 3 [pid 6204] exit_group(0 [pid 6208] <... openat resumed>) = 3 [pid 6207] <... close resumed>) = 0 [pid 6206] <... write resumed>) = 4 [pid 6205] write(3, "1000", 4 [pid 6204] <... exit_group resumed>) = ? executing program [pid 6208] write(3, "1000", 4 [pid 6207] write(1, "executing program\n", 18 [pid 6206] close(3 [pid 6205] <... write resumed>) = 4 [pid 6204] +++ exited with 0 +++ [pid 6208] <... write resumed>) = 4 [pid 6207] <... write resumed>) = 18 [pid 6206] <... close resumed>) = 0 [pid 6205] close(3 [pid 6208] close(3 [pid 6207] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6206] write(1, "executing program\n", 18executing program executing program [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6204, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6208] <... close resumed>) = 0 [pid 6207] <... bpf resumed>) = 3 [pid 6206] <... write resumed>) = 18 [pid 6205] <... close resumed>) = 0 [pid 6208] write(1, "executing program\n", 18executing program [pid 6207] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6206] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 6208] <... write resumed>) = 18 [pid 6205] write(1, "executing program\n", 18 [pid 6208] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6205] <... write resumed>) = 18 [pid 6208] <... bpf resumed>) = 3 [pid 6207] <... bpf resumed>) = 4 [pid 6206] <... bpf resumed>) = 3 [pid 6205] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6208] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6205] <... bpf resumed>) = 3 [pid 6206] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6208] <... bpf resumed>) = 4 [pid 6207] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6206] <... bpf resumed>) = 4 [pid 6205] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6208] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6206] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6208] <... bpf resumed>) = 5 [pid 6207] <... bpf resumed>) = 5 [pid 6205] <... bpf resumed>) = 4 [pid 5842] <... restart_syscall resumed>) = 0 [pid 6208] exit_group(0 [pid 6207] exit_group(0 [pid 6206] <... bpf resumed>) = 5 [pid 6208] <... exit_group resumed>) = ? [pid 6207] <... exit_group resumed>) = ? [pid 6206] exit_group(0 [pid 6205] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6208] +++ exited with 0 +++ [pid 6206] <... exit_group resumed>) = ? [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6209 attached [pid 6209] set_robust_list(0x5555802da660, 24 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6209 [pid 6209] <... set_robust_list resumed>) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6208, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6209] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6210 attached ) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6210 [pid 6209] setpgid(0, 0 [pid 6210] set_robust_list(0x5555802da660, 24 [pid 6207] +++ exited with 0 +++ [pid 6205] <... bpf resumed>) = 5 [pid 6209] <... setpgid resumed>) = 0 [pid 6210] <... set_robust_list resumed>) = 0 [pid 6205] exit_group(0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6207, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6210] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6205] <... exit_group resumed>) = ? [pid 6210] <... prctl resumed>) = 0 [pid 6209] <... openat resumed>) = 3 [pid 6210] setpgid(0, 0 [pid 6209] write(3, "1000", 4 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6211 attached [pid 6210] <... setpgid resumed>) = 0 [pid 6209] <... write resumed>) = 4 [pid 6211] set_robust_list(0x5555802da660, 24) = 0 [pid 6210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6209] close(3executing program [pid 6211] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6209] <... close resumed>) = 0 [pid 6211] <... prctl resumed>) = 0 [pid 6209] write(1, "executing program\n", 18 [pid 6210] <... openat resumed>) = 3 [pid 6211] setpgid(0, 0 [pid 6210] write(3, "1000", 4 [pid 6209] <... write resumed>) = 18 [pid 6211] <... setpgid resumed>) = 0 [pid 6211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6210] <... write resumed>) = 4 [pid 6209] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6211 [pid 6211] <... openat resumed>) = 3 [pid 6210] close(3 [pid 6209] <... bpf resumed>) = 3 [pid 6211] write(3, "1000", 4 [pid 6210] <... close resumed>) = 0 [pid 6209] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6211] <... write resumed>) = 4 [pid 6210] write(1, "executing program\n", 18 [pid 6211] close(3) = 0 [pid 6211] write(1, "executing program\n", 18executing program ) = 18 executing program [pid 6211] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6210] <... write resumed>) = 18 [pid 6209] <... bpf resumed>) = 4 [pid 6211] <... bpf resumed>) = 3 [pid 6210] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6209] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6211] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6210] <... bpf resumed>) = 3 [pid 6211] <... bpf resumed>) = 4 [pid 6210] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6211] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6210] <... bpf resumed>) = 4 [pid 6210] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6206] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6206, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 6205] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6205, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6212 attached [pid 6211] <... bpf resumed>) = 5 [pid 6210] <... bpf resumed>) = 5 [pid 6209] <... bpf resumed>) = 5 [pid 6210] exit_group(0 [pid 6209] exit_group(0 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6212 ./strace-static-x86_64: Process 6213 attached [pid 6212] set_robust_list(0x5555802da660, 24 [pid 6211] exit_group(0 [pid 6210] <... exit_group resumed>) = ? [pid 6209] <... exit_group resumed>) = ? [pid 6212] <... set_robust_list resumed>) = 0 [pid 6211] <... exit_group resumed>) = ? [pid 6213] set_robust_list(0x5555802da660, 24 [pid 6212] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6211] +++ exited with 0 +++ [pid 6210] +++ exited with 0 +++ [pid 6209] +++ exited with 0 +++ [pid 6213] <... set_robust_list resumed>) = 0 [pid 6212] <... prctl resumed>) = 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6209, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6211, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6213] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6212] setpgid(0, 0 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6213 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6210, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6213] <... prctl resumed>) = 0 [pid 6212] <... setpgid resumed>) = 0 [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6213] setpgid(0, 0 [pid 6212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6213] <... setpgid resumed>) = 0 [pid 6212] <... openat resumed>) = 3 [pid 6212] write(3, "1000", 4 [pid 6213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] <... restart_syscall resumed>) = 0 [pid 6212] <... write resumed>) = 4 [pid 6212] close(3) = 0 [pid 6212] write(1, "executing program\n", 18executing program ) = 18 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6213] <... openat resumed>) = 3 [pid 6212] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 6215 attached ./strace-static-x86_64: Process 6214 attached [pid 6213] write(3, "1000", 4 [pid 6212] <... bpf resumed>) = 3 [pid 6215] set_robust_list(0x5555802da660, 24 [pid 6214] set_robust_list(0x5555802da660, 24 [pid 6213] <... write resumed>) = 4 [pid 6212] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6214 [pid 6215] <... set_robust_list resumed>) = 0 [pid 6214] <... set_robust_list resumed>) = 0 [pid 6213] close(3 [pid 6212] <... bpf resumed>) = 4 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6215 [pid 6214] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6216 attached [pid 6215] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6214] <... prctl resumed>) = 0 [pid 6213] <... close resumed>) = 0 [pid 6212] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6216] set_robust_list(0x5555802da660, 24 [pid 6215] <... prctl resumed>) = 0 [pid 6214] setpgid(0, 0executing program [pid 6213] write(1, "executing program\n", 18 [pid 6216] <... set_robust_list resumed>) = 0 [pid 6215] setpgid(0, 0 [pid 6214] <... setpgid resumed>) = 0 [pid 6212] <... bpf resumed>) = 5 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6216 [pid 6216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6215] <... setpgid resumed>) = 0 [pid 6214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6213] <... write resumed>) = 18 [pid 6216] <... prctl resumed>) = 0 [pid 6215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6214] <... openat resumed>) = 3 [pid 6213] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6212] exit_group(0 [pid 6216] setpgid(0, 0 [pid 6215] <... openat resumed>) = 3 [pid 6214] write(3, "1000", 4 [pid 6213] <... bpf resumed>) = 3 [pid 6216] <... setpgid resumed>) = 0 [pid 6214] <... write resumed>) = 4 [pid 6212] <... exit_group resumed>) = ? [pid 6215] write(3, "1000", 4 [pid 6216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6213] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6215] <... write resumed>) = 4 [pid 6214] close(3 [pid 6212] +++ exited with 0 +++ [pid 6215] close(3 [pid 6214] <... close resumed>) = 0 [pid 6216] write(3, "1000", 4 [pid 6215] <... close resumed>) = 0 [pid 6214] write(1, "executing program\n", 18 [pid 6213] <... bpf resumed>) = 4 [pid 6216] <... write resumed>) = 4 [pid 6213] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6216] close(3 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6212, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 6216] <... close resumed>) = 0 executing program [pid 6215] write(1, "executing program\n", 18executing program [pid 6214] <... write resumed>) = 18 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6216] write(1, "executing program\n", 18 [pid 6215] <... write resumed>) = 18 [pid 6214] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6216] <... write resumed>) = 18 [pid 6215] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6214] <... bpf resumed>) = 3 [pid 6216] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6215] <... bpf resumed>) = 3 [pid 6214] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6216] <... bpf resumed>) = 3 [pid 6215] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6214] <... bpf resumed>) = 4 [pid 6216] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6215] <... bpf resumed>) = 4 [pid 6214] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6215] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6216] <... bpf resumed>) = 4 [pid 6214] <... bpf resumed>) = 5 [pid 6213] <... bpf resumed>) = 5 [pid 5846] <... restart_syscall resumed>) = 0 [pid 6216] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6215] <... bpf resumed>) = 5 [pid 6214] exit_group(0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6213] exit_group(0 [pid 6216] <... bpf resumed>) = 5 [pid 6215] exit_group(0 [pid 6214] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6217 attached [pid 6216] exit_group(0 [pid 6215] <... exit_group resumed>) = ? [pid 6214] +++ exited with 0 +++ [pid 6213] <... exit_group resumed>) = ? [pid 6217] set_robust_list(0x5555802da660, 24 [pid 6216] <... exit_group resumed>) = ? [pid 6215] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6214, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6217 [pid 6217] <... set_robust_list resumed>) = 0 [pid 6216] +++ exited with 0 +++ [pid 6213] +++ exited with 0 +++ [pid 5840] <... restart_syscall resumed>) = 0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6213, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6217] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6216, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6215, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6217] <... prctl resumed>) = 0 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6219 attached ./strace-static-x86_64: Process 6218 attached [pid 6217] setpgid(0, 0 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6218 [pid 6219] set_robust_list(0x5555802da660, 24 [pid 6218] set_robust_list(0x5555802da660, 24 [pid 6217] <... setpgid resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6219 [pid 6219] <... set_robust_list resumed>) = 0 [pid 6218] <... set_robust_list resumed>) = 0 [pid 6217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 6220 attached [pid 6219] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6218] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6217] write(3, "1000", 4 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6218] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 6221 attached [pid 6220] set_robust_list(0x5555802da660, 24 [pid 6219] <... prctl resumed>) = 0 [pid 6218] setpgid(0, 0 [pid 6217] <... write resumed>) = 4 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6220 [pid 6220] <... set_robust_list resumed>) = 0 [pid 6219] setpgid(0, 0 [pid 6218] <... setpgid resumed>) = 0 [pid 6217] close(3 [pid 6219] <... setpgid resumed>) = 0 [pid 6218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6221] set_robust_list(0x5555802da660, 24 [pid 6219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6218] <... openat resumed>) = 3 [pid 6217] <... close resumed>) = 0 [pid 6221] <... set_robust_list resumed>) = 0 [pid 6220] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6218] write(3, "1000", 4 [pid 6220] <... prctl resumed>) = 0 [pid 6221] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6219] <... openat resumed>) = 3 executing program [pid 6217] write(1, "executing program\n", 18 [pid 6218] <... write resumed>) = 4 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6221 [pid 6220] setpgid(0, 0 [pid 6219] write(3, "1000", 4 [pid 6218] close(3 [pid 6217] <... write resumed>) = 18 [pid 6221] <... prctl resumed>) = 0 [pid 6220] <... setpgid resumed>) = 0 [pid 6219] <... write resumed>) = 4 [pid 6218] <... close resumed>) = 0 [pid 6217] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 6219] close(3 [pid 6218] write(1, "executing program\n", 18 [pid 6217] <... bpf resumed>) = 3 [pid 6221] setpgid(0, 0 [pid 6219] <... close resumed>) = 0 [pid 6218] <... write resumed>) = 18 [pid 6217] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6218] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6221] <... setpgid resumed>) = 0 [pid 6220] <... openat resumed>) = 3 [pid 6219] write(1, "executing program\n", 18 [pid 6221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6220] write(3, "1000", 4 [pid 6218] <... bpf resumed>) = 3 executing program [pid 6219] <... write resumed>) = 18 [pid 6217] <... bpf resumed>) = 4 [pid 6220] <... write resumed>) = 4 [pid 6219] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6221] <... openat resumed>) = 3 [pid 6220] close(3 executing program [pid 6218] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6220] <... close resumed>) = 0 [pid 6220] write(1, "executing program\n", 18 [pid 6219] <... bpf resumed>) = 3 [pid 6219] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6218] <... bpf resumed>) = 4 [pid 6221] write(3, "1000", 4 [pid 6220] <... write resumed>) = 18 [pid 6221] <... write resumed>) = 4 [pid 6220] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6219] <... bpf resumed>) = 4 [pid 6218] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6217] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6221] close(3 [pid 6220] <... bpf resumed>) = 3 [pid 6221] <... close resumed>) = 0 executing program [pid 6220] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6221] write(1, "executing program\n", 18) = 18 [pid 6217] <... bpf resumed>) = 5 [pid 6219] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6221] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6220] <... bpf resumed>) = 4 [pid 6219] <... bpf resumed>) = 5 [pid 6218] <... bpf resumed>) = 5 [pid 6217] exit_group(0 [pid 6221] <... bpf resumed>) = 3 [pid 6220] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6219] exit_group(0 [pid 6217] <... exit_group resumed>) = ? [pid 6221] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6220] <... bpf resumed>) = 5 [pid 6219] <... exit_group resumed>) = ? [pid 6218] exit_group(0 [pid 6220] exit_group(0 [pid 6219] +++ exited with 0 +++ [pid 6217] +++ exited with 0 +++ [pid 6220] <... exit_group resumed>) = ? [pid 6221] <... bpf resumed>) = 4 [pid 6218] <... exit_group resumed>) = ? [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6217, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6221] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6219, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6222 attached [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6222] set_robust_list(0x5555802da660, 24./strace-static-x86_64: Process 6223 attached ) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6222 [pid 6223] set_robust_list(0x5555802da660, 24 [pid 6222] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6220] +++ exited with 0 +++ [pid 6218] +++ exited with 0 +++ [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6223 [pid 6223] <... set_robust_list resumed>) = 0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6218, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6223] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6222] <... prctl resumed>) = 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6220, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6223] <... prctl resumed>) = 0 [pid 6222] setpgid(0, 0 [pid 6223] setpgid(0, 0) = 0 [pid 6223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6222] <... setpgid resumed>) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6224 attached executing program [pid 6223] <... openat resumed>) = 3 [pid 6222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6223] write(3, "1000", 4) = 4 [pid 6223] close(3) = 0 [pid 6223] write(1, "executing program\n", 18) = 18 [pid 6223] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6224] set_robust_list(0x5555802da660, 24) = 0 [pid 6222] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6225 attached [pid 6223] <... bpf resumed>) = 3 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6224 [pid 6225] set_robust_list(0x5555802da660, 24 [pid 6224] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6223] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6222] write(3, "1000", 4 [pid 6225] <... set_robust_list resumed>) = 0 [pid 6224] <... prctl resumed>) = 0 [pid 6223] <... bpf resumed>) = 4 [pid 6222] <... write resumed>) = 4 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6225 [pid 6225] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6224] setpgid(0, 0 [pid 6222] close(3 [pid 6224] <... setpgid resumed>) = 0 [pid 6222] <... close resumed>) = 0 [pid 6225] <... prctl resumed>) = 0 [pid 6222] write(1, "executing program\n", 18 [pid 6225] setpgid(0, 0 [pid 6224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6223] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6221] <... bpf resumed>) = 5 [pid 6225] <... setpgid resumed>) = 0 executing program [pid 6225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6223] <... bpf resumed>) = 5 [pid 6222] <... write resumed>) = 18 [pid 6225] <... openat resumed>) = 3 [pid 6224] <... openat resumed>) = 3 [pid 6221] exit_group(0 [pid 6225] write(3, "1000", 4 [pid 6224] write(3, "1000", 4 [pid 6223] exit_group(0 [pid 6222] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6221] <... exit_group resumed>) = ? [pid 6225] <... write resumed>) = 4 [pid 6224] <... write resumed>) = 4 [pid 6223] <... exit_group resumed>) = ? [pid 6222] <... bpf resumed>) = 3 [pid 6225] close(3 [pid 6224] close(3 executing program [pid 6222] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6225] <... close resumed>) = 0 [pid 6224] <... close resumed>) = 0 [pid 6225] write(1, "executing program\n", 18) = 18 [pid 6225] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6222] <... bpf resumed>) = 4 [pid 6225] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 6224] write(1, "executing program\n", 18 executing program [pid 6222] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6224] <... write resumed>) = 18 [pid 6225] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6224] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6223] +++ exited with 0 +++ [pid 6221] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6223, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6224] <... bpf resumed>) = 3 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6221, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6224] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6226 attached [pid 6226] set_robust_list(0x5555802da660, 24 [pid 6224] <... bpf resumed>) = 4 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6226 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6227 attached [pid 6226] <... set_robust_list resumed>) = 0 [pid 6224] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6226] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6227] set_robust_list(0x5555802da660, 24 [pid 6226] setpgid(0, 0 [pid 6227] <... set_robust_list resumed>) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6227 [pid 6227] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6226] <... setpgid resumed>) = 0 [pid 6227] <... prctl resumed>) = 0 [pid 6226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6227] setpgid(0, 0 [pid 6226] <... openat resumed>) = 3 [pid 6225] <... bpf resumed>) = 5 [pid 6224] <... bpf resumed>) = 5 [pid 6222] <... bpf resumed>) = 5 [pid 6227] <... setpgid resumed>) = 0 [pid 6224] exit_group(0 [pid 6222] exit_group(0 [pid 6227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6224] <... exit_group resumed>) = ? [pid 6227] <... openat resumed>) = 3 [pid 6222] <... exit_group resumed>) = ? [pid 6226] write(3, "1000", 4 [pid 6225] exit_group(0 [pid 6227] write(3, "1000", 4 [pid 6226] <... write resumed>) = 4 [pid 6225] <... exit_group resumed>) = ? [pid 6224] +++ exited with 0 +++ [pid 6227] <... write resumed>) = 4 [pid 6226] close(3executing program [pid 6227] close(3 [pid 6226] <... close resumed>) = 0 [pid 6227] <... close resumed>) = 0 [pid 6226] write(1, "executing program\n", 18executing program [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6224, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6227] write(1, "executing program\n", 18 [pid 6226] <... write resumed>) = 18 [pid 6227] <... write resumed>) = 18 [pid 6226] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 6227] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6226] <... bpf resumed>) = 3 [pid 6227] <... bpf resumed>) = 3 [pid 6226] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6227] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 6227] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6226] <... bpf resumed>) = 4 [pid 6225] +++ exited with 0 +++ [pid 6222] +++ exited with 0 +++ [pid 5844] <... restart_syscall resumed>) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6222, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6226] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6225, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6229 attached ./strace-static-x86_64: Process 6228 attached [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6229 ./strace-static-x86_64: Process 6230 attached [pid 6229] set_robust_list(0x5555802da660, 24 [pid 6228] set_robust_list(0x5555802da660, 24 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6228 [pid 6230] set_robust_list(0x5555802da660, 24 [pid 6229] <... set_robust_list resumed>) = 0 [pid 6228] <... set_robust_list resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6230 [pid 6230] <... set_robust_list resumed>) = 0 [pid 6229] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6228] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6230] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6229] <... prctl resumed>) = 0 [pid 6228] <... prctl resumed>) = 0 [pid 6230] setpgid(0, 0 [pid 6229] setpgid(0, 0 [pid 6228] setpgid(0, 0 [pid 6230] <... setpgid resumed>) = 0 [pid 6229] <... setpgid resumed>) = 0 [pid 6228] <... setpgid resumed>) = 0 [pid 6230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6230] <... openat resumed>) = 3 [pid 6228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6227] <... bpf resumed>) = 5 [pid 6226] <... bpf resumed>) = 5 [pid 6230] write(3, "1000", 4 [pid 6229] <... openat resumed>) = 3 [pid 6228] <... openat resumed>) = 3 [pid 6227] exit_group(0 [pid 6226] exit_group(0 [pid 6230] <... write resumed>) = 4 [pid 6229] write(3, "1000", 4 [pid 6228] write(3, "1000", 4 [pid 6227] <... exit_group resumed>) = ? [pid 6226] <... exit_group resumed>) = ? [pid 6230] close(3 [pid 6229] <... write resumed>) = 4 [pid 6228] <... write resumed>) = 4 [pid 6226] +++ exited with 0 +++ executing program [pid 6230] <... close resumed>) = 0 [pid 6229] close(3 [pid 6228] close(3 [pid 6230] write(1, "executing program\n", 18 [pid 6229] <... close resumed>) = 0 [pid 6228] <... close resumed>) = 0 [pid 6230] <... write resumed>) = 18 [pid 6230] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program [pid 6229] write(1, "executing program\n", 18 [pid 6228] write(1, "executing program\n", 18 [pid 6227] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6226, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 6230] <... bpf resumed>) = 3 [pid 6229] <... write resumed>) = 18 [pid 6228] <... write resumed>) = 18 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6227, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6229] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6228] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6230] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6229] <... bpf resumed>) = 3 [pid 6228] <... bpf resumed>) = 3 [pid 6230] <... bpf resumed>) = 4 [pid 6228] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 6229] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6230] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6228] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6229] <... bpf resumed>) = 4 [pid 6229] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6231 attached [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6231] set_robust_list(0x5555802da660, 24./strace-static-x86_64: Process 6232 attached ) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6231 [pid 6232] set_robust_list(0x5555802da660, 24 [pid 6231] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6230] <... bpf resumed>) = 5 [pid 6229] <... bpf resumed>) = 5 [pid 6228] <... bpf resumed>) = 5 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6232 [pid 6230] exit_group(0) = ? [pid 6229] exit_group(0 [pid 6232] <... set_robust_list resumed>) = 0 [pid 6231] <... prctl resumed>) = 0 [pid 6230] +++ exited with 0 +++ [pid 6229] <... exit_group resumed>) = ? [pid 6228] exit_group(0 [pid 6232] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6231] setpgid(0, 0 [pid 6228] <... exit_group resumed>) = ? [pid 6232] <... prctl resumed>) = 0 [pid 6231] <... setpgid resumed>) = 0 [pid 6232] setpgid(0, 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6230, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6232] <... setpgid resumed>) = 0 [pid 6231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6231] <... openat resumed>) = 3 [pid 6232] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6233 attached [pid 6231] write(3, "1000", 4 [pid 6229] +++ exited with 0 +++ [pid 6228] +++ exited with 0 +++ [pid 6233] set_robust_list(0x5555802da660, 24 [pid 6231] <... write resumed>) = 4 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6228, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6233] <... set_robust_list resumed>) = 0 [pid 6231] close(3 [pid 6233] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6232] write(3, "1000", 4 [pid 6231] <... close resumed>) = 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6229, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6233 [pid 6233] <... prctl resumed>) = 0 [pid 6232] <... write resumed>) = 4 [pid 6231] write(1, "executing program\n", 18 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6233] setpgid(0, 0 [pid 6232] close(3 [pid 6231] <... write resumed>) = 18 [pid 6232] <... close resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6234 attached ./strace-static-x86_64: Process 6235 attached [pid 6233] <... setpgid resumed>) = 0 [pid 6232] write(1, "executing program\n", 18 [pid 6231] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program [pid 6235] set_robust_list(0x5555802da660, 24 [pid 6234] set_robust_list(0x5555802da660, 24 [pid 6233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6232] <... write resumed>) = 18 [pid 6231] <... bpf resumed>) = 3 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6234 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6235 [pid 6235] <... set_robust_list resumed>) = 0 [pid 6234] <... set_robust_list resumed>) = 0 [pid 6233] <... openat resumed>) = 3 [pid 6232] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6231] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6235] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6234] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6233] write(3, "1000", 4 [pid 6232] <... bpf resumed>) = 3 [pid 6232] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6235] <... prctl resumed>) = 0 [pid 6234] <... prctl resumed>) = 0 [pid 6233] <... write resumed>) = 4 [pid 6232] <... bpf resumed>) = 4 [pid 6231] <... bpf resumed>) = 4 [pid 6235] setpgid(0, 0 [pid 6234] setpgid(0, 0 [pid 6233] close(3 [pid 6235] <... setpgid resumed>) = 0 [pid 6234] <... setpgid resumed>) = 0 [pid 6233] <... close resumed>) = 0 executing program [pid 6234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6233] write(1, "executing program\n", 18 [pid 6231] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6233] <... write resumed>) = 18 [pid 6235] <... openat resumed>) = 3 [pid 6233] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6235] write(3, "1000", 4 [pid 6234] <... openat resumed>) = 3 [pid 6235] <... write resumed>) = 4 [pid 6233] <... bpf resumed>) = 3 [pid 6234] write(3, "1000", 4 [pid 6235] close(3 [pid 6234] <... write resumed>) = 4 [pid 6233] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6232] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6235] <... close resumed>) = 0 [pid 6234] close(3 [pid 6235] write(1, "executing program\n", 18executing program ) = 18 [pid 6235] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6234] <... close resumed>) = 0 [pid 6233] <... bpf resumed>) = 4 [pid 6235] <... bpf resumed>) = 3 executing program [pid 6234] write(1, "executing program\n", 18 [pid 6233] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6234] <... write resumed>) = 18 [pid 6235] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6234] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6235] <... bpf resumed>) = 4 [pid 6234] <... bpf resumed>) = 3 [pid 6234] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6232] <... bpf resumed>) = 5 [pid 6231] <... bpf resumed>) = 5 [pid 6233] <... bpf resumed>) = 5 [pid 6231] exit_group(0 [pid 6234] <... bpf resumed>) = 4 [pid 6233] exit_group(0 [pid 6234] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6233] <... exit_group resumed>) = ? [pid 6234] <... bpf resumed>) = 5 [pid 6235] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6232] exit_group(0 [pid 6231] <... exit_group resumed>) = ? [pid 6235] <... bpf resumed>) = 5 [pid 6234] exit_group(0 [pid 6233] +++ exited with 0 +++ [pid 6232] <... exit_group resumed>) = ? [pid 6235] exit_group(0 [pid 6234] <... exit_group resumed>) = ? [pid 6232] +++ exited with 0 +++ [pid 6231] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6233, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6235] <... exit_group resumed>) = ? [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6232, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6231, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6235] +++ exited with 0 +++ [pid 6234] +++ exited with 0 +++ ./strace-static-x86_64: Process 6236 attached ./strace-static-x86_64: Process 6237 attached ./strace-static-x86_64: Process 6238 attached [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6234, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6235, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6237 ./strace-static-x86_64: Process 6239 attached [pid 6238] set_robust_list(0x5555802da660, 24 [pid 6237] set_robust_list(0x5555802da660, 24 [pid 6236] set_robust_list(0x5555802da660, 24 [pid 6238] <... set_robust_list resumed>) = 0 [pid 6237] <... set_robust_list resumed>) = 0 [pid 6236] <... set_robust_list resumed>) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6238 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6239] set_robust_list(0x5555802da660, 24./strace-static-x86_64: Process 6240 attached [pid 6238] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6237] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6236] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6239 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6236 [pid 6240] set_robust_list(0x5555802da660, 24 [pid 6239] <... set_robust_list resumed>) = 0 [pid 6238] <... prctl resumed>) = 0 [pid 6237] <... prctl resumed>) = 0 [pid 6236] <... prctl resumed>) = 0 [pid 6240] <... set_robust_list resumed>) = 0 [pid 6239] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6238] setpgid(0, 0 [pid 6237] setpgid(0, 0 [pid 6236] setpgid(0, 0 [pid 6240] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6239] <... prctl resumed>) = 0 [pid 6238] <... setpgid resumed>) = 0 [pid 6237] <... setpgid resumed>) = 0 [pid 6236] <... setpgid resumed>) = 0 [pid 6239] setpgid(0, 0 [pid 6238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6240 [pid 6240] <... prctl resumed>) = 0 [pid 6239] <... setpgid resumed>) = 0 [pid 6238] <... openat resumed>) = 3 [pid 6237] <... openat resumed>) = 3 [pid 6236] <... openat resumed>) = 3 [pid 6240] setpgid(0, 0 [pid 6239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6240] <... setpgid resumed>) = 0 [pid 6238] write(3, "1000", 4 [pid 6236] write(3, "1000", 4 [pid 6240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6239] <... openat resumed>) = 3 [pid 6238] <... write resumed>) = 4 [pid 6237] write(3, "1000", 4 [pid 6236] <... write resumed>) = 4 [pid 6238] close(3 [pid 6237] <... write resumed>) = 4 [pid 6236] close(3 [pid 6239] write(3, "1000", 4 [pid 6238] <... close resumed>) = 0 [pid 6240] <... openat resumed>) = 3 [pid 6237] close(3 [pid 6236] <... close resumed>) = 0 [pid 6237] <... close resumed>) = 0 [pid 6240] write(3, "1000", 4 [pid 6239] <... write resumed>) = 4 executing program executing program [pid 6238] write(1, "executing program\n", 18 [pid 6236] write(1, "executing program\n", 18 [pid 6240] <... write resumed>) = 4 [pid 6239] close(3 [pid 6238] <... write resumed>) = 18 executing program [pid 6237] write(1, "executing program\n", 18 [pid 6236] <... write resumed>) = 18 [pid 6240] close(3 [pid 6239] <... close resumed>) = 0 [pid 6238] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6237] <... write resumed>) = 18 [pid 6236] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6240] <... close resumed>) = 0 [pid 6239] write(1, "executing program\n", 18 [pid 6238] <... bpf resumed>) = 3 [pid 6237] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program executing program [pid 6240] write(1, "executing program\n", 18 [pid 6239] <... write resumed>) = 18 [pid 6238] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6237] <... bpf resumed>) = 3 [pid 6236] <... bpf resumed>) = 3 [pid 6240] <... write resumed>) = 18 [pid 6239] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6238] <... bpf resumed>) = 4 [pid 6240] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6239] <... bpf resumed>) = 3 [pid 6237] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6236] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6240] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6239] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6238] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6237] <... bpf resumed>) = 4 [pid 6236] <... bpf resumed>) = 4 [pid 6238] <... bpf resumed>) = 5 [pid 6240] <... bpf resumed>) = 4 [pid 6238] exit_group(0 [pid 6239] <... bpf resumed>) = 4 [pid 6238] <... exit_group resumed>) = ? [pid 6237] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6236] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6240] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6236] <... bpf resumed>) = 5 [pid 6237] <... bpf resumed>) = 5 [pid 6238] +++ exited with 0 +++ [pid 6237] exit_group(0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6238, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6240] <... bpf resumed>) = 5 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6240] exit_group(0 [pid 6239] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6237] <... exit_group resumed>) = ? [pid 6236] exit_group(0 [pid 6240] <... exit_group resumed>) = ? [pid 6240] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6240, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 6239] <... bpf resumed>) = 5 [pid 6237] +++ exited with 0 +++ [pid 6236] <... exit_group resumed>) = ? [pid 6239] exit_group(0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6237, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6239] <... exit_group resumed>) = ? [pid 5846] <... restart_syscall resumed>) = 0 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5844] <... restart_syscall resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6241 attached [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6242 ./strace-static-x86_64: Process 6243 attached ./strace-static-x86_64: Process 6242 attached [pid 6241] set_robust_list(0x5555802da660, 24 [pid 6239] +++ exited with 0 +++ [pid 6236] +++ exited with 0 +++ [pid 6243] set_robust_list(0x5555802da660, 24 [pid 6242] set_robust_list(0x5555802da660, 24 [pid 6241] <... set_robust_list resumed>) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6241 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6239, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6236, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6243 [pid 6243] <... set_robust_list resumed>) = 0 [pid 6242] <... set_robust_list resumed>) = 0 [pid 6241] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6243] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6242] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6241] <... prctl resumed>) = 0 [pid 6243] <... prctl resumed>) = 0 [pid 6242] <... prctl resumed>) = 0 [pid 6241] setpgid(0, 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6243] setpgid(0, 0 [pid 6241] <... setpgid resumed>) = 0 [pid 6243] <... setpgid resumed>) = 0 [pid 6243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6242] setpgid(0, 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6244 attached ./strace-static-x86_64: Process 6245 attached [pid 6243] <... openat resumed>) = 3 [pid 6242] <... setpgid resumed>) = 0 [pid 6241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6245] set_robust_list(0x5555802da660, 24 [pid 6244] set_robust_list(0x5555802da660, 24 [pid 6243] write(3, "1000", 4 [pid 6242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6245] <... set_robust_list resumed>) = 0 [pid 6244] <... set_robust_list resumed>) = 0 [pid 6243] <... write resumed>) = 4 [pid 6242] write(3, "1000", 4 [pid 6241] <... openat resumed>) = 3 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6245 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6244 [pid 6245] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6244] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6243] close(3 [pid 6242] <... write resumed>) = 4 [pid 6241] write(3, "1000", 4 [pid 6245] <... prctl resumed>) = 0 [pid 6244] <... prctl resumed>) = 0 [pid 6243] <... close resumed>) = 0 [pid 6242] close(3 [pid 6241] <... write resumed>) = 4 [pid 6245] setpgid(0, 0 [pid 6244] setpgid(0, 0 [pid 6243] write(1, "executing program\n", 18 [pid 6242] <... close resumed>) = 0 [pid 6241] close(3executing program [pid 6245] <... setpgid resumed>) = 0 [pid 6244] <... setpgid resumed>) = 0 executing program [pid 6243] <... write resumed>) = 18 [pid 6242] write(1, "executing program\n", 18 [pid 6241] <... close resumed>) = 0 [pid 6245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6243] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6242] <... write resumed>) = 18 executing program [pid 6241] write(1, "executing program\n", 18 [pid 6245] <... openat resumed>) = 3 [pid 6244] <... openat resumed>) = 3 [pid 6243] <... bpf resumed>) = 3 [pid 6242] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6241] <... write resumed>) = 18 [pid 6245] write(3, "1000", 4 [pid 6244] write(3, "1000", 4 [pid 6243] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6242] <... bpf resumed>) = 3 executing program [pid 6241] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6245] <... write resumed>) = 4 [pid 6244] <... write resumed>) = 4 [pid 6243] <... bpf resumed>) = 4 [pid 6245] close(3 [pid 6244] close(3 [pid 6242] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6245] <... close resumed>) = 0 [pid 6245] write(1, "executing program\n", 18) = 18 [pid 6244] <... close resumed>) = 0 [pid 6242] <... bpf resumed>) = 4 [pid 6241] <... bpf resumed>) = 3 [pid 6245] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6244] write(1, "executing program\n", 18 [pid 6241] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 executing program [pid 6243] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6242] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6245] <... bpf resumed>) = 3 [pid 6244] <... write resumed>) = 18 [pid 6245] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6244] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6242] <... bpf resumed>) = 5 [pid 6241] <... bpf resumed>) = 4 [pid 6244] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6243] <... bpf resumed>) = 5 [pid 6242] exit_group(0 [pid 6241] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6242] <... exit_group resumed>) = ? [pid 6245] <... bpf resumed>) = 4 [pid 6244] <... bpf resumed>) = 4 [pid 6243] exit_group(0) = ? [pid 6245] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6244] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6245] <... bpf resumed>) = 5 [pid 6243] +++ exited with 0 +++ [pid 6242] +++ exited with 0 +++ [pid 6241] <... bpf resumed>) = 5 [pid 6244] <... bpf resumed>) = 5 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6243, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6245] exit_group(0 [pid 6244] exit_group(0 [pid 6241] exit_group(0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6242, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6245] <... exit_group resumed>) = ? [pid 6244] <... exit_group resumed>) = ? [pid 6241] <... exit_group resumed>) = ? [pid 6244] +++ exited with 0 +++ [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6244, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6246 attached ./strace-static-x86_64: Process 6247 attached [pid 6246] set_robust_list(0x5555802da660, 24 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6246 [pid 6247] set_robust_list(0x5555802da660, 24 [pid 6246] <... set_robust_list resumed>) = 0 [pid 6245] +++ exited with 0 +++ [pid 6241] +++ exited with 0 +++ [pid 6247] <... set_robust_list resumed>) = 0 [pid 6246] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6247 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6245, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6247] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6246] <... prctl resumed>) = 0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6241, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6247] setpgid(0, 0 [pid 6246] setpgid(0, 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6247] <... setpgid resumed>) = 0 [pid 6246] <... setpgid resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6247] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6249 attached ./strace-static-x86_64: Process 6248 attached [pid 6246] <... openat resumed>) = 3 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6249] set_robust_list(0x5555802da660, 24 [pid 6247] write(3, "1000", 4 [pid 6246] write(3, "1000", 4 [pid 6249] <... set_robust_list resumed>) = 0 [pid 6247] <... write resumed>) = 4 [pid 6246] <... write resumed>) = 4 ./strace-static-x86_64: Process 6250 attached [pid 6247] close(3 [pid 6246] close(3 [pid 6250] set_robust_list(0x5555802da660, 24 [pid 6249] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6247] <... close resumed>) = 0 [pid 6246] <... close resumed>) = 0 [pid 6250] <... set_robust_list resumed>) = 0 executing program executing program [pid 6249] <... prctl resumed>) = 0 [pid 6247] write(1, "executing program\n", 18 [pid 6246] write(1, "executing program\n", 18 [pid 6250] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6249] setpgid(0, 0 [pid 6247] <... write resumed>) = 18 [pid 6246] <... write resumed>) = 18 [pid 6247] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6246] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6248] set_robust_list(0x5555802da660, 24 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6249 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6248 [pid 6248] <... set_robust_list resumed>) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6250 [pid 6250] <... prctl resumed>) = 0 [pid 6249] <... setpgid resumed>) = 0 [pid 6248] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6247] <... bpf resumed>) = 3 [pid 6246] <... bpf resumed>) = 3 [pid 6250] setpgid(0, 0 [pid 6249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6248] <... prctl resumed>) = 0 [pid 6247] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6246] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6250] <... setpgid resumed>) = 0 [pid 6249] <... openat resumed>) = 3 [pid 6248] setpgid(0, 0 [pid 6247] <... bpf resumed>) = 4 [pid 6246] <... bpf resumed>) = 4 [pid 6250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6248] <... setpgid resumed>) = 0 [pid 6249] write(3, "1000", 4) = 4 [pid 6249] close(3executing program [pid 6250] <... openat resumed>) = 3 [pid 6249] <... close resumed>) = 0 [pid 6248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6249] write(1, "executing program\n", 18 [pid 6250] write(3, "1000", 4 [pid 6249] <... write resumed>) = 18 [pid 6249] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6250] <... write resumed>) = 4 [pid 6249] <... bpf resumed>) = 3 [pid 6248] <... openat resumed>) = 3 [pid 6247] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6246] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6250] close(3 [pid 6249] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6248] write(3, "1000", 4 [pid 6247] <... bpf resumed>) = 5 [pid 6246] <... bpf resumed>) = 5 [pid 6250] <... close resumed>) = 0 [pid 6248] <... write resumed>) = 4 [pid 6248] close(3executing program [pid 6250] write(1, "executing program\n", 18 [pid 6248] <... close resumed>) = 0 [pid 6247] exit_group(0 [pid 6246] exit_group(0 [pid 6250] <... write resumed>) = 18 executing program [pid 6249] <... bpf resumed>) = 4 [pid 6248] write(1, "executing program\n", 18 [pid 6247] <... exit_group resumed>) = ? [pid 6246] <... exit_group resumed>) = ? [pid 6250] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6249] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6248] <... write resumed>) = 18 [pid 6248] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6248] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6246] +++ exited with 0 +++ [pid 6250] <... bpf resumed>) = 3 [pid 6247] +++ exited with 0 +++ [pid 6250] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6247, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6246, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6250] <... bpf resumed>) = 4 [pid 6248] <... bpf resumed>) = 4 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6250] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6248] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6252 attached ./strace-static-x86_64: Process 6251 attached [pid 6249] <... bpf resumed>) = 5 [pid 6252] set_robust_list(0x5555802da660, 24) = 0 [pid 6248] <... bpf resumed>) = 5 [pid 6251] set_robust_list(0x5555802da660, 24 [pid 6250] <... bpf resumed>) = 5 [pid 6249] exit_group(0 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6252 [pid 6251] <... set_robust_list resumed>) = 0 [pid 6250] exit_group(0 [pid 6249] <... exit_group resumed>) = ? [pid 6248] exit_group(0 [pid 6251] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6250] <... exit_group resumed>) = ? [pid 6252] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6251 [pid 6252] <... prctl resumed>) = 0 [pid 6251] <... prctl resumed>) = 0 [pid 6249] +++ exited with 0 +++ [pid 6248] <... exit_group resumed>) = ? [pid 6252] setpgid(0, 0 [pid 6251] setpgid(0, 0 [pid 6252] <... setpgid resumed>) = 0 [pid 6252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6251] <... setpgid resumed>) = 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6249, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6252] <... openat resumed>) = 3 [pid 6252] write(3, "1000", 4 [pid 6251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 6251] <... openat resumed>) = 3 [pid 6252] <... write resumed>) = 4 [pid 6251] write(3, "1000", 4 [pid 6252] close(3) = 0 [pid 6251] <... write resumed>) = 4 [pid 6252] write(1, "executing program\n", 18executing program ) = 18 [pid 6251] close(3 [pid 5842] <... restart_syscall resumed>) = 0 [pid 6252] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6251] <... close resumed>) = 0 executing program [pid 6252] <... bpf resumed>) = 3 [pid 6251] write(1, "executing program\n", 18) = 18 [pid 6252] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6251] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6252] <... bpf resumed>) = 4 [pid 6250] +++ exited with 0 +++ [pid 6248] +++ exited with 0 +++ [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6251] <... bpf resumed>) = 3 [pid 6251] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144./strace-static-x86_64: Process 6253 attached ) = 4 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6250, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6248, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6252] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6251] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6253] set_robust_list(0x5555802da660, 24 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6253 [pid 5840] <... restart_syscall resumed>) = 0 [pid 6253] <... set_robust_list resumed>) = 0 [pid 6253] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6253] setpgid(0, 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6254 attached [pid 6253] <... setpgid resumed>) = 0 [pid 6254] set_robust_list(0x5555802da660, 24 [pid 6253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6254 ./strace-static-x86_64: Process 6255 attached [pid 6254] <... set_robust_list resumed>) = 0 [pid 6253] write(3, "1000", 4 [pid 6252] <... bpf resumed>) = 5 [pid 6251] <... bpf resumed>) = 5 [pid 6253] <... write resumed>) = 4 [pid 6252] exit_group(0 [pid 6251] exit_group(0 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6255 [pid 6255] set_robust_list(0x5555802da660, 24 [pid 6254] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6253] close(3 [pid 6255] <... set_robust_list resumed>) = 0 [pid 6254] <... prctl resumed>) = 0 [pid 6253] <... close resumed>) = 0 [pid 6252] <... exit_group resumed>) = ? [pid 6251] <... exit_group resumed>) = ? [pid 6255] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6254] setpgid(0, 0 [pid 6253] write(1, "executing program\n", 18 [pid 6255] <... prctl resumed>) = 0 executing program [pid 6254] <... setpgid resumed>) = 0 [pid 6255] setpgid(0, 0 [pid 6254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6253] <... write resumed>) = 18 [pid 6255] <... setpgid resumed>) = 0 [pid 6253] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6253] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6254] <... openat resumed>) = 3 [pid 6253] <... bpf resumed>) = 4 [pid 6255] <... openat resumed>) = 3 [pid 6254] write(3, "1000", 4 [pid 6253] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6255] write(3, "1000", 4 [pid 6254] <... write resumed>) = 4 [pid 6255] <... write resumed>) = 4 [pid 6255] close(3 [pid 6254] close(3 [pid 6255] <... close resumed>) = 0 [pid 6254] <... close resumed>) = 0 [pid 6255] write(1, "executing program\n", 18 [pid 6254] write(1, "executing program\n", 18executing program executing program [pid 6255] <... write resumed>) = 18 [pid 6254] <... write resumed>) = 18 [pid 6252] +++ exited with 0 +++ [pid 6255] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6254] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6252, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6255] <... bpf resumed>) = 3 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 6251] +++ exited with 0 +++ [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6251, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6255] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6254] <... bpf resumed>) = 3 [pid 6254] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6255] <... bpf resumed>) = 4 [pid 6254] <... bpf resumed>) = 4 [pid 6255] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6254] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6257 attached [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6257 ./strace-static-x86_64: Process 6258 attached [pid 6257] set_robust_list(0x5555802da660, 24 [pid 6255] <... bpf resumed>) = 5 [pid 6254] <... bpf resumed>) = 5 [pid 6253] <... bpf resumed>) = 5 [pid 6258] set_robust_list(0x5555802da660, 24 [pid 6257] <... set_robust_list resumed>) = 0 [pid 6255] exit_group(0 [pid 6254] exit_group(0 [pid 6258] <... set_robust_list resumed>) = 0 [pid 6257] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6255] <... exit_group resumed>) = ? [pid 6258] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6257] <... prctl resumed>) = 0 [pid 6254] <... exit_group resumed>) = ? [pid 6253] exit_group(0 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6258 [pid 6258] <... prctl resumed>) = 0 [pid 6257] setpgid(0, 0 [pid 6255] +++ exited with 0 +++ [pid 6254] +++ exited with 0 +++ [pid 6253] <... exit_group resumed>) = ? [pid 6258] setpgid(0, 0 [pid 6257] <... setpgid resumed>) = 0 [pid 6253] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6254, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6255, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6258] <... setpgid resumed>) = 0 [pid 6257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6253, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6258] <... openat resumed>) = 3 [pid 6257] <... openat resumed>) = 3 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 6258] write(3, "1000", 4) = 4 [pid 6257] write(3, "1000", 4 [pid 6258] close(3 [pid 6257] <... write resumed>) = 4 [pid 6258] <... close resumed>) = 0 [pid 6257] close(3 [pid 6258] write(1, "executing program\n", 18executing program executing program ) = 18 [pid 6257] <... close resumed>) = 0 [pid 6257] write(1, "executing program\n", 18) = 18 [pid 6258] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6257] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6258] <... bpf resumed>) = 3 [pid 6258] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6257] <... bpf resumed>) = 3 [pid 6257] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 6258] <... bpf resumed>) = 4 [pid 6258] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6257] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6258] <... bpf resumed>) = 5 [pid 5842] <... restart_syscall resumed>) = 0 [pid 6258] exit_group(0 [pid 6257] <... bpf resumed>) = 5 [pid 6258] <... exit_group resumed>) = ? [pid 6257] exit_group(0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6257] <... exit_group resumed>) = ? [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6259 attached ./strace-static-x86_64: Process 6261 attached ./strace-static-x86_64: Process 6260 attached [pid 6259] set_robust_list(0x5555802da660, 24 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6259 [pid 6261] set_robust_list(0x5555802da660, 24 [pid 6259] <... set_robust_list resumed>) = 0 [pid 6260] set_robust_list(0x5555802da660, 24 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6261 [pid 6261] <... set_robust_list resumed>) = 0 [pid 6260] <... set_robust_list resumed>) = 0 [pid 6259] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6260 [pid 6259] <... prctl resumed>) = 0 [pid 6261] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6260] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6259] setpgid(0, 0 [pid 6261] setpgid(0, 0 [pid 6260] <... prctl resumed>) = 0 [pid 6259] <... setpgid resumed>) = 0 [pid 6261] <... setpgid resumed>) = 0 [pid 6260] setpgid(0, 0 [pid 6259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6260] <... setpgid resumed>) = 0 [pid 6259] <... openat resumed>) = 3 [pid 6258] +++ exited with 0 +++ [pid 6257] +++ exited with 0 +++ [pid 6261] <... openat resumed>) = 3 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6258, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6257, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6261] write(3, "1000", 4 [pid 6260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6259] write(3, "1000", 4 [pid 5844] restart_syscall(<... resuming interrupted clone ...>executing program executing program [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6261] <... write resumed>) = 4 [pid 6260] <... openat resumed>) = 3 [pid 6259] <... write resumed>) = 4 [pid 6261] close(3 [pid 6260] write(3, "1000", 4 [pid 6259] close(3 [pid 6261] <... close resumed>) = 0 [pid 6260] <... write resumed>) = 4 [pid 6261] write(1, "executing program\n", 18 [pid 6259] <... close resumed>) = 0 [pid 6261] <... write resumed>) = 18 [pid 6260] close(3 [pid 6259] write(1, "executing program\n", 18 [pid 6261] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6260] <... close resumed>) = 0 [pid 6259] <... write resumed>) = 18 executing program [pid 6261] <... bpf resumed>) = 3 [pid 6260] write(1, "executing program\n", 18 [pid 6259] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6261] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6260] <... write resumed>) = 18 [pid 6259] <... bpf resumed>) = 3 [pid 6260] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6261] <... bpf resumed>) = 4 [pid 6260] <... bpf resumed>) = 3 [pid 6259] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 6261] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6260] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6259] <... bpf resumed>) = 4 [pid 6260] <... bpf resumed>) = 4 [pid 6261] <... bpf resumed>) = 5 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6261] exit_group(0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6262 attached [pid 6262] set_robust_list(0x5555802da660, 24 [pid 6261] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6263 attached [pid 6262] <... set_robust_list resumed>) = 0 [pid 6260] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6259] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6262 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6263 [pid 6262] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6260] <... bpf resumed>) = 5 [pid 6260] exit_group(0 [pid 6263] set_robust_list(0x5555802da660, 24 [pid 6262] <... prctl resumed>) = 0 [pid 6263] <... set_robust_list resumed>) = 0 [pid 6262] setpgid(0, 0 [pid 6260] <... exit_group resumed>) = ? [pid 6263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6262] <... setpgid resumed>) = 0 [pid 6263] setpgid(0, 0 [pid 6262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6263] <... setpgid resumed>) = 0 [pid 6262] <... openat resumed>) = 3 [pid 6263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6262] write(3, "1000", 4 [pid 6263] <... openat resumed>) = 3 [pid 6262] <... write resumed>) = 4 [pid 6262] close(3executing program ) = 0 [pid 6263] write(3, "1000", 4 [pid 6262] write(1, "executing program\n", 18 [pid 6263] <... write resumed>) = 4 [pid 6262] <... write resumed>) = 18 [pid 6261] +++ exited with 0 +++ [pid 6263] close(3 [pid 6262] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6259] <... bpf resumed>) = 5 [pid 6263] <... close resumed>) = 0 executing program [pid 6263] write(1, "executing program\n", 18 [pid 6262] <... bpf resumed>) = 3 [pid 6263] <... write resumed>) = 18 [pid 6263] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6262] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6261, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6263] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6262] <... bpf resumed>) = 4 [pid 6259] exit_group(0 [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6263] <... bpf resumed>) = 4 [pid 6259] <... exit_group resumed>) = ? [pid 6262] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6263] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5840] <... restart_syscall resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6264 attached [pid 6264] set_robust_list(0x5555802da660, 24) = 0 [pid 6262] <... bpf resumed>) = 5 [pid 6260] +++ exited with 0 +++ [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6264 [pid 6264] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6262] exit_group(0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6260, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6264] <... prctl resumed>) = 0 [pid 6262] <... exit_group resumed>) = ? [pid 6264] setpgid(0, 0) = 0 [pid 6264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6264] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6265 attached [pid 6263] <... bpf resumed>) = 5 [pid 6259] +++ exited with 0 +++ [pid 6265] set_robust_list(0x5555802da660, 24 [pid 6264] write(3, "1000", 4 [pid 6263] exit_group(0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6259, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6265 [pid 6265] <... set_robust_list resumed>) = 0 [pid 6264] <... write resumed>) = 4 [pid 6263] <... exit_group resumed>) = ? [pid 6265] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6264] close(3) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6265] <... prctl resumed>) = 0 executing program [pid 6264] write(1, "executing program\n", 18 [pid 6265] setpgid(0, 0) = 0 [pid 6264] <... write resumed>) = 18 [pid 6265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6264] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 6266 attached [pid 6265] <... openat resumed>) = 3 [pid 6264] <... bpf resumed>) = 3 [pid 6266] set_robust_list(0x5555802da660, 24 [pid 6265] write(3, "1000", 4 [pid 6264] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6266 [pid 6266] <... set_robust_list resumed>) = 0 [pid 6265] <... write resumed>) = 4 [pid 6266] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6264] <... bpf resumed>) = 4 [pid 6266] <... prctl resumed>) = 0 [pid 6265] close(3 [pid 6266] setpgid(0, 0 [pid 6265] <... close resumed>) = 0 executing program [pid 6266] <... setpgid resumed>) = 0 [pid 6265] write(1, "executing program\n", 18 [pid 6266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6265] <... write resumed>) = 18 [pid 6265] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6266] <... openat resumed>) = 3 [pid 6265] <... bpf resumed>) = 3 [pid 6264] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6266] write(3, "1000", 4 [pid 6265] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6266] <... write resumed>) = 4 [pid 6265] <... bpf resumed>) = 4 [pid 6266] close(3executing program ) = 0 [pid 6266] write(1, "executing program\n", 18) = 18 [pid 6266] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6266] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6265] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6263] +++ exited with 0 +++ [pid 6262] +++ exited with 0 +++ [pid 6266] <... bpf resumed>) = 4 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6262, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6263, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6267 attached ./strace-static-x86_64: Process 6268 attached [pid 6266] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6267] set_robust_list(0x5555802da660, 24 [pid 6268] set_robust_list(0x5555802da660, 24 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6267 [pid 6268] <... set_robust_list resumed>) = 0 [pid 6267] <... set_robust_list resumed>) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6268 [pid 6268] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6267] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6268] <... prctl resumed>) = 0 [pid 6267] <... prctl resumed>) = 0 [pid 6268] setpgid(0, 0 [pid 6267] setpgid(0, 0 [pid 6268] <... setpgid resumed>) = 0 [pid 6267] <... setpgid resumed>) = 0 [pid 6268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6268] <... openat resumed>) = 3 [pid 6267] <... openat resumed>) = 3 [pid 6268] write(3, "1000", 4 [pid 6267] write(3, "1000", 4 [pid 6266] <... bpf resumed>) = 5 [pid 6265] <... bpf resumed>) = 5 [pid 6264] <... bpf resumed>) = 5 [pid 6268] <... write resumed>) = 4 [pid 6267] <... write resumed>) = 4 [pid 6266] exit_group(0 [pid 6265] exit_group(0 [pid 6268] close(3 [pid 6267] close(3 [pid 6266] <... exit_group resumed>) = ? [pid 6265] <... exit_group resumed>) = ? [pid 6264] exit_group(0 [pid 6268] <... close resumed>) = 0 [pid 6267] <... close resumed>) = 0 [pid 6266] +++ exited with 0 +++ [pid 6265] +++ exited with 0 +++ [pid 6264] <... exit_group resumed>) = ? executing program [pid 6268] write(1, "executing program\n", 18 [pid 6267] write(1, "executing program\n", 18 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6265, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6267] <... write resumed>) = 18 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6266, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 6268] <... write resumed>) = 18 [pid 6267] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6268] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6264] +++ exited with 0 +++ [pid 6268] <... bpf resumed>) = 3 [pid 6267] <... bpf resumed>) = 3 [pid 6267] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6264, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6268] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6267] <... bpf resumed>) = 4 [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6267] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6268] <... bpf resumed>) = 4 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5840] <... restart_syscall resumed>) = 0 [pid 6268] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6269 attached ./strace-static-x86_64: Process 6270 attached [pid 6270] set_robust_list(0x5555802da660, 24./strace-static-x86_64: Process 6271 attached [pid 6269] set_robust_list(0x5555802da660, 24 [pid 6270] <... set_robust_list resumed>) = 0 [pid 6268] <... bpf resumed>) = 5 [pid 6267] <... bpf resumed>) = 5 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6270 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6269 [pid 6271] set_robust_list(0x5555802da660, 24 [pid 6268] exit_group(0 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6271 [pid 6271] <... set_robust_list resumed>) = 0 [pid 6268] <... exit_group resumed>) = ? [pid 6271] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6269] <... set_robust_list resumed>) = 0 [pid 6270] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6267] exit_group(0 [pid 6269] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6270] <... prctl resumed>) = 0 [pid 6268] +++ exited with 0 +++ [pid 6271] <... prctl resumed>) = 0 [pid 6267] <... exit_group resumed>) = ? [pid 6271] setpgid(0, 0 [pid 6269] <... prctl resumed>) = 0 [pid 6270] setpgid(0, 0 [pid 6267] +++ exited with 0 +++ [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6268, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6271] <... setpgid resumed>) = 0 [pid 6269] setpgid(0, 0 [pid 6270] <... setpgid resumed>) = 0 [pid 6271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6269] <... setpgid resumed>) = 0 [pid 6270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6267, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6271] <... openat resumed>) = 3 [pid 6269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6270] <... openat resumed>) = 3 [pid 6271] write(3, "1000", 4 [pid 6269] <... openat resumed>) = 3 [pid 6270] write(3, "1000", 4 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 6271] <... write resumed>) = 4 [pid 6271] close(3 [pid 6269] write(3, "1000", 4 [pid 6270] <... write resumed>) = 4 [pid 6271] <... close resumed>) = 0 [pid 6269] <... write resumed>) = 4 [pid 6270] close(3 [pid 6271] write(1, "executing program\n", 18executing program executing program executing program ) = 18 [pid 6269] close(3 [pid 6270] <... close resumed>) = 0 [pid 6269] <... close resumed>) = 0 [pid 6271] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6269] write(1, "executing program\n", 18 [pid 6270] write(1, "executing program\n", 18 [pid 6271] <... bpf resumed>) = 3 [pid 6269] <... write resumed>) = 18 [pid 6270] <... write resumed>) = 18 [pid 6271] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6269] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6270] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6269] <... bpf resumed>) = 3 [pid 6270] <... bpf resumed>) = 3 [pid 6271] <... bpf resumed>) = 4 [pid 6269] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6270] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6271] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6269] <... bpf resumed>) = 4 [pid 6270] <... bpf resumed>) = 4 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6272 attached [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6272] set_robust_list(0x5555802da660, 24 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6272 ./strace-static-x86_64: Process 6273 attached [pid 6272] <... set_robust_list resumed>) = 0 [pid 6273] set_robust_list(0x5555802da660, 24 [pid 6272] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6269] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6273 [pid 6273] <... set_robust_list resumed>) = 0 [pid 6272] <... prctl resumed>) = 0 [pid 6273] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6272] setpgid(0, 0 [pid 6273] <... prctl resumed>) = 0 [pid 6273] setpgid(0, 0 [pid 6272] <... setpgid resumed>) = 0 [pid 6270] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6273] <... setpgid resumed>) = 0 [pid 6272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6272] <... openat resumed>) = 3 [pid 6273] <... openat resumed>) = 3 [pid 6271] <... bpf resumed>) = 5 [pid 6269] <... bpf resumed>) = 5 [pid 6270] <... bpf resumed>) = 5 [pid 6272] write(3, "1000", 4 [pid 6273] write(3, "1000", 4 [pid 6271] exit_group(0 [pid 6273] <... write resumed>) = 4 [pid 6272] <... write resumed>) = 4 [pid 6271] <... exit_group resumed>) = ? [pid 6273] close(3 [pid 6272] close(3 [pid 6269] exit_group(0 [pid 6270] exit_group(0 [pid 6273] <... close resumed>) = 0 [pid 6272] <... close resumed>) = 0 [pid 6271] +++ exited with 0 +++ [pid 6269] <... exit_group resumed>) = ? executing program executing program [pid 6270] <... exit_group resumed>) = ? [pid 6273] write(1, "executing program\n", 18 [pid 6272] write(1, "executing program\n", 18 [pid 6273] <... write resumed>) = 18 [pid 6272] <... write resumed>) = 18 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6271, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6273] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6272] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6273] <... bpf resumed>) = 3 [pid 6272] <... bpf resumed>) = 3 [pid 6273] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6272] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6273] <... bpf resumed>) = 4 [pid 6272] <... bpf resumed>) = 4 [pid 6273] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6272] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6269] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6269, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6270] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6270, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5840] <... restart_syscall resumed>) = 0 [pid 6273] <... bpf resumed>) = 5 [pid 6272] <... bpf resumed>) = 5 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6274 attached [pid 6273] exit_group(0 [pid 6272] exit_group(0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6274] set_robust_list(0x5555802da660, 24 [pid 6272] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6276 attached ./strace-static-x86_64: Process 6275 attached [pid 6274] <... set_robust_list resumed>) = 0 [pid 6273] <... exit_group resumed>) = ? [pid 6272] +++ exited with 0 +++ [pid 6276] set_robust_list(0x5555802da660, 24 [pid 6275] set_robust_list(0x5555802da660, 24 [pid 6274] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6274 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6272, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6274] setpgid(0, 0 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6274] <... setpgid resumed>) = 0 [pid 6273] +++ exited with 0 +++ [pid 6276] <... set_robust_list resumed>) = 0 [pid 6275] <... set_robust_list resumed>) = 0 [pid 6274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6276 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6275 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6273, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6276] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6274] <... openat resumed>) = 3 [pid 6276] <... prctl resumed>) = 0 [pid 6275] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6274] write(3, "1000", 4 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 6276] setpgid(0, 0 [pid 6275] <... prctl resumed>) = 0 [pid 6274] <... write resumed>) = 4 [pid 6276] <... setpgid resumed>) = 0 [pid 6275] setpgid(0, 0) = 0 [pid 6274] close(3 [pid 6275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6274] <... close resumed>) = 0 executing program [pid 6276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6275] <... openat resumed>) = 3 [pid 6274] write(1, "executing program\n", 18executing program executing program [pid 6276] <... openat resumed>) = 3 [pid 6274] <... write resumed>) = 18 [pid 6275] write(3, "1000", 4 [pid 6276] write(3, "1000", 4 [pid 6275] <... write resumed>) = 4 [pid 6276] <... write resumed>) = 4 [pid 6275] close(3 [pid 6276] close(3 [pid 6275] <... close resumed>) = 0 [pid 6276] <... close resumed>) = 0 [pid 6275] write(1, "executing program\n", 18 [pid 6276] write(1, "executing program\n", 18 [pid 6275] <... write resumed>) = 18 [pid 6276] <... write resumed>) = 18 [pid 6276] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6275] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6274] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6276] <... bpf resumed>) = 3 [pid 6275] <... bpf resumed>) = 3 [pid 6274] <... bpf resumed>) = 3 [pid 6274] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6276] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6275] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6274] <... bpf resumed>) = 4 [pid 5838] <... restart_syscall resumed>) = 0 [pid 6274] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6276] <... bpf resumed>) = 4 [pid 6275] <... bpf resumed>) = 4 [pid 5844] <... restart_syscall resumed>) = 0 [pid 6275] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6274] <... bpf resumed>) = 5 [pid 6276] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6275] <... bpf resumed>) = 5 [pid 6274] exit_group(0 [pid 6276] <... bpf resumed>) = 5 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6276] exit_group(0 [pid 6275] exit_group(0 [pid 6274] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6278 attached ./strace-static-x86_64: Process 6277 attached [pid 6275] <... exit_group resumed>) = ? [pid 6277] set_robust_list(0x5555802da660, 24 [pid 6276] <... exit_group resumed>) = ? [pid 6274] +++ exited with 0 +++ [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6278 [pid 6278] set_robust_list(0x5555802da660, 24 [pid 6277] <... set_robust_list resumed>) = 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6274, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6278] <... set_robust_list resumed>) = 0 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 6278] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6277] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6277 [pid 6278] <... prctl resumed>) = 0 [pid 6277] <... prctl resumed>) = 0 [pid 5842] <... restart_syscall resumed>) = 0 [pid 6277] setpgid(0, 0 [pid 6278] setpgid(0, 0 [pid 6277] <... setpgid resumed>) = 0 [pid 6278] <... setpgid resumed>) = 0 [pid 6277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6277] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6279 attached [pid 6278] <... openat resumed>) = 3 [pid 6277] write(3, "1000", 4 [pid 6278] write(3, "1000", 4 [pid 6277] <... write resumed>) = 4 [pid 6279] set_robust_list(0x5555802da660, 24 [pid 6277] close(3 [pid 6278] <... write resumed>) = 4 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6279 [pid 6279] <... set_robust_list resumed>) = 0 [pid 6278] close(3 [pid 6277] <... close resumed>) = 0 [pid 6279] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6278] <... close resumed>) = 0 [pid 6279] <... prctl resumed>) = 0 executing program executing program [pid 6279] setpgid(0, 0 [pid 6278] write(1, "executing program\n", 18 [pid 6277] write(1, "executing program\n", 18 [pid 6279] <... setpgid resumed>) = 0 [pid 6277] <... write resumed>) = 18 [pid 6278] <... write resumed>) = 18 [pid 6279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 6277] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6279] <... openat resumed>) = 3 [pid 6278] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6277] <... bpf resumed>) = 3 [pid 6279] write(3, "1000", 4) = 4 [pid 6279] close(3) = 0 [pid 6279] write(1, "executing program\n", 18) = 18 [pid 6279] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6279] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6275] +++ exited with 0 +++ [pid 6278] <... bpf resumed>) = 3 [pid 6277] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6276] +++ exited with 0 +++ [pid 6278] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6276, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6279] <... bpf resumed>) = 4 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6275, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6278] <... bpf resumed>) = 4 [pid 6277] <... bpf resumed>) = 4 [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6278] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5840] <... restart_syscall resumed>) = 0 [pid 6277] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6279] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6278] <... bpf resumed>) = 5 [pid 6277] <... bpf resumed>) = 5 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6280 attached [pid 6279] <... bpf resumed>) = 5 [pid 6278] exit_group(0 [pid 6277] exit_group(0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6280] set_robust_list(0x5555802da660, 24 [pid 6279] exit_group(0 [pid 6278] <... exit_group resumed>) = ? [pid 6280] <... set_robust_list resumed>) = 0 [pid 6279] <... exit_group resumed>) = ? [pid 6277] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6281 attached [pid 6280] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6279] +++ exited with 0 +++ [pid 6278] +++ exited with 0 +++ [pid 6277] +++ exited with 0 +++ [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6280 [pid 6280] <... prctl resumed>) = 0 [pid 6281] set_robust_list(0x5555802da660, 24 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6281 [pid 6281] <... set_robust_list resumed>) = 0 [pid 6280] setpgid(0, 0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6277, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6279, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6278, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6281] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6280] <... setpgid resumed>) = 0 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6281] <... prctl resumed>) = 0 [pid 6280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6281] setpgid(0, 0 [pid 6280] <... openat resumed>) = 3 [pid 6281] <... setpgid resumed>) = 0 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5842] <... restart_syscall resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 6281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6280] write(3, "1000", 4) = 4 [pid 6280] close(3 [pid 6281] write(3, "1000", 4 [pid 6280] <... close resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6281] <... write resumed>) = 4 [pid 6280] write(1, "executing program\n", 18executing program executing program [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6282 attached [pid 6281] close(3 [pid 6280] <... write resumed>) = 18 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6281] <... close resumed>) = 0 [pid 6281] write(1, "executing program\n", 18) = 18 [pid 6281] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6282 [pid 6280] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 6284 attached ./strace-static-x86_64: Process 6283 attached [pid 6282] set_robust_list(0x5555802da660, 24 [pid 6281] <... bpf resumed>) = 3 [pid 6283] set_robust_list(0x5555802da660, 24 [pid 6281] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6284] set_robust_list(0x5555802da660, 24 [pid 6283] <... set_robust_list resumed>) = 0 [pid 6282] <... set_robust_list resumed>) = 0 [pid 6281] <... bpf resumed>) = 4 [pid 6280] <... bpf resumed>) = 3 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6283 [pid 6284] <... set_robust_list resumed>) = 0 [pid 6283] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6282] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6280] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6284] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6282] <... prctl resumed>) = 0 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6284 [pid 6283] <... prctl resumed>) = 0 [pid 6283] setpgid(0, 0 [pid 6282] setpgid(0, 0 [pid 6284] <... prctl resumed>) = 0 [pid 6283] <... setpgid resumed>) = 0 [pid 6282] <... setpgid resumed>) = 0 [pid 6284] setpgid(0, 0 [pid 6283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6284] <... setpgid resumed>) = 0 [pid 6283] <... openat resumed>) = 3 [pid 6284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6282] <... openat resumed>) = 3 [pid 6281] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6280] <... bpf resumed>) = 4 [pid 6282] write(3, "1000", 4) = 4 [pid 6282] close(3 [pid 6283] write(3, "1000", 4 [pid 6282] <... close resumed>) = 0 [pid 6281] <... bpf resumed>) = 5 [pid 6280] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6284] <... openat resumed>) = 3 [pid 6283] <... write resumed>) = 4 [pid 6283] close(3 [pid 6280] <... bpf resumed>) = 5 [pid 6284] write(3, "1000", 4 [pid 6283] <... close resumed>) = 0 executing program [pid 6282] write(1, "executing program\n", 18 [pid 6281] exit_group(0 [pid 6284] <... write resumed>) = 4 [pid 6282] <... write resumed>) = 18 [pid 6284] close(3 [pid 6283] write(1, "executing program\n", 18executing program [pid 6282] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6281] <... exit_group resumed>) = ? [pid 6280] exit_group(0 [pid 6284] <... close resumed>) = 0 [pid 6283] <... write resumed>) = 18 [pid 6282] <... bpf resumed>) = 3 [pid 6284] write(1, "executing program\n", 18 [pid 6283] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program [pid 6280] <... exit_group resumed>) = ? [pid 6284] <... write resumed>) = 18 [pid 6282] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6284] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6283] <... bpf resumed>) = 3 [pid 6283] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6284] <... bpf resumed>) = 3 [pid 6284] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6282] <... bpf resumed>) = 4 [pid 6281] +++ exited with 0 +++ [pid 6283] <... bpf resumed>) = 4 [pid 6284] <... bpf resumed>) = 4 [pid 6282] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6280] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6281, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6284] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6283] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6280, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6284] <... bpf resumed>) = 5 [pid 6283] <... bpf resumed>) = 5 [pid 6282] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 6286 attached [pid 6284] exit_group(0 [pid 6283] exit_group(0 [pid 6282] exit_group(0 [pid 6286] set_robust_list(0x5555802da660, 24 [pid 6284] <... exit_group resumed>) = ? [pid 6283] <... exit_group resumed>) = ? [pid 6286] <... set_robust_list resumed>) = 0 [pid 6282] <... exit_group resumed>) = ? [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6286 [pid 6286] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6284] +++ exited with 0 +++ [pid 6286] <... prctl resumed>) = 0 [pid 6286] setpgid(0, 0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6284, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6286] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6287 attached [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6287 [pid 6287] set_robust_list(0x5555802da660, 24 [pid 6286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6287] <... set_robust_list resumed>) = 0 [pid 6286] <... openat resumed>) = 3 [pid 6287] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6286] write(3, "1000", 4 [pid 6287] <... prctl resumed>) = 0 [pid 6286] <... write resumed>) = 4 [pid 6287] setpgid(0, 0 [pid 6286] close(3 [pid 6287] <... setpgid resumed>) = 0 [pid 6286] <... close resumed>) = 0 [pid 6287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6286] write(1, "executing program\n", 18executing program [pid 6287] <... openat resumed>) = 3 [pid 6286] <... write resumed>) = 18 [pid 6287] write(3, "1000", 4) = 4 [pid 6286] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6287] close(3) = 0 [pid 6287] write(1, "executing program\n", 18 [pid 6286] <... bpf resumed>) = 3 executing program [pid 6287] <... write resumed>) = 18 [pid 6286] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6287] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6286] <... bpf resumed>) = 4 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6287] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144./strace-static-x86_64: Process 6288 attached ) = 4 [pid 6286] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6283] +++ exited with 0 +++ [pid 6282] +++ exited with 0 +++ [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6288 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6282, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6288] set_robust_list(0x5555802da660, 24 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6283, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6288] <... set_robust_list resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6289 attached [pid 6288] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6287] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6289] set_robust_list(0x5555802da660, 24 [pid 6288] <... prctl resumed>) = 0 [pid 6289] <... set_robust_list resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6289 ./strace-static-x86_64: Process 6290 attached [pid 6289] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6288] setpgid(0, 0 [pid 6287] <... bpf resumed>) = 5 [pid 6286] <... bpf resumed>) = 5 [pid 6290] set_robust_list(0x5555802da660, 24 [pid 6289] <... prctl resumed>) = 0 [pid 6288] <... setpgid resumed>) = 0 [pid 6286] exit_group(0 [pid 6290] <... set_robust_list resumed>) = 0 [pid 6289] setpgid(0, 0 [pid 6288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6286] <... exit_group resumed>) = ? [pid 6290] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6289] <... setpgid resumed>) = 0 [pid 6288] <... openat resumed>) = 3 [pid 6287] exit_group(0 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6290 [pid 6287] <... exit_group resumed>) = ? [pid 6290] <... prctl resumed>) = 0 [pid 6289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6288] write(3, "1000", 4 [pid 6290] setpgid(0, 0 [pid 6289] <... openat resumed>) = 3 [pid 6288] <... write resumed>) = 4 [pid 6290] <... setpgid resumed>) = 0 executing program [pid 6289] write(3, "1000", 4 [pid 6288] close(3 [pid 6290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6289] <... write resumed>) = 4 [pid 6288] <... close resumed>) = 0 [pid 6290] <... openat resumed>) = 3 [pid 6289] close(3 [pid 6288] write(1, "executing program\n", 18 [pid 6290] write(3, "1000", 4 [pid 6289] <... close resumed>) = 0 [pid 6288] <... write resumed>) = 18 [pid 6290] <... write resumed>) = 4 [pid 6289] write(1, "executing program\n", 18executing program [pid 6288] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6290] close(3 [pid 6289] <... write resumed>) = 18 [pid 6288] <... bpf resumed>) = 3 [pid 6290] <... close resumed>) = 0 [pid 6289] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program [pid 6290] write(1, "executing program\n", 18 [pid 6289] <... bpf resumed>) = 3 [pid 6288] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6290] <... write resumed>) = 18 [pid 6290] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6289] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6288] <... bpf resumed>) = 4 [pid 6290] <... bpf resumed>) = 3 [pid 6289] <... bpf resumed>) = 4 [pid 6290] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 6288] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6289] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6290] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6287] +++ exited with 0 +++ [pid 6286] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6286, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6287, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6291 attached [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6291 [pid 6291] set_robust_list(0x5555802da660, 24 [pid 6290] <... bpf resumed>) = 5 [pid 6289] <... bpf resumed>) = 5 [pid 6288] <... bpf resumed>) = 5 [pid 6291] <... set_robust_list resumed>) = 0 [pid 6290] exit_group(0 [pid 6289] exit_group(0 [pid 6288] exit_group(0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6291] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6290] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6292 attached [pid 6291] <... prctl resumed>) = 0 [pid 6290] +++ exited with 0 +++ [pid 6289] <... exit_group resumed>) = ? [pid 6288] <... exit_group resumed>) = ? [pid 6292] set_robust_list(0x5555802da660, 24 [pid 6291] setpgid(0, 0 [pid 6289] +++ exited with 0 +++ [pid 6288] +++ exited with 0 +++ [pid 6292] <... set_robust_list resumed>) = 0 [pid 6291] <... setpgid resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6292 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6290, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6292] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6289, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6288, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6292] <... prctl resumed>) = 0 [pid 6291] <... openat resumed>) = 3 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6292] setpgid(0, 0 [pid 5842] <... restart_syscall resumed>) = 0 [pid 6291] write(3, "1000", 4 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5838] <... restart_syscall resumed>) = 0 [pid 6292] <... setpgid resumed>) = 0 [pid 6291] <... write resumed>) = 4 [pid 6291] close(3 [pid 5844] <... restart_syscall resumed>) = 0 executing program [pid 6291] <... close resumed>) = 0 [pid 6292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6291] write(1, "executing program\n", 18) = 18 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6291] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 6293 attached [pid 6292] <... openat resumed>) = 3 [pid 6291] <... bpf resumed>) = 3 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6294 attached [pid 6292] write(3, "1000", 4 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6294] set_robust_list(0x5555802da660, 24 [pid 6293] set_robust_list(0x5555802da660, 24) = 0 [pid 6291] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144./strace-static-x86_64: Process 6295 attached [pid 6294] <... set_robust_list resumed>) = 0 [pid 6293] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6292] <... write resumed>) = 4 [pid 6291] <... bpf resumed>) = 4 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6294 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6293 [pid 6295] set_robust_list(0x5555802da660, 24 [pid 6294] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6293] <... prctl resumed>) = 0 [pid 6292] close(3executing program [pid 6293] setpgid(0, 0 [pid 6292] <... close resumed>) = 0 [pid 6293] <... setpgid resumed>) = 0 [pid 6294] <... prctl resumed>) = 0 [pid 6293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6292] write(1, "executing program\n", 18 [pid 6294] setpgid(0, 0 [pid 6292] <... write resumed>) = 18 [pid 6294] <... setpgid resumed>) = 0 [pid 6295] <... set_robust_list resumed>) = 0 [pid 6292] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6295 [pid 6295] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6294] <... openat resumed>) = 3 [pid 6294] write(3, "1000", 4 [pid 6293] <... openat resumed>) = 3 [pid 6292] <... bpf resumed>) = 3 [pid 6295] <... prctl resumed>) = 0 [pid 6293] write(3, "1000", 4 [pid 6295] setpgid(0, 0 [pid 6294] <... write resumed>) = 4 [pid 6293] <... write resumed>) = 4 [pid 6295] <... setpgid resumed>) = 0 [pid 6294] close(3 [pid 6293] close(3 [pid 6292] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6291] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6294] <... close resumed>) = 0 [pid 6293] <... close resumed>) = 0 [pid 6295] <... openat resumed>) = 3 [pid 6293] write(1, "executing program\n", 18executing program executing program [pid 6291] <... bpf resumed>) = 5 [pid 6295] write(3, "1000", 4 [pid 6294] write(1, "executing program\n", 18 [pid 6293] <... write resumed>) = 18 [pid 6293] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6295] <... write resumed>) = 4 [pid 6293] <... bpf resumed>) = 3 [pid 6291] exit_group(0 [pid 6295] close(3 [pid 6291] <... exit_group resumed>) = ? [pid 6295] <... close resumed>) = 0 [pid 6294] <... write resumed>) = 18 [pid 6293] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6292] <... bpf resumed>) = 4 [pid 6291] +++ exited with 0 +++ executing program [pid 6295] write(1, "executing program\n", 18 [pid 6294] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6293] <... bpf resumed>) = 4 [pid 6292] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6295] <... write resumed>) = 18 [pid 6295] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6294] <... bpf resumed>) = 3 [pid 6293] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6292] <... bpf resumed>) = 5 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6291, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6295] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6294] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6293] <... bpf resumed>) = 5 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6292] exit_group(0./strace-static-x86_64: Process 6296 attached [pid 6295] <... bpf resumed>) = 4 [pid 6294] <... bpf resumed>) = 4 [pid 6293] exit_group(0 [pid 6292] <... exit_group resumed>) = ? [pid 6296] set_robust_list(0x5555802da660, 24) = 0 [pid 6296] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6293] <... exit_group resumed>) = ? [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6296 [pid 6296] <... prctl resumed>) = 0 [pid 6296] setpgid(0, 0) = 0 [pid 6296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6295] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6294] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6296] write(3, "1000", 4) = 4 executing program [pid 6296] close(3) = 0 [pid 6296] write(1, "executing program\n", 18) = 18 [pid 6296] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6296] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 6296] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6293] +++ exited with 0 +++ [pid 6292] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6292, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6293, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6297 attached ./strace-static-x86_64: Process 6298 attached , child_tidptr=0x5555802da650) = 6297 [pid 6298] set_robust_list(0x5555802da660, 24 [pid 6297] set_robust_list(0x5555802da660, 24 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6298 [pid 6298] <... set_robust_list resumed>) = 0 [pid 6297] <... set_robust_list resumed>) = 0 [pid 6298] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6297] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6298] <... prctl resumed>) = 0 [pid 6295] <... bpf resumed>) = 5 [pid 6298] setpgid(0, 0 [pid 6297] <... prctl resumed>) = 0 [pid 6296] <... bpf resumed>) = 5 [pid 6294] <... bpf resumed>) = 5 [pid 6297] setpgid(0, 0 [pid 6295] exit_group(0 [pid 6298] <... setpgid resumed>) = 0 [pid 6297] <... setpgid resumed>) = 0 [pid 6296] exit_group(0 [pid 6294] exit_group(0 [pid 6297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6296] <... exit_group resumed>) = ? [pid 6295] <... exit_group resumed>) = ? [pid 6294] <... exit_group resumed>) = ? [pid 6298] <... openat resumed>) = 3 [pid 6297] <... openat resumed>) = 3 [pid 6296] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6296, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6298] write(3, "1000", 4 [pid 6297] write(3, "1000", 4 [pid 6298] <... write resumed>) = 4 [pid 6297] <... write resumed>) = 4 [pid 6298] close(3 [pid 6297] close(3 [pid 6298] <... close resumed>) = 0 [pid 6297] <... close resumed>) = 0 executing program executing program [pid 6298] write(1, "executing program\n", 18 [pid 6297] write(1, "executing program\n", 18 [pid 6298] <... write resumed>) = 18 [pid 6297] <... write resumed>) = 18 [pid 6297] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6298] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6297] <... bpf resumed>) = 3 [pid 6297] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6298] <... bpf resumed>) = 3 [pid 6298] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6297] <... bpf resumed>) = 4 [pid 6295] +++ exited with 0 +++ [pid 5846] <... restart_syscall resumed>) = 0 [pid 6298] <... bpf resumed>) = 4 [pid 6297] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6294] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6294, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6295, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6300 attached ./strace-static-x86_64: Process 6299 attached [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6300] set_robust_list(0x5555802da660, 24 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6299 ./strace-static-x86_64: Process 6301 attached [pid 6300] <... set_robust_list resumed>) = 0 [pid 6299] set_robust_list(0x5555802da660, 24 [pid 6298] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6299] <... set_robust_list resumed>) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6300 [pid 6301] set_robust_list(0x5555802da660, 24 [pid 6300] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6299] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6301 [pid 6301] <... set_robust_list resumed>) = 0 [pid 6300] <... prctl resumed>) = 0 [pid 6299] <... prctl resumed>) = 0 [pid 6300] setpgid(0, 0 [pid 6299] setpgid(0, 0) = 0 [pid 6301] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6300] <... setpgid resumed>) = 0 [pid 6299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6301] <... prctl resumed>) = 0 [pid 6300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6299] <... openat resumed>) = 3 [pid 6301] setpgid(0, 0 [pid 6299] write(3, "1000", 4 [pid 6300] <... openat resumed>) = 3 [pid 6299] <... write resumed>) = 4 [pid 6299] close(3executing program [pid 6301] <... setpgid resumed>) = 0 [pid 6299] <... close resumed>) = 0 [pid 6300] write(3, "1000", 4 [pid 6299] write(1, "executing program\n", 18 [pid 6301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6300] <... write resumed>) = 4 [pid 6299] <... write resumed>) = 18 [pid 6300] close(3 [pid 6299] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6301] <... openat resumed>) = 3 [pid 6300] <... close resumed>) = 0 [pid 6299] <... bpf resumed>) = 3 [pid 6299] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6301] write(3, "1000", 4 [pid 6300] write(1, "executing program\n", 18 [pid 6298] <... bpf resumed>) = 5 [pid 6297] <... bpf resumed>) = 5 executing program [pid 6301] <... write resumed>) = 4 [pid 6300] <... write resumed>) = 18 [pid 6299] <... bpf resumed>) = 4 [pid 6298] exit_group(0 [pid 6297] exit_group(0 [pid 6301] close(3 [pid 6300] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6297] <... exit_group resumed>) = ? [pid 6301] <... close resumed>) = 0 [pid 6301] write(1, "executing program\n", 18 [pid 6298] <... exit_group resumed>) = ? executing program [pid 6301] <... write resumed>) = 18 [pid 6300] <... bpf resumed>) = 3 [pid 6298] +++ exited with 0 +++ [pid 6301] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6300] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6301] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6300] <... bpf resumed>) = 4 [pid 6299] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6297] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6298, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6301] <... bpf resumed>) = 4 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6297, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5840] <... restart_syscall resumed>) = 0 [pid 6301] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6300] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6299] <... bpf resumed>) = 5 [pid 5842] <... restart_syscall resumed>) = 0 [pid 6301] <... bpf resumed>) = 5 [pid 6300] <... bpf resumed>) = 5 [pid 6301] exit_group(0 [pid 6299] exit_group(0 [pid 6301] <... exit_group resumed>) = ? [pid 6300] exit_group(0 [pid 6299] <... exit_group resumed>) = ? [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6301] +++ exited with 0 +++ [pid 6300] <... exit_group resumed>) = ? [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6302 attached ./strace-static-x86_64: Process 6303 attached [pid 6302] set_robust_list(0x5555802da660, 24) = 0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6301, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6303] set_robust_list(0x5555802da660, 24 [pid 6302] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6303] <... set_robust_list resumed>) = 0 [pid 6302] <... prctl resumed>) = 0 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6302 [pid 6303] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6302] setpgid(0, 0 [pid 6303] <... prctl resumed>) = 0 [pid 6302] <... setpgid resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6303 [pid 6303] setpgid(0, 0 [pid 6302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6303] <... setpgid resumed>) = 0 [pid 6303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6302] <... openat resumed>) = 3 [pid 6303] <... openat resumed>) = 3 [pid 6302] write(3, "1000", 4 [pid 5844] <... restart_syscall resumed>) = 0 [pid 6303] write(3, "1000", 4 [pid 6302] <... write resumed>) = 4 [pid 6303] <... write resumed>) = 4 [pid 6299] +++ exited with 0 +++ [pid 6303] close(3 [pid 6302] close(3 [pid 6300] +++ exited with 0 +++ [pid 6303] <... close resumed>) = 0 [pid 6302] <... close resumed>) = 0 executing program [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6299, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6303] write(1, "executing program\n", 18 [pid 6302] write(1, "executing program\n", 18 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6300, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6303] <... write resumed>) = 18 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 6302] <... write resumed>) = 18 [pid 5838] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6304 attached [pid 6303] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6302] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 6305 attached [pid 6304] set_robust_list(0x5555802da660, 24 [pid 6303] <... bpf resumed>) = 3 [pid 6302] <... bpf resumed>) = 3 [pid 6305] set_robust_list(0x5555802da660, 24 [pid 6304] <... set_robust_list resumed>) = 0 [pid 6302] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6305] <... set_robust_list resumed>) = 0 [pid 6304] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6303] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6302] <... bpf resumed>) = 4 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6304 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6305 [pid 6305] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6304] <... prctl resumed>) = 0 [pid 6305] <... prctl resumed>) = 0 [pid 6304] setpgid(0, 0 [pid 6305] setpgid(0, 0 [pid 6303] <... bpf resumed>) = 4 [pid 6302] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5838] <... restart_syscall resumed>) = 0 [pid 6305] <... setpgid resumed>) = 0 [pid 6305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6304] <... setpgid resumed>) = 0 [pid 6305] <... openat resumed>) = 3 [pid 6304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6303] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6305] write(3, "1000", 4 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6305] <... write resumed>) = 4 [pid 6304] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6306 attached [pid 6305] close(3) = 0 [pid 6306] set_robust_list(0x5555802da660, 24 [pid 6305] write(1, "executing program\n", 18executing program [pid 6304] write(3, "1000", 4 [pid 6303] <... bpf resumed>) = 5 [pid 6302] <... bpf resumed>) = 5 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6306 [pid 6306] <... set_robust_list resumed>) = 0 [pid 6305] <... write resumed>) = 18 [pid 6303] exit_group(0 [pid 6306] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6305] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6304] <... write resumed>) = 4 [pid 6303] <... exit_group resumed>) = ? [pid 6302] exit_group(0 [pid 6306] <... prctl resumed>) = 0 [pid 6305] <... bpf resumed>) = 3 [pid 6304] close(3 [pid 6302] <... exit_group resumed>) = ? [pid 6306] setpgid(0, 0 [pid 6305] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6304] <... close resumed>) = 0 [pid 6303] +++ exited with 0 +++ [pid 6302] +++ exited with 0 +++ [pid 6306] <... setpgid resumed>) = 0 [pid 6305] <... bpf resumed>) = 4 [pid 6304] write(1, "executing program\n", 18 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6303, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6302, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6304] <... write resumed>) = 18 [pid 6304] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6306] <... openat resumed>) = 3 [pid 6306] write(3, "1000", 4 [pid 6304] <... bpf resumed>) = 3 [pid 6306] <... write resumed>) = 4 [pid 6305] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6304] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5842] <... restart_syscall resumed>) = 0 [pid 5840] <... restart_syscall resumed>) = 0 [pid 6306] close(3) = 0 [pid 6304] <... bpf resumed>) = 4 [pid 6306] write(1, "executing program\n", 18executing program [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6306] <... write resumed>) = 18 [pid 6306] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 ./strace-static-x86_64: Process 6307 attached [pid 6306] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6305] <... bpf resumed>) = 5 [pid 6304] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6307 ./strace-static-x86_64: Process 6308 attached [pid 6307] set_robust_list(0x5555802da660, 24 [pid 6306] <... bpf resumed>) = 4 [pid 6305] exit_group(0 [pid 6304] <... bpf resumed>) = 5 [pid 6308] set_robust_list(0x5555802da660, 24 [pid 6307] <... set_robust_list resumed>) = 0 [pid 6305] <... exit_group resumed>) = ? [pid 6308] <... set_robust_list resumed>) = 0 [pid 6306] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6304] exit_group(0 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6308 [pid 6308] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6306] <... bpf resumed>) = 5 [pid 6306] exit_group(0 [pid 6304] <... exit_group resumed>) = ? [pid 6308] <... prctl resumed>) = 0 [pid 6307] setpgid(0, 0 [pid 6305] +++ exited with 0 +++ [pid 6308] setpgid(0, 0 [pid 6307] <... setpgid resumed>) = 0 [pid 6308] <... setpgid resumed>) = 0 [pid 6307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6306] <... exit_group resumed>) = ? [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6305, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6307] <... openat resumed>) = 3 [pid 6308] <... openat resumed>) = 3 executing program executing program [pid 6307] write(3, "1000", 4 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 6308] write(3, "1000", 4 [pid 6307] <... write resumed>) = 4 [pid 6308] <... write resumed>) = 4 [pid 6307] close(3 [pid 6308] close(3 [pid 6307] <... close resumed>) = 0 [pid 6308] <... close resumed>) = 0 [pid 6307] write(1, "executing program\n", 18 [pid 6308] write(1, "executing program\n", 18 [pid 6307] <... write resumed>) = 18 [pid 6308] <... write resumed>) = 18 [pid 6308] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6307] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6308] <... bpf resumed>) = 3 [pid 6308] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6307] <... bpf resumed>) = 3 [pid 6308] <... bpf resumed>) = 4 [pid 6306] +++ exited with 0 +++ [pid 6304] +++ exited with 0 +++ [pid 5844] <... restart_syscall resumed>) = 0 [pid 6308] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6307] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6304, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6306, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6307] <... bpf resumed>) = 4 [pid 6307] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6309 attached [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6309] set_robust_list(0x5555802da660, 24./strace-static-x86_64: Process 6311 attached ./strace-static-x86_64: Process 6310 attached ) = 0 [pid 6308] <... bpf resumed>) = 5 [pid 6307] <... bpf resumed>) = 5 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6309 [pid 6311] set_robust_list(0x5555802da660, 24 [pid 6310] set_robust_list(0x5555802da660, 24 [pid 6309] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6307] exit_group(0 [pid 6311] <... set_robust_list resumed>) = 0 [pid 6310] <... set_robust_list resumed>) = 0 [pid 6309] <... prctl resumed>) = 0 [pid 6308] exit_group(0 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6310 [pid 6307] <... exit_group resumed>) = ? [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6311 [pid 6311] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6309] setpgid(0, 0 [pid 6308] <... exit_group resumed>) = ? [pid 6311] <... prctl resumed>) = 0 [pid 6310] <... prctl resumed>) = 0 [pid 6311] setpgid(0, 0 [pid 6310] setpgid(0, 0 [pid 6309] <... setpgid resumed>) = 0 [pid 6308] +++ exited with 0 +++ [pid 6307] +++ exited with 0 +++ [pid 6311] <... setpgid resumed>) = 0 [pid 6310] <... setpgid resumed>) = 0 [pid 6309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6307, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6309] <... openat resumed>) = 3 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6308, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6311] <... openat resumed>) = 3 [pid 6309] write(3, "1000", 4 [pid 6311] write(3, "1000", 4 [pid 6310] <... openat resumed>) = 3 [pid 6309] <... write resumed>) = 4 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 6311] <... write resumed>) = 4 [pid 6310] write(3, "1000", 4 [pid 6309] close(3 [pid 6311] close(3 [pid 6310] <... write resumed>) = 4 [pid 6309] <... close resumed>) = 0 [pid 6310] close(3 [pid 6309] write(1, "executing program\n", 18executing program executing program executing program [pid 6311] <... close resumed>) = 0 [pid 6310] <... close resumed>) = 0 [pid 6309] <... write resumed>) = 18 [pid 6311] write(1, "executing program\n", 18 [pid 6310] write(1, "executing program\n", 18 [pid 6309] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6311] <... write resumed>) = 18 [pid 6310] <... write resumed>) = 18 [pid 6311] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6310] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6309] <... bpf resumed>) = 3 [pid 6311] <... bpf resumed>) = 3 [pid 6311] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6310] <... bpf resumed>) = 3 [pid 6309] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6311] <... bpf resumed>) = 4 [pid 6310] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5842] <... restart_syscall resumed>) = 0 [pid 6311] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6309] <... bpf resumed>) = 4 [pid 6311] <... bpf resumed>) = 5 [pid 6310] <... bpf resumed>) = 4 [pid 6311] exit_group(0 [pid 6309] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6311] <... exit_group resumed>) = ? [pid 6309] <... bpf resumed>) = 5 [pid 6310] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6312 attached [pid 6312] set_robust_list(0x5555802da660, 24./strace-static-x86_64: Process 6313 attached [pid 6309] exit_group(0 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6312 [pid 6309] <... exit_group resumed>) = ? [pid 6313] set_robust_list(0x5555802da660, 24 [pid 6312] <... set_robust_list resumed>) = 0 [pid 6313] <... set_robust_list resumed>) = 0 [pid 6312] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6313] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6312] <... prctl resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6313 [pid 6313] <... prctl resumed>) = 0 [pid 6312] setpgid(0, 0 [pid 6313] setpgid(0, 0 [pid 6312] <... setpgid resumed>) = 0 [pid 6313] <... setpgid resumed>) = 0 [pid 6313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6313] <... openat resumed>) = 3 [pid 6312] <... openat resumed>) = 3 [pid 6311] +++ exited with 0 +++ [pid 6313] write(3, "1000", 4 [pid 6310] <... bpf resumed>) = 5 [pid 6313] <... write resumed>) = 4 [pid 6312] write(3, "1000", 4executing program [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6311, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6313] close(3 [pid 6312] <... write resumed>) = 4 [pid 6310] exit_group(0 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6313] <... close resumed>) = 0 [pid 6312] close(3 [pid 6313] write(1, "executing program\n", 18 [pid 6312] <... close resumed>) = 0 [pid 6313] <... write resumed>) = 18 [pid 6312] write(1, "executing program\n", 18executing program [pid 6313] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6312] <... write resumed>) = 18 [pid 6310] <... exit_group resumed>) = ? [pid 6313] <... bpf resumed>) = 3 [pid 6312] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6313] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6312] <... bpf resumed>) = 3 [pid 6312] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6313] <... bpf resumed>) = 4 [pid 6313] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6312] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 6314 attached [pid 6312] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6314] set_robust_list(0x5555802da660, 24 [pid 6309] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6309, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6314] <... set_robust_list resumed>) = 0 [pid 6310] +++ exited with 0 +++ [pid 6314] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6310, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6314 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6315 attached [pid 6314] <... prctl resumed>) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6315 [pid 6315] set_robust_list(0x5555802da660, 24 [pid 6314] setpgid(0, 0 [pid 6315] <... set_robust_list resumed>) = 0 [pid 6314] <... setpgid resumed>) = 0 [pid 6315] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6315] <... prctl resumed>) = 0 [pid 6314] <... openat resumed>) = 3 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6315] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 6316 attached [pid 6315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6314] write(3, "1000", 4) = 4 [pid 6316] set_robust_list(0x5555802da660, 24 [pid 6315] <... openat resumed>) = 3 [pid 6314] close(3 [pid 6313] <... bpf resumed>) = 5 [pid 6312] <... bpf resumed>) = 5 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6316 [pid 6315] write(3, "1000", 4 [pid 6314] <... close resumed>) = 0 [pid 6312] exit_group(0 [pid 6316] <... set_robust_list resumed>) = 0 [pid 6315] <... write resumed>) = 4 [pid 6314] write(1, "executing program\n", 18 [pid 6313] exit_group(0executing program [pid 6316] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6315] close(3 [pid 6314] <... write resumed>) = 18 [pid 6313] <... exit_group resumed>) = ? [pid 6312] <... exit_group resumed>) = ? [pid 6316] <... prctl resumed>) = 0 [pid 6315] <... close resumed>) = 0 [pid 6314] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program [pid 6316] setpgid(0, 0 [pid 6315] write(1, "executing program\n", 18 [pid 6314] <... bpf resumed>) = 3 [pid 6313] +++ exited with 0 +++ [pid 6312] +++ exited with 0 +++ [pid 6316] <... setpgid resumed>) = 0 [pid 6315] <... write resumed>) = 18 [pid 6314] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6315] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6312, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6316] <... openat resumed>) = 3 [pid 6315] <... bpf resumed>) = 3 [pid 6314] <... bpf resumed>) = 4 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6313, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...>executing program [pid 6316] write(3, "1000", 4) = 4 [pid 6316] close(3) = 0 [pid 6316] write(1, "executing program\n", 18 [pid 6315] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6316] <... write resumed>) = 18 [pid 6314] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5840] <... restart_syscall resumed>) = 0 [pid 6316] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6315] <... bpf resumed>) = 4 [pid 6314] <... bpf resumed>) = 5 [pid 5842] <... restart_syscall resumed>) = 0 [pid 6316] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6315] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6314] exit_group(0 [pid 6316] <... bpf resumed>) = 4 [pid 6315] <... bpf resumed>) = 5 [pid 6314] <... exit_group resumed>) = ? [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6317 attached [pid 6315] exit_group(0 [pid 6317] set_robust_list(0x5555802da660, 24 [pid 6316] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6317 [pid 6315] <... exit_group resumed>) = ? [pid 6317] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6318 attached [pid 6318] set_robust_list(0x5555802da660, 24 [pid 6317] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6316] <... bpf resumed>) = 5 [pid 6314] +++ exited with 0 +++ [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6318 [pid 6318] <... set_robust_list resumed>) = 0 [pid 6317] <... prctl resumed>) = 0 [pid 6316] exit_group(0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6314, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6318] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6317] setpgid(0, 0 [pid 6316] <... exit_group resumed>) = ? [pid 6318] <... prctl resumed>) = 0 [pid 6317] <... setpgid resumed>) = 0 [pid 6318] setpgid(0, 0 [pid 6317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6318] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6319 attached [pid 6318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6319] set_robust_list(0x5555802da660, 24) = 0 [pid 6319] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6317] <... openat resumed>) = 3 [pid 6319] <... prctl resumed>) = 0 [pid 6318] <... openat resumed>) = 3 [pid 6317] write(3, "1000", 4 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6319 [pid 6318] write(3, "1000", 4 [pid 6317] <... write resumed>) = 4 [pid 6318] <... write resumed>) = 4 [pid 6317] close(3 [pid 6319] setpgid(0, 0) = 0 [pid 6319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6318] close(3 [pid 6317] <... close resumed>) = 0 [pid 6319] <... openat resumed>) = 3 [pid 6318] <... close resumed>) = 0 executing program [pid 6317] write(1, "executing program\n", 18 [pid 6319] write(3, "1000", 4 executing program [pid 6318] write(1, "executing program\n", 18 [pid 6317] <... write resumed>) = 18 [pid 6318] <... write resumed>) = 18 [pid 6317] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6319] <... write resumed>) = 4 [pid 6318] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6317] <... bpf resumed>) = 3 [pid 6319] close(3) = 0 [pid 6318] <... bpf resumed>) = 3 [pid 6317] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6319] write(1, "executing program\n", 18 executing program [pid 6318] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6317] <... bpf resumed>) = 4 [pid 6315] +++ exited with 0 +++ [pid 6319] <... write resumed>) = 18 [pid 6319] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6316] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6315, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6319] <... bpf resumed>) = 3 [pid 6318] <... bpf resumed>) = 4 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6316, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 6317] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6319] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6318] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5844] <... restart_syscall resumed>) = 0 [pid 6319] <... bpf resumed>) = 4 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6321 attached ./strace-static-x86_64: Process 6320 attached [pid 6319] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6318] <... bpf resumed>) = 5 [pid 6317] <... bpf resumed>) = 5 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6320 [pid 6321] set_robust_list(0x5555802da660, 24 [pid 6320] set_robust_list(0x5555802da660, 24 [pid 6319] <... bpf resumed>) = 5 [pid 6317] exit_group(0 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6321 [pid 6318] exit_group(0 [pid 6321] <... set_robust_list resumed>) = 0 [pid 6320] <... set_robust_list resumed>) = 0 [pid 6319] exit_group(0 [pid 6317] <... exit_group resumed>) = ? [pid 6321] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6320] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6319] <... exit_group resumed>) = ? [pid 6318] <... exit_group resumed>) = ? [pid 6317] +++ exited with 0 +++ [pid 6321] <... prctl resumed>) = 0 [pid 6320] <... prctl resumed>) = 0 [pid 6321] setpgid(0, 0) = 0 [pid 6321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6317, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6320] setpgid(0, 0) = 0 [pid 6321] write(3, "1000", 4) = 4 [pid 6320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6321] close(3) = 0 [pid 6321] write(1, "executing program\n", 18 executing program [pid 6320] <... openat resumed>) = 3 [pid 6321] <... write resumed>) = 18 [pid 6321] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6320] write(3, "1000", 4 [pid 6321] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6320] <... write resumed>) = 4 executing program [pid 6321] <... bpf resumed>) = 4 [pid 6320] close(3) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6321] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6320] write(1, "executing program\n", 18) = 18 [pid 6320] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 6322 attached ) = 3 [pid 6319] +++ exited with 0 +++ [pid 6318] +++ exited with 0 +++ [pid 6320] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6322] set_robust_list(0x5555802da660, 24 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6318, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6322 [pid 6322] <... set_robust_list resumed>) = 0 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6319, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6322] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6320] <... bpf resumed>) = 4 [pid 5842] <... restart_syscall resumed>) = 0 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6322] <... prctl resumed>) = 0 [pid 6320] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5838] <... restart_syscall resumed>) = 0 [pid 6322] setpgid(0, 0) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6324 attached ./strace-static-x86_64: Process 6323 attached [pid 6323] set_robust_list(0x5555802da660, 24 [pid 6322] <... openat resumed>) = 3 [pid 6322] write(3, "1000", 4 [pid 6323] <... set_robust_list resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6323 [pid 6322] <... write resumed>) = 4 [pid 6324] set_robust_list(0x5555802da660, 24 [pid 6323] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6322] close(3 [pid 6324] <... set_robust_list resumed>) = 0 [pid 6323] <... prctl resumed>) = 0 [pid 6324] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6323] setpgid(0, 0 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6324 [pid 6324] <... prctl resumed>) = 0 [pid 6323] <... setpgid resumed>) = 0 [pid 6322] <... close resumed>) = 0 executing program [pid 6324] setpgid(0, 0 [pid 6323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6324] <... setpgid resumed>) = 0 [pid 6322] write(1, "executing program\n", 18 [pid 6324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6322] <... write resumed>) = 18 [pid 6323] <... openat resumed>) = 3 [pid 6323] write(3, "1000", 4) = 4 [pid 6322] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6324] <... openat resumed>) = 3 [pid 6323] close(3 [pid 6324] write(3, "1000", 4 [pid 6323] <... close resumed>) = 0 [pid 6322] <... bpf resumed>) = 3 executing program [pid 6323] write(1, "executing program\n", 18 [pid 6324] <... write resumed>) = 4 [pid 6323] <... write resumed>) = 18 [pid 6324] close(3 [pid 6323] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6322] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6324] <... close resumed>) = 0 [pid 6323] <... bpf resumed>) = 3 [pid 6324] write(1, "executing program\n", 18executing program ) = 18 [pid 6324] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6323] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6322] <... bpf resumed>) = 4 [pid 6321] <... bpf resumed>) = 5 [pid 6320] <... bpf resumed>) = 5 [pid 6324] <... bpf resumed>) = 3 [pid 6324] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 6323] <... bpf resumed>) = 4 [pid 6322] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6321] exit_group(0 [pid 6320] exit_group(0 [pid 6323] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6322] <... bpf resumed>) = 5 [pid 6321] <... exit_group resumed>) = ? [pid 6320] <... exit_group resumed>) = ? [pid 6323] <... bpf resumed>) = 5 [pid 6322] exit_group(0 [pid 6324] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16) = 5 [pid 6321] +++ exited with 0 +++ [pid 6324] exit_group(0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6321, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6324] <... exit_group resumed>) = ? [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6324] +++ exited with 0 +++ [pid 6323] exit_group(0 [pid 6322] <... exit_group resumed>) = ? [pid 6320] +++ exited with 0 +++ [pid 6323] <... exit_group resumed>) = ? [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6324, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6323] +++ exited with 0 +++ [pid 6322] +++ exited with 0 +++ [pid 5846] <... restart_syscall resumed>) = 0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6320, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] <... restart_syscall resumed>) = 0 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6323, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6322, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] <... restart_syscall resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6325 attached [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6327 attached ./strace-static-x86_64: Process 6326 attached [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6325 ./strace-static-x86_64: Process 6328 attached ./strace-static-x86_64: Process 6329 attached [pid 6327] set_robust_list(0x5555802da660, 24 [pid 6326] set_robust_list(0x5555802da660, 24 [pid 6325] set_robust_list(0x5555802da660, 24 [pid 6326] <... set_robust_list resumed>) = 0 [pid 6325] <... set_robust_list resumed>) = 0 [pid 6329] set_robust_list(0x5555802da660, 24 [pid 6328] set_robust_list(0x5555802da660, 24 [pid 6327] <... set_robust_list resumed>) = 0 [pid 6326] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6325] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6329 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6327 [pid 6329] <... set_robust_list resumed>) = 0 [pid 6328] <... set_robust_list resumed>) = 0 [pid 6327] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6325] <... prctl resumed>) = 0 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6326 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6328 [pid 6329] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6328] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6327] <... prctl resumed>) = 0 [pid 6326] <... prctl resumed>) = 0 [pid 6325] setpgid(0, 0 [pid 6329] <... prctl resumed>) = 0 [pid 6328] <... prctl resumed>) = 0 [pid 6327] setpgid(0, 0 [pid 6326] setpgid(0, 0 [pid 6325] <... setpgid resumed>) = 0 [pid 6329] setpgid(0, 0 [pid 6328] setpgid(0, 0 [pid 6327] <... setpgid resumed>) = 0 [pid 6326] <... setpgid resumed>) = 0 [pid 6329] <... setpgid resumed>) = 0 [pid 6328] <... setpgid resumed>) = 0 [pid 6327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6327] <... openat resumed>) = 3 [pid 6326] <... openat resumed>) = 3 [pid 6325] <... openat resumed>) = 3 [pid 6329] write(3, "1000", 4) = 4 [pid 6328] <... openat resumed>) = 3 [pid 6327] write(3, "1000", 4 [pid 6326] write(3, "1000", 4 [pid 6325] write(3, "1000", 4 [pid 6328] write(3, "1000", 4 [pid 6329] close(3 [pid 6327] <... write resumed>) = 4 [pid 6326] <... write resumed>) = 4 [pid 6329] <... close resumed>) = 0 [pid 6327] close(3 [pid 6326] close(3 [pid 6329] write(1, "executing program\n", 18executing program [pid 6327] <... close resumed>) = 0 executing program executing program [pid 6326] <... close resumed>) = 0 [pid 6329] <... write resumed>) = 18 [pid 6327] write(1, "executing program\n", 18 [pid 6326] write(1, "executing program\n", 18 [pid 6329] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6327] <... write resumed>) = 18 [pid 6326] <... write resumed>) = 18 [pid 6325] <... write resumed>) = 4 [pid 6329] <... bpf resumed>) = 3 [pid 6328] <... write resumed>) = 4 [pid 6327] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6326] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6325] close(3 [pid 6328] close(3 [pid 6325] <... close resumed>) = 0 [pid 6329] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6328] <... close resumed>) = 0 [pid 6327] <... bpf resumed>) = 3 executing program [pid 6326] <... bpf resumed>) = 3 [pid 6325] write(1, "executing program\n", 18executing program [pid 6329] <... bpf resumed>) = 4 [pid 6328] write(1, "executing program\n", 18 [pid 6327] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6326] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6325] <... write resumed>) = 18 [pid 6328] <... write resumed>) = 18 [pid 6328] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6327] <... bpf resumed>) = 4 [pid 6325] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6328] <... bpf resumed>) = 3 [pid 6328] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6326] <... bpf resumed>) = 4 [pid 6325] <... bpf resumed>) = 3 [pid 6329] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16) = 5 [pid 6329] exit_group(0) = ? [pid 6329] +++ exited with 0 +++ [pid 6328] <... bpf resumed>) = 4 [pid 6325] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6328] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6327] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6326] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6329, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 6325] <... bpf resumed>) = 4 [pid 6325] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] <... restart_syscall resumed>) = 0 [pid 6328] <... bpf resumed>) = 5 [pid 6327] <... bpf resumed>) = 5 [pid 6326] <... bpf resumed>) = 5 [pid 6325] <... bpf resumed>) = 5 [pid 6328] exit_group(0 [pid 6327] exit_group(0 [pid 6326] exit_group(0 [pid 6325] exit_group(0 [pid 6328] <... exit_group resumed>) = ? [pid 6327] <... exit_group resumed>) = ? [pid 6326] <... exit_group resumed>) = ? [pid 6325] <... exit_group resumed>) = ? [pid 6328] +++ exited with 0 +++ [pid 6327] +++ exited with 0 +++ [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6330 attached [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6328, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6330] set_robust_list(0x5555802da660, 24 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6330 [pid 6330] <... set_robust_list resumed>) = 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6327, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6330] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] <... restart_syscall resumed>) = 0 [pid 6330] <... prctl resumed>) = 0 [pid 6330] setpgid(0, 0) = 0 [pid 6330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6330] <... openat resumed>) = 3 [pid 6330] write(3, "1000", 4./strace-static-x86_64: Process 6331 attached [pid 6326] +++ exited with 0 +++ [pid 6325] +++ exited with 0 +++ [pid 6331] set_robust_list(0x5555802da660, 24 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6331 [pid 6331] <... set_robust_list resumed>) = 0 [pid 6331] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6330] <... write resumed>) = 4 executing program [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6325, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6330] close(3 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6326, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6330] <... close resumed>) = 0 [pid 6331] <... prctl resumed>) = 0 [pid 6331] setpgid(0, 0) = 0 [pid 6331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6330] write(1, "executing program\n", 18) = 18 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6332 attached [pid 6331] <... openat resumed>) = 3 [pid 6330] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6332] set_robust_list(0x5555802da660, 24./strace-static-x86_64: Process 6333 attached ) = 0 [pid 6331] write(3, "1000", 4 [pid 6333] set_robust_list(0x5555802da660, 24 [pid 6332] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6331] <... write resumed>) = 4 [pid 6330] <... bpf resumed>) = 3 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6332 [pid 6333] <... set_robust_list resumed>) = 0 [pid 6331] close(3 [pid 6333] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6332] <... prctl resumed>) = 0 [pid 6330] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6333 [pid 6333] <... prctl resumed>) = 0 [pid 6332] setpgid(0, 0 [pid 6331] <... close resumed>) = 0 [pid 6333] setpgid(0, 0 [pid 6332] <... setpgid resumed>) = 0 [pid 6331] write(1, "executing program\n", 18 [pid 6330] <... bpf resumed>) = 4 executing program [pid 6333] <... setpgid resumed>) = 0 [pid 6332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6331] <... write resumed>) = 18 [pid 6330] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6331] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6330] <... bpf resumed>) = 5 [pid 6333] <... openat resumed>) = 3 [pid 6332] <... openat resumed>) = 3 [pid 6331] <... bpf resumed>) = 3 [pid 6330] exit_group(0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6334 attached [pid 6333] write(3, "1000", 4 [pid 6332] write(3, "1000", 4 [pid 6331] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6330] <... exit_group resumed>) = ? [pid 6334] set_robust_list(0x5555802da660, 24 [pid 6333] <... write resumed>) = 4 [pid 6332] <... write resumed>) = 4 [pid 6331] <... bpf resumed>) = 4 [pid 6334] <... set_robust_list resumed>) = 0 [pid 6333] close(3 [pid 6332] close(3 [pid 6334] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6333] <... close resumed>) = 0 [pid 6332] <... close resumed>) = 0 [pid 6334] setpgid(0, 0executing program executing program [pid 6332] write(1, "executing program\n", 18 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6334 [pid 6334] <... setpgid resumed>) = 0 [pid 6333] write(1, "executing program\n", 18 [pid 6332] <... write resumed>) = 18 [pid 6333] <... write resumed>) = 18 [pid 6332] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6333] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6332] <... bpf resumed>) = 3 [pid 6331] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6330] +++ exited with 0 +++ [pid 6332] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6334] <... openat resumed>) = 3 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6330, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 6334] write(3, "1000", 4) = 4 [pid 6333] <... bpf resumed>) = 3 [pid 6332] <... bpf resumed>) = 4 [pid 6334] close(3) = 0 executing program [pid 6333] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6334] write(1, "executing program\n", 18) = 18 [pid 6333] <... bpf resumed>) = 4 [pid 6332] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6334] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5842] <... restart_syscall resumed>) = 0 [pid 6333] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6334] <... bpf resumed>) = 3 [pid 6334] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 6334] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6333] <... bpf resumed>) = 5 [pid 6332] <... bpf resumed>) = 5 [pid 6331] <... bpf resumed>) = 5 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6334] <... bpf resumed>) = 5 [pid 6332] exit_group(0./strace-static-x86_64: Process 6335 attached [pid 6334] exit_group(0 [pid 6333] exit_group(0 [pid 6332] <... exit_group resumed>) = ? [pid 6331] exit_group(0 [pid 6333] <... exit_group resumed>) = ? [pid 6331] <... exit_group resumed>) = ? [pid 6335] set_robust_list(0x5555802da660, 24 [pid 6334] <... exit_group resumed>) = ? [pid 6333] +++ exited with 0 +++ [pid 6332] +++ exited with 0 +++ [pid 6335] <... set_robust_list resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6335 [pid 6335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6333, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6332, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6335] setpgid(0, 0 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6335] <... setpgid resumed>) = 0 [pid 6335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6335] write(3, "1000", 4) = 4 [pid 6335] close(3) = 0 [pid 6335] write(1, "executing program\n", 18 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5840] <... restart_syscall resumed>) = 0 executing program [pid 6335] <... write resumed>) = 18 [pid 6331] +++ exited with 0 +++ [pid 6335] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6334] +++ exited with 0 +++ [pid 6335] <... bpf resumed>) = 3 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6334, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 6335] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6331, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6336 attached [pid 6335] <... bpf resumed>) = 4 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6336] set_robust_list(0x5555802da660, 24./strace-static-x86_64: Process 6337 attached ./strace-static-x86_64: Process 6339 attached ./strace-static-x86_64: Process 6338 attached ) = 0 [pid 6335] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6336 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6337 [pid 6337] set_robust_list(0x5555802da660, 24 [pid 6339] set_robust_list(0x5555802da660, 24 [pid 6338] set_robust_list(0x5555802da660, 24 [pid 6336] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6335] <... bpf resumed>) = 5 [pid 6337] <... set_robust_list resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6339 [pid 6339] <... set_robust_list resumed>) = 0 [pid 6338] <... set_robust_list resumed>) = 0 [pid 6337] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6336] <... prctl resumed>) = 0 [pid 6335] exit_group(0 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6338 [pid 6339] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6338] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6337] <... prctl resumed>) = 0 [pid 6336] setpgid(0, 0 [pid 6335] <... exit_group resumed>) = ? [pid 6338] <... prctl resumed>) = 0 [pid 6339] <... prctl resumed>) = 0 [pid 6338] setpgid(0, 0 [pid 6337] setpgid(0, 0 [pid 6336] <... setpgid resumed>) = 0 [pid 6339] setpgid(0, 0 [pid 6337] <... setpgid resumed>) = 0 [pid 6338] <... setpgid resumed>) = 0 [pid 6338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6338] <... openat resumed>) = 3 [pid 6338] write(3, "1000", 4 [pid 6339] <... setpgid resumed>) = 0 [pid 6337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6336] <... openat resumed>) = 3 [pid 6335] +++ exited with 0 +++ [pid 6339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6338] <... write resumed>) = 4 [pid 6337] <... openat resumed>) = 3 [pid 6336] write(3, "1000", 4 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6335, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6338] close(3 [pid 6336] <... write resumed>) = 4 [pid 6338] <... close resumed>) = 0 [pid 6337] write(3, "1000", 4 [pid 6336] close(3executing program [pid 6338] write(1, "executing program\n", 18 [pid 6337] <... write resumed>) = 4 [pid 6336] <... close resumed>) = 0 executing program [pid 6338] <... write resumed>) = 18 [pid 6337] close(3 [pid 6336] write(1, "executing program\n", 18 [pid 6338] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6337] <... close resumed>) = 0 [pid 6336] <... write resumed>) = 18 [pid 6337] write(1, "executing program\n", 18 [pid 6339] <... openat resumed>) = 3 executing program [pid 6338] <... bpf resumed>) = 3 [pid 6336] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6339] write(3, "1000", 4 [pid 6337] <... write resumed>) = 18 [pid 6339] <... write resumed>) = 4 [pid 6338] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6337] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6336] <... bpf resumed>) = 3 [pid 6339] close(3 [pid 6338] <... bpf resumed>) = 4 [pid 6337] <... bpf resumed>) = 3 [pid 6336] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6339] <... close resumed>) = 0 [pid 6337] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144./strace-static-x86_64: Process 6340 attached [pid 6339] write(1, "executing program\n", 18 [pid 6336] <... bpf resumed>) = 4 executing program [pid 6339] <... write resumed>) = 18 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6340 [pid 6340] set_robust_list(0x5555802da660, 24 [pid 6339] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6338] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6337] <... bpf resumed>) = 4 [pid 6340] <... set_robust_list resumed>) = 0 [pid 6336] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6339] <... bpf resumed>) = 3 [pid 6338] <... bpf resumed>) = 5 [pid 6340] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6339] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6340] <... prctl resumed>) = 0 [pid 6338] exit_group(0 [pid 6337] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6336] <... bpf resumed>) = 5 [pid 6337] <... bpf resumed>) = 5 [pid 6337] exit_group(0) = ? [pid 6340] setpgid(0, 0 [pid 6339] <... bpf resumed>) = 4 [pid 6338] <... exit_group resumed>) = ? [pid 6337] +++ exited with 0 +++ [pid 6336] exit_group(0 [pid 6340] <... setpgid resumed>) = 0 [pid 6336] <... exit_group resumed>) = ? [pid 6336] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6336, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6339] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6338] +++ exited with 0 +++ [pid 5846] <... restart_syscall resumed>) = 0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6337, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6338, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] <... restart_syscall resumed>) = 0 [pid 6340] <... openat resumed>) = 3 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6340] write(3, "1000", 4 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6340] <... write resumed>) = 4 ./strace-static-x86_64: Process 6342 attached ./strace-static-x86_64: Process 6341 attached [pid 6339] <... bpf resumed>) = 5 [pid 6340] close(3) = 0 executing program ./strace-static-x86_64: Process 6343 attached [pid 6342] set_robust_list(0x5555802da660, 24 [pid 6341] set_robust_list(0x5555802da660, 24 [pid 6340] write(1, "executing program\n", 18 [pid 6339] exit_group(0 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6341 [pid 6342] <... set_robust_list resumed>) = 0 [pid 6341] <... set_robust_list resumed>) = 0 [pid 6340] <... write resumed>) = 18 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6342 [pid 6343] set_robust_list(0x5555802da660, 24 [pid 6342] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6341] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6340] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6339] <... exit_group resumed>) = ? [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6343 [pid 6343] <... set_robust_list resumed>) = 0 [pid 6342] <... prctl resumed>) = 0 [pid 6341] <... prctl resumed>) = 0 [pid 6340] <... bpf resumed>) = 3 [pid 6339] +++ exited with 0 +++ [pid 6342] setpgid(0, 0 [pid 6341] setpgid(0, 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6339, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6342] <... setpgid resumed>) = 0 [pid 6341] <... setpgid resumed>) = 0 [pid 6340] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5840] restart_syscall(<... resuming interrupted clone ...>executing program [pid 6343] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6340] <... bpf resumed>) = 4 [pid 6343] <... prctl resumed>) = 0 [pid 6343] setpgid(0, 0 [pid 6341] <... openat resumed>) = 3 [pid 6342] <... openat resumed>) = 3 [pid 6341] write(3, "1000", 4) = 4 [pid 6341] close(3) = 0 [pid 6341] write(1, "executing program\n", 18) = 18 [pid 6341] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6343] <... setpgid resumed>) = 0 [pid 6342] write(3, "1000", 4 [pid 6341] <... bpf resumed>) = 3 [pid 6340] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6342] <... write resumed>) = 4 [pid 6341] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6342] close(3) = 0 [pid 6343] <... openat resumed>) = 3 [pid 6342] write(1, "executing program\n", 18 [pid 6341] <... bpf resumed>) = 4 [pid 5840] <... restart_syscall resumed>) = 0 [pid 6342] <... write resumed>) = 18 executing program [pid 6341] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6343] write(3, "1000", 4 [pid 6342] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6340] <... bpf resumed>) = 5 [pid 6343] <... write resumed>) = 4 [pid 6341] <... bpf resumed>) = 5 [pid 6340] exit_group(0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6343] close(3 [pid 6342] <... bpf resumed>) = 3 [pid 6343] <... close resumed>) = 0 [pid 6341] exit_group(0executing program [pid 6340] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6344 attached [pid 6343] write(1, "executing program\n", 18 [pid 6342] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6341] <... exit_group resumed>) = ? [pid 6343] <... write resumed>) = 18 [pid 6344] set_robust_list(0x5555802da660, 24 [pid 6343] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6344] <... set_robust_list resumed>) = 0 [pid 6343] <... bpf resumed>) = 3 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6344 [pid 6343] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6342] <... bpf resumed>) = 4 [pid 6344] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6342] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6344] <... prctl resumed>) = 0 [pid 6344] setpgid(0, 0) = 0 [pid 6343] <... bpf resumed>) = 4 [pid 6340] +++ exited with 0 +++ [pid 6343] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6341] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6340, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6341, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6344] <... openat resumed>) = 3 [pid 6344] write(3, "1000", 4 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6344] <... write resumed>) = 4 [pid 6344] close(3) = 0 executing program [pid 6344] write(1, "executing program\n", 18./strace-static-x86_64: Process 6345 attached ) = 18 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6345] set_robust_list(0x5555802da660, 24 [pid 6344] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6345 ./strace-static-x86_64: Process 6346 attached [pid 6345] <... set_robust_list resumed>) = 0 [pid 6344] <... bpf resumed>) = 3 [pid 6346] set_robust_list(0x5555802da660, 24 [pid 6345] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6344] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6346 [pid 6346] <... set_robust_list resumed>) = 0 [pid 6345] <... prctl resumed>) = 0 [pid 6344] <... bpf resumed>) = 4 [pid 6346] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6345] setpgid(0, 0 [pid 6346] <... prctl resumed>) = 0 [pid 6345] <... setpgid resumed>) = 0 [pid 6345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6346] setpgid(0, 0 [pid 6344] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6343] <... bpf resumed>) = 5 [pid 6342] <... bpf resumed>) = 5 [pid 6346] <... setpgid resumed>) = 0 [pid 6345] <... openat resumed>) = 3 [pid 6343] exit_group(0 [pid 6342] exit_group(0 [pid 6346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6345] write(3, "1000", 4 [pid 6344] <... bpf resumed>) = 5 [pid 6343] <... exit_group resumed>) = ? [pid 6342] <... exit_group resumed>) = ? [pid 6345] <... write resumed>) = 4 [pid 6344] exit_group(0) = ? [pid 6343] +++ exited with 0 +++ [pid 6346] <... openat resumed>) = 3 [pid 6345] close(3 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6343, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6345] <... close resumed>) = 0 executing program [pid 6346] write(3, "1000", 4) = 4 [pid 6345] write(1, "executing program\n", 18 [pid 6346] close(3 [pid 6345] <... write resumed>) = 18 [pid 6346] <... close resumed>) = 0 [pid 6346] write(1, "executing program\n", 18executing program ) = 18 [pid 6346] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6346] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6345] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6344] +++ exited with 0 +++ [pid 6342] +++ exited with 0 +++ [pid 6346] <... bpf resumed>) = 4 [pid 6345] <... bpf resumed>) = 3 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6342, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6344, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6345] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144./strace-static-x86_64: Process 6347 attached [pid 6346] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6347] set_robust_list(0x5555802da660, 24 [pid 6345] <... bpf resumed>) = 4 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6347 [pid 6345] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6347] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6349 attached ./strace-static-x86_64: Process 6348 attached [pid 6347] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6346] <... bpf resumed>) = 5 [pid 6345] <... bpf resumed>) = 5 [pid 6349] set_robust_list(0x5555802da660, 24 [pid 6348] set_robust_list(0x5555802da660, 24 [pid 6347] <... prctl resumed>) = 0 [pid 6346] exit_group(0 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6349 [pid 6349] <... set_robust_list resumed>) = 0 [pid 6348] <... set_robust_list resumed>) = 0 [pid 6347] setpgid(0, 0 [pid 6346] <... exit_group resumed>) = ? [pid 6349] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6345] exit_group(0 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6348 [pid 6349] <... prctl resumed>) = 0 [pid 6348] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6347] <... setpgid resumed>) = 0 [pid 6345] <... exit_group resumed>) = ? [pid 6349] setpgid(0, 0 [pid 6348] <... prctl resumed>) = 0 [pid 6347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6348] setpgid(0, 0 [pid 6349] <... setpgid resumed>) = 0 [pid 6348] <... setpgid resumed>) = 0 [pid 6347] <... openat resumed>) = 3 [pid 6349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program executing program [pid 6348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6347] write(3, "1000", 4 [pid 6349] <... openat resumed>) = 3 [pid 6347] <... write resumed>) = 4 [pid 6349] write(3, "1000", 4 [pid 6348] <... openat resumed>) = 3 [pid 6349] <... write resumed>) = 4 [pid 6347] close(3 [pid 6349] close(3 [pid 6348] write(3, "1000", 4 [pid 6349] <... close resumed>) = 0 [pid 6347] <... close resumed>) = 0 [pid 6349] write(1, "executing program\n", 18 [pid 6348] <... write resumed>) = 4 [pid 6349] <... write resumed>) = 18 [pid 6347] write(1, "executing program\n", 18 [pid 6348] close(3 [pid 6349] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6347] <... write resumed>) = 18 [pid 6348] <... close resumed>) = 0 [pid 6349] <... bpf resumed>) = 3 [pid 6348] write(1, "executing program\n", 18 executing program [pid 6347] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6348] <... write resumed>) = 18 [pid 6349] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6348] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6347] <... bpf resumed>) = 3 [pid 6348] <... bpf resumed>) = 3 [pid 6348] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6349] <... bpf resumed>) = 4 [pid 6348] <... bpf resumed>) = 4 [pid 6347] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6348] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6349] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6347] <... bpf resumed>) = 4 [pid 6346] +++ exited with 0 +++ [pid 6345] +++ exited with 0 +++ [pid 6347] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6346, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6345, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6350 attached [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6350 ./strace-static-x86_64: Process 6351 attached [pid 6350] set_robust_list(0x5555802da660, 24 [pid 6351] set_robust_list(0x5555802da660, 24 [pid 6350] <... set_robust_list resumed>) = 0 [pid 6351] <... set_robust_list resumed>) = 0 [pid 6350] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6351] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6350] <... prctl resumed>) = 0 [pid 6351] <... prctl resumed>) = 0 [pid 6350] setpgid(0, 0 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6351 [pid 6351] setpgid(0, 0) = 0 [pid 6350] <... setpgid resumed>) = 0 [pid 6351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6351] <... openat resumed>) = 3 [pid 6350] <... openat resumed>) = 3 [pid 6349] <... bpf resumed>) = 5 [pid 6348] <... bpf resumed>) = 5 [pid 6347] <... bpf resumed>) = 5 [pid 6351] write(3, "1000", 4 [pid 6350] write(3, "1000", 4 [pid 6349] exit_group(0 [pid 6348] exit_group(0 [pid 6347] exit_group(0 [pid 6351] <... write resumed>) = 4 [pid 6350] <... write resumed>) = 4 [pid 6348] <... exit_group resumed>) = ? [pid 6347] <... exit_group resumed>) = ? [pid 6351] close(3 [pid 6350] close(3 [pid 6349] <... exit_group resumed>) = ? [pid 6348] +++ exited with 0 +++ [pid 6351] <... close resumed>) = 0 [pid 6350] <... close resumed>) = 0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6348, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- executing program [pid 6351] write(1, "executing program\n", 18executing program [pid 6350] write(1, "executing program\n", 18 [pid 6351] <... write resumed>) = 18 [pid 6350] <... write resumed>) = 18 [pid 6351] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6350] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6351] <... bpf resumed>) = 3 [pid 6350] <... bpf resumed>) = 3 [pid 6351] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6350] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6351] <... bpf resumed>) = 4 [pid 6351] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6350] <... bpf resumed>) = 4 [pid 6350] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6352 attached , child_tidptr=0x5555802da650) = 6352 [pid 6352] set_robust_list(0x5555802da660, 24 [pid 6349] +++ exited with 0 +++ [pid 6347] +++ exited with 0 +++ [pid 6352] <... set_robust_list resumed>) = 0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6349, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6347, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6352] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6352] setpgid(0, 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6352] <... setpgid resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6353 attached ) = 3 [pid 6352] write(3, "1000", 4./strace-static-x86_64: Process 6354 attached [pid 6353] set_robust_list(0x5555802da660, 24 [pid 6351] <... bpf resumed>) = 5 [pid 6350] <... bpf resumed>) = 5 [pid 6354] set_robust_list(0x5555802da660, 24 [pid 6353] <... set_robust_list resumed>) = 0 [pid 6352] <... write resumed>) = 4 [pid 6350] exit_group(0 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6353 [pid 6354] <... set_robust_list resumed>) = 0 [pid 6353] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6352] close(3 [pid 6351] exit_group(0 [pid 6350] <... exit_group resumed>) = ? [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6354 [pid 6354] prctl(PR_SET_PDEATHSIG, SIGKILL executing program [pid 6353] <... prctl resumed>) = 0 [pid 6352] <... close resumed>) = 0 [pid 6351] <... exit_group resumed>) = ? [pid 6350] +++ exited with 0 +++ [pid 6354] <... prctl resumed>) = 0 [pid 6353] setpgid(0, 0 [pid 6352] write(1, "executing program\n", 18 [pid 6354] setpgid(0, 0) = 0 [pid 6353] <... setpgid resumed>) = 0 [pid 6352] <... write resumed>) = 18 [pid 6354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6352] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6354] <... openat resumed>) = 3 [pid 6353] <... openat resumed>) = 3 [pid 6352] <... bpf resumed>) = 3 [pid 6351] +++ exited with 0 +++ [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6350, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6354] write(3, "1000", 4) = 4 [pid 6353] write(3, "1000", 4 [pid 6352] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6351, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6354] close(3 [pid 6353] <... write resumed>) = 4 [pid 6352] <... bpf resumed>) = 4 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 6354] <... close resumed>) = 0 [pid 6353] close(3 [pid 5842] <... restart_syscall resumed>) = 0 [pid 6353] <... close resumed>) = 0 executing program executing program [pid 6354] write(1, "executing program\n", 18 [pid 6353] write(1, "executing program\n", 18 [pid 6354] <... write resumed>) = 18 [pid 6353] <... write resumed>) = 18 [pid 6354] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6353] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6354] <... bpf resumed>) = 3 [pid 6353] <... bpf resumed>) = 3 [pid 6352] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6355 attached [pid 6354] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6353] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144./strace-static-x86_64: Process 6356 attached [pid 6355] set_robust_list(0x5555802da660, 24 [pid 6354] <... bpf resumed>) = 4 [pid 6353] <... bpf resumed>) = 4 [pid 6352] <... bpf resumed>) = 5 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6355 [pid 6356] set_robust_list(0x5555802da660, 24 [pid 6355] <... set_robust_list resumed>) = 0 [pid 6356] <... set_robust_list resumed>) = 0 [pid 6356] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6355] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6354] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6353] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6352] exit_group(0 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6356 [pid 6356] setpgid(0, 0 [pid 6355] <... prctl resumed>) = 0 [pid 6354] <... bpf resumed>) = 5 [pid 6353] <... bpf resumed>) = 5 [pid 6356] <... setpgid resumed>) = 0 [pid 6355] setpgid(0, 0 [pid 6352] <... exit_group resumed>) = ? [pid 6356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6355] <... setpgid resumed>) = 0 [pid 6354] exit_group(0 [pid 6353] exit_group(0 [pid 6352] +++ exited with 0 +++ [pid 6356] <... openat resumed>) = 3 [pid 6355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6354] <... exit_group resumed>) = ? [pid 6353] <... exit_group resumed>) = ? [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6352, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6356] write(3, "1000", 4 [pid 6355] <... openat resumed>) = 3 [pid 6356] <... write resumed>) = 4 [pid 6356] close(3) = 0 [pid 6355] write(3, "1000", 4 executing program [pid 6356] write(1, "executing program\n", 18 [pid 6355] <... write resumed>) = 4 [pid 6356] <... write resumed>) = 18 [pid 6355] close(3 [pid 6356] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6356] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6355] <... close resumed>) = 0 [pid 6356] <... bpf resumed>) = 4 [pid 6355] write(1, "executing program\n", 18executing program [pid 6356] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6355] <... write resumed>) = 18 [pid 6354] +++ exited with 0 +++ [pid 6353] +++ exited with 0 +++ [pid 6355] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6354, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6353, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6357 attached [pid 6355] <... bpf resumed>) = 3 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6357 ./strace-static-x86_64: Process 6358 attached [pid 6357] set_robust_list(0x5555802da660, 24 [pid 6356] <... bpf resumed>) = 5 [pid 6355] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6359 attached [pid 6358] set_robust_list(0x5555802da660, 24 [pid 6357] <... set_robust_list resumed>) = 0 [pid 6356] exit_group(0 [pid 6355] <... bpf resumed>) = 4 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6358 [pid 6358] <... set_robust_list resumed>) = 0 [pid 6357] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6356] <... exit_group resumed>) = ? [pid 6357] <... prctl resumed>) = 0 [pid 6359] set_robust_list(0x5555802da660, 24) = 0 [pid 6358] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6359] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6358] <... prctl resumed>) = 0 [pid 6357] setpgid(0, 0 [pid 6356] +++ exited with 0 +++ [pid 6359] <... prctl resumed>) = 0 [pid 6357] <... setpgid resumed>) = 0 [pid 6359] setpgid(0, 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6356, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6359] <... setpgid resumed>) = 0 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6358] setpgid(0, 0 [pid 6357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6359] <... openat resumed>) = 3 [pid 6358] <... setpgid resumed>) = 0 [pid 6357] <... openat resumed>) = 3 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6359 [pid 6358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6357] write(3, "1000", 4 [pid 6358] <... openat resumed>) = 3 [pid 6357] <... write resumed>) = 4 [pid 6355] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6358] write(3, "1000", 4 [pid 6357] close(3 [pid 6358] <... write resumed>) = 4 [pid 6357] <... close resumed>) = 0 [pid 6358] close(3executing program [pid 6357] write(1, "executing program\n", 18 [pid 6358] <... close resumed>) = 0 [pid 6357] <... write resumed>) = 18 [pid 6357] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program [pid 6359] write(3, "1000", 4 [pid 6358] write(1, "executing program\n", 18 [pid 6357] <... bpf resumed>) = 3 [pid 6359] <... write resumed>) = 4 [pid 6358] <... write resumed>) = 18 [pid 6359] close(3 [pid 6358] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6359] <... close resumed>) = 0 executing program [pid 6359] write(1, "executing program\n", 18 [pid 6358] <... bpf resumed>) = 3 [pid 6357] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6359] <... write resumed>) = 18 [pid 6358] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6357] <... bpf resumed>) = 4 [pid 6359] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6358] <... bpf resumed>) = 4 [pid 6357] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6359] <... bpf resumed>) = 3 [pid 6358] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5838] <... restart_syscall resumed>) = 0 [pid 6359] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6359] <... bpf resumed>) = 4 [pid 6355] <... bpf resumed>) = 5 [pid 6359] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6358] <... bpf resumed>) = 5 [pid 6357] <... bpf resumed>) = 5 [pid 6355] exit_group(0./strace-static-x86_64: Process 6360 attached [pid 6359] <... bpf resumed>) = 5 [pid 6358] exit_group(0 [pid 6357] exit_group(0 [pid 6355] <... exit_group resumed>) = ? [pid 6360] set_robust_list(0x5555802da660, 24 [pid 6359] exit_group(0 [pid 6357] <... exit_group resumed>) = ? [pid 6358] <... exit_group resumed>) = ? [pid 6360] <... set_robust_list resumed>) = 0 [pid 6359] <... exit_group resumed>) = ? [pid 6358] +++ exited with 0 +++ [pid 6355] +++ exited with 0 +++ [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6360 [pid 6360] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6355, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 6360] <... prctl resumed>) = 0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6358, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] <... restart_syscall resumed>) = 0 [pid 6360] setpgid(0, 0 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6360] <... setpgid resumed>) = 0 [pid 5846] <... restart_syscall resumed>) = 0 [pid 6360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6360] <... openat resumed>) = 3 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6360] write(3, "1000", 4./strace-static-x86_64: Process 6362 attached ./strace-static-x86_64: Process 6361 attached ) = 4 [pid 6357] +++ exited with 0 +++ [pid 6362] set_robust_list(0x5555802da660, 24 [pid 6361] set_robust_list(0x5555802da660, 24 [pid 6360] close(3) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6362 [pid 6359] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6357, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6359, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6362] <... set_robust_list resumed>) = 0 [pid 6360] write(1, "executing program\n", 18 [pid 6362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6361] <... set_robust_list resumed>) = 0 [pid 6360] <... write resumed>) = 18 [pid 6362] setpgid(0, 0 [pid 6361] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6360] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6361 [pid 6362] <... setpgid resumed>) = 0 [pid 6361] <... prctl resumed>) = 0 [pid 6360] <... bpf resumed>) = 3 [pid 6362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6361] setpgid(0, 0) = 0 [pid 6360] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6362] <... openat resumed>) = 3 [pid 6361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6360] <... bpf resumed>) = 4 [pid 6362] write(3, "1000", 4) = 4 [pid 6362] close(3 [pid 6361] <... openat resumed>) = 3 [pid 6362] <... close resumed>) = 0 executing program [pid 6362] write(1, "executing program\n", 18) = 18 [pid 6361] write(3, "1000", 4 [pid 6362] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6361] <... write resumed>) = 4 [pid 6362] <... bpf resumed>) = 3 [pid 6361] close(3 [pid 6362] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6361] <... close resumed>) = 0 [pid 6360] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6362] <... bpf resumed>) = 4 [pid 6361] write(1, "executing program\n", 18executing program [pid 5844] <... restart_syscall resumed>) = 0 [pid 5840] <... restart_syscall resumed>) = 0 [pid 6361] <... write resumed>) = 18 [pid 6361] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6361] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6362] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6361] <... bpf resumed>) = 4 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6361] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16./strace-static-x86_64: Process 6363 attached [pid 6362] <... bpf resumed>) = 5 [pid 6360] <... bpf resumed>) = 5 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6364 attached [pid 6363] set_robust_list(0x5555802da660, 24 [pid 6362] exit_group(0 [pid 6361] <... bpf resumed>) = 5 [pid 6360] exit_group(0 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6363 [pid 6364] set_robust_list(0x5555802da660, 24 [pid 6363] <... set_robust_list resumed>) = 0 [pid 6362] <... exit_group resumed>) = ? [pid 6361] exit_group(0 [pid 6360] <... exit_group resumed>) = ? [pid 6364] <... set_robust_list resumed>) = 0 [pid 6363] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6362] +++ exited with 0 +++ [pid 6363] <... prctl resumed>) = 0 [pid 6361] <... exit_group resumed>) = ? [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6364 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6362, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6363] setpgid(0, 0 [pid 6364] setpgid(0, 0 [pid 6363] <... setpgid resumed>) = 0 [pid 6364] <... setpgid resumed>) = 0 [pid 6363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6363] <... openat resumed>) = 3 [pid 6364] <... openat resumed>) = 3 [pid 6363] write(3, "1000", 4 [pid 6364] write(3, "1000", 4 [pid 6363] <... write resumed>) = 4 [pid 6364] <... write resumed>) = 4 [pid 6364] close(3 [pid 6363] close(3 [pid 6364] <... close resumed>) = 0 [pid 6363] <... close resumed>) = 0 [pid 6364] write(1, "executing program\n", 18 [pid 6363] write(1, "executing program\n", 18executing program executing program [pid 6364] <... write resumed>) = 18 [pid 6363] <... write resumed>) = 18 [pid 6364] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6363] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6364] <... bpf resumed>) = 3 [pid 6364] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6363] <... bpf resumed>) = 3 [pid 6361] +++ exited with 0 +++ [pid 6360] +++ exited with 0 +++ [pid 6364] <... bpf resumed>) = 4 [pid 6363] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6361, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6360, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6366 attached ./strace-static-x86_64: Process 6365 attached [pid 6364] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6363] <... bpf resumed>) = 4 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6366] set_robust_list(0x5555802da660, 24 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6366 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6365 [pid 6366] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6367 attached [pid 6366] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6365] set_robust_list(0x5555802da660, 24 [pid 6363] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6366] <... prctl resumed>) = 0 [pid 6366] setpgid(0, 0) = 0 [pid 6367] set_robust_list(0x5555802da660, 24 [pid 6365] <... set_robust_list resumed>) = 0 [pid 6364] <... bpf resumed>) = 5 [pid 6363] <... bpf resumed>) = 5 [pid 6367] <... set_robust_list resumed>) = 0 [pid 6366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6365] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6364] exit_group(0 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6367 [pid 6363] exit_group(0 [pid 6367] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6366] <... openat resumed>) = 3 [pid 6365] <... prctl resumed>) = 0 [pid 6364] <... exit_group resumed>) = ? [pid 6363] <... exit_group resumed>) = ? [pid 6367] <... prctl resumed>) = 0 [pid 6366] write(3, "1000", 4 [pid 6365] setpgid(0, 0) = 0 [pid 6366] <... write resumed>) = 4 [pid 6365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6366] close(3) = 0 [pid 6365] <... openat resumed>) = 3 [pid 6367] setpgid(0, 0 executing program [pid 6366] write(1, "executing program\n", 18 [pid 6365] write(3, "1000", 4 [pid 6367] <... setpgid resumed>) = 0 [pid 6366] <... write resumed>) = 18 [pid 6365] <... write resumed>) = 4 [pid 6367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6366] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6365] close(3 [pid 6367] <... openat resumed>) = 3 [pid 6366] <... bpf resumed>) = 3 [pid 6365] <... close resumed>) = 0 [pid 6367] write(3, "1000", 4 [pid 6366] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6365] write(1, "executing program\n", 18executing program [pid 6367] <... write resumed>) = 4 [pid 6366] <... bpf resumed>) = 4 [pid 6365] <... write resumed>) = 18 [pid 6367] close(3 [pid 6366] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6365] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program [pid 6367] <... close resumed>) = 0 [pid 6365] <... bpf resumed>) = 3 [pid 6367] write(1, "executing program\n", 18 [pid 6365] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6367] <... write resumed>) = 18 [pid 6365] <... bpf resumed>) = 4 [pid 6367] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6367] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 6365] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6364] +++ exited with 0 +++ [pid 6363] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6364, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6363, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6367] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6368 attached ./strace-static-x86_64: Process 6369 attached [pid 6369] set_robust_list(0x5555802da660, 24 [pid 6368] set_robust_list(0x5555802da660, 24 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6368 [pid 6369] <... set_robust_list resumed>) = 0 [pid 6368] <... set_robust_list resumed>) = 0 [pid 6369] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6369 [pid 6369] <... prctl resumed>) = 0 [pid 6368] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6369] setpgid(0, 0 [pid 6368] <... prctl resumed>) = 0 [pid 6369] <... setpgid resumed>) = 0 [pid 6368] setpgid(0, 0 [pid 6369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6368] <... setpgid resumed>) = 0 [pid 6369] <... openat resumed>) = 3 [pid 6368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6366] <... bpf resumed>) = 5 [pid 6369] write(3, "1000", 4 [pid 6365] <... bpf resumed>) = 5 [pid 6368] <... openat resumed>) = 3 [pid 6369] <... write resumed>) = 4 [pid 6365] exit_group(0 [pid 6369] close(3 [pid 6368] write(3, "1000", 4 [pid 6369] <... close resumed>) = 0 [pid 6365] <... exit_group resumed>) = ? [pid 6369] write(1, "executing program\n", 18 [pid 6368] <... write resumed>) = 4 [pid 6367] <... bpf resumed>) = 5 [pid 6366] exit_group(0 executing program [pid 6367] exit_group(0 [pid 6366] <... exit_group resumed>) = ? [pid 6369] <... write resumed>) = 18 [pid 6368] close(3 [pid 6367] <... exit_group resumed>) = ? [pid 6365] +++ exited with 0 +++ [pid 6369] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6368] <... close resumed>) = 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6365, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6369] <... bpf resumed>) = 3 [pid 6369] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6368] write(1, "executing program\n", 18executing program [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6369] <... bpf resumed>) = 4 [pid 6368] <... write resumed>) = 18 [pid 6368] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5838] <... restart_syscall resumed>) = 0 [pid 6368] <... bpf resumed>) = 3 [pid 6369] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6368] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6366] +++ exited with 0 +++ [pid 6367] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6366, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6367, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6370 attached [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6370 ./strace-static-x86_64: Process 6371 attached [pid 6370] set_robust_list(0x5555802da660, 24 [pid 6368] <... bpf resumed>) = 4 [pid 6371] set_robust_list(0x5555802da660, 24 [pid 6370] <... set_robust_list resumed>) = 0 [pid 6368] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6372 attached [pid 6371] <... set_robust_list resumed>) = 0 [pid 6370] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6371 [pid 6372] set_robust_list(0x5555802da660, 24 [pid 6371] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6370] <... prctl resumed>) = 0 [pid 6372] <... set_robust_list resumed>) = 0 [pid 6370] setpgid(0, 0) = 0 [pid 6372] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6371] <... prctl resumed>) = 0 [pid 6370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6371] setpgid(0, 0 [pid 6370] <... openat resumed>) = 3 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6372 [pid 6371] <... setpgid resumed>) = 0 [pid 6372] <... prctl resumed>) = 0 [pid 6371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6372] setpgid(0, 0 [pid 6371] <... openat resumed>) = 3 [pid 6370] write(3, "1000", 4 [pid 6372] <... setpgid resumed>) = 0 [pid 6370] <... write resumed>) = 4 [pid 6370] close(3) = 0 [pid 6372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6371] write(3, "1000", 4 [pid 6369] <... bpf resumed>) = 5 [pid 6368] <... bpf resumed>) = 5 [pid 6372] <... openat resumed>) = 3 executing program [pid 6371] <... write resumed>) = 4 [pid 6370] write(1, "executing program\n", 18 [pid 6369] exit_group(0 [pid 6372] write(3, "1000", 4 [pid 6371] close(3 [pid 6370] <... write resumed>) = 18 [pid 6369] <... exit_group resumed>) = ? [pid 6368] exit_group(0 [pid 6372] <... write resumed>) = 4 [pid 6371] <... close resumed>) = 0 [pid 6370] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6372] close(3executing program [pid 6368] <... exit_group resumed>) = ? [pid 6372] <... close resumed>) = 0 [pid 6371] write(1, "executing program\n", 18 [pid 6370] <... bpf resumed>) = 3 executing program [pid 6372] write(1, "executing program\n", 18 [pid 6371] <... write resumed>) = 18 [pid 6370] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6372] <... write resumed>) = 18 [pid 6371] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6370] <... bpf resumed>) = 4 [pid 6372] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6371] <... bpf resumed>) = 3 [pid 6371] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6372] <... bpf resumed>) = 3 [pid 6372] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6371] <... bpf resumed>) = 4 [pid 6370] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6371] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6372] <... bpf resumed>) = 4 [pid 6369] +++ exited with 0 +++ [pid 6372] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6369, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6368] +++ exited with 0 +++ [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6368, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5844] <... restart_syscall resumed>) = 0 [pid 5840] <... restart_syscall resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6372] <... bpf resumed>) = 5 [pid 6371] <... bpf resumed>) = 5 [pid 6370] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 6373 attached [pid 6372] exit_group(0 [pid 6371] exit_group(0 [pid 6370] exit_group(0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6373] set_robust_list(0x5555802da660, 24 [pid 6372] <... exit_group resumed>) = ? [pid 6371] <... exit_group resumed>) = ? [pid 6370] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6374 attached [pid 6373] <... set_robust_list resumed>) = 0 [pid 6371] +++ exited with 0 +++ [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6373 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6371, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6374 [pid 6374] set_robust_list(0x5555802da660, 24 [pid 6373] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6372] +++ exited with 0 +++ [pid 6370] +++ exited with 0 +++ [pid 5846] <... restart_syscall resumed>) = 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6372, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6370, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6374] <... set_robust_list resumed>) = 0 [pid 6373] <... prctl resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6374] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6373] setpgid(0, 0./strace-static-x86_64: Process 6375 attached [pid 6374] <... prctl resumed>) = 0 [pid 6373] <... setpgid resumed>) = 0 [pid 6375] set_robust_list(0x5555802da660, 24 [pid 6374] setpgid(0, 0 [pid 6373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6375 ./strace-static-x86_64: Process 6376 attached [pid 6375] <... set_robust_list resumed>) = 0 [pid 6374] <... setpgid resumed>) = 0 [pid 6373] <... openat resumed>) = 3 [pid 6376] set_robust_list(0x5555802da660, 24 [pid 6375] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6373] write(3, "1000", 4 [pid 6376] <... set_robust_list resumed>) = 0 [pid 6375] <... prctl resumed>) = 0 [pid 6374] <... openat resumed>) = 3 [pid 6373] <... write resumed>) = 4 [pid 6376] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6375] setpgid(0, 0 [pid 6374] write(3, "1000", 4 [pid 6373] close(3 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6376 [pid 6376] <... prctl resumed>) = 0 [pid 6375] <... setpgid resumed>) = 0 [pid 6374] <... write resumed>) = 4 [pid 6373] <... close resumed>) = 0 [pid 6376] setpgid(0, 0 [pid 6375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6374] close(3 [pid 6373] write(1, "executing program\n", 18 [pid 6376] <... setpgid resumed>) = 0 [pid 6374] <... close resumed>) = 0 executing program executing program [pid 6376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6375] <... openat resumed>) = 3 [pid 6374] write(1, "executing program\n", 18 [pid 6373] <... write resumed>) = 18 [pid 6375] write(3, "1000", 4 [pid 6376] <... openat resumed>) = 3 [pid 6374] <... write resumed>) = 18 [pid 6373] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6376] write(3, "1000", 4 [pid 6375] <... write resumed>) = 4 [pid 6374] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6376] <... write resumed>) = 4 [pid 6373] <... bpf resumed>) = 3 executing program [pid 6375] close(3) = 0 [pid 6375] write(1, "executing program\n", 18) = 18 [pid 6376] close(3 [pid 6375] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6374] <... bpf resumed>) = 3 [pid 6373] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6376] <... close resumed>) = 0 [pid 6375] <... bpf resumed>) = 3 [pid 6374] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6375] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6376] write(1, "executing program\n", 18 executing program [pid 5838] <... restart_syscall resumed>) = 0 [pid 6376] <... write resumed>) = 18 [pid 6376] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6373] <... bpf resumed>) = 4 [pid 6376] <... bpf resumed>) = 3 [pid 6376] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6375] <... bpf resumed>) = 4 [pid 6376] <... bpf resumed>) = 4 [pid 6375] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6374] <... bpf resumed>) = 4 [pid 6373] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6376] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6375] <... bpf resumed>) = 5 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6374] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16./strace-static-x86_64: Process 6377 attached [pid 6376] <... bpf resumed>) = 5 [pid 6375] exit_group(0 [pid 6374] <... bpf resumed>) = 5 [pid 6373] <... bpf resumed>) = 5 [pid 6377] set_robust_list(0x5555802da660, 24 [pid 6376] exit_group(0 [pid 6375] <... exit_group resumed>) = ? [pid 6374] exit_group(0 [pid 6377] <... set_robust_list resumed>) = 0 [pid 6376] <... exit_group resumed>) = ? [pid 6375] +++ exited with 0 +++ [pid 6374] <... exit_group resumed>) = ? [pid 6373] exit_group(0 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6377 [pid 6377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6375, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6378 attached [pid 6376] +++ exited with 0 +++ [pid 6373] <... exit_group resumed>) = ? [pid 6378] set_robust_list(0x5555802da660, 24) = 0 [pid 6378] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6378 [pid 6378] <... prctl resumed>) = 0 [pid 6378] setpgid(0, 0 [pid 6377] <... prctl resumed>) = 0 [pid 6378] <... setpgid resumed>) = 0 [pid 6378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6377] setpgid(0, 0 [pid 6374] +++ exited with 0 +++ [pid 6373] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6376, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6377] <... setpgid resumed>) = 0 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6378] write(3, "1000", 4) = 4 [pid 6377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6374, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] <... restart_syscall resumed>) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6373, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6378] close(3 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6378] <... close resumed>) = 0 executing program [pid 6378] write(1, "executing program\n", 18 [pid 6377] <... openat resumed>) = 3 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6378] <... write resumed>) = 18 [pid 6378] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6377] write(3, "1000", 4./strace-static-x86_64: Process 6379 attached [pid 6378] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6377] <... write resumed>) = 4 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6379 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5840] <... restart_syscall resumed>) = 0 [pid 6379] set_robust_list(0x5555802da660, 24 [pid 6377] close(3 [pid 6379] <... set_robust_list resumed>) = 0 [pid 6377] <... close resumed>) = 0 [pid 6379] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6377] write(1, "executing program\n", 18executing program [pid 6379] <... prctl resumed>) = 0 [pid 6377] <... write resumed>) = 18 [pid 6379] setpgid(0, 0 [pid 6377] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6378] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 6380 attached [pid 6379] <... setpgid resumed>) = 0 [pid 6378] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6377] <... bpf resumed>) = 3 [pid 6379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 6377] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6380] set_robust_list(0x5555802da660, 24 [pid 6379] <... openat resumed>) = 3 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6380 [pid 6379] write(3, "1000", 4) = 4 [pid 6379] close(3) = 0 [pid 6379] write(1, "executing program\n", 18) = 18 [pid 6379] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 ./strace-static-x86_64: Process 6381 attached [pid 6380] <... set_robust_list resumed>) = 0 [pid 6378] <... bpf resumed>) = 5 [pid 6377] <... bpf resumed>) = 4 [pid 6380] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6381] set_robust_list(0x5555802da660, 24 [pid 6379] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6381] <... set_robust_list resumed>) = 0 [pid 6378] exit_group(0 [pid 6377] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6381] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6380] <... prctl resumed>) = 0 [pid 6379] <... bpf resumed>) = 4 [pid 6378] <... exit_group resumed>) = ? [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6381 [pid 6380] setpgid(0, 0) = 0 [pid 6377] <... bpf resumed>) = 5 [pid 6381] <... prctl resumed>) = 0 [pid 6380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6381] setpgid(0, 0 [pid 6380] <... openat resumed>) = 3 [pid 6380] write(3, "1000", 4executing program [pid 6381] <... setpgid resumed>) = 0 [pid 6379] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6378] +++ exited with 0 +++ [pid 6377] exit_group(0 [pid 6381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6377] <... exit_group resumed>) = ? [pid 6380] <... write resumed>) = 4 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6378, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6380] close(3 [pid 6379] <... bpf resumed>) = 5 [pid 6380] <... close resumed>) = 0 [pid 6380] write(1, "executing program\n", 18 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6381] <... openat resumed>) = 3 [pid 6380] <... write resumed>) = 18 [pid 6379] exit_group(0 [pid 6381] write(3, "1000", 4 [pid 6380] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6379] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6382 attached [pid 6381] <... write resumed>) = 4 [pid 6380] <... bpf resumed>) = 3 [pid 6382] set_robust_list(0x5555802da660, 24 [pid 6381] close(3 [pid 6382] <... set_robust_list resumed>) = 0 [pid 6380] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6381] <... close resumed>) = 0 [pid 6382] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6382 executing program [pid 6381] write(1, "executing program\n", 18 [pid 6382] <... prctl resumed>) = 0 [pid 6381] <... write resumed>) = 18 [pid 6380] <... bpf resumed>) = 4 [pid 6379] +++ exited with 0 +++ [pid 6377] +++ exited with 0 +++ [pid 6382] setpgid(0, 0 [pid 6381] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6380] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6379, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6377, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6382] <... setpgid resumed>) = 0 [pid 6381] <... bpf resumed>) = 3 [pid 6382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6381] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6382] <... openat resumed>) = 3 [pid 6381] <... bpf resumed>) = 4 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6382] write(3, "1000", 4) = 4 [pid 6382] close(3) = 0 [pid 6382] write(1, "executing program\n", 18) = 18 executing program [pid 6382] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6382] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144./strace-static-x86_64: Process 6383 attached [pid 6381] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6383] set_robust_list(0x5555802da660, 24./strace-static-x86_64: Process 6384 attached ) = 0 [pid 6382] <... bpf resumed>) = 4 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6383 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6384 [pid 6384] set_robust_list(0x5555802da660, 24 [pid 6383] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6382] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6381] <... bpf resumed>) = 5 [pid 6380] <... bpf resumed>) = 5 [pid 6384] <... set_robust_list resumed>) = 0 [pid 6383] <... prctl resumed>) = 0 [pid 6384] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6383] setpgid(0, 0 [pid 6382] <... bpf resumed>) = 5 [pid 6381] exit_group(0 [pid 6380] exit_group(0 [pid 6384] <... prctl resumed>) = 0 [pid 6383] <... setpgid resumed>) = 0 [pid 6382] exit_group(0 [pid 6381] <... exit_group resumed>) = ? [pid 6380] <... exit_group resumed>) = ? [pid 6384] setpgid(0, 0 [pid 6383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6382] <... exit_group resumed>) = ? [pid 6381] +++ exited with 0 +++ [pid 6384] <... setpgid resumed>) = 0 [pid 6383] <... openat resumed>) = 3 [pid 6383] write(3, "1000", 4 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6381, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6383] <... write resumed>) = 4 [pid 6383] close(3) = 0 executing program [pid 6384] <... openat resumed>) = 3 [pid 6383] write(1, "executing program\n", 18) = 18 [pid 6384] write(3, "1000", 4 [pid 6383] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6384] <... write resumed>) = 4 [pid 6383] <... bpf resumed>) = 3 [pid 6384] close(3 [pid 5840] <... restart_syscall resumed>) = 0 [pid 6384] <... close resumed>) = 0 [pid 6383] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6384] write(1, "executing program\n", 18executing program [pid 6383] <... bpf resumed>) = 4 [pid 6384] <... write resumed>) = 18 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6384] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 6385 attached ) = 3 [pid 6385] set_robust_list(0x5555802da660, 24 [pid 6384] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6383] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6385] <... set_robust_list resumed>) = 0 [pid 6384] <... bpf resumed>) = 4 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6385 [pid 6385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6380] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6380, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 6385] setpgid(0, 0 [pid 6382] +++ exited with 0 +++ [pid 6385] <... setpgid resumed>) = 0 [pid 6384] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6382, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 6385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6385] write(3, "1000", 4) = 4 executing program [pid 6385] close(3) = 0 [pid 6385] write(1, "executing program\n", 18) = 18 [pid 6385] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6385] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 6385] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5842] <... restart_syscall resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6383] <... bpf resumed>) = 5 [pid 6384] <... bpf resumed>) = 5 [pid 6385] <... bpf resumed>) = 5 [pid 6383] exit_group(0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6386 attached [pid 6385] exit_group(0 [pid 6384] exit_group(0 [pid 6383] <... exit_group resumed>) = ? [pid 6385] <... exit_group resumed>) = ? [pid 6384] <... exit_group resumed>) = ? [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6386 [pid 6386] set_robust_list(0x5555802da660, 24 [pid 6385] +++ exited with 0 +++ [pid 6386] <... set_robust_list resumed>) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6385, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6386] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6386] <... prctl resumed>) = 0 [pid 6386] setpgid(0, 0./strace-static-x86_64: Process 6387 attached ) = 0 [pid 6386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6387] set_robust_list(0x5555802da660, 24) = 0 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6387 [pid 6387] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6386] <... openat resumed>) = 3 [pid 6387] <... prctl resumed>) = 0 [pid 6387] setpgid(0, 0 [pid 6386] write(3, "1000", 4 [pid 6387] <... setpgid resumed>) = 0 [pid 6386] <... write resumed>) = 4 [pid 6387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6386] close(3executing program ) = 0 [pid 6386] write(1, "executing program\n", 18) = 18 [pid 6386] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6387] <... openat resumed>) = 3 [pid 6387] write(3, "1000", 4) = 4 [pid 6386] <... bpf resumed>) = 3 [pid 6387] close(3) = 0 [pid 6386] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6387] write(1, "executing program\n", 18executing program [pid 6386] <... bpf resumed>) = 4 [pid 6387] <... write resumed>) = 18 [pid 6387] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6386] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6387] <... bpf resumed>) = 3 [pid 6387] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5840] <... restart_syscall resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6387] <... bpf resumed>) = 4 [pid 6384] +++ exited with 0 +++ [pid 6383] +++ exited with 0 +++ [pid 6387] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6383, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6388 attached [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6384, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6388 [pid 6388] set_robust_list(0x5555802da660, 24) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6388] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6388] setpgid(0, 0) = 0 [pid 6388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6389 attached [pid 6389] set_robust_list(0x5555802da660, 24 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6389 [pid 6389] <... set_robust_list resumed>) = 0 [pid 6388] <... openat resumed>) = 3 [pid 6389] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6388] write(3, "1000", 4 [pid 6389] <... prctl resumed>) = 0 [pid 6388] <... write resumed>) = 4 [pid 6389] setpgid(0, 0 [pid 6388] close(3 [pid 6389] <... setpgid resumed>) = 0 [pid 6389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6388] <... close resumed>) = 0 [pid 6386] <... bpf resumed>) = 5 [pid 5838] <... restart_syscall resumed>) = 0 [pid 6388] write(1, "executing program\n", 18 [pid 6387] <... bpf resumed>) = 5 executing program [pid 6388] <... write resumed>) = 18 [pid 6389] <... openat resumed>) = 3 [pid 6386] exit_group(0 [pid 6389] write(3, "1000", 4 [pid 6388] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6386] <... exit_group resumed>) = ? [pid 6387] exit_group(0 [pid 6389] <... write resumed>) = 4 [pid 6388] <... bpf resumed>) = 3 [pid 6387] <... exit_group resumed>) = ? [pid 6389] close(3 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6389] <... close resumed>) = 0 executing program [pid 6389] write(1, "executing program\n", 18./strace-static-x86_64: Process 6390 attached ) = 18 [pid 6390] set_robust_list(0x5555802da660, 24 [pid 6389] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6390] <... set_robust_list resumed>) = 0 [pid 6389] <... bpf resumed>) = 3 [pid 6388] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6390 [pid 6390] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6389] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6390] <... prctl resumed>) = 0 [pid 6388] <... bpf resumed>) = 4 [pid 6390] setpgid(0, 0) = 0 [pid 6388] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6389] <... bpf resumed>) = 4 [pid 6389] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6390] <... openat resumed>) = 3 [pid 6390] write(3, "1000", 4) = 4 [pid 6390] close(3) = 0 executing program [pid 6390] write(1, "executing program\n", 18 [pid 6386] +++ exited with 0 +++ [pid 6390] <... write resumed>) = 18 [pid 6387] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6386, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6390] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6387, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6390] <... bpf resumed>) = 3 [pid 5844] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6391 attached [pid 6391] set_robust_list(0x5555802da660, 24) = 0 [pid 6391] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6390] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6389] <... bpf resumed>) = 5 [pid 6388] <... bpf resumed>) = 5 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6391 [pid 6391] <... prctl resumed>) = 0 [pid 6390] <... bpf resumed>) = 4 [pid 6389] exit_group(0 [pid 6388] exit_group(0./strace-static-x86_64: Process 6392 attached [pid 6391] setpgid(0, 0 [pid 6389] <... exit_group resumed>) = ? [pid 6388] <... exit_group resumed>) = ? [pid 6392] set_robust_list(0x5555802da660, 24 [pid 6391] <... setpgid resumed>) = 0 [pid 6390] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6389] +++ exited with 0 +++ [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6392 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6389, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6392] <... set_robust_list resumed>) = 0 [pid 6391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6388] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6388, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6391] <... openat resumed>) = 3 [pid 6392] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6391] write(3, "1000", 4 [pid 6392] <... prctl resumed>) = 0 [pid 6391] <... write resumed>) = 4 [pid 6392] setpgid(0, 0 [pid 6391] close(3 [pid 6392] <... setpgid resumed>) = 0 [pid 6391] <... close resumed>) = 0 [pid 6391] write(1, "executing program\n", 18executing program [pid 6392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6391] <... write resumed>) = 18 [pid 6392] <... openat resumed>) = 3 [pid 6392] write(3, "1000", 4 [pid 6391] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6392] <... write resumed>) = 4 [pid 6392] close(3 [pid 6391] <... bpf resumed>) = 3 [pid 6392] <... close resumed>) = 0 executing program [pid 6392] write(1, "executing program\n", 18) = 18 [pid 6391] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5840] <... restart_syscall resumed>) = 0 [pid 6392] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6391] <... bpf resumed>) = 4 [pid 6392] <... bpf resumed>) = 3 [pid 6392] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6391] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6390] <... bpf resumed>) = 5 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6392] <... bpf resumed>) = 4 [pid 6391] <... bpf resumed>) = 5 [pid 6390] exit_group(0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6390] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6393 attached [pid 6392] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16./strace-static-x86_64: Process 6394 attached [pid 6393] set_robust_list(0x5555802da660, 24 [pid 6392] <... bpf resumed>) = 5 [pid 6391] exit_group(0 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6393 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6394 [pid 6394] set_robust_list(0x5555802da660, 24) = 0 [pid 6394] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6393] <... set_robust_list resumed>) = 0 [pid 6392] exit_group(0 [pid 6391] <... exit_group resumed>) = ? [pid 6390] +++ exited with 0 +++ [pid 6394] <... prctl resumed>) = 0 [pid 6393] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6392] <... exit_group resumed>) = ? [pid 6394] setpgid(0, 0 [pid 6393] <... prctl resumed>) = 0 [pid 6394] <... setpgid resumed>) = 0 [pid 6393] setpgid(0, 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6390, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6393] <... setpgid resumed>) = 0 [pid 6394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6394] <... openat resumed>) = 3 [pid 6393] <... openat resumed>) = 3 [pid 6391] +++ exited with 0 +++ [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6393] write(3, "1000", 4 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6391, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6393] <... write resumed>) = 4 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 6393] close(3) = 0 executing program [pid 6393] write(1, "executing program\n", 18 [pid 6394] write(3, "1000", 4 [pid 6393] <... write resumed>) = 18 [pid 6392] +++ exited with 0 +++ [pid 5842] <... restart_syscall resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 6394] <... write resumed>) = 4 [pid 6394] close(3 [pid 6393] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6392, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6394] <... close resumed>) = 0 [pid 6393] <... bpf resumed>) = 3 [pid 6393] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6394] write(1, "executing program\n", 18 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 6394] <... write resumed>) = 18 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6395 attached [pid 6394] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 6396 attached [pid 6395] set_robust_list(0x5555802da660, 24 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6397 attached [pid 6396] set_robust_list(0x5555802da660, 24 [pid 6395] <... set_robust_list resumed>) = 0 [pid 6394] <... bpf resumed>) = 3 [pid 6393] <... bpf resumed>) = 4 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6395 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6396 [pid 6397] set_robust_list(0x5555802da660, 24 [pid 6396] <... set_robust_list resumed>) = 0 [pid 6395] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6394] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6397] <... set_robust_list resumed>) = 0 [pid 6396] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6395] <... prctl resumed>) = 0 [pid 6393] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6397 [pid 6395] setpgid(0, 0) = 0 [pid 6397] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6396] <... prctl resumed>) = 0 [pid 6395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6397] <... prctl resumed>) = 0 [pid 6396] setpgid(0, 0 [pid 6394] <... bpf resumed>) = 4 [pid 6397] setpgid(0, 0 [pid 6396] <... setpgid resumed>) = 0 [pid 6394] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6397] <... setpgid resumed>) = 0 [pid 6396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6395] <... openat resumed>) = 3 [pid 6393] <... bpf resumed>) = 5 [pid 6397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6395] write(3, "1000", 4 [pid 6394] <... bpf resumed>) = 5 [pid 6396] <... openat resumed>) = 3 [pid 6397] <... openat resumed>) = 3 [pid 6396] write(3, "1000", 4 [pid 6395] <... write resumed>) = 4 [pid 6394] exit_group(0 [pid 6393] exit_group(0 [pid 6397] write(3, "1000", 4 [pid 6396] <... write resumed>) = 4 [pid 6395] close(3 [pid 6397] <... write resumed>) = 4 [pid 6394] <... exit_group resumed>) = ? [pid 6393] <... exit_group resumed>) = ? executing program executing program [pid 6397] close(3 [pid 6396] close(3 [pid 6395] <... close resumed>) = 0 [pid 6394] +++ exited with 0 +++ [pid 6393] +++ exited with 0 +++ [pid 6396] <... close resumed>) = 0 [pid 6397] <... close resumed>) = 0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6393, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6397] write(1, "executing program\n", 18 [pid 6396] write(1, "executing program\n", 18 [pid 6397] <... write resumed>) = 18 [pid 6396] <... write resumed>) = 18 [pid 6397] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 executing program [pid 6396] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6395] write(1, "executing program\n", 18 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6394, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6397] <... bpf resumed>) = 3 [pid 6395] <... write resumed>) = 18 [pid 6396] <... bpf resumed>) = 3 [pid 6395] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6397] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6396] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6395] <... bpf resumed>) = 3 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6398 attached [pid 6395] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6397] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 6399 attached [pid 6398] set_robust_list(0x5555802da660, 24 [pid 6395] <... bpf resumed>) = 4 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6399 [pid 6399] set_robust_list(0x5555802da660, 24 [pid 6398] <... set_robust_list resumed>) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6398 [pid 6398] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6397] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6398] <... prctl resumed>) = 0 [pid 6399] <... set_robust_list resumed>) = 0 [pid 6398] setpgid(0, 0 [pid 6396] <... bpf resumed>) = 4 [pid 6399] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6398] <... setpgid resumed>) = 0 [pid 6397] <... bpf resumed>) = 5 [pid 6399] <... prctl resumed>) = 0 [pid 6395] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6399] setpgid(0, 0 [pid 6398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6399] <... setpgid resumed>) = 0 [pid 6398] <... openat resumed>) = 3 [pid 6397] exit_group(0 [pid 6396] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6398] write(3, "1000", 4 [pid 6397] <... exit_group resumed>) = ? [pid 6399] <... openat resumed>) = 3 [pid 6398] <... write resumed>) = 4 [pid 6396] <... bpf resumed>) = 5 [pid 6395] <... bpf resumed>) = 5 [pid 6399] write(3, "1000", 4 [pid 6398] close(3 [pid 6397] +++ exited with 0 +++ [pid 6396] exit_group(0 [pid 6395] exit_group(0 [pid 6399] <... write resumed>) = 4 [pid 6398] <... close resumed>) = 0 [pid 6396] <... exit_group resumed>) = ? [pid 6395] <... exit_group resumed>) = ? executing program [pid 6399] close(3 [pid 6398] write(1, "executing program\n", 18 [pid 6399] <... close resumed>) = 0 [pid 6398] <... write resumed>) = 18 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6397, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6399] write(1, "executing program\n", 18executing program [pid 6398] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6399] <... write resumed>) = 18 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6399] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6398] <... bpf resumed>) = 3 [pid 6398] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6399] <... bpf resumed>) = 3 [pid 6398] <... bpf resumed>) = 4 [pid 6396] +++ exited with 0 +++ [pid 6395] +++ exited with 0 +++ [pid 5838] <... restart_syscall resumed>) = 0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6395, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6396, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6399] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6398] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6399] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6400 attached [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6400 ./strace-static-x86_64: Process 6401 attached ./strace-static-x86_64: Process 6402 attached [pid 6401] set_robust_list(0x5555802da660, 24 [pid 6400] set_robust_list(0x5555802da660, 24 [pid 6399] <... bpf resumed>) = 5 [pid 6398] <... bpf resumed>) = 5 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6401 [pid 6402] set_robust_list(0x5555802da660, 24 [pid 6401] <... set_robust_list resumed>) = 0 [pid 6400] <... set_robust_list resumed>) = 0 [pid 6399] exit_group(0 [pid 6402] <... set_robust_list resumed>) = 0 [pid 6401] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6400] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6399] <... exit_group resumed>) = ? [pid 6398] exit_group(0 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6402 [pid 6402] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6401] <... prctl resumed>) = 0 [pid 6400] <... prctl resumed>) = 0 [pid 6399] +++ exited with 0 +++ [pid 6398] <... exit_group resumed>) = ? [pid 6402] <... prctl resumed>) = 0 [pid 6401] setpgid(0, 0 [pid 6400] setpgid(0, 0 [pid 6402] setpgid(0, 0 [pid 6401] <... setpgid resumed>) = 0 [pid 6400] <... setpgid resumed>) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6399, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6402] <... setpgid resumed>) = 0 [pid 6401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6401] <... openat resumed>) = 3 [pid 6402] <... openat resumed>) = 3 [pid 6400] <... openat resumed>) = 3 [pid 6398] +++ exited with 0 +++ [pid 5840] <... restart_syscall resumed>) = 0 [pid 6402] write(3, "1000", 4 [pid 6401] write(3, "1000", 4 [pid 6400] write(3, "1000", 4 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6398, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6402] <... write resumed>) = 4 [pid 6401] <... write resumed>) = 4 [pid 6400] <... write resumed>) = 4 [pid 6402] close(3 [pid 6401] close(3 [pid 6400] close(3 [pid 6402] <... close resumed>) = 0 [pid 6401] <... close resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6403 attached [pid 6402] write(1, "executing program\n", 18executing program executing program [pid 6401] write(1, "executing program\n", 18 [pid 6400] <... close resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6404 attached [pid 6403] set_robust_list(0x5555802da660, 24 [pid 6402] <... write resumed>) = 18 [pid 6401] <... write resumed>) = 18 executing program [pid 6400] write(1, "executing program\n", 18 [pid 6403] <... set_robust_list resumed>) = 0 [pid 6402] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6403] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6401] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6400] <... write resumed>) = 18 [pid 6404] set_robust_list(0x5555802da660, 24 [pid 6403] <... prctl resumed>) = 0 [pid 6404] <... set_robust_list resumed>) = 0 [pid 6403] setpgid(0, 0 [pid 6402] <... bpf resumed>) = 3 [pid 6401] <... bpf resumed>) = 3 [pid 6400] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6404 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6403 [pid 6404] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6403] <... setpgid resumed>) = 0 [pid 6402] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6401] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6400] <... bpf resumed>) = 3 [pid 6404] <... prctl resumed>) = 0 [pid 6403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6402] <... bpf resumed>) = 4 [pid 6401] <... bpf resumed>) = 4 [pid 6400] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6404] setpgid(0, 0 [pid 6403] <... openat resumed>) = 3 [pid 6404] <... setpgid resumed>) = 0 [pid 6404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6402] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6404] <... openat resumed>) = 3 [pid 6403] write(3, "1000", 4 [pid 6402] <... bpf resumed>) = 5 [pid 6401] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6400] <... bpf resumed>) = 4 [pid 6404] write(3, "1000", 4 [pid 6403] <... write resumed>) = 4 [pid 6404] <... write resumed>) = 4 [pid 6403] close(3 [pid 6402] exit_group(0 [pid 6401] <... bpf resumed>) = 5 [pid 6400] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6404] close(3 [pid 6403] <... close resumed>) = 0 [pid 6402] <... exit_group resumed>) = ? [pid 6403] write(1, "executing program\n", 18 [pid 6404] <... close resumed>) = 0 executing program executing program [pid 6404] write(1, "executing program\n", 18 [pid 6403] <... write resumed>) = 18 [pid 6404] <... write resumed>) = 18 [pid 6403] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6404] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6401] exit_group(0) = ? [pid 6404] <... bpf resumed>) = 3 [pid 6403] <... bpf resumed>) = 3 [pid 6404] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6403] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6404] <... bpf resumed>) = 4 [pid 6403] <... bpf resumed>) = 4 [pid 6403] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6404] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6402] +++ exited with 0 +++ [pid 6400] <... bpf resumed>) = 5 [pid 6400] exit_group(0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6402, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6400] <... exit_group resumed>) = ? [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6405 attached , child_tidptr=0x5555802da650) = 6405 [pid 6405] set_robust_list(0x5555802da660, 24) = 0 [pid 6401] +++ exited with 0 +++ [pid 6403] <... bpf resumed>) = 5 [pid 6405] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6404] <... bpf resumed>) = 5 [pid 6403] exit_group(0 [pid 6400] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6401, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6405] <... prctl resumed>) = 0 [pid 6404] exit_group(0 [pid 6403] <... exit_group resumed>) = ? [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6400, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6405] setpgid(0, 0 [pid 6404] <... exit_group resumed>) = ? [pid 6405] <... setpgid resumed>) = 0 [pid 6405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6406 attached ) = 3 [pid 6405] write(3, "1000", 4 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6406 [pid 6405] <... write resumed>) = 4 [pid 6405] close(3) = 0 executing program [pid 6405] write(1, "executing program\n", 18) = 18 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6407 attached [pid 6406] set_robust_list(0x5555802da660, 24 [pid 6405] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6406] <... set_robust_list resumed>) = 0 [pid 6407] set_robust_list(0x5555802da660, 24 [pid 6405] <... bpf resumed>) = 3 [pid 6407] <... set_robust_list resumed>) = 0 [pid 6407] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6406] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6405] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6407] <... prctl resumed>) = 0 [pid 6406] <... prctl resumed>) = 0 [pid 6405] <... bpf resumed>) = 4 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6407 [pid 6407] setpgid(0, 0 [pid 6406] setpgid(0, 0 [pid 6407] <... setpgid resumed>) = 0 [pid 6406] <... setpgid resumed>) = 0 [pid 6406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6406] write(3, "1000", 4) = 4 [pid 6407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6406] close(3) = 0 [pid 6407] <... openat resumed>) = 3 executing program [pid 6406] write(1, "executing program\n", 18) = 18 [pid 6405] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6406] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6407] write(3, "1000", 4 [pid 6406] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6407] <... write resumed>) = 4 [pid 6406] <... bpf resumed>) = 4 [pid 6407] close(3) = 0 executing program [pid 6406] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6407] write(1, "executing program\n", 18) = 18 [pid 6407] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6407] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 6407] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6404] +++ exited with 0 +++ [pid 6403] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6404, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6403, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6408 attached [pid 6407] <... bpf resumed>) = 5 [pid 6406] <... bpf resumed>) = 5 [pid 6405] <... bpf resumed>) = 5 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6408] set_robust_list(0x5555802da660, 24 [pid 6407] exit_group(0 [pid 6406] exit_group(0 [pid 6405] exit_group(0 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6408 ./strace-static-x86_64: Process 6409 attached [pid 6408] <... set_robust_list resumed>) = 0 [pid 6407] <... exit_group resumed>) = ? [pid 6406] <... exit_group resumed>) = ? [pid 6405] <... exit_group resumed>) = ? [pid 6408] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6409] set_robust_list(0x5555802da660, 24) = 0 [pid 6409] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6408] <... prctl resumed>) = 0 [pid 6407] +++ exited with 0 +++ [pid 6406] +++ exited with 0 +++ [pid 6405] +++ exited with 0 +++ [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6409 [pid 6409] <... prctl resumed>) = 0 [pid 6408] setpgid(0, 0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6407, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6405, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6409] setpgid(0, 0 [pid 6408] <... setpgid resumed>) = 0 [pid 6409] <... setpgid resumed>) = 0 [pid 6408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6406, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6408] <... openat resumed>) = 3 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6410 attached [pid 6409] <... openat resumed>) = 3 [pid 6408] write(3, "1000", 4 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6410 ./strace-static-x86_64: Process 6411 attached [pid 6411] set_robust_list(0x5555802da660, 24 [pid 6410] set_robust_list(0x5555802da660, 24 [pid 6408] <... write resumed>) = 4 [pid 6410] <... set_robust_list resumed>) = 0 [pid 6409] write(3, "1000", 4 [pid 6408] close(3 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6411 ./strace-static-x86_64: Process 6412 attached [pid 6411] <... set_robust_list resumed>) = 0 [pid 6410] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6409] <... write resumed>) = 4 [pid 6408] <... close resumed>) = 0 [pid 6411] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6410] <... prctl resumed>) = 0 executing program [pid 6409] close(3 [pid 6408] write(1, "executing program\n", 18 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6412 [pid 6412] set_robust_list(0x5555802da660, 24 [pid 6411] <... prctl resumed>) = 0 [pid 6410] setpgid(0, 0 [pid 6409] <... close resumed>) = 0 [pid 6408] <... write resumed>) = 18 executing program [pid 6410] <... setpgid resumed>) = 0 [pid 6409] write(1, "executing program\n", 18 [pid 6408] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6412] <... set_robust_list resumed>) = 0 [pid 6411] setpgid(0, 0 [pid 6410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6409] <... write resumed>) = 18 [pid 6408] <... bpf resumed>) = 3 [pid 6412] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6411] <... setpgid resumed>) = 0 [pid 6409] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6412] <... prctl resumed>) = 0 [pid 6411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6410] <... openat resumed>) = 3 [pid 6409] <... bpf resumed>) = 3 [pid 6408] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6412] setpgid(0, 0 [pid 6411] <... openat resumed>) = 3 [pid 6410] write(3, "1000", 4 [pid 6409] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6408] <... bpf resumed>) = 4 [pid 6412] <... setpgid resumed>) = 0 [pid 6411] write(3, "1000", 4executing program [pid 6410] <... write resumed>) = 4 [pid 6409] <... bpf resumed>) = 4 [pid 6410] close(3) = 0 [pid 6410] write(1, "executing program\n", 18) = 18 [pid 6410] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program [pid 6412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6411] <... write resumed>) = 4 [pid 6410] <... bpf resumed>) = 3 [pid 6411] close(3) = 0 [pid 6411] write(1, "executing program\n", 18 [pid 6410] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6412] <... openat resumed>) = 3 [pid 6411] <... write resumed>) = 18 [pid 6409] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6408] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6412] write(3, "1000", 4 [pid 6411] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6412] <... write resumed>) = 4 [pid 6411] <... bpf resumed>) = 3 [pid 6409] <... bpf resumed>) = 5 [pid 6412] close(3 [pid 6411] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6412] <... close resumed>) = 0 [pid 6410] <... bpf resumed>) = 4 [pid 6409] exit_group(0 [pid 6408] <... bpf resumed>) = 5 [pid 6412] write(1, "executing program\n", 18executing program ) = 18 [pid 6412] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6410] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6409] <... exit_group resumed>) = ? [pid 6408] exit_group(0 [pid 6412] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6411] <... bpf resumed>) = 4 [pid 6408] <... exit_group resumed>) = ? [pid 6412] <... bpf resumed>) = 4 [pid 6411] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6412] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6410] <... bpf resumed>) = 5 [pid 6409] +++ exited with 0 +++ [pid 6410] exit_group(0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6409, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6410] <... exit_group resumed>) = ? [pid 6412] <... bpf resumed>) = 5 [pid 6411] <... bpf resumed>) = 5 [pid 6410] +++ exited with 0 +++ [pid 6408] +++ exited with 0 +++ [pid 6412] exit_group(0) = ? [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6410, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6411] exit_group(0 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 6411] <... exit_group resumed>) = ? [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6408, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6413 attached [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6413 [pid 6413] set_robust_list(0x5555802da660, 24 [pid 6412] +++ exited with 0 +++ [pid 6411] +++ exited with 0 +++ [pid 5846] <... restart_syscall resumed>) = 0 [pid 5842] <... restart_syscall resumed>) = 0 [pid 6413] <... set_robust_list resumed>) = 0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6411, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6412, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6413] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6413] <... prctl resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6414 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6415 attached ./strace-static-x86_64: Process 6414 attached [pid 6413] setpgid(0, 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6414] set_robust_list(0x5555802da660, 24 [pid 6413] <... setpgid resumed>) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6415 ./strace-static-x86_64: Process 6416 attached [pid 6415] set_robust_list(0x5555802da660, 24 [pid 6414] <... set_robust_list resumed>) = 0 [pid 6416] set_robust_list(0x5555802da660, 24 [pid 6414] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6416] <... set_robust_list resumed>) = 0 [pid 6414] <... prctl resumed>) = 0 [pid 6413] <... openat resumed>) = 3 [pid 6416] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6417 attached [pid 6415] <... set_robust_list resumed>) = 0 [pid 6414] setpgid(0, 0 [pid 6416] <... prctl resumed>) = 0 [pid 6414] <... setpgid resumed>) = 0 [pid 6413] write(3, "1000", 4 [pid 6417] set_robust_list(0x5555802da660, 24 [pid 6416] setpgid(0, 0 [pid 6415] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6413] <... write resumed>) = 4 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6416 [pid 6417] <... set_robust_list resumed>) = 0 [pid 6416] <... setpgid resumed>) = 0 [pid 6415] <... prctl resumed>) = 0 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6417 [pid 6416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6415] setpgid(0, 0 [pid 6414] <... openat resumed>) = 3 [pid 6413] close(3 [pid 6417] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6415] <... setpgid resumed>) = 0 [pid 6417] <... prctl resumed>) = 0 executing program [pid 6417] setpgid(0, 0 [pid 6416] <... openat resumed>) = 3 [pid 6415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6414] write(3, "1000", 4 [pid 6413] <... close resumed>) = 0 [pid 6417] <... setpgid resumed>) = 0 [pid 6416] write(3, "1000", 4 [pid 6414] <... write resumed>) = 4 [pid 6413] write(1, "executing program\n", 18 [pid 6416] <... write resumed>) = 4 [pid 6415] <... openat resumed>) = 3 [pid 6414] close(3 [pid 6413] <... write resumed>) = 18 [pid 6417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6416] close(3 [pid 6415] write(3, "1000", 4 [pid 6414] <... close resumed>) = 0 [pid 6413] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6416] <... close resumed>) = 0 [pid 6414] write(1, "executing program\n", 18 [pid 6413] <... bpf resumed>) = 3 executing program [pid 6417] <... openat resumed>) = 3 [pid 6415] <... write resumed>) = 4 executing program [pid 6416] write(1, "executing program\n", 18 [pid 6415] close(3 [pid 6414] <... write resumed>) = 18 [pid 6413] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6417] write(3, "1000", 4 [pid 6416] <... write resumed>) = 18 [pid 6415] <... close resumed>) = 0 [pid 6414] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6417] <... write resumed>) = 4 [pid 6416] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6415] write(1, "executing program\n", 18 [pid 6414] <... bpf resumed>) = 3 [pid 6413] <... bpf resumed>) = 4 executing program [pid 6417] close(3 [pid 6416] <... bpf resumed>) = 3 [pid 6415] <... write resumed>) = 18 [pid 6414] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6417] <... close resumed>) = 0 executing program [pid 6415] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6417] write(1, "executing program\n", 18) = 18 [pid 6415] <... bpf resumed>) = 3 [pid 6417] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6416] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6415] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6417] <... bpf resumed>) = 3 [pid 6417] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6416] <... bpf resumed>) = 4 [pid 6415] <... bpf resumed>) = 4 [pid 6414] <... bpf resumed>) = 4 [pid 6413] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6416] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6417] <... bpf resumed>) = 4 [pid 6415] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6414] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6413] <... bpf resumed>) = 5 [pid 6416] <... bpf resumed>) = 5 [pid 6415] <... bpf resumed>) = 5 [pid 6417] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6414] <... bpf resumed>) = 5 [pid 6413] exit_group(0 [pid 6416] exit_group(0 [pid 6417] <... bpf resumed>) = 5 [pid 6415] exit_group(0 [pid 6414] exit_group(0 [pid 6413] <... exit_group resumed>) = ? [pid 6417] exit_group(0 [pid 6416] <... exit_group resumed>) = ? [pid 6415] <... exit_group resumed>) = ? [pid 6414] <... exit_group resumed>) = ? [pid 6417] <... exit_group resumed>) = ? [pid 6414] +++ exited with 0 +++ [pid 6413] +++ exited with 0 +++ [pid 6415] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6414, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6415, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6413, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6417] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6417, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6416] +++ exited with 0 +++ [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6416, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5846] <... restart_syscall resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6418 attached [pid 6418] set_robust_list(0x5555802da660, 24 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6418 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5842] <... restart_syscall resumed>) = 0 [pid 5840] <... restart_syscall resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 6418] <... set_robust_list resumed>) = 0 [pid 6418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6418] setpgid(0, 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6420 attached ./strace-static-x86_64: Process 6419 attached ./strace-static-x86_64: Process 6421 attached [pid 6418] <... setpgid resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6422 attached [pid 6421] set_robust_list(0x5555802da660, 24 [pid 6420] set_robust_list(0x5555802da660, 24 [pid 6419] set_robust_list(0x5555802da660, 24 [pid 6418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6420 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6419 [pid 6422] set_robust_list(0x5555802da660, 24 [pid 6421] <... set_robust_list resumed>) = 0 [pid 6420] <... set_robust_list resumed>) = 0 [pid 6419] <... set_robust_list resumed>) = 0 [pid 6422] <... set_robust_list resumed>) = 0 [pid 6421] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6418] <... openat resumed>) = 3 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6421 [pid 6421] <... prctl resumed>) = 0 [pid 6420] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6419] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6418] write(3, "1000", 4 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6422 [pid 6421] setpgid(0, 0 [pid 6420] <... prctl resumed>) = 0 [pid 6419] <... prctl resumed>) = 0 [pid 6418] <... write resumed>) = 4 [pid 6421] <... setpgid resumed>) = 0 [pid 6419] setpgid(0, 0 [pid 6418] close(3 [pid 6420] setpgid(0, 0 [pid 6422] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6420] <... setpgid resumed>) = 0 [pid 6419] <... setpgid resumed>) = 0 [pid 6418] <... close resumed>) = 0 [pid 6422] <... prctl resumed>) = 0 [pid 6422] setpgid(0, 0) = 0 executing program [pid 6422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6421] <... openat resumed>) = 3 [pid 6418] write(1, "executing program\n", 18 [pid 6422] <... openat resumed>) = 3 [pid 6422] write(3, "1000", 4 [pid 6418] <... write resumed>) = 18 [pid 6422] <... write resumed>) = 4 [pid 6422] close(3) = 0 [pid 6421] write(3, "1000", 4 [pid 6420] <... openat resumed>) = 3 [pid 6419] <... openat resumed>) = 3 [pid 6418] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program [pid 6419] write(3, "1000", 4 [pid 6422] write(1, "executing program\n", 18 [pid 6421] <... write resumed>) = 4 [pid 6420] write(3, "1000", 4 [pid 6419] <... write resumed>) = 4 [pid 6422] <... write resumed>) = 18 [pid 6421] close(3 [pid 6420] <... write resumed>) = 4 [pid 6422] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6421] <... close resumed>) = 0 [pid 6420] close(3 [pid 6422] <... bpf resumed>) = 3 executing program [pid 6421] write(1, "executing program\n", 18 [pid 6420] <... close resumed>) = 0 [pid 6419] close(3 [pid 6418] <... bpf resumed>) = 3 [pid 6422] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144executing program [pid 6421] <... write resumed>) = 18 [pid 6420] write(1, "executing program\n", 18 [pid 6419] <... close resumed>) = 0 [pid 6422] <... bpf resumed>) = 4 [pid 6421] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6420] <... write resumed>) = 18 [pid 6418] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6419] write(1, "executing program\n", 18) = 18 executing program [pid 6420] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6419] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6421] <... bpf resumed>) = 3 [pid 6420] <... bpf resumed>) = 3 [pid 6422] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6421] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6420] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6422] <... bpf resumed>) = 5 [pid 6421] <... bpf resumed>) = 4 [pid 6420] <... bpf resumed>) = 4 [pid 6419] <... bpf resumed>) = 3 [pid 6418] <... bpf resumed>) = 4 [pid 6422] exit_group(0 [pid 6419] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6422] <... exit_group resumed>) = ? [pid 6422] +++ exited with 0 +++ [pid 6421] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6422, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6420] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6418] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6419] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 6423 attached [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6423 [pid 6423] set_robust_list(0x5555802da660, 24 [pid 6419] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6423] <... set_robust_list resumed>) = 0 [pid 6423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6423] setpgid(0, 0 [pid 6421] <... bpf resumed>) = 5 [pid 6420] <... bpf resumed>) = 5 [pid 6419] <... bpf resumed>) = 5 [pid 6418] <... bpf resumed>) = 5 [pid 6423] <... setpgid resumed>) = 0 [pid 6421] exit_group(0 [pid 6420] exit_group(0 [pid 6419] exit_group(0 [pid 6418] exit_group(0 [pid 6423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6421] <... exit_group resumed>) = ? [pid 6420] <... exit_group resumed>) = ? [pid 6419] <... exit_group resumed>) = ? [pid 6418] <... exit_group resumed>) = ? [pid 6423] <... openat resumed>) = 3 [pid 6420] +++ exited with 0 +++ [pid 6419] +++ exited with 0 +++ [pid 6423] write(3, "1000", 4 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6420, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6423] <... write resumed>) = 4 [pid 6423] close(3 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6419, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6423] <... close resumed>) = 0 [pid 5840] restart_syscall(<... resuming interrupted clone ...>executing program [pid 6423] write(1, "executing program\n", 18) = 18 [pid 6423] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6423] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 6423] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5840] <... restart_syscall resumed>) = 0 [pid 6421] +++ exited with 0 +++ [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6418] +++ exited with 0 +++ [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6421, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6418, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5846] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6424 attached ./strace-static-x86_64: Process 6425 attached [pid 6425] set_robust_list(0x5555802da660, 24 [pid 6424] set_robust_list(0x5555802da660, 24 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6424 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6425 [pid 6425] <... set_robust_list resumed>) = 0 [pid 6425] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6424] <... set_robust_list resumed>) = 0 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 6425] <... prctl resumed>) = 0 [pid 6425] setpgid(0, 0) = 0 [pid 6425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6424] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6425] <... openat resumed>) = 3 [pid 6424] setpgid(0, 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6425] write(3, "1000", 4executing program [pid 6424] <... setpgid resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6426 attached [pid 6425] <... write resumed>) = 4 [pid 6425] close(3) = 0 [pid 6425] write(1, "executing program\n", 18) = 18 [pid 6425] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 6427 attached [pid 6426] set_robust_list(0x5555802da660, 24 [pid 6425] <... bpf resumed>) = 3 [pid 6424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6426 [pid 6426] <... set_robust_list resumed>) = 0 [pid 6427] set_robust_list(0x5555802da660, 24 [pid 6425] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6427] <... set_robust_list resumed>) = 0 [pid 6426] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6425] <... bpf resumed>) = 4 [pid 6424] <... openat resumed>) = 3 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6427 [pid 6426] <... prctl resumed>) = 0 [pid 6424] write(3, "1000", 4 [pid 6427] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6426] setpgid(0, 0 [pid 6424] <... write resumed>) = 4 [pid 6426] <... setpgid resumed>) = 0 [pid 6424] close(3 [pid 6427] <... prctl resumed>) = 0 [pid 6427] setpgid(0, 0) = 0 [pid 6426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6424] <... close resumed>) = 0 [pid 6427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6427] write(3, "1000", 4) = 4 executing program [pid 6424] write(1, "executing program\n", 18 [pid 6423] <... bpf resumed>) = 5 [pid 6427] close(3 [pid 6426] <... openat resumed>) = 3 [pid 6425] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6424] <... write resumed>) = 18 [pid 6427] <... close resumed>) = 0 [pid 6426] write(3, "1000", 4 [pid 6425] <... bpf resumed>) = 5 [pid 6423] exit_group(0 [pid 6427] write(1, "executing program\n", 18 [pid 6426] <... write resumed>) = 4 executing program [pid 6424] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6426] close(3 [pid 6423] <... exit_group resumed>) = ? [pid 6427] <... write resumed>) = 18 [pid 6426] <... close resumed>) = 0 [pid 6425] exit_group(0 [pid 6427] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6426] write(1, "executing program\n", 18 [pid 6427] <... bpf resumed>) = 3 [pid 6425] <... exit_group resumed>) = ? executing program [pid 6424] <... bpf resumed>) = 3 [pid 6427] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6426] <... write resumed>) = 18 [pid 6426] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6424] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6426] <... bpf resumed>) = 3 [pid 6424] <... bpf resumed>) = 4 [pid 6426] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6424] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6427] <... bpf resumed>) = 4 [pid 6426] <... bpf resumed>) = 4 [pid 6423] +++ exited with 0 +++ [pid 6427] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6423, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6426] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6425] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6425, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6428 attached , child_tidptr=0x5555802da650) = 6428 [pid 6428] set_robust_list(0x5555802da660, 24) = 0 [pid 6428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6428] setpgid(0, 0./strace-static-x86_64: Process 6429 attached ) = 0 [pid 6428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6429] set_robust_list(0x5555802da660, 24 [pid 6428] <... openat resumed>) = 3 [pid 6429] <... set_robust_list resumed>) = 0 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6429 [pid 6429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6428] write(3, "1000", 4 [pid 6427] <... bpf resumed>) = 5 [pid 6426] <... bpf resumed>) = 5 [pid 6424] <... bpf resumed>) = 5 [pid 6429] setpgid(0, 0 [pid 6428] <... write resumed>) = 4 [pid 6428] close(3 [pid 6427] exit_group(0 [pid 6426] exit_group(0 [pid 6424] exit_group(0 [pid 6429] <... setpgid resumed>) = 0 [pid 6428] <... close resumed>) = 0 [pid 6427] <... exit_group resumed>) = ? [pid 6426] <... exit_group resumed>) = ? [pid 6424] <... exit_group resumed>) = ? [pid 6429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 6428] write(1, "executing program\n", 18 [pid 6427] +++ exited with 0 +++ [pid 6428] <... write resumed>) = 18 [pid 6429] <... openat resumed>) = 3 [pid 6428] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6427, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6429] write(3, "1000", 4 [pid 6428] <... bpf resumed>) = 3 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6429] <... write resumed>) = 4 [pid 6429] close(3 [pid 6428] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6429] <... close resumed>) = 0 [pid 6428] <... bpf resumed>) = 4 executing program [pid 6429] write(1, "executing program\n", 18 [pid 6428] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6429] <... write resumed>) = 18 [pid 5838] <... restart_syscall resumed>) = 0 [pid 6429] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6429] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6430 attached [pid 6430] set_robust_list(0x5555802da660, 24 [pid 6429] <... bpf resumed>) = 4 [pid 6430] <... set_robust_list resumed>) = 0 [pid 6426] +++ exited with 0 +++ [pid 6424] +++ exited with 0 +++ [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6430 [pid 6430] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6429] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6426, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6424, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6430] <... prctl resumed>) = 0 [pid 6430] setpgid(0, 0) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6431 attached [pid 6431] set_robust_list(0x5555802da660, 24 [pid 6430] <... openat resumed>) = 3 [pid 6429] <... bpf resumed>) = 5 [pid 6428] <... bpf resumed>) = 5 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6431 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6431] <... set_robust_list resumed>) = 0 [pid 6428] exit_group(0./strace-static-x86_64: Process 6432 attached [pid 6431] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6430] write(3, "1000", 4 [pid 6429] exit_group(0 [pid 6428] <... exit_group resumed>) = ? [pid 6432] set_robust_list(0x5555802da660, 24 [pid 6431] <... prctl resumed>) = 0 [pid 6430] <... write resumed>) = 4 [pid 6429] <... exit_group resumed>) = ? [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6432 [pid 6431] setpgid(0, 0) = 0 [pid 6430] close(3 [pid 6432] <... set_robust_list resumed>) = 0 [pid 6431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6431] <... openat resumed>) = 3 [pid 6432] setpgid(0, 0) = 0 [pid 6432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6431] write(3, "1000", 4 [pid 6430] <... close resumed>) = 0 [pid 6432] <... openat resumed>) = 3 [pid 6431] <... write resumed>) = 4 [pid 6431] close(3) = 0 [pid 6432] write(3, "1000", 4 [pid 6431] write(1, "executing program\n", 18 [pid 6432] <... write resumed>) = 4 executing program [pid 6432] close(3) = 0 [pid 6431] <... write resumed>) = 18 [pid 6430] write(1, "executing program\n", 18executing program [pid 6432] write(1, "executing program\n", 18 [pid 6431] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6430] <... write resumed>) = 18 executing program [pid 6432] <... write resumed>) = 18 [pid 6431] <... bpf resumed>) = 3 [pid 6430] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6428] +++ exited with 0 +++ [pid 6432] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6431] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6430] <... bpf resumed>) = 3 [pid 6429] +++ exited with 0 +++ [pid 6432] <... bpf resumed>) = 3 [pid 6431] <... bpf resumed>) = 4 [pid 6430] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6428, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6432] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 6430] <... bpf resumed>) = 4 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6429, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6431] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6430] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6433 [pid 6432] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16./strace-static-x86_64: Process 6433 attached [pid 5844] <... restart_syscall resumed>) = 0 [pid 6433] set_robust_list(0x5555802da660, 24) = 0 [pid 6433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6433] setpgid(0, 0) = 0 [pid 6432] <... bpf resumed>) = 5 [pid 6431] <... bpf resumed>) = 5 [pid 6430] <... bpf resumed>) = 5 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6434 attached [pid 6433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6432] exit_group(0 [pid 6431] exit_group(0 [pid 6430] exit_group(0 [pid 6434] set_robust_list(0x5555802da660, 24 [pid 6433] <... openat resumed>) = 3 [pid 6432] <... exit_group resumed>) = ? [pid 6431] <... exit_group resumed>) = ? [pid 6430] <... exit_group resumed>) = ? [pid 6434] <... set_robust_list resumed>) = 0 [pid 6433] write(3, "1000", 4 [pid 6432] +++ exited with 0 +++ [pid 6431] +++ exited with 0 +++ [pid 6430] +++ exited with 0 +++ [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6434 [pid 6434] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6433] <... write resumed>) = 4 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6430, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6434] <... prctl resumed>) = 0 [pid 6433] close(3 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6431, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6432, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6434] setpgid(0, 0 [pid 6433] <... close resumed>) = 0 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5840] restart_syscall(<... resuming interrupted clone ...>executing program [pid 6434] <... setpgid resumed>) = 0 [pid 6433] write(1, "executing program\n", 18) = 18 [pid 6433] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6433] <... bpf resumed>) = 3 [pid 6433] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6434] <... openat resumed>) = 3 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5840] <... restart_syscall resumed>) = 0 [pid 6434] write(3, "1000", 4 [pid 6433] <... bpf resumed>) = 4 [pid 6434] <... write resumed>) = 4 [pid 6434] close(3 [pid 6433] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6435 attached [pid 6434] <... close resumed>) = 0 [pid 6433] <... bpf resumed>) = 5 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6434] write(1, "executing program\n", 18 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 6436 attached [pid 6435] set_robust_list(0x5555802da660, 24 [pid 6434] <... write resumed>) = 18 [pid 6434] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6433] exit_group(0./strace-static-x86_64: Process 6437 attached [pid 6436] set_robust_list(0x5555802da660, 24 [pid 6435] <... set_robust_list resumed>) = 0 [pid 6434] <... bpf resumed>) = 3 [pid 6433] <... exit_group resumed>) = ? [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6435 [pid 6437] set_robust_list(0x5555802da660, 24 [pid 6436] <... set_robust_list resumed>) = 0 [pid 6435] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6434] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6433] +++ exited with 0 +++ [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6436 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6437 [pid 6437] <... set_robust_list resumed>) = 0 [pid 6436] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6435] <... prctl resumed>) = 0 [pid 6434] <... bpf resumed>) = 4 [pid 6436] <... prctl resumed>) = 0 [pid 6435] setpgid(0, 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6433, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6437] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6436] setpgid(0, 0 [pid 6435] <... setpgid resumed>) = 0 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 6437] <... prctl resumed>) = 0 [pid 6436] <... setpgid resumed>) = 0 [pid 6437] setpgid(0, 0 [pid 6436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6434] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6437] <... setpgid resumed>) = 0 [pid 6436] <... openat resumed>) = 3 [pid 6436] write(3, "1000", 4 [pid 6437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6435] <... openat resumed>) = 3 [pid 6434] <... bpf resumed>) = 5 [pid 5842] <... restart_syscall resumed>) = 0 [pid 6436] <... write resumed>) = 4 [pid 6435] write(3, "1000", 4 [pid 6436] close(3 [pid 6435] <... write resumed>) = 4 [pid 6436] <... close resumed>) = 0 [pid 6435] close(3executing program [pid 6436] write(1, "executing program\n", 18 [pid 6435] <... close resumed>) = 0 executing program [pid 6436] <... write resumed>) = 18 [pid 6435] write(1, "executing program\n", 18 [pid 6436] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6437] <... openat resumed>) = 3 [pid 6436] <... bpf resumed>) = 3 [pid 6435] <... write resumed>) = 18 [pid 6434] exit_group(0 [pid 6437] write(3, "1000", 4 [pid 6436] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6435] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6437] <... write resumed>) = 4 [pid 6434] <... exit_group resumed>) = ? [pid 6437] close(3 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6438 attached [pid 6436] <... bpf resumed>) = 4 [pid 6435] <... bpf resumed>) = 3 [pid 6434] +++ exited with 0 +++ [pid 6437] <... close resumed>) = 0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6434, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 6437] write(1, "executing program\n", 18 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6438 [pid 6437] <... write resumed>) = 18 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 6437] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6435] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6438] set_robust_list(0x5555802da660, 24) = 0 [pid 6437] <... bpf resumed>) = 3 [pid 6435] <... bpf resumed>) = 4 [pid 6436] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6438] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6437] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6435] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5844] <... restart_syscall resumed>) = 0 [pid 6438] <... prctl resumed>) = 0 [pid 6438] setpgid(0, 0 [pid 6436] <... bpf resumed>) = 5 [pid 6435] <... bpf resumed>) = 5 [pid 6438] <... setpgid resumed>) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6436] exit_group(0 [pid 6435] exit_group(0./strace-static-x86_64: Process 6439 attached [pid 6438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6437] <... bpf resumed>) = 4 [pid 6436] <... exit_group resumed>) = ? [pid 6435] <... exit_group resumed>) = ? [pid 6439] set_robust_list(0x5555802da660, 24 [pid 6438] <... openat resumed>) = 3 [pid 6437] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6439 [pid 6439] <... set_robust_list resumed>) = 0 [pid 6438] write(3, "1000", 4 [pid 6439] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6438] <... write resumed>) = 4 [pid 6439] <... prctl resumed>) = 0 [pid 6438] close(3 [pid 6439] setpgid(0, 0 [pid 6438] <... close resumed>) = 0 [pid 6439] <... setpgid resumed>) = 0 [pid 6438] write(1, "executing program\n", 18executing program [pid 6439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6438] <... write resumed>) = 18 [pid 6439] <... openat resumed>) = 3 [pid 6439] write(3, "1000", 4 [pid 6438] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6439] <... write resumed>) = 4 [pid 6439] close(3 [pid 6438] <... bpf resumed>) = 3 [pid 6439] <... close resumed>) = 0 [pid 6439] write(1, "executing program\n", 18 executing program [pid 6438] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6439] <... write resumed>) = 18 [pid 6439] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6439] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 6438] <... bpf resumed>) = 4 [pid 6438] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6439] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6436] +++ exited with 0 +++ [pid 6435] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6435, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6436, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6440 attached ./strace-static-x86_64: Process 6441 attached [pid 6440] set_robust_list(0x5555802da660, 24 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6440 [pid 6441] set_robust_list(0x5555802da660, 24) = 0 [pid 6440] <... set_robust_list resumed>) = 0 [pid 6439] <... bpf resumed>) = 5 [pid 6438] <... bpf resumed>) = 5 [pid 6437] <... bpf resumed>) = 5 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6441 [pid 6441] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6440] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6441] <... prctl resumed>) = 0 [pid 6440] <... prctl resumed>) = 0 [pid 6439] exit_group(0 [pid 6437] exit_group(0executing program [pid 6441] setpgid(0, 0 [pid 6440] setpgid(0, 0 [pid 6439] <... exit_group resumed>) = ? [pid 6438] exit_group(0 [pid 6437] <... exit_group resumed>) = ? [pid 6441] <... setpgid resumed>) = 0 [pid 6440] <... setpgid resumed>) = 0 [pid 6439] +++ exited with 0 +++ [pid 6438] <... exit_group resumed>) = ? [pid 6441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6439, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6440] <... openat resumed>) = 3 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6440] write(3, "1000", 4 [pid 6441] <... openat resumed>) = 3 [pid 6441] write(3, "1000", 4./strace-static-x86_64: Process 6442 attached ) = 4 [pid 6440] <... write resumed>) = 4 [pid 6442] set_robust_list(0x5555802da660, 24 [pid 6440] close(3 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6442 [pid 6442] <... set_robust_list resumed>) = 0 [pid 6440] <... close resumed>) = 0 [pid 6442] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6441] close(3 [pid 6440] write(1, "executing program\n", 18 [pid 6441] <... close resumed>) = 0 [pid 6441] write(1, "executing program\n", 18) = 18 executing program [pid 6441] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6442] <... prctl resumed>) = 0 [pid 6441] <... bpf resumed>) = 3 [pid 6440] <... write resumed>) = 18 [pid 6442] setpgid(0, 0) = 0 [pid 6440] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6441] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6442] <... openat resumed>) = 3 [pid 6440] <... bpf resumed>) = 3 [pid 6442] write(3, "1000", 4 [pid 6441] <... bpf resumed>) = 4 [pid 6440] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6442] <... write resumed>) = 4 [pid 6441] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6440] <... bpf resumed>) = 4 [pid 6442] close(3 [pid 6440] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6442] <... close resumed>) = 0 executing program [pid 6442] write(1, "executing program\n", 18) = 18 [pid 6442] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6442] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 6442] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6438] +++ exited with 0 +++ [pid 6437] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6438, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6437, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6443 attached [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6443 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6443] set_robust_list(0x5555802da660, 24./strace-static-x86_64: Process 6444 attached ) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6444 [pid 6444] set_robust_list(0x5555802da660, 24 [pid 6443] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6442] <... bpf resumed>) = 5 [pid 6441] <... bpf resumed>) = 5 [pid 6440] <... bpf resumed>) = 5 [pid 6443] <... prctl resumed>) = 0 [pid 6440] exit_group(0 [pid 6443] setpgid(0, 0 [pid 6440] <... exit_group resumed>) = ? [pid 6444] <... set_robust_list resumed>) = 0 [pid 6443] <... setpgid resumed>) = 0 [pid 6442] exit_group(0 [pid 6441] exit_group(0 [pid 6440] +++ exited with 0 +++ [pid 6444] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6442] <... exit_group resumed>) = ? [pid 6441] <... exit_group resumed>) = ? [pid 6444] <... prctl resumed>) = 0 [pid 6443] <... openat resumed>) = 3 [pid 6443] write(3, "1000", 4 [pid 6444] setpgid(0, 0executing program [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6440, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6444] <... setpgid resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6443] <... write resumed>) = 4 [pid 6443] close(3) = 0 [pid 6443] write(1, "executing program\n", 18) = 18 ./strace-static-x86_64: Process 6445 attached [pid 6444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6443] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6445] set_robust_list(0x5555802da660, 24 [pid 6444] <... openat resumed>) = 3 [pid 6443] <... bpf resumed>) = 3 [pid 6445] <... set_robust_list resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6445 [pid 6445] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6444] write(3, "1000", 4 [pid 6443] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6445] <... prctl resumed>) = 0 [pid 6444] <... write resumed>) = 4 [pid 6443] <... bpf resumed>) = 4 [pid 6442] +++ exited with 0 +++ [pid 6441] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6442, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6445] setpgid(0, 0 [pid 6444] close(3 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6441, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6445] <... setpgid resumed>) = 0 [pid 6444] <... close resumed>) = 0 [pid 6443] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6444] write(1, "executing program\n", 18 [pid 6443] <... bpf resumed>) = 5 executing program [pid 5846] <... restart_syscall resumed>) = 0 [pid 6445] <... openat resumed>) = 3 [pid 6444] <... write resumed>) = 18 [pid 6445] write(3, "1000", 4 [pid 6444] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6443] exit_group(0 [pid 6445] <... write resumed>) = 4 [pid 6444] <... bpf resumed>) = 3 [pid 6445] close(3 [pid 6443] <... exit_group resumed>) = ? [pid 6445] <... close resumed>) = 0 [pid 6444] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144executing program [pid 6443] +++ exited with 0 +++ [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6445] write(1, "executing program\n", 18 [pid 6444] <... bpf resumed>) = 4 [pid 6445] <... write resumed>) = 18 [pid 6445] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6444] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6445] <... bpf resumed>) = 3 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6443, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6446 attached [pid 6445] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6446 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 6446] set_robust_list(0x5555802da660, 24 [pid 6445] <... bpf resumed>) = 4 [pid 6446] <... set_robust_list resumed>) = 0 [pid 6446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6446] setpgid(0, 0) = 0 [pid 6445] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6444] <... bpf resumed>) = 5 [pid 5842] <... restart_syscall resumed>) = 0 [pid 6446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6445] <... bpf resumed>) = 5 [pid 6444] exit_group(0 [pid 6446] write(3, "1000", 4) = 4 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6446] close(3 [pid 6445] exit_group(0 [pid 6444] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6447 attached [pid 6446] <... close resumed>) = 0 [pid 6445] <... exit_group resumed>) = ? executing program [pid 6447] set_robust_list(0x5555802da660, 24 [pid 6446] write(1, "executing program\n", 18 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6447] <... set_robust_list resumed>) = 0 [pid 6446] <... write resumed>) = 18 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6447 ./strace-static-x86_64: Process 6448 attached [pid 6447] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6446] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6448] set_robust_list(0x5555802da660, 24 [pid 6447] <... prctl resumed>) = 0 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6448 [pid 6448] <... set_robust_list resumed>) = 0 [pid 6446] <... bpf resumed>) = 3 [pid 6447] setpgid(0, 0 [pid 6448] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6447] <... setpgid resumed>) = 0 [pid 6446] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6448] <... prctl resumed>) = 0 [pid 6447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6448] setpgid(0, 0 [pid 6447] <... openat resumed>) = 3 [pid 6447] write(3, "1000", 4executing program ) = 4 [pid 6447] close(3) = 0 [pid 6447] write(1, "executing program\n", 18) = 18 [pid 6447] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6447] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6448] <... setpgid resumed>) = 0 [pid 6446] <... bpf resumed>) = 4 [pid 6445] +++ exited with 0 +++ [pid 6444] +++ exited with 0 +++ [pid 6448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6447] <... bpf resumed>) = 4 [pid 6446] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6445, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6444, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6448] <... openat resumed>) = 3 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6448] write(3, "1000", 4./strace-static-x86_64: Process 6449 attached [pid 6447] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6449 [pid 6449] set_robust_list(0x5555802da660, 24 [pid 6448] <... write resumed>) = 4 [pid 6449] <... set_robust_list resumed>) = 0 [pid 6448] close(3./strace-static-x86_64: Process 6450 attached [pid 6449] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6448] <... close resumed>) = 0 [pid 6448] write(1, "executing program\n", 18 [pid 6447] <... bpf resumed>) = 5 executing program [pid 6446] <... bpf resumed>) = 5 [pid 6450] set_robust_list(0x5555802da660, 24 [pid 6449] <... prctl resumed>) = 0 [pid 6448] <... write resumed>) = 18 [pid 6447] exit_group(0 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6450 [pid 6450] <... set_robust_list resumed>) = 0 [pid 6449] setpgid(0, 0 [pid 6448] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6447] <... exit_group resumed>) = ? [pid 6446] exit_group(0 [pid 6450] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6449] <... setpgid resumed>) = 0 [pid 6448] <... bpf resumed>) = 3 [pid 6447] +++ exited with 0 +++ [pid 6450] <... prctl resumed>) = 0 [pid 6449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6448] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6446] <... exit_group resumed>) = ? [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6447, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6450] setpgid(0, 0 [pid 6449] <... openat resumed>) = 3 [pid 6448] <... bpf resumed>) = 4 [pid 6446] +++ exited with 0 +++ [pid 6450] <... setpgid resumed>) = 0 [pid 6450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6449] write(3, "1000", 4 [pid 6450] <... openat resumed>) = 3 [pid 6449] <... write resumed>) = 4 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6446, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6449] close(3executing program ) = 0 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6449] write(1, "executing program\n", 18 [pid 6450] write(3, "1000", 4 [pid 6449] <... write resumed>) = 18 [pid 6448] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6450] <... write resumed>) = 4 [pid 6449] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6450] close(3) = 0 executing program [pid 6450] write(1, "executing program\n", 18 [pid 6449] <... bpf resumed>) = 3 [pid 6448] <... bpf resumed>) = 5 [pid 5846] <... restart_syscall resumed>) = 0 [pid 6450] <... write resumed>) = 18 [pid 6450] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6449] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6450] <... bpf resumed>) = 3 [pid 6449] <... bpf resumed>) = 4 [pid 6448] exit_group(0 [pid 6450] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6452 attached ./strace-static-x86_64: Process 6451 attached [pid 6450] <... bpf resumed>) = 4 [pid 6448] <... exit_group resumed>) = ? [pid 6452] set_robust_list(0x5555802da660, 24 [pid 6451] set_robust_list(0x5555802da660, 24 [pid 6452] <... set_robust_list resumed>) = 0 [pid 6451] <... set_robust_list resumed>) = 0 [pid 6448] +++ exited with 0 +++ [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6451 [pid 6452] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6451] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6449] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6452 [pid 6452] <... prctl resumed>) = 0 [pid 6451] <... prctl resumed>) = 0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6448, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6452] setpgid(0, 0 [pid 6450] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 6452] <... setpgid resumed>) = 0 [pid 6451] setpgid(0, 0 [pid 5844] <... restart_syscall resumed>) = 0 [pid 6452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6451] <... setpgid resumed>) = 0 [pid 6451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6452] <... openat resumed>) = 3 [pid 6452] write(3, "1000", 4 [pid 6451] <... openat resumed>) = 3 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6452] <... write resumed>) = 4 [pid 6451] write(3, "1000", 4 [pid 6452] close(3./strace-static-x86_64: Process 6453 attached [pid 6451] <... write resumed>) = 4 [pid 6451] close(3 [pid 6453] set_robust_list(0x5555802da660, 24 [pid 6452] <... close resumed>) = 0 [pid 6451] <... close resumed>) = 0 [pid 6450] <... bpf resumed>) = 5 [pid 6449] <... bpf resumed>) = 5 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6453 executing program [pid 6453] <... set_robust_list resumed>) = 0 [pid 6452] write(1, "executing program\n", 18 [pid 6451] write(1, "executing program\n", 18executing program [pid 6453] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6452] <... write resumed>) = 18 [pid 6450] exit_group(0 [pid 6449] exit_group(0 [pid 6452] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6451] <... write resumed>) = 18 [pid 6449] <... exit_group resumed>) = ? [pid 6453] <... prctl resumed>) = 0 [pid 6452] <... bpf resumed>) = 3 [pid 6451] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6450] <... exit_group resumed>) = ? [pid 6453] setpgid(0, 0 [pid 6452] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6451] <... bpf resumed>) = 3 [pid 6453] <... setpgid resumed>) = 0 [pid 6452] <... bpf resumed>) = 4 [pid 6451] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6451] <... bpf resumed>) = 4 [pid 6453] write(3, "1000", 4 [pid 6452] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6453] <... write resumed>) = 4 [pid 6451] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6450] +++ exited with 0 +++ [pid 6449] +++ exited with 0 +++ [pid 6453] close(3) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6450, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6449, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 6453] write(1, "executing program\n", 18) = 18 [pid 6453] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6453] <... bpf resumed>) = 3 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6454 attached [pid 6453] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144./strace-static-x86_64: Process 6455 attached [pid 6454] set_robust_list(0x5555802da660, 24) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6454 [pid 6454] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6455] set_robust_list(0x5555802da660, 24 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6455 [pid 6454] <... prctl resumed>) = 0 [pid 6455] <... set_robust_list resumed>) = 0 [pid 6454] setpgid(0, 0 [pid 6453] <... bpf resumed>) = 4 [pid 6455] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6454] <... setpgid resumed>) = 0 [pid 6453] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6455] <... prctl resumed>) = 0 [pid 6454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6455] setpgid(0, 0) = 0 [pid 6455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6454] <... openat resumed>) = 3 [pid 6455] <... openat resumed>) = 3 [pid 6454] write(3, "1000", 4) = 4 [pid 6455] write(3, "1000", 4 [pid 6454] close(3 [pid 6452] <... bpf resumed>) = 5 [pid 6451] <... bpf resumed>) = 5 [pid 6454] <... close resumed>) = 0 [pid 6453] <... bpf resumed>) = 5 [pid 6455] <... write resumed>) = 4 [pid 6452] exit_group(0 [pid 6451] exit_group(0executing program [pid 6455] close(3 [pid 6454] write(1, "executing program\n", 18 [pid 6453] exit_group(0 [pid 6452] <... exit_group resumed>) = ? [pid 6451] <... exit_group resumed>) = ? [pid 6455] <... close resumed>) = 0 [pid 6454] <... write resumed>) = 18 [pid 6453] <... exit_group resumed>) = ? [pid 6451] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6451, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6454] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 executing program [pid 6455] write(1, "executing program\n", 18) = 18 [pid 6454] <... bpf resumed>) = 3 [pid 6455] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6454] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6455] <... bpf resumed>) = 3 [pid 6454] <... bpf resumed>) = 4 [pid 6455] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6454] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6455] <... bpf resumed>) = 4 [pid 6455] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6456 attached , child_tidptr=0x5555802da650) = 6456 [pid 6456] set_robust_list(0x5555802da660, 24 [pid 6453] +++ exited with 0 +++ [pid 6452] +++ exited with 0 +++ [pid 6456] <... set_robust_list resumed>) = 0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6453, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6456] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6452, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6456] <... prctl resumed>) = 0 [pid 6456] setpgid(0, 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6456] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6457 attached [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6456] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 6458 attached [pid 6457] set_robust_list(0x5555802da660, 24 [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6457 [pid 6457] <... set_robust_list resumed>) = 0 executing program [pid 6456] close(3 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6458 [pid 6458] set_robust_list(0x5555802da660, 24 [pid 6457] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6456] <... close resumed>) = 0 [pid 6458] <... set_robust_list resumed>) = 0 [pid 6456] write(1, "executing program\n", 18 [pid 6458] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6457] <... prctl resumed>) = 0 [pid 6456] <... write resumed>) = 18 [pid 6454] <... bpf resumed>) = 5 [pid 6458] <... prctl resumed>) = 0 [pid 6458] setpgid(0, 0 [pid 6457] setpgid(0, 0 [pid 6456] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6455] <... bpf resumed>) = 5 [pid 6454] exit_group(0 [pid 6458] <... setpgid resumed>) = 0 [pid 6457] <... setpgid resumed>) = 0 [pid 6456] <... bpf resumed>) = 3 [pid 6458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6455] exit_group(0 [pid 6454] <... exit_group resumed>) = ? [pid 6458] <... openat resumed>) = 3 [pid 6458] write(3, "1000", 4 [pid 6457] <... openat resumed>) = 3 [pid 6456] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6455] <... exit_group resumed>) = ? [pid 6458] <... write resumed>) = 4 [pid 6457] write(3, "1000", 4 [pid 6456] <... bpf resumed>) = 4 [pid 6458] close(3 [pid 6457] <... write resumed>) = 4 [pid 6457] close(3) = 0 executing program [pid 6457] write(1, "executing program\n", 18) = 18 [pid 6457] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6457] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6458] <... close resumed>) = 0 [pid 6457] <... bpf resumed>) = 4 [pid 6456] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 executing program [pid 6458] write(1, "executing program\n", 18) = 18 [pid 6458] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 6458] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 4 [pid 6457] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6458] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6455] +++ exited with 0 +++ [pid 6454] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6455, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6454, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6459 attached [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6459 ./strace-static-x86_64: Process 6460 attached [pid 6459] set_robust_list(0x5555802da660, 24 [pid 6458] <... bpf resumed>) = 5 [pid 6457] <... bpf resumed>) = 5 [pid 6456] <... bpf resumed>) = 5 [pid 6460] set_robust_list(0x5555802da660, 24 [pid 6459] <... set_robust_list resumed>) = 0 [pid 6458] exit_group(0 [pid 6456] exit_group(0 [pid 6460] <... set_robust_list resumed>) = 0 [pid 6459] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6458] <... exit_group resumed>) = ? [pid 6457] exit_group(0 [pid 6456] <... exit_group resumed>) = ? [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6460 [pid 6460] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6459] <... prctl resumed>) = 0 [pid 6458] +++ exited with 0 +++ [pid 6457] <... exit_group resumed>) = ? [pid 6460] <... prctl resumed>) = 0 [pid 6459] setpgid(0, 0 [pid 6460] setpgid(0, 0 [pid 6459] <... setpgid resumed>) = 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6458, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6460] <... setpgid resumed>) = 0 [pid 6459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6459] <... openat resumed>) = 3 [pid 6460] write(3, "1000", 4) = 4 [pid 6459] write(3, "1000", 4 [pid 6460] close(3 [pid 6459] <... write resumed>) = 4 [pid 6460] <... close resumed>) = 0 executing program [pid 6460] write(1, "executing program\n", 18 [pid 6459] close(3 [pid 6460] <... write resumed>) = 18 [pid 6460] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6459] <... close resumed>) = 0 executing program [pid 6459] write(1, "executing program\n", 18 [pid 6460] <... bpf resumed>) = 3 [pid 6459] <... write resumed>) = 18 [pid 6460] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6459] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6457] +++ exited with 0 +++ [pid 6456] +++ exited with 0 +++ [pid 6460] <... bpf resumed>) = 4 [pid 6459] <... bpf resumed>) = 3 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6457, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6459] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6456, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6461 attached ./strace-static-x86_64: Process 6462 attached [pid 6460] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6459] <... bpf resumed>) = 4 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6461 ./strace-static-x86_64: Process 6463 attached [pid 6462] set_robust_list(0x5555802da660, 24 [pid 6461] set_robust_list(0x5555802da660, 24 [pid 6463] set_robust_list(0x5555802da660, 24 [pid 6462] <... set_robust_list resumed>) = 0 [pid 6461] <... set_robust_list resumed>) = 0 [pid 6460] <... bpf resumed>) = 5 [pid 6463] <... set_robust_list resumed>) = 0 [pid 6462] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6459] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6463 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6462 [pid 6463] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6461] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6463] <... prctl resumed>) = 0 [pid 6461] <... prctl resumed>) = 0 [pid 6463] setpgid(0, 0 [pid 6462] <... prctl resumed>) = 0 [pid 6461] setpgid(0, 0 [pid 6460] exit_group(0 [pid 6459] <... bpf resumed>) = 5 [pid 6463] <... setpgid resumed>) = 0 [pid 6462] setpgid(0, 0 [pid 6460] <... exit_group resumed>) = ? [pid 6463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6462] <... setpgid resumed>) = 0 [pid 6461] <... setpgid resumed>) = 0 [pid 6459] exit_group(0 [pid 6463] <... openat resumed>) = 3 [pid 6462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6463] write(3, "1000", 4 [pid 6461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6463] <... write resumed>) = 4 [pid 6463] close(3 [pid 6462] <... openat resumed>) = 3 [pid 6461] <... openat resumed>) = 3 [pid 6459] <... exit_group resumed>) = ? [pid 6463] <... close resumed>) = 0 [pid 6462] write(3, "1000", 4 [pid 6461] write(3, "1000", 4 [pid 6463] write(1, "executing program\n", 18executing program [pid 6461] <... write resumed>) = 4 [pid 6463] <... write resumed>) = 18 [pid 6461] close(3 [pid 6462] <... write resumed>) = 4 [pid 6463] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6462] close(3 [pid 6461] <... close resumed>) = 0 [pid 6463] <... bpf resumed>) = 3 [pid 6462] <... close resumed>) = 0 executing program [pid 6462] write(1, "executing program\n", 18 [pid 6461] write(1, "executing program\n", 18executing program [pid 6462] <... write resumed>) = 18 [pid 6463] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6462] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6461] <... write resumed>) = 18 [pid 6462] <... bpf resumed>) = 3 [pid 6462] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6461] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6463] <... bpf resumed>) = 4 [pid 6462] <... bpf resumed>) = 4 [pid 6463] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6461] <... bpf resumed>) = 3 [pid 6461] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6462] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6461] <... bpf resumed>) = 4 [pid 6460] +++ exited with 0 +++ [pid 6459] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6459, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6460, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6461] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6464 attached [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6464] set_robust_list(0x5555802da660, 24./strace-static-x86_64: Process 6465 attached ) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6464 [pid 6465] set_robust_list(0x5555802da660, 24 [pid 6464] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6465 [pid 6465] <... set_robust_list resumed>) = 0 [pid 6464] <... prctl resumed>) = 0 [pid 6465] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6464] setpgid(0, 0 [pid 6465] <... prctl resumed>) = 0 [pid 6465] setpgid(0, 0 [pid 6464] <... setpgid resumed>) = 0 [pid 6465] <... setpgid resumed>) = 0 [pid 6464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6464] <... openat resumed>) = 3 [pid 6464] write(3, "1000", 4 [pid 6465] <... openat resumed>) = 3 [pid 6464] <... write resumed>) = 4 executing program [pid 6464] close(3) = 0 [pid 6464] write(1, "executing program\n", 18) = 18 [pid 6465] write(3, "1000", 4 [pid 6464] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6463] <... bpf resumed>) = 5 [pid 6462] <... bpf resumed>) = 5 [pid 6461] <... bpf resumed>) = 5 [pid 6465] <... write resumed>) = 4 [pid 6464] <... bpf resumed>) = 3 [pid 6462] exit_group(0 [pid 6465] close(3 [pid 6464] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6465] <... close resumed>) = 0 [pid 6464] <... bpf resumed>) = 4 [pid 6463] exit_group(0 [pid 6462] <... exit_group resumed>) = ? [pid 6461] exit_group(0 [pid 6465] write(1, "executing program\n", 18 [pid 6461] <... exit_group resumed>) = ? executing program [pid 6465] <... write resumed>) = 18 [pid 6463] <... exit_group resumed>) = ? [pid 6462] +++ exited with 0 +++ [pid 6461] +++ exited with 0 +++ [pid 6465] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6464] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6463] +++ exited with 0 +++ [pid 6465] <... bpf resumed>) = 3 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6463, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6462, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6461, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6465] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6465] <... bpf resumed>) = 4 [pid 6465] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6464] <... bpf resumed>) = 5 [pid 5846] <... restart_syscall resumed>) = 0 [pid 6465] <... bpf resumed>) = 5 [pid 6464] exit_group(0) = ? [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6465] exit_group(0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6465] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6467 attached ./strace-static-x86_64: Process 6468 attached ./strace-static-x86_64: Process 6466 attached [pid 5846] <... clone resumed>, child_tidptr=0x5555802da650) = 6466 [pid 6468] set_robust_list(0x5555802da660, 24) = 0 [pid 6467] set_robust_list(0x5555802da660, 24 [pid 6466] set_robust_list(0x5555802da660, 24 [pid 5842] <... clone resumed>, child_tidptr=0x5555802da650) = 6468 [pid 6468] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] <... clone resumed>, child_tidptr=0x5555802da650) = 6467 [pid 6468] <... prctl resumed>) = 0 [pid 6468] setpgid(0, 0) = 0 [pid 6468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6467] <... set_robust_list resumed>) = 0 [pid 6466] <... set_robust_list resumed>) = 0 [pid 6465] +++ exited with 0 +++ [pid 6464] +++ exited with 0 +++ [pid 6468] write(3, "1000", 4 [pid 6467] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6466] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6464, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6465, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6468] <... write resumed>) = 4 [pid 6468] close(3 [pid 6467] <... prctl resumed>) = 0 [pid 6468] <... close resumed>) = 0 [pid 6467] setpgid(0, 0 [pid 6466] <... prctl resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 6468] write(1, "executing program\n", 18 [pid 6467] <... setpgid resumed>) = 0 [pid 6466] setpgid(0, 0./strace-static-x86_64: Process 6469 attached [pid 6468] <... write resumed>) = 18 [pid 6467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6468] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6466] <... setpgid resumed>) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x5555802da650) = 6469 ./strace-static-x86_64: Process 6470 attached [pid 6468] <... bpf resumed>) = 3 [pid 6467] <... openat resumed>) = 3 [pid 6466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6467] write(3, "1000", 4 [pid 6468] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6467] <... write resumed>) = 4 [pid 6466] <... openat resumed>) = 3 [pid 6470] set_robust_list(0x5555802da660, 24 [pid 6469] set_robust_list(0x5555802da660, 24 [pid 6468] <... bpf resumed>) = 4 [pid 6467] close(3 [pid 6470] <... set_robust_list resumed>) = 0 [pid 6469] <... set_robust_list resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555802da650) = 6470 [pid 6466] write(3, "1000", 4 [pid 6469] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6466] <... write resumed>) = 4 [pid 6470] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6469] <... prctl resumed>) = 0 [pid 6467] <... close resumed>) = 0 [pid 6466] close(3executing program executing program [pid 6470] <... prctl resumed>) = 0 [pid 6469] setpgid(0, 0 [pid 6470] setpgid(0, 0 [pid 6469] <... setpgid resumed>) = 0 [pid 6466] <... close resumed>) = 0 [pid 6470] <... setpgid resumed>) = 0 [pid 6467] write(1, "executing program\n", 18 [pid 6466] write(1, "executing program\n", 18 [pid 6469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6467] <... write resumed>) = 18 [pid 6466] <... write resumed>) = 18 [pid 6469] <... openat resumed>) = 3 [pid 6468] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6467] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6466] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6469] write(3, "1000", 4 [pid 6467] <... bpf resumed>) = 3 [pid 6466] <... bpf resumed>) = 3 [pid 6470] <... openat resumed>) = 3 [pid 6469] <... write resumed>) = 4 [pid 6467] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6466] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6470] write(3, "1000", 4 [pid 6469] close(3 [pid 6468] <... bpf resumed>) = 5 [pid 6467] <... bpf resumed>) = 4 [pid 6466] <... bpf resumed>) = 4 [pid 6470] <... write resumed>) = 4 [pid 6469] <... close resumed>) = 0 executing program [pid 6470] close(3 [pid 6469] write(1, "executing program\n", 18) = 18 [pid 6468] exit_group(0 [pid 6467] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6470] <... close resumed>) = 0 [pid 6469] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6468] <... exit_group resumed>) = ? [pid 6467] <... bpf resumed>) = 5 [pid 6466] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16executing program [pid 6470] write(1, "executing program\n", 18 [pid 6469] <... bpf resumed>) = 3 [pid 6470] <... write resumed>) = 18 [pid 6469] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6467] exit_group(0 [pid 6470] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 6467] <... exit_group resumed>) = ? [pid 6470] <... bpf resumed>) = 3 [pid 6469] <... bpf resumed>) = 4 [pid 6470] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=23, insns=0x200005c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 6469] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 6470] <... bpf resumed>) = 4