% time     seconds  usecs/call     calls    errors syscall
------ ----------- ----------- --------- --------- ----------------
 43.14    0.024634          11      2080      1024 chdir
 28.66    0.016368        1364        12         4 wait4
 22.70    0.012960         589        22           futex
  1.41    0.000806           5       136           rt_sigprocmask
  1.36    0.000776          97         8           clone
  1.07    0.000610          19        32           clone3
  0.78    0.000446          13        32           madvise
  0.26    0.000151           4        33           rseq
  0.25    0.000145           3        41           set_robust_list
  0.20    0.000115           3        38           mmap
  0.16    0.000090           2        36           mprotect
  0.00    0.000000           0         1         1 faccessat
  0.00    0.000000           0         2           openat
  0.00    0.000000           0         2           close
  0.00    0.000000           0         1           read
  0.00    0.000000           0         2           fstat
  0.00    0.000000           0         1           set_tid_address
  0.00    0.000000           0         8           rt_sigaction
  0.00    0.000000           0        17           brk
  0.00    0.000000           0         2           munmap
  0.00    0.000000           0         1           execve
  0.00    0.000000           0         1           prlimit64
  0.00    0.000000           0         8           getrandom
------ ----------- ----------- --------- --------- ----------------
100.00    0.057101          22      2516      1029 total