% time     seconds  usecs/call     calls    errors syscall
------ ----------- ----------- --------- --------- ----------------
 38.46    0.018763           9      2080      1024 chdir
 31.36    0.015302        1275        12         4 wait4
 25.22    0.012304         559        22           futex
  2.21    0.001078           6       160           rt_sigprocmask
  0.76    0.000369          11        32           madvise
  0.72    0.000350           9        36           mprotect
  0.70    0.000343          10        32           clone3
  0.18    0.000090           2        38           mmap
  0.17    0.000083           2        41           set_robust_list
  0.17    0.000081           2        33           rseq
  0.04    0.000021           1        17           brk
  0.01    0.000005           0         8           getrandom
  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         3           munmap
  0.00    0.000000           0         8           clone
  0.00    0.000000           0         1           execve
  0.00    0.000000           0         1           prlimit64
------ ----------- ----------- --------- --------- ----------------
100.00    0.048789          19      2541      1029 total
