% time     seconds  usecs/call     calls    errors syscall
------ ----------- ----------- --------- --------- ----------------
 45.55    0.015328           7      2080      1024 chdir
 28.44    0.009570        1196         8           wait4
 22.11    0.007439          79        94         5 futex
  1.59    0.000534           2       184           rt_sigprocmask
  1.03    0.000347          10        32           clone
  0.72    0.000241           7        32           munmap
  0.28    0.000093           2        33           mmap
  0.27    0.000092           2        34           mprotect
  0.02    0.000007           0         8           membarrier
  0.00    0.000000           0         2           brk
  0.00    0.000000           0         8           fork
  0.00    0.000000           0         1           execve
  0.00    0.000000           0         1           arch_prctl
  0.00    0.000000           0         9           set_tid_address
------ ----------- ----------- --------- --------- ----------------
100.00    0.033651          13      2526      1029 total
