gistfile1.txt

strace -f -c erl -noshell -eval "[erlang:now() || _X <- lists:seq(1, 1000000)], halt()."
Process 8937 attached
Process 8938 attached
Process 8939 attached
Process 8940 attached
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Process 8942 attached
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Process 8957 attached
% time     seconds  usecs/call     calls    errors syscall
------ ----------- ----------- --------- --------- ----------------
 93.07   15.200973        2947      5158       269 futex
  6.10    0.996000      199200         5         1 wait4
  0.76    0.124023          14      8891           poll
  0.05    0.008000          35       231         7 read
  0.02    0.002649           0     65728     65526 close
  0.01    0.000992          17        60           munmap
  0.00    0.000017           0      5438           sched_yield
  0.00    0.000006           3         2           getppid
  0.00    0.000000           0        13           write
  0.00    0.000000           0       227        71 open
  0.00    0.000000           0       424       193 stat
  0.00    0.000000           0        43           fstat
  0.00    0.000000           0       147           lstat
  0.00    0.000000           0         3           lseek
  0.00    0.000000           0       196           mmap
  0.00    0.000000           0        75           mprotect
  0.00    0.000000           0        19           brk
  0.00    0.000000           0        89           rt_sigaction
  0.00    0.000000           0        38           rt_sigprocmask
  0.00    0.000000           0         3           rt_sigreturn
  0.00    0.000000           0         4           ioctl
  0.00    0.000000           0         1           writev
  0.00    0.000000           0       284        36 access
  0.00    0.000000           0         8           pipe
  0.00    0.000000           0         3           select
  0.00    0.000000           0        10           madvise
  0.00    0.000000           0         7           dup2
  0.00    0.000000           0         3           getpid
  0.00    0.000000           0         3           socket
  0.00    0.000000           0         2         2 connect
  0.00    0.000000           0         1           bind
  0.00    0.000000           0         1           getsockname
  0.00    0.000000           0         3           setsockopt
  0.00    0.000000           0         2           getsockopt
  0.00    0.000000           0        20           clone
  0.00    0.000000           0         1           vfork
  0.00    0.000000           0         7           execve
  0.00    0.000000           0         1           kill
  0.00    0.000000           0         6           uname
  0.00    0.000000           0        26           fcntl
  0.00    0.000000           0        26           getdents
  0.00    0.000000           0        56           getcwd
  0.00    0.000000           0        12           readlink
  0.00    0.000000           0         3           getrlimit
  0.00    0.000000           0         2           geteuid
  0.00    0.000000           0         1           setsid
  0.00    0.000000           0         2           sigaltstack
  0.00    0.000000           0         2         2 statfs
  0.00    0.000000           0         7           arch_prctl
  0.00    0.000000           0         3           sched_getaffinity
  0.00    0.000000           0         2           set_tid_address
  0.00    0.000000           0        13           openat
  0.00    0.000000           0        18           set_robust_list
------ ----------- ----------- --------- --------- ----------------
100.00   16.332660                 87330     66107 total