rails.strace

% time     seconds  usecs/call     calls    errors syscall
------ ----------- ----------- --------- --------- ----------------
 43.39   32.368699      103414       313         2 select
 41.75   31.148654      200959       155           poll
 13.88   10.355962        4428      2339       558 futex
  0.56    0.417796           6     72348     68571 open
  0.12    0.087338           5     16358       804 lstat
  0.04    0.031954           7      4733       862 stat
  0.04    0.031695           7      4875       170 read
  0.04    0.027923           7      3774           mprotect
  0.04    0.027280           6      4526           close
  0.02    0.018049           5      3443           fstat
  0.02    0.012453           6      2052      2044 ioctl
  0.01    0.011108           7      1518           getuid
  0.01    0.010490          23       455           write
  0.01    0.008979           6      1452           getdents
  0.01    0.008908           6      1520           geteuid
  0.01    0.007503           5      1517           getgid
  0.01    0.007127           5      1519           getegid
  0.01    0.004112           5       799           brk
  0.01    0.004001           5       812        86 openat
  0.00    0.003694         142        26        24 access
  0.00    0.002569           5       557           lseek
  0.00    0.001986           6       342       250 fcntl
  0.00    0.001973         282         7           madvise
  0.00    0.001366           6       223           mmap
  0.00    0.001259          33        38           getsockname
  0.00    0.000791          23        34           munmap
  0.00    0.000760          14        53           sched_yield
  0.00    0.000584          21        28           getpeername
  0.00    0.000392          11        35           rt_sigaction
  0.00    0.000357          40         9           prctl
  0.00    0.000322           8        39           chdir
  0.00    0.000279         279         1           mremap
  0.00    0.000251          13        19           recvmsg
  0.00    0.000000           0         6           rt_sigprocmask
  0.00    0.000000           0         2         2 rt_sigreturn
  0.00    0.000000           0        16           socket
  0.00    0.000000           0        16         3 connect
  0.00    0.000000           0         8           sendto
  0.00    0.000000           0         1           recvfrom
  0.00    0.000000           0         2           shutdown
  0.00    0.000000           0         8           bind
  0.00    0.000000           0         2           listen
  0.00    0.000000           0         7           setsockopt
  0.00    0.000000           0         9           clone
  0.00    0.000000           0         2           execve
  0.00    0.000000           0         4           uname
  0.00    0.000000           0         4           fdatasync
  0.00    0.000000           0        31           getcwd
  0.00    0.000000           0         5         5 mkdir
  0.00    0.000000           0         2           unlink
  0.00    0.000000           0         1           readlink
  0.00    0.000000           0         5           getrlimit
  0.00    0.000000           0         9           sigaltstack
  0.00    0.000000           0         2           arch_prctl
  0.00    0.000000           0         9           sched_getaffinity
  0.00    0.000000           0         2           set_tid_address
  0.00    0.000000           0         2           clock_gettime
  0.00    0.000000           0         1           tgkill
  0.00    0.000000           0        11           set_robust_list
  0.00    0.000000           0         6           accept4
  0.00    0.000000           0         5           pipe2
  0.00    0.000000           0         2           sendmmsg
------ ----------- ----------- --------- --------- ----------------
100.00   74.606614                126099     73381 total

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