cddl/contrib/dtracetoolkit/Examples/syscallbypid_example.txt

   1 The following is a demonstration of the syscallbypid.d script,
   2
   3
   4 Here we run syscallbypid.d for a few seconds then hit Ctrl-C,
   5
   6    # syscallbypid.d
   7    Tracing... Hit Ctrl-C to end.
   8    ^C
   9       PID CMD                      SYSCALL                     COUNT
  10     11039 dtrace                   setcontext                      1
  11     11039 dtrace                   lwp_sigmask                     1
  12         7 svc.startd               portfs                          1
  13       357 poold                    lwp_cond_wait                   1
  14     27328 java_vm                  lwp_cond_wait                   1
  15      1532 Xorg                     writev                          1
  16     11039 dtrace                   lwp_park                        1
  17     11039 dtrace                   schedctl                        1
  18     11039 dtrace                   mmap                            1
  19       361 sendmail                 pollsys                         1
  20     11039 dtrace                   fstat64                         1
  21     11039 dtrace                   sigaction                       2
  22     11039 dtrace                   write                           2
  23       361 sendmail                 lwp_sigmask                     2
  24      1659 mozilla-bin              yield                           2
  25     11039 dtrace                   sysconfig                       3
  26       361 sendmail                 pset                            3
  27     20317 sshd                     read                            4
  28       361 sendmail                 gtime                           4
  29     20317 sshd                     write                           4
  30     27328 java_vm                  ioctl                           6
  31     11039 dtrace                   brk                             8
  32      1532 Xorg                     setcontext                      8
  33      1532 Xorg                     lwp_sigmask                     8
  34     20317 sshd                     pollsys                         8
  35       357 poold                    pollsys                        13
  36      1659 mozilla-bin              read                           16
  37     20317 sshd                     lwp_sigmask                    16
  38      1532 Xorg                     setitimer                      17
  39     27328 java_vm                  pollsys                        18
  40      1532 Xorg                     pollsys                        19
  41     11039 dtrace                   p_online                       21
  42      1532 Xorg                     read                           22
  43      1659 mozilla-bin              write                          25
  44      1659 mozilla-bin              lwp_park                       26
  45     11039 dtrace                   ioctl                          36
  46      1659 mozilla-bin              pollsys                       155
  47      1659 mozilla-bin              ioctl                         306
  48
  49 In the above output, we can see that "mozilla-bin" with PID 1659 made the
  50 most system calls - 306 ioctl()s.