drivers/staging/ktap/samples/syscalls/syscalls_count_by_proc.kp

   1 #!/usr/bin/env ktap
   2
   3 s = ptable()
   4
   5 trace syscalls:sys_enter_* {
   6         s[execname()] <<< 1
   7 }
   8
   9 trace_end {
  10         histogram(s)
  11 }
  12
  13 #Result:
  14 #
  15 #[root@jovi ktap]# ./ktap samples/syscalls_histogram2.kp
  16 #^C
  17 #                          value ------------- Distribution ------------- count
  18 #                            sshd |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@      196
  19 #                          iscsid |@@@@                                   24
  20 #                        sendmail |@                                      9
  21
  22