drivers/staging/ktap/samples/tracepoints/eventcount_by_proc.kp

   1 #!/usr/bin/env ktap
   2
   3 # showing all tracepoints in histogram style
   4
   5 s = ptable()
   6
   7 trace *:* {
   8         s[execname()] <<< 1
   9 }
  10
  11 trace_end {
  12         histogram(s)
  13 }
  14
  15 #Results:
  16 #^C
  17 #                          value ------------- Distribution ------------- count
  18 #                       swapper/0 |@@@@@@@@@@@@                           354378
  19 #                       swapper/1 |@@@@@@@@@@                             284984
  20 #                              ps |@@@@                                   115697
  21 #                        ksmtuned |@@@                                    95857
  22 #                          iscsid |@@                                     80008
  23 #                             awk |@                                      30354
  24 #                      irqbalance |                                       16530
  25 #                       rcu_sched |                                       15892
  26 #                        sendmail |                                       14463
  27 #                     kworker/0:1 |                                       10540
  28 #                    kworker/u4:2 |                                       9250
  29 #                     kworker/1:2 |                                       7943
  30 #                           sleep |                                       7555
  31 #                           crond |                                       3911
  32 #                     ksoftirqd/0 |                                       3817
  33 #                            sshd |                                       2849
  34 #                 systemd-journal |                                       2209
  35 #                     migration/1 |                                       1601
  36 #                     migration/0 |                                       1350
  37 #                        dhclient |                                       1343
  38 #                 nm-dhcp-client. |                                       1208
  39 #                     ksoftirqd/1 |                                       1064
  40 #                      watchdog/1 |                                       966
  41 #                      watchdog/0 |                                       964
  42 #                      khugepaged |                                       776
  43 #                     dbus-daemon |                                       611
  44 #                         rpcbind |                                       607
  45 #                           gdbus |                                       529
  46 #                  NetworkManager |                                       399
  47 #                     jbd2/dm-1-8 |                                       378
  48 #                   modem-manager |                                       184
  49 #                  abrt-watch-log |                                       157
  50 #                         polkitd |                                       156
  51 #                   rs:main Q:Reg |                                       153
  52 #                    avahi-daemon |                                       151
  53 #                        rsyslogd |                                       102
  54 #                         systemd |                                       96
  55 #                    kworker/0:1H |                                       45
  56 #                          smartd |                                       30
  57