tracing: add average time in function to function profiler

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Show the average time in the function (Time / Hit)

  Function                               Hit    Time            Avg
  --------                               ---    ----            ---
  mwait_idle                              51    140326.6 us     2751.503 us
  smp_apic_timer_interrupt                47    3517.735 us     74.845 us
  schedule                                10    2738.754 us     273.875 us
  __schedule                              10    2732.857 us     273.285 us
  hrtimer_interrupt                       47    1896.104 us     40.342 us
  irq_exit                                56    1711.833 us     30.568 us
  __run_hrtimer                           47    1315.589 us     27.991 us
  tick_sched_timer                        47    1138.690 us     24.227 us
  do_softirq                              56    1116.829 us     19.943 us
  __do_softirq                            56    1066.932 us     19.052 us
  do_IRQ                                   9    926.153 us      102.905 us

Signed-off-by: Steven Rostedt <srostedt@redhat.com>

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This commit is contained in:

Steven Rostedt 2009-03-25 21:00:47 -04:00

parent 318e0a73c9

commit 34886c8bc5

1 changed files with 14 additions and 7 deletions

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21

kernel/trace/ftrace.c

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