[PATCH v2 0/3] ftrace: add tracepoint for timer event

Xiao Guangrong
2009-07-06T09:37:12Z

Hi,

We can monitor timer's lifecycle and behaviors by these tracepoint.

Following tracepoints are introduced as ingo's suggestion in
http://marc.info/?l=linux-kernel&m=123791899529128&w=2

for timer:
trace_timer_init()
trace_timer_start()
trace_timer_expire()
trace_timer_cancel()

for hrtimer:
trace_hrtimer_init()
trace_hrtimer_start()
trace_hrtimer_expire()
trace_hrtimer_cancel()

for itimer:
itimer_state
itimer_expire()

Changlog from latest patchset:
Add itimer's patch to monitor itimer's lifecycle and behaviors