On 29 November 2016 at 17:12, Ingo Molnar <mi...@kernel.org> wrote: > > * Baolin Wang <baolin.w...@linaro.org> wrote: > >> On 29 November 2016 at 15:23, Ingo Molnar <mi...@kernel.org> wrote: >> > >> > * John Stultz <john.stu...@linaro.org> wrote: >> > >> >> From: Baolin Wang <baolin.w...@linaro.org> >> >> >> >> For system debugging, we sometimes want to know who sets one >> >> alarm timer, the time of the timer, when the timer started and >> >> fired and so on. Thus adding tracepoints can help us trace the >> >> alarmtimer information. >> > >> > s/one alarm timer/an alarm timer >> > >> >> For example, when we debug the system supend/resume, if the >> >> system is always resumed by RTC alarm, we can find out which >> >> process set the alarm timer to resume system by below trace log: >> > >> > s/when we debug the system/when we debug system >> > s/supend/suspend >> > s/resume system/resume the system >> > s/by below trace log/by the trace log below >> > >> >> From the trace log, we can find out the 'Binder:3292_2' process >> >> set one alarm timer which resumes the system. >> > >> > s/set one alarm timer/set an alarm timer >> > >> >> Changes since v4: >> >> - Initialize 'type' to -1 and rename it in alarmtimer_suspend(). >> >> - Fix typo in subject line. >> >> >> >> Changes since v3: >> >> - Remove the "ALARM_" prefix in the string. >> >> - Add the ACK by Steven Rostedt. >> >> >> >> Changes since v2: >> >> - Save time as s64 type. >> >> - Remove 'process_name' parameter and add 'now' parameter. >> >> - Rename the trace event name. >> >> - Remove restart trace event. >> >> - Other optimization. >> > >> > I find it really sad that a patch that has gone through 4 iterations still >> > has so >> > many typos and grammar errors in its changelog :-( >> >> Really sorry for these elementary errors, I will fix these errors in >> new patch. Sorry for troubles again. > > No problem - the code looks fine to me, so we can fix this when applying the > patches.
Okay, thanks a lot. -- Baolin.wang Best Regards