Re: [PATCH] tracing, perf: add more power related events

From: Jean Pihet
Date: Mon Aug 16 2010 - 07:25:48 EST


On Mon, Aug 16, 2010 at 1:15 PM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> On Mon, 2010-08-16 at 13:09 +0200, Jean Pihet wrote:
>> This patch adds new generic events for dynamic power management
>> tracing:
>> - clock events class: used for clock enable/disable and for
>>    clock rate change,
>> - power_domain events class: used for power domains transitions.
>>
>> The OMAP architecture is using the new events for PM debugging, however
>> the new events are made generic enough to be used by all platforms.
>
> Even though I'm blissfully ignorant on power stuffs, the proposed set of
> trace thingies doesn't appear to even start covering x86..
Ok, let's discuss it! The intention is to provide new generic events.

>
> CC'ed people who know more on the subject.
>
Thanks!
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