Re: [PATCH 2/3] PERF(kernel): Cleanup power events
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- Subject: Re: [PATCH 2/3] PERF(kernel): Cleanup power events
- From: Ingo Molnar <mingo@xxxxxxx>
- Date: Mon, 25 Oct 2010 12:04:28 +0200
- Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>, Frank Eigler <fche@xxxxxxxxxx>, Steven Rostedt <rostedt@xxxxxxxxxxx>, Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, linux-omap@xxxxxxxxxxxxxxx, rjw@xxxxxxx, linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx, linux-trace-users@xxxxxxxxxxxxxxx, Jean Pihet <jean.pihet@xxxxxxxxxxxxxx>, Pierre Tardy <tardyp@xxxxxxxxx>, Frederic Weisbecker <fweisbec@xxxxxxxxx>, Tejun Heo <tj@xxxxxxxxxx>, Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>, Arjan van de Ven <arjan@xxxxxxxxxxxxxxx>
- In-reply-to: <1287488171-25303-3-git-send-email-trenn@xxxxxxx>
- References: <1287488171-25303-1-git-send-email-trenn@xxxxxxx> <1287488171-25303-3-git-send-email-trenn@xxxxxxx>
- User-agent: Mutt/1.5.20 (2009-08-17)
* Thomas Renninger <trenn@xxxxxxx> wrote:
> New power trace events:
> power:processor_idle
> power:processor_frequency
> power:machine_suspend
>
>
> C-state/idle accounting events:
> power:power_start
> power:power_end
> are replaced with:
> power:processor_idle
Well, most power saving hw models (and the code implementing them) have this kind of
model:
enter power saving mode X
exit power saving mode
Where X is some sort of 'power saving deepness' attribute, right?
Ingo
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