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SubjectRe: [discussion]sched: a rough proposal to enable power saving in scheduler
On 8/15/2012 6:14 PM, Rik van Riel wrote:
>
> The idea Matthew and I have is simply planning for a shorter
> sleep period (discarding the outliers to the high end in the
> function once known as detect_repeating_patterns), and going
> to a deeper C state if we have significantly overslept.
>
> The new estimation code is easy, but for the past days I have
> been looking through the timer code to figure out how such a
> timer could fire, and how we could recognize it without it
> looking like a normal wakeup, if we do not end up accidentally
> waking up another CPU, etc...

this sort of code we recently developed already in house;
i'm surprised it hasn't been pasted to lkml yet




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