Messages in this thread | | | Date | Wed, 15 Aug 2012 18:21:13 -0700 | From | Arjan van de Ven <> | Subject | Re: [discussion]sched: a rough proposal to enable power saving in scheduler |
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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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