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Re: [PATCH] sched: make decaying sched_avg's variables happen on period boundary

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  Re: [PATCH] sched: make decaying sched_avg's variables happen on  period boundary Peter Zijlstra <peterz@infradead.org> - 2015-07-08 01:00 +0200

#1179142 — Re: [PATCH] sched: make decaying sched_avg's variables happen on period boundary

On Tue, Jul 07, 2015 at 02:42:56PM +0900, byungchul.park@lge.com wrote:
> From: Byungchul Park <byungchul.park@lge.com>
> 
> decaying time happens on every period boundary. if it does not reach
> the period boundary yet, the partial time needs to be kept so that
> the time can be decayed on exactly period boundary at next update.
> 
> sa->avg_period is not appropriate for getting partial delta_w because
> the value is a decayed average value, with which we cannnot get partial
> delta at all which does not reach the period boundary yet.

lkml.kernel.org/r/1435018085-7004-1-git-send-email-yuyang.du@intel.com

There is a comprehensive rewrite of all this under consideration.
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