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Date: Wed, 8 Jul 2015 09:22:13 +0900 From: Byungchul Park <byungchul.park@....com> To: Peter Zijlstra <peterz@...radead.org> Cc: mingo@...nel.org, linux-kernel@...r.kernel.org, pjt@...gle.com Subject: Re: [PATCH] sched: make decaying sched_avg's variables happen on period boundary On Wed, Jul 08, 2015 at 12:54:30AM +0200, Peter Zijlstra wrote: > On Tue, Jul 07, 2015 at 02:42:56PM +0900, byungchul.park@....com wrote: > > From: Byungchul Park <byungchul.park@....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@...el.com > > There is a comprehensive rewrite of all this under consideration. thank you, peter :) i will check it. > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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