Re: [PATCH v3 2/2] sched: consider missed ticks when updating global cpu load

From	Peter Zijlstra <peterz@infradead.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH v3 2/2] sched: consider missed ticks when updating global cpu load
Date	2015-10-13 17:00 +0200
Message-ID	<qj9dx-1jL-43@gated-at.bofh.it> (permalink)
References	(3 earlier) <qfLr4-1dr-1@gated-at.bofh.it> <qg9a2-1Gp-5@gated-at.bofh.it> <qiPou-64e-15@gated-at.bofh.it> <qj1SG-7Dx-15@gated-at.bofh.it> <qj9dw-1jL-29@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Tue, Oct 13, 2015 at 04:51:05PM +0200, Frederic Weisbecker wrote:
> > And tick_nohz_handler() actually computes the number of ticks -- which
> > we then happily ignore.
> > 
> > Why compute it again a few functions down?
> 
> Ah, you mean we could get the return value of hrtimer_foward()? Both
> callers use hrtimer_forward() and I think it's fine to call it before
> tick_sched_handle().

Indeed so!
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Re: [PATCH v3 2/2] sched: consider missed ticks when updating global  cpu load Frederic Weisbecker <fweisbec@gmail.com> - 2015-10-12 19:50 +0200
  Re: [PATCH v3 2/2] sched: consider missed ticks when updating global  cpu load Peter Zijlstra <peterz@infradead.org> - 2015-10-13 09:10 +0200
    Re: [PATCH v3 2/2] sched: consider missed ticks when updating global  cpu load Byungchul Park <byungchul.park@lge.com> - 2015-10-13 10:40 +0200
      Re: [PATCH v3 2/2] sched: consider missed ticks when updating global  cpu load Frederic Weisbecker <fweisbec@gmail.com> - 2015-10-13 17:00 +0200
    Re: [PATCH v3 2/2] sched: consider missed ticks when updating global  cpu load Frederic Weisbecker <fweisbec@gmail.com> - 2015-10-13 17:00 +0200
      Re: [PATCH v3 2/2] sched: consider missed ticks when updating global  cpu load Peter Zijlstra <peterz@infradead.org> - 2015-10-13 17:00 +0200

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