linux-kernel - Re: [PATCH v2] sched/fair: update scale invariance of PELT

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Message-ID: <20170413133205.jbf25sptwyldfvih@hirez.programming.kicks-ass.net>
Date:   Thu, 13 Apr 2017 15:32:05 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Vincent Guittot <vincent.guittot@...aro.org>
Cc:     mingo@...nel.org, linux-kernel@...r.kernel.org,
        dietmar.eggemann@....com, Morten.Rasmussen@....com,
        yuyang.du@...el.com, pjt@...gle.com, bsegall@...gle.com
Subject: Re: [PATCH v2] sched/fair: update scale invariance of PELT

On Wed, Apr 12, 2017 at 01:28:58PM +0200, Peter Zijlstra wrote:

> I still wonder about the whole !running vs !weight thing.,

Ah, since we use this for both util _and_ load, we need !running &&
!weight, and it so happens that !weight implies !running. Is that it?