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Date:   Thu, 13 Apr 2017 20:06:12 +0200
From:   Peter Zijlstra <>
To:     Vincent Guittot <>
Cc:     Ingo Molnar <>,
        linux-kernel <>,
        Dietmar Eggemann <>,
        Morten Rasmussen <>,
        Yuyang Du <>, Paul Turner <>,
        Ben Segall <>
Subject: Re: [PATCH v2] sched/fair: update scale invariance of PELT

On Thu, Apr 13, 2017 at 04:59:15PM +0200, Vincent Guittot wrote:
> On 13 April 2017 at 15:32, Peter Zijlstra <> wrote:
> > 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?
> exactly
> sorry, I should have started with that

Damn, that just bring me around to wondering why running is the right
condition to create lost-time.

Because for runnable we want everything that has weight.

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