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Date: Thu, 13 Apr 2017 20:06:12 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: Vincent Guittot <vincent.guittot@linaro.org>
Cc: Ingo Molnar <mingo@kernel.org>,
        linux-kernel <linux-kernel@vger.kernel.org>,
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        Yuyang Du <yuyang.du@intel.com>, Paul Turner <pjt@google.com>,
        Ben Segall <bsegall@google.com>
Subject: Re: [PATCH v2] sched/fair: update scale invariance of PELT
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On Thu, Apr 13, 2017 at 04:59:15PM +0200, Vincent Guittot wrote:
> On 13 April 2017 at 15:32, Peter Zijlstra <peterz@infradead.org> 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.