linux-kernel - Re: [PATCH v5 1/4] sched/fair: add util

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Message-ID: <20180307173504.GP25181@hirez.programming.kicks-ass.net>
Date:   Wed, 7 Mar 2018 18:35:04 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Patrick Bellasi <patrick.bellasi@....com>
Cc:     linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        Ingo Molnar <mingo@...hat.com>,
        "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Paul Turner <pjt@...gle.com>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Morten Rasmussen <morten.rasmussen@....com>,
        Juri Lelli <juri.lelli@...hat.com>,
        Todd Kjos <tkjos@...roid.com>,
        Joel Fernandes <joelaf@...gle.com>,
        Steve Muckle <smuckle@...gle.com>
Subject: Re: [PATCH v5 1/4] sched/fair: add util_est on top of PELT

On Wed, Mar 07, 2018 at 03:24:58PM +0000, Patrick Bellasi wrote:

> Maybe that's the tricky bit: we remove the value we enqueued, _not_
> the current util_avg. Notice we use _task_util_est(p)... with the
> leading "_".

ARGH, ok let me try that again ;-)