linux-kernel - Re: [PATCH v7 03/14] PM: Introduce an Energy Model management framework

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Message-ID: <20181002135032.GF26858@hirez.programming.kicks-ass.net>
Date:   Tue, 2 Oct 2018 15:50:32 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Quentin Perret <quentin.perret@....com>
Cc:     rjw@...ysocki.net, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, gregkh@...uxfoundation.org,
        mingo@...hat.com, dietmar.eggemann@....com,
        morten.rasmussen@....com, chris.redpath@....com,
        patrick.bellasi@....com, valentin.schneider@....com,
        vincent.guittot@...aro.org, thara.gopinath@...aro.org,
        viresh.kumar@...aro.org, tkjos@...gle.com, joel@...lfernandes.org,
        smuckle@...gle.com, adharmap@...eaurora.org,
        skannan@...eaurora.org, pkondeti@...eaurora.org,
        juri.lelli@...hat.com, edubezval@...il.com,
        srinivas.pandruvada@...ux.intel.com, currojerez@...eup.net,
        javi.merino@...nel.org
Subject: Re: [PATCH v7 03/14] PM: Introduce an Energy Model management
 framework

On Tue, Oct 02, 2018 at 01:54:17PM +0100, Quentin Perret wrote:
> On Tuesday 02 Oct 2018 at 14:25:35 (+0200), Peter Zijlstra wrote:

> > Should we explicitly mention that this ignores idle costs?
> 
> More doc shouldn't hurt so I can add a little something if you feel it's
> needed.

Yes please, every time I read that thing I wonder about idle energy.
Then I remember we talked about this and it is expressly ignored.