linux-kernel - Re: [PATCH v7 12/14] sched/fair: Select an energy-efficient CPU on task wake-up

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Date:   Thu, 4 Oct 2018 11:55:09 +0100
From:   Quentin Perret <quentin.perret@....com>
To:     Peter Zijlstra <peterz@...radead.org>
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 12/14] sched/fair: Select an energy-efficient CPU on
 task wake-up

On Thursday 04 Oct 2018 at 12:41:07 (+0200), Peter Zijlstra wrote:
> Not sure, see what it looks like ;-) My main concern here was to get rid
> of that giant blob in select_task_rq_fair().

OK, got it. I'll probably just move the checks into the function and
merge that large comment into the already massive comment above
find_energy_efficient_cpu() or something. We'll see :-)

And do you actually care about the function name ? We've been using
find_energy_efficient_cpu() for some time in Android now, so that's just
slightly easier for us if that can be re-used. Not a big deal either,
though.

Thanks,
Quentin