linux-kernel - Re: [PATCH v3 04/10] sched/fair: rework load

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Message-ID: <CAKfTPtD2_ZHUv5Kz3R2qV33RxrGNC=y+7-4jCdvj9Deo=7A77Q@mail.gmail.com>
Date:   Mon, 30 Sep 2019 09:44:47 +0200
From:   Vincent Guittot <vincent.guittot@...aro.org>
To:     Rik van Riel <riel@...riel.com>
Cc:     linux-kernel <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Phil Auld <pauld@...hat.com>,
        Valentin Schneider <valentin.schneider@....com>,
        Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
        Quentin Perret <quentin.perret@....com>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Morten Rasmussen <Morten.Rasmussen@....com>,
        Hillf Danton <hdanton@...a.com>
Subject: Re: [PATCH v3 04/10] sched/fair: rework load_balance

On Mon, 30 Sep 2019 at 03:13, Rik van Riel <riel@...riel.com> wrote:
>
> On Thu, 2019-09-19 at 09:33 +0200, Vincent Guittot wrote:
> >
> > Also the load balance decisions have been consolidated in the 3
> > functions
> > below after removing the few bypasses and hacks of the current code:
> > - update_sd_pick_busiest() select the busiest sched_group.
> > - find_busiest_group() checks if there is an imbalance between local
> > and
> >   busiest group.
> > - calculate_imbalance() decides what have to be moved.
>
> I really like the direction this series is going.

Thanks

>
> However, I suppose I should run these patches for
> a few days with some of our test workloads before
> I send out an ack for this patch :)

Yes more tests on different platform are welcome

>
> --
> All Rights Reversed.