linux-kernel - Re: [RFC PATCH 2/6] sched/dl: Capacity-aware migrations

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Message-ID: <20190507150251.lhsnc3t7uz66gufv@queper01-lin>
Date:   Tue, 7 May 2019 16:02:54 +0100
From:   Quentin Perret <quentin.perret@....com>
To:     luca abeni <luca.abeni@...tannapisa.it>
Cc:     linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        "Paul E . McKenney" <paulmck@...ux.ibm.com>,
        Joel Fernandes <joel@...lfernandes.org>,
        Luc Van Oostenryck <luc.vanoostenryck@...il.com>,
        Morten Rasmussen <morten.rasmussen@....com>,
        Juri Lelli <juri.lelli@...hat.com>,
        Daniel Bristot de Oliveira <bristot@...hat.com>,
        Patrick Bellasi <patrick.bellasi@....com>,
        Tommaso Cucinotta <tommaso.cucinotta@...tannapisa.it>
Subject: Re: [RFC PATCH 2/6] sched/dl: Capacity-aware migrations

On Tuesday 07 May 2019 at 16:41:27 (+0200), luca abeni wrote:
> I think I added this modification because I arrived to the conclusion
> that schedutils does not perform this rescaling (at least, I think it
> did not perform it when I wrote the patch :)

Right, I'm not sure what was the behaviour before, but schedutil should
actually do that scaling now, though pretty far down the line (see
map_util_freq()). So I think we're good on that end ;-)

Thanks,
Quentin