linux-kernel - Re: [PATCH 2/2] sched/fair: Scale wakeup granularity relative to nr

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Message-ID: <bdc1c7d989cdca3fabc356c8e330117b3985072d.camel@gmx.de>
Date:   Tue, 21 Sep 2021 09:04:10 +0200
From:   Mike Galbraith <efault@....de>
To:     Mel Gorman <mgorman@...hsingularity.net>,
        Peter Zijlstra <peterz@...radead.org>
Cc:     Ingo Molnar <mingo@...nel.org>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Valentin Schneider <valentin.schneider@....com>,
        Aubrey Li <aubrey.li@...ux.intel.com>,
        Barry Song <song.bao.hua@...ilicon.com>,
        Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] sched/fair: Scale wakeup granularity relative to
 nr_running

On Tue, 2021-09-21 at 05:52 +0200, Mike Galbraith wrote:
>
> ...preempt threshold reaches 12.000ms, by human booboo or now 3
> runnable tasks

Bah, 6 so not so close to hohum burst level, but still something that
maybe warrants a feature.

	-Mike