linux-kernel - Re: [PATCH 6/6] [RFC] delayacct: Default disabled

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Message-ID: <20210512113516.GG3672@suse.de>
Date:   Wed, 12 May 2021 12:35:16 +0100
From:   Mel Gorman <mgorman@...e.de>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     tglx@...utronix.de, mingo@...nel.org, juri.lelli@...hat.com,
        vincent.guittot@...aro.org, dietmar.eggemann@....com,
        rostedt@...dmis.org, bsegall@...gle.com, bristot@...hat.com,
        bsingharora@...il.com, pbonzini@...hat.com, maz@...nel.org,
        linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        riel@...riel.com, hannes@...xchg.org
Subject: Re: [PATCH 6/6] [RFC] delayacct: Default disabled

On Wed, May 05, 2021 at 12:59:46PM +0200, Peter Zijlstra wrote:
> Assuming this stuff isn't actually used much; disable it by default
> and avoid allocating and tracking the task_delay_info structure.
> 
> taskstats is changed to still report the regular sched and sched_info
> and only skip the missing task_delay_info fields instead of not
> reporting anything.
> 
> Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>

Acked-by: Mel Gorman <mgorman@...e.de>

-- 
Mel Gorman
SUSE Labs