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Date: Thu, 02 May 2024 18:01:10 +0200
From: Valentin Schneider <vschneid@...hat.com>
To: Vitalii Bursov <vitaly@...sov.com>, Ingo Molnar <mingo@...hat.com>,
Peter Zijlstra <peterz@...radead.org>, Juri Lelli <juri.lelli@...hat.com>,
Vincent Guittot <vincent.guittot@...aro.org>, Dietmar Eggemann
<dietmar.eggemann@....com>, Steven Rostedt <rostedt@...dmis.org>, Ben
Segall <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>, Daniel Bristot
de Oliveira <bristot@...hat.com>, linux-kernel@...r.kernel.org, Vitalii
Bursov <vitaly@...sov.com>, Shrikanth Hegde <sshegde@...ux.ibm.com>
Subject: Re: [PATCH v4 1/3] sched/fair: allow disabling
sched_balance_newidle with sched_relax_domain_level
On 30/04/24 18:05, Vitalii Bursov wrote:
> Change relax_domain_level checks so that it would be possible
> to include or exclude all domains from newidle balancing.
>
> This matches the behavior described in the documentation:
> -1 no request. use system default or follow request of others.
> 0 no search.
> 1 search siblings (hyperthreads in a core).
>
> "2" enables levels 0 and 1, level_max excludes the last (level_max)
> level, and level_max+1 includes all levels.
>
> Fixes: 1d3504fcf560 ("sched, cpuset: customize sched domains, core")
> Signed-off-by: Vitalii Bursov <vitaly@...sov.com>
> Reviewed-by: Vincent Guittot <vincent.guittot@...aro.org>
> Tested-by: Dietmar Eggemann <dietmar.eggemann@....com>
Reviewed-by: Valentin Schneider <vschneid@...hat.com>
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