linux-kernel - Re: [PATCH v4 2/3] sched/debug: dump domains' level

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Message-ID: <xhsmhv83w6w5d.mognet@vschneid-thinkpadt14sgen2i.remote.csb>
Date: Thu, 02 May 2024 18:01:02 +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 2/3] sched/debug: dump domains' level

On 30/04/24 18:05, Vitalii Bursov wrote:
> Knowing domain's level exactly can be useful when setting
> relax_domain_level or cpuset.sched_relax_domain_level
>
> Usage:
> cat /debug/sched/domains/cpu0/domain1/level
> to dump cpu0 domain1's level.
>
> SDM macro is not used because sd->level is int and
> it would hide the type mismatch between int and u32.
>
> Signed-off-by: Vitalii Bursov <vitaly@...sov.com>
> Acked-by: Vincent Guittot <vincent.guittot@...aro.org>
> Tested-by: Dietmar Eggemann <dietmar.eggemann@....com>

Reviewed-by: Valentin Schneider <vschneid@...hat.com>