linux-kernel - Re: [PATCH] sched: Increase sched_tick

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Message-ID: <aML41e2csdTdSTNU@localhost.localdomain>
Date: Thu, 11 Sep 2025 18:29:09 +0200
From: Frederic Weisbecker <frederic@...nel.org>
To: Phil Auld <pauld@...hat.com>
Cc: bsegall@...gle.com, dietmar.eggemann@....com, juri.lelli@...hat.com,
	linux-kernel@...r.kernel.org, mgorman@...e.de, mingo@...hat.com,
	peterz@...radead.org, rostedt@...dmis.org, tanghui20@...wei.com,
	tglx@...utronix.de, vincent.guittot@...aro.org,
	wangtao554@...wei.com, zhangqiao22@...wei.com,
	Waiman Long <longman@...hat.com>
Subject: Re: [PATCH] sched: Increase sched_tick_remote timeout

Le Thu, Sep 11, 2025 at 12:13:00PM -0400, Phil Auld a écrit :
> Increase the sched_tick_remote WARN_ON timeout to remove false
> positives due to temporarily busy HK cpus. The suggestion
> was 30 seconds to catch really stuck remote tick processing
> but not trigger it too easily.
> 
> Signed-off-by: Phil Auld <pauld@...hat.com>
> Suggested-by: Frederic Weisbecker <frederic@...nel.org>
> Cc: Peter Zijlstra <peterz@...radead.org>
> Cc: Frederic Weisbecker <frederic@...nel.org>

Acked-by: Frederic Weisbecker <frederic@...nel.org>

-- 
Frederic Weisbecker
SUSE Labs