linux-kernel - Re: [RFC][PATCH 08/10] sched/fair: Implement delayed dequeue

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Message-ID: <20240515093649.GF40213@noisy.programming.kicks-ass.net>
Date: Wed, 15 May 2024 11:36:49 +0200
From: Peter Zijlstra <peterz@...radead.org>
To: Luis Machado <luis.machado@....com>
Cc: mingo@...hat.com, juri.lelli@...hat.com, vincent.guittot@...aro.org,
	dietmar.eggemann@....com, rostedt@...dmis.org, bsegall@...gle.com,
	mgorman@...e.de, bristot@...hat.com, vschneid@...hat.com,
	linux-kernel@...r.kernel.org, kprateek.nayak@....com,
	wuyun.abel@...edance.com, tglx@...utronix.de, efault@....de,
	nd <nd@....com>, John Stultz <jstultz@...gle.com>,
	Hongyan.Xia2@....com
Subject: Re: [RFC][PATCH 08/10] sched/fair: Implement delayed dequeue

On Fri, May 10, 2024 at 03:49:46PM +0100, Luis Machado wrote:
> Just a quick update on this. While investigating this behavior, I
> spotted very high loadavg values on an idle system. For instance:
> 
> load average: 4733.84, 4721.24, 4680.33
> 
> I wonder if someone else also spotted this.

Hadn't spotted it, but now that you mention it, I can definitely see it.

Let me go prod with something sharp. Thanks!