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Date:   Mon, 25 Apr 2022 15:51:09 +0100
From:   Aaron Tomlin <atomlin@redhat.com>
To:     Christoph Lameter <cl@gentwo.de>
Cc:     Peter Zijlstra <peterz@infradead.org>, frederic@kernel.org,
        mtosatti@redhat.com, tglx@linutronix.de, mingo@kernel.org,
        pauld@redhat.com, neelx@redhat.com, oleksandr@natalenko.name,
        linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [RFC PATCH v3] tick/sched: Ensure quiet_vmstat() is called when
 the idle tick was stopped too
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On Mon 2022-04-25 16:06 +0200, Christoph Lameter wrote:
> It may depend though on how long the idle periods are. Do we have
> statistics on the duration? Always folding the vmstat deltas may also
> increase the length of the idle periods.

Unfortunately I do not. I noticed that this situation can occur via source
code and vmcore analysis.


Kind regards,

-- 
Aaron Tomlin