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Date:   Tue, 15 Sep 2020 11:31:21 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Matthieu Baerts <matthieu.baerts@...sares.net>
Cc:     Michael Larabel <Michael@...haellarabel.com>,
        Matthew Wilcox <willy@...radead.org>,
        Amir Goldstein <amir73il@...il.com>,
        "Ted Ts'o" <tytso@...gle.com>,
        Andreas Dilger <adilger.kernel@...ger.ca>,
        Ext4 Developers List <linux-ext4@...r.kernel.org>,
        Jan Kara <jack@...e.cz>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>
Subject: Re: Kernel Benchmarking

On Tue, Sep 15, 2020 at 8:34 AM Matthieu Baerts
<matthieu.baerts@...sares.net> wrote:
>
> One more thing, only when I have the issue, I can also see this kernel
> message that seems clearly linked:
>
>    [    7.198259] sched: RT throttling activated

Hmm. It does seem like this might be related and a clue, but you'd
have to ask the RT folks what the likely cause is and how to debug
things.. Not my area.

                 Linus

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