linux-kernel - Re: stress-ng --hrtimers hangs system

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Message-ID: <CA+h21hrR8OER0E7tve04w4WJur03YmMMQ=Tk_kDfAkpysBPjFw@mail.gmail.com>
Date:   Fri, 5 Jun 2020 13:12:28 +0300
From:   Vladimir Oltean <olteanv@...il.com>
To:     paulmck@...nel.org
Cc:     linux-rt-users@...r.kernel.org,
        lkml <linux-kernel@...r.kernel.org>, rcu@...r.kernel.org,
        Colin King <colin.king@...onical.com>
Subject: Re: stress-ng --hrtimers hangs system

Hi Paul,

On Fri, 5 Jun 2020 at 06:20, Paul E. McKenney <paulmck@...nel.org> wrote:
>

>
> That agrees with my interpretation of the stall warning message.
>
> On the rest, I must defer to others.
>
>                                                         Thanx, Paul
>

Thanks, always good to have a confirmation from you!
FWIW, the system has survived an overnight run with
sched_rt_runtime_us set to 80%, I don't know if there's more to it.

Regards,
-Vladimir