Re: Strange problem with PREEMPT_RT

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To: Pierre FICHEUX <pierre.ficheux@xxxxxxxx>
Subject: Re: Strange problem with PREEMPT_RT
From: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
Date: Thu, 30 Sep 2021 15:51:45 +0200
Cc: Punit Agrawal <punitagrawal@xxxxxxxxx>, Clark Williams <williams@xxxxxxxxxx>, John Kacur <jkacur@xxxxxxxxxx>, linux-rt-users@xxxxxxxxxxxxxxx, Thomas Gleixner <tglx@xxxxxxxxxxxxx>
In-reply-to: <CAFc1U0uMuj1PPmxPQTTVqscYsnKfOE+sjtasK9KqadkgaUgLSg@mail.gmail.com>
References: <CAFc1U0sgMtKvcpTWkyjwXsq3Md_Huew7mSye_AratkM63D6K-Q@mail.gmail.com> <87y27e53a2.fsf@stealth> <20210930132319.eixnv6rb66ui6x6j@linutronix.de> <CAFc1U0uMuj1PPmxPQTTVqscYsnKfOE+sjtasK9KqadkgaUgLSg@mail.gmail.com>

On 2021-09-30 15:26:32 [+0200], Pierre FICHEUX wrote:
> I've just copied the set_latency_target() of cyclcitest.c to my code
> but I got the same behaviour.

What happens if you disable idle states > C1 with cpupower?

Sebastian

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