From: Juri Lelli <juri.lelli@redhat.com>
To: tglx@linutronix.de, bigeasy@linutronix.de
Cc: linux-rt-users@vger.kernel.org, peterz@infradead.org,
linux-kernel@vger.kernel.org, bristot@redhat.com,
williams@redhat.com
Subject: Re: [RFC PATCH RT] x86/tsc: Add option to disable tsc clocksource watchdog
Date: Thu, 14 Mar 2019 08:09:51 +0100 [thread overview]
Message-ID: <20190314070951.GC31405@localhost.localdomain> (raw)
In-Reply-To: <20190307120913.13168-1-juri.lelli@redhat.com>
Hi,
On 07/03/19 13:09, Juri Lelli wrote:
> Clocksource watchdog has been found responsible for generating latency
> spikes (in the 10-20 us range) when woken up to check for TSC stability.
>
> Add an option to disable it at boot.
Gentle ping.
Does this make any sense?
Thanks,
- Juri
next prev parent reply other threads:[~2019-03-14 7:10 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-07 12:09 [RFC PATCH RT] x86/tsc: Add option to disable tsc clocksource watchdog Juri Lelli
2019-03-14 7:09 ` Juri Lelli [this message]
2019-03-20 11:51 ` Sebastian Andrzej Siewior
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