From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Mathias Koehrer <mathias.koehrer@etas.com>
Cc: "linux-rt-users@vger.kernel.org" <linux-rt-users@vger.kernel.org>
Subject: Re: Kernel thread's CPU affinity with isolcpus kernel boot argument
Date: Thu, 25 Feb 2016 15:18:06 +0100 [thread overview]
Message-ID: <20160225141806.GB16161@linutronix.de> (raw)
In-Reply-To: <5698D4D0.3020907@etas.com>
* Mathias Koehrer | 2016-01-15 12:15:28 [+0100]:
>However, I noticed that most kernel threads use the affinity mask 0xff.
>I can change this by using “taskset”. However, I am wondering if
>there is mechanism that forces the kernel to consider the value of
>“isolcpus” also for kernel threads.
not that I am aware of. There are a few per-CPU threads which have to
stay the way they are. I would have expected that others like kworker/u*
respect the isol CPUs and stay away.
>Best regards
>
>Mathias
Sebastian
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next prev parent reply other threads:[~2016-02-25 14:18 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-15 11:15 Kernel thread's CPU affinity with isolcpus kernel boot argument Mathias Koehrer
2016-02-25 14:18 ` Sebastian Andrzej Siewior [this message]
2016-02-25 14:43 ` Josh Cartwright
2016-02-26 10:53 ` Mathias Koehrer
2016-02-25 15:13 ` Daniel Bristot de Oliveira
2016-02-25 16:35 ` Sebastian Andrzej Siewior
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