From: Andy Lutomirski <luto@MIT.EDU>
To: "Yung, Winson W" <winson.w.yung@intel.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: Is there a way to offload everything from cpu0 to other cpus?
Date: Fri, 05 Aug 2011 08:48:06 -0400 [thread overview]
Message-ID: <4E3BE686.7070501@mit.edu> (raw)
In-Reply-To: <CAC4B8726E86A142B27A9E9A2F2F124701922F2855@rrsmsx505.amr.corp.intel.com>
On 08/04/2011 10:53 PM, Yung, Winson W wrote:
> Hi, I would like to know whether it is possible to offload everything (kernel threads/user apps) to cpu1...x so that I can force cpu0 go into idle?
>
> I can affinity all the interrupt to a different cpu by playing with the /proc/irq/irqx/smp_affinity, how about everything else?
>
You probably want the isolcpus boot option.
--Andy
> /Winson.
next prev parent reply other threads:[~2011-08-05 12:48 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-05 2:53 Is there a way to offload everything from cpu0 to other cpus? Yung, Winson W
2011-08-05 12:48 ` Andy Lutomirski [this message]
2011-08-08 9:41 ` Américo Wang
2011-08-15 6:25 ` Gilad Ben-Yossef
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