linux-kernel - Re: Is there a way to offload everything from cpu0 to other cpus?

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Message-ID: <4E3BE686.7070501@mit.edu>
Date:	Fri, 05 Aug 2011 08:48:06 -0400
From:	Andy Lutomirski <luto@....EDU>
To:	"Yung, Winson W" <winson.w.yung@...el.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Is there a way to offload everything from cpu0 to other cpus?

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.

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