linux-kernel - Re: How can I migrate a currently running task?

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Date:	Fri, 27 Jun 2008 15:25:56 +0200
From:	"Bart Van Assche" <bart.vanassche@...il.com>
To:	"夏亮" <xiaiaxaxi@...u.edu.cn>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: How can I migrate a currently running task?

On Fri, Jun 27, 2008 at 3:17 PM, 夏亮 <xiaiaxaxi@...u.edu.cn> wrote:
> I am working on Intel Duo Core with Linux OS 2.6.21, and I'd like to
> migrate task from one cpu to another cpu.
> In SMP systems, load_balance() function uses move_tasks() to move processes
> from source runqueue to local runqueue, but it does not move a currently
> running task. If I want to migrate a currently running task from source
> runqueue to local runqueue, how can I do? Any suggestion is preferred.

Are you familiar with the glibc pthread_setaffinity_np() function
and/or the sched_setaffinity() system call ?

Bart.
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