linux-kernel - Re: Poor desktop responsiveness with background I/O-operations

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Date:	Tue, 22 Sep 2009 11:20:28 +0200
From:	Mike Galbraith <efault@....de>
To:	James Cloos <cloos@...loos.com>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	Ulrich Lukas <stellplatz-nr.13a@...enparkplatz.de>
Subject: Re: Poor desktop responsiveness with background I/O-operations

On Tue, 2009-09-22 at 09:06 +0200, Mike Galbraith wrote:

> I don't know if distros provide a tool that supports SCHED_IDLE, if so,
> you can use that to set both CPU and IO usage to IDLE class in one go.

P.S.  I just remembered, don't use SCHED_IDLE with kernels < 2.6.28.
There are two patches wrt this scheduling class which did not go to the
stable trees less than 2.6.28.

	-Mike

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