linux-kernel - Re: [BUG] How to get real-time priority using idle priority

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Message-ID: <20090112152419.GA20003@elte.hu>
Date:	Mon, 12 Jan 2009 16:24:19 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Mike Galbraith <efault@....de>
Cc:	Brian Rogers <brian@...w.org>, linux-kernel@...r.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [BUG] How to get real-time priority using idle priority


* Mike Galbraith <efault@....de> wrote:

> On Mon, 2009-01-12 at 14:14 +0100, Ingo Molnar wrote:
> > * Mike Galbraith <efault@....de> wrote:
> > 
> > > > I haven't been able to reproduce complete hangs, but with your proggy 
> > > > adapted to my quad, _and_ the addition of a SCHED_NORMAL hog, I can 
> > > > reproduce some very bad interactivity, including massive character 
> > > > repeats while attempting to type, and general "lurchiness" (_bad_ 
> > > > wakeup latency).  I'll poke it with a sharp stick or two.
> > > 
> > > Would you mind trying the below?
> > 
> > i've applied your fix to tip/sched/urgent and merged it into tip/master.
> 
> BTW, I forgot the Reported-by: Brian Rogers <brian@...w.org> :-/

yeah, i noticed that and added it when i committed the change.

	Ingo
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