Subject: Re: [BUG] How to get real-time priority using idle priority
From: Mike Galbraith <efault@gmx.de>
To: Ingo Molnar <mingo@elte.hu>
Cc: Brian Rogers <brian@xyzw.org>, linux-kernel@vger.kernel.org,
       Peter Zijlstra <a.p.zijlstra@chello.nl>
In-Reply-To: <20090112131406.GB670@elte.hu>
References: <4969D0D7.2060401@xyzw.org>
	 <1231736941.6003.7.camel@marge.simson.net>
	 <1231765433.5789.35.camel@marge.simson.net>  <20090112131406.GB670@elte.hu>
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Date: Mon, 12 Jan 2009 16:23:06 +0100
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On Mon, 2009-01-12 at 14:14 +0100, Ingo Molnar wrote:
> * Mike Galbraith <efault@gmx.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@xyzw.org> :-/

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