linux-kernel - Re: High CPU load when machine is idle (related to PROBLEM: Unusually high load average when idle in 2.6.35, 2.6.35.1 and later)

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Message-ID: <20101021082233.GD8775@elte.hu>
Date:	Thu, 21 Oct 2010 10:22:33 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	tmhikaru@...il.com
Cc:	Peter Zijlstra <peterz@...radead.org>,
	Damien Wyart <damien.wyart@...e.fr>,
	Chase Douglas <chase.douglas@...onical.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org,
	Venkatesh Pallipadi <venki@...gle.com>
Subject: Re: High CPU load when machine is idle (related to PROBLEM:
 Unusually high load average when idle in 2.6.35, 2.6.35.1 and later)


* tmhikaru@...il.com <tmhikaru@...il.com> wrote:

> On Wed, Oct 20, 2010 at 09:48:43PM -0400, tm@ wrote:
> > On Wed, Oct 20, 2010 at 07:26:45PM +0200, Peter Zijlstra wrote:
> > > 
> > > 
> > > OK, how does this work for people? I find my idle load is still a tad
> > > high, but maybe I'm not patient enough.
> > 
> > I haven't had a chance to keep up with the topic, and I apologize. I'll be
> > testing this as soon as I can finish compiling it. Thank you all for not
> > letting this go unfixed.
> > 
> > Tim McGrath
> 
> Uhh, problem. This patch does not apply to git checkout
> 74f5187ac873042f502227701ed1727e7c5fbfa9
> 
> which is the version of the kernel that first exhibits this flaw.
> 
> which version of the kernel does this patch apply cleanly to?

Try -tip (which includes the scheduler development tree as well):

   http://people.redhat.com/mingo/tip.git/README

Thanks,

	Ingo
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