linux-kernel - Re: rcu_preempt running flat out on idle desktop.

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Message-ID: <20130612153407.GA21842@redhat.com>
Date:	Wed, 12 Jun 2013 11:34:07 -0400
From:	Dave Jones <davej@...hat.com>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	paulmck@...ux.vnet.ibm.com,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...nel.org>
Subject: Re: rcu_preempt running flat out on idle desktop.

On Thu, Jun 06, 2013 at 05:43:13PM +0200, Frederic Weisbecker wrote:

 > > Every process 200% or 0%.
 > 
 > I see, would you mind testing this branch?
 > 
 > git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
 > 	timers/urgent
 > 
 > It might help, I specially think about 45eacc692771bd2b1ea3d384e6345cab3da10861
 > ("vtime: Use consistent clocks among nohz accounting") which fixes an issue
 > with cputime accounting that resulted in similar symptoms.

So that patch has been in 'urgent' for a month. Can someone move it
to really-urgent or whatever is necessary to get it into Linus' tree ?

	DAve
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