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

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Message-ID: <20130620191011.GA13874@redhat.com>
Date:	Thu, 20 Jun 2013 15:10:11 -0400
From:	Dave Jones <davej@...hat.com>
To:	Frederic Weisbecker <fweisbec@...il.com>,
	paulmck@...ux.vnet.ibm.com,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...nel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: rcu_preempt running flat out on idle desktop.

On Wed, Jun 12, 2013 at 11:34:07AM -0400, Dave Jones wrote:
 > 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 ?

Another week passes...

This is kind of ridiculous.

	Dave 
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