Re: rcu_preempt running flat out on idle desktop.

From: Dave Jones
Date: Thu Jun 06 2013 - 19:11:00 EST


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.
>
> Thanks.

5 hours of uptime so far, without anything looking weird.
I'll keep an eye on it, but this is looking a lot better so far.

Dave

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