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From: Frederic Weisbecker <fweisbec@gmail.com>
To: Dave Jones <davej@redhat.com>,
	paulmck@linux.vnet.ibm.com,
	Linux Kernel <linux-kernel@vger.kernel.org>,
	Ingo Molnar <mingo@kernel.org>
Subject: Re: rcu_preempt running flat out on idle desktop.
Date: Tue, 14 May 2013 03:21:07 +0200	[thread overview]
Message-ID: <20130514012105.GB12749@somewhere> (raw)
In-Reply-To: <20130509211026.GA22723@redhat.com>

On Thu, May 09, 2013 at 05:10:26PM -0400, Dave Jones wrote:
> On Thu, May 09, 2013 at 11:02:08PM +0200, Frederic Weisbecker wrote:
> 
>  > > RCU options for this build are..
>  > >
>  > I can't reproduce that issue even with the above setting. Could you
>  > please send me your whole config?
> 
> http://paste.fedoraproject.org/11363/36813375/raw/

Sorry it took me some time to get that config booting, I ran into
other unrelated crashes.

So I'm observing the exact opposite than you: the processes appear to
have no load nor to consume cputime. Even if I use some dumb user loop.
Top don't even show it.

I'm digging further and will tell you when I get more info.

Thanks.

  reply	other threads:[~2013-05-14  1:21 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-08 20:30 rcu_preempt running flat out on idle desktop Dave Jones
2013-05-08 20:52 ` Paul E. McKenney
2013-05-08 20:56   ` Dave Jones
2013-05-08 21:16     ` Paul E. McKenney
2013-05-08 21:17       ` Dave Jones
2013-05-08 22:20         ` Paul E. McKenney
2013-05-09  9:04     ` Frederic Weisbecker
2013-05-09  9:20       ` Ingo Molnar
2013-05-09 21:02 ` Frederic Weisbecker
2013-05-09 21:10   ` Dave Jones
2013-05-14  1:21     ` Frederic Weisbecker [this message]
2013-06-06 15:31       ` Dave Jones
2013-06-06 15:43         ` Frederic Weisbecker
2013-06-06 23:10           ` Dave Jones
2013-06-12 15:34           ` Dave Jones
2013-06-20 19:10             ` Dave Jones
2013-06-23 10:58               ` Ingo Molnar
2013-07-01 12:10                 ` Frederic Weisbecker

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