From: Markus Trippelsdorf <markus@trippelsdorf.de>
To: Peter Zijlstra <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org, Mike Galbraith <efault@gmx.de>,
Ingo Molnar <mingo@elte.hu>
Subject: Re: Very high CPU values in top on idle system (3.0-rc1)
Date: Tue, 31 May 2011 12:04:34 +0200 [thread overview]
Message-ID: <20110531100434.GA1759@x4.trippels.de> (raw)
In-Reply-To: <1306835745.2353.3.camel@twins>
On 2011.05.31 at 11:55 +0200, Peter Zijlstra wrote:
> On Tue, 2011-05-31 at 00:12 +0200, Peter Zijlstra wrote:
> >
> > I poked around with some skip_rq_update bits but couldn't make it go
> > away, will try more tomorrow.
>
> Gah, that was annoying, and explains why I wasn't seeing it on my main
> dev box but could see it on my desktop (wsm tsc is much better synced
> than the core2 tsc).
>
> Could you confirm that this indeed cures the problem?
Yes, indeed it does. Many thanks Peter.
--
Markus
next prev parent reply other threads:[~2011-05-31 10:04 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-30 17:39 Very high CPU values in top on idle system (3.0-rc1) Markus Trippelsdorf
2011-05-30 18:05 ` Peter Zijlstra
2011-05-30 18:23 ` Markus Trippelsdorf
2011-05-30 20:45 ` Markus Trippelsdorf
2011-05-30 22:12 ` Peter Zijlstra
2011-05-31 9:55 ` Peter Zijlstra
2011-05-31 10:04 ` Markus Trippelsdorf [this message]
2011-05-31 12:31 ` [tip:sched/urgent] sched: Fix cross-cpu clock sync on remote wakeups tip-bot for Peter Zijlstra
2011-05-31 12:56 ` Borislav Petkov
2011-05-31 13:11 ` Peter Zijlstra
2011-06-01 7:05 ` Borislav Petkov
2011-06-01 10:36 ` Peter Zijlstra
2011-06-01 15:50 ` Borislav Petkov
2011-06-02 7:52 ` Yong Zhang
2011-06-02 13:04 ` Peter Zijlstra
2011-06-02 14:23 ` Yong Zhang
2011-06-02 15:48 ` Peter Zijlstra
2011-06-03 6:49 ` Yong Zhang
2011-06-03 9:57 ` Milton Miller
2011-06-03 10:36 ` Peter Zijlstra
2011-06-03 10:55 ` Peter Zijlstra
2011-06-03 10:58 ` Peter Zijlstra
2011-06-07 13:12 ` Borislav Petkov
2011-06-07 13:16 ` Peter Zijlstra
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