F16: CPU peaks all 20 seconds

Stephen John Smoogen smooge at gmail.com
Thu Aug 25 15:52:24 UTC 2011

On Thu, Aug 25, 2011 at 09:43, Joachim Backes
<joachim.backes at rhrk.uni-kl.de> wrote:
> Hi,
> in an almost empty system (only running gnome-shell), I see CPU peaks all 20
> seconds (kernel-3.1.0-0.rc3.git0.0.fc16.x86_64). It seems that gnome-shell
> is busy all 20 secs (similar effect like yesterday with
> kernel-3.1.0-0.rc2.git7.2.fc16.x86_64 and Xorg).

What does top show at those times and what is the hardware etc.
Without that info, it could be anything from a cron job to you have
really bad drives and the 20 second sync takes a lot of CPU power to
do it correctly.

> Somebody has an explanation for that?
> See http://www-user.rhrk.uni-kl.de/~backes/UL/cpu.png.
> --
> Joachim Backes <joachim.backes at rhrk.uni-kl.de>
> http://www.rhrk.uni-kl.de/~backes
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Stephen J Smoogen.
"The core skill of innovators is error recovery, not failure avoidance."
Randy Nelson, President of Pixar University.
"Let us be kind, one to another, for most of us are fighting a hard
battle." -- Ian MacLaren

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