reducing power usage of Fedora - how you can help!

[dragoran]

On 8/14/07, Arjan van de Ven <arjan at infradead.org> wrote:
>
>
> On Tue, 2007-08-14 at 10:39 +0200, dragoran wrote:
> > On my laptop (core2duo based) S06cpuspeed causes 100 wakeups/sec .
> > Seems like its already noted here:
> > http://linuxpowertop.org/known.php#ondemand
> > "Intel fixed this and the patches to the kernel to effectively remove
> > this timer are included in Linus' tree as of 2.6.22-rc1." I am running
> > 2.6.22.1-41.fc7 which should already have this changes but it seems the
> > problem isn't solved yet.
>
> the problem is solved; the reporting is not. 2.6.23-rc also reports the
> timers as "deferred" so that powertop can skip them (and version 1.8
> will do just that).


ok

If you see many wakups from this then you have even more other ones..
> since ondemand wakeups only happen now if something else wakes the cpu
> up anyway.


I am on x86_64 (non tickless yet) so that explains it.
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