hpet timer patch for powertop

Josh Boyer jwboyer at jdub.homelinux.org
Sat Sep 22 13:36:51 UTC 2007

On Sat, 22 Sep 2007 15:04:07 +0200
"Ahmed Kamal" <email.ahmedkamal at googlemail.com> wrote:

> Hi,
> I just tried powertop (amazing tool), however I was shocked that around 70%
> of my laptop's wake ups are from
> "  67.5% (756.5)       <interrupt> : extra timer interrupt"
> Google told me, I am not running tickless (although, my kernel is
> and the chipset on my toshiba A105
> satellite laptop seem to be ICH6 Family. Do I need that patch that forces
> enabling hpet timers?! If so, is there any (un)official fedora kernel that
> includes the patch, as I don't like to manually track kernel upgrades. I
> hope that patch will be integrated in mainstream fedora kernels soon.
> Regards

I have no idea where the kernel you have came from, but if you're
running x86_64 and you want tickless you'll need to upgrade to Fedora
8.  I don't recall if F7 has tickless for i686 or not, but F8 does for


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