On Tue, 11 Mar 2008 16:20:26 +0100
Pierre Ossman <drzeus-list@xxxxxxxxx> wrote:
> On Tue, 11 Mar 2008 11:48:22 +0100
> Andi Kleen <andi@xxxxxxxxxxxxxx> wrote:
>
> > > I have now found a very hacky workaround that is slightly better than
> > > disabling C3 altogether; making C3 exclusive to one core at a time. It
> > > seems to kill the noise and the system now spends 50% in C3, instead of
> > > 0%.
> >
> > I suspect it won't do much of C3 if only one core is idle this way.
> > Most likely you just disabled C3 this way in a way invisible to software.
> >
>
> What a letdown... I'll pull out the old watt meter again and see if I can confirm that.
>
It seems that you are correct Andi. Power usage is in line with C3 completely disabled. Bummer :/
--
-- Pierre Ossman
Linux kernel, MMC maintainer http://www.kernel.org
PulseAudio, core developer http://pulseaudio.org
rdesktop, core developer http://www.rdesktop.org
_______________________________________________
linux-pm mailing list
linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx
https://lists.linux-foundation.org/mailman/listinfo/linux-pm
