too many deamons by default - F7 test 2 live cd
Jarod Wilson
jwilson at redhat.com
Tue Mar 20 02:19:54 UTC 2007
Dave Jones wrote:
> On Mon, Mar 19, 2007 at 12:31:55PM +0000, Richard Hughes wrote:
> > On Mon, 2007-03-19 at 12:29 +0100, Benny Amorsen wrote:
> > > JB> cpuspeed is very useful, especially in the case of a laptop which
> > > JB> several people use as their desktop. Your narrow definition of a
> > > JB> desktop is perhaps too limiting.
> > >
> > > cpuspeed really isn't optional on modern desktop machines either.
> > > Rahul Sundaram may have lots of machines with fixed clockspeeds, but
> > > that is no reason to not support newer stuff.
> >
> > GNOME Power Manager can control CPU speed with policy set in the
> > session, usually saving power more aggressively than cpuspeed. It also
> > has the benefit of using a HAL addon rather than a system service, which
> > is only loaded if the machine is frequency scale supported.
>
> It does that by checking for existance of files in sysfs doesn't it?
> If so, nuking the cpuspeed service will break that, as the modules won't
> get loaded, and the sysfs files won't exist.
I think it depends on the frequency scaling driver. If I recall
correctly, you get nothing in the acpi-cpufreq case, but in the
powernow-k8 case, you still have most of the sysfs bits present
(including access to the performance and userspace governors).
--
Jarod Wilson
jwilson at redhat.com
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