On Wed, Mar 21, 2007 at 11:23:59AM +0000, Richard Hughes wrote:
> > $ grep DEFAULT_GOV /boot/config-2.6.20-1.2997.fc7
> > # CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set
> > CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE=y
> >
> > So no power savings until something takes care of it afaics (or am I
> > wrong with that? anyway, that could probably easily be adjusted until
> > F8).
>
> I think ondemand might be the best choice here (if IOwait is indeed the
> case)
NO. I keep bringing this up time and time again.
Ondemand is not a universal answer. Not all CPU scaling implementations
have fast enough latency for it to be practical.