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SubjectRe: PowerNow!, cpufreq, and swsusp
Date
Simple question: How do I mount sysfs? Also, any idea on the
swsusp issue? Thanks!

~Christopher

On Wed, 12 Mar 2003 17:40:01 -0100
Dave Jones <davej@codemonkey.org.uk> wrote:

> On Wed, Mar 12, 2003 at 12:06:33PM -0500, Christopher
Meredith wrote:
>
> > Also, cpufreq doesn't seem to do anything. Should it be
> > working automatically?
>
> no.
>
> > Even when the machine sits unattended
> > for over 8 hours, the fan never turns off and the cpu
> > temperature is consustently 69-70 degrees C.
>
> The kernel doesn't define policy, but exposes the
necessary
> interface to userspace. There are a few folks working on
> tools / scripts to adjust the speed dynamically.
> look through the cpufreq mailing list archives to find
them
> (or google)
>
> > What must I do here?
>
> Read Documentation/cpu-freq/user-guide.txt
>
> short: mount sysfs, and ..
>
> (root@evo:cpufreq)# cd /sys/class/cpu/cpufreq/cpu0/cpufreq
> (root@evo:cpufreq)# cat /proc/cpuinfo | grep MHz
> cpu MHz : 1390.536
> (root@evo:cpufreq)# echo powersave >scaling_governor
> (root@evo:cpufreq)# cat /proc/cpuinfo | grep MHz
> cpu MHz : 529.728
> (root@evo:cpufreq)# echo performance >scaling_governor
>
> Dave
>
> -
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