trying to scale the cpu freq

VETSEL Patrice vetsel.patrice at wanadoo.fr
Mon Sep 20 19:09:38 BST 2004


You must add to /etc/modules :
cpufreq_userspace
powernow-k8 -> this is for my AMD64 (choose the good one)

And after the reboot use the freq applet to see powernowd working.

This is great !!!

Le dimanche 19 septembre 2004 à 18:51 +0200, massimo a écrit :
> hi all,
> 
> i'm trying that: scale the cpu-freq of my tibook 667mhz.
> 
> i'm using the 2.6.8 standard kernel of ubuntu that come with this
> modules.
> 
> i have cpufreq_userspace  and cpufreq_powersave loaded and i know that
> i need to 
> 
> # echo "powersave"
> > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
> 
> in order to scale the freq.
> 
> but the problem is:
> 
> /sys/devices/system/cpu/cpu0/  is empty!
> 
> why?
> 
> my cpu cannot support the freq reduction?
> 
> ciao
> MaX





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