trying to scale the cpu freq

Mark Shuttleworth mark at hbd.com
Thu Sep 23 10:34:26 UTC 2004


Matthew

Do you think it would be possible to guess which modules are 
appropriate, and have those configured for loading during the 
installation process?

VETSEL Patrice wrote:

>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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