[ltp] cpu frequency scaling governor "ondemand" on ThinkPad T23

Brad Langhorst linux-thinkpad@linux-thinkpad.org
Sat, 16 Jul 2005 07:33:04 -0400


On Sat, 2005-07-16 at 12:16 +0200, Martin Steigerwald wrote:
> Hello,
> 
> has anyone gotten it to work? I can not enable it:
> 
> root@deepdance:/sys/devices/system/cpu/cpu0/cpufreq -> 
>   echo "ondemand" > scaling_governor ; cat scaling_governor
> userspace
> 
> I am using kernel 2.6.12-2.
> 
> -> lsmod | grep ondemand
> cpufreq_ondemand        5116  0
> 
> root@deepdance:/sys/devices/system/cpu/cpu0/cpufreq -> 
>   cat scaling_available_governors
> ondemand userspace performance
> 
> Governor "userspace" works nicely with powernowd.
> 
> And I also can set the governor to "performance". Does "ondemand" need 
> more than two available scaling frequencies?
> 
> root@deepdance:/sys/devices/system/cpu/cpu0/cpufreq -> 
>   cat scaling_available_frequencies
> 1130500 731500
> 
> Regards,
> -- 
> Martin 'Helios' Steigerwald - http://www.Lichtvoll.de