disable cpuspeed while X session active and screensaver not running

[Denis Leroy]

Florin Andrei wrote:
> Florin Andrei wrote:
>>
>> But come to think of it, I only want to disable cpuspeed
> 
> Well, it's not even required to disable cpuspeed. It's enough if 
> cpuspeed can be told somehow "a user is on the GUI now, and the system 
> is not running on batteries, don't throttle the CPU."
> 
> When the screensaver kicks in, or when the laptop switches to batteries, 
> or when there's no active X session, cpuspeed should be told to resume 
> normal throttling.

On that subject, does anyone knows how to tell the Frequency Monitor 
applet to keep the cpu in lower frequency all the time (i.e. 'killall 
-USR2 cpuspeed', which is what you want typically when running on 
batteries) ?