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11/03/2010

Applet Adjusting CPU speed

Adjusting CPU frequency applet on GNOME (Ubuntu)

Right Click on the panel bar above the screen and select "Add to Panel..."

Select "CPU Freuqncy Scaling Monitor" then click Add

Now, the applet will show on the panel, like this.

It can be clicked to change the frequency of CPUs, or changing to other frequency profiles
BUT!!!  it doesn't change the speed (for now)

The problem is,.. changing CPU speed requires Administrator's permission.

Therefore, we need to tweak it a bit to give it admin's permission.

for older Ubuntu users, you need to run

sudo dpkg-reconfigure gnome-applets

and follow the instructions from http://maketecheasier.com/how-to-control-your-cpu-frequency-in-ubuntu/2009/04/10   it should work

I got the problem, cuz i'm using  Ubuntu 10.10
and when I run that, nothing shows.

I got a tip from http://ubuntuforums.org/showthread.php?t=1299820
saying that,  new ubuntu using permission file to control the applets' permission. (using
So, we better go set it in file.

gksudo gedit /usr/share/polkit-1/actions/org.gnome.cpufreqselector.policy


edit the mouse-pointed line (allow_active) to be "yes", like this:

Then, save and roll..

      

More info on the profiles:

  • Conservative :: Go up step by step when CPU load increases
  • On Demand :: Go with lowest step first, after the load increases to a threshold then max out.
  • Performance :: Run full speed all the time
  • Powersave :: Run at lowest speed all the time

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