I am a beginner in Linux. I want implement patch for changing a CPU frequency governor.But I don't know what is patch and Governor in Linux and I don't know where I can start from? Please help me with an example.
closed as not a real question by Gilles, jasonwryan, Renan, warl0ck, Mat Dec 28 '12 at 6:37
It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, see the FAQ.
If you want to change the CPU frequency governor (which of course affects the overall battery time), you need to write to files located in
is sufficient. Be aware, that on a multicore machine it can change stuff for more than one and/or not all CPUs (get a list from the
The easiest (and safest) way, is to use cpufreq-utils.