If you want to use the kernel policies, look at the files in /sys/devices/system/cpu/cpu0/cpufreq.
You can see which governors are available:
$ cat scaling_available_governors ondemand userspace performance
Also which governor is currently active:
$ cat scaling_governor performance
And of course you can change the active govenor:
$ echo -n ondemand > scaling_governor $ cat scaling_governor ondemand
Alternatively, you can use a userspace program like cpufreqd or powernowd to control the frequency. This allows much finer control, based on user-definable rules, battery status, a/c status, time, ...
Regards, Dennis
Thanks for the excellent response I will certainly give this a go.
Wackojacko
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