Throttle the CPU when the system is idle

[Wojciech Puchar]

>
> I have toyed a bit with the dev.cpu.0.freq sysctl setting, and tried to lower 
> it automatically when the system load goes down. For some reason it don't 
> seem to work, even though the script works for simple debug output.
>
> Anyone have tried to do something similar?

no but anyway - freebsd halts CPU when unused, even at full frequency it 
uses very little power wne unused.