Frequency scaling survey

[Nils Kassube]

Dave Woyciesjes wrote:
> Nils Kassube wrote:
> > I suppose your worstation doesn't have frequency scaling.
>
> 	Possible explanation, but I thought the processor I have does have the
> scaling. Maybe I need to add something from Synaptic?

I think frequency scaling is controlled by the hardware and Linux knows 
the available frequency values from ACPI. That would mean it is a matter 
of your BIOS to deliver the information. But it may not be important to 
have this feature at all if you want to use it for power saving. From 
<http://www.codon.org.uk/~mjg59/power/good_practices.html>:

| The best power savings can be obtained by running the CPU as fast as
| possible until any outstanding work is completed and then allowing the
| CPU to go completely idle.  


Nils