Re: Bug#396117: ITP: cpufreq-detect -- detect CPU frequency control driver
On Tue, 31 Oct 2006, Anthony DeRobertis wrote:
> Peter Palfrader wrote:
> > How come it never outputs p4_clockmod? I use that happily on several
> > different machines.
> I can confirm I've tried it on a machine. The performance impact was
> substantial (at least if I allowed it to go to its lowest speed); the
> power consumption difference was immeasurable.
> Have you actually measured the power savings?
With 2.8GHz IPMI claims the machine is using 88+96 Watts (two
powersupplies), when I let ondemand take down the CPUs to 700MHz it's
usually 76+88 Watts. Not a huge difference but it adds up.
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