[CFT] Sparse Cstate Support -- Its possible, that I don't know what I'm doing.

[Sean Bruno]

On Tue, 2012-06-19 at 22:00 -0700, Andriy Gapon wrote:
> > It seems that the rc.conf value of performance_cx_lowest="LOW" is
> what I
> > really want, not economy_cx_lowest. 
> 
> Yes.  Could you please try this without using your patch?
> 
> I get an impression that its effect was to actually request C2 when
> cx_lowest is
> set to C1.
> 
> -- 
> Andriy Gapon 

Confirmed.  If I set performance_cx_lowest="LOW" then the system sets
the "C2" state and really implements C3 correctly.  I see a 25 watt
power saving without the patch on the Dell r410.

sean