Hi,
On Mon, Jun 19, 2006 at 10:06:51PM +0200, Thomas Gleixner wrote:
> On Tue, 2006-06-20 at 00:03 +1000, Con Kolivas wrote:
> > Dominik donated a lot of code to use the dynticks infrastructure to actually
> > implement the power savings. Just skipping ticks seemed to make very little
> > power difference unless we also used the knowledge from next timer interrupt
> > to know how long we are going to be idle and choose C state transitions
> > accordingly. Each patch is documented at length in the split out
> >
> > C-States-1_bm_activity_improvements.patch
> > C-States-2_bm_activity_handling_improvement.patch
> > C-States-3_accounting_of_sleep_times.patch
> > C-States-4_dyn-ticks_tweaks.patch
> >
> > http://ck.kolivas.org/patches/dyn-ticks/split-out/
>
> Thanks for pointing that out. We'll look into those tomorrow.
1 to 3 were already submitted to Len, as they're useful already right now.
(Len: do you want me to re-submit, as I can't find them in a git tree right
now?) The fourth one is the only dyn-tick-specific one, and probably needs
some more tweaking, testing and benchmarking.
Dominik
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