Messages in this thread | | | Date | Thu, 23 Aug 2012 16:19:06 +0800 | From | Alex Shi <> | Subject | Re: [discussion]sched: a rough proposal to enable power saving in scheduler |
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On 08/22/2012 05:10 PM, Ingo Molnar wrote:
> > * Matthew Garrett <mjg59@srcf.ucam.org> wrote: > >> [...] >> >> Our power consumption is worse than under other operating >> systems is almost entirely because only one of our three GPU >> drivers implements any kind of useful power management. [...] > > ... and because our CPU frequency and C state selection logic is > doing pretty much the worst possible decisions (on x86 at > least). > > Regardless, you cannot possibly seriously suggest that because > there's even greater suckage elsewhere for some workloads we > should not even bother with improving the situation here. > > Anyway, I agree with Alan that actual numbers matter.
Sure. we'd better make ideas into code, and then let benchmarks and data speaking.
> > Thanks, > > Ingo
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