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SubjectRe: [discussion]sched: a rough proposal to enable power saving in scheduler
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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