Re: [discussion]sched: a rough proposal to enable power saving inscheduler

[Alex Shi]

On 08/22/2012 05:10 PM, Ingo Molnar wrote:

> 
> * Matthew Garrett <mjg59@xxxxxxxxxxxxx> 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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