Re: [PATCH 3/4] sched: introduce synchronized idle injection

Ingo Molnar
2016-01-19T12:06:16Z

* Jacob Pan <jacob.jun.pan@linux.intel.com> wrote:

> Note: PPW_RAPL= performance per watt measured by RAPL package power
> meter.
>
> If we just look at 20% forced idle, I can see significantly more deep
> package C-states(PC7) residency.
> Pkg%pc2 Pkg%pc6 Pkg%pc7
> w/o patch 3.17 4.39 13.21
> w/ patch 1.15 1.43 17.24

Can this be translated to: "this patch improved power efficiency (watts per
second) by XYZ percent?", with XYZ filled in accordingly?

Thanks,

Ingo