Re: [RFCv7 PATCH 00/10] sched: scheduler-driven CPU frequency selection

From: Steve Muckle
Date: Mon Feb 22 2016 - 20:33:22 EST


On 02/22/2016 05:22 PM, Steve Muckle wrote:
> Scheduler-driven CPU frequency selection hopes to exploit both
> per-task and global information in the scheduler to improve frequency
> selection policy and achieve lower power consumption, improved
> responsiveness/performance, and less reliance on heuristics and
> tunables. For further discussion of this integration see [0].
>
> This patch series implements a cpufreq governor which collects CPU
> capacity requests from the fair, realtime, and deadline scheduling
> classes. The fair and realtime scheduling classes are modified to make
> these requests. The deadline class is not yet modified to make CPU
> capacity requests.

This RFC series does not attempt to address any of today's feedback
regarding simplifying the hooks in the scheduler - I'd like some more
time to ponder that. But I thought it important to get the latest
version of this out for discussion as soon as possible.

thanks,
Steve