Re: [RFCv7 PATCH 03/10] sched: scheduler-driven cpu frequency selection

From: Juri Lelli
Date: Thu Mar 03 2016 - 04:33:57 EST


On 02/03/16 19:50, Steve Muckle wrote:
> On 03/02/2016 06:49 PM, Rafael J. Wysocki wrote:
> > I'm not actually sure if RT is the right answer here. DL may be a
> > better choice. After all, we want the thing to happen shortly, but
> > not necessarily at full speed.
> >
> > So something like a DL workqueue would be quite useful here it seems.
>
> The DL idea seems like a good one to me.
>
> It would also prevent cpufreq changes from being delayed by other RT or
> DL tasks.
>

Dimensioning period and runtime could require some experimenting, but
it's worth a try, I agree.

Best,

- Juri