Re: [PATCH] sched/fair: util_est: fast ramp-up EWMA on utilization increases

[Vincent Guittot]

On Mon, 14 Oct 2019 at 16:52, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
>
>
> The energy aware schedutil patches remimded me this was still pending.
>
> On Fri, Aug 02, 2019 at 10:47:25AM +0100, Patrick Bellasi wrote:
> > Hi Peter, Vincent,
> > is there anything different I can do on this?
>
> I think both Vincent and me are basically fine with the patch, it was
> the Changelog/explanation for it that sat uneasy.

I agree

>
> Specifically I think the 'confusion' around the PELT invariance stuff
> doesn't help.
>
> I think that if you present it simply as making util_est directly follow
> upward motion and only decay on downward -- and the rationale for it --
> then it should be fine.
>
>