Re: [PATCH v6 04/11] cpufreq/schedutil: use rt utilization tracking

[Vincent Guittot]

On Fri, 22 Jun 2018 at 16:46, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
>
> On Fri, Jun 22, 2018 at 03:57:24PM +0200, Vincent Guittot wrote:
> > On Fri, 22 Jun 2018 at 15:54, Vincent Guittot
> > <vincent.guittot@xxxxxxxxxx> wrote:
> > > On Fri, 22 Jun 2018 at 15:26, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
>
> > > > And that is my objection to that straight sum thing; there the dl util
> > > > distorts the computed dl bandwidth thing even if there is no cfs
> > > > utilization.
> > >
> > > hmm,
> >
> > forgot to finish this sentence
> >
> > hmm, dl util_avg is only used to detect is there is idle time so if
> > cfs util is nul we will not distort the  dl bw (for a use case where
> > there is no rt task running)
>
> Hurm.. let me apply those patches and read the result, because I think I
> missed something.

ok.

the patchset is available here if it can help :
https://git.linaro.org/people/vincent.guittot/kernel.git   branch:
sched-rt-utilization

>