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Date:   Fri, 22 Jun 2018 16:46:03 +0200
From:   Peter Zijlstra <peterz@infradead.org>
To:     Vincent Guittot <vincent.guittot@linaro.org>
Cc:     Quentin Perret <quentin.perret@arm.com>,
        Ingo Molnar <mingo@kernel.org>,
        linux-kernel <linux-kernel@vger.kernel.org>,
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        Joel Fernandes <joel@joelfernandes.org>,
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        Ingo Molnar <mingo@redhat.com>
Subject: Re: [PATCH v6 04/11] cpufreq/schedutil: use rt utilization tracking
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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@linaro.org> wrote:
> > On Fri, 22 Jun 2018 at 15:26, Peter Zijlstra <peterz@infradead.org> 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.