Messages in this thread | | | From | Vincent Guittot <> | Date | Fri, 22 Jun 2018 16:49:56 +0200 | Subject | Re: [PATCH v6 04/11] cpufreq/schedutil: use rt utilization tracking |
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On Fri, 22 Jun 2018 at 16:46, Peter Zijlstra <peterz@infradead.org> 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@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.
ok.
the patchset is available here if it can help : https://git.linaro.org/people/vincent.guittot/kernel.git branch: sched-rt-utilization
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