On Fri, 22 Jun 2018 at 16:46, Peter Zijlstra <[email protected]> wrote: > > On Fri, Jun 22, 2018 at 03:57:24PM +0200, Vincent Guittot wrote: > > On Fri, 22 Jun 2018 at 15:54, Vincent Guittot > > <[email protected]> wrote: > > > On Fri, 22 Jun 2018 at 15:26, Peter Zijlstra <[email protected]> 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 >
