From: Juri Lelli <juri.lelli@redhat.com>
To: Patrick Bellasi <patrick.bellasi@arm.com>
Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
Viresh Kumar <viresh.kumar@linaro.org>,
Vincent Guittot <vincent.guittot@linaro.org>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Morten Rasmussen <morten.rasmussen@arm.com>,
Todd Kjos <tkjos@android.com>, Joel Fernandes <joelaf@google.com>
Subject: Re: [PATCH v3 6/6] cpufreq: schedutil: ignore sugov kthreads
Date: Thu, 30 Nov 2017 17:12:20 +0100 [thread overview]
Message-ID: <20171130161220.GK9903@localhost.localdomain> (raw)
In-Reply-To: <20171130160234.GG31247@e110439-lin>
On 30/11/17 16:02, Patrick Bellasi wrote:
> On 30-Nov 14:41, Juri Lelli wrote:
[...]
> > If the DL changes (which I shall post again as soon as tip/sched/core is
> > bumped up to 4.15-rc1) get in first, this is going to be useless (as the
> > DL kthread gets ignored by the scheduling class itself). But, this looks
> > good to me "in the meantime".
>
> Just to better understand, you mean that the DL kthread does not send
> out schedutil updates?
It doesn't have a "proper" bandwidth (utilization) :/. So it gets
"unnoticed" and schedutil updates are not triggered.
>
> If that's the case I agree we can discard this patch... that's also
> one of the reasons why I move it at the end of this series.
Not sure about this though, not my call :). I guess this still helps
until we get the DL changes in.
Best,
Juri
next prev parent reply other threads:[~2017-11-30 16:12 UTC|newest]
Thread overview: 80+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-30 11:47 [PATCH v3 0/6] cpufreq: schedutil: fixes for flags updates Patrick Bellasi
2017-11-30 11:47 ` [PATCH v3 1/6] cpufreq: schedutil: reset sg_cpus's flags at IDLE enter Patrick Bellasi
2017-11-30 13:12 ` Juri Lelli
2017-11-30 15:41 ` Patrick Bellasi
2017-11-30 16:02 ` Juri Lelli
2017-11-30 16:19 ` Patrick Bellasi
2017-11-30 16:45 ` Juri Lelli
2017-12-07 5:01 ` Viresh Kumar
2017-12-07 12:45 ` Patrick Bellasi
2017-12-07 15:55 ` Dietmar Eggemann
2017-12-12 11:37 ` Viresh Kumar
2017-12-12 13:38 ` Juri Lelli
2017-12-12 14:40 ` Viresh Kumar
2017-12-12 14:56 ` Juri Lelli
2017-12-12 15:18 ` Patrick Bellasi
2017-12-12 15:16 ` Patrick Bellasi
2017-12-13 9:06 ` Viresh Kumar
2017-12-20 14:33 ` Peter Zijlstra
2017-12-20 14:51 ` Patrick Bellasi
2017-11-30 11:47 ` [PATCH v3 2/6] cpufreq: schedutil: ensure max frequency while running RT/DL tasks Patrick Bellasi
2017-11-30 13:17 ` Juri Lelli
2017-11-30 15:45 ` Patrick Bellasi
2017-11-30 16:03 ` Juri Lelli
2017-12-07 5:05 ` Viresh Kumar
2017-12-07 14:18 ` Patrick Bellasi
2017-11-30 11:47 ` [PATCH v3 3/6] cpufreq: schedutil: update CFS util only if used Patrick Bellasi
2017-11-30 13:22 ` Juri Lelli
2017-11-30 15:57 ` Patrick Bellasi
2017-12-07 5:15 ` Viresh Kumar
2017-12-07 14:19 ` Patrick Bellasi
2017-12-14 4:45 ` Viresh Kumar
2017-11-30 11:47 ` [PATCH v3 4/6] sched/rt: fast switch to maximum frequency when RT tasks are scheduled Patrick Bellasi
2017-11-30 13:28 ` Juri Lelli
2017-12-06 9:39 ` Vincent Guittot
2017-12-06 11:38 ` Patrick Bellasi
2017-12-06 12:36 ` Vincent Guittot
2017-11-30 11:47 ` [PATCH v3 5/6] cpufreq: schedutil: relax rate-limiting while running RT/DL tasks Patrick Bellasi
2017-11-30 13:36 ` Juri Lelli
2017-11-30 15:54 ` Patrick Bellasi
2017-11-30 16:06 ` Juri Lelli
2017-11-30 11:47 ` [PATCH v3 6/6] cpufreq: schedutil: ignore sugov kthreads Patrick Bellasi
2017-11-30 13:41 ` Juri Lelli
2017-11-30 16:02 ` Patrick Bellasi
2017-11-30 16:12 ` Juri Lelli [this message]
2017-11-30 16:42 ` Patrick Bellasi
2017-12-07 9:24 ` Viresh Kumar
2017-12-07 15:47 ` Patrick Bellasi
2017-12-20 15:30 ` [PATCH v3 0/6] cpufreq: schedutil: fixes for flags updates Peter Zijlstra
2017-12-20 15:43 ` Peter Zijlstra
2017-12-21 9:15 ` Viresh Kumar
2017-12-21 10:25 ` Peter Zijlstra
2017-12-21 10:30 ` Viresh Kumar
2017-12-21 10:39 ` Peter Zijlstra
2017-12-21 10:43 ` Viresh Kumar
2017-12-22 8:30 ` Peter Zijlstra
2017-12-20 15:56 ` Peter Zijlstra
2017-12-31 9:43 ` Claudio Scordino
2018-01-02 13:31 ` Claudio Scordino
2017-12-20 17:38 ` Juri Lelli
2017-12-20 18:16 ` Peter Zijlstra
2017-12-22 10:06 ` Peter Zijlstra
2017-12-22 11:02 ` Patrick Bellasi
2017-12-22 11:46 ` Peter Zijlstra
2017-12-22 12:07 ` Juri Lelli
2017-12-22 12:14 ` Patrick Bellasi
2017-12-22 12:22 ` Peter Zijlstra
2017-12-22 12:07 ` Patrick Bellasi
2017-12-22 12:19 ` Peter Zijlstra
2017-12-22 12:27 ` Juri Lelli
2017-12-22 12:38 ` Patrick Bellasi
2017-12-22 12:43 ` Juri Lelli
2017-12-22 12:50 ` Patrick Bellasi
2017-12-22 13:01 ` Juri Lelli
2017-12-22 12:10 ` Peter Zijlstra
2017-12-22 12:25 ` Patrick Bellasi
2017-12-21 7:34 ` Viresh Kumar
2018-02-06 10:55 ` Claudio Scordino
2018-02-06 15:43 ` Patrick Bellasi
[not found] ` <68afaf84-893e-6770-b9f1-619cd2b6dc9c@evidence.eu.com>
2018-02-06 18:36 ` Patrick Bellasi
2018-02-08 16:14 ` Claudio Scordino
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