From: Viresh Kumar <viresh.kumar@linaro.org>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Peter Zijlstra <peterz@infradead.org>,
Julia Lawall <julia.lawall@inria.fr>,
Mel Gorman <mgorman@suse.de>, Ingo Molnar <mingo@redhat.com>,
kernel-janitors@vger.kernel.org,
Juri Lelli <juri.lelli@redhat.com>,
Vincent Guittot <vincent.guittot@linaro.org>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Steven Rostedt <rostedt@goodmis.org>,
Ben Segall <bsegall@google.com>,
Daniel Bristot de Oliveira <bristot@redhat.com>,
linux-kernel@vger.kernel.org,
Valentin Schneider <valentin.schneider@arm.com>,
Gilles Muller <Gilles.Muller@inria.fr>,
srinivas.pandruvada@linux.intel.com, linux-pm@vger.kernel.org
Subject: Re: [PATCH] sched/fair: check for idle core
Date: Tue, 27 Oct 2020 08:31:04 +0530 [thread overview]
Message-ID: <20201027030104.fkklavfx5igdy62p@vireshk-i7> (raw)
In-Reply-To: <2251006.PXaUfaNY4o@kreacher>
On 23-10-20, 17:06, Rafael J. Wysocki wrote:
> On Friday, October 23, 2020 8:12:46 AM CEST Viresh Kumar wrote:
> > On 22-10-20, 13:45, Rafael J. Wysocki wrote:
> > > On Thursday, October 22, 2020 12:47:03 PM CEST Viresh Kumar wrote:
> > > > And I am not really sure why we always wanted this backup performance
> > > > governor to be there unless the said governors are built as module.
> > >
> > > Apparently, some old drivers had problems with switching frequencies fast enough
> > > for ondemand to be used with them and the fallback was for those cases. AFAICS.
> >
> > Do we still need this ?
>
> For the reasonably modern hardware, I don't think so.
>
> > Or better ask those platforms to individually
> > enable both of them.
>
> Bu who knows what they are? :-)
I was planning to break them and let them complain :)
--
viresh
WARNING: multiple messages have this Message-ID (diff)
From: Viresh Kumar <viresh.kumar@linaro.org>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Peter Zijlstra <peterz@infradead.org>,
Julia Lawall <julia.lawall@inria.fr>,
Mel Gorman <mgorman@suse.de>, Ingo Molnar <mingo@redhat.com>,
kernel-janitors@vger.kernel.org,
Juri Lelli <juri.lelli@redhat.com>,
Vincent Guittot <vincent.guittot@linaro.org>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Steven Rostedt <rostedt@goodmis.org>,
Ben Segall <bsegall@google.com>,
Daniel Bristot de Oliveira <bristot@redhat.com>,
linux-kernel@vger.kernel.org,
Valentin Schneider <valentin.schneider@arm.com>,
Gilles Muller <Gilles.Muller@inria.fr>,
srinivas.pandruvada@linux.intel.com, linux-pm@vger.kernel.org
Subject: Re: [PATCH] sched/fair: check for idle core
Date: Tue, 27 Oct 2020 03:13:04 +0000 [thread overview]
Message-ID: <20201027030104.fkklavfx5igdy62p@vireshk-i7> (raw)
In-Reply-To: <2251006.PXaUfaNY4o@kreacher>
On 23-10-20, 17:06, Rafael J. Wysocki wrote:
> On Friday, October 23, 2020 8:12:46 AM CEST Viresh Kumar wrote:
> > On 22-10-20, 13:45, Rafael J. Wysocki wrote:
> > > On Thursday, October 22, 2020 12:47:03 PM CEST Viresh Kumar wrote:
> > > > And I am not really sure why we always wanted this backup performance
> > > > governor to be there unless the said governors are built as module.
> > >
> > > Apparently, some old drivers had problems with switching frequencies fast enough
> > > for ondemand to be used with them and the fallback was for those cases. AFAICS.
> >
> > Do we still need this ?
>
> For the reasonably modern hardware, I don't think so.
>
> > Or better ask those platforms to individually
> > enable both of them.
>
> Bu who knows what they are? :-)
I was planning to break them and let them complain :)
--
viresh
next prev parent reply other threads:[~2020-10-27 3:01 UTC|newest]
Thread overview: 134+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-20 16:37 [PATCH] sched/fair: check for idle core Julia Lawall
2020-10-20 16:37 ` Julia Lawall
2020-10-21 7:29 ` Vincent Guittot
2020-10-21 7:29 ` Vincent Guittot
2020-10-21 11:13 ` Peter Zijlstra
2020-10-21 11:13 ` Peter Zijlstra
2020-10-21 12:27 ` Vincent Guittot
2020-10-21 12:27 ` Vincent Guittot
2020-10-21 11:20 ` Mel Gorman
2020-10-21 11:20 ` Mel Gorman
2020-10-21 11:56 ` Julia Lawall
2020-10-21 11:56 ` Julia Lawall
2020-10-21 12:19 ` Peter Zijlstra
2020-10-21 12:19 ` Peter Zijlstra
2020-10-21 12:42 ` Julia Lawall
2020-10-21 12:42 ` Julia Lawall
2020-10-21 12:52 ` Peter Zijlstra
2020-10-21 12:52 ` Peter Zijlstra
2020-10-21 13:43 ` Julia Lawall
2020-10-21 18:18 ` Rafael J. Wysocki
2020-10-21 18:18 ` Rafael J. Wysocki
2020-10-21 18:15 ` Rafael J. Wysocki
2020-10-21 18:15 ` Rafael J. Wysocki
2020-10-21 19:47 ` Julia Lawall
2020-10-21 19:47 ` Julia Lawall
2020-10-21 20:25 ` Rafael J. Wysocki
2020-10-21 20:25 ` Rafael J. Wysocki
2020-10-21 13:10 ` Peter Zijlstra
2020-10-21 13:10 ` Peter Zijlstra
2020-10-21 18:11 ` Rafael J. Wysocki
2020-10-21 18:11 ` Rafael J. Wysocki
2020-10-22 4:41 ` Viresh Kumar
2020-10-22 4:53 ` Viresh Kumar
2020-10-22 7:11 ` Peter Zijlstra
2020-10-22 7:11 ` Peter Zijlstra
2020-10-22 10:47 ` Viresh Kumar
2020-10-22 10:59 ` Viresh Kumar
2020-10-22 11:45 ` Rafael J. Wysocki
2020-10-22 11:45 ` Rafael J. Wysocki
2020-10-22 12:02 ` default cpufreq gov, was: " Peter Zijlstra
2020-10-22 12:02 ` Peter Zijlstra
2020-10-22 12:19 ` Rafael J. Wysocki
2020-10-22 12:19 ` Rafael J. Wysocki
2020-10-22 12:29 ` Peter Zijlstra
2020-10-22 12:29 ` Peter Zijlstra
2020-10-22 14:52 ` Mel Gorman
2020-10-22 14:52 ` Mel Gorman
2020-10-22 14:58 ` Colin Ian King
2020-10-22 14:58 ` Colin Ian King
2020-10-22 15:12 ` Phil Auld
2020-10-22 15:12 ` Phil Auld
2020-10-22 16:35 ` Mel Gorman
2020-10-22 16:35 ` Mel Gorman
2020-10-22 17:59 ` Rafael J. Wysocki
2020-10-22 17:59 ` Rafael J. Wysocki
2020-10-22 20:32 ` Mel Gorman
2020-10-22 20:32 ` Mel Gorman
2020-10-22 20:39 ` Phil Auld
2020-10-22 20:39 ` Phil Auld
2020-10-22 15:25 ` Peter Zijlstra
2020-10-22 15:25 ` Peter Zijlstra
2020-10-22 15:55 ` Rafael J. Wysocki
2020-10-22 15:55 ` Rafael J. Wysocki
2020-10-22 16:29 ` Mel Gorman
2020-10-22 16:29 ` Mel Gorman
2020-10-22 20:10 ` Giovanni Gherdovich
2020-10-22 20:10 ` Giovanni Gherdovich
2020-10-22 20:16 ` Giovanni Gherdovich
2020-10-22 20:16 ` Giovanni Gherdovich
2020-10-23 7:03 ` Peter Zijlstra
2020-10-23 7:03 ` Peter Zijlstra
2020-10-23 17:46 ` Tom Lendacky
2020-10-23 17:46 ` Tom Lendacky
2020-10-26 19:52 ` Fontenot, Nathan
2020-10-26 19:52 ` Fontenot, Nathan
2020-10-22 15:45 ` A L
2020-10-22 15:45 ` A L
2020-10-22 15:55 ` Vincent Guittot
2020-10-22 15:55 ` Vincent Guittot
2020-10-23 5:11 ` Viresh Kumar
2020-10-23 5:23 ` Viresh Kumar
2020-10-22 16:23 ` [PATCH] cpufreq: Avoid configuring old governors as default with intel_pstate Rafael J. Wysocki
2020-10-22 16:23 ` Rafael J. Wysocki
2020-10-23 6:17 ` Viresh Kumar
2020-10-23 6:29 ` Viresh Kumar
2020-10-23 11:59 ` Rafael J. Wysocki
2020-10-23 11:59 ` Rafael J. Wysocki
2020-10-23 15:15 ` [PATCH v2] " Rafael J. Wysocki
2020-10-23 15:15 ` Rafael J. Wysocki
2020-10-27 3:01 ` Viresh Kumar
2020-10-27 3:13 ` Viresh Kumar
2020-10-27 11:11 ` default cpufreq gov, was: [PATCH] sched/fair: check for idle core Qais Yousef
2020-10-27 11:26 ` Valentin Schneider
2020-10-27 11:42 ` Qais Yousef
2020-10-27 11:48 ` Viresh Kumar
2020-10-27 11:48 ` Viresh Kumar
2020-10-23 6:12 ` Viresh Kumar
2020-10-23 6:24 ` Viresh Kumar
2020-10-23 15:06 ` Rafael J. Wysocki
2020-10-23 15:06 ` Rafael J. Wysocki
2020-10-27 3:01 ` Viresh Kumar [this message]
2020-10-27 3:13 ` Viresh Kumar
2020-10-22 11:21 ` AW: " Walter Harms
2020-10-22 11:21 ` Walter Harms
2020-10-21 12:28 ` Mel Gorman
2020-10-21 12:28 ` Mel Gorman
2020-10-21 12:25 ` Vincent Guittot
2020-10-21 12:25 ` Vincent Guittot
2020-10-21 12:47 ` Mel Gorman
2020-10-21 12:47 ` Mel Gorman
2020-10-21 12:56 ` Julia Lawall
2020-10-21 12:56 ` Julia Lawall
2020-10-21 13:18 ` Mel Gorman
2020-10-21 13:18 ` Mel Gorman
2020-10-21 13:24 ` Julia Lawall
2020-10-21 13:24 ` Julia Lawall
2020-10-21 15:08 ` Mel Gorman
2020-10-21 15:08 ` Mel Gorman
2020-10-21 15:18 ` Julia Lawall
2020-10-21 15:18 ` Julia Lawall
2020-10-21 15:23 ` Vincent Guittot
2020-10-21 15:23 ` Vincent Guittot
2020-10-21 15:33 ` Julia Lawall
2020-10-21 15:33 ` Julia Lawall
2020-10-21 15:19 ` Vincent Guittot
2020-10-21 15:19 ` Vincent Guittot
2020-10-21 17:00 ` Mel Gorman
2020-10-21 17:00 ` Mel Gorman
2020-10-21 17:39 ` Julia Lawall
2020-10-21 17:39 ` Julia Lawall
2020-10-21 13:48 ` Julia Lawall
2020-10-21 13:48 ` Julia Lawall
2020-10-21 15:26 ` Mel Gorman
2020-10-21 15:26 ` Mel Gorman
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20201027030104.fkklavfx5igdy62p@vireshk-i7 \
--to=viresh.kumar@linaro.org \
--cc=Gilles.Muller@inria.fr \
--cc=bristot@redhat.com \
--cc=bsegall@google.com \
--cc=dietmar.eggemann@arm.com \
--cc=julia.lawall@inria.fr \
--cc=juri.lelli@redhat.com \
--cc=kernel-janitors@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pm@vger.kernel.org \
--cc=mgorman@suse.de \
--cc=mingo@redhat.com \
--cc=peterz@infradead.org \
--cc=rjw@rjwysocki.net \
--cc=rostedt@goodmis.org \
--cc=srinivas.pandruvada@linux.intel.com \
--cc=valentin.schneider@arm.com \
--cc=vincent.guittot@linaro.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.