From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: Viresh Kumar <viresh.kumar@linaro.org>
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: Fri, 23 Oct 2020 17:06:08 +0200 [thread overview]
Message-ID: <2251006.PXaUfaNY4o@kreacher> (raw)
In-Reply-To: <20201023061246.irzbrl62baoawmqv@vireshk-i7>
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? :-)
next prev parent reply other threads:[~2020-10-23 15:06 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1603211879-1064-1-git-send-email-Julia.Lawall@inria.fr>
[not found] ` <34115486.YmRjPRKJaA@kreacher>
[not found] ` <20201022120213.GG2611@hirez.programming.kicks-ass.net>
2020-10-22 12:19 ` default cpufreq gov, was: [PATCH] sched/fair: check for idle core Rafael J. Wysocki
2020-10-22 12:29 ` Peter Zijlstra
2020-10-22 14:52 ` Mel Gorman
2020-10-22 14:58 ` Colin Ian King
2020-10-22 15:12 ` Phil Auld
2020-10-22 16:35 ` Mel Gorman
2020-10-22 17:59 ` Rafael J. Wysocki
2020-10-22 20:32 ` Mel Gorman
2020-10-22 20:39 ` Phil Auld
2020-10-22 15:25 ` Peter Zijlstra
2020-10-22 15:55 ` Rafael J. Wysocki
2020-10-22 16:29 ` Mel Gorman
2020-10-22 20:10 ` Giovanni Gherdovich
2020-10-22 20:16 ` Giovanni Gherdovich
2020-10-23 7:03 ` Peter Zijlstra
2020-10-23 17:46 ` Tom Lendacky
2020-10-26 19:52 ` Fontenot, Nathan
2020-10-22 15:45 ` A L
2020-10-22 15:55 ` Vincent Guittot
2020-10-23 5:11 ` Viresh Kumar
2020-10-22 16:23 ` [PATCH] cpufreq: Avoid configuring old governors as default with intel_pstate Rafael J. Wysocki
2020-10-23 6:17 ` Viresh Kumar
2020-10-23 11:59 ` Rafael J. Wysocki
2020-10-23 15:15 ` [PATCH v2] " Rafael J. Wysocki
2020-10-27 3:01 ` Viresh Kumar
[not found] ` <20201023061246.irzbrl62baoawmqv@vireshk-i7>
2020-10-23 15:06 ` Rafael J. Wysocki [this message]
2020-10-27 3:01 ` [PATCH] sched/fair: check for idle core Viresh Kumar
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=2251006.PXaUfaNY4o@kreacher \
--to=rjw@rjwysocki.net \
--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=rostedt@goodmis.org \
--cc=srinivas.pandruvada@linux.intel.com \
--cc=valentin.schneider@arm.com \
--cc=vincent.guittot@linaro.org \
--cc=viresh.kumar@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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox