From: Viresh Kumar <viresh.kumar@linaro.org>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Dietmar Eggemann <dietmar.eggemann@arm.com>,
Peter Zijlstra <peterz@infradead.org>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linux PM <linux-pm@vger.kernel.org>,
Russell King - ARM Linux <linux@arm.linux.org.uk>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Russell King <rmk+kernel@armlinux.org.uk>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
Juri Lelli <juri.lelli@arm.com>,
Vincent Guittot <vincent.guittot@linaro.org>,
Morten Rasmussen <morten.rasmussen@arm.com>
Subject: Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support
Date: Tue, 11 Jul 2017 12:09:44 +0530 [thread overview]
Message-ID: <20170711063944.GA17115@vireshk-i7> (raw)
In-Reply-To: <4673356.gkeX7KYvlb@aspire.rjw.lan>
On 10-07-17, 14:46, Rafael J. Wysocki wrote:
> This particular change is about a new feature, so making it in the core is OK
> in two cases IMO: (a) when you actively want everyone to be affected by it and
IMO this change should be done for the whole ARM architecture. And if some
regression happens due to this, then we come back and solve it.
> (b) when the effect of it on the old systems should not be noticeable.
I am not sure about the effects of this on performance really.
@Dietmar: Any inputs for that ?
--
viresh
next prev parent reply other threads:[~2017-07-11 6:39 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-06 9:49 [PATCH v2 00/10] arm, arm64: frequency- and cpu-invariant accounting support for task scheduler Dietmar Eggemann
2017-07-06 9:49 ` [PATCH v2 01/10] drivers base/arch_topology: free cpumask cpus_to_visit Dietmar Eggemann
2017-07-06 10:22 ` Viresh Kumar
2017-07-06 10:59 ` Juri Lelli
2017-07-06 11:15 ` Viresh Kumar
2017-07-07 15:50 ` Dietmar Eggemann
2017-07-06 9:49 ` [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Dietmar Eggemann
2017-07-06 10:40 ` Viresh Kumar
2017-07-06 22:38 ` Rafael J. Wysocki
2017-07-07 16:01 ` Dietmar Eggemann
2017-07-07 16:18 ` Rafael J. Wysocki
2017-07-07 17:06 ` Dietmar Eggemann
2017-07-08 12:09 ` Rafael J. Wysocki
2017-07-10 6:54 ` Viresh Kumar
2017-07-10 12:46 ` Rafael J. Wysocki
2017-07-11 6:39 ` Viresh Kumar [this message]
2017-07-11 15:21 ` Dietmar Eggemann
2017-07-13 12:40 ` Sudeep Holla
2017-07-13 13:08 ` Dietmar Eggemann
2017-07-13 14:06 ` Sudeep Holla
2017-07-10 9:30 ` Peter Zijlstra
2017-07-10 9:42 ` Viresh Kumar
2017-07-10 10:31 ` Dietmar Eggemann
2017-07-10 12:02 ` Dietmar Eggemann
2017-07-11 6:01 ` Viresh Kumar
2017-07-11 15:06 ` Dietmar Eggemann
2017-07-11 14:59 ` Rafael J. Wysocki
2017-07-11 15:12 ` Dietmar Eggemann
2017-07-12 4:09 ` Viresh Kumar
2017-07-12 8:31 ` Peter Zijlstra
2017-07-12 9:27 ` Viresh Kumar
2017-07-12 11:14 ` Peter Zijlstra
2017-07-12 23:13 ` Rafael J. Wysocki
2017-07-13 7:49 ` Peter Zijlstra
2017-07-13 8:48 ` Viresh Kumar
2017-07-13 11:15 ` Peter Zijlstra
2017-07-13 14:04 ` Sudeep Holla
2017-07-13 14:42 ` Peter Zijlstra
2017-07-13 15:00 ` Sudeep Holla
2017-07-13 12:54 ` Sudeep Holla
2017-07-13 12:49 ` Sudeep Holla
2017-07-10 6:40 ` Viresh Kumar
2017-07-06 9:49 ` [PATCH v2 03/10] drivers base/arch_topology: " Dietmar Eggemann
2017-07-06 10:45 ` Viresh Kumar
2017-07-07 16:51 ` Dietmar Eggemann
2017-07-06 9:49 ` [PATCH v2 04/10] arm: wire cpufreq input data for frequency-invariant accounting up to the arch Dietmar Eggemann
2017-07-06 10:42 ` Viresh Kumar
2017-07-10 15:13 ` Dietmar Eggemann
2017-07-11 6:32 ` Viresh Kumar
2017-07-06 9:49 ` [PATCH v2 05/10] arm: wire frequency-invariant accounting support up to the task scheduler Dietmar Eggemann
2017-07-06 10:46 ` Viresh Kumar
2017-07-06 9:49 ` [PATCH v2 06/10] arm: wire cpu-invariant " Dietmar Eggemann
2017-07-06 10:47 ` Viresh Kumar
2017-07-06 9:49 ` [PATCH v2 07/10] arm64: wire cpufreq input data for frequency-invariant accounting up to the arch Dietmar Eggemann
2017-07-06 10:48 ` Viresh Kumar
2017-07-06 9:49 ` [PATCH v2 08/10] arm64: wire frequency-invariant accounting support up to the task scheduler Dietmar Eggemann
2017-07-06 10:48 ` Viresh Kumar
2017-07-06 9:49 ` [PATCH v2 09/10] arm64: wire cpu-invariant " Dietmar Eggemann
2017-07-06 10:49 ` Viresh Kumar
2017-07-06 9:49 ` [PATCH v2 10/10] drivers base/arch_topology: inline cpu- and frequency-invariant accounting Dietmar Eggemann
2017-07-06 10:57 ` Viresh Kumar
2017-07-10 15:17 ` Dietmar Eggemann
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=20170711063944.GA17115@vireshk-i7 \
--to=viresh.kumar@linaro.org \
--cc=catalin.marinas@arm.com \
--cc=dietmar.eggemann@arm.com \
--cc=gregkh@linuxfoundation.org \
--cc=juri.lelli@arm.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pm@vger.kernel.org \
--cc=linux@arm.linux.org.uk \
--cc=morten.rasmussen@arm.com \
--cc=peterz@infradead.org \
--cc=rafael@kernel.org \
--cc=rjw@rjwysocki.net \
--cc=rmk+kernel@armlinux.org.uk \
--cc=vincent.guittot@linaro.org \
--cc=will.deacon@arm.com \
/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;
as well as URLs for NNTP newsgroup(s).