From: Viresh Kumar <viresh.kumar@linaro.org>
To: Andreas Herrmann <aherrmann@suse.com>
Cc: Stratos Karafotis <skarafotis@gmail.com>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Stratos Karafotis <stratosk@semaphore.gr>,
Thomas Renninger <trenn@suse.com>
Subject: Re: [PATCH 1/1] cpufreq: pcc-cpufreq: Re-introduce deadband effect to reduce number of frequency changes
Date: Wed, 5 Oct 2016 10:51:37 +0530 [thread overview]
Message-ID: <20161005052137.GL4664@vireshk-i7> (raw)
In-Reply-To: <20160922175448.GA25183@suselix.suse.de>
On 22-09-16, 19:54, Andreas Herrmann wrote:
> On Mon, Sep 19, 2016 at 10:39:18PM +0300, Stratos Karafotis wrote:
> > Just an idea. I would split the frequency range (max_freq - min_freq)
> > into ~10 steps. But I'm not familiar with the affected systems and
> > of course I can't prove this is an ideal approach.
>
> I've modified the pcc-cpufreq specific map_load_to_freq function to do
> just that (map load values to 10 discrete frequency values) instead of
> falling back to the deadband (pre-commit-6393d6-version).
And in that you can remove the deadband frequencies from the table to
get almost the same results, as I already stated in an earlier email.
--
viresh
next prev parent reply other threads:[~2016-10-05 5:21 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-19 12:18 [PATCH 0/1] cpufreq: pcc-cpufreq: Re-introduce deadband effect to reduce number of frequency changes Andreas Herrmann
2016-08-19 12:21 ` [PATCH 1/1] " Andreas Herrmann
2016-08-29 6:01 ` Viresh Kumar
2016-09-01 13:21 ` Andreas Herrmann
2016-09-07 5:02 ` Viresh Kumar
2016-09-13 10:53 ` Andreas Herrmann
2016-09-14 14:56 ` Andreas Herrmann
2016-10-05 5:17 ` Viresh Kumar
2016-10-11 6:28 ` Andreas Herrmann
2016-09-16 9:47 ` Andreas Herrmann
2016-09-16 18:48 ` Stratos Karafotis
[not found] ` <CADmjqpNE9f7fzQjWsHKB4wEjLq-4ZvQpaC314OcLdQ-i_TAABg@mail.gmail.com>
2016-09-19 16:16 ` Andreas Herrmann
2016-09-19 19:39 ` Stratos Karafotis
2016-09-22 17:54 ` Andreas Herrmann
2016-10-05 5:21 ` Viresh Kumar [this message]
2016-08-19 12:40 ` [PATCH 0/1] " Andreas Herrmann
2016-09-23 16:56 ` [PATCH v2 0/2] " Andreas Herrmann
2016-09-23 17:02 ` [PATCH v2 1/2] cpufreq/ondemand: Introduce op to customize mapping of load to frequency Andreas Herrmann
2016-10-05 4:01 ` Viresh Kumar
2016-10-11 6:30 ` Andreas Herrmann
2016-09-23 17:07 ` [PATCH v2 2/2] cpufreq/pcc-cpufreq: Make use of map_load_to_freq op Andreas Herrmann
2016-09-26 9:05 ` [PATCH v3 " Andreas Herrmann
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