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Re: [PATCH 1/1] cpufreq: pcc-cpufreq: Re-introduce deadband effect to reduce number of frequency changes

Started byViresh Kumar <viresh.kumar@linaro.org>
First post2016-10-05 07:30 +0200
Last post2016-10-05 07:30 +0200
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  Re: [PATCH 1/1] cpufreq: pcc-cpufreq: Re-introduce deadband effect  to reduce number of frequency changes Viresh Kumar <viresh.kumar@linaro.org> - 2016-10-05 07:30 +0200

#1495701 — Re: [PATCH 1/1] cpufreq: pcc-cpufreq: Re-introduce deadband effect to reduce number of frequency changes

FromViresh Kumar <viresh.kumar@linaro.org>
Date2016-10-05 07:30 +0200
SubjectRe: [PATCH 1/1] cpufreq: pcc-cpufreq: Re-introduce deadband effect to reduce number of frequency changes
Message-ID<soMWd-4MN-1@gated-at.bofh.it>
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

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