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Re: [PATCH RFC v5] cpufreq: schedutil: Make iowait boost more energy efficient

From Joel Fernandes <joelaf@google.com>
Newsgroups linux.kernel
Subject Re: [PATCH RFC v5] cpufreq: schedutil: Make iowait boost more energy efficient
Date 2017-07-21 08:10 +0200
Message-ID <u5ziq-174-11@gated-at.bofh.it> (permalink)
References (5 earlier) <u4Qv0-4B3-17@gated-at.bofh.it> <u59xD-Ok-1@gated-at.bofh.it> <u5aDo-1w5-5@gated-at.bofh.it> <u5pCq-3hs-1@gated-at.bofh.it> <u5xzX-8q4-3@gated-at.bofh.it>
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On Thu, Jul 20, 2017 at 9:09 PM, Viresh Kumar <viresh.kumar@linaro.org> wrote:
> On 20-07-17, 12:49, Joel Fernandes wrote:
>> Yes I think that's fine, I thought about it some more and I think this
>> can be an issue in a scenario where
>>
>> iowait_boost_max < policy->min  but:

Uhh I meant to say here iowait_boost < policy->min. Sorry.

> We will never have this case as boost-max is set to cpuinfo.max_freq.

But you're right it can't be an issue in current code. I was just
thinking of future proofing it incase someone decided to lower the
boost-max in the code for whatever reason and forgets to handle this.

thanks,

-Joel

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Re: [PATCH RFC v5] cpufreq: schedutil: Make iowait boost more energy efficient Joel Fernandes <joelaf@google.com> - 2017-07-19 06:40 +0200
  Re: [PATCH RFC v5] cpufreq: schedutil: Make iowait boost more energy  efficient Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-19 08:20 +0200
    Re: [PATCH RFC v5] cpufreq: schedutil: Make iowait boost more energy efficient Joel Fernandes <joelaf@google.com> - 2017-07-20 04:40 +0200
      Re: [PATCH RFC v5] cpufreq: schedutil: Make iowait boost more energy  efficient Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-20 05:50 +0200
        Re: [PATCH RFC v5] cpufreq: schedutil: Make iowait boost more energy efficient Joel Fernandes <joelaf@google.com> - 2017-07-20 21:50 +0200
          Re: [PATCH RFC v5] cpufreq: schedutil: Make iowait boost more energy  efficient Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-21 06:20 +0200
            Re: [PATCH RFC v5] cpufreq: schedutil: Make iowait boost more energy efficient Joel Fernandes <joelaf@google.com> - 2017-07-21 08:10 +0200

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