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Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support

From Peter Zijlstra <peterz@infradead.org>
Newsgroups linux.kernel
Subject Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support
Date 2017-07-10 11:40 +0200
Message-ID <u1DkB-3e1-5@gated-at.bofh.it> (permalink)
References <u0bJL-2Bf-3@gated-at.bofh.it> <u0E94-6rS-21@gated-at.bofh.it> <u0EVs-71k-13@gated-at.bofh.it> <u0WSm-26b-5@gated-at.bofh.it>
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On Sat, Jul 08, 2017 at 02:09:37PM +0200, Rafael J. Wysocki wrote:
> Anyway, if everyone agrees that doing it in the core is the way to go (Peter?),
> why don't you introduce a __weak function for setting policy->cur and
> override it from your arch so as to call arch_set_freq_scale() from there?
> 

So I'm terminally backlogged and my recent break didn't help any with
that.

I'm at a total loss as to what is proposed here and why we need it. I
tried reading both the Changelog and patch but came up empty.

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[PATCH v2 00/10] arm, arm64: frequency- and cpu-invariant accounting support for task scheduler Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-06 12:00 +0200
  [PATCH v2 08/10] arm64: wire frequency-invariant accounting support up to the task scheduler Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-06 12:00 +0200
    Re: [PATCH v2 08/10] arm64: wire frequency-invariant accounting  support up to the task scheduler Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-06 12:50 +0200
  [PATCH v2 03/10] drivers base/arch_topology: frequency-invariant load-tracking support Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-06 12:00 +0200
    Re: [PATCH v2 03/10] drivers base/arch_topology: frequency-invariant  load-tracking support Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-06 12:50 +0200
      Re: [PATCH v2 03/10] drivers base/arch_topology: frequency-invariant  load-tracking support Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-07 19:00 +0200
  [PATCH v2 05/10] arm: wire frequency-invariant accounting support up to the task scheduler Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-06 12:00 +0200
    Re: [PATCH v2 05/10] arm: wire frequency-invariant accounting  support up to the task scheduler Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-06 12:50 +0200
  [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-06 12:00 +0200
    Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant  load-tracking support Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-06 12:50 +0200
      Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-07-07 00:50 +0200
      Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant  load-tracking support Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-07 18:10 +0200
        Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant  load-tracking support "Rafael J. Wysocki" <rafael@kernel.org> - 2017-07-07 18:20 +0200
          Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant  load-tracking support Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-07 19:10 +0200
            Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-07-08 14:20 +0200
              Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant  load-tracking support Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-10 09:00 +0200
                Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-07-10 15:00 +0200
                Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant  load-tracking support Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-11 08:50 +0200
                Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant  load-tracking support Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-11 17:30 +0200
                Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant  load-tracking support Sudeep Holla <sudeep.holla@arm.com> - 2017-07-13 14:50 +0200
                Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant  load-tracking support Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-13 15:10 +0200
                Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant  load-tracking support Sudeep Holla <sudeep.holla@arm.com> - 2017-07-13 16:10 +0200
              Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant  load-tracking support Peter Zijlstra <peterz@infradead.org> - 2017-07-10 11:40 +0200
                Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant  load-tracking support Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-10 11:50 +0200
                Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant  load-tracking support Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-10 12:40 +0200
              Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant  load-tracking support Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-10 14:10 +0200
                Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant  load-tracking support Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-11 08:10 +0200
                Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant  load-tracking support Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-11 17:10 +0200
                Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-07-11 17:10 +0200
                Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant  load-tracking support Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-11 17:20 +0200
                Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant  load-tracking support Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-12 06:10 +0200
                Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant  load-tracking support Peter Zijlstra <peterz@infradead.org> - 2017-07-12 10:40 +0200
                Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant  load-tracking support Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-12 11:30 +0200
                Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant  load-tracking support Peter Zijlstra <peterz@infradead.org> - 2017-07-12 13:20 +0200
                Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-07-13 01:30 +0200
                Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant  load-tracking support Peter Zijlstra <peterz@infradead.org> - 2017-07-13 10:00 +0200
                Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant  load-tracking support Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-13 10:50 +0200
                Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant  load-tracking support Peter Zijlstra <peterz@infradead.org> - 2017-07-13 13:20 +0200
                Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant  load-tracking support Sudeep Holla <sudeep.holla@arm.com> - 2017-07-13 16:10 +0200
                Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant  load-tracking support Peter Zijlstra <peterz@infradead.org> - 2017-07-13 16:50 +0200
                Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant  load-tracking support Sudeep Holla <sudeep.holla@arm.com> - 2017-07-13 17:10 +0200
                Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant  load-tracking support Sudeep Holla <sudeep.holla@arm.com> - 2017-07-13 15:00 +0200
                Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant  load-tracking support Sudeep Holla <sudeep.holla@arm.com> - 2017-07-13 14:50 +0200
        Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant  load-tracking support Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-10 08:50 +0200
  [PATCH v2 04/10] arm: wire cpufreq input data for frequency-invariant accounting up to the arch Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-06 12:00 +0200
    Re: [PATCH v2 04/10] arm: wire cpufreq input data for  frequency-invariant accounting up to the arch Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-06 12:50 +0200
      Re: [PATCH v2 04/10] arm: wire cpufreq input data for  frequency-invariant accounting up to the arch Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-10 17:20 +0200
        Re: [PATCH v2 04/10] arm: wire cpufreq input data for  frequency-invariant accounting up to the arch Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-11 08:40 +0200
  [PATCH v2 09/10] arm64: wire cpu-invariant accounting support up to the task scheduler Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-06 12:00 +0200
    Re: [PATCH v2 09/10] arm64: wire cpu-invariant accounting support up  to the task scheduler Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-06 12:50 +0200
  [PATCH v2 06/10] arm: wire cpu-invariant accounting support up to the task scheduler Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-06 12:00 +0200
    Re: [PATCH v2 06/10] arm: wire cpu-invariant accounting support up  to the task scheduler Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-06 12:50 +0200
  [PATCH v2 01/10] drivers base/arch_topology: free cpumask cpus_to_visit Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-06 12:00 +0200
    Re: [PATCH v2 01/10] drivers base/arch_topology: free cpumask  cpus_to_visit Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-06 12:30 +0200
      Re: [PATCH v2 01/10] drivers base/arch_topology: free cpumask  cpus_to_visit Juri Lelli <juri.lelli@arm.com> - 2017-07-06 13:00 +0200
        Re: [PATCH v2 01/10] drivers base/arch_topology: free cpumask  cpus_to_visit Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-06 13:20 +0200
          Re: [PATCH v2 01/10] drivers base/arch_topology: free cpumask  cpus_to_visit Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-07 18:00 +0200
  [PATCH v2 10/10] drivers base/arch_topology: inline cpu- and frequency-invariant accounting Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-06 12:00 +0200
    Re: [PATCH v2 10/10] drivers base/arch_topology: inline cpu- and  frequency-invariant accounting Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-06 13:00 +0200
      Re: [PATCH v2 10/10] drivers base/arch_topology: inline cpu- and  frequency-invariant accounting Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-10 17:20 +0200

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