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Re: [Resend][PATCH 1/3] cpufreq / sched: SCHED_CPUFREQ_IOWAIT flag to indicate iowait condition

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On Fri, Sep 09, 2016 at 11:59:33PM +0200, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> 
> Testing indicates that it is possible to improve performace
> significantly without increasing energy consumption too much by
> teaching cpufreq governors to bump up the CPU performance level if
> the in_iowait flag is set for the task in enqueue_task_fair().
> 
> For this purpose, define a new cpufreq_update_util() flag
> SCHED_CPUFREQ_IOWAIT and modify enqueue_task_fair() to pass that
> flag to cpufreq_update_util() in the in_iowait case.  That generally
> requires cpufreq_update_util() to be called directly from there,
> because update_load_avg() may not be invoked in that case.
> 
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> Looks-good-to: Steve Muckle <smuckle@linaro.org>

Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>

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[PATCH 0/3] cpufreq / sched: iowait boost in intel_pstate and schedutil "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-09-10 00:00 +0200
  [Resend][PATCH 1/3] cpufreq / sched: SCHED_CPUFREQ_IOWAIT flag to indicate iowait condition "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-09-10 00:00 +0200
    Re: [Resend][PATCH 1/3] cpufreq / sched: SCHED_CPUFREQ_IOWAIT flag  to indicate iowait condition Peter Zijlstra <peterz@infradead.org> - 2016-09-13 09:40 +0200
  [PATCH 3/3] cpufreq: intel_pstate: Use IOWAIT flag in Atom algorithm "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-09-10 00:00 +0200
    [Update][PATCH 3/3] cpufreq: intel_pstate: Use IOWAIT flag in Atom algorithm "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-09-14 02:00 +0200
  [Resend][PATCH 2/3] cpufreq: schedutil: Add iowait boosting "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-09-10 00:00 +0200
    Re: [Resend][PATCH 2/3] cpufreq: schedutil: Add iowait boosting Peter Zijlstra <peterz@infradead.org> - 2016-09-13 09:50 +0200

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