Re: [RFC/RFT][PATCH 1/2] cpufreq: schedutil: Use policy-dependent transition delays

From: Viresh Kumar
Date: Mon Apr 17 2017 - 01:42:14 EST


On 11-04-17, 00:20, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
>
> Make the schedutil governor take the initial (default) value of the
> rate_limit_us sysfs attribute from the (new) transition_delay_us
> policy parameter (to be set by the scaling driver).
>
> That will allow scaling drivers to make schedutil use smaller default
> values of rate_limit_us and reduce the default average time interval
> between consecutive frequency changes.
>
> Make intel_pstate set transition_delay_us to 500.
>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
> ---
>
> This is a replacement for https://patchwork.kernel.org/patch/9671831/

Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>

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viresh