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

[Viresh Kumar]

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/
> 
> ---
>  drivers/cpufreq/intel_pstate.c   |    2 ++
>  include/linux/cpufreq.h          |    7 +++++++
>  kernel/sched/cpufreq_schedutil.c |   15 ++++++++++-----
>  3 files changed, 19 insertions(+), 5 deletions(-)

Should we use this new value for the ondemand/conservative governors as well?

-- 
viresh