Re: [PATCH 1/1] cpufreq: pcc-cpufreq: Re-introduce deadband effect to reduce number of frequency changes

From: Viresh Kumar
Date: Wed Oct 05 2016 - 01:21:45 EST

On 22-09-16, 19:54, Andreas Herrmann wrote:
> On Mon, Sep 19, 2016 at 10:39:18PM +0300, Stratos Karafotis wrote:
> > Just an idea. I would split the frequency range (max_freq - min_freq)
> > into ~10 steps. But I'm not familiar with the affected systems and
> > of course I can't prove this is an ideal approach.
> I've modified the pcc-cpufreq specific map_load_to_freq function to do
> just that (map load values to 10 discrete frequency values) instead of
> falling back to the deadband (pre-commit-6393d6-version).

And in that you can remove the deadband frequencies from the table to
get almost the same results, as I already stated in an earlier email.