Re: [RFC PATCH 0/7] sched: cpufreq: Remove magic margins

Peter Zijlstra
2023-09-07T15:41:40Z

On Wed, Sep 06, 2023 at 10:18:50PM +0100, Qais Yousef wrote:

> This is probably controversial statement. But I am not in favour of util_est.
> I need to collect the data, but I think we're better with 16ms PELT HALFLIFE as
> default instead. But I will need to do a separate investigation on that.

I think util_est makes perfect sense, where PELT has to fundamentally
decay non-running / non-runnable tasks in order to provide a temporal
average, DVFS might be best served with a termporal max filter.