Re: [RFC][PATCH 3/3] cpuidle,teo: Improve state selection

[Peter Zijlstra]

On Fri, Jul 28, 2023 at 07:07:02PM +0200, Rafael J. Wysocki wrote:
> On Fri, Jul 28, 2023 at 5:01 PM Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> >
> > When selecting a state, stop when history tells us 66% of recent idles
> > were at or below our current state.
> 
> This is not really about "recent idles" AFAICS.  It stops the
> selection when 66% of the total sum of the "hits" and "intercepts"
> signals comes from the current state and the states below it.  This
> covers the entire history, while the "recent" ones are counted
> separately.

Ah, bad wording perhaps. I found that 'recent' list teo has very hard to
use, also the regular state isn't that long lived as per the reply on
the previous patch.