Re: [PATCH 00/24] Complete EEVDF

Peter Zijlstra
2024-11-06T11:09:36Z

On Wed, Nov 06, 2024 at 11:49:00AM +0530, K Prateek Nayak wrote:

> Since delayed entities are still on the runqueue, they can affect PELT
> calculation. Vincent and Dietmar have both noted this and Peter posted
> https://lore.kernel.org/lkml/172595576232.2215.18027704125134691219.tip-bot2@tip-bot2/
> in response but it was pulled out since Luis reported observing -ve
> values for h_nr_delayed on his setup. A lot has been fixed around
> delayed dequeue since and I wonder if now would be the right time to
> re-attempt h_nr_delayed tracking.

Yeah, it's something I meant to get back to. I think the patch as posted
was actually right and it didn't work for Luis because of some other,
since fixed issue.

But I might be misremembering things. I'll get to it eventually :/