Re: [PATCH v3] sched/fair: Remove cfs_rq::nr_spread_over and cfs_rq::exec_clock

[Dietmar Eggemann]

On 20/07/2024 05:19, Chuyi Zhou wrote:
> nr_spread_over tracks the number of instances where the difference
> between a scheduling entity's virtual runtime and the minimum virtual
> runtime in the runqueue exceeds three times the scheduler latency,
> indicating significant disparity in task scheduling.
> Commit 5e963f2bd465 ("sched/fair: Commit to EEVDF") removed its usage.
> 
> cfs_rq->exec_clock was used to account for time spent executing tasks.
> Commit 5d69eca542ee ("sched: Unify runtime accounting across classes")
> removed its usage.

I was under the impression this commit removed
'schedstat_add(cfs_rq->exec_clock, delta_exec)' from update_curr() by
mistake?

That's why I sent out this patch back in May:

https://lkml.kernel.org/r/20240503104605.1871571-1-dietmar.eggemann@xxxxxxx

to add it back.