Re: [PATCH 17/24] sched/fair: Implement delayed dequeue

Peter Zijlstra
2024-11-07T14:10:01Z

On Thu, Nov 07, 2024 at 03:02:36PM +0100, Mike Galbraith wrote:
> On Thu, 2024-11-07 at 10:46 +0100, Mike Galbraith wrote:
> > On Thu, 2024-11-07 at 05:03 +0100, Mike Galbraith wrote:
> > >
> > > I built that patch out of curiosity, and yeah, set_next_task_fair()
> > > finding a cfs_rq->curr ends play time pretty quickly.
> >
> > The below improved uptime, and trace_printk() says it's doing the
> > intended, so I suppose I'll add a feature and see what falls out.
>
> From netperf, I got.. number tabulation practice. Three runs of each
> test with and without produced nothing but variance/noise.

Make it go away then.

If you could write a Changelog for you inspired bit and stick my cleaned
up version under it, I'd be much obliged.