Re: [PATCH 10/24] sched/uclamg: Handle delayed dequeue

Mike Galbraith
2024-09-11T09:28:05Z

On Wed, 2024-09-11 at 11:13 +0200, Peter Zijlstra wrote:
> On Wed, Sep 11, 2024 at 11:10:26AM +0200, Mike Galbraith wrote:
> >
> > Hm, would be interesting to know how the heck he's triggering that.
> >
> > My x86_64 box refuses to produce any such artifacts with anything I've
> > tossed at it, including full LTP with enterprise RT and !RT configs,
> > both in master and my local SLE15-SP7 branch.  Hohum.
>
> Yeah, my hackbench runs also didn't show that. Perhaps something funny
> with cgroups. I didn't test cgroup bandwidth for exanple.

That's all on in enterprise configs tested with LTP, so hypothetically
got some testing. I also turned on AUTOGROUP in !RT configs so cgroups
would get some exercise no matter what I'm mucking about with.

-Mike