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

From: Mike Galbraith
Date: Wed Sep 25 2024 - 01:15:37 EST


On Tue, 2024-09-24 at 19:35 +0200, Mike Galbraith wrote:
> On Tue, 2024-09-24 at 16:16 +0100, Luis Machado wrote:
> > On 9/14/24 04:40, Mike Galbraith wrote:
> > > On Fri, 2024-09-13 at 18:39 +0200, Mike Galbraith wrote:
> > > > tip 4c293d0fa315 (sans sched/eevdf: More PELT vs DELAYED_DEQUEUE)
> > > > seems
> > > > to be stable.
> > >
> > > Belay that, it went boom immediately this morning while trying to
> > > trigger a warning I met elsewhere.
> > >
> > >         -Mike
> >
> > Are you still hitting this one?
> >
> > I was trying to reproduce this one on the Pixel 6 (manifests as
> > a boot crash) but couldn't so far. Something might've changed a bit.
>
> I'm also having no luck triggering it.

BTW, that includes hefty RT/!RT config beating sessions w/wo..

sched/eevdf: More PELT vs DELAYED_DEQUEUE

..and w/wo your mod to same, with dequeue on unthrottle patchlet to
keep sched_delayed encounter there from interrupting the hunt.

-Mike