From: Peter Zijlstra <peterz@infradead.org>
To: John Stultz <jstultz@google.com>
Cc: K Prateek Nayak <kprateek.nayak@amd.com>,
Joel Fernandes <joelagnelf@nvidia.com>,
Qais Yousef <qyousef@layalina.io>, Ingo Molnar <mingo@redhat.com>,
Juri Lelli <juri.lelli@redhat.com>,
Vincent Guittot <vincent.guittot@linaro.org>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Valentin Schneider <vschneid@redhat.com>,
Steven Rostedt <rostedt@goodmis.org>,
Ben Segall <bsegall@google.com>,
Zimuzo Ezeozue <zezeozue@google.com>,
Will Deacon <will@kernel.org>, Waiman Long <longman@redhat.com>,
Boqun Feng <boqun.feng@gmail.com>,
"Paul E. McKenney" <paulmck@kernel.org>,
Metin Kaya <Metin.Kaya@arm.com>,
Xuewen Yan <xuewen.yan94@gmail.com>,
Thomas Gleixner <tglx@linutronix.de>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
Suleiman Souhlal <suleiman@google.com>,
kuyo chang <kuyo.chang@mediatek.com>, hupu <hupu.gm@gmail.com>,
linux-kernel@vger.kernel.org, Mike Galbraith <efault@gmx.de>
Subject: Re: [PATCH 5/6] sched/proxy: Remove PROXY_WAKING
Date: Thu, 4 Jun 2026 20:41:01 +0200 [thread overview]
Message-ID: <20260604184101.GG3126523@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <CANDhNCr4dKSD+hRa7LO8n2GhHvZZEe_e02utCMDxCh5gxqACsA@mail.gmail.com>
On Thu, Jun 04, 2026 at 11:29:06AM -0700, John Stultz wrote:
> On Tue, Jun 2, 2026 at 3:02 AM Peter Zijlstra <peterz@infradead.org> wrote:
> >
> > On Tue, Jun 02, 2026 at 10:52:10AM +0530, K Prateek Nayak wrote:
> >
> > > Could you also try merging tip:sched/urgent into this branch and
> > > rerunning.
> >
> > I'll merge that into sched/core so we don't keep hitting this. Been
> > there done that etc. :(
>
> Just an update: So I re-ran with K Prateek's suggestion for a night
> with no trouble, and then after I saw sched/core was updated I started
> over with that as of 130fc7bdfadb ("sched/fair: Unify cfs_rq
> throttling via account_cfs_rq_runtime()"), and its been running the
> same stress testing for almost 40 hours without any apparent issues.
>
> So yeah, I'm pretty sure the b6eee96843e8 ("sched/fair: Fix overflow
> in vruntime_eligible()") fix resolved what I was hitting.
Excellent!, I'll go push queue:sched/core into -tip momentarily.
next prev parent reply other threads:[~2026-06-04 18:41 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-26 11:16 [PATCH 0/6] sched/proxy: doodles Peter Zijlstra
2026-05-26 11:16 ` [PATCH 1/6] sched/proxy: Remove superfluous clear_task_blocked_in() Peter Zijlstra
2026-05-26 23:39 ` John Stultz
2026-05-26 23:54 ` John Stultz
2026-05-27 8:59 ` Peter Zijlstra
2026-05-28 23:20 ` John Stultz
2026-05-29 6:45 ` K Prateek Nayak
2026-05-29 7:14 ` John Stultz
2026-05-29 8:24 ` K Prateek Nayak
2026-05-29 8:47 ` Peter Zijlstra
2026-05-29 8:50 ` Peter Zijlstra
2026-05-29 10:46 ` K Prateek Nayak
2026-05-30 2:56 ` John Stultz
2026-05-29 9:33 ` Peter Zijlstra
2026-05-29 6:48 ` John Stultz
2026-05-29 7:58 ` K Prateek Nayak
2026-05-29 10:06 ` Peter Zijlstra
2026-05-29 10:54 ` K Prateek Nayak
2026-06-04 18:45 ` [tip: sched/core] " tip-bot2 for Peter Zijlstra
2026-05-26 11:16 ` [PATCH 2/6] sched/proxy: Optimize try_to_wake_up() Peter Zijlstra
2026-05-27 1:56 ` John Stultz
2026-06-04 18:45 ` [tip: sched/core] " tip-bot2 for Peter Zijlstra
2026-05-26 11:16 ` [PATCH 3/6] sched: Be more strict about p->is_blocked Peter Zijlstra
2026-05-27 1:56 ` John Stultz
2026-06-04 18:45 ` [tip: sched/core] " tip-bot2 for Peter Zijlstra
2026-05-26 11:16 ` [PATCH 4/6] sched/proxy: Switch proxy to use p->is_blocked Peter Zijlstra
2026-05-26 14:57 ` Peter Zijlstra
2026-05-26 19:48 ` John Stultz
2026-05-27 2:25 ` John Stultz
2026-05-27 8:29 ` Peter Zijlstra
2026-06-04 18:45 ` [tip: sched/core] sched/proxy: Only return migrate when needed tip-bot2 for Peter Zijlstra
2026-06-04 18:45 ` [tip: sched/core] sched/proxy: Switch proxy to use p->is_blocked tip-bot2 for Peter Zijlstra
2026-05-26 11:16 ` [PATCH 5/6] sched/proxy: Remove PROXY_WAKING Peter Zijlstra
2026-06-01 10:54 ` Peter Zijlstra
2026-06-01 20:32 ` John Stultz
2026-06-02 5:22 ` K Prateek Nayak
2026-06-02 6:58 ` John Stultz
2026-06-02 10:02 ` Peter Zijlstra
2026-06-04 18:29 ` John Stultz
2026-06-04 18:41 ` Peter Zijlstra [this message]
2026-06-02 3:19 ` K Prateek Nayak
2026-06-04 18:45 ` [tip: sched/core] " tip-bot2 for K Prateek Nayak
2026-05-26 11:16 ` [PATCH 6/6] sched: Simplify ttwu_runnable() Peter Zijlstra
2026-06-04 18:45 ` [tip: sched/core] " tip-bot2 for Peter Zijlstra
2026-05-26 11:45 ` [PATCH 0/6] sched/proxy: doodles Peter Zijlstra
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