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From: "Jakub Okoński" <jakub@okonski.org>
To: Vincent Guittot <vincent.guittot@linaro.org>
Cc: Mike Galbraith <efault@gmx.de>,
	Peter Zijlstra <peterz@infradead.org>,
	mingo@kernel.org, longman@redhat.com, chenridong@huaweicloud.com,
	juri.lelli@redhat.com, dietmar.eggemann@arm.com,
	rostedt@goodmis.org, bsegall@google.com, mgorman@suse.de,
	vschneid@redhat.com, tj@kernel.org, hannes@cmpxchg.org,
	mkoutny@suse.com, cgroups@vger.kernel.org,
	linux-kernel@vger.kernel.org, jstultz@google.com,
	kprateek.nayak@amd.com, qyousef@layalina.io
Subject: Re: [PATCH v3 7/7] sched/eevdf: Move to a single runqueue
Date: Mon, 19 Oct 2026 20:24:57 +0200	[thread overview]
Message-ID: <01e25832-955c-4f39-a902-6cc253a2791c@okonski.org> (raw)
In-Reply-To: <CAKfTPtB_gMM7axqM167_Tb=WiChskGPXFDgQ4YjVz4Bj+ZiJ0g@mail.gmail.com>

On 10/19/26 20:04, Vincent Guittot wrote:
> On Mon, 19 Oct 2026 at 19:36, Jakub Okoński <jakub@okonski.org> wrote:
>>
>> top of 7.3.0, it still regresses from 7.2.9 if you test with a nice 19
>> spinner in the same cgroup. I think it's incomplete.
> 
> This patch only aims to fix the sched_idle task group case. I will
> have a closer look at the nice 19 case. Have you checked the different
> cgroup_mode with nice 19 ?
> 
> Vincent

Same result in my nice 19 test for all of up/smp/concur/max/tasks.

  reply	other threads:[~2026-10-19 18:25 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-05 12:40 [PATCH v3 0/7] sched: Flatten the pick Peter Zijlstra
2026-06-05 12:40 ` [PATCH v3 1/7] sched/fair: Add cgroup_mode switch Peter Zijlstra
2026-06-30  9:03   ` [tip: sched/core] " tip-bot2 for Peter Zijlstra
2026-06-05 12:40 ` [PATCH v3 2/7] sched/fair: Add cgroup_mode: up Peter Zijlstra
2026-06-05 15:07   ` Peter Zijlstra
2026-06-30  9:03   ` [tip: sched/core] " tip-bot2 for Peter Zijlstra
2026-06-05 12:40 ` [PATCH v3 3/7] sched/fair: Add cgroup_mode: max Peter Zijlstra
2026-06-10 15:09   ` Waiman Long
2026-06-10 15:42     ` Waiman Long
2026-06-11 13:49       ` Peter Zijlstra
2026-06-11 13:47     ` Peter Zijlstra
2026-06-11 20:57       ` Waiman Long
2026-06-30  9:03   ` [tip: sched/core] " tip-bot2 for Peter Zijlstra
2026-06-05 12:40 ` [PATCH v3 4/7] sched/fair: Add cgroup_mode: concur Peter Zijlstra
2026-06-30  9:03   ` [tip: sched/core] " tip-bot2 for Peter Zijlstra
2026-06-05 12:40 ` [PATCH v3 5/7] sched/fair: Add cgroup_mode: tasks Peter Zijlstra
2026-06-30  9:03   ` [tip: sched/core] " tip-bot2 for Peter Zijlstra
2026-06-05 12:40 ` [PATCH v3 6/7] sched/fair: Change the default cgroup_mode to concur Peter Zijlstra
2026-06-30  9:03   ` [tip: sched/core] " tip-bot2 for Peter Zijlstra
2026-06-05 12:40 ` [PATCH v3 7/7] sched/eevdf: Move to a single runqueue Peter Zijlstra
2026-06-20  3:54   ` Chen, Yu C
2026-06-26 11:40     ` Peter Zijlstra
2026-06-29 14:02       ` Vincent Guittot
2026-06-30  9:03     ` [tip: sched/core] sched/fair: Fix overflow in update_tg_cfs_runnable() tip-bot2 for Chen, Yu C
2026-06-30  9:03   ` [tip: sched/core] sched/eevdf: Move to a single runqueue tip-bot2 for Peter Zijlstra (Intel)
2026-09-23 14:21   ` [REGRESSION] [PATCH v3 7/7] " Aishwarya Rambhadran
2026-09-23 16:48     ` Chen Yu
2026-09-24  7:05       ` K Prateek Nayak
2026-09-24  8:19       ` Mike Galbraith
2026-09-28  3:12         ` Chen Yu
2026-09-28 13:00           ` Mike Galbraith
2026-10-07 12:05             ` Aishwarya Rambhadran
2026-10-12 11:27               ` Mike Galbraith
2026-10-16 13:18   ` Jakub Okoński
2026-10-18  6:49     ` Mike Galbraith
2026-10-19 17:01       ` Vincent Guittot
2026-10-19 17:35         ` Jakub Okoński
2026-10-19 18:04           ` Vincent Guittot
2026-10-19 18:24             ` Jakub Okoński [this message]
2026-10-19 18:26               ` Vincent Guittot
2026-06-09  5:37 ` [PATCH v3 0/7] sched: Flatten the pick K Prateek Nayak
2026-06-12  2:29 ` Shubhang Kaushik
2026-08-17 16:05 ` Szabina Korbai
2026-08-17 16:35   ` K Prateek Nayak
2026-08-18  9:04     ` Szabina Korbai
2026-08-18  9:16       ` Peter Zijlstra
2026-08-21 10:37         ` Szabina Korbai
2026-08-24 14:51         ` Chen Yu
2026-08-24 13:53           ` Peter Zijlstra

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