From: "Jakub Okoński" <jakub@okonski.org>
To: Vincent Guittot <vincent.guittot@linaro.org>,
Mike Galbraith <efault@gmx.de>
Cc: 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 19:35:58 +0200 [thread overview]
Message-ID: <f1d0fc39-6939-4fb3-a422-273cd5c347c4@okonski.org> (raw)
In-Reply-To: <atZM6uF0CqCNh__I@vingu-cube>
Hi Vincent,
Your patch fixes my cpu.idle test case.
On 10/19/26 19:01, Vincent Guittot wrote:
> /*
> - * Preempt the current task with a newly woken task if needed:
> + * Preempt an idle entity in favor of a non-idle entity (and don't preempt
> + * in the inverse case).
> + */
> +static bool wakeup_preempt_sched_idle(struct sched_entity *cse, struct sched_entity *pse)
This should return enum preempt_wakeup_action. But with that change, on
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.
next prev parent reply other threads:[~2026-10-19 17:36 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 [this message]
2026-10-19 18:04 ` Vincent Guittot
2026-10-19 18:24 ` Jakub Okoński
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=f1d0fc39-6939-4fb3-a422-273cd5c347c4@okonski.org \
--to=jakub@okonski.org \
--cc=bsegall@google.com \
--cc=cgroups@vger.kernel.org \
--cc=chenridong@huaweicloud.com \
--cc=dietmar.eggemann@arm.com \
--cc=efault@gmx.de \
--cc=hannes@cmpxchg.org \
--cc=jstultz@google.com \
--cc=juri.lelli@redhat.com \
--cc=kprateek.nayak@amd.com \
--cc=linux-kernel@vger.kernel.org \
--cc=longman@redhat.com \
--cc=mgorman@suse.de \
--cc=mingo@kernel.org \
--cc=mkoutny@suse.com \
--cc=peterz@infradead.org \
--cc=qyousef@layalina.io \
--cc=rostedt@goodmis.org \
--cc=tj@kernel.org \
--cc=vincent.guittot@linaro.org \
--cc=vschneid@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®