From: Kayra Cizmeci <kayracizmeci@gmail.com>
To: vincent.guittot@linaro.org
Cc: arighi@nvidia.com, bsegall@google.com, changwoo@igalia.com,
christian.loehle@arm.com, dietmar.eggemann@arm.com,
juri.lelli@redhat.com, kayracizmeci@gmail.com,
kprateek.nayak@amd.com, linux-kernel@vger.kernel.org,
linux-pm@vger.kernel.org, lukasz.luba@arm.com, mgorman@suse.de,
mingo@redhat.com, peterz@infradead.org, pierre.gondois@arm.com,
qyousef@layalina.io, rafael@kernel.org, rostedt@goodmis.org,
sched-ext@lists.linux.dev, sshegde@linux.ibm.com, tj@kernel.org,
void@manifault.com, vschneid@redhat.com
Subject: Re: [PATCH 10/18 v2] sched/fair: Add force push task mechanism for fair
Date: Mon, 12 Oct 2026 16:40:35 +0300 [thread overview]
Message-ID: <20261012134035.2757-1-kayracizmeci@gmail.com> (raw)
In-Reply-To: <CAKfTPtBDcfk+TEEjD07RBLpCAusKqa0K4AWuFrcCtdw9uGsXCQ@mail.gmail.com>
> The push mecanism part is generic and includes a push on put prev and
> a push on tick when the task is alone and never put back in the
> runnable list. For short slice tasks, we don't use the push on tick as
> there is no reason to push a short slice task that is alone on the
> cpu. The push on tick will be useful for other cases like misfit task,
> EAS and cache aware. The latters are not part of this patch
Thanks for clarifying!
Kayra
next prev parent reply other threads:[~2026-10-12 13:40 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-02 15:43 [PATCH 00/18 v2] Improving latency of short slice tasks Vincent Guittot
2026-10-02 15:43 ` [PATCH 01/18 v2] sched/eevdf: Decay positive lag of sleeping entities Vincent Guittot
2026-10-02 15:43 ` [PATCH 02/18] sched/eevdf: Reset lag when waking up on idle cpu Vincent Guittot
2026-10-04 17:30 ` Kayra Cizmeci
2026-10-09 13:35 ` Vincent Guittot
2026-10-02 15:44 ` [PATCH 03/18 v2] sched/eevdf: Add per cpu cached min_slice Vincent Guittot
2026-10-02 15:44 ` [PATCH 04/18 v2] sched/eevdf: Compare min slice during wake_affine Vincent Guittot
2026-10-05 15:58 ` Kayra Cizmeci
2026-10-02 15:44 ` [PATCH 05/18 v2] sched/eevdf: Add min slice check when selecting CPU Vincent Guittot
2026-10-04 19:18 ` Kayra Cizmeci
2026-10-02 15:44 ` [PATCH 06/18 v2] sched/fair: Prepare select_task_rq_fair() to be called for new cases Vincent Guittot
2026-10-06 22:25 ` Tim Chen
2026-10-09 13:36 ` Vincent Guittot
2026-10-02 15:44 ` [PATCH 07/18] sched/fair: Add push task mechanism for fair Vincent Guittot
2026-10-07 2:45 ` Chen Yu
2026-10-09 13:38 ` Vincent Guittot
2026-10-09 14:31 ` Vincent Guittot
2026-10-10 15:42 ` Chen Yu
2026-10-12 9:18 ` Vincent Guittot
2026-10-12 14:06 ` Shrikanth Hegde
2026-10-02 15:44 ` [PATCH 08/18] sched/fair: Optimize " Vincent Guittot
2026-10-02 15:44 ` [PATCH 09/18 v2] sched/core: Add rq flag to tick parameters Vincent Guittot
2026-10-02 15:44 ` [PATCH 10/18 v2] sched/fair: Add force push task mechanism for fair Vincent Guittot
2026-10-06 19:24 ` Kayra Cizmeci
2026-10-09 14:01 ` Vincent Guittot
2026-10-09 5:53 ` Kayra Cizmeci
2026-10-09 14:04 ` Vincent Guittot
2026-10-09 14:47 ` Vincent Guittot
2026-10-11 17:40 ` Kayra Cizmeci
2026-10-12 8:18 ` Vincent Guittot
2026-10-12 13:40 ` Kayra Cizmeci [this message]
2026-10-02 15:44 ` [PATCH 11/18 v2] sched/fair: Support not wakeup case in select_idle_sibling Vincent Guittot
2026-10-07 17:55 ` Tim Chen
2026-10-09 14:06 ` Vincent Guittot
2026-10-02 15:44 ` [PATCH 12/18 v2] sched/eevdf: Try to push short slice task on a better CPU Vincent Guittot
2026-10-02 15:44 ` [PATCH 13/18 v2] sched/eevdf: Push short slice task that are not picked Vincent Guittot
2026-10-02 15:44 ` [PATCH 14/18 v2] sched/fair: Enable push task for preempt short Vincent Guittot
2026-10-09 11:16 ` Kayra Cizmeci
2026-10-09 14:07 ` Vincent Guittot
2026-10-02 15:44 ` [PATCH 15/18 v2] energy model: Add a get previous state function Vincent Guittot
2026-10-02 15:44 ` [PATCH 16/18 v2] sched/fair: Rework feec() to use cost instead of spare capacity Vincent Guittot
2026-10-02 15:44 ` [PATCH 17/18 v2] energy model: Remove unused em_cpu_energy() Vincent Guittot
2026-10-02 15:44 ` [PATCH 18/18 v2] sched/fair: Take into account slice in EAS Vincent Guittot
2026-10-07 14:36 ` Kayra Cizmeci
2026-10-08 22:53 ` Tim Chen
2026-10-09 6:31 ` Kayra Cizmeci
2026-10-09 14:17 ` Vincent Guittot
2026-10-08 19:12 ` [PATCH 00/18 v2] Improving latency of short slice tasks Kayra Cizmeci
2026-10-09 14:56 ` Vincent Guittot
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