From: Tianchen Ding <dtcccc@linux.alibaba.com>
To: "解 咏梅" <xieym_ict@hotmail.com>
Cc: Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Juri Lelli <juri.lelli@redhat.com>,
Vincent Guittot <vincent.guittot@linaro.org>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Steven Rostedt <rostedt@goodmis.org>,
Ben Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>,
Valentin Schneider <vschneid@redhat.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2] sched/eevdf: Force propagating min_slice of cfs_rq when a task changing slice
Date: Thu, 14 Nov 2024 15:47:09 +0800 [thread overview]
Message-ID: <1d2ad284-c887-4377-9512-a74dc418efa1@linux.alibaba.com> (raw)
In-Reply-To: <ME0P300MB041447EBB0A17918745695898E5B2@ME0P300MB0414.AUSP300.PROD.OUTLOOK.COM>
On 2024/11/14 15:33, 解 咏梅 wrote:
> delayed dequeue is nessary for eevdf to maintain lag. Paw’s relative vruntime is
> not necessary any more in migration path.
>
>
> it is not a tuning option.
>
> regards,
> Yongmei
I don't know why you so focus on DELAY_DEQUEUE, it is not related to the case I
explained.
The case is about cgroup hierarchy. And the task_A in my case is already blocked
and *out of rq*
I'm talking about its enqueue path when woken up.
next prev parent reply other threads:[~2024-11-14 7:47 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-28 6:33 [RFC PATCH 0/2] sched/eevdf: Introduce a cgroup interface for slice Tianchen Ding
2024-10-28 6:33 ` [PATCH] sched/eevdf: Force propagating min_slice of cfs_rq when a task changing slice Tianchen Ding
2024-10-30 8:18 ` kernel test robot
2024-10-30 9:11 ` Tianchen Ding
2024-10-31 9:48 ` [PATCH v2] " Tianchen Ding
2024-11-12 3:25 ` Tianchen Ding
2024-11-13 11:50 ` 回复: " 解 咏梅
2024-11-14 2:45 ` Tianchen Ding
2024-11-14 6:06 ` 回复: " 解 咏梅
2024-11-14 6:36 ` Tianchen Ding
[not found] ` <ME0P300MB041447EBB0A17918745695898E5B2@ME0P300MB0414.AUSP300.PROD.OUTLOOK.COM>
2024-11-14 7:47 ` Tianchen Ding [this message]
2024-11-14 13:44 ` 回复: " 解 咏梅
2024-10-28 6:33 ` [RFC PATCH 2/2] sched/eevdf: Introduce a cgroup interface for slice Tianchen Ding
2024-10-28 17:37 ` Tejun Heo
2024-10-29 2:07 ` Tianchen Ding
2024-10-29 6:18 ` Tejun Heo
2024-10-29 6:49 ` Tianchen Ding
2024-10-29 20:39 ` Tejun Heo
[not found] ` <ME0P300MB0414F63E895B2F343EE740258E4B2@ME0P300MB0414.AUSP300.PROD.OUTLOOK.COM>
2024-10-29 4:26 ` 回复: " 解 咏梅
2024-10-30 11:00 ` Peter Zijlstra
2024-10-30 14:54 ` Tianchen Ding
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