From: Peter Zijlstra <peterz@infradead.org>
To: Abel Wu <wuyun.abel@bytedance.com>
Cc: Ingo Molnar <mingo@kernel.org>,
Vincent Guittot <vincent.guittot@linaro.org>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Valentin Schneider <valentin.schneider@arm.com>,
Barry Song <21cnbao@gmail.com>,
Benjamin Segall <bsegall@google.com>,
Chen Yu <yu.c.chen@intel.com>,
Daniel Jordan <daniel.m.jordan@oracle.com>,
"Gautham R . Shenoy" <gautham.shenoy@amd.com>,
Joel Fernandes <joel@joelfernandes.org>,
K Prateek Nayak <kprateek.nayak@amd.com>,
Mike Galbraith <efault@gmx.de>, Qais Yousef <qyousef@layalina.io>,
Tim Chen <tim.c.chen@linux.intel.com>,
Yicong Yang <yangyicong@huawei.com>,
Youssef Esmat <youssefesmat@chromium.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/4] sched/eevdf: Sort the rbtree by virtual deadline
Date: Tue, 7 Nov 2023 12:03:27 +0100 [thread overview]
Message-ID: <20231107110327.GU8262@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <20231107090510.71322-3-wuyun.abel@bytedance.com>
On Tue, Nov 07, 2023 at 05:05:08PM +0800, Abel Wu wrote:
> Sort the task timeline by virtual deadline and keep the min_vruntime
> in the augmented tree, so we can avoid doubling the worst case cost
> and make full use of the cached leftmost node to enable O(1) fastpath
> picking in next patch.
Another very good patch, just a note:
> This patch also cleans up the unused max_vruntime() and adjusts pos
> for some functions.
There's this thing about saying 'this patch' in Changelogs, per
definition the Changelog is about 'this patch' so saying it is a bit
redundant.
It even gets mentioned in the Documentation on submitting patches
somewhere.
But what I care about more is this patch doing extra unrelated things,
this should be split out.
next prev parent reply other threads:[~2023-11-07 11:04 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-07 9:05 [PATCH 0/4] sched/eevdf: Optimize reweight and pick Abel Wu
2023-11-07 9:05 ` [PATCH 1/4] sched/eevdf: Fix vruntime adjustment on reweight Abel Wu
2023-11-07 9:52 ` Peter Zijlstra
2023-11-14 21:57 ` [tip: sched/urgent] " tip-bot2 for Abel Wu
2023-11-15 15:36 ` [PATCH 1/4] " Yiwei Lin
2023-11-16 4:48 ` Abel Wu
2023-11-16 4:59 ` Yiwei Lin
2023-11-16 9:01 ` Abel Wu
2023-11-16 5:07 ` Abel Wu
2023-11-16 6:51 ` Yiwei Lin
2023-11-16 7:11 ` Abel Wu
2024-02-29 9:24 ` Tianchen Ding
2024-02-29 14:25 ` Abel Wu
2024-03-01 6:41 ` Tianchen Ding
2024-03-01 8:30 ` Abel Wu
2024-03-01 10:04 ` Tianchen Ding
2023-11-07 9:05 ` [PATCH 2/4] sched/eevdf: Sort the rbtree by virtual deadline Abel Wu
2023-11-07 11:03 ` Peter Zijlstra [this message]
2023-11-07 11:06 ` Abel Wu
2023-11-07 23:26 ` Benjamin Segall
2023-11-08 8:51 ` Abel Wu
2023-11-07 9:05 ` [PATCH 3/4] sched/eevdf: O(1) fastpath for task selection Abel Wu
2023-11-07 10:12 ` Abel Wu
2023-11-07 10:42 ` Peter Zijlstra
2023-11-07 9:05 ` [PATCH 4/4] sched/stats: branch statistics for pick_eevdf Abel Wu
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