From: Xuewen Yan <xuewen.yan@unisoc.com>
To: <vincent.guittot@linaro.org>, <dietmar.eggemann@arm.com>,
<mingo@redhat.com>, <peterz@infradead.org>,
<juri.lelli@redhat.com>, <qyousef@layalina.io>
Cc: <rostedt@goodmis.org>, <bsegall@google.com>, <mgorman@suse.de>,
<bristot@redhat.com>, <vschneid@redhat.com>,
<christian.loehle@arm.com>, <vincent.donnefort@arm.com>,
<ke.wang@unisoc.com>, <di.shen@unisoc.com>,
<xuewen.yan94@gmail.com>, <linux-kernel@vger.kernel.org>
Subject: [PATCH V2 0/2] sched/fair: Some improvements to feec()
Date: Mon, 24 Jun 2024 16:20:09 +0800 [thread overview]
Message-ID: <20240624082011.4990-1-xuewen.yan@unisoc.com> (raw)
Patch 1 clamp the util with per-CPU instand of per-PD when calc pd_busy_time.
Patch 2 use actual_cpu_capacity when judging util_fits_cpu to cover the case
which rq-uclamp-max would cause some corner case wrong.
Changelog:
V1:
https://lore.kernel.org/all/20240606070645.3295-1-xuewen.yan@unisoc.com/
v2:
(1) remove the eenv->pd_cap capping in eenv_pd_busy_time() for patch-1;
(2) change commit-message for patch-1;
(3) add patch 2.
Xuewen Yan (2):
sched/fair: Prevent cpu_busy_time from exceeding actual_cpu_capacity
sched/fair: Use actual_cpu_capacity everywhere in util_fits_cpu()
kernel/sched/fair.c | 28 ++++++++++++++--------------
1 file changed, 14 insertions(+), 14 deletions(-)
--
2.25.1
next reply other threads:[~2024-06-24 8:43 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-24 8:20 Xuewen Yan [this message]
2024-06-24 8:20 ` [PATCH V2 1/2] sched/fair: Prevent cpu_busy_time from exceeding actual_cpu_capacity Xuewen Yan
2024-06-25 13:04 ` Vincent Guittot
2024-06-27 2:02 ` Xuewen Yan
2024-06-27 16:15 ` Vincent Guittot
2024-06-28 1:39 ` Qais Yousef
2024-07-01 12:00 ` Xuewen Yan
2024-07-04 17:01 ` Pierre Gondois
2024-07-05 0:10 ` Qais Yousef
2024-06-24 8:20 ` [PATCH V2 2/2] sched/fair: Use actual_cpu_capacity everywhere in util_fits_cpu() Xuewen Yan
2024-06-25 8:46 ` Vincent Guittot
2024-06-28 1:28 ` Qais Yousef
2024-07-01 12:13 ` Xuewen Yan
2024-07-03 11:46 ` Qais Yousef
2024-07-02 13:25 ` Vincent Guittot
2024-07-03 11:54 ` Qais Yousef
2024-07-03 14:54 ` Vincent Guittot
2024-07-04 23:56 ` Qais Yousef
2024-07-05 6:25 ` Dietmar Eggemann
2024-07-16 11:56 ` Xuewen Yan
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