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From: "Michal Koutný" <mkoutny@suse.com>
To: Vincent Guittot <vincent.guittot@linaro.org>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
	Phil Auld <pauld@redhat.com>, Ingo Molnar <mingo@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Juri Lelli <juri.lelli@redhat.com>,
	Dietmar Eggemann <dietmar.eggemann@arm.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	Ben Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>,
	Daniel Bristot de Oliveira <bristot@redhat.com>,
	Odin Ugedal <odin@uged.al>, Rik van Riel <riel@surriel.com>,
	Giovanni Gherdovich <ggherdovich@suse.cz>
Subject: Re: [RFC PATCH v2 4/5] sched/fair: Simplify load_cfs_rq_list maintenance
Date: Tue, 14 Sep 2021 11:22:07 +0200	[thread overview]
Message-ID: <20210914092207.GA23743@blackbody.suse.cz> (raw)
In-Reply-To: <CAKfTPtCAxksmsR6DJuAoSZ7XTon+gesyic36EHL-nQk0LiHWQg@mail.gmail.com>

On Fri, Sep 10, 2021 at 04:19:27PM +0200, Vincent Guittot <vincent.guittot@linaro.org> wrote:
> Your proposal looks interesting but I need more time to make sure that
> all cases are covered. We have faced several odd corner cases and
> sequences in the past that I need time to check that you don't put
> some back

Do you have any pointers to the cases that come to your mind? I wonder
if those could be reproduced with a simple setup.
(FTR, I used the LTP test (at b673f49ae) cfs_bandwidth01 to check this change.)

Thanks,
Michal

  reply	other threads:[~2021-09-14  9:22 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-19 17:50 [RFC PATCH v2 0/5] leaf_cfs_rq_list cleanups and fix Michal Koutný
2021-08-19 17:50 ` [RFC PATCH v2 1/5] sched/fair: Add ancestors of unthrottled undecayed cfs_rq Michal Koutný
2021-09-09 13:57   ` Vincent Guittot
2021-09-10 11:35     ` Michal Koutný
2021-09-10 13:17       ` Vincent Guittot
2021-08-19 17:50 ` [RFC PATCH v2 2/5] sched: Add group_se() helper Michal Koutný
2021-08-19 17:50 ` [RFC PATCH v2 3/5] sched/fair: Rename leaf_list to more fitting load_list Michal Koutný
2021-09-21 19:06   ` Odin Ugedal
2021-08-19 17:50 ` [RFC PATCH v2 4/5] sched/fair: Simplify load_cfs_rq_list maintenance Michal Koutný
2021-09-10 14:19   ` Vincent Guittot
2021-09-14  9:22     ` Michal Koutný [this message]
2021-09-14  9:45       ` Vincent Guittot
2021-09-15 12:30         ` Vincent Guittot
2021-09-15 18:59           ` Odin Ugedal
2021-09-21 19:21             ` Odin Ugedal
2021-09-21 21:40               ` Michal Koutný
2021-08-19 17:50 ` [RFC PATCH v2 5/5] sched/fair: Simplify ancestor enqueue loops Michal Koutný
2021-09-09 14:04   ` Vincent Guittot
2021-09-10 11:35     ` Michal Koutný
2021-09-10 11:43       ` Vincent Guittot

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