From: "Michal Koutný" <mkoutny@suse.com>
To: Ivan Babrou <ivan@cloudflare.com>
Cc: Shakeel Butt <shakeelb@google.com>,
Daniel Dao <dqminh@cloudflare.com>,
kernel-team <kernel-team@cloudflare.com>,
Linux MM <linux-mm@kvack.org>,
Johannes Weiner <hannes@cmpxchg.org>,
Roman Gushchin <guro@fb.com>, Feng Tang <feng.tang@intel.com>,
Michal Hocko <mhocko@kernel.org>, Hillf Danton <hdanton@sina.com>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: Regression in workingset_refault latency on 5.15
Date: Wed, 2 Mar 2022 11:08:21 +0100 [thread overview]
Message-ID: <20220302100821.GB10867@blackbody.suse.cz> (raw)
In-Reply-To: <CABWYdi1qK8P2LT2HL8B9sM8oGP4dQnsCjtUgZP1xkrQbHDk_pA@mail.gmail.com>
On Tue, Mar 01, 2022 at 04:48:00PM -0800, Ivan Babrou <ivan@cloudflare.com> wrote:
> avg = 1100789 nsecs, total: 27051906434 nsecs, count: 24575
Thank you for checking.
> Looks like you were right that targeted flush is not going to be as good.
Still lots of work to do at once :-/
BTW what was the "last good" kernel that you use as baseline for
comparisons? (I can't find it in the thread and I only assume we're
comparing against pre-rstat switch, i.e. last good < v5.13?)
Regards,
Michal
next prev parent reply other threads:[~2022-03-02 10:08 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-23 13:51 Regression in workingset_refault latency on 5.15 Daniel Dao
2022-02-23 15:57 ` Shakeel Butt
2022-02-23 16:00 ` Shakeel Butt
2022-02-23 17:07 ` Daniel Dao
2022-02-23 17:36 ` Shakeel Butt
2022-02-23 19:28 ` Ivan Babrou
2022-02-23 20:28 ` Shakeel Butt
2022-02-23 21:16 ` Ivan Babrou
2022-02-24 14:46 ` Daniel Dao
2022-02-24 16:58 ` Shakeel Butt
2022-02-24 17:34 ` Daniel Dao
2022-02-24 18:00 ` Shakeel Butt
2022-02-24 18:52 ` Shakeel Butt
2022-02-25 10:23 ` Daniel Dao
2022-02-25 17:08 ` Ivan Babrou
2022-02-25 17:22 ` Shakeel Butt
2022-02-25 18:03 ` Michal Koutný
2022-02-25 18:08 ` Ivan Babrou
2022-02-28 23:09 ` Shakeel Butt
2022-02-28 23:34 ` Ivan Babrou
2022-02-28 23:43 ` Shakeel Butt
2022-03-02 0:48 ` Ivan Babrou
2022-03-02 2:50 ` Shakeel Butt
2022-03-02 3:40 ` Ivan Babrou
2022-03-02 22:33 ` Ivan Babrou
2022-03-03 2:32 ` Shakeel Butt
2022-03-03 2:35 ` Shakeel Butt
2022-03-04 0:21 ` Ivan Babrou
2022-03-04 1:05 ` Shakeel Butt
2022-03-04 1:12 ` Ivan Babrou
2022-03-02 11:49 ` Frank Hofmann
2022-03-02 15:52 ` Shakeel Butt
2022-03-02 10:08 ` Michal Koutný [this message]
2022-03-02 15:53 ` Shakeel Butt
2022-03-02 17:28 ` Ivan Babrou
2022-02-24 9:22 ` Thorsten Leemhuis
2022-04-11 10:17 ` Regression in workingset_refault latency on 5.15 #forregzbot Thorsten Leemhuis
2022-05-16 12:51 ` Thorsten Leemhuis
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