From: "Michal Koutný" <mkoutny@suse.com>
To: Chengming Zhou <zhouchengming@bytedance.com>
Cc: hannes@cmpxchg.org, tj@kernel.org, corbet@lwn.net,
surenb@google.com, mingo@redhat.com, peterz@infradead.org,
vincent.guittot@linaro.org, dietmar.eggemann@arm.com,
rostedt@goodmis.org, bsegall@google.com, cgroups@vger.kernel.org,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
songmuchun@bytedance.com
Subject: Re: [PATCH v2 00/10] sched/psi: some optimization and extension
Date: Mon, 15 Aug 2022 15:25:14 +0200 [thread overview]
Message-ID: <20220815132514.GB22640@blackbody.suse.cz> (raw)
In-Reply-To: <20220808110341.15799-1-zhouchengming@bytedance.com>
On Mon, Aug 08, 2022 at 07:03:31PM +0800, Chengming Zhou <zhouchengming@bytedance.com> wrote:
> This patch series are some optimization and extension for PSI,
BTW do you have some numbers/example how much these modifications save
when aggregated together?
Thanks,
Michal
WARNING: multiple messages have this Message-ID (diff)
From: "Michal Koutný" <mkoutny-IBi9RG/b67k@public.gmane.org>
To: Chengming Zhou <zhouchengming-EC8Uxl6Npydl57MIdRCFDg@public.gmane.org>
Cc: hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org,
tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
corbet-T1hC0tSOHrs@public.gmane.org,
surenb-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org,
mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org,
vincent.guittot-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
dietmar.eggemann-5wv7dgnIgG8@public.gmane.org,
rostedt-nx8X9YLhiw1AfugRpC6u6w@public.gmane.org,
bsegall-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org,
cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
songmuchun-EC8Uxl6Npydl57MIdRCFDg@public.gmane.org
Subject: Re: [PATCH v2 00/10] sched/psi: some optimization and extension
Date: Mon, 15 Aug 2022 15:25:14 +0200 [thread overview]
Message-ID: <20220815132514.GB22640@blackbody.suse.cz> (raw)
In-Reply-To: <20220808110341.15799-1-zhouchengming-EC8Uxl6Npydl57MIdRCFDg@public.gmane.org>
On Mon, Aug 08, 2022 at 07:03:31PM +0800, Chengming Zhou <zhouchengming-EC8Uxl6Npydl57MIdRCFDg@public.gmane.org> wrote:
> This patch series are some optimization and extension for PSI,
BTW do you have some numbers/example how much these modifications save
when aggregated together?
Thanks,
Michal
next prev parent reply other threads:[~2022-08-15 13:26 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-08 11:03 [PATCH v2 00/10] sched/psi: some optimization and extension Chengming Zhou
2022-08-08 11:03 ` Chengming Zhou
2022-08-08 11:03 ` [PATCH v2 01/10] sched/psi: fix periodic aggregation shut off Chengming Zhou
2022-08-08 11:03 ` [PATCH v2 02/10] sched/psi: optimize task switch inside shared cgroups again Chengming Zhou
2022-08-08 11:03 ` Chengming Zhou
2022-08-08 11:03 ` [PATCH v2 03/10] sched/psi: move private helpers to sched/stats.h Chengming Zhou
2022-08-08 11:03 ` [PATCH v2 04/10] sched/psi: don't change task psi_flags when migrate CPU/group Chengming Zhou
2022-08-08 11:03 ` [PATCH v2 05/10] sched/psi: don't create cgroup PSI files when psi_disabled Chengming Zhou
2022-08-08 11:03 ` [PATCH v2 06/10] sched/psi: save percpu memory when !psi_cgroups_enabled Chengming Zhou
2022-08-08 11:03 ` [PATCH v2 07/10] sched/psi: remove NR_ONCPU task accounting Chengming Zhou
2022-08-16 10:40 ` Chengming Zhou
2022-08-08 11:03 ` [PATCH v2 08/10] sched/psi: add PSI_IRQ to track IRQ/SOFTIRQ pressure Chengming Zhou
2022-08-08 11:03 ` [PATCH v2 09/10] sched/psi: per-cgroup PSI stats disable/re-enable interface Chengming Zhou
2022-08-09 17:48 ` Tejun Heo
2022-08-09 17:48 ` Tejun Heo
2022-08-10 0:39 ` Chengming Zhou
2022-08-10 0:39 ` Chengming Zhou
2022-08-10 1:30 ` Chengming Zhou
2022-08-10 1:30 ` Chengming Zhou
2022-08-10 15:25 ` Johannes Weiner
2022-08-10 17:27 ` Tejun Heo
2022-08-11 2:09 ` Chengming Zhou
2022-08-15 13:23 ` Michal Koutný
2022-08-15 13:23 ` Michal Koutný
2022-08-23 6:18 ` Chengming Zhou
2022-08-23 6:18 ` Chengming Zhou
2022-08-23 15:35 ` Johannes Weiner
2022-08-23 15:43 ` Chengming Zhou
2022-08-23 15:43 ` Chengming Zhou
2022-08-23 16:20 ` Tejun Heo
2022-08-23 16:20 ` Tejun Heo
2022-08-12 10:14 ` Michal Koutný
2022-08-12 10:14 ` Michal Koutný
2022-08-12 12:36 ` Chengming Zhou
2022-08-12 12:36 ` Chengming Zhou
2022-08-15 13:23 ` Michal Koutný
2022-08-15 15:49 ` Johannes Weiner
2022-08-15 19:50 ` Tejun Heo
2022-08-15 19:50 ` Tejun Heo
2022-08-16 13:06 ` Chengming Zhou
2022-08-16 13:06 ` Chengming Zhou
2022-08-08 11:03 ` [PATCH v2 10/10] sched/psi: cache parent psi_group to speed up groups iterate Chengming Zhou
2022-08-15 13:25 ` Michal Koutný [this message]
2022-08-15 13:25 ` [PATCH v2 00/10] sched/psi: some optimization and extension Michal Koutný
2022-08-16 14:01 ` Chengming Zhou
2022-08-16 14:01 ` Chengming Zhou
2022-08-17 15:19 ` Chengming Zhou
2022-08-17 15:19 ` Chengming Zhou
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