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From: Tejun Heo <tj@kernel.org>
To: Joel Fernandes <joel@joelfernandes.org>
Cc: "Hao Luo" <haoluo@google.com>,
	"Peter Zijlstra" <peterz@infradead.org>,
	"Hyser,Chris" <chris.hyser@oracle.com>,
	"Josh Don" <joshdon@google.com>, "Ingo Molnar" <mingo@kernel.org>,
	"Vincent Guittot" <vincent.guittot@linaro.org>,
	"Valentin Schneider" <valentin.schneider@arm.com>,
	"Mel Gorman" <mgorman@suse.de>,
	LKML <linux-kernel@vger.kernel.org>,
	"Thomas Glexiner" <tglx@linutronix.de>,
	"Michal Koutný" <mkoutny@suse.com>,
	"Christian Brauner" <christian.brauner@ubuntu.com>,
	"Zefan Li" <lizefan.x@bytedance.com>
Subject: Re: [PATCH 0/9] sched: Core scheduling interfaces
Date: Tue, 6 Apr 2021 10:16:12 -0400	[thread overview]
Message-ID: <YGxtLOxCb4LO8kN0@slm.duckdns.org> (raw)
In-Reply-To: <CAEXW_YSS0ex8xK7t2R7c1jiE4eNbwxdwP2uyGPDK78YAaYQr5A@mail.gmail.com>

Hello,

On Mon, Apr 05, 2021 at 02:46:09PM -0400, Joel Fernandes wrote:
> Yeah, its at http://lore.kernel.org/r/20200822030155.GA414063@google.com
> as mentioned above, let me know if you need any more details about
> usecase.

Except for the unspecified reason in usecase 4, I don't see why cgroup is in
the picture at all. This doesn't really have much to do with hierarchical
resource distribution. Besides, yes, you can use cgroup for logical
structuring and identificaiton purposes but in those cases the interactions
and interface should be with the original subsystem while using cgroup IDs
or paths as parameters - see tracing and bpf for examples.

Thanks.

-- 
tejun

  reply	other threads:[~2021-04-06 14:16 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-01 13:10 Peter Zijlstra
2021-04-01 13:10 ` [PATCH 1/9] sched: Allow sched_core_put() from atomic context Peter Zijlstra
2021-04-01 13:10 ` [PATCH 2/9] sched: Implement core-sched assertions Peter Zijlstra
2021-04-01 13:10 ` [PATCH 3/9] sched: Trivial core scheduling cookie management Peter Zijlstra
2021-04-01 20:04   ` Josh Don
2021-04-02  7:13     ` Peter Zijlstra
2021-04-01 13:10 ` [PATCH 4/9] sched: Default core-sched policy Peter Zijlstra
2021-04-21 13:33   ` Peter Zijlstra
2021-04-21 14:31     ` Chris Hyser
2021-04-01 13:10 ` [PATCH 5/9] sched: prctl() core-scheduling interface Peter Zijlstra
2021-04-07 17:00   ` Peter Zijlstra
2021-04-18  3:52     ` Joel Fernandes
2021-04-01 13:10 ` [PATCH 6/9] kselftest: Add test for core sched prctl interface Peter Zijlstra
2021-04-01 13:10 ` [PATCH 7/9] sched: Cgroup core-scheduling interface Peter Zijlstra
2021-04-02  0:34   ` Josh Don
2021-04-01 13:10 ` [PATCH 8/9] rbtree: Remove const from the rb_find_add() comparator Peter Zijlstra
2021-04-01 13:10 ` [PATCH 9/9] sched: prctl() and cgroup interaction Peter Zijlstra
2021-04-03  1:30   ` Josh Don
2021-04-06 15:12     ` Peter Zijlstra
2021-04-04 23:39 ` [PATCH 0/9] sched: Core scheduling interfaces Tejun Heo
2021-04-05 18:46   ` Joel Fernandes
2021-04-06 14:16     ` Tejun Heo [this message]
2021-04-18  1:35       ` Joel Fernandes
2021-04-19  9:00         ` Peter Zijlstra
2021-04-21 13:35           ` Peter Zijlstra
2021-04-21 14:45             ` Chris Hyser
2021-04-06 15:32   ` Peter Zijlstra
2021-04-06 16:08     ` Tejun Heo
2021-04-07 18:39       ` Peter Zijlstra
2021-04-07 16:50   ` Michal Koutný
2021-04-07 18:34     ` Peter Zijlstra
2021-04-08 13:25       ` Michal Koutný
2021-04-08 15:02         ` Peter Zijlstra
2021-04-09  0:16           ` Josh Don
2021-04-19 11:30       ` Tejun Heo
2021-04-20  1:17         ` Josh Don

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