From: Li Zefan <lizf@cn.fujitsu.com>
To: Dhaval Giani <dhaval@linux.vnet.ibm.com>
Cc: Balbir Singh <balbir@linux.vnet.ibm.com>,
bharata@linux.vnet.ibm.com,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Paul Menage <menage@google.com>,
linux-kernel@vger.kernel.org,
Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Ingo Molnar <mingo@elte.hu>
Subject: Re: [PATCH] Add hierarchical accounting to cpu accounting controller
Date: Wed, 05 Nov 2008 11:31:32 +0800 [thread overview]
Message-ID: <49111394.1070304@cn.fujitsu.com> (raw)
In-Reply-To: <20081030171622.GA19872@linux.vnet.ibm.com>
>> cpuacct was designed to count cpu usage of a group of tasks, and now some people
>> want it to also take child group's usage into account, so I think this is a feature
>> request but not a bug fix.
>>
>
> I disagree. The child is a part of the parent's hierarchy, and therefore
> its usage should reflect in the parent's usage.
>
In memcg the child's usage doesn't reflect in its parent's usage. ;)
Balbir just posted a patchset to add hierarchy support in memcg, and added memory.feature
to disable/enable this feature. Is it for performance only or also for keeping the user
interface/behavior unchanged?
next prev parent reply other threads:[~2008-11-05 3:34 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-23 5:43 [PATCH] Add hierarchical accounting to cpu accounting controller Bharata B Rao
2008-10-23 6:41 ` Bharata B Rao
2008-10-23 15:49 ` Paul Menage
2008-10-24 5:08 ` Bharata B Rao
2008-10-24 17:37 ` Paul Menage
2008-10-25 6:01 ` Bharata B Rao
2008-10-25 15:38 ` Paul Menage
2008-10-27 1:17 ` KAMEZAWA Hiroyuki
2008-10-27 4:43 ` Bharata B Rao
2008-10-27 6:57 ` Balbir Singh
2008-10-27 8:25 ` Li Zefan
2008-10-30 17:16 ` Dhaval Giani
2008-10-31 0:40 ` KAMEZAWA Hiroyuki
2008-11-04 12:49 ` Bharata B Rao
2008-11-04 17:20 ` Randy Dunlap
2008-11-05 3:24 ` Bharata B Rao
2008-11-05 3:29 ` Srivatsa Vaddagiri
2008-11-10 10:21 ` Dhaval Giani
2008-11-10 13:09 ` Ingo Molnar
2008-11-10 15:11 ` Bharata B Rao
2008-11-11 11:13 ` Ingo Molnar
2008-11-05 6:17 ` Li Zefan
2008-11-06 6:43 ` Balbir Singh
2008-11-10 10:22 ` Peter Zijlstra
2008-11-10 13:05 ` Balbir Singh
2008-11-05 3:31 ` Li Zefan [this message]
2008-11-05 3:48 ` KAMEZAWA Hiroyuki
2008-10-27 5:54 ` Li Zefan
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