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From: Balbir Singh <balbir@linux.vnet.ibm.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: linux-mm@kvack.org, YAMAMOTO Takashi <yamamoto@valinux.co.jp>,
	Paul Menage <menage@google.com>,
	lizf@cn.fujitsu.com, linux-kernel@vger.kernel.org,
	Nick Piggin <nickpiggin@yahoo.com.au>,
	David Rientjes <rientjes@google.com>,
	Pavel Emelianov <xemul@openvz.org>,
	Dhaval Giani <dhaval@linux.vnet.ibm.com>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [RFC][mm] [PATCH 2/4] Memory cgroup resource counters for hierarchy (v2)
Date: Tue, 11 Nov 2008 10:22:51 +0530	[thread overview]
Message-ID: <49190FA3.3040003@linux.vnet.ibm.com> (raw)
In-Reply-To: <20081111120427.bbb64a44.kamezawa.hiroyu@jp.fujitsu.com>

KAMEZAWA Hiroyuki wrote:
> On Sat, 08 Nov 2008 14:40:47 +0530
> Balbir Singh <balbir@linux.vnet.ibm.com> wrote:
> 
>> Add support for building hierarchies in resource counters. Cgroups allows us
>> to build a deep hierarchy, but we currently don't link the resource counters
>> belonging to the memory controller control groups, in the same fashion
>> as the corresponding cgroup entries in the cgroup hierarchy. This patch
>> provides the infrastructure for resource counters that have the same hiearchy
>> as their cgroup counter parts.
>>
>> These set of patches are based on the resource counter hiearchy patches posted
>> by Pavel Emelianov.
>>
>> NOTE: Building hiearchies is expensive, deeper hierarchies imply charging
>> the all the way up to the root. It is known that hiearchies are expensive,
>> so the user needs to be careful and aware of the trade-offs before creating
>> very deep ones.
>>
> Do you have numbers ?
> 

I am getting those numbers, I'll post them soon.

-- 
	Balbir

WARNING: multiple messages have this Message-ID (diff)
From: Balbir Singh <balbir@linux.vnet.ibm.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: linux-mm@kvack.org, YAMAMOTO Takashi <yamamoto@valinux.co.jp>,
	Paul Menage <menage@google.com>,
	lizf@cn.fujitsu.com, linux-kernel@vger.kernel.org,
	Nick Piggin <nickpiggin@yahoo.com.au>,
	David Rientjes <rientjes@google.com>,
	Pavel Emelianov <xemul@openvz.org>,
	Dhaval Giani <dhaval@linux.vnet.ibm.com>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [RFC][mm] [PATCH 2/4] Memory cgroup resource counters for hierarchy (v2)
Date: Tue, 11 Nov 2008 10:22:51 +0530	[thread overview]
Message-ID: <49190FA3.3040003@linux.vnet.ibm.com> (raw)
In-Reply-To: <20081111120427.bbb64a44.kamezawa.hiroyu@jp.fujitsu.com>

KAMEZAWA Hiroyuki wrote:
> On Sat, 08 Nov 2008 14:40:47 +0530
> Balbir Singh <balbir@linux.vnet.ibm.com> wrote:
> 
>> Add support for building hierarchies in resource counters. Cgroups allows us
>> to build a deep hierarchy, but we currently don't link the resource counters
>> belonging to the memory controller control groups, in the same fashion
>> as the corresponding cgroup entries in the cgroup hierarchy. This patch
>> provides the infrastructure for resource counters that have the same hiearchy
>> as their cgroup counter parts.
>>
>> These set of patches are based on the resource counter hiearchy patches posted
>> by Pavel Emelianov.
>>
>> NOTE: Building hiearchies is expensive, deeper hierarchies imply charging
>> the all the way up to the root. It is known that hiearchies are expensive,
>> so the user needs to be careful and aware of the trade-offs before creating
>> very deep ones.
>>
> Do you have numbers ?
> 

I am getting those numbers, I'll post them soon.

-- 
	Balbir

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  reply	other threads:[~2008-11-11  4:53 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-11-08  9:10 [RFC][mm][PATCH 0/4] Memory cgroup hierarchy introduction (v2) Balbir Singh
2008-11-08  9:10 ` Balbir Singh
2008-11-08  9:10 ` [RFC][mm] [PATCH 1/4] Memory cgroup hierarchy documentation (v2) Balbir Singh
2008-11-08  9:10   ` Balbir Singh
2008-11-08  9:10 ` [RFC][mm] [PATCH 2/4] Memory cgroup resource counters for hierarchy (v2) Balbir Singh
2008-11-08  9:10   ` Balbir Singh
2008-11-11  3:04   ` KAMEZAWA Hiroyuki
2008-11-11  3:04     ` KAMEZAWA Hiroyuki
2008-11-11  4:52     ` Balbir Singh [this message]
2008-11-11  4:52       ` Balbir Singh
2008-11-08  9:11 ` [RFC][mm] [PATCH 3/4] Memory cgroup hierarchical reclaim (v2) Balbir Singh
2008-11-08  9:11   ` Balbir Singh
2008-11-11  3:06   ` KAMEZAWA Hiroyuki
2008-11-11  3:06     ` KAMEZAWA Hiroyuki
2008-11-11  4:47     ` Balbir Singh
2008-11-11  4:47       ` Balbir Singh
2008-11-11  5:01       ` KAMEZAWA Hiroyuki
2008-11-11  5:01         ` KAMEZAWA Hiroyuki
2008-11-11  6:24         ` Balbir Singh
2008-11-11  6:24           ` Balbir Singh
2008-11-08  9:11 ` [RFC][mm] [PATCH 4/4] Memory cgroup hierarchy feature selector (v2) Balbir Singh
2008-11-08  9:11   ` Balbir Singh
2008-11-08  9:39   ` Li Zefan
2008-11-08  9:39     ` Li Zefan
2008-11-08  9:49     ` Balbir Singh
2008-11-08  9:49       ` Balbir Singh
2008-11-11  3:10   ` KAMEZAWA Hiroyuki
2008-11-11  3:10     ` KAMEZAWA Hiroyuki
2008-11-11  5:01     ` Balbir Singh
2008-11-11  5:01       ` Balbir Singh

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