From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 27 Mar 2008 18:12:42 +0900 From: KOSAKI Motohiro Subject: Re: [-mm] [PATCH 0/4] memcg : radix-tree page_cgroup v2 In-Reply-To: <20080327174435.e69f5b45.kamezawa.hiroyu@jp.fujitsu.com> References: <20080327174435.e69f5b45.kamezawa.hiroyu@jp.fujitsu.com> Message-Id: <20080327175654.C749.KOSAKI.MOTOHIRO@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: KAMEZAWA Hiroyuki Cc: kosaki.motohiro@jp.fujitsu.com, "linux-mm@kvack.org" , "balbir@linux.vnet.ibm.com" , lizf@cn.fujitsu.com, a.p.zijlstra@chello.nl List-ID: Hi > TEST BASELINE RESULT INDEX > (1) Execl Throughput 43.0 2868.8 667.2 > (2) Execl Throughput 43.0 2810.3 653.6 > (3) Execl Throughput 43.0 2836.9 659.7 > (4) Execl Throughput 43.0 2846.0 661.9 > (5) Execl Throughput 43.0 2862.0 665.6 > (6) Execl Throughput 43.0 3110.0 723.3 > > (1) .... rc5-mm1 + memory controller > (2) .... patch 1/4 is applied. (use radix-tree always.) > (3) .... patch [1-3]/4 are applied. (caching by percpu) > (4) .... patch [1-4]/4 are applied. (uses prefetch) > (5) .... adjust sizeof(struct page) to be 64 bytes by padding. > (6) .... rc5-mm1 *without* memory controller I am very surprised this result. 723.3 -> 667.2 seems large performance impact. Why do you need count resource usage when unlimited limit. Could you separate unlimited group to resource usage counting and no counting. I hope default cgroup keep no counting and no decrease performance. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org