From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail202.messagelabs.com (mail202.messagelabs.com [216.82.254.227]) by kanga.kvack.org (Postfix) with ESMTP id 8D5E560044A for ; Sat, 26 Dec 2009 08:30:23 -0500 (EST) Received: from d28relay01.in.ibm.com (d28relay01.in.ibm.com [9.184.220.58]) by e28smtp02.in.ibm.com (8.14.3/8.13.1) with ESMTP id nBQDUGvc016557 for ; Sat, 26 Dec 2009 19:00:16 +0530 Received: from d28av03.in.ibm.com (d28av03.in.ibm.com [9.184.220.65]) by d28relay01.in.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id nBQDUFFl2666512 for ; Sat, 26 Dec 2009 19:00:16 +0530 Received: from d28av03.in.ibm.com (loopback [127.0.0.1]) by d28av03.in.ibm.com (8.14.3/8.13.1/NCO v10.0 AVout) with ESMTP id nBQDUFJ7002532 for ; Sun, 27 Dec 2009 00:30:15 +1100 Date: Sat, 26 Dec 2009 19:00:11 +0530 From: Balbir Singh Subject: Re: [PATCH v3 0/4] cgroup notifications API and memory thresholds Message-ID: <20091226133011.GA10944@balbir.in.ibm.com> Reply-To: balbir@linux.vnet.ibm.com References: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org To: "Kirill A. Shutemov" Cc: containers@lists.linux-foundation.org, linux-mm@kvack.org, Paul Menage , Li Zefan , Andrew Morton , KAMEZAWA Hiroyuki , Pavel Emelyanov , Dan Malek , Vladislav Buzov , Daisuke Nishimura , Alexander Shishkin , linux-kernel@vger.kernel.org List-ID: * Kirill A. Shutemov [2009-12-26 02:30:56]: > This patchset introduces eventfd-based API for notifications in cgroups and > implements memory notifications on top of it. > > It uses statistics in memory controler to track memory usage. > > Output of time(1) on building kernel on tmpfs: > > Root cgroup before changes: > make -j2 506.37 user 60.93s system 193% cpu 4:52.77 total > Non-root cgroup before changes: > make -j2 507.14 user 62.66s system 193% cpu 4:54.74 total > Root cgroup after changes (0 thresholds): > make -j2 507.13 user 62.20s system 193% cpu 4:53.55 total > Non-root cgroup after changes (0 thresholds): > make -j2 507.70 user 64.20s system 193% cpu 4:55.70 total > Root cgroup after changes (1 thresholds, never crossed): > make -j2 506.97 user 62.20s system 193% cpu 4:53.90 total > Non-root cgroup after changes (1 thresholds, never crossed): > make -j2 507.55 user 64.08s system 193% cpu 4:55.63 total > > Any comments? Could you please add some documentation for end users. I've just compiled a kernel with your changes for test. Also, is there a reason not to use cgroupstats? -- Balbir -- 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