Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753005AbZLZXhb (ORCPT ); Sat, 26 Dec 2009 18:37:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752044AbZLZXha (ORCPT ); Sat, 26 Dec 2009 18:37:30 -0500 Received: from mail-yx0-f187.google.com ([209.85.210.187]:38206 "EHLO mail-yx0-f187.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750997AbZLZXh3 convert rfc822-to-8bit (ORCPT ); Sat, 26 Dec 2009 18:37:29 -0500 MIME-Version: 1.0 In-Reply-To: <20091226133011.GA10944@balbir.in.ibm.com> References: <20091226133011.GA10944@balbir.in.ibm.com> Date: Sun, 27 Dec 2009 01:37:28 +0200 Message-ID: Subject: Re: [PATCH v3 0/4] cgroup notifications API and memory thresholds From: "Kirill A. Shutemov" To: balbir@linux.vnet.ibm.com 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 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1694 Lines: 39 On Sat, Dec 26, 2009 at 3:30 PM, Balbir Singh wrote: > * 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. Sure. I'll send new version of patchset with documentation soon. > I've just > compiled a kernel with your changes for test. Also, is there a reason > not to use cgroupstats? I'm not sure that understand you correctly. Could you explain the idea? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/