From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail191.messagelabs.com (mail191.messagelabs.com [216.82.242.19]) by kanga.kvack.org (Postfix) with SMTP id 8629760021B for ; Sat, 26 Dec 2009 18:37:51 -0500 (EST) Received: by ywh5 with SMTP id 5so12396655ywh.11 for ; Sat, 26 Dec 2009 15:37:29 -0800 (PST) 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" Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Sender: owner-linux-mm@kvack.org 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 List-ID: On Sat, Dec 26, 2009 at 3:30 PM, Balbir Singh w= rote: > * 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: >> =C2=A0 =C2=A0 =C2=A0 make -j2 =C2=A0506.37 user 60.93s system 193% cpu 4= :52.77 total >> Non-root cgroup before changes: >> =C2=A0 =C2=A0 =C2=A0 make -j2 =C2=A0507.14 user 62.66s system 193% cpu 4= :54.74 total >> Root cgroup after changes (0 thresholds): >> =C2=A0 =C2=A0 =C2=A0 make -j2 =C2=A0507.13 user 62.20s system 193% cpu 4= :53.55 total >> Non-root cgroup after changes (0 thresholds): >> =C2=A0 =C2=A0 =C2=A0 make -j2 =C2=A0507.70 user 64.20s system 193% cpu 4= :55.70 total >> Root cgroup after changes (1 thresholds, never crossed): >> =C2=A0 =C2=A0 =C2=A0 make -j2 =C2=A0506.97 user 62.20s system 193% cpu 4= :53.90 total >> Non-root cgroup after changes (1 thresholds, never crossed): >> =C2=A0 =C2=A0 =C2=A0 make -j2 =C2=A0507.55 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, 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