Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752932AbZLZNaW (ORCPT ); Sat, 26 Dec 2009 08:30:22 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751798AbZLZNaV (ORCPT ); Sat, 26 Dec 2009 08:30:21 -0500 Received: from e28smtp04.in.ibm.com ([122.248.162.4]:53391 "EHLO e28smtp04.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750864AbZLZNaU (ORCPT ); Sat, 26 Dec 2009 08:30:20 -0500 Date: Sat, 26 Dec 2009 19:00:11 +0530 From: Balbir Singh 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 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: User-Agent: Mutt/1.5.20 (2009-08-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1403 Lines: 35 * 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 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/