Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754319AbZJBJAp (ORCPT ); Fri, 2 Oct 2009 05:00:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752458AbZJBJAp (ORCPT ); Fri, 2 Oct 2009 05:00:45 -0400 Received: from mail.gmx.net ([213.165.64.20]:59302 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752071AbZJBJAo (ORCPT ); Fri, 2 Oct 2009 05:00:44 -0400 X-Authenticated: #14349625 X-Provags-ID: V01U2FsdGVkX1+DWuRMag2DmrE+Nbvx4/xl0QD7Ikhe7xdTDMyVgD G9tVR7BRn8Hf8x Subject: Re: IO scheduler based IO controller V10 From: Mike Galbraith To: Jens Axboe Cc: Vivek Goyal , Ulrich Lukas , linux-kernel@vger.kernel.org, containers@lists.linux-foundation.org, dm-devel@redhat.com, nauman@google.com, dpshah@google.com, lizf@cn.fujitsu.com, mikew@google.com, fchecconi@gmail.com, paolo.valente@unimore.it, ryov@valinux.co.jp, fernando@oss.ntt.co.jp, jmoyer@redhat.com, dhaval@linux.vnet.ibm.com, balbir@linux.vnet.ibm.com, righi.andrea@gmail.com, m-ikeda@ds.jp.nec.com, agk@redhat.com, akpm@linux-foundation.org, peterz@infradead.org, jmarchan@redhat.com, torvalds@linux-foundation.org, mingo@elte.hu, riel@redhat.com In-Reply-To: <1254473609.6378.24.camel@marge.simson.net> References: <20090925202636.GC15007@redhat.com> <1253976676.7005.40.camel@marge.simson.net> <1254034500.7933.6.camel@marge.simson.net> <20090927164235.GA23126@kernel.dk> <1254340730.7695.32.camel@marge.simson.net> <1254341139.7695.36.camel@marge.simson.net> <20090930202447.GA28236@redhat.com> <1254382405.7595.9.camel@marge.simson.net> <20091001185816.GU14918@kernel.dk> <1254464628.7158.101.camel@marge.simson.net> <20091002080417.GG14918@kernel.dk> <1254473609.6378.24.camel@marge.simson.net> Content-Type: text/plain Date: Fri, 02 Oct 2009 11:00:39 +0200 Message-Id: <1254474039.6378.26.camel@marge.simson.net> Mime-Version: 1.0 X-Mailer: Evolution 2.24.1.1 Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 X-FuHaFi: 0.75 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 536 Lines: 16 > WRT my who can overload theory, I instrumented for my own edification. > > Overload totally forbidden, stamps ergo disabled. > > fairness=0 11.3 avg (ie == virgin source) > fairness=1 2.8 avg (oops, quantum was set to 16 as well there. not that it matters, but for completeness) -- 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/