Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 1 Oct 2002 06:11:11 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 1 Oct 2002 06:11:11 -0400 Received: from ns.virtualhost.dk ([195.184.98.160]:4224 "EHLO virtualhost.dk") by vger.kernel.org with ESMTP id ; Tue, 1 Oct 2002 06:11:10 -0400 Date: Tue, 1 Oct 2002 12:16:25 +0200 From: Jens Axboe To: Con Kolivas Cc: Andrew Morton , linux-kernel@vger.kernel.org Subject: Re: [BENCHMARK] 2.5.39-mm1 Message-ID: <20021001101625.GC20878@suse.de> References: <200209301941.41627.conman@kolivas.net> <3D98A7D0.8F07193F@digeo.com> <1033418211.3d98b5e347574@kolivas.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1033418211.3d98b5e347574@kolivas.net> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 983 Lines: 29 On Tue, Oct 01 2002, Con Kolivas wrote: > > > io_load: > > > Kernel Time CPU Ratio > > > 2.4.19 216.05 33% 3.19 > > > 2.5.38 887.76 8% 13.11 > > > 2.5.38-mm3 105.17 70% 1.55 > > > 2.5.39 229.4 34% 3.4 > > > 2.5.39-mm1 239.5 33% 3.4 > > > > I think I'll set fifo_batch to 16 again... > > > > And I'll happily benchmark it when you do. Just take 2.5.39-mm1 sources, edit drivers/block/deadline-iosched.c and set static int fifo_batch = 16; instead of the 32. -mm has them in sysctl too, iirc. -- Jens Axboe - 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/