Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262503AbUDMHkD (ORCPT ); Tue, 13 Apr 2004 03:40:03 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263084AbUDMHkC (ORCPT ); Tue, 13 Apr 2004 03:40:02 -0400 Received: from obsidian.spiritone.com ([216.99.193.137]:47540 "EHLO obsidian.spiritone.com") by vger.kernel.org with ESMTP id S262503AbUDMHj4 (ORCPT ); Tue, 13 Apr 2004 03:39:56 -0400 Date: Tue, 13 Apr 2004 00:39:41 -0700 From: "Martin J. Bligh" To: Andrew Morton , Hugh Dickins , Andrea Arcangeli cc: linux-kernel Subject: Benchmarking objrmap under memory pressure Message-ID: <1130000.1081841981@[10.10.2.4]> X-Mailer: Mulberry/2.2.1 (Linux/x86) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1044 Lines: 25 UP Athlon 2100+ with 512Mb of RAM. Rebooted clean before each test then did "make clean; make vmlinux; make clean". Then I timed a "make -j 256 vmlinux" to get some testing under mem pressure. I was trying to test the overhead of objrmap under memory pressure, but it seems it's actually distinctly negative overhead - rather pleasing really ;-) 2.6.5 225.18user 30.05system 6:33.72elapsed 64%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (37590major+2604444minor)pagefaults 0swaps 2.6.5-anon_mm 224.53user 26.00system 5:29.08elapsed 76%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (29127major+2577211minor)pagefaults 0swaps 2.6.5-aa5 224.35user 27.47system 5:35.09elapsed 75%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (28675major+2589179minor)pagefaults 0swaps - 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/