From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262041AbVFGXu7 (ORCPT ); Tue, 7 Jun 2005 19:50:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262042AbVFGXu7 (ORCPT ); Tue, 7 Jun 2005 19:50:59 -0400 Received: from dvhart.com ([64.146.134.43]:21160 "EHLO localhost.localdomain") by vger.kernel.org with ESMTP id S262041AbVFGXur (ORCPT ); Tue, 7 Jun 2005 19:50:47 -0400 Date: Tue, 07 Jun 2005 16:50:39 -0700 From: "Martin J. Bligh" Reply-To: "Martin J. Bligh" To: Andrew Morton Cc: linux-kernel Subject: 2.6.12-rc6-mm1 Message-ID: <1004450000.1118188239@flay> X-Mailer: Mulberry/2.1.2 (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 Wheeee! it actually compiles and boots for me on x86 ;-) http://ftp.kernel.org/pub/linux/kernel/people/mbligh/abat/perf/kernbench.moe.png Seems to show that perf is rather sucky on kernbench though. baseline (-rc6) data is here: http://ftp.kernel.org/pub/linux/kernel/people/mbligh/abat/4760/kernbench.test/ -mm1 is here: http://ftp.kernel.org/pub/linux/kernel/people/mbligh/abat/4876/kernbench.test/ Diffprofile is wacko (HZ seems to be defaulting to 250 in -mm). If I factor it by 4x, I get: 47796 10.9% total 16644 30.5% buffered_rmqueue 15574 7.7% default_idle 2229 239.4% kmem_cache_free 1782 11.1% zap_pte_range 1752 0.0% inotify_inode_queue_event 1467 36.3% release_pages 1281 73.3% set_page_dirty 1155 12.8% do_wp_page 924 8.3% _spin_lock 896 0.0% find_idlest_group 828 21.7% free_hot_cold_page 780 0.0% drain_remote_pages 772 0.0% dput_recursive 464 0.0% inotify_dentry_parent_queue_event ... -412 -8.1% __d_lookup -508 -98.4% find_idlest_cpu -542 -24.5% do_anonymous_page -549 -47.5% current_fs_time -580 -100.0% del_timer_sync -594 -86.6% dput -695 -31.4% __copy_user_intel -1461 -13.9% strnlen_user Buggered if I know what that is from. I'm guessing scheduler, or the HZ change. I guess I can rerun with the HZ set to 1000 ... you got any experimental scheduler stuff in your tree? Else I guess it's some memory allocator stuff maybe?