From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264855AbUBDXoD (ORCPT ); Wed, 4 Feb 2004 18:44:03 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264566AbUBDXl3 (ORCPT ); Wed, 4 Feb 2004 18:41:29 -0500 Received: from s4.uklinux.net ([80.84.72.14]:28334 "EHLO mail2.uklinux.net") by vger.kernel.org with ESMTP id S264365AbUBDXjZ (ORCPT ); Wed, 4 Feb 2004 18:39:25 -0500 To: Nick Piggin Cc: Andrew Morton , linux-kernel@vger.kernel.org Subject: Re: 2.6.1 slower than 2.4, smp/scsi/sw-raid/reiserfs References: <87oesieb75.fsf@codematters.co.uk> <20040202194626.191cbb95.akpm@osdl.org> <87llnk2js9.fsf@codematters.co.uk> <20040203132913.6145f4e6.akpm@osdl.org> <87znbzg78o.fsf@codematters.co.uk> <402087B3.1080302@cyberone.com.au> <877jz291jm.fsf@codematters.co.uk> From: Philip Martin Date: Wed, 04 Feb 2004 23:38:29 +0000 In-Reply-To: <877jz291jm.fsf@codematters.co.uk> (Philip Martin's message of "Wed, 04 Feb 2004 17:50:37 +0000") Message-ID: <87y8riifey.fsf@codematters.co.uk> User-Agent: Gnus/5.1002 (Gnus v5.10.2) XEmacs/21.4 (Common Lisp, linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Philip Martin writes: > Nick Piggin writes: > >> What are you building, by the way? It slipped my mind. > > All the 2.6 figures so far are for a plain 2.6.1. I've just switched > to 2.6.2 and at first glance it's the same as 2.6.1. This is the profile for 2.6.2, it is very much like 2.6.1 248.07user 118.81system 3:42.00elapsed 165%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (434major+3770493minor)pagefaults 0swaps c0109e28 setup_frame 448 1.0667 c010aff4 error_code 449 8.0179 c0108a48 copy_thread 459 0.8376 c012591c __mod_timer 463 1.7276 c010a5b0 syscall_call 484 44.0000 c0119f8c wake_up_forked_process 492 1.3516 c01200b4 put_files_struct 534 2.8404 c0120f80 wait_task_zombie 559 1.4116 c011e598 do_fork 604 1.6237 c0126dd0 flush_signal_handlers 607 8.9265 c010c320 handle_IRQ_event 620 7.0455 c0122430 do_softirq 642 3.1471 c0125b44 del_timer_sync 700 2.5362 c0115e58 flush_tlb_mm 814 6.5645 c011063c old_mmap 895 2.7623 c012a1a8 sys_rt_sigaction 926 3.7951 c012127c sys_wait4 929 1.6017 c010a4d8 ret_from_intr 1275 45.5357 c0128e44 get_signal_to_deliver 1482 1.8162 c0120a68 do_exit 1486 1.8668 c0122388 current_kernel_time 1518 22.3235 c011a158 schedule_tail 1520 9.2683 c011cbb7 .text.lock.sched 2291 4.5366 c0129270 sys_rt_sigprocmask 2462 7.5988 c0129c84 do_sigaction 2843 4.8682 c011d888 copy_files 2869 4.2693 c011d0f8 dup_task_struct 3001 22.0662 c011b520 __wake_up 3053 69.3864 c0129190 sigprocmask 3345 14.9330 c011f9c0 release_task 3593 7.6123 c012041c exit_notify 4023 2.4957 c011aec0 schedule 6625 4.3357 c0115ed4 flush_tlb_page 7025 54.8828 c011db90 copy_process 7663 2.9840 c011d3b8 copy_mm 7704 8.0250 c010a584 system_call 8314 188.9545 c01188a8 pte_alloc_one 15944 249.1250 c0118c78 do_page_fault 44368 37.7279 c0108690 default_idle 1351419 25988.8269 00000000 total 1503962 9.7998 -- Philip Martin