From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266051AbUBCVyK (ORCPT ); Tue, 3 Feb 2004 16:54:10 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266167AbUBCVyK (ORCPT ); Tue, 3 Feb 2004 16:54:10 -0500 Received: from s4.uklinux.net ([80.84.72.14]:34519 "EHLO mail2.uklinux.net") by vger.kernel.org with ESMTP id S266051AbUBCVyC (ORCPT ); Tue, 3 Feb 2004 16:54:02 -0500 To: Andrew Morton Cc: linux-kernel@vger.kernel.org, piggin@cyberone.com.au 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> From: Philip Martin Date: Tue, 03 Feb 2004 21:53:27 +0000 In-Reply-To: <20040203132913.6145f4e6.akpm@osdl.org> (Andrew Morton's message of "Tue, 3 Feb 2004 13:29:13 -0800") Message-ID: <87znbzg78o.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 Andrew Morton writes: >> 2.6.1 > > Odd. Are you really sure that it was the correct System.map? I think so. I always build kernels using Debian's kernel-package so both vmlinuz and System.map get placed into a .deb package as vmlinuz-2.6.1 and System.map-2.6.1. $ ls -l /boot/Sys* -rw-r--r-- 1 root root 492205 Dec 1 19:27 /boot/System.map-2.4.23 -rw-r--r-- 1 root root 492205 Jan 5 21:21 /boot/System.map-2.4.24 -rw-r--r-- 1 root root 715800 Feb 1 21:02 /boot/System.map-2.6.1 $ ls -l /boot/vm* -rw-r--r-- 1 root root 880826 Dec 1 19:27 /boot/vmlinuz-2.4.23 -rw-r--r-- 1 root root 880822 Jan 5 21:21 /boot/vmlinuz-2.4.24 -rw-r--r-- 1 root root 1095040 Feb 1 21:02 /boot/vmlinuz-2.6.1 Hmm, I see that my 2.6.1 image is 25% bigger than 2.4.24, I'd not noticed that before. I have just tried another 2.6 profile run and got similar results. 248.88user 122.00system 3:41.18elapsed 167%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (453major+3770323minor)pagefaults 0swaps c011e158 add_wait_queue 442 5.5250 c010b1e0 error_code 444 7.9286 c0114658 sched_clock 460 3.8333 c0108ac8 copy_thread 473 0.8631 c01229e0 wait_task_zombie 488 1.0252 c010a79c syscall_call 489 44.4545 c0127a1c del_timer_sync 529 4.0076 c0128d18 flush_signal_handlers 592 8.7059 c010c570 handle_IRQ_event 597 6.7841 c011fbe0 do_fork 606 1.5947 c0121970 put_files_struct 616 3.2083 c0123ec0 do_softirq 617 3.0245 c011add4 wake_up_forked_process 776 1.9020 c0110d1c old_mmap 868 2.6790 c012c638 sys_rt_sigaction 942 3.8607 c0122d78 sys_wait4 958 1.6404 c01168b8 flush_tlb_mm 1040 7.0270 c012b0a4 get_signal_to_deliver 1385 1.4610 c0123e38 current_kernel_time 1487 21.8676 c011afc8 schedule_tail 1606 8.9222 c01223e8 do_exit 1807 1.8514 c011df4f .text.lock.sched 2302 7.9654 c012b560 sys_rt_sigprocmask 2417 7.0262 c012c0a0 do_sigaction 2736 4.0473 c011e3c8 dup_task_struct 3034 22.3088 c011ec08 copy_files 3103 3.5261 c011de6c __preempt_spin_lock 3171 39.6375 c012b474 sigprocmask 3387 14.3517 c011c2e0 __wake_up 3699 48.6711 c0121d58 exit_notify 3780 2.2500 c0121150 release_task 4071 7.4288 c011694c flush_tlb_page 7069 44.1812 c011bbf0 schedule 7123 4.4519 c011e6d4 copy_mm 7826 7.5833 c010a770 system_call 8249 187.4773 c011efe0 copy_process 8760 2.8516 c0119588 pte_alloc_one 16097 251.5156 c01199b8 do_page_fault 44492 37.3255 c01086b0 default_idle 937243 18023.9038 00000000 total 1095569 6.7218 -- Philip Martin