From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161162AbWAHGQi (ORCPT ); Sun, 8 Jan 2006 01:16:38 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161163AbWAHGQi (ORCPT ); Sun, 8 Jan 2006 01:16:38 -0500 Received: from relay02.mail-hub.dodo.com.au ([202.136.32.45]:8864 "EHLO relay02.mail-hub.dodo.com.au") by vger.kernel.org with ESMTP id S1161162AbWAHGQi (ORCPT ); Sun, 8 Jan 2006 01:16:38 -0500 From: Grant Coady To: linux-kernel@vger.kernel.org Subject: Why is 2.4.32 four times faster than 2.6.14.6?? Date: Sun, 08 Jan 2006 17:16:34 +1100 Organization: http://bugsplatter.mine.nu/ Reply-To: gcoady@gmail.com Message-ID: X-Mailer: Forte Agent 2.0/32.652 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi there, Recently I started testing 2.6 stable on my firewall box here, I work via ssh terminals to firewall and have a good feel for the CLI responsiveness. The test? Just a simple display the apache access log, but it is very slow with 2.6 kernels (2.6.14.5, 2.6.14.6, 2.6.15): 2.4.32-hf32.1: grant@deltree:~$ time grep -v 192\.168\. /var/log/apache/access_log |cut -c-96 [...] 2006-01-08 14:38:52 +1100: bugsplatter.mine.nu 207.46.98.39 "GET /test/linux-2.6/sempro/ HTTP/1. real 0m1.562s user 0m0.600s sys 0m0.310s 2.6.14.6: grant@deltree:~$ time grep -v 192\.168\. /var/log/apache/access_log |cut -c-96 [...] 2006-01-08 14:38:52 +1100: bugsplatter.mine.nu 207.46.98.39 "GET /test/linux-2.6/sempro/ HTTP/1. real 0m6.318s user 0m0.690s sys 0m1.140s grant@deltree:~$ /sbin/lspci 00:00.0 Host bridge: Intel Corporation 430FX - 82437FX TSC [Triton I] (rev 02) 00:07.0 ISA bridge: Intel Corporation 82371FB PIIX ISA [Triton I] (rev 02) 00:07.1 IDE interface: Intel Corporation 82371FB PIIX IDE [Triton I] (rev 02) 00:0d.0 Ethernet controller: Intel Corporation 82557/8/9 [Ethernet Pro 100] (rev 08) 00:0e.0 Ethernet controller: Intel Corporation 82557/8/9 [Ethernet Pro 100] (rev 08) 00:10.0 VGA compatible controller: S3 Inc. 86c764/765 [Trio32/64/64V+] (rev 44) dmesg + .config on: http://bugsplatter.mine.nu/test/boxen/deltree/ -- Thanks, Grant. http://bugsplatter.mine.nu/