From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030493AbXAYXUM (ORCPT ); Thu, 25 Jan 2007 18:20:12 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030500AbXAYXUM (ORCPT ); Thu, 25 Jan 2007 18:20:12 -0500 Received: from mail.netilla.com ([63.97.64.130]:1703 "EHLO aep-us-dc-01.aep-net.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1030493AbXAYXUL (ORCPT ); Thu, 25 Jan 2007 18:20:11 -0500 X-Greylist: delayed 859 seconds by postgrey-1.27 at vger.kernel.org; Thu, 25 Jan 2007 18:20:10 EST Message-ID: <45B937F9.6040803@aepnetworks.com> Date: Thu, 25 Jan 2007 18:06:33 -0500 From: Fei Liu User-Agent: Thunderbird 1.5.0.7 (X11/20060913) MIME-Version: 1.0 To: linux-kernel@vger.kernel.org Subject: linux i386 kernel 2.4.16 2.4.22 scheduling issue? Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 25 Jan 2007 23:05:51.0184 (UTC) FILETIME=[5B91C500:01C740D5] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hello group, I have some concern about scheduling issue with 2.4.16 and 2.4.22 i386 kernel where I see 1200+ interrupts and context switches per second through vmstat when machine is under load. Is this behavior normal? Is there any know scheduling issue with the above mentioned kernel versions? Thanks, Fei