From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760049AbXJaUDX (ORCPT ); Wed, 31 Oct 2007 16:03:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754168AbXJaUDO (ORCPT ); Wed, 31 Oct 2007 16:03:14 -0400 Received: from mta13.adelphia.net ([68.168.78.44]:36285 "EHLO mta13.adelphia.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753240AbXJaUDO (ORCPT ); Wed, 31 Oct 2007 16:03:14 -0400 Message-ID: <4728DF7E.9090606@rqdq.com> Date: Wed, 31 Oct 2007 16:03:10 -0400 From: Benjamin Yates User-Agent: Thunderbird 2.0.0.6 (Windows/20070728) MIME-Version: 1.0 To: linux-kernel@vger.kernel.org Subject: 2.6.22+, CONFIG_NO_HZ=n, but irq/s looks like NO_HZ=y Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org can't find many references on this one, so posting here... CONFIG_NO_HZ=n, but vmstat output shows int/sec which looks like a dynticks setup. vmstat lies? vmstat needs an update? -benjamin root@blahblah /usr/src/linux # uname -a Linux blahblah 2.6.23.1 #2 SMP Sun Oct 14 23:40:05 EDT 2007 i686 Dual Core AMD Opteron(tm) Processor 185 AuthenticAMD GNU/Linux root@blahblah /usr/src/linux # zcat /proc/config.gz | grep HZ # CONFIG_NO_HZ is not set CONFIG_HZ_100=y # CONFIG_HZ_250 is not set # CONFIG_HZ_300 is not set # CONFIG_HZ_1000 is not set CONFIG_HZ=100 root@blahblah /usr/src/linux # vmstat 1 procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu---- r b swpd free buff cache si so bi bo in cs us sy id wa 3 0 0 265492 85576 105432 0 0 45 153 26 230 24 28 47 1 0 0 0 265480 85576 105432 0 0 0 0 6 52 0 0 100 0 0 0 0 264976 85576 105432 0 0 0 0 9 65 1 3 96 0 0 0 0 265876 85576 105432 0 0 0 0 10 65 1 2 97 0