From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751830AbWIGSgD (ORCPT ); Thu, 7 Sep 2006 14:36:03 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751824AbWIGSgC (ORCPT ); Thu, 7 Sep 2006 14:36:02 -0400 Received: from wx-out-0506.google.com ([66.249.82.237]:37314 "EHLO wx-out-0506.google.com") by vger.kernel.org with ESMTP id S1161022AbWIGSER (ORCPT ); Thu, 7 Sep 2006 14:04:17 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=googlemail.com; h=received:message-id:date:from:to:subject:mime-version:content-type:content-transfer-encoding:content-disposition; b=D8B+99l0YRUbeApwpCzDwVXBmdUALOPp4IwJTlTs5UqQyjTVbgImTfGL6i+IrfQ45t2J6Uvc0hWQBOFoajfu70HhK6vq2zk9ylJCfSV0uH5yEfIMx8CDZ2DO8ISPBvmvyvwKXDdedlGASN1BCwXWCPxHRorboDpYrSuYUfopr2c= Message-ID: <1b270aae0609071104i5864dd7dtf268f639fc1ad5b7@mail.gmail.com> Date: Thu, 7 Sep 2006 20:04:16 +0200 From: "Metathronius Galabant" To: linux-kernel@vger.kernel.org Subject: top displaying 50% si time and 50% idle on idle machine MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, Kernel 2.6.17.11 with tg3 network driver, NAPI enabled (Distro CentOS 4.4). top shows strangely 50% idle even if the machine is _completely_ idle. top - 01:04:30 up 4 days, 12:05, 2 users, load average: 0.00, 0.00, 0.00 Tasks: 34 total, 2 running, 32 sleeping, 0 stopped, 0 zombie Cpu(s): 0.0% us, 0.0% sy, 0.0% ni, 50.0% id, 0.0% wa, 0.0% hi, 50.0% si Mem: 3634452k total, 313284k used, 3321168k free, 71308k buffers Swap: 505896k total, 0k used, 505896k free, 220272k cached I find this pretty alarming - can somebody please enlighten me? Please include me on CC. Thanks, M. /proc/stat: cpu 9328 0 1749 19452596 2072 0 19466317 0 cpu0 9328 0 1749 19452596 2072 0 19466317 0 intr 39311864 38932062 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 58911 320891 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ctxt 1748303 btime 1157367528 processes 15115 procs_running 1 procs_blocked 0