From owner-freebsd-stable@FreeBSD.ORG Sat Apr 28 06:55:45 2012 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id EB77B106566C for ; Sat, 28 Apr 2012 06:55:45 +0000 (UTC) (envelope-from mavbsd@gmail.com) Received: from mail-wi0-f178.google.com (mail-wi0-f178.google.com [209.85.212.178]) by mx1.freebsd.org (Postfix) with ESMTP id 77F338FC12 for ; Sat, 28 Apr 2012 06:55:45 +0000 (UTC) Received: by wibhq7 with SMTP id hq7so1013055wib.13 for ; Fri, 27 Apr 2012 23:55:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; bh=2cfVWUWGJRjbLkOBGnOyOl8dIBKBTYG2FMITpFMaRao=; b=jhKK27cwFFxxrD+HrbL+hbadNZoN+OQZoVkjzO2IYvQ2pQ/LUfRyrht7/yXUfgxWp9 xf0jJ4RYF76Kx2GJuQfA32Hmqe1ppOmgY4Ue5KdxWpbOUCMown40bqW6VxbPQF7xvCtk c+abGV/zviGJQTm9UxeEuKzyoHHttWaNoOkmyb2K69hUnu2r9WyNHdCwBJcuEt2WtxqU S9SC8PwrwUXC7omgqzJX/SZ0k3wE0u/Y5kit3PYIrQOKk+r0C74FBH8jPy2rshMWD1I7 rsoM/tFd6ciqjqqLSPWzRf/hilPcAWiEUcfouk9eoy8QBLBL3NW+o3C97sHjGGvQH1JP Mr8g== Received: by 10.181.12.82 with SMTP id eo18mr12600926wid.2.1335596144366; Fri, 27 Apr 2012 23:55:44 -0700 (PDT) Received: from mavbook2.mavhome.dp.ua (pc.mavhome.dp.ua. [212.86.226.226]) by mx.google.com with ESMTPS id du4sm16407111wib.10.2012.04.27.23.55.42 (version=SSLv3 cipher=OTHER); Fri, 27 Apr 2012 23:55:43 -0700 (PDT) Sender: Alexander Motin Message-ID: <4F9B946D.3030607@FreeBSD.org> Date: Sat, 28 Apr 2012 09:55:41 +0300 From: Alexander Motin User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:10.0.3) Gecko/20120328 Thunderbird/10.0.3 MIME-Version: 1.0 To: Albert Shih References: <20120427203013.GB60961@pcjas.obspm.fr> <20120427213459.GA61125@pcjas.obspm.fr> In-Reply-To: <20120427213459.GA61125@pcjas.obspm.fr> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Cc: freebsd-stable@freebsd.org, Oliver Pinter Subject: Re: High load event idl. X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 28 Apr 2012 06:55:46 -0000 On 04/28/12 00:34, Albert Shih wrote: > Le 27/04/2012 ? 22:45:40+0200, Oliver Pinter a écrit >>> I'm running 9-stable on all my computer. (csup yesterday). >>> >>> On my desktop everything is fine. But I've two laptop, (both are Dell). On >>> both latptop I've problem about the load, event when I do nothing I got a >>> load between 0.5-1. >>> >>> Here the result of a «top» on the laptop : >>> >>> last pid: 2434; load averages: 0.63, 0.67, 0.59 up 0+00:23:59 >>> 22:25:29 >>> 57 processes: 3 running, 54 sleeping >>> CPU: 2.7% user, 0.0% nice, 3.7% system, 1.4% interrupt, 92.2% idle >>> Mem: 89M Active, 92M Inact, 198M Wired, 13M Cache, 100M Buf, 3529M Free >>> Swap: 4096M Total, 4096M Free >>> >>> Here on the desktop : >>> >>> last pid: 61010; load averages: 0.00, 0.00, 0.00 up 2+11:02:42 >>> 22:29:08 >>> 126 processes: 1 running, 125 sleeping >>> CPU: % user, % nice, % system, % interrupt, % idle >>> Mem: 803M Active, 2874M Inact, 1901M Wired, 112M Cache, 620M Buf, 202M Free >>> Swap: 6144M Total, 36M Used, 6107M Free >>> >> >> http://lists.freebsd.org/pipermail/freebsd-bugs/2012-April/048213.html > > What I understand of your message (I'm definitvly not a dev) is that's only > a little problem of accounting. > > I'm not absolute sure of that because my laptop fan never stop... > > If you want any more information... Definitely, because here I don't see much. Generally, all CPU loads and load averages now calculated via sampling, so theoretically with spiky load numbers may vary for many reasons. I would start from collecting information about running processes. To find fast switching processes that could hide from accounting try `top -SH -m io -o vcsw`. To get more information about scheduler work, use /usr/src/tools/sched/schedgraph.py (instruction inside it). -- Alexander Motin