From owner-freebsd-questions@FreeBSD.ORG Sat Feb 12 00:33:26 2011 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id BD634106566B for ; Sat, 12 Feb 2011 00:33:26 +0000 (UTC) (envelope-from cswiger@mac.com) Received: from asmtpout023.mac.com (asmtpout023.mac.com [17.148.16.98]) by mx1.freebsd.org (Postfix) with ESMTP id A69B18FC15 for ; Sat, 12 Feb 2011 00:33:26 +0000 (UTC) MIME-version: 1.0 Content-transfer-encoding: 7BIT Content-type: text/plain; CHARSET=US-ASCII Received: from cswiger1.apple.com ([17.209.4.71]) by asmtp023.mac.com (Oracle Communications Messaging Exchange Server 7u4-20.01 64bit (built Nov 21 2010)) with ESMTPSA id <0LGH002MCAVK3K40@asmtp023.mac.com>; Fri, 11 Feb 2011 16:33:21 -0800 (PST) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.2.15,1.0.148,0.0.0000 definitions=2011-02-11_09:2011-02-11, 2011-02-11, 1970-01-01 signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 ipscore=0 suspectscore=0 phishscore=0 bulkscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx engine=6.0.2-1012030000 definitions=main-1102110154 From: Chuck Swiger In-reply-to: <20110212002129.GA95360@freebsd.org> Date: Fri, 11 Feb 2011 16:33:20 -0800 Message-id: <2F104DA0-9420-4E7A-9023-A7C6AC5EC173@mac.com> References: <20110212002129.GA95360@freebsd.org> To: Alexander Best X-Mailer: Apple Mail (2.1082) Cc: freebsd-questions@freebsd.org Subject: Re: deciphering top(1) output X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 12 Feb 2011 00:33:26 -0000 On Feb 11, 2011, at 4:21 PM, Alexander Best wrote: > a) my system is 100% idle, since no processes except the idle process takes up > up CPU time or > b) that a or some processes take up 2% CPU time which aren't being shown or > c) that each of my cpu core is only 86.6/89.4% idle? It means (c). Kernel activity, short-lived transient processes, and imperfections in sampling data are the other ~13 / 10 %.... Regards, -- -Chuck