From owner-freebsd-hackers@FreeBSD.ORG Tue Aug 28 11:14:43 2012 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E1E7B106564A for ; Tue, 28 Aug 2012 11:14:43 +0000 (UTC) (envelope-from ayoung@mosaicarchive.com) Received: from mail-ob0-f182.google.com (mail-ob0-f182.google.com [209.85.214.182]) by mx1.freebsd.org (Postfix) with ESMTP id 9F6468FC0A for ; Tue, 28 Aug 2012 11:14:43 +0000 (UTC) Received: by obbun3 with SMTP id un3so13345177obb.13 for ; Tue, 28 Aug 2012 04:14:42 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:x-originating-ip:date:message-id:subject:from:to :content-type:x-gm-message-state; bh=YEDh+SSFlb/5NtGPIf02PQ2tNstQ2cMjY5PKa7iklP4=; b=FKZ9bMHV84f1iafHQRBQdjcopZznH0QLzikdZr5sRHIv+53Z5kiUU5kzs3ulT/Gxez nJXMJeHxr1jiAPOpKPekKovb0ekrANaxAxei5DlP2bGhIWMzV5QCW6X5HLta/icrO/E6 6P6EQMDyVve7KNZBlJ8+XMAhaJvFwn9XnH9LZaTPpJTw2+8hLPio97sxfL8RDa6d1/8r rS/CVh5cqEnhMyJyQG+zgveQmJH9JmwtVI7t+RtE5t+RQgEzjd58z0yOrr1eZRqwQLRn JGqdc2EQu+S4iv/vxnZVxYPktkfvr5cvEVocabRZeVyY3rfvdLjBqsKUpbY1fIRzwwGd gvUA== MIME-Version: 1.0 Received: by 10.182.131.73 with SMTP id ok9mr12296015obb.19.1346152482837; Tue, 28 Aug 2012 04:14:42 -0700 (PDT) Received: by 10.76.174.38 with HTTP; Tue, 28 Aug 2012 04:14:42 -0700 (PDT) X-Originating-IP: [96.237.242.243] Date: Tue, 28 Aug 2012 07:14:42 -0400 Message-ID: From: Andy Young To: freebsd-hackers@freebsd.org X-Gm-Message-State: ALoCoQkqL8sfrH22bGGBFKDDQV49vjoUWjjOyz6uI7x4bGAflZo2VhZeHEqdRy1pq2bumfRBXlCr Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Subject: Question on io monitoring tools such as gstat and iostat X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 28 Aug 2012 11:14:44 -0000 I am relatively new to using IO monitoring tools and wanted to confirm I understand them correctly. If I specify an interval of 5 seconds, my assumption is that the data displayed is an average over that 5 second interval. Is that correct or am I misunderstanding how intervals work? Thanks! Andy