From owner-freebsd-drivers@FreeBSD.ORG  Tue Apr  8 22:01:22 2014
Return-Path: <owner-freebsd-drivers@FreeBSD.ORG>
Delivered-To: freebsd-drivers@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id 5A045DC2
 for <freebsd-drivers@freebsd.org>; Tue,  8 Apr 2014 22:01:22 +0000 (UTC)
Received: from h2.funkthat.com (gate2.funkthat.com [208.87.223.18])
 (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))
 (Client CN "funkthat.com", Issuer "funkthat.com" (not verified))
 by mx1.freebsd.org (Postfix) with ESMTPS id 35B5C1AAC
 for <freebsd-drivers@freebsd.org>; Tue,  8 Apr 2014 22:01:21 +0000 (UTC)
Received: from h2.funkthat.com (localhost [127.0.0.1])
 by h2.funkthat.com (8.14.3/8.14.3) with ESMTP id s38M1Ken037009
 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO);
 Tue, 8 Apr 2014 15:01:21 -0700 (PDT)
 (envelope-from jmg@h2.funkthat.com)
Received: (from jmg@localhost)
 by h2.funkthat.com (8.14.3/8.14.3/Submit) id s38M1Kem037008;
 Tue, 8 Apr 2014 15:01:20 -0700 (PDT) (envelope-from jmg)
Date: Tue, 8 Apr 2014 15:01:20 -0700
From: John-Mark Gurney <jmg@funkthat.com>
To: David Somayajulu <david.somayajulu@qlogic.com>
Subject: Re: Measuring IOPs on disk devices
Message-ID: <20140408220120.GD34745@funkthat.com>
Mail-Followup-To: David Somayajulu <david.somayajulu@qlogic.com>,
 "freebsd-drivers@freebsd.org" <freebsd-drivers@freebsd.org>
References: <49F5640B08EAA94DAF2F6B6145E6A08A8993BE26@AVMB1.qlogic.org>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <49F5640B08EAA94DAF2F6B6145E6A08A8993BE26@AVMB1.qlogic.org>
User-Agent: Mutt/1.4.2.3i
X-Operating-System: FreeBSD 7.2-RELEASE i386
X-PGP-Fingerprint: 54BA 873B 6515 3F10 9E88  9322 9CB1 8F74 6D3F A396
X-Files: The truth is out there
X-URL: http://resnet.uoregon.edu/~gurney_j/
X-Resume: http://resnet.uoregon.edu/~gurney_j/resume.html
X-TipJar: bitcoin:13Qmb6AeTgQecazTWph4XasEsP7nGRbAPE
X-to-the-FBI-CIA-and-NSA: HI! HOW YA DOIN? can i haz chizburger?
X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.2
 (h2.funkthat.com [127.0.0.1]); Tue, 08 Apr 2014 15:01:21 -0700 (PDT)
Cc: "freebsd-drivers@freebsd.org" <freebsd-drivers@freebsd.org>
X-BeenThere: freebsd-drivers@freebsd.org
X-Mailman-Version: 2.1.17
Precedence: list
List-Id: Writing device drivers for FreeBSD <freebsd-drivers.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-drivers>, 
 <mailto:freebsd-drivers-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-drivers/>
List-Post: <mailto:freebsd-drivers@freebsd.org>
List-Help: <mailto:freebsd-drivers-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-drivers>,
 <mailto:freebsd-drivers-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 08 Apr 2014 22:01:22 -0000

David Somayajulu wrote this message on Wed, Apr 02, 2014 at 23:17 +0000:
> What benchmark tools are available on FreeBSD to measure IOPs, Latency and throughput for the disk subsystem ?

For a very quick and dirty measure, diskinfo -t <dev> will work...

For more comprehensive ones, check out the benchmarks category in ports..

-- 
  John-Mark Gurney				Voice: +1 415 225 5579

     "All that I will do, has been done, All that I have, has not."