From owner-freebsd-geom@FreeBSD.ORG  Sat Dec 18 21:40:10 2010
Return-Path: <owner-freebsd-geom@FreeBSD.ORG>
Delivered-To: freebsd-geom@FreeBSD.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 48712106564A
	for <freebsd-geom@FreeBSD.org>; Sat, 18 Dec 2010 21:40:10 +0000 (UTC)
	(envelope-from bruce@cran.org.uk)
Received: from muon.cran.org.uk (muon.cran.org.uk
	[IPv6:2a01:348:0:15:5d59:5c40:0:1])
	by mx1.freebsd.org (Postfix) with ESMTP id CF24F8FC0C
	for <freebsd-geom@FreeBSD.org>; Sat, 18 Dec 2010 21:40:09 +0000 (UTC)
Received: from muon.cran.org.uk (localhost [127.0.0.1])
	by muon.cran.org.uk (Postfix) with ESMTP id F183AE61E3;
	Sat, 18 Dec 2010 21:40:08 +0000 (GMT)
DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=cran.org.uk; h=date:from
	:to:cc:subject:message-id:in-reply-to:references:mime-version
	:content-type:content-transfer-encoding; s=mail; bh=gM7I4SwNKHbd
	ofp5i13so7sTZQg=; b=I1tGeGe/nQkB+RfsivostGL/aRKG+u05Kf/qw3v5l7iT
	6LsYjWA2FltCAavpuiI1T3fbUDOpRekWXNFP1/KxFQUrWkpPK4ooM5BHm9QPL6vd
	yeheywEj19Q6jrMSxTXUvKMjsTLjQm7LKT0nb4NOKwqDXxxzjPB5MzBh/uameyo=
DomainKey-Signature: a=rsa-sha1; c=nofws; d=cran.org.uk; h=date:from:to
	:cc:subject:message-id:in-reply-to:references:mime-version
	:content-type:content-transfer-encoding; q=dns; s=mail; b=E6wujZ
	Il9kDvqwXaPZSrmkQFWsG99Onxy0ML8RP48x82NkKnqDVdMwVoVAnf5ZytmK4rPi
	Vbn6Sm+pX1YwL1uadj+KWXAVwtMUFuF7zPiCmDm+6xSB0u/0t4ZeQONicB4WQ9Mz
	Hf9Tx4wElGyguuNC1+TJrPyFd8k0XmTjqcLLY=
Received: from unknown (client-86-29-47-22.glfd.adsl.virginmedia.com
	[86.29.47.22])
	(using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits))
	(No client certificate requested)
	by muon.cran.org.uk (Postfix) with ESMTPSA id AEAAEE61DF;
	Sat, 18 Dec 2010 21:40:08 +0000 (GMT)
Date: Sat, 18 Dec 2010 21:40:03 +0000
From: Bruce Cran <bruce@cran.org.uk>
To: Lev Serebryakov <lev@serebryakov.spb.ru>
Message-ID: <20101218214003.0000154d@unknown>
In-Reply-To: <1701263071.20101219003441@serebryakov.spb.ru>
References: <1701263071.20101219003441@serebryakov.spb.ru>
X-Mailer: Claws Mail 3.7.6 (GTK+ 2.16.0; i586-pc-mingw32msvc)
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Cc: freebsd-geom@FreeBSD.org
Subject: Re: Good configurable I/O benchmark?
X-BeenThere: freebsd-geom@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: GEOM-specific discussions and implementations
	<freebsd-geom.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-geom>,
	<mailto:freebsd-geom-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-geom>
List-Post: <mailto:freebsd-geom@freebsd.org>
List-Help: <mailto:freebsd-geom-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-geom>,
	<mailto:freebsd-geom-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 18 Dec 2010 21:40:10 -0000

On Sun, 19 Dec 2010 00:34:41 +0300
Lev Serebryakov <lev@serebryakov.spb.ru> wrote:

>   Is here any good I/O benchmark? What do I mean by `good':
> 
>  (1) Multiprocess workloads with different workloads per processe
> (thread) (a) Sequential R or W.
>    (b) Random R and W with configurable R:W ratio.
>    (c) Configurable min/max/avg distance seek in random workloads.
>  (2) All above with configurable block size.
>  (3) All of above with configurable I/O queue depth.

It sounds like sysutils/fio should do a lot of that.

-- 
Bruce Cran