From owner-freebsd-performance@FreeBSD.ORG  Thu Sep 30 18:37:37 2010
Return-Path: <owner-freebsd-performance@FreeBSD.ORG>
Delivered-To: freebsd-performance@FreeBSD.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 8D988106564A
	for <freebsd-performance@FreeBSD.org>;
	Thu, 30 Sep 2010 18:37:37 +0000 (UTC) (envelope-from avg@icyb.net.ua)
Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140])
	by mx1.freebsd.org (Postfix) with ESMTP id DA79B8FC13
	for <freebsd-performance@FreeBSD.org>;
	Thu, 30 Sep 2010 18:37:36 +0000 (UTC)
Received: from odyssey.starpoint.kiev.ua (alpha-e.starpoint.kiev.ua
	[212.40.38.101])
	by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id VAA26963;
	Thu, 30 Sep 2010 21:23:59 +0300 (EEST)
	(envelope-from avg@icyb.net.ua)
Message-ID: <4CA4D5BE.5030502@icyb.net.ua>
Date: Thu, 30 Sep 2010 21:23:58 +0300
From: Andriy Gapon <avg@icyb.net.ua>
User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US;
	rv:1.9.2.9) Gecko/20100920 Lightning/1.0b2 Thunderbird/3.1.4
MIME-Version: 1.0
To: "R.P. Aditya" <aditya@grot.org>
References: <slrnia9k5s.2psp.aditya@tiny.grot.org>
In-Reply-To: <slrnia9k5s.2psp.aditya@tiny.grot.org>
X-Enigmail-Version: 1.1.2
Content-Type: text/plain; charset=KOI8-U
Content-Transfer-Encoding: 7bit
X-Mailman-Approved-At: Thu, 30 Sep 2010 19:35:48 +0000
Cc: freebsd-performance@FreeBSD.org
Subject: Re: monitoring per-process disk io
X-BeenThere: freebsd-performance@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Performance/tuning <freebsd-performance.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-performance>,
	<mailto:freebsd-performance-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-performance>
List-Post: <mailto:freebsd-performance@freebsd.org>
List-Help: <mailto:freebsd-performance-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-performance>,
	<mailto:freebsd-performance-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 30 Sep 2010 18:37:37 -0000

on 30/09/2010 21:02 R.P. Aditya said the following:
> I'm trying to monitor, over the long-term, per-process disk IO (a
> counter of bytes read and written per pid would be ideal).
> 
> I currently monitor per pid cpu and memory usage using the SNMP
> Host-Resources MIB, however I don't see any oids for io (disk or
> otherwise) per oid.
> 
> The closest I've come to finding what I want -- per-process disk IO
> stats -- is the Linux tool dstat -- something like "screenshot 3" at:
> 
>   http://dag.wieers.com/home-made/dstat/
> 
> which is the output of:
> 
>   dstat -c --top-cpu -d --top-bio --top-latency
> 
> would be good...iostat, vmstat don't give that sort of info...
> 
> any suggestions or hints? 

1) top -m io
2) rolling your own customized monitoring using dtrace

-- 
Andriy Gapon