From owner-freebsd-questions@FreeBSD.ORG  Wed Jul 25 17:45:28 2007
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
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 66A7D16A41A
	for <freebsd-questions@freebsd.org>;
	Wed, 25 Jul 2007 17:45:27 +0000 (UTC)
	(envelope-from wmoran@potentialtech.com)
Received: from mail.potentialtech.com (internet.potentialtech.com
	[66.167.251.6])
	by mx1.freebsd.org (Postfix) with ESMTP id DCFB113C46C
	for <freebsd-questions@freebsd.org>;
	Wed, 25 Jul 2007 17:45:25 +0000 (UTC)
	(envelope-from wmoran@potentialtech.com)
Received: from vanquish.pitbpa0.priv.collaborativefusion.com
	(pr40.pitbpa0.pub.collaborativefusion.com [206.210.89.202])
	(using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))
	(No client certificate requested)
	by mail.potentialtech.com (Postfix) with ESMTP id 78BD9EBC78;
	Wed, 25 Jul 2007 13:45:24 -0400 (EDT)
Date: Wed, 25 Jul 2007 13:45:23 -0400
From: Bill Moran <wmoran@potentialtech.com>
To: Zbigniew Szalbot <zbigniew@szalbot.homedns.org>
Message-Id: <20070725134523.47efabb7.wmoran@potentialtech.com>
In-Reply-To: <45aa0f1ea2aa8ccfedf482bc63ea8723@szalbot.homedns.org>
References: <45aa0f1ea2aa8ccfedf482bc63ea8723@szalbot.homedns.org>
X-Mailer: Sylpheed 2.3.1 (GTK+ 2.10.11; i386-portbld-freebsd6.1)
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Cc: Freebsd questions <freebsd-questions@freebsd.org>
Subject: Re: logging system load
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 25 Jul 2007 17:45:28 -0000

In response to Zbigniew Szalbot <zbigniew@szalbot.homedns.org>:

> 
> Dear all,
> 
> Is there a tool similar to top which would measure system load and write it
> to a file that could later be analyzed? The time when my system is most
> loaded happens between 3 and 5 a.m. so a trace of the system load would be
> a wonderful thing to have. I need it to tailor some of the jobs
> accordingly. Any advice?
> 
> Thanks in advance!

If top's output suits your needs, you could write a script that runs top
in a loop and redirects to a file during the time in question.

If you want longer-term monitoring, something like MRTG or Cacti might
fit you better.

-- 
Bill Moran
http://www.potentialtech.com