From owner-freebsd-hackers@FreeBSD.ORG  Fri Apr  2 12:27:30 2004
Return-Path: <owner-freebsd-hackers@FreeBSD.ORG>
Delivered-To: freebsd-hackers@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id F3FBB16A4CE
	for <freebsd-hackers@freebsd.org>;
	Fri,  2 Apr 2004 12:27:29 -0800 (PST)
Received: from smtp.des.no (flood.des.no [217.116.83.31])
	by mx1.FreeBSD.org (Postfix) with ESMTP id B630243D53
	for <freebsd-hackers@freebsd.org>;
	Fri,  2 Apr 2004 12:27:29 -0800 (PST)	(envelope-from des@des.no)
Received: by smtp.des.no (Pony Express, from userid 666)
	id 7C7CA5310; Fri,  2 Apr 2004 22:27:28 +0200 (CEST)
Received: from dwp.des.no (des.no [80.203.228.37])
	by smtp.des.no (Pony Express) with ESMTP
	id B869B5319; Fri,  2 Apr 2004 22:27:23 +0200 (CEST)
Received: by dwp.des.no (Postfix, from userid 2602)
	id 9F43E33CAA; Fri,  2 Apr 2004 22:27:23 +0200 (CEST)
To: Jose Marcio Martins da Cruz <Jose-Marcio.Martins@ensmp.fr>
References: <406D6CEF.9030501@ensmp.fr>
From: des@des.no (Dag-Erling =?iso-8859-1?q?Sm=F8rgrav?=)
Date: Fri, 02 Apr 2004 22:27:23 +0200
In-Reply-To: <406D6CEF.9030501@ensmp.fr> (Jose Marcio Martins da Cruz's
 message of "Fri, 02 Apr 2004 15:38:55 +0200")
Message-ID: <xzpsmfm5dn8.fsf@dwp.des.no>
User-Agent: Gnus/5.090024 (Oort Gnus v0.24) Emacs/21.3 (berkeley-unix)
MIME-Version: 1.0
Content-Type: text/plain; charset=iso-8859-1
Content-Transfer-Encoding: quoted-printable
X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on flood.des.no
X-Spam-Level: 
X-Spam-Status: No, hits=0.0 required=5.0 tests=AWL autolearn=no version=2.63
cc: freebsd-hackers@freebsd.org
Subject: Re: Pointers about CPU load measuring
X-BeenThere: freebsd-hackers@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: Technical Discussions relating to FreeBSD
	<freebsd-hackers.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>,
	<mailto:freebsd-hackers-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-hackers>
List-Post: <mailto:freebsd-hackers@freebsd.org>
List-Help: <mailto:freebsd-hackers-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>,
	<mailto:freebsd-hackers-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 02 Apr 2004 20:27:30 -0000

Jose Marcio Martins da Cruz <Jose-Marcio.Martins@ensmp.fr> writes:
> Someone can send some pointers on how to measure global CPU load under
> FreeBSD from a C program ? I'm looking for values for
> idle/kernel/user, in a similar way as does top. Is there any pointer
> or doc ?. I'd like to avoir browsing top code.

Use sysctlbyname(3) to retrieve vm.loadavg, which is a struct loadavg
(defined in <sys/resource.h>)

DES
--=20
Dag-Erling Sm=F8rgrav - des@des.no