From owner-freebsd-questions Mon Aug 28 2:17:57 2000 Delivered-To: freebsd-questions@freebsd.org Received: from b41.ryd.student.liu.se (b41.ryd.student.liu.se [130.236.233.41]) by hub.freebsd.org (Postfix) with ESMTP id 2C99437B423 for ; Mon, 28 Aug 2000 02:17:54 -0700 (PDT) Received: by b41.ryd.student.liu.se (Postfix, from userid 1000) id 97C8117E; Mon, 28 Aug 2000 11:18:27 +0200 (CEST) Date: Mon, 28 Aug 2000 11:18:27 +0200 From: Johan Pettersson To: Johan Petersson Cc: freebsd-questions@freebsd.org Subject: Re: CPU load vs. load average Message-ID: <20000828111827.A467@b41.ryd.student.liu.se> Mail-Followup-To: Johan Pettersson , Johan Petersson , freebsd-questions@freebsd.org References: <20000827143851.6744.qmail@nwcst319.netaddress.usa.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20000827143851.6744.qmail@nwcst319.netaddress.usa.net>; from kjep@usa.net on Sun, Aug 27, 2000 at 04:38:50PM +0200 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Sun, Aug 27, 2000 at 04:38:50PM +0200, Johan Petersson wrote: > Hi everyone, > > I recently discovered that when I send or receive a fax using HylaFAX > and a class 1 modem the load average goes up to about 0.7 while the > CPU stays at 99% idle. How can this be? I always thought that load > average was a rough measurement of CPU load but I now guess it's not? > Could someone please explain the difference to me? > > Regards > Johan Petersson > Hello! -From UNIX System Administration Handbook- The "load average", the average number of runnable processes, includes processes waiting for disk and network I/O. So it is not a pure measure of CPU use. --Johan To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message