From owner-freebsd-arch Mon Jan 14 6:18:18 2002 Delivered-To: freebsd-arch@freebsd.org Received: from thehousleys.net (frenchknot.ne.mediaone.net [66.31.234.148]) by hub.freebsd.org (Postfix) with ESMTP id 45EE637B404; Mon, 14 Jan 2002 06:18:11 -0800 (PST) Received: (from root@localhost) by thehousleys.net (8.11.6/8.11.2) id g0EEI3C29056; Mon, 14 Jan 2002 09:18:03 -0500 (EST) (envelope-from jeh@FreeBSD.org) Received: from FreeBSD.org (baby.int.thehousleys.net [192.168.0.125]) (authenticated) by thehousleys.net (8.11.6/8.11.6) with ESMTP id g0EEI1N29048; Mon, 14 Jan 2002 09:18:01 -0500 (EST) (envelope-from jeh@FreeBSD.org) Message-ID: <3C42E899.CB21BD0A@FreeBSD.org> Date: Mon, 14 Jan 2002 09:18:01 -0500 From: "James E. Housley" Organization: FreeBSD X-Mailer: Mozilla 4.79 [en] (X11; U; Linux 2.4.2 i386) X-Accept-Language: en MIME-Version: 1.0 To: Terry Lambert Cc: Thomas Hurst , arch@FreeBSD.org Subject: Re: 64 bit counters again References: <3C41F3FD.4ECC8CD@mindspring.com> <20020113231459.GA30349@voi.aagh.net> <3C42390A.F9E9F533@mindspring.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Virus-Scanned: by AMaViS perl-10 Sender: owner-freebsd-arch@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Terry Lambert wrote: > > My personal opinion is that the utility of the counters is > mostly in the examination of small deltas, or delta measurement > over intervals (c.v. the recent "sar" discussion); is there a > particular reason that making them more expensive to get 64 > bits of accuracy is needed to fulfill? > Right now I am trying to do network usage on the overflows the 32 bit counters in 60 120 seconds. That means the netstat values are useless, mrtg and other programs that poll for results every 5 minutes or so are useless. If I want to get good data I have to get the counts every 10 seconds or so to get reasonable results. Jim -- /"\ ASCII Ribbon Campaign . \ / - NO HTML/RTF in e-mail . X - NO Word docs in e-mail . / \ ----------------------------------------------------------------- jeh@FreeBSD.org http://www.FreeBSD.org The Power to Serve jim@TheHousleys.Net http://www.TheHousleys.net jhousley@SimTel.Net http://www.SimTel.Net --------------------------------------------------------------------- "It's a damn poor mind that can only think of one way to spell a word." -- Andrew Jackson To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message