From owner-freebsd-current Sat Oct 5 2: 9:42 2002 Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9EE4137B401 for ; Sat, 5 Oct 2002 02:09:41 -0700 (PDT) Received: from mailout02.sul.t-online.com (mailout02.sul.t-online.com [194.25.134.17]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0D5B343E3B for ; Sat, 5 Oct 2002 02:09:41 -0700 (PDT) (envelope-from Alexander@Leidinger.net) Received: from fwd09.sul.t-online.de by mailout02.sul.t-online.com with smtp id 17xkwK-0003XA-03; Sat, 05 Oct 2002 11:09:36 +0200 Received: from Andro-Beta.Leidinger.net (520065502893-0001@[80.131.122.180]) by fmrl09.sul.t-online.com with esmtp id 17xkw9-22ZAfYC; Sat, 5 Oct 2002 11:09:25 +0200 Received: from Magelan.Leidinger.net (Magelan [192.168.1.1]) by Andro-Beta.Leidinger.net (8.12.6/8.12.6) with ESMTP id g9599NCg030614; Sat, 5 Oct 2002 11:09:23 +0200 (CEST) (envelope-from Alexander@Leidinger.net) Received: from Magelan.Leidinger.net (netchild@localhost [127.0.0.1]) by Magelan.Leidinger.net (8.12.6/8.12.6) with SMTP id g9599Nwc000978; Sat, 5 Oct 2002 11:09:23 +0200 (CEST) (envelope-from Alexander@Leidinger.net) Date: Sat, 5 Oct 2002 11:09:23 +0200 From: Alexander Leidinger To: Matthew Dillon Cc: current@FreeBSD.ORG Subject: Re: Meaning of net.inet.tcp.inflight_debug output? Message-Id: <20021005110923.0c9d9a68.Alexander@Leidinger.net> In-Reply-To: <200210041834.g94IYkBR003033@apollo.backplane.com> References: <20021004135022.3decb56f.Alexander@Leidinger.net> <200210041834.g94IYkBR003033@apollo.backplane.com> X-Mailer: Sylpheed version 0.8.2claws (GTK+ 1.2.10; i386-portbld-freebsd5.0) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Sender: 520065502893-0001@t-dialin.net Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Fri, 4 Oct 2002 11:34:46 -0700 (PDT) Matthew Dillon wrote: > When you turn the debugging on it will print out various > parameters used to calculate the bandwidth window. The higher the > debug value, the more often it prints out the stats (assuming a > TCP is under load). Since the stats may reflect any tcp connection > you typically only do this while running a single TCP connection > under heavy load. So shouldn't it be off by default? > rttbest and srtt are scaled to hz * 32, I believe (I'm not > positive). So with the default 100 hz it would be scaled to 3200, > so an rttbest of 680 would translate to 212mS. Sounds like a > connection over a modem. On my side there's a DSL line (768k up / 128k down), I don't know what was on the other side for this particular example. Bye, Alexander. -- The best things in life are free, but the expensive ones are still worth a look. http://www.Leidinger.net Alexander @ Leidinger.net GPG fingerprint = C518 BC70 E67F 143F BE91 3365 79E2 9C60 B006 3FE7 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message