Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 13 Mar 2003 09:18:06 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 13 Mar 2003 09:18:06 -0500 Received: from pusa.informat.uv.es ([147.156.10.98]:38857 "EHLO pusa.informat.uv.es") by vger.kernel.org with ESMTP id ; Thu, 13 Mar 2003 09:18:05 -0500 Date: Thu, 13 Mar 2003 15:28:44 +0100 To: Srihari Vijayaraghavan Cc: linux-kernel@vger.kernel.org Subject: OFFTOPIC: Re: Request for help - tcpdump on many ethernet cards simulateneously Message-ID: <20030313142844.GA22679@pusa.informat.uv.es> References: <200303140051.19453.harisri@bigpond.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <200303140051.19453.harisri@bigpond.com> User-Agent: Mutt/1.3.28i From: uaca@alumni.uv.es Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1288 Lines: 33 On Fri, Mar 14, 2003 at 12:51:19AM +1100, Srihari Vijayaraghavan wrote: [...] > What I am really worried about is kernel may start dropping the packets after > few hours/days and/or tcpdump/kernel may not be able to keep up with the > network load due to IO load on the hard drives, memory pressure etc.. find a libpcap using CONFIG_PACKET_MMAP, and you will probably forget about drops IMHO if you do find it, please let me now I'm currently using pandora's monitor modified libpcap.... GREAT I think that Linux is the only OS that provides user space buffers to packet capture... am I wrong? Maybe this is an offtopic on this mailing list... ...so this is my first and last mail about it here. Ulisses Debian GNU/Linux: a dream come true ----------------------------------------------------------------------------- "Computers are useless. They can only give answers." Pablo Picasso ---> Visita http://www.valux.org/ para saber acerca de la <--- ---> Asociaci?n Valenciana de Usuarios de Linux <--- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/