Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753664Ab0AITr4 (ORCPT ); Sat, 9 Jan 2010 14:47:56 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752948Ab0AITrz (ORCPT ); Sat, 9 Jan 2010 14:47:55 -0500 Received: from ms01.sssup.it ([193.205.80.99]:33640 "EHLO sssup.it" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752380Ab0AITrz (ORCPT ); Sat, 9 Jan 2010 14:47:55 -0500 Message-ID: <4B48DD61.2060401@gandalf.sssup.it> Date: Sat, 09 Jan 2010 20:47:45 +0100 From: Michael Trimarchi User-Agent: Mozilla-Thunderbird 2.0.0.22 (X11/20090707) MIME-Version: 1.0 To: "Paul G. Allen" CC: Samuel Thibault , linux-kernel Subject: Re: Linux Serial Performance References: <20100109191025.GK4757@const.famille.thibault.fr> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 990 Lines: 34 Paul G. Allen wrote: > Well, as far as I know. Same code on both systems. The embedded device > operates at 115200, 8N1, no flow control. It uses RPC/SLIP protocol > for commands and data. They talk to each other, but the Linux system > just takes forever to send the data. > Serial Line Ip protocol? Can be a problem of your routing table? Michael > PGA > > On Sat, Jan 9, 2010 at 11:10 AM, Samuel Thibault > wrote: > >> Paul G. Allen, le Sat 09 Jan 2010 10:57:48 -0800, a écrit : >> >>> In all cases, the profiler shows the serial Tx >>> to be about 20x faster (twenty times) on Windows XP than in Linux. >>> >> Did you properly set the serial port speed? >> >> Samuel >> >> > > > > -- 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/