Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756892AbXLLBTS (ORCPT ); Tue, 11 Dec 2007 20:19:18 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753292AbXLLBTJ (ORCPT ); Tue, 11 Dec 2007 20:19:09 -0500 Received: from smtp1.betherenow.co.uk ([87.194.0.68]:60650 "EHLO smtp1.bethere.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753390AbXLLBTH (ORCPT ); Tue, 11 Dec 2007 20:19:07 -0500 From: Alistair John Strachan To: Rene Herman Subject: Re: [RFT] Port 0x80 I/O speed Date: Wed, 12 Dec 2007 01:19:02 +0000 User-Agent: KMail/1.9.7 Cc: Linux Kernel , dpreed@reed.com, Alan Cox , pavel@ucw.cz, andi@firstfloor.org, rol@as2917.net, Krzysztof Halasa , david@davidnewall.com, hpa@zytor.com, john@stoffel.org, linux-os@analogic.com References: <475F1DC6.5090403@keyaccess.nl> In-Reply-To: <475F1DC6.5090403@keyaccess.nl> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200712120119.02356.alistair@devzero.co.uk> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 680 Lines: 22 On Tuesday 11 December 2007 23:31:18 Rene Herman wrote: > Good day. > > Would some people on x86 (both 32 and 64) be kind enough to compile and run > the attached program? This is about testing how long I/O port access to > port 0x80 takes. It measures in CPU cycles so CPU speed is crucial in > reporting. cycles: out 2712, in 2606 1.5GHz C7, Via chipset. 32bit OS. -- Cheers, Alistair. 137/1 Warrender Park Road, Edinburgh, UK. -- 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/