Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758037AbXLLSkA (ORCPT ); Wed, 12 Dec 2007 13:40:00 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758434AbXLLSjn (ORCPT ); Wed, 12 Dec 2007 13:39:43 -0500 Received: from nz-out-0506.google.com ([64.233.162.238]:56960 "EHLO nz-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758393AbXLLSjm (ORCPT ); Wed, 12 Dec 2007 13:39:42 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; b=QNdXZUhXVoIKbGE0tleKaSGAPm5IwjgjesFUcKV2waXx79+Uy2CkjnEZpovQ9F5yu//GKlTnhK3HIYhDj9R7RxAi0gR51EJanASiJRz/Uu5HGEkIjx0AZaic4GowY7oXPcO0UzONJQthkmkfNyypDVPPwocv5QPBogmTjuLvpo8= Message-ID: Date: Wed, 12 Dec 2007 10:39:40 -0800 From: "SL Baur" To: "Rene Herman" Subject: Re: [RFT] Port 0x80 I/O speed 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 In-Reply-To: <475F1DC6.5090403@keyaccess.nl> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <475F1DC6.5090403@keyaccess.nl> X-Google-Sender-Auth: 6a48fc4a58a2e9f8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 766 Lines: 22 On 12/11/07, 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. model name : Intel(R) Pentium(R) 4 CPU 3.20GHz cpu MHz : 3201.345 cycles: out 3026, in 2204 cycles: out 3031, in 2182 cycles: out 3019, in 2196 cycles: out 3030, in 2201 cycles: out 3013, in 2186 -sb -- 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/