From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261302AbVFMAxm (ORCPT ); Sun, 12 Jun 2005 20:53:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261301AbVFMAxm (ORCPT ); Sun, 12 Jun 2005 20:53:42 -0400 Received: from titan.genwebhost.com ([209.9.226.66]:57038 "EHLO titan.genwebhost.com") by vger.kernel.org with ESMTP id S261302AbVFMAxk (ORCPT ); Sun, 12 Jun 2005 20:53:40 -0400 Date: Sun, 12 Jun 2005 17:53:17 -0700 From: randy_dunlap To: Sven-Thorsten Dietrich Cc: andrea@suse.de, karim@opersys.com, mingo@elte.hu, kbenoit@opersys.com, linux-kernel@vger.kernel.org, paulmck@us.ibm.com, bhuey@lnxw.com, tglx@linutronix.de, pmarques@grupopie.com, bruce@andrew.cmu.edu, nickpiggin@yahoo.com.au, ak@muc.de, dwalker@mvista.com, hch@infradead.org, akpm@osdl.org, rpm@xenomai.org Subject: Re: PREEMPT_RT vs ADEOS: the numbers, part 1 Message-Id: <20050612175317.1fa416e6.rdunlap@xenotime.net> In-Reply-To: <1118617421.12889.71.camel@sdietrich-xp.vilm.net> References: <42AA6A6B.5040907@opersys.com> <20050611191448.GA24152@elte.hu> <42AB662B.4010104@opersys.com> <20050612222011.GG5796@g5.random> <1118617421.12889.71.camel@sdietrich-xp.vilm.net> Organization: YPO4 X-Mailer: Sylpheed version 1.0.4 (GTK+ 1.2.10; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - titan.genwebhost.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [0 0] / [47 12] X-AntiAbuse: Sender Address Domain - xenotime.net X-Source: X-Source-Args: X-Source-Dir: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 12 Jun 2005 16:03:41 -0700 Sven-Thorsten Dietrich wrote: | On Mon, 2005-06-13 at 00:20 +0200, Andrea Arcangeli wrote: | > On Sat, Jun 11, 2005 at 06:31:07PM -0400, Karim Yaghmour wrote: | > > The logger used two TSC values. One prior to shooting the interrupt to the | > > target, and one when receiving the response. Responding to an interrupt | > | > Real life RT apps would run the second rdtsc in user space and not | > kernel space, right? | > | > And thanks for your benchmarking efforts! | | Real-life RT apps are not benchmarks! | | There is not requirement for them to run in user space or in kernel | space. | | The choice is left to the application designer. Wouldn't the company's attorney/lawyer/counsel be considered too? After all, in-kernel would likely have some legal ramifications... --- ~Randy