From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261709AbVFKOaM (ORCPT ); Sat, 11 Jun 2005 10:30:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261713AbVFKOaL (ORCPT ); Sat, 11 Jun 2005 10:30:11 -0400 Received: from opersys.com ([64.40.108.71]:13828 "EHLO www.opersys.com") by vger.kernel.org with ESMTP id S261709AbVFKOaD (ORCPT ); Sat, 11 Jun 2005 10:30:03 -0400 Subject: Re: PREEMPT_RT vs ADEOS: the numbers, part 1 From: Kristian Benoit To: Nick Piggin Cc: Ingo Molnar , linux-kernel@vger.kernel.org, paulmck@us.ibm.com, bhuey@lnxw.com, andrea@suse.de, tglx@linutronix.de, Karim Yaghmour , pmarques@grupopie.com, bruce@andrew.cmu.edu, ak@muc.de, sdietrich@mvista.com, dwalker@mvista.com, hch@infradead.org, akpm@osdl.org, rpm@xenomai.org In-Reply-To: <42AA9651.4050404@yahoo.com.au> References: <42AA6A6B.5040907@opersys.com> <20050611070845.GA4609@elte.hu> <42AA9651.4050404@yahoo.com.au> Content-Type: text/plain Date: Sat, 11 Jun 2005 10:28:06 -0400 Message-Id: <1118500086.5786.28.camel@localhost> Mime-Version: 1.0 X-Mailer: Evolution 2.0.4 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 2005-06-11 at 17:44 +1000, Nick Piggin wrote: > Ingo Molnar wrote: > > could you send me the .config you used for the PREEMPT_RT tests? Also, > > you used -47-08, which was well prior the current round of performance > > improvements, so you might want to re-run with something like -48-06 or > > better. > > > > The other thing that would be really interesting is to test latencies > of various other kernel functionalities in the RT kernel (eg. message > passing, maybe pipe or localhost read/write, signals, fork/clone/exit, > mmap/munmap, faulting in shared memory, or whatever else is important > to the RT crowd). It is'nt be really hard to had different tests to the actual test set. You'll be able to make your own tests soon.