From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965252AbWFINLe (ORCPT ); Fri, 9 Jun 2006 09:11:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965254AbWFINLe (ORCPT ); Fri, 9 Jun 2006 09:11:34 -0400 Received: from www.osadl.org ([213.239.205.134]:51844 "EHLO mail.tglx.de") by vger.kernel.org with ESMTP id S965252AbWFINLd (ORCPT ); Fri, 9 Jun 2006 09:11:33 -0400 Subject: Re: 2.6.17-rc6-rt1 From: Thomas Gleixner Reply-To: tglx@linutronix.de To: =?ISO-8859-1?Q?S=E9bastien_Dugu=E9?= Cc: Mike Galbraith , Ingo Molnar , linux-kernel@vger.kernel.org, John Stultz , Deepak Saxena In-Reply-To: <1149857821.3829.42.camel@frecb000686> References: <20060607211455.GA6132@elte.hu> <1149842550.7585.27.camel@Homer.TheSimpsons.net> <1149847951.3829.26.camel@frecb000686> <1149852951.7421.7.camel@Homer.TheSimpsons.net> <1149853468.3829.33.camel@frecb000686> <1149855638.7413.8.camel@Homer.TheSimpsons.net> <1149857821.3829.42.camel@frecb000686> Content-Type: text/plain; charset=utf-8 Date: Fri, 09 Jun 2006 15:11:53 +0200 Message-Id: <1149858713.5257.146.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.6.1 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2006-06-09 at 14:57 +0200, Sébastien Dugué wrote: > All the round trips under strace are in the 2ms range. > > How on earth can it be that stracing the ping gives better > performance??? Was busy fixing a scheduling while atomic bug. I just verified that I have the same weird behaviour. I'm looking into it. tglx