Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261532AbVBAUbW (ORCPT ); Tue, 1 Feb 2005 15:31:22 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262098AbVBAUbV (ORCPT ); Tue, 1 Feb 2005 15:31:21 -0500 Received: from mustang.oldcity.dca.net ([216.158.38.3]:20131 "HELO mustang.oldcity.dca.net") by vger.kernel.org with SMTP id S261532AbVBAUbT (ORCPT ); Tue, 1 Feb 2005 15:31:19 -0500 Subject: Re: [patch] Real-Time Preemption, -RT-2.6.11-rc2-V0.7.36-04 From: Lee Revell To: Ingo Molnar Cc: Tom Rini , Bill Huey , linux-kernel@vger.kernel.org, Rui Nuno Capela , Mark_H_Johnson@Raytheon.com, "K.R. Foley" , Adam Heath , Florian Schmidt , Thomas Gleixner , Fernando Pablo Lopez-Lezcano , Steven Rostedt In-Reply-To: <20050201201704.GA32139@elte.hu> References: <20041124101626.GA31788@elte.hu> <20041203205807.GA25578@elte.hu> <20041207132927.GA4846@elte.hu> <20041207141123.GA12025@elte.hu> <20041214132834.GA32390@elte.hu> <20050104064013.GA19528@nietzsche.lynx.com> <20050104094518.GA13868@elte.hu> <20050107192651.GG5259@smtp.west.cox.net> <20050126080952.GC4771@elte.hu> <1107288076.18349.7.camel@krustophenia.net> <20050201201704.GA32139@elte.hu> Content-Type: text/plain Date: Tue, 01 Feb 2005 15:31:18 -0500 Message-Id: <1107289878.18349.20.camel@krustophenia.net> Mime-Version: 1.0 X-Mailer: Evolution 2.0.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 959 Lines: 26 On Tue, 2005-02-01 at 21:17 +0100, Ingo Molnar wrote: > * Lee Revell wrote: > > > Assuming it's still available, what is the config option to get the > > "User-space atomicity debugging" feature? This feature is extremely > > useful for debugging complex JACK clients, several Linux audio > > developers have asked me about it but I can't find the config option > > anymore. > > it's always-on in the -RT tree (it's a pretty low-overhead thing). I > havent changed the mechanism so the jackd hacks from a couple of weeks > ago should still work. > OK. So for application triggered tracing you need LATENCY_TRACING enabled, as described here: http://lkml.org/lkml/2004/10/29/312 Lee - 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/