Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751689AbWIOUE3 (ORCPT ); Fri, 15 Sep 2006 16:04:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751690AbWIOUE3 (ORCPT ); Fri, 15 Sep 2006 16:04:29 -0400 Received: from www.osadl.org ([213.239.205.134]:15845 "EHLO mail.tglx.de") by vger.kernel.org with ESMTP id S1751689AbWIOUE1 (ORCPT ); Fri, 15 Sep 2006 16:04:27 -0400 Subject: Re: [PATCH 0/11] LTTng-core (basic tracing infrastructure) 0.5.108 From: Thomas Gleixner Reply-To: tglx@linutronix.de To: Roman Zippel Cc: Ingo Molnar , Alan Cox , "Frank Ch. Eigler" , karim@opersys.com, Tim Bird , Mathieu Desnoyers , linux-kernel@vger.kernel.org, Christoph Hellwig , Andrew Morton , Ingo Molnar , Greg Kroah-Hartman , Tom Zanussi , ltt-dev@shafik.org, Michel Dagenais In-Reply-To: References: <1158323938.29932.23.camel@localhost.localdomain> <1158327696.29932.29.camel@localhost.localdomain> <1158331277.29932.66.camel@localhost.localdomain> <450ABA2A.9060406@opersys.com> <1158332324.29932.82.camel@localhost.localdomain> <1158345108.29932.120.camel@localhost.localdomain> <20060915181208.GA17581@elte.hu> Content-Type: text/plain Date: Fri, 15 Sep 2006 22:05:16 +0200 Message-Id: <1158350716.5724.488.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.6.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1074 Lines: 27 On Fri, 2006-09-15 at 21:10 +0200, Roman Zippel wrote: > > > > this is being worked on actively: there's the "djprobes" patchset, which > > includes a simplified disassembler to analyze common target code and can > > thus insert much faster, call-a-trampoline-function based tracepoints > > that are just as fast as (or faster than) compile-time, static > > tracepoints. > > Who is going to implement this for every arch? > Is this now the official party line that only archs, which implement all > of this, can make use of efficient tracing? In the reverse you are enforcing an ugly - but available for all archs - solution due to the fact that there is nobody interested enough to implement it ? If there is no interest to do that, then this arch can probably live w/o instrumentation for the next decade too. tglx - 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/