Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751439AbWIONpN (ORCPT ); Fri, 15 Sep 2006 09:45:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751445AbWIONpN (ORCPT ); Fri, 15 Sep 2006 09:45:13 -0400 Received: from omx1-ext.sgi.com ([192.48.179.11]:46795 "EHLO omx1.americas.sgi.com") by vger.kernel.org with ESMTP id S1751439AbWIONpK (ORCPT ); Fri, 15 Sep 2006 09:45:10 -0400 Message-ID: <450AAE39.4040205@sgi.com> Date: Fri, 15 Sep 2006 15:44:25 +0200 From: Jes Sorensen User-Agent: Thunderbird 1.5.0.4 (X11/20060527) MIME-Version: 1.0 To: Roman Zippel Cc: Paul Mundt , Karim Yaghmour , Ingo Molnar , Mathieu Desnoyers , linux-kernel@vger.kernel.org, Christoph Hellwig , Andrew Morton , Ingo Molnar , Greg Kroah-Hartman , Thomas Gleixner , Tom Zanussi , ltt-dev@shafik.org, Michel Dagenais Subject: Re: [PATCH 0/11] LTTng-core (basic tracing infrastructure) 0.5.108 References: <20060914112718.GA7065@elte.hu> <20060914135548.GA24393@elte.hu> <20060914171320.GB1105@elte.hu> <20060914181557.GA22469@elte.hu> <4509A54C.1050905@opersys.com> <450A9EC9.9080307@opersys.com> <20060915132052.GA7843@localhost.usen.ad.jp> In-Reply-To: X-Enigmail-Version: 0.94.0.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1038 Lines: 27 Roman Zippel wrote: > The claim that these tracepoints would be maintainance burden is pretty > much unproven so far. The static tracepoint haters just assume the kernel > will be littered with thousands of unrelated tracepoints, where a good > tracepoint would only document what already happens in that function, so > that the tracepoint would be far from something obscure, which only few > people could understand and maintain. How do you propose to handle the case where two tracepoint clients wants slightly different data from the same function? I saw this with LTT users where someone wanted things in different places in schedule(). It *is* a nightmare to maintain. You still haven't explained your argument about kprobes not being generally available - where? Cheers, Jes - 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/