linux-kernel - Re: [PATCH 0/11] LTTng-core (basic tracing infrastructure) 0.5.108

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Message-ID: <20060916231407.GA23132@elte.hu>
Date:	Sun, 17 Sep 2006 01:14:07 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Roman Zippel <zippel@...ux-m68k.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>, karim@...rsys.com,
	Andrew Morton <akpm@...l.org>,
	Paul Mundt <lethal@...ux-sh.org>, Jes Sorensen <jes@....com>,
	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>,
	linux-kernel@...r.kernel.org,
	Christoph Hellwig <hch@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Tom Zanussi <zanussi@...ibm.com>, ltt-dev@...fik.org,
	Michel Dagenais <michel.dagenais@...ymtl.ca>
Subject: Re: [PATCH 0/11] LTTng-core (basic tracing infrastructure) 0.5.108


* Roman Zippel <zippel@...ux-m68k.org> wrote:

> [...] instead of delving further into secondary issues, please let me 
> get back to the primary issues [...]

here's a list of some of those "secondary issues" that we were 
discussing, and which you opted not to "further dvelve into":

firstly, a factually wrong statement of yours:

> [...] any tracepoints have an maintainance overhead, which is barely 
> different between dynamic and static tracing [...]

secondly, a factually wrong statement of yours:

> [...] at the source level you can remove a static tracepoint as easily 
> as a dynamic tracepoint, [...]

thirdly, a factually wrong statement of yours:

> [...] It would also add virtually no maintainance overhead [...]

[see the previous mails for the full context on these items.]

	Ingo
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