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

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Message-ID: <450AB506.30802@sgi.com>
Date:	Fri, 15 Sep 2006 16:13:26 +0200
From:	Jes Sorensen <jes@....com>
To:	karim@...rsys.com
Cc:	Paul Mundt <lethal@...ux-sh.org>,
	Roman Zippel <zippel@...ux-m68k.org>,
	Ingo Molnar <mingo@...e.hu>,
	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>,
	linux-kernel@...r.kernel.org,
	Christoph Hellwig <hch@...radead.org>,
	Andrew Morton <akpm@...l.org>, Ingo Molnar <mingo@...hat.com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Thomas Gleixner <tglx@...utronix.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

Karim Yaghmour wrote:
> Paul Mundt wrote:
>> subjective, LTT proved that this was a problem regarding general
>> code-level intrusiveness when the number of tracepoints in relatively
>> close locality started piling up based on what people considered
>> arbitrarily useful, and LTTng doesn't appear to do anything to address
>> this.
> 
> "LTT proved that ..." what are you talking about? Have you noticed
> the posting earlier regarding the fact that the ltt tracepoints did
> not change over a 5 year span? **five** years ... Where do you get
> this claim that ltt trace points "started piling up"? Have a look
> at figure 2 of this article and let me know exactly which of those
> tracepoints are actually a problem to you:

Because other people have tried to use LTT for additional projects,
but said projects haven't been integrated into LTT. In other words,
just because *you* haven't added those, doesn't mean someone else
won't try and do it later, if LTT was integrated.

Nice try!

Jes
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