Re: [ltt-dev] LTTng kernel integration roadmap, update

From: Mathieu Desnoyers <compudj@krystal.dyndns.org>
To: Christoph Hellwig <hch@infradead.org>
Cc: Linus Torvalds <torvalds@osdl.org>, Andrew Morton <akpm@osdl.org>,
	linux-kernel@vger.kernel.org,
	Steven Rostedt <rostedt@goodmis.org>,
	ltt-dev@lists.casi.polymtl.ca, Ingo Molnar <mingo@elte.hu>,
	Sam Ravnborg <sam@ravnborg.org>,
	Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [ltt-dev] LTTng kernel integration roadmap, update
Date: Tue, 25 Nov 2008 03:47:18 -0500	[thread overview]
Message-ID: <20081125084718.GA28206@Krystal> (raw)
In-Reply-To: <20081125082414.GA28031@infradead.org>

* Christoph Hellwig (hch@infradead.org) wrote:
> On Mon, Nov 24, 2008 at 07:20:55AM -0500, Mathieu Desnoyers wrote:
> > The key idea behind this is to answer to Thomas Gleixner concerns, who
> > supports that a tracer should output data in text-format only so it can
> > be used with tools kernel developers have on their system, like "cat".
> 
> Last time I talked to Thomas and others it wasn't "text only" but text
> also in that you can just cat a debugfs file for simple tracing.  And I
> totally agree with that.  If you don't trace too much that's absolutely
> enough.  It's not enough for large traces on highly loaded enterprise
> or high-end embedded systems or things like flight recorder tracing, but
> for those requiring an external viewer is just fine.
> 

Ok, thanks for the clarification. This will be pretty much
straightforward to implement.

Mathieu

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Mathieu Desnoyers
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