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Message-ID: <20070503080638.GA23000@infradead.org>
Date: Thu, 3 May 2007 09:06:38 +0100
From: Christoph Hellwig <hch@...radead.org>
To: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
Christoph Hellwig <hch@...radead.org>,
Andi Kleen <andi@...stfloor.org>, linux-kernel@...r.kernel.org,
rusty@...tcorp.com.au, wfg@...c.edu
Subject: Re: 2.6.22 -mm merge plans
On Wed, May 02, 2007 at 07:11:04PM -0400, Mathieu Desnoyers wrote:
> My statement was probably not clear enough. The actual marker code is
> useful as-is without any further kernel patching required : SystemTAP is
> an example where they use external modules to load probes that can
> connect either to markers or through kprobes. LTTng, in its current state,
> has a mostly modular core that also uses the markers.
That just mean you have to load an enormous emount of exernal crap
that replaces the missing kernel functionality. It's exactly the
situation we want to avoid.
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