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

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Date:	Fri, 15 Sep 2006 13:38:58 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Roman Zippel <zippel@...ux-m68k.org>
Cc:	Tim Bird <tim.bird@...sony.com>, 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

Ar Gwe, 2006-09-15 am 13:46 +0200, ysgrifennodd Roman Zippel:
> > That misses the entire point. If you have dynamic tracepoints you don't
> > have any static tracepoints to maintain because you don't need them.
> 
> This assumes dynamic tracepoints are generally available, which is wrong.

Wrong in what sense, you don't have them implemented or your
architecture is mindbogglingly braindead you can't implement them ?

> This assumes that dynamic tracepoints can't benefit from static source 
> annotations, which is also wrong.

gcc -g produces extensive annotations which are then usably by many
tools other than gdb.

Alan

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