linux-kernel - Re: [PATCH 2/4] tracing: add event trace infrastructure

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Message-Id: <20090225011507.9135b143.akpm@linux-foundation.org>
Date:	Wed, 25 Feb 2009 01:15:07 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <peterz@...radead.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Theodore Tso <tytso@....edu>,
	Arjan van de Ven <arjan@...radead.org>,
	Pekka Paalanen <pq@....fi>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Jason Baron <jbaron@...hat.com>,
	Martin Bligh <mbligh@...gle.com>,
	Mathieu Desnoyers <compudj@...stal.dyndns.org>,
	"Frank Ch. Eigler" <fche@...hat.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Jens Axboe <jens.axboe@...cle.com>,
	Masami Hiramatsu <mhiramat@...hat.com>,
	Steven Rostedt <srostedt@...hat.com>
Subject: Re: [PATCH 2/4] tracing: add event trace infrastructure

On Wed, 25 Feb 2009 09:40:00 +0100 Ingo Molnar <mingo@...e.hu> wrote:

> _Maybe_ some of it (but certainly not all) could be done via 
> klibc - but that got nacked. If you can convince Linus to take 
> klibc and to allow a userspace 'halo' of utilities that are 
> intimate with kernel details into the kernel proper then maybe 
> we could start providing such tools in the kernel proper.

see, there you go!

No, we don't need to merge klibc to be able to develop and deliver
simple, kernel-developer-only userspace tools within the kernel tree. 
For heaven's sake.

Sam had a patchset which scoops up all the compileable .c files in
Documentation/ and actually puts them into a separate directory along
with a makefile.  It worked!  It didn't quite get merged though.

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