linux-kernel - Re: [PATCH 0/4][RFC] event tracer

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Message-ID: <20090225021033.GA17269@redhat.com>
Date:	Tue, 24 Feb 2009 21:10:33 -0500
From:	"Frank Ch. Eigler" <fche@...hat.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.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>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Jens Axboe <jens.axboe@...cle.com>,
	Masami Hiramatsu <mhiramat@...hat.com>
Subject: Re: [PATCH 0/4][RFC] event tracer

Hi -

> This is still RFC, do not pull.
> This patch set gives the ability to add a format string and args to
> a trace point declaration. [...]

It looks like a good compromise, a dual to the trace_mark_tp
prototype, and a plausible replacement for markers.  Thank you.  The
main thing this would lose is a callback API to intercept generic
varargs event flavour, which we in systemtap land enjoy using, but
before too long we would make do.

- FChE
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