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

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Message-ID: <alpine.DEB.2.00.0902241731020.12697@gandalf.stny.rr.com>
Date:	Tue, 24 Feb 2009 17:31:56 -0500 (EST)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Masami Hiramatsu <mhiramat@...hat.com>
cc:	Peter Zijlstra <peterz@...radead.org>,
	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	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>
Subject: Re: [PATCH 0/4][RFC] event tracer


On Tue, 24 Feb 2009, Masami Hiramatsu wrote:
> > 
> > #undef TPFMT
> > #define TPFMT(fmt, args...) \
> > 	"(%s)" fmt "\n", #call, ##args
> > 
> > and then I could do
> > 
> > 	event_printk(fmt);
> 
> Why don't you do as below? :)
> 	event_printk_line("(" #call ")" ##fmtandargs);

Still need to sneak that "\n" in ;-)

> 
> Anyway, your proposal is good for me, because it will recover
> an information which tracepoint has lost.

Thanks,

-- Steve

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