linux-kernel - Re: [PATCH 1/4][RFC] tracing: add event trace infrastructure

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Date:	Tue, 24 Feb 2009 17:11:10 -0500 (EST)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Ingo Molnar <mingo@...e.hu>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, tglx@...utronix.de,
	peterz@...radead.org, fweisbec@...il.com, tytso@....edu,
	arjan@...radead.org, pq@....fi, acme@...hat.com, jbaron@...hat.com,
	mbligh@...gle.com, compudj@...stal.dyndns.org, fche@...hat.com,
	kosaki.motohiro@...fujitsu.com, jens.axboe@...cle.com,
	mhiramat@...hat.com, srostedt@...hat.com
Subject: Re: [PATCH 1/4][RFC] tracing: add event trace infrastructure


On Tue, 24 Feb 2009, Ingo Molnar wrote:

> 
> * Andrew Morton <akpm@...ux-foundation.org> wrote:
> 
> > On Tue, 24 Feb 2009 14:33:45 -0500
> > Steven Rostedt <rostedt@...dmis.org> wrote:
> > 
> > > +#define DECLARE_TRACE_FMT(call, proto, args, fmt, fmt_args)		\
> > > +static void ftrace_event_##call(proto)					\
> > > +{									\
> > > +	event_trace_printk(_RET_IP_, "(%s) " fmt "\n", #call, fmt_args); \
> > > +}									\
> > 
> > <anal>This macro emits a definition, not a declaration.</anal>
> 
> yes indeed :) It got modified from one that emitted a 
> declaration to also emit a definition and the name was not 
> converted.

Yes, I was just adding a modification of DECLARE_TRACE which was indeed a 
declare, but converted it to DECLARE_TRACE_FMT.

Would DEFINE_TRACE_FMT(...) be better?

-- Steve

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