linux-kernel - Re: [PATCH 2/7] tracing: replace TP<var> with TP

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Date:	Tue, 17 Mar 2009 03:58:52 -0400
From:	Christoph Hellwig <hch@...radead.org>
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>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Mathieu Desnoyers <compudj@...stal.dyndns.org>,
	Lai Jiangshan <laijs@...fujitsu.com>,
	"Martin J. Bligh" <mbligh@...igh.org>,
	"Frank Ch. Eigler" <fche@...hat.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Larry Woodman <lwoodman@...hat.com>,
	Jason Baron <jbaron@...hat.com>,
	Tom Zanussi <tzanussi@...il.com>,
	Masami Hiramatsu <mhiramat@...hat.com>,
	Christoph Hellwig <hch@...radead.org>,
	Jiaying Zhang <jiayingz@...gle.com>,
	Steven Rostedt <srostedt@...hat.com>
Subject: Re: [PATCH 2/7] tracing: replace TP<var> with TP_<var>

On Tue, Mar 10, 2009 at 12:57:12AM -0400, Steven Rostedt wrote:
> From: Steven Rostedt <srostedt@...hat.com>
> 
> Impact: clean up
> 
> The macros TPPROTO, TPARGS, TPFMT, TPRAWFMT, and TPCMD all look a bit
> ugly. This patch adds an underscore to their names.

Honestly I think they still look ugly.

>  DECLARE_TRACE(subsys_eventname,
> -	TPPROTO(int firstarg, struct task_struct *p),
> -	TPARGS(firstarg, p));
> +	TP_PROTO(int firstarg, struct task_struct *p),
> +	TP_ARGS(firstarg, p));

Compare that to a

DECLARE_TRACE(subsys_eventname,
	trace_proto(int firstarg, struct task_struct *p),
	trace_args(firstarg, p));

or even when you insist on UPPERCASE:

DECLARE_TRACE(subsys_eventname,
	TRACE_PROTO(int firstarg, struct task_struct *p),
	TRACE_ARGS(firstarg, p));


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