linux-kernel - Re: [PATCH 5/7] tools lib traceevent: Add alias field to struct format

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Message-ID: <20150420142414.GD24936@home.goodmis.org>
Date:	Mon, 20 Apr 2015 10:24:14 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Jiri Olsa <jolsa@...nel.org>
Cc:	Arnaldo Carvalho de Melo <acme@...nel.org>,
	David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	He Kuang <hekuang@...wei.com>, Ingo Molnar <mingo@...nel.org>,
	Jeremie Galarneau <jgalar@...icios.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	Tom Zanussi <tzanussi@...il.com>,
	Wang Nan <wangnan0@...wei.com>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 5/7] tools lib traceevent: Add alias field to struct
 format_field

On Sat, Apr 18, 2015 at 05:50:18PM +0200, Jiri Olsa wrote:
> Introduce an 'alias' field to 'struct format_field' to be able
> to use alternative name for the field.
> 
> It is initialized with same string pointer as 'name' field.
> The free logic checks the 'alias' pointer being reset by user
> and frees it.
> 
> This will be handy when converting data into CTF, where each
> field within event needs to have a unique name (while this
> is not required for tracepoint). Converter can easily assign
> unique name into the format_field struct.
> 
> Suggested-by: Steven Rostedt <rostedt@...dmis.org>
> Link: http://lkml.kernel.org/n/tip-qwyq8blnfkg6s5vlbrvn1en3@git.kernel.org
> Signed-off-by: Jiri Olsa <jolsa@...nel.org>

Acke-by: Steven Rostedt <rostedt@...dmis.org>


-- Steve
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