linux-kernel - Re: [PATCH 21/22] perf tools: Add trace-event global object for tracepoint interface

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Date:	Sat, 23 Nov 2013 00:47:14 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	linux-kernel@...r.kernel.org,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...e.hu>, Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	David Ahern <dsahern@...il.com>
Subject: Re: [PATCH 21/22] perf tools: Add trace-event global object for
 tracepoint interface

2013-11-21 (목), 12:01 +0100, Jiri Olsa:
> In order to get the proper plugins processing we need to
> use full trace-event interface when creating tracepoint
> events. So far we were using shortcut to get the parsed
> format.
> 
> Moving current 'event_format__new' function into trace-event
> object as 'trace_event__tp_format'.
> 
> This function uses properly initialized global trace-event
> object, ensuring proper plugins processing.

I see this when I compile it on my old ubuntu 10.04 box (with gcc 4.4.3)

  CC       util/trace-event.o
cc1: warnings being treated as errors
util/trace-event.c: In function 'trace_event__tp_format':
util/trace-event.c:63: error: not protecting function: no buffer at
least 8 bytes long
make[1]: *** [util/trace-event.o] Error 1

Thanks,
Namhyung


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