linux-kernel - [RFC PATCHSET 0/3] tools lib traceevent: Generic error handling for pevent

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Date:	Tue, 12 Jun 2012 16:42:36 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: [RFC PATCHSET 0/3] tools lib traceevent: Generic error handling for pevent

Hi,

This is a small patch series for preparation of the die removal.
I added some error code to be used for pevent_parse_event() and
_strerror function much like the perf target does.

I don't like the name 'pevent' but since it's a part of the API
so I used it for the name.

This can eliminate a few of die() and do_warning() but will lose
some details on the error message - i.e. event name. I couldn't
think of a way that doesn't lose such info after returning from
the function. But I guess we might get the info from the context.

Patch 01 is independent and can be applied separately.

Any comments are welcome.

Thanks,
Namhyung

Namhyung Kim (3):
  tools lib traceevent: Do not link broken field arg for an old ftrace event
  tools lib traceevent: Introduce pevent_errno
  tools lib traceevent: Introduce pevent_strerror

 tools/lib/traceevent/event-parse.c |  104 ++++++++++++++++++++++++++++--------
 tools/lib/traceevent/event-parse.h |   28 +++++++++-
 2 files changed, 107 insertions(+), 25 deletions(-)

-- 
1.7.10.2

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