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From: Steven Rostedt <rostedt@goodmis.org>
To: Namhyung Kim <namhyung@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	Ingo Molnar <mingo@kernel.org>, Jiri Olsa <jolsa@redhat.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Namhyung Kim <namhyung.kim@lge.com>
Subject: Re: [PATCH 01/14] tools lib traceevent: Get rid of malloc_or_die() in show_error()
Date: Mon, 9 Dec 2013 21:14:10 -0500	[thread overview]
Message-ID: <20131209211410.01fcaebf@gandalf.local.home> (raw)
In-Reply-To: <87mwk9jwcf.fsf@sejong.aot.lge.com>

On Tue, 10 Dec 2013 11:03:44 +0900
Namhyung Kim <namhyung@kernel.org> wrote:


> What about returning error code rather than string?  This way we won't
> worry about the allocation of the error string itself.
> 
> But the downside of it is loosing a positional info of the error.
> Hmm.. what about using a static buffer in pevent for it then?

A static buffer may be the solution. Never need to worry about
allocating it on error, as it will already be allocated. And we can add
APIs to print it nicely.

Perhaps call it

	pevent->filter_error_buffer

?

-- Steve

  reply	other threads:[~2013-12-10  2:14 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-09  5:33 [PATCHSET 00/14] tools lib traceevent: Get rid of *die() calls from parse-filter.c Namhyung Kim
2013-12-09  5:33 ` [PATCH 01/14] tools lib traceevent: Get rid of malloc_or_die() in show_error() Namhyung Kim
2013-12-09 18:30   ` Arnaldo Carvalho de Melo
2013-12-09 19:03     ` Steven Rostedt
2013-12-09 19:14       ` Arnaldo Carvalho de Melo
2013-12-09 19:23         ` Steven Rostedt
2013-12-10  2:03           ` Namhyung Kim
2013-12-10  2:14             ` Steven Rostedt [this message]
2013-12-10  5:01               ` Namhyung Kim
2013-12-10  5:30                 ` Namhyung Kim
2013-12-11  0:40                   ` Namhyung Kim
2013-12-11  1:55                     ` Steven Rostedt
2013-12-11  2:29                       ` Namhyung Kim
2013-12-12  1:10                         ` Steven Rostedt
2013-12-09  5:33 ` [PATCH 02/14] tools lib traceevent: Get rid of die in add_filter_type() Namhyung Kim
2013-12-09 10:44   ` Jiri Olsa
2013-12-10  0:32     ` Namhyung Kim
2013-12-09  5:34 ` [PATCH 03/14] tools lib traceevent: Get rid of malloc_or_die() in pevent_filter_alloc() Namhyung Kim
2013-12-11 11:05   ` [tip:perf/core] " tip-bot for Namhyung Kim
2013-12-09  5:34 ` [PATCH 04/14] tools lib traceevent: Get rid of malloc_or_die() allocate_arg() Namhyung Kim
2013-12-09 16:05   ` Steven Rostedt
2013-12-10  1:21     ` Namhyung Kim
2013-12-10  2:08       ` Steven Rostedt
2013-12-09  5:34 ` [PATCH 05/14] tools lib traceevent: Get rid of malloc_or_die() in read_token() Namhyung Kim
2013-12-09  5:34 ` [PATCH 06/14] tools lib traceevent: Get rid of malloc_or_die() in find_event() Namhyung Kim
2013-12-09 11:03   ` Jiri Olsa
2013-12-09 16:27     ` Steven Rostedt
2013-12-10  0:48     ` Namhyung Kim
2013-12-09  5:34 ` [PATCH 07/14] tools lib traceevent: Get rid of malloc_or_die() in add_event() Namhyung Kim
2013-12-11 11:06   ` [tip:perf/core] " tip-bot for Namhyung Kim
2013-12-09  5:34 ` [PATCH 08/14] tools lib traceevent: Get rid of die() in create_arg_item() Namhyung Kim
2013-12-11 11:06   ` [tip:perf/core] " tip-bot for Namhyung Kim
2013-12-09  5:34 ` [PATCH 09/14] tools lib traceevent: Get rid of die() in add_right() Namhyung Kim
2013-12-09  6:28   ` Ilia Mirkin
2013-12-09  6:59     ` Namhyung Kim
2013-12-09 16:32       ` Steven Rostedt
2013-12-09 23:47         ` Namhyung Kim
2013-12-09  5:34 ` [PATCH 10/14] tools lib traceevent: Get rid of die() in reparent_op_arg() Namhyung Kim
2013-12-09  5:34 ` [PATCH 11/14] tools lib traceevent: Get rid of malloc_or_die() in pevent_filter_add_filter_str() Namhyung Kim
2013-12-11 11:06   ` [tip:perf/core] " tip-bot for Namhyung Kim
2013-12-09  5:34 ` [PATCH 12/14] tools lib traceevent: Get rid of die() in pevent_filter_clear_trivial() Namhyung Kim
2013-12-11 11:06   ` [tip:perf/core] " tip-bot for Namhyung Kim
2013-12-09  5:34 ` [PATCH 13/14] tools lib traceevent: Refactor test_filter() to get rid of die() Namhyung Kim
2013-12-09 16:19   ` Steven Rostedt
2013-12-10  1:48     ` Namhyung Kim
2013-12-09  5:34 ` [PATCH 14/14] tools lib traceevent: Get rid of die() in some string conversion funcitons Namhyung Kim
2013-12-09 16:24   ` Steven Rostedt
2013-12-10  1:50     ` Namhyung Kim
2013-12-09 10:47 ` [PATCHSET 00/14] tools lib traceevent: Get rid of *die() calls from parse-filter.c Jiri Olsa
2013-12-09 16:40   ` Steven Rostedt
2013-12-09 16:24 ` Steven Rostedt
2013-12-09 18:41   ` Arnaldo Carvalho de Melo
2013-12-10  0:34     ` Namhyung Kim
2013-12-12  7:36 [PATCHSET 00/14] tools lib traceevent: Get rid of *die() calls from parse-filter.c (v2) Namhyung Kim
2013-12-12  7:36 ` [PATCH 01/14] tools lib traceevent: Get rid of malloc_or_die() in show_error() Namhyung Kim

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