linux-kernel - [tip:perf/core] perf probe: Begin and end libdwfl report session correctly

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Message-ID: <tip-9135949ddd9d0d8d73a2f441912508d25a4a82a2@git.kernel.org>
Date:	Thu, 1 Oct 2015 00:13:21 -0700
From:	tip-bot for Masami Hiramatsu <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	acme@...hat.com, namhyung@...nel.org, jolsa@...nel.org,
	hpa@...or.com, wangnan0@...wei.com, linux-kernel@...r.kernel.org,
	masami.hiramatsu.pt@...achi.com, tglx@...utronix.de,
	mingo@...nel.org
Subject: [tip:perf/core] perf probe:
  Begin and end libdwfl report session correctly

Commit-ID:  9135949ddd9d0d8d73a2f441912508d25a4a82a2
Gitweb:     http://git.kernel.org/tip/9135949ddd9d0d8d73a2f441912508d25a4a82a2
Author:     Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
AuthorDate: Thu, 1 Oct 2015 01:41:28 +0900
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 30 Sep 2015 18:34:34 -0300

perf probe: Begin and end libdwfl report session correctly

Fix a trival bug about libdwfl usage of the report session, it should
explicitly begin and end a report session around dwfl_report_offline().

Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Wang Nan <wangnan0@...wei.com>
Link: http://lkml.kernel.org/r/20150930164128.3733.59876.stgit@localhost.localdomain
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/probe-finder.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index 29c43c068..35f905f 100644
--- a/tools/perf/util/probe-finder.c
+++ b/tools/perf/util/probe-finder.c
@@ -70,6 +70,7 @@ static int debuginfo__init_offline_dwarf(struct debuginfo *dbg,
 	if (!dbg->dwfl)
 		goto error;
 
+	dwfl_report_begin(dbg->dwfl);
 	dbg->mod = dwfl_report_offline(dbg->dwfl, "", "", fd);
 	if (!dbg->mod)
 		goto error;
@@ -78,6 +79,8 @@ static int debuginfo__init_offline_dwarf(struct debuginfo *dbg,
 	if (!dbg->dbg)
 		goto error;
 
+	dwfl_report_end(dbg->dwfl, NULL, NULL);
+
 	return 0;
 error:
 	if (dbg->dwfl)
--
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