linux-kernel - [PATCH 3/3] perf: Fix the bug which fails to put memory mapping to record file

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Date:	Fri, 25 Jun 2010 10:18:46 +0800
From:	Gui Jianfeng <guijianfeng@...fujitsu.com>
To:	Arnaldo Carvalho de Melo <acme@...hat.com>
CC:	Yanmin Zhang <yanmin_zhang@...ux.intel.com>, mingo@...e.hu,
	linux kernel mailing list <linux-kernel@...r.kernel.org>,
	a.p.zijlstra@...llo.nl
Subject: [PATCH 3/3] perf: Fix the bug which fails to put memory mapping to
 record file

If we execute perf record without -t or -p option, it fails to load
process memory map to record file. Here fix it.

Signed-off-by: Gui Jianfeng <guijianfeng@...fujitsu.com>
---
 tools/perf/builtin-record.c |   16 +++++++++++++---
 1 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 84d58b7..f834d21 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -685,9 +685,19 @@ static int __cmd_record(int argc, const char **argv)
 	if (perf_guest)
 		perf_session__process_machines(session, event__synthesize_guest_os);
 
-	if (!system_wide && profile_cpu == -1)
-		event__synthesize_thread(target_tid, process_synthesized_event,
-					 session);
+	if (!system_wide && profile_cpu == -1) {
+		int ret;
+
+		if (target_tid != -1) {
+			ret = event__synthesize_thread(target_tid,
+						 process_synthesized_event,
+						 session);
+		} else {
+			ret = event__synthesize_thread(all_tids[0],
+						 process_synthesized_event,
+						 session);
+		}
+	}
 	else
 		event__synthesize_threads(process_synthesized_event, session);
 
-- 1.6.5.2 
--
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