[PATCH 1/3] perf lock contention: Fix to save callstack for the default modified

[Namhyung Kim]

The previous change missed to set the con->save_callstack for the
LOCK_AGGR_CALLER mode resulting in no caller information.

Fixes: ebab291641be ("perf lock contention: Support filters for different aggregation")
Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
---
 tools/perf/builtin-lock.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c
index 0d11f301fd72..a4b5c481129c 100644
--- a/tools/perf/builtin-lock.c
+++ b/tools/perf/builtin-lock.c
@@ -1806,6 +1806,9 @@ static int __cmd_contention(int argc, const char **argv)
 	con.aggr_mode = aggr_mode = show_thread_stats ? LOCK_AGGR_TASK :
 		show_lock_addrs ? LOCK_AGGR_ADDR : LOCK_AGGR_CALLER;
 
+	if (con.aggr_mode == LOCK_AGGR_CALLER)
+		con.save_callstack = true;
+
 	/* for lock function check */
 	symbol_conf.sort_by_name = true;
 	symbol_conf.allow_aliases = true;
-- 
2.39.1.519.gcb327c4b5f-goog