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-rw-r--r--tools/perf/builtin-ftrace.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/builtin-ftrace.c b/tools/perf/builtin-ftrace.c
index 9da38dc8b542..167f1f57aba3 100644
--- a/tools/perf/builtin-ftrace.c
+++ b/tools/perf/builtin-ftrace.c
@@ -3,6 +3,7 @@
* builtin-ftrace.c
*
* Copyright (c) 2013 LG Electronics, Namhyung Kim <namhyung@kernel.org>
+ * Copyright (c) 2020 Changbin Du <changbin.du@gmail.com>, significant enhancement.
*/
#include "builtin.h"