diff --git a/category/get_perf_info.py b/category/get_perf_info.py
index f01c16716276f45b2852ab31a0c6d9907c3d1075..500e0aef1e82fcfe6f70d5e4403cb97f60af5ee6 100644
--- a/category/get_perf_info.py
+++ b/category/get_perf_info.py
@@ -2,7 +2,18 @@
 # -*- coding: UTF-8 -*-
 # cython:language_level=3
 
+import io
+import os
+import sys
+import base64
+
+# Global Variable - start
+perf_enable_flag = 0
+# Global Variable - end
+
 # hotspot main function
 class Hotspot():
 	def __init__(self):
 		pass
+
+