diff --git a/category/get_perf_info.py b/category/get_perf_info.py
index 69a9f6c4e40f3e31d9f60cf2c4200e81a5a42a6f..2a5463824112dfbf650d251e05d8f7ee90da77a1 100644
--- a/category/get_perf_info.py
+++ b/category/get_perf_info.py
@@ -14,6 +14,8 @@ from common.file import FileOperation
 import re
 
 # Global Variable - start
+perf_args = {}           # perf args
+offcpu_args = {}         # offcpu args
 perf_enable_flag = 0
 offcpu_enable_flag = 0
 # Global Variable - end