diff --git a/category/get_perf_info.py b/category/get_perf_info.py
index 4fe3afc88fe81836d39539bdaf9ae8a8f76d3d7c..634178cedad044bd676f6f593face165bd666c5e 100644
--- a/category/get_perf_info.py
+++ b/category/get_perf_info.py
@@ -19,6 +19,16 @@ def convert_str(value):
     else:
         return value
 
+# 执行perf命令的时候，出现$?为0，但是其实是有error信息产生
+def is_errfile_empty(cmdname, err_filename):
+    if os.path.getsize(err_filename):
+        # 将异常信息记录到日志中
+        with io.open(file = err_filename, mode = 'r', encoding = 'utf-8') as fp:
+            tmp_txt = fp.read()
+    else:
+        if os.path.exists(err_filename):
+            os.remo
+
 # hotspot main function
 class Hotspot():
 	def __init__(self):