set benchmark in predict_system

tools/infer/predict_system.py

@@ -173,7 +173,9 @@ def main(args):
 
     logger.info("The predict total time is {}".format(time.time() - _st))
     logger.info("\nThe predict total time is {}".format(total_time))
-
+    if args.benchmark:
+        text_sys.text_detector.autolog.report()
+        text_sys.text_recognizer.autolog.report()
 
 if __name__ == "__main__":
     args = utility.parse_args()