diff --git a/neutron_lib/db/resource_extend.py b/neutron_lib/db/resource_extend.py
index d625893df..068cdaf37 100644
--- a/neutron_lib/db/resource_extend.py
+++ b/neutron_lib/db/resource_extend.py
@@ -70,6 +70,7 @@ def get_funcs(resource):
     return _resource_extend_functions.get(resource, [])
 
 
+@helpers.timecost
 def apply_funcs(resource_type, response, db_object):
     """Appy registered functions for the said resource type.