--- old/src/hotspot/share/classfile/systemDictionary.cpp	2019-09-26 22:29:55.572092752 +0800
+++ new/src/hotspot/share/classfile/systemDictionary.cpp	2019-09-26 22:29:55.423087562 +0800
@@ -2936,13 +2936,25 @@
     if (shared_dictionary() != NULL) {
       shared_dictionary()->print_table_statistics(st, "Shared Dictionary");
     }
-    ClassLoaderDataGraph::print_dictionary_statistics(st);
+    ClassLoaderDataGraph::print_table_statistics(st);
     placeholders()->print_table_statistics(st, "Placeholder Table");
     constraints()->print_table_statistics(st, "LoaderConstraints Table");
-    _pd_cache_table->print_table_statistics(st, "ProtectionDomainCache Table");
+    pd_cache_table()->print_table_statistics(st, "ProtectionDomainCache Table");
   }
 }
 
+TableStatistics SystemDictionary::placeholders_statistics() {
+  return placeholders()->statistics_calculate();
+}
+
+TableStatistics SystemDictionary::loader_constraints_statistics() {
+  return constraints()->statistics_calculate();
+}
+
+TableStatistics SystemDictionary::protection_domain_cache_statistics() {
+  return pd_cache_table()->statistics_calculate();
+}
+
 // Utility for dumping dictionaries.
 SystemDictionaryDCmd::SystemDictionaryDCmd(outputStream* output, bool heap) :
                                  DCmdWithParser(output, heap),