--- old/src/hotspot/share/gc/shared/gcVMOperations.cpp	2020-04-25 20:53:32.835336358 +0800
+++ new/src/hotspot/share/gc/shared/gcVMOperations.cpp	2020-04-25 20:53:32.663336884 +0800
@@ -152,7 +152,7 @@
     }
   }
   HeapInspection inspect;
-  inspect.heap_inspection(_out);
+  inspect.heap_inspection(_out, _parallel_thread_num);
 }