--- old/src/hotspot/share/gc/shared/gcVMOperations.cpp	2020-07-22 15:42:10.000000000 -0700
+++ new/src/hotspot/share/gc/shared/gcVMOperations.cpp	2020-07-22 15:42:10.000000000 -0700
@@ -150,7 +150,7 @@
     }
   }
   HeapInspection inspect;
-  inspect.heap_inspection(_out);
+  inspect.heap_inspection(_out, _parallel_thread_num);
 }