--- old/src/hotspot/share/gc/g1/g1CollectedHeap.cpp	2020-08-19 12:41:45.778772256 +0200
+++ new/src/hotspot/share/gc/g1/g1CollectedHeap.cpp	2020-08-19 12:41:45.470770728 +0200
@@ -877,7 +877,7 @@
       if (result != NULL) {
         size_t size_in_regions = humongous_obj_size_in_regions(word_size);
         policy()->old_gen_alloc_tracker()->
-          add_allocated_bytes_since_last_gc(size_in_regions * HeapRegion::GrainBytes);
+          add_allocated_humongous_bytes_since_last_gc(size_in_regions * HeapRegion::GrainBytes);
         return result;
       }
 
@@ -897,6 +897,9 @@
         assert(succeeded, "only way to get back a non-NULL result");
         log_trace(gc, alloc)("%s: Successfully scheduled collection returning " PTR_FORMAT,
                              Thread::current()->name(), p2i(result));
+        size_t size_in_regions = humongous_obj_size_in_regions(word_size);
+        policy()->old_gen_alloc_tracker()->
+          record_collection_pause_humongous_allocation(size_in_regions * HeapRegion::GrainBytes);
         return result;
       }