--- old/src/hotspot/share/gc/g1/g1CollectedHeap.cpp	2020-04-27 10:19:35.775186016 +0200
+++ new/src/hotspot/share/gc/g1/g1CollectedHeap.cpp	2020-04-27 10:19:35.587182956 +0200
@@ -160,9 +160,13 @@
   reset_from_card_cache(start_idx, num_regions);
 }
 
-Tickspan G1CollectedHeap::run_task(AbstractGangTask* task) {
-  Ticks start = Ticks::now();
+void G1CollectedHeap::run_task(AbstractGangTask* task) {
   workers()->run_task(task, workers()->active_workers());
+}
+
+Tickspan G1CollectedHeap::run_task_timed(AbstractGangTask* task) {
+  Ticks start = Ticks::now();
+  run_task(task);
   return Ticks::now() - start;
 }
 
@@ -3767,7 +3771,7 @@
 
   {
     G1PrepareEvacuationTask g1_prep_task(this);
-    Tickspan task_time = run_task(&g1_prep_task);
+    Tickspan task_time = run_task_timed(&g1_prep_task);
 
     phase_times()->record_register_regions(task_time.seconds() * 1000.0,
                                            g1_prep_task.humongous_total(),
@@ -3914,7 +3918,7 @@
   {
     G1RootProcessor root_processor(this, num_workers);
     G1EvacuateRegionsTask g1_par_task(this, per_thread_states, _task_queues, &root_processor, num_workers);
-    task_time = run_task(&g1_par_task);
+    task_time = run_task_timed(&g1_par_task);
     // Closing the inner scope will execute the destructor for the G1RootProcessor object.
     // To extract its code root fixup time we measure total time of this scope and
     // subtract from the time the WorkGang task took.
@@ -3953,7 +3957,7 @@
   {
     G1MarkScope code_mark_scope;
     G1EvacuateOptionalRegionsTask task(per_thread_states, _task_queues, workers()->active_workers());
-    task_time = run_task(&task);
+    task_time = run_task_timed(&task);
     // See comment in evacuate_collection_set() for the reason of the scope.
   }
   Tickspan total_processing = Ticks::now() - start_processing;