diff --git a/src/hotspot/share/gc/g1/g1FullCollector.cpp b/src/hotspot/share/gc/g1/g1FullCollector.cpp
index 0522528ebef..78bc3e84bac 100644
--- a/src/hotspot/share/gc/g1/g1FullCollector.cpp
+++ b/src/hotspot/share/gc/g1/g1FullCollector.cpp
@@ -304,7 +304,10 @@ void G1FullCollector::phase1_mark_live_objects() {
     _heap->complete_cleaning(&_is_alive, purged_class);
   }
 
-  scope()->tracer()->report_object_count_after_gc(&_is_alive);
+  {
+    GCTraceTime(Debug, gc, phases) debug("Report Object Count", scope()->timer());
+    scope()->tracer()->report_object_count_after_gc(&_is_alive);
+  }
 }
 
 void G1FullCollector::phase2_prepare_compaction() {
diff --git a/src/hotspot/share/gc/parallel/psParallelCompact.cpp b/src/hotspot/share/gc/parallel/psParallelCompact.cpp
index 33554561f89..7258967a591 100644
--- a/src/hotspot/share/gc/parallel/psParallelCompact.cpp
+++ b/src/hotspot/share/gc/parallel/psParallelCompact.cpp
@@ -2137,7 +2137,10 @@ void PSParallelCompact::marking_phase(ParCompactionManager* cm,
     JVMCI_ONLY(JVMCI::do_unloading(purged_class));
   }
 
-  _gc_tracer.report_object_count_after_gc(is_alive_closure());
+  {
+    GCTraceTime(Debug, gc, phases) tm("Report Object Count", &_gc_timer);
+    _gc_tracer.report_object_count_after_gc(is_alive_closure());
+  }
 }
 
 #ifdef ASSERT
diff --git a/src/hotspot/share/gc/serial/genMarkSweep.cpp b/src/hotspot/share/gc/serial/genMarkSweep.cpp
index 38ebfef2803..5a8d2845bef 100644
--- a/src/hotspot/share/gc/serial/genMarkSweep.cpp
+++ b/src/hotspot/share/gc/serial/genMarkSweep.cpp
@@ -230,7 +230,10 @@ void GenMarkSweep::mark_sweep_phase1(bool clear_all_softrefs) {
     JVMCI_ONLY(JVMCI::do_unloading(purged_class));
   }
 
-  gc_tracer()->report_object_count_after_gc(&is_alive);
+  {
+    GCTraceTime(Debug, gc, phases) tm_m("Report Object Count", gc_timer());
+    gc_tracer()->report_object_count_after_gc(&is_alive);
+  }
 }