diff --git a/exp-drd/drd_bitmap.c b/exp-drd/drd_bitmap.c
index 097b43d83..fed709187 100644
--- a/exp-drd/drd_bitmap.c
+++ b/exp-drd/drd_bitmap.c
@@ -879,6 +879,11 @@ ULong bm_get_bitmap_creation_count(void)
   return s_bitmap_creation_count;
 }
 
+ULong bm_get_bitmap2_node_creation_count(void)
+{
+  return s_bitmap2_creation_count;
+}
+
 ULong bm_get_bitmap2_creation_count(void)
 {
   return s_bitmap2_creation_count;
diff --git a/exp-drd/drd_bitmap.h b/exp-drd/drd_bitmap.h
index 23ef6372c..a860cf4e0 100644
--- a/exp-drd/drd_bitmap.h
+++ b/exp-drd/drd_bitmap.h
@@ -78,6 +78,7 @@
 /* Local variables. */
 
 static ULong s_bitmap2_creation_count;
+static ULong s_node_creation_count;
 
 
 
@@ -386,6 +387,7 @@ struct bitmap2* bm2_insert(const struct bitmap* const bm, const UWord a1)
   struct bitmap2ref* bm2ref;
   struct bitmap2* bm2;
 
+  s_node_creation_count++;
   bm2ref       = VG_(OSetGen_AllocNode)(bm->oset, sizeof(*bm2ref));
   bm2ref->addr = a1;
   bm2          = bm2_new(a1);
@@ -409,6 +411,8 @@ struct bitmap2* bm2_insert_addref(const struct bitmap* const bm,
 
   tl_assert(bm);
   //tl_assert(VG_(OSetGen_Lookup)(bm->oset, &bm2->addr) == 0);
+
+  s_node_creation_count++;
   bm2ref       = VG_(OSetGen_AllocNode)(bm->oset, sizeof(*bm2ref));
   bm2ref->addr = bm2->addr;
   bm2ref->bm2  = bm2;
diff --git a/exp-drd/pub_drd_bitmap.h b/exp-drd/pub_drd_bitmap.h
index 8bfdeeb50..d8324e0e8 100644
--- a/exp-drd/pub_drd_bitmap.h
+++ b/exp-drd/pub_drd_bitmap.h
@@ -112,7 +112,9 @@ void bm_report_races(ThreadId const tid1, ThreadId const tid2,
                      const struct bitmap* const bm2);
 void bm_print(const struct bitmap* bm);
 ULong bm_get_bitmap_creation_count(void);
+ULong bm_get_bitmap2_node_creation_count(void);
 ULong bm_get_bitmap2_creation_count(void);
+
 void bm_test(void);