--- old/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/gc/epsilon/EpsilonHeap.java	2019-02-11 09:03:32.359718705 +0100
+++ new/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/gc/epsilon/EpsilonHeap.java	2019-02-11 09:03:31.967718719 +0100
@@ -66,6 +66,16 @@
     return CollectedHeapName.EPSILON;
   }
 
+  @Override
+  public long capacity() {
+    return space.capacity();
+  }
+
+  @Override
+  public long used() {
+    return space.used();
+  }
+
   public ContiguousSpace space() {
     return space;
   }