--- old/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/gc/epsilon/EpsilonHeap.java	2019-02-15 20:10:18.679531980 +0100
+++ new/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/gc/epsilon/EpsilonHeap.java	2019-02-15 20:10:18.155531984 +0100
@@ -66,11 +66,26 @@
     return CollectedHeapName.EPSILON;
   }
 
+  @Override
+  public long capacity() {
+    return space.capacity();
+  }
+
+  @Override
+  public long used() {
+    return space.used();
+  }
+
   public ContiguousSpace space() {
     return space;
   }
 
   @Override
+  public void liveRegionsIterate(LiveRegionsClosure closure) {
+    closure.doLiveRegions(space());
+  }
+
+  @Override
   public void printOn(PrintStream tty) {
      MemRegion mr = reservedRegion();
      tty.println("Epsilon heap");