src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/gc/shared/CollectedHeapName.java

@@ -35,10 +35,11 @@
   public static final CollectedHeapName PARALLEL = new CollectedHeapName("Parallel");
   public static final CollectedHeapName CMS = new CollectedHeapName("CMS");
   public static final CollectedHeapName G1 = new CollectedHeapName("G1");
   public static final CollectedHeapName EPSILON = new CollectedHeapName("Epsilon");
   public static final CollectedHeapName Z = new CollectedHeapName("Z");
+  public static final CollectedHeapName SHENANDOAH = new CollectedHeapName("Shenandoah");
 
   public String toString() {
     return name;
   }
 }