src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/HSDB.java

@@ -31,10 +31,11 @@
 import java.util.*;
 
 import sun.jvm.hotspot.code.*;
 import sun.jvm.hotspot.compiler.*;
 import sun.jvm.hotspot.debugger.*;
+import sun.jvm.hotspot.gc.epsilon.*;
 import sun.jvm.hotspot.gc.parallel.*;
 import sun.jvm.hotspot.gc.shared.*;
 import sun.jvm.hotspot.gc.g1.*;
 import sun.jvm.hotspot.interpreter.*;
 import sun.jvm.hotspot.memory.*;

@@ -1106,10 +1107,13 @@
                             bad = false;
                           } else if (heap.oldGen().isIn(handle)) {
                             anno = "PSOldGen ";
                             bad = false;
                           }
+                        } else if (collHeap instanceof EpsilonHeap) {
+                          anno = "Epsilon ";
+                          bad = false;
                         } else {
                           // Optimistically assume the oop isn't bad
                           anno = "[Unknown generation] ";
                           bad = false;
                         }