*** old/agent/src/share/classes/sun/jvm/hotspot/memory/Generation.java	Fri Oct 17 16:28:30 2014
--- new/agent/src/share/classes/sun/jvm/hotspot/memory/Generation.java	Fri Oct 17 16:28:30 2014

*** 49,59 ****
--- 49,59 ----
  
  
  public abstract class Generation extends VMObject {
    private static long          reservedFieldOffset;
    private static long          virtualSpaceFieldOffset;
!   private static CIntegerField levelField;
!   private static int           levelField;
    protected static final int  K = 1024;
    // Fields for class StatRecord
    private static Field         statRecordField;
    private static CIntegerField invocationField;
  

*** 75,85 ****
--- 75,85 ----
    private static synchronized void initialize(TypeDataBase db) {
      Type type = db.lookupType("Generation");
  
      reservedFieldOffset     = type.getField("_reserved").getOffset();
      virtualSpaceFieldOffset = type.getField("_virtual_space").getOffset();
!     levelField              = type.getCIntegerField("_level");
!     levelField              = 0;
      // StatRecord
      statRecordField         = type.getField("_stat_record");
      type                    = db.lookupType("Generation::StatRecord");
      invocationField         = type.getCIntegerField("invocations");
  

*** 135,145 ****
--- 135,145 ----
    public GenerationSpec spec() {
      return ((GenCollectedHeap) VM.getVM().getUniverse().heap()).spec(level());
    }
  
    public int level() {
!     return (int) levelField.getValue(addr);
    }
  
    public int invocations() {
      return getStatRecord().getInvocations();
    }