String clsName = cls.getName();
String clsName = cls.toString();
  private static boolean match(VM_Method method) {    if (excludePattern == null) return true;    VM_Class cls = method.getDeclaringClass();    String clsName = cls.getName();    if (clsName.compareTo("com.ibm.JikesRVM.opt.VM_OptSaveVolatile") == 0) return true;    String methodName = method.getName().toString();    String fullName = clsName + "." + methodName;    return (fullName.indexOf(excludePattern)) < 0;  }