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

*** 35,44 ****
--- 35,46 ----
    ParNew ("ParNew"),
    G1New ("G1New"),
    ConcurrentMarkSweep ("ConcurrentMarkSweep"),
    G1Old ("G1Old"),
    G1Full ("G1Full"),
+   Z ("Z"),
+   NA ("N/A"),
    GCNameEndSentinel ("GCNameEndSentinel");
  
    private final String value;
  
    GCName(String val) {
*** 46,51 ****
    }
    public String value() {
      return value;
    }
  }
- 
--- 48,52 ----