Snippet: Can't Remember That -XX Option?

% java -XX:+UnlockDiagnosticVMOptions -XX:+PrintFlagsFinal -version
...
    uintx MinPermHeapExpansion                      = 327680          {product}           
    uintx PermGenPadding                            = 3               {product}           
    uintx PermMarkSweepDeadRatio                    = 20              {product}  
...