!7

sclass JavaHeapPercentage extends DynBigNumber {
  void start {
    setDescription("Java heap used of " + Runtime.getRuntime().maxMemory());
    ownTimer(doEveryAndNow(1000, r actualUpdate));
  }
  
  void actualUpdate {
    long max = Runtime.getRuntime().maxMemory();
    //long used = memoryUsedAfterLastGC();
    long used = usedMemory();
    setValue(formatDouble(doublePercentRatio(used, max), 1) + " %");
  }
}