!7

sclass SystemCPUPercentage extends DynBigNumber {
  void start {
    super.start();
    setDescription("SYSTEM CPU %");
    setToolTip("Percentage is per core (max=" + numberOfCores()*100 + "%)");
    ownTimer(doEvery(2.0, r actualUpdate));
  }
  
  void actualUpdate {
    setValue(toIntPercent_ceil(systemCPULoad()*numberOfCores()) + " %");
  }
}