_cpuTimeList.add(new long[]{usage.getCpuTime(),usage.getUserTime()});
if (_cpuTimeList.size()>NUM_CPU_DISPLAY){
_cpuTimeList.removeFirst();
}
AbstractDataTable memDataTable = createMemTable(usage);
PieChart.Options memOptions = createMemOptions("Memory Usage");
AbstractDataTable cpuDataTable = createCPUTable(_cpuTimeList);
AreaChart.Options cpuOptions = createCPUOptions("CPU Time");
memChart.draw(memDataTable,memOptions);
cpuChart.draw(cpuDataTable,cpuOptions);
// pie.setVisible(true);