controller

type Controller struct {
	Grid *ui.Grid

	HeapObjectsSparkline      *widgets.Sparkline
	HeapObjectsSparklineGroup *widgets.SparklineGroup
	HeapObjectsData           *statRing

	SysText *widgets.Paragraph

	GCCPUFraction *widgets.Gauge // TODO WARN: this crashes the whole application, how to solve this?

	HeapAllocBarChart     *widgets.BarChart
	HeapAllocBarChartData *statRing

	HeapPie *widgets.PieChart
}

type ControllerInterface interface {
	Render(*runtime.MemStats)
	Resize()
}