data

type Data struct {
	// Data per each node.
	Nodes map[string]*Node

	Timestamp time.Time
	Interval  time.Duration
}

type Node struct {
	// These fields are directly API responses.
	Hostname    *machine.Hostname
	LoadAvg     *machine.LoadAvg
	Version     *machine.Version
	Memory      *machine.Memory
	SystemStat  *machine.SystemStat
	CPUsInfo    *machine.CPUsInfo
	NetDevStats *machine.NetworkDeviceStats
	DiskStats   *machine.DiskStats
	Processes   *machine.Process

	// These fields are calculated as diff with Node data from previous pol.
	SystemStatDiff  *machine.SystemStat
	NetDevStatsDiff *machine.NetworkDeviceStats
	DiskStatsDiff   *machine.DiskStats
	ProcsDiff       map[int32]*machine.ProcessInfo

	// Time-series data.
	Series map[string][]float64
}