statsutil

type StatsUtil interface {
	// GetSystemCPUUsage returns the host system's cpu usage in
	// nanoseconds. An error is returned if the format of the underlying
	// file does not match.
	GetSystemCPUUsage() (uint64, error)

	// GetNumberOnlineCPUs estimates number of available CPUs
	GetNumberOnlineCPUs() (uint32, error)

	// CollectNetworkStats collects network usage statistics for specified network
	// interfaces in a process namespace
	CollectNetworkStats(pid int, interfaces []native.NetInterface) (map[string]dockertypes.NetworkStats, error)
}