procstat

type Stats struct {
	PID        int
	Started    time.Time // when this process loaded the package: its start, near enough
	RSS        uint64    // resident bytes now (Linux; 0 elsewhere)
	PeakRSS    uint64    // the most resident bytes so far, getrusage's maxrss in bytes
	CPUSeconds float64   // user + system CPU used so far: cumulative, never a rate
	GoMemory   uint64    // what the Go runtime has mapped
	GoHeap     uint64    // live heap objects
	Goroutines int
	CPUs       int
}