Package monotime provides a fast monotonic clock source.
type Time uint64
Time represents a point in monotonic time
func Now() Time
Now returns the current time in nanoseconds from a monotonic clock. The time returned is based on some arbitrary platform-specific point in the past. The time returned is guaranteed to increase monotonically at a constant rate, unlike time.Now() from the Go standard library, which may slow down, speed up, jump forward or backward, due to NTP activity or leap seconds.