type runtime.traceTime

5 uses

	runtime (current package)
		tracebuf.go#L261: 	lastTime traceTime // when we wrote the last event
		tracetime.go#L45: type traceTime uint64
		tracetime.go#L58: func traceClockNow() traceTime {
		tracetime.go#L60: 		return traceTime(cputicks() / traceTimeDiv)
		tracetime.go#L62: 	return traceTime(nanotime() / traceTimeDiv)