func runtime/trace.runtime_traceClockUnitsPerSecond

2 uses

	runtime/trace (current package)
		flightrecorder.go#L75: 	fr.freq = frequency(1.0 / (float64(runtime_traceClockUnitsPerSecond()) / 1e9))
		flightrecorder.go#L179: func runtime_traceClockUnitsPerSecond() uint64