return r
		}

		// Grab the current time in both clocks.
		nowTime := nanotime()
		nowTicks := cputicks()

		// See if we can use these times.
		if nowTicks > ticks.startTicks && nowTime-ticks.startTime > minTimeForTicksPerSecond {
			// Perform the calculation with floats. We don't want to risk overflow.
			r = int64(float64(nowTicks-ticks.startTicks) * 1e9 / float64(nowTime-ticks.startTime))
			if r == 0 {

	gp := getg()

	if lt.timeStart != 0 {
		nowTime := nanotime()
		gp.m.mLockProfile.waitTime.Add((nowTime - lt.timeStart) * lt.timeRate)
	}

	if lt.tickStart != 0 {
		nowTick := cputicks()
		gp.m.mLockProfile.recordLock(nowTick-lt.tickStart, lt.lock)
	}
}

type mLockProfile struct {
	waitTime   atomic.Int64 // total nanoseconds spent waiting in runtime.lockWithRank