}

func blockevent(cycles int64, skip int) {
	if cycles <= 0 {
		cycles = 1
	}

	rate := int64(atomic.Load64(&blockprofilerate))
	if blocksampled(cycles, rate) {
		saveblockevent(cycles, rate, skip+1, blockProfile)
	}
}

// blocksampled returns true for all events where cycles >= rate. Shorter
// events have a cycles/rate random chance of returning true.