const runtime.timeHistNumSubBuckets

10 uses

	runtime (current package)
		histogram.go#L55: 	timeHistNumSubBuckets   = 1 << timeHistSubBucketBits
		histogram.go#L57: 	timeHistTotalBuckets    = timeHistNumSuperBuckets*timeHistNumSubBuckets + 1
		histogram.go#L73: 	counts [timeHistNumSuperBuckets * timeHistNumSubBuckets]uint64
		histogram.go#L94: 	if duration >= timeHistNumSubBuckets {
		histogram.go#L98: 		if superBucket*timeHistNumSubBuckets >= uint(len(h.counts)) {
		histogram.go#L103: 			subBucket = timeHistNumSubBuckets - 1
		histogram.go#L109: 			subBucket = uint((duration >> (superBucket - 1)) % timeHistNumSubBuckets)
		histogram.go#L114: 	atomic.Xadd64(&h.counts[superBucket*timeHistNumSubBuckets+subBucket], 1)
		histogram.go#L159: 		for j := 0; j < timeHistNumSubBuckets; j++ {
		histogram.go#L167: 			b[i*timeHistNumSubBuckets+j+1] = float64(subBucketMin) / 1e9