analysis

type HistogramBucket struct {
	From  time.Duration
	To    time.Duration
	Count int
}

type LatencyStats struct {
	Count       int
	Min         time.Duration
	Max         time.Duration
	Mean        time.Duration
	Median      time.Duration
	StdDev      time.Duration
	Percentiles map[int]time.Duration
	Histogram   []HistogramBucket
}