perftype

type DataItem struct {
	// Data is a map from bucket to real data point (e.g. "Perc90" -> 23.5). Notice
	// that all data items with the same label conbination should have the same buckets.
	Data map[string]float64 `json:"data"`
	// Unit is the data unit. Notice that all data items with the same label combination
	// should have the same unit.
	Unit string `json:"unit"`
	// Labels is the labels of the data item.
	Labels map[string]string `json:"labels"`
}

type PerfData struct {
	// Version is the version of the metrics. The metrics consumer could use the version
	// to detect metrics version change and decide what version to support.
	Version   string     `json:"version"`
	DataItems []DataItem `json:"dataItems"`
}