unistack-org/metrics
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add inf

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This commit is contained in:
greyireland 2023-02-07 15:00:56 +08:00
parent 60fb01a811
commit 8466104303
1 changed files with 10 additions and 0 deletions
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10
histogram.go
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@ -233,11 +233,15 @@ func (h *Histogram) marshalTo(prefix string, w io.Writer) {
}
func (h *Histogram) marshalToPrometheus(prefix string, w io.Writer) {
countTotal := uint64(0)
inf := false
h.VisitNonZeroBuckets(func(vmrange string, count uint64) {
v := strings.Split(vmrange, "...")
if len(v) != 2 {
return
}
if v[1] == "+Inf" {
inf = true
}
tag := fmt.Sprintf("le=%q", v[1])
metricName := addTag(prefix, tag)
name, labels := splitMetricName(metricName)
@ -247,6 +251,12 @@ func (h *Histogram) marshalToPrometheus(prefix string, w io.Writer) {
if countTotal == 0 {
return
}
if !inf {
tag := fmt.Sprintf("le=%q", "+Inf")
metricName := addTag(prefix, tag)
name, labels := splitMetricName(metricName)
fmt.Fprintf(w, "%s_bucket%s %d\n", name, labels, countTotal)
}
name, labels := splitMetricName(prefix)
sum := h.getSum()
if float64(int64(sum)) == sum {