micro-meter-prometheus/summary.go

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package prometheus
import (
"sync/atomic"
"time"
dto "github.com/prometheus/client_model/go"
)
type prometheusSummary struct {
name string
c *dto.Metric
}
func (c prometheusSummary) Update(n float64) {
atomic.AddUint64(c.c.Summary.SampleCount, 1)
addFloat64(c.c.Summary.SampleSum, n)
}
func (c prometheusSummary) UpdateDuration(n time.Time) {
x := time.Since(n).Seconds()
atomic.AddUint64(c.c.Summary.SampleCount, 1)
addFloat64(c.c.Summary.SampleSum, x)
}