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mountain
2023-11-27 23:27:53 +09:00
parent cf4b458a4b
commit e1e2f3c087
2 changed files with 10 additions and 6 deletions
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4
client/custom_exporter.go
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@ -30,7 +30,7 @@ type metricValueAccessor struct {
ptr *uint64
}
func (va metricValueAccessor) set(val float64) {
func (va *metricValueAccessor) set(val float64) {
atomic.StoreUint64(va.ptr, math.Float64bits(val))
}
@ -69,6 +69,7 @@ func (e *exporterForPrometheus) registMetric(namespace string, desc metric.Metri
func (e *exporterForPrometheus) Describe(ch chan<- *prometheus.Desc) {
ptr := atomic.LoadPointer(&e.metricPtr)
container := *(*[]metricDesc)(ptr)
for _, v := range container {
ch <- v.Desc
}
@ -77,6 +78,7 @@ func (e *exporterForPrometheus) Describe(ch chan<- *prometheus.Desc) {
func (e *exporterForPrometheus) Collect(ch chan<- prometheus.Metric) {
ptr := atomic.LoadPointer(&e.metricPtr)
container := *(*[]metricDesc)(ptr)
for _, v := range container {
ch <- prometheus.MustNewConstMetric(v.Desc, v.valueType, math.Float64frombits(atomic.LoadUint64(v.val)))
}