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Simplify new metrics reading 

Signed-off-by: Arianna Vespri <arianna.vespri@yahoo.it>
This commit is contained in:
Arianna Vespri 2024-07-21 18:15:48 +02:00
parent 17b306559d
commit 5d9b680e77
2 changed files with 19 additions and 24 deletions
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8
prometheus/go_collector.go
View File

@ -16,7 +16,6 @@ package prometheus
import (
"runtime"
"runtime/debug"
runmetr "runtime/metrics"
"time"
)
@ -314,10 +313,3 @@ type runtimeEnvVarsMetrics []struct { // I couldn't come up with a better name.
desc *Desc
origMetricName string
}
func readRunMetrSampleBuf(metricName string) []runmetr.Sample {
sampleBuf := make([]runmetr.Sample, 1)
sampleBuf[0].Name = metricName
runmetr.Read(sampleBuf)
return sampleBuf
}

21
prometheus/go_collector_latest.go
View File

@ -126,8 +126,8 @@ type goCollector struct {
msMetrics memStatsMetrics
msMetricsEnabled bool
rmEnvVarMetrics runtimeEnvVarsMetrics // how to call them???
rmEnvVarMetricsEnabled bool
rmEnvVarsMetrics runtimeEnvVarsMetrics // how to call them???
rmEnvVarsMetricsEnabled bool
}
type rmMetricDesc struct {
@ -269,7 +269,7 @@ func NewGoCollector(opts ...func(o *internal.GoCollectorOptions)) Collector {
var (
msMetrics memStatsMetrics
msDescriptions []metrics.Description
rmEnvVarMetrics runtimeEnvVarsMetrics
rmEnvVarsMetrics runtimeEnvVarsMetrics
rmEnvVarsDescriptions []metrics.Description
)
@ -288,7 +288,7 @@ func NewGoCollector(opts ...func(o *internal.GoCollectorOptions)) Collector {
}
if !opt.DisableRuntimeEnvVarsMetrics {
rmEnvVarMetrics = goRuntimeEnvVarsMetrics()
rmEnvVarsMetrics = goRuntimeEnvVarsMetrics()
rmEnvVarsDescriptions = bestEffortLookupRM(rmNamesForEnvVarsMetrics)
// Check if metric was not exposed before and if not, add to sampleBuf.
@ -308,8 +308,8 @@ func NewGoCollector(opts ...func(o *internal.GoCollectorOptions)) Collector {
rmExactSumMapForHist: opt.RuntimeMetricSumForHist,
msMetrics: msMetrics,
msMetricsEnabled: !opt.DisableMemStatsLikeMetrics,
rmEnvVarMetrics: rmEnvVarMetrics,
rmEnvVarMetricsEnabled: !opt.DisableRuntimeEnvVarsMetrics,
rmEnvVarsMetrics: rmEnvVarsMetrics,
rmEnvVarsMetricsEnabled: !opt.DisableRuntimeEnvVarsMetrics,
}
}
@ -390,9 +390,12 @@ func (c *goCollector) Collect(ch chan<- Metric) {
}
}
if c.rmEnvVarMetricsEnabled {
for _, v := range c.rmEnvVarMetrics {
ch <- MustNewConstMetric(v.desc, GaugeValue, float64(readRunMetrSampleBuf(v.origMetricName)[0].Value.Uint64()))
if c.rmEnvVarsMetricsEnabled {
sampleBuf := make([]metrics.Sample, len(c.rmEnvVarsMetrics))
for i, v := range c.rmEnvVarsMetrics {
sampleBuf[i].Name = v.origMetricName
metrics.Read(sampleBuf)
ch <- MustNewConstMetric(v.desc, GaugeValue, unwrapScalarRMValue(sampleBuf[i].Value))
}
}
}