Add new default metric go_info
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@ -11,6 +11,7 @@ type goCollector struct {
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goroutinesDesc *Desc
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threadsDesc *Desc
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gcDesc *Desc
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goInfoDesc *Desc
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// metrics to describe and collect
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metrics memStatsMetrics
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@ -26,12 +27,16 @@ func NewGoCollector() Collector {
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nil, nil),
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threadsDesc: NewDesc(
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"go_threads",
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"Number of OS threads created",
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"Number of OS threads created.",
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nil, nil),
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gcDesc: NewDesc(
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"go_gc_duration_seconds",
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"A summary of the GC invocation durations.",
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nil, nil),
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goInfoDesc: NewDesc(
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"go_info",
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"Information about the Go environment.",
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nil, Labels{"version": runtime.Version()}),
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metrics: memStatsMetrics{
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{
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desc: NewDesc(
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@ -239,6 +244,7 @@ func (c *goCollector) Describe(ch chan<- *Desc) {
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ch <- c.goroutinesDesc
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ch <- c.threadsDesc
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ch <- c.gcDesc
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ch <- c.goInfoDesc
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for _, i := range c.metrics {
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ch <- i.desc
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}
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@ -261,6 +267,8 @@ func (c *goCollector) Collect(ch chan<- Metric) {
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quantiles[0.0] = stats.PauseQuantiles[0].Seconds()
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ch <- MustNewConstSummary(c.gcDesc, uint64(stats.NumGC), float64(stats.PauseTotal.Seconds()), quantiles)
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ch <- MustNewConstMetric(c.goInfoDesc, GaugeValue, 1)
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ms := &runtime.MemStats{}
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runtime.ReadMemStats(ms)
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for _, i := range c.metrics {
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@ -54,10 +54,11 @@ func TestGoCollector(t *testing.T) {
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}
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// GoCollector performs three sends per call.
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// On line 27 we need to receive the second send
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// On line 27 we need to receive three more sends
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// to shut down cleanly.
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<-ch
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<-ch
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<-ch
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return
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case <-time.After(1 * time.Second):
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t.Fatalf("expected collect timed out")
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