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examples: Improved GoCollector example. (#1589) 

Signed-off-by: bwplotka <bwplotka@gmail.com>
This commit is contained in:
Bartlomiej Plotka 2024-09-02 16:43:16 +02:00 committed by GitHub
parent 30da80dfe1
commit fa4f164b6d
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1 changed files with 12 additions and 5 deletions
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17
examples/gocollector/main.go
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@ -37,11 +37,18 @@ func main() {
// Create a new registry.
reg := prometheus.NewRegistry()
// Add Go module build info.
reg.MustRegister(collectors.NewBuildInfoCollector())
reg.MustRegister(collectors.NewGoCollector(
collectors.WithGoCollectorRuntimeMetrics(collectors.GoRuntimeMetricsRule{Matcher: regexp.MustCompile("/.*")}),
))
// Register metrics from GoCollector collecting statistics from the Go Runtime.
// This enabled default, recommended metrics with the additional, recommended metric for
// goroutine scheduling latencies histogram that is currently bit too expensive for default option.
//
// See the related GopherConUK talk to learn more: https://www.youtube.com/watch?v=18dyI_8VFa0
reg.MustRegister(
collectors.NewGoCollector(
collectors.WithGoCollectorRuntimeMetrics(
collectors.GoRuntimeMetricsRule{Matcher: regexp.MustCompile("/sched/latencies:seconds")},
),
),
)
// Expose the registered metrics via HTTP.
http.Handle("/metrics", promhttp.HandlerFor(