Add number of goroutines to reported metrics (elastic#12135)

ph · May 21, 2019 · 2083a22 · 2083a22
1 parent 6335904
commit 2083a22
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Showing 4 changed files with 13 additions and 0 deletions.
diff --git a/CHANGELOG.next.asciidoc b/CHANGELOG.next.asciidoc
@@ -148,6 +148,7 @@ https://github.com/elastic/beats/compare/v7.0.0-alpha2...master[Check the HEAD d
 - Add `decode_csv_fields` processor. {pull}11753[11753]
 - Add `convert` processor for converting data types of fields. {issue}8124[8124] {pull}11686[11686]
 - New `extract_array` processor. {pull}11761[11761]
+- Add number of goroutines to reported metrics. {pull}12135[12135]
 
 *Auditbeat*
 

diff --git a/libbeat/cmd/instance/metrics.go b/libbeat/cmd/instance/metrics.go
@@ -57,6 +57,7 @@ func setupMetrics(name string) error {
 
 	monitoring.NewFunc(beatMetrics, "memstats", reportMemStats, monitoring.Report)
 	monitoring.NewFunc(beatMetrics, "cpu", reportBeatCPU, monitoring.Report)
+	monitoring.NewFunc(beatMetrics, "runtime", reportRuntime, monitoring.Report)
 
 	setupPlatformSpecificMetrics()
 
@@ -246,3 +247,10 @@ func reportSystemCPUUsage(_ monitoring.Mode, V monitoring.Visitor) {
 
 	monitoring.ReportInt(V, "cores", int64(process.NumCPU))
 }
+
+func reportRuntime(_ monitoring.Mode, V monitoring.Visitor) {
+	V.OnRegistryStart()
+	defer V.OnRegistryFinished()
+
+	monitoring.ReportInt(V, "goroutines", int64(runtime.NumGoroutine()))
+}
diff --git a/libbeat/docs/http-endpoint.asciidoc b/libbeat/docs/http-endpoint.asciidoc
@@ -95,6 +95,9 @@ curl -XGET 'localhost:5066/stats?pretty'
       "memory_alloc": 9433384,
       "memory_total": 492478864,
       "rss": 50405376
+    },
+    "runtime": {
+      "goroutines": 22
     }
   },
   "libbeat": {

diff --git a/libbeat/monitoring/report/log/log.go b/libbeat/monitoring/report/log/log.go
@@ -55,6 +55,7 @@ var gauges = map[string]bool{
 	"beat.handles.open":              true,
 	"beat.handles.limit.hard":        true,
 	"beat.handles.limit.soft":        true,
+	"beat.runtime.goroutines":        true,
 	"system.load.1":                  true,
 	"system.load.5":                  true,
 	"system.load.15":                 true,