all: Add Prometheus-style metrics to expose some internal performance counters (fixes #5175) (#9003)

2023-08-04 19:57:30 +02:00
parent 58042b3129
commit b9c08d3814
25 changed files with 945 additions and 53 deletions
@@ -137,6 +137,9 @@ func newFolder(model *model, fset *db.FileSet, ignores *ignore.Matcher, cfg conf
 	f.pullPause = f.pullBasePause()
 	f.pullFailTimer = time.NewTimer(0)
 	<-f.pullFailTimer.C
+
+	registerFolderMetrics(f.ID)
+
 	return f
 }

@@ -459,6 +462,11 @@ func (f *folder) scanSubdirs(subDirs []string) error {
 	}
 	defer f.ioLimiter.Give(1)

+	metricFolderScans.WithLabelValues(f.ID).Inc()
+	ctx, cancel := context.WithCancel(f.ctx)
+	defer cancel()
+	go addTimeUntilCancelled(ctx, metricFolderScanSeconds.WithLabelValues(f.ID))
+
 	for i := range subDirs {
 		sub := osutil.NativeFilename(subDirs[i])