func registerGCStats(r metrics.Registry) {
g := metrics.NewGauge()
r.Register("local.GCStats.LastGCDuration", g)
}
func registerRusageStats(r metrics.Registry) {
for _, metric := range []string{"UserTime", "SystemTime", "MaxRss", "InBlock", "OuBlock"} {
g := metrics.NewGauge()
r.Register("rusage."+metric, g)
}
}
