Ejemplo n.º 1
0
func BenchmarkSameGaugesAddAndProcess(b *testing.B) {
	metrics := getSameGauges(b.N)
	b.ResetTimer()
	g := gauges.New("bar")
	for i := 0; i < len(metrics); i++ {
		g.Add(&metrics[i])
	}
	g.Process(make([]byte, 0), time.Now().Unix(), 10)
}
Ejemplo n.º 2
0
// metricsMonitor basically guards the metrics datastructures.
// it typically receives metrics on the Metrics channel but also responds to
// external signals and every flushInterval, computes and flushes the data
func (s *StatsDaemon) metricsMonitor() {
	period := time.Duration(s.flushInterval) * time.Second
	tick := ticker.GetAlignedTicker(s.Clock, period)

	var c *counters.Counters
	var g *gauges.Gauges
	var t *timers.Timers
	oneCounter := &common.Metric{
		Bucket:   fmt.Sprintf("%sdirection_is_in.statsd_type_is_counter.target_type_is_count.unit_is_Metric", s.prefix),
		Value:    1,
		Sampling: 1,
	}
	oneGauge := &common.Metric{
		Bucket:   fmt.Sprintf("%sdirection_is_in.statsd_type_is_gauge.target_type_is_count.unit_is_Metric", s.prefix),
		Value:    1,
		Sampling: 1,
	}
	oneTimer := &common.Metric{
		Bucket:   fmt.Sprintf("%sdirection_is_in.statsd_type_is_timer.target_type_is_count.unit_is_Metric", s.prefix),
		Value:    1,
		Sampling: 1,
	}

	initializeCounters := func() {
		c = counters.New(s.prefix_rates, s.prefix_counters, s.legacy_namespace, s.flush_rates, s.flush_counts)
		g = gauges.New(s.prefix_gauges)
		t = timers.New(s.prefix_timers, s.pct)
		for _, name := range []string{"timer", "gauge", "counter"} {
			c.Add(&common.Metric{
				Bucket:   fmt.Sprintf("%sdirection_is_in.statsd_type_is_%s.target_type_is_count.unit_is_Metric", s.prefix, name),
				Sampling: 1,
			})
		}
	}
	initializeCounters()
	for {
		select {
		case sig := <-s.signalchan:
			switch sig {
			case syscall.SIGTERM, syscall.SIGINT:
				fmt.Printf("!! Caught signal %s... shutting down\n", sig)
				s.submitFunc(c, g, t, s.Clock.Now().Add(period))
				return
			default:
				fmt.Printf("unknown signal %s, ignoring\n", sig)
			}
		case <-tick.C:
			go func(c *counters.Counters, g *gauges.Gauges, t *timers.Timers) {
				s.submitFunc(c, g, t, s.Clock.Now().Add(period))
				s.events.Broadcast <- "flush"
			}(c, g, t)
			initializeCounters()
			tick = ticker.GetAlignedTicker(s.Clock, period)
		case metrics := <-s.Metrics:
			for _, m := range metrics {
				if m.Modifier == "ms" {
					t.Add(m)
					c.Add(oneTimer)
				} else if m.Modifier == "g" {
					g.Add(m)
					c.Add(oneGauge)
				} else {
					c.Add(m)
					c.Add(oneCounter)
				}
			}
		}
	}
}