Function benchmarkHistogramObserve

prometheus/histogram_test.go:35–61

(w int, b *testing.B)

)

func benchmarkHistogramObserve(w int, b *testing.B) {
	b.StopTimer()

	wg := new(sync.WaitGroup)
	wg.Add(w)

	g := new(sync.WaitGroup)
	g.Add(1)

	s := NewHistogram(HistogramOpts{})

	for i := 0; i < w; i++ {
		go func() {
			g.Wait()

			for i := 0; i < b.N; i++ {
				s.Observe(float64(i))
			}

			wg.Done()
		}()
	}

	b.StartTimer()
	g.Done()
	wg.Wait()
}

func BenchmarkHistogramObserve1(b *testing.B) {
	benchmarkHistogramObserve(1, b)