Function benchmarkHistogramWrite

prometheus/histogram_test.go:79–111

(w int, b *testing.B)

}

func benchmarkHistogramWrite(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 < 1000000; i++ {
		s.Observe(float64(i))
	}

	for j := 0; j < w; j++ {
		outs := make([]dto.Metric, b.N)

		go func(o []dto.Metric) {
			g.Wait()

			for i := 0; i < b.N; i++ {
				s.Write(&o[i])
			}

			wg.Done()
		}(outs)
	}

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

func BenchmarkHistogramWrite1(b *testing.B) {
	benchmarkHistogramWrite(1, b)