Golang NewScaledHistogram 예제들

예제 #1

파일: scaled_histogram_test.go 프로젝트: jllopis/kit

func TestScaledHistogram(t *testing.T) {
	quantiles := []int{50, 90, 99}
	scale := int64(10)
	metricName := "test_scaled_histogram"

	var h metrics.Histogram
	h = expvar.NewHistogram(metricName, 0, 1000, 3, quantiles...)
	h = metrics.NewScaledHistogram(h, scale)

	const seed, mean, stdev = 333, 500, 100          // input values
	populateNormalHistogram(t, h, seed, mean, stdev) // will be scaled down
	assertExpvarNormalHistogram(t, metricName, mean/scale, stdev/scale, quantiles)
}

예제 #2

파일: scaled_histogram_test.go 프로젝트: qband/down

func TestScaledHistogram(t *testing.T) {
	var (
		quantiles  = []int{50, 90, 99}
		scale      = int64(10)
		metricName = "test_scaled_histogram"
	)

	var h metrics.Histogram
	h = expvar.NewHistogram(metricName, 0, 1000, 3, quantiles...)
	h = metrics.NewScaledHistogram(h, scale)
	h = h.With(metrics.Field{Key: "a", Value: "b"})

	const seed, mean, stdev = 333, 500, 100                   // input values
	teststat.PopulateNormalHistogram(t, h, seed, mean, stdev) // will be scaled down
	assertExpvarNormalHistogram(t, metricName, mean/scale, stdev/scale, quantiles)
}