Replace godep with dep

vendor/github.com/prometheus/client_golang/prometheus/benchmark_test.go

@@ -0,0 +1,183 @@
+// Copyright 2014 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package prometheus
+
+import (
+	"sync"
+	"testing"
+)
+
+func BenchmarkCounterWithLabelValues(b *testing.B) {
+	m := NewCounterVec(
+		CounterOpts{
+			Name: "benchmark_counter",
+			Help: "A counter to benchmark it.",
+		},
+		[]string{"one", "two", "three"},
+	)
+	b.ReportAllocs()
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		m.WithLabelValues("eins", "zwei", "drei").Inc()
+	}
+}
+
+func BenchmarkCounterWithLabelValuesConcurrent(b *testing.B) {
+	m := NewCounterVec(
+		CounterOpts{
+			Name: "benchmark_counter",
+			Help: "A counter to benchmark it.",
+		},
+		[]string{"one", "two", "three"},
+	)
+	b.ReportAllocs()
+	b.ResetTimer()
+	wg := sync.WaitGroup{}
+	for i := 0; i < 10; i++ {
+		wg.Add(1)
+		go func() {
+			for j := 0; j < b.N/10; j++ {
+				m.WithLabelValues("eins", "zwei", "drei").Inc()
+			}
+			wg.Done()
+		}()
+	}
+	wg.Wait()
+}
+
+func BenchmarkCounterWithMappedLabels(b *testing.B) {
+	m := NewCounterVec(
+		CounterOpts{
+			Name: "benchmark_counter",
+			Help: "A counter to benchmark it.",
+		},
+		[]string{"one", "two", "three"},
+	)
+	b.ReportAllocs()
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		m.With(Labels{"two": "zwei", "one": "eins", "three": "drei"}).Inc()
+	}
+}
+
+func BenchmarkCounterWithPreparedMappedLabels(b *testing.B) {
+	m := NewCounterVec(
+		CounterOpts{
+			Name: "benchmark_counter",
+			Help: "A counter to benchmark it.",
+		},
+		[]string{"one", "two", "three"},
+	)
+	b.ReportAllocs()
+	b.ResetTimer()
+	labels := Labels{"two": "zwei", "one": "eins", "three": "drei"}
+	for i := 0; i < b.N; i++ {
+		m.With(labels).Inc()
+	}
+}
+
+func BenchmarkCounterNoLabels(b *testing.B) {
+	m := NewCounter(CounterOpts{
+		Name: "benchmark_counter",
+		Help: "A counter to benchmark it.",
+	})
+	b.ReportAllocs()
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		m.Inc()
+	}
+}
+
+func BenchmarkGaugeWithLabelValues(b *testing.B) {
+	m := NewGaugeVec(
+		GaugeOpts{
+			Name: "benchmark_gauge",
+			Help: "A gauge to benchmark it.",
+		},
+		[]string{"one", "two", "three"},
+	)
+	b.ReportAllocs()
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		m.WithLabelValues("eins", "zwei", "drei").Set(3.1415)
+	}
+}
+
+func BenchmarkGaugeNoLabels(b *testing.B) {
+	m := NewGauge(GaugeOpts{
+		Name: "benchmark_gauge",
+		Help: "A gauge to benchmark it.",
+	})
+	b.ReportAllocs()
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		m.Set(3.1415)
+	}
+}
+
+func BenchmarkSummaryWithLabelValues(b *testing.B) {
+	m := NewSummaryVec(
+		SummaryOpts{
+			Name: "benchmark_summary",
+			Help: "A summary to benchmark it.",
+		},
+		[]string{"one", "two", "three"},
+	)
+	b.ReportAllocs()
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		m.WithLabelValues("eins", "zwei", "drei").Observe(3.1415)
+	}
+}
+
+func BenchmarkSummaryNoLabels(b *testing.B) {
+	m := NewSummary(SummaryOpts{
+		Name: "benchmark_summary",
+		Help: "A summary to benchmark it.",
+	},
+	)
+	b.ReportAllocs()
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		m.Observe(3.1415)
+	}
+}
+
+func BenchmarkHistogramWithLabelValues(b *testing.B) {
+	m := NewHistogramVec(
+		HistogramOpts{
+			Name: "benchmark_histogram",
+			Help: "A histogram to benchmark it.",
+		},
+		[]string{"one", "two", "three"},
+	)
+	b.ReportAllocs()
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		m.WithLabelValues("eins", "zwei", "drei").Observe(3.1415)
+	}
+}
+
+func BenchmarkHistogramNoLabels(b *testing.B) {
+	m := NewHistogram(HistogramOpts{
+		Name: "benchmark_histogram",
+		Help: "A histogram to benchmark it.",
+	},
+	)
+	b.ReportAllocs()
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		m.Observe(3.1415)
+	}
+}