Merge pull request #41 from thockin/benchmark

Add a simple benchmark

benchmark/benchmark_test.go

@@ -0,0 +1,91 @@
+/*
+Copyright 2021 The logr 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 logr
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/go-logr/logr"
+)
+
+func BenchmarkInfoOneArg(b *testing.B) {
+	var log logr.Logger = logr.Discard()
+
+	for i := 0; i < b.N; i++ {
+		log.Info("this is", "a", "string")
+	}
+}
+
+func BenchmarkInfoSeveralArgs(b *testing.B) {
+	var log logr.Logger = logr.Discard()
+
+	for i := 0; i < b.N; i++ {
+		log.Info("multi",
+			"bool", true, "string", "str", "int", 42,
+			"float", 3.14, "struct", struct{ X, Y int }{93, 76})
+	}
+}
+
+func BenchmarkV0Info(b *testing.B) {
+	var log logr.Logger = logr.Discard()
+
+	for i := 0; i < b.N; i++ {
+		log.V(0).Info("multi",
+			"bool", true, "string", "str", "int", 42,
+			"float", 3.14, "struct", struct{ X, Y int }{93, 76})
+	}
+}
+
+func BenchmarkV9Info(b *testing.B) {
+	var log logr.Logger = logr.Discard()
+
+	for i := 0; i < b.N; i++ {
+		log.V(9).Info("multi",
+			"bool", true, "string", "str", "int", 42,
+			"float", 3.14, "struct", struct{ X, Y int }{93, 76})
+	}
+}
+
+func BenchmarkError(b *testing.B) {
+	var log logr.Logger = logr.Discard()
+
+	err := fmt.Errorf("error message")
+	for i := 0; i < b.N; i++ {
+		log.Error(err, "multi",
+			"bool", true, "string", "str", "int", 42,
+			"float", 3.14, "struct", struct{ X, Y int }{93, 76})
+	}
+}
+
+func BenchmarkWithValues(b *testing.B) {
+	var log logr.Logger = logr.Discard()
+
+	for i := 0; i < b.N; i++ {
+		l := log.WithValues("k1", "v1", "k2", "v2")
+		_ = l
+	}
+}
+
+func BenchmarkWithName(b *testing.B) {
+	var log logr.Logger = logr.Discard()
+
+	for i := 0; i < b.N; i++ {
+		l := log.WithName("name")
+		_ = l
+	}
+}