Add benchmarks for slogSink

benchmark/benchmark_test.go

@@ -18,6 +18,8 @@ package logr
 
 import (
 	"fmt"
+	"log/slog"
+	"os"
 	"testing"
 
 	"github.com/go-logr/logr"
@@ -141,6 +143,10 @@ func doMarshalerValue(b *testing.B, log logr.Logger) {
 	}
 }
 
+//
+// discard
+//
+
 func BenchmarkDiscardLogInfoOneArg(b *testing.B) {
 	var log logr.Logger = logr.Discard()
 	doInfoOneArg(b, log)
@@ -181,6 +187,54 @@ func BenchmarkDiscardWithName(b *testing.B) {
 	doWithName(b, log)
 }
 
+//
+// slogSink wrapper of discard
+//
+
+func BenchmarkSlogSinkLogInfoOneArg(b *testing.B) {
+	var log logr.Logger = logr.FromSlogHandler(logr.ToSlogHandler(logr.Discard()))
+	doInfoOneArg(b, log)
+}
+
+func BenchmarkSlogSinkLogInfoSeveralArgs(b *testing.B) {
+	var log logr.Logger = logr.FromSlogHandler(logr.ToSlogHandler(logr.Discard()))
+	doInfoSeveralArgs(b, log)
+}
+
+func BenchmarkSlogSinkLogInfoWithValues(b *testing.B) {
+	var log logr.Logger = logr.FromSlogHandler(logr.ToSlogHandler(logr.Discard()))
+	doInfoWithValues(b, log)
+}
+
+func BenchmarkSlogSinkLogV0Info(b *testing.B) {
+	var log logr.Logger = logr.FromSlogHandler(logr.ToSlogHandler(logr.Discard()))
+	doV0Info(b, log)
+}
+
+func BenchmarkSlogSinkLogV9Info(b *testing.B) {
+	var log logr.Logger = logr.FromSlogHandler(logr.ToSlogHandler(logr.Discard()))
+	doV9Info(b, log)
+}
+
+func BenchmarkSlogSinkLogError(b *testing.B) {
+	var log logr.Logger = logr.FromSlogHandler(logr.ToSlogHandler(logr.Discard()))
+	doError(b, log)
+}
+
+func BenchmarkSlogSinkWithValues(b *testing.B) {
+	var log logr.Logger = logr.FromSlogHandler(logr.ToSlogHandler(logr.Discard()))
+	doWithValues(b, log)
+}
+
+func BenchmarkSlogSinkWithName(b *testing.B) {
+	var log logr.Logger = logr.FromSlogHandler(logr.ToSlogHandler(logr.Discard()))
+	doWithName(b, log)
+}
+
+//
+// funcr
+//
+
 func noopKV(_, _ string) {}
 func noopJSON(_ string)  {}
 
@@ -273,3 +327,73 @@ func BenchmarkFuncrJSONLogInfoMarshalerValue(b *testing.B) {
 	var log logr.Logger = funcr.NewJSON(noopJSON, funcr.Options{})
 	doMarshalerValue(b, log)
 }
+
+//
+// slogSink wrapper of slog's JSONHandler, for comparison
+//
+
+func makeSlogJSONLogger() logr.Logger {
+	devnull, _ := os.Open("/dev/null")
+	handler := slog.NewJSONHandler(devnull, nil)
+	return logr.FromSlogHandler(handler)
+}
+
+func BenchmarkSlogJSONLogInfoOneArg(b *testing.B) {
+	var log logr.Logger = makeSlogJSONLogger()
+	doInfoOneArg(b, log)
+}
+
+func BenchmarkSlogJSONLogInfoSeveralArgs(b *testing.B) {
+	var log logr.Logger = makeSlogJSONLogger()
+	doInfoSeveralArgs(b, log)
+}
+
+func BenchmarkSlogJSONLogInfoWithValues(b *testing.B) {
+	var log logr.Logger = makeSlogJSONLogger()
+	doInfoWithValues(b, log)
+}
+
+func BenchmarkSlogJSONLogV0Info(b *testing.B) {
+	var log logr.Logger = makeSlogJSONLogger()
+	doV0Info(b, log)
+}
+
+func BenchmarkSlogJSONLogV9Info(b *testing.B) {
+	var log logr.Logger = makeSlogJSONLogger()
+	doV9Info(b, log)
+}
+
+func BenchmarkSlogJSONLogError(b *testing.B) {
+	var log logr.Logger = makeSlogJSONLogger()
+	doError(b, log)
+}
+
+func BenchmarkSlogJSONLogWithValues(b *testing.B) {
+	var log logr.Logger = makeSlogJSONLogger()
+	doWithValues(b, log)
+}
+
+func BenchmarkSlogJSONWithName(b *testing.B) {
+	var log logr.Logger = makeSlogJSONLogger()
+	doWithName(b, log)
+}
+
+func BenchmarkSlogJSONWithCallDepth(b *testing.B) {
+	var log logr.Logger = makeSlogJSONLogger()
+	doWithCallDepth(b, log)
+}
+
+func BenchmarkSlogJSONLogInfoStringerValue(b *testing.B) {
+	var log logr.Logger = makeSlogJSONLogger()
+	doStringerValue(b, log)
+}
+
+func BenchmarkSlogJSONLogInfoErrorValue(b *testing.B) {
+	var log logr.Logger = makeSlogJSONLogger()
+	doErrorValue(b, log)
+}
+
+func BenchmarkSlogJSONLogInfoMarshalerValue(b *testing.B) {
+	var log logr.Logger = makeSlogJSONLogger()
+	doMarshalerValue(b, log)
+}