diff --git a/internal/telemetry/log/bench_test.go b/internal/telemetry/log/bench_test.go
new file mode 100644
index 0000000000..dc77bd6a1e
--- /dev/null
+++ b/internal/telemetry/log/bench_test.go
@@ -0,0 +1,110 @@
+package log_test
+
+import (
+	"context"
+	stdlog "log"
+	"strings"
+	"testing"
+
+	tellog "golang.org/x/tools/internal/telemetry/log"
+	"golang.org/x/tools/internal/telemetry/tag"
+)
+
+func init() {
+	stdlog.SetOutput(new(noopWriter))
+}
+
+type noopWriter int
+
+func (nw *noopWriter) Write(b []byte) (int, error) {
+	return len(b), nil
+}
+
+func A(a int) int {
+	if a > 0 {
+		_ = 10 * 12
+	}
+	return B("Called from A")
+}
+
+func B(b string) int {
+	b = strings.ToUpper(b)
+	if len(b) > 1024 {
+		b = strings.ToLower(b)
+	}
+	return len(b)
+}
+
+func A_log(ctx context.Context, a int) int {
+	if a > 0 {
+		tellog.Print(ctx, "a > 0", tag.Of("a", a))
+		_ = 10 * 12
+	}
+	tellog.Print(ctx, "calling b")
+	return B_log(ctx, "Called from A")
+}
+
+func B_log(ctx context.Context, b string) int {
+	b = strings.ToUpper(b)
+	tellog.Print(ctx, "b uppercased, so lowercased", tag.Of("len_b", len(b)))
+	if len(b) > 1024 {
+		b = strings.ToLower(b)
+		tellog.Print(ctx, "b > 1024, so lowercased", tag.Of("b", b))
+	}
+	return len(b)
+}
+
+func A_log_stdlib(a int) int {
+	if a > 0 {
+		stdlog.Printf("a > 0 where a=%d", a)
+		_ = 10 * 12
+	}
+	stdlog.Print("calling b")
+	return B_log_stdlib("Called from A")
+}
+
+func B_log_stdlib(b string) int {
+	b = strings.ToUpper(b)
+	stdlog.Printf("b uppercased, so lowercased where len_b=%d", len(b))
+	if len(b) > 1024 {
+		b = strings.ToLower(b)
+		stdlog.Printf("b > 1024, so lowercased where b=%s", b)
+	}
+	return len(b)
+}
+
+func BenchmarkNoTracingNoMetricsNoLogging(b *testing.B) {
+	b.ReportAllocs()
+	values := []int{0, 10, 20, 100, 1000}
+	for i := 0; i < b.N; i++ {
+		for _, value := range values {
+			if g := A(value); g <= 0 {
+				b.Fatalf("Unexpected got g(%d) <= 0", g)
+			}
+		}
+	}
+}
+
+func BenchmarkLoggingNoExporter(b *testing.B) {
+	b.ReportAllocs()
+	values := []int{0, 10, 20, 100, 1000}
+	for i := 0; i < b.N; i++ {
+		for _, value := range values {
+			if g := A_log(context.TODO(), value); g <= 0 {
+				b.Fatalf("Unexpected got g(%d) <= 0", g)
+			}
+		}
+	}
+}
+
+func BenchmarkLoggingStdlib(b *testing.B) {
+	b.ReportAllocs()
+	values := []int{0, 10, 20, 100, 1000}
+	for i := 0; i < b.N; i++ {
+		for _, value := range values {
+			if g := A_log_stdlib(value); g <= 0 {
+				b.Fatalf("Unexpected got g(%d) <= 0", g)
+			}
+		}
+	}
+}