From 047fe3ee674a9cefeccc57aea3f843fc8c853d3a Mon Sep 17 00:00:00 2001
From: Aliaksandr Valialkin <valyala@victoriametrics.com>
Date: Wed, 16 Nov 2022 23:02:21 +0200
Subject: [PATCH] lib/promscrape: add a benchmark for internLabelStrings()

---
 lib/promscrape/config_timing_test.go | 31 ++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 lib/promscrape/config_timing_test.go

diff --git a/lib/promscrape/config_timing_test.go b/lib/promscrape/config_timing_test.go
new file mode 100644
index 0000000000..293e7f94ed
--- /dev/null
+++ b/lib/promscrape/config_timing_test.go
@@ -0,0 +1,31 @@
+package promscrape
+
+import (
+	"testing"
+
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
+)
+
+func BenchmarkInternLabelStrings(b *testing.B) {
+	b.ReportAllocs()
+	b.SetBytes(1)
+	b.RunParallel(func(pb *testing.PB) {
+		labels := []prompbmarshal.Label{
+			{
+				Name:  "job",
+				Value: "node-exporter",
+			},
+			{
+				Name:  "instance",
+				Value: "foo.bar.baz:1234",
+			},
+			{
+				Name:  "__meta_kubernetes_namespace",
+				Value: "default",
+			},
+		}
+		for pb.Next() {
+			internLabelStrings(labels)
+		}
+	})
+}