From 7b615d6a34af60069981131d1594568424d2fb34 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Felix=20Geisend=C3=B6rfer?=
 <felix.geisendoerfer@datadoghq.com>
Date: Sat, 11 Sep 2021 15:47:27 +0200
Subject: [PATCH] hack

---
 guide/memory-profiler.go | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 guide/memory-profiler.go

diff --git a/guide/memory-profiler.go b/guide/memory-profiler.go
new file mode 100644
index 0000000..a866241
--- /dev/null
+++ b/guide/memory-profiler.go
@@ -0,0 +1,38 @@
+// +build ignore
+
+package main
+
+import (
+	"os"
+	"runtime/pprof"
+	"time"
+)
+
+func main() {
+	file, _ := os.Create("./mem.pprof")
+	defer pprof.Lookup("allocs").WriteTo(file, 0)
+
+	go allocSmall()
+	go allocBig()
+
+	time.Sleep(1 * time.Second)
+}
+
+//go:noinline
+func allocSmall() {
+	for i := 0; ; i++ {
+		_ = alloc(32)
+	}
+}
+
+//go:noinline
+func allocBig() {
+	for i := 0; ; i++ {
+		_ = alloc(256)
+	}
+}
+
+//go:noinline
+func alloc(size int) []byte {
+	return make([]byte, size)
+}