From 87cb6b02a6b562829af0f7c266ab0e12f46b43b5 Mon Sep 17 00:00:00 2001
From: Daniel Nephin <dnephin@gmail.com>
Date: Sat, 5 Jun 2021 12:22:13 -0400
Subject: [PATCH] Add example of running with cpuprofile enabled

---
 README.md | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/README.md b/README.md
index f7ffe4c4..019f9b8e 100644
--- a/README.md
+++ b/README.md
@@ -232,6 +232,25 @@ stdout and stderr output:
   stderr, not the `test2json` stdout). Any stderr produced by tests is not
   considered an error (it will be in the `test2json` stdout).
 
+**Example: run tests with profiling enabled**
+
+Using a `profile.sh` script like this:
+
+```sh
+#!/usr/bin/env bash
+set -eu
+
+for pkg in $(go list "$@"); do
+    dir="$(go list -f '{{ .Dir }}' $pkg)"
+    go test -json -cpuprofile="$dir/cpu.profile" "$pkg"
+done
+```
+
+You can run:
+```
+gotestsum --raw-command ./profile.sh ./...
+```
+
 **Example: using `TEST_DIRECTORY`**
 ```
 TEST_DIRECTORY=./io/http gotestsum