From 2ce22442f6b5905280ff9fc3427b9422cda94500 Mon Sep 17 00:00:00 2001
From: Joyee Cheung <joyeec9h3@gmail.com>
Date: Mon, 26 Oct 2020 23:54:41 +0800
Subject: [PATCH] benchmark: add startup benchmark for loading public modules

Adding a new benchmark for testing the performance of loading
available public modules.
---
 benchmark/fixtures/require-builtins.js | 46 ++++++++++++++++++++++++++
 benchmark/misc/startup.js              |  6 +++-
 2 files changed, 51 insertions(+), 1 deletion(-)
 create mode 100644 benchmark/fixtures/require-builtins.js

diff --git a/benchmark/fixtures/require-builtins.js b/benchmark/fixtures/require-builtins.js
new file mode 100644
index 00000000000000..a100e9efd0cae5
--- /dev/null
+++ b/benchmark/fixtures/require-builtins.js
@@ -0,0 +1,46 @@
+'use strict';
+
+const list = [
+  'async_hooks',
+  'assert',
+  'buffer',
+  'child_process',
+  'console',
+  'constants',
+  'crypto',
+  'cluster',
+  'dgram',
+  'dns',
+  'domain',
+  'events',
+  'fs',
+  'http',
+  'http2',
+  'https',
+  'inspector',
+  'module',
+  'net',
+  'os',
+  'path',
+  'perf_hooks',
+  'process',
+  'punycode',
+  'querystring',
+  'readline',
+  'repl',
+  'stream',
+  'string_decoder',
+  'timers',
+  'tls',
+  'trace_events',
+  'tty',
+  'url',
+  'util',
+  'vm',
+  'zlib',
+];
+
+for (let i = 0; i < list.length; ++i) {
+  const item = list[i];
+  require(item);
+}
diff --git a/benchmark/misc/startup.js b/benchmark/misc/startup.js
index da24ee65199077..dea5a31753f8fe 100644
--- a/benchmark/misc/startup.js
+++ b/benchmark/misc/startup.js
@@ -7,7 +7,11 @@ let Worker;  // Lazy loaded in main
 
 const bench = common.createBenchmark(main, {
   dur: [1],
-  script: ['benchmark/fixtures/require-cachable', 'test/fixtures/semicolon'],
+  script: [
+    'benchmark/fixtures/require-builtins',
+    'benchmark/fixtures/require-cachable',
+    'test/fixtures/semicolon',
+  ],
   mode: ['process', 'worker']
 }, {
   flags: ['--expose-internals']