Node.js v11.13.0

1 files changed, 44 insertions, 0 deletions

diff --git a/deps/node/benchmark/async_hooks/gc-tracking.js b/deps/node/benchmark/async_hooks/gc-tracking.js
new file mode 100644
index 00000000..d74b2bac
--- /dev/null
+++ b/deps/node/benchmark/async_hooks/gc-tracking.js
@@ -0,0 +1,44 @@
+'use strict';
+const common = require('../common.js');
+const { AsyncResource } = require('async_hooks');
+
+const bench = common.createBenchmark(main, {
+  n: [1e6],
+  method: [
+    'trackingEnabled',
+    'trackingDisabled',
+  ]
+}, {
+  flags: ['--expose-gc']
+});
+
+function endAfterGC(n) {
+  setImmediate(() => {
+    global.gc();
+    setImmediate(() => {
+      bench.end(n);
+    });
+  });
+}
+
+function main({ n, method }) {
+  var i;
+  switch (method) {
+    case 'trackingEnabled':
+      bench.start();
+      for (i = 0; i < n; i++) {
+        new AsyncResource('foobar');
+      }
+      endAfterGC(n);
+      break;
+    case 'trackingDisabled':
+      bench.start();
+      for (i = 0; i < n; i++) {
+        new AsyncResource('foobar', { requireManualDestroy: true });
+      }
+      endAfterGC(n);
+      break;
+    default:
+      throw new Error(`Unsupported method "${method}"`);
+  }
+}