benchmark: implement duration in http test double

PR-URL: https://github.com/nodejs/node/pull/18380
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

1 files changed, 6 insertions, 3 deletions

diff --git a/benchmark/_http-benchmarkers.js b/benchmark/_http-benchmarkers.js
index 54b7481afa..55ebcc96ba 100644
--- a/benchmark/_http-benchmarkers.js
+++ b/benchmark/_http-benchmarkers.js
@@ -89,11 +89,14 @@ class TestDoubleBenchmarker {
   }
 
   create(options) {
+    const env = Object.assign({
+      duration: options.duration,
+      test_url: `http://127.0.0.1:${options.port}${options.path}`,
+    }, process.env);
+
     const child = child_process.fork(this.executable, {
       silent: true,
-      env: Object.assign({}, process.env, {
-        test_url: `http://127.0.0.1:${options.port}${options.path}`
-      })
+      env
     });
     return child;
   }