benchmark: fix http elapsed time

aduh95 · danielleadams · commit 7a9d0fd5a92e · 2021-05-31T15:34:51.000-04:00
Since commit 4e9ad20, elapsed time is expected to be a BigInt instead of an array. Refs: #38369 PR-URL: #38743 Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com> Reviewed-By: Darshan Sen <raisinten@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Zijian Liu <lxxyxzj@gmail.com>
diff --git a/benchmark/_http-benchmarkers.js b/benchmark/_http-benchmarkers.js
@@ -222,7 +222,7 @@ exports.run = function(options, callback) {
     return;
   }
 
-  const benchmarker_start = process.hrtime();
+  const benchmarker_start = process.hrtime.bigint();
 
   const child = benchmarker.create(options);
 
@@ -233,7 +233,7 @@ exports.run = function(options, callback) {
   child.stdout.on('data', (chunk) => stdout += chunk);
 
   child.once('close', (code) => {
-    const elapsed = process.hrtime(benchmarker_start);
+    const benchmark_end = process.hrtime.bigint();
     if (code) {
       let error_message = `${options.benchmarker} failed with ${code}.`;
       if (stdout !== '') {
@@ -250,6 +250,7 @@ exports.run = function(options, callback) {
       return;
     }
 
+    const elapsed = benchmark_end - benchmarker_start;
     callback(null, code, options.benchmarker, result, elapsed);
   });
 
