Add process-spawn task

benchmark/tasks.js

@@ -1,11 +1,15 @@
 // This is an example of tasks, used mostly for debugging
+import { execFile } from 'child_process'
 import { randomInt, createHash } from 'crypto'
 import { promises as fs } from 'fs'
 // eslint-disable-next-line no-shadow
 import { setTimeout } from 'timers/promises'
+import { promisify } from 'util'
 
 import { tmpName } from 'tmp-promise'
 
+const pExecFile = promisify(execFile)
+
 const CURRENT_URL = new URL(import.meta.url)
 
 // The fastest possible task
@@ -74,6 +78,11 @@ export const write = {
   },
 }
 
+// Process-spawning-bound task
+export const spawn = async function () {
+  await pExecFile('node', ['--version'])
+}
+
 // Task with a high complexity mimicking real tasks
 export const complex = async () => {
   await import('spyd')