worker.startCpuProfile(name)

• 名称:<string>

  \name: <string>

• 返回:<Promise>

  \Returns: <Promise>

使用给定的 name 启动 CPU 配置文件,然后返回一个以错误或具有 stop 方法的对象完成的 Promise。调用 stop 方法将停止收集配置文件,然后返回一个 Promise,该 Promise 会以错误或配置文件数据的形式完成。

\Starting a CPU profile with the given name, then return a Promise that fulfills with an error or an object which has a stop method. Calling the stop method will stop collecting the profile, then return a Promise that fulfills with an error or the profile data.

const { Worker } = require('node:worker_threads');
const worker = new Worker(`
 const { parentPort } = require('worker_threads');
 parentPort.on('message', () => {});
 `, { eval: true });
worker.on('online', async () => {
 const handle = await worker.startCpuProfile('demo');
 const profile = await handle.stop();
 console.log(profile);
 worker.terminate();
}); 拷贝