[记录] 360导致代码执行时间过长

const CP = require("child_process");

new Promise((resolve, reject) => {
  const exec = CP.exec;
  const wreg = /\d+ms\sTTL\=/;
  const lreg = /icmp\_seq=\d+\sttl=\d+/;
  const ips = [];
  const promises = [];
  console.log(process.platform);
  console.time(1)
  for (let i = 0; i <= 255; i++) {
    promises[i] = new Promise(resolve => {
      console.timeLog(1, `${i}进入Promise`)
      if (process.platform === "win32") {
        exec(`ping 192.168.1.${i} -4 -n 1 -w 3`, (err, stdout, stderr) => {
          console.timeLog(1, `${i}完成`)
          const rs = stdout.split("\n").slice(2, 5);
          const flag = rs.some(str => wreg.test(str));
          if (!flag) {
            ips.push(`192.168.1.${i}`);
          }
          resolve();
        });
      } else {
        exec(`ping 192.168.1.${i} -4 -c 1 -w 3`, (err, stdout, stderr) => {
          console.timeLog(1, `${i}完成`)
          const rs = stdout.split("\n").slice(1, 2);
          const flag = rs.some(str => lreg.test(str));
          if (!flag) {
            ips.push(`192.168.1.${i}`);
          }
          resolve();
        });
      }
    });
  }

  Promise.all(promises).then(res => {
    if (res.length == 256) {
      console.timeEnd(1);
      console.log(ips);
    }
  })
});