Node.js文档-os

os.cpus()

获取当前机器的CPU信息

const os = require('os')
console.log(os.cpus())

打印结果：

[ { model: 'Intel(R) Core(TM) i5-7360U CPU @ 2.30GHz',
    speed: 2300,
    times:
     { user: 1332960, nice: 0, sys: 928720, idle: 5905010, irq: 0 } },
  { model: 'Intel(R) Core(TM) i5-7360U CPU @ 2.30GHz',
    speed: 2300,
    times:
     { user: 684730, nice: 0, sys: 490170, idle: 6991300, irq: 0 } },
  { model: 'Intel(R) Core(TM) i5-7360U CPU @ 2.30GHz',
    speed: 2300,
    times:
     { user: 1315900, nice: 0, sys: 741750, idle: 6108540, irq: 0 } },
  { model: 'Intel(R) Core(TM) i5-7360U CPU @ 2.30GHz',
    speed: 2300,
    times:
     { user: 596770, nice: 0, sys: 406270, idle: 7163160, irq: 0 } } ]

os.totalmem()

获取当前机器的内存总量，单位为字节

const os = require('os')
console.log(os.totalmem())

打印结果：

17179869184

单位为字节，除以1024为KB，再除以1024为MB，再除以1024为GB（上面的结果为16GB）