node.js - Get/View Memory & CPU usage via NodeJS

Question

I see there are several node packages that allow you to look up a specific process's usage, such as https://www.npmjs.com/package/usage

I am trying to get the overall sever usage/stats (CPU and Memory), not just one specific process or another. Maybe even disk space usage.

I am currently unable to find anything like this, is this possible?

Answer 1

The native module os can give you some memory and cpu usage statistics.

var os = require('os');

console.log(os.cpus());
console.log(os.totalmem());
console.log(os.freemem())

The cpus() function gives you an average, but you can calculate the current usage by using a formula and an interval, as mentioned in this answer.

There is also a package that does this for you, called os-utils.

Taken from the example on github:

var os = require('os-utils');

os.cpuUsage(function(v){
    console.log( 'CPU Usage (%): ' + v );
});

For information about the disk you can use diskspace