Your CPU Sage
installation
npm install cpusage
usage
var cpuSage = require('cpusage');
cpuSage.on('stats', function(stats) {
console.log(stats);
}).on('busy', function(percentCPU) {
console.log("process is overloaded, using " + percentCPU + "% cpu\n");
}).on('normal', function(percentCPU) {
console.log("process is back to normal, using " + percentCPU + "% cpu\n");
});