Nodejs Cpu Usage (for linux)

Module read file /proc/stat and calculate Cpu Usage.

Declaration:

``
/*
* frequency - how often CpuLoad will be calculated (optional, default = 1000 (= 1 second))
* callback - function that will be called when a new value is calculated for CpuLoad
*/

function cpuUsage( [ frequency, ] callback );
`

Eg of use:

`
var libCpuUsage = require( './cpuusage.js' );

libCpuUsage( 1000, function( load ) {
process.stdout.write( "\r" + load + "% " );
} );
``