1. module windows-cpu
   1. function windows-cpu.cpuInfo (cb)
   2. function windows-cpu.findLoad (arg, cb)
   3. function windows-cpu.nodeLoad (cb)
   4. function windows-cpu.processLoad (cb)
   5. function windows-cpu.totalLoad (cb)
   6. function windows-cpu.totalMemoryUsage (cb)

module windows-cpu

function windows-cpu.cpuInfo (cb)

• description and source-code

  function cpuInfo(cb) {
      if(!isFunction(cb)) cb = emptyFn;
      if(!checkPlatform(cb)) return;
  
      execFile(wmic, ['cpu', 'get', 'Name'], function (error, res, stderr) {
          if(error !== null || stderr) return cb(error || stderr);
  
          var cpus = res.match(/[^\r\n]+/g).map(function(v) {
              return v.trim();
          });
  
          cpus.shift();
          cb(null, cpus);
      });
  }

• example usage

  ...
  cpuInfo(cb)
  -----------
  Gets the name of each processor in the machine.
  
  	var cpu = require('windows-cpu');
  	
  	// Get listing of processors
  	cpu.cpuInfo(function(error, results) {
  		if(error) {
  		return console.log(error);
  		}
  		
  		// results =>
  		// [
  		//    'Intel(R) Xeon(R) CPU E5-2609 0 @ 2.40GHz',
  ...

function windows-cpu.findLoad (arg, cb)

• description and source-code

  function findLoad(arg, cb) {
      if(!isFunction(cb)) cb = emptyFn;
      if(!checkPlatform(cb)) return;
  
      var cmd = "wmic path Win32_PerfFormattedData_PerfProc_Process get Name,PercentProcessorTime,IDProcess | findstr /i /c:" + arg
  ;
      exec(cmd, function (error, res, stderr) {
          if(error !== null || stderr) return cb(error || stderr);
          if(!res) return cb('Cannot find results for provided arg: ' + arg, { load: 0, results: [] });
  
          var found = res.replace(/[^\S\n]+/g, ':').replace(/\:\s/g, '|').split('|').filter(function(v) {
              return !!v;
          }).map(function(v) {
              var data = v.split(':');
              return {
                  pid: +data[0],
                  process: data[1],
                  load: +data[2]
              };
          });
  
          var totalLoad = 0;
  
          found.forEach(function(obj) {
              totalLoad += obj.load;
          });
  
          var output = {
              load: totalLoad,
              found: found
          };
  
          cb(null, output);
      });
  }

• example usage

  ...
  findLoad(arg, cb)
  ---------------
  Gets the total load in percent for process(es) by a specific search parameter.
  
  	var cpu = require('windows-cpu');
  
   // Find the total load for "chrome" processes
   cpu.findLoad('chrome', function(error, results) {
        if(error) {
            return console.log(error);
        }
  
        // results =>
        // {
        //    load: 8,
  ...

function windows-cpu.nodeLoad (cb)

• description and source-code

  function nodeLoad(cb) {
      findLoad('node', cb);
  }

• example usage

  ...
  nodeLoad(cb)
  ------------
  Gets the total load in percent for all Node.js processes running on the current machine.
  
  	var cpu = require('windows-cpu');
  	
  	// Get total load for all node processes
  	cpu.nodeLoad(function(error, results) {
  		if(error) {
  		return console.log(error);
  		}
  		
  		// results =>
  		// {
  		//    load: 20,
  ...

function windows-cpu.processLoad (cb)

• description and source-code

  function processLoad(cb) {
      findLoad(process.pid, cb);
  }

• example usage

  ...
  processLoad(cb)
  ---------------
  Gets the total load in percent for all processes running on the current machine per CPU.
  
  	var cpu = require('windows-cpu');
  	
  	// Get load for current running node process
  	cpu.processLoad(function(error, results) {
  		if(error) {
  		return console.log(error);
  		}
  		
  		// results =>
  		// {
  		//    load: 10,
  ...

function windows-cpu.totalLoad (cb)

• description and source-code

  function totalLoad(cb) {
      if (!isFunction(cb)) cb = emptyFn;
      if (!checkPlatform(cb)) return;
  
      execFile(wmic, ['cpu', 'get', 'loadpercentage'], function (error, res, stderr) {
          if(error !== null || stderr) return cb(error || stderr);
  
          var cpus = (res.match(/\d+/g) || []).map(function(x) {
              return +(x.trim());
          });
  
          cb(null, cpus);
      });
  }

• example usage

  ...
  totalLoad(cb)
  -------------
  Gets the total load in percent for all processes running on the current machine per CPU.
  
  	var cpu = require('windows-cpu');
  	
  	// Get total load on server for each CPU
  	cpu.totalLoad(function(error, results) {
  		if(error) {
  		return console.log(error);
  		}
  		
  		// results (single cpu in percent) =>
  		// [8]
  ...

function windows-cpu.totalMemoryUsage (cb)

• description and source-code

  function totalMemoryUsage(cb) {
      if (!isFunction(cb)) cb = emptyFn;
      if (!checkPlatform(cb)) return;
  
      var cmd = "tasklist /FO csv /nh";
      exec(cmd, function (error, res, stderr) {
          if(error !== null || stderr) return cb(error || stderr);
          var results = { usageInKb: 0 , usageInMb: 0 , usageInGb: 0 };
  
          results.usageInKb = res.match(/[^\r\n]+/g).map(function(v) {
              var amt = +v.split('","')[4].replace(/[^\d]/g, '');
              return (!isNaN(amt) && typeof amt === 'number')? amt : 0;
          }).reduce(function(prev, current) {
              return prev + current;
          });
  
          results.usageInMb = results.usageInKb / 1024;
          results.usageInGb = results.usageInMb / 1024;
  
          cb(null, results);
      });
  }

• example usage

  ...
  totalMemoryUsage(cb)
  --------------------
  Gets the total memory usage value in KB , MB and GB .
  
   var cpu = require('windows-cpu');
  
   // Get the memory usage
   cpu.totalMemoryUsage(function(error, results) {
        if(error) {
            return console.log(error);
        }
  
        // results =>
        // {
        //    usageInKb: 3236244,
  ...