a wrapper for typeperf zh-cn windows

gistfile1.txt

var child_process = require('child_process');
var iconvLite = require('iconv-lite');
var csv = require('csv');
var util = require('util');
var events = require('events');
var _ = require('underscore');

var tracecpu = child_process.spawn('typeperf', ["\\Memory\\Available bytes","\\processor(_total)\\% processor time"]);

var lastRecord,
    inited,
    csvheader= ['timestamp','memory','cpu'];

var typeperf = new events.EventEmitter();

typeperf.getRecord  = function (){ return lastRecord;  };

var stdlogs = csv()
  .from.stream(tracecpu.stdout)
    .on('record',function( data ) {
      var date = new Date(data[0]);
      if( isNaN(date.getTime())){
        return
      }
      if(!inited){
        typeperf.emit('open');
        inited = true;
      }
      lastRecord = _.object(csvheader,data);
      typeperf.emit( 'record', lastRecord );

      console.log(util.format.apply(util,['time %s, memory %s, process %s'].concat(data) ));
    });

tracecpu.stderr.on('data',function(data){
  console.log( iconvLite.decode(data,'gb2312') );
});

tracecpu.on('error',function( code ){
  console.log( 'error', code );
});
tracecpu.on('exit',function( code ){
  console.log( 'exit', code );
});


module.exports = typeperf;