lib/utils/stopwatch.js
function start(id) {
  if (!timers[id]) {
    timers[id] = {
      start: 0,
      elapsed: 0
    };
  }
  timers[id].start = process.hrtime();
}
function start(id) {
  if (!timers[id]) {
    timers[id] = {
      start: 0,
      elapsed: 0
    };
  }
  timers[id].start = process.hrtime();
}
function start ( id ) { if ( ! timers [ id ] ) { timers [ id ] = { start : 0 , elapsed : 0 } ; } timers [ id ] . start = process . hrtime ( ) ; }
Start timer with 'id'
@param {String} id
Start timer with id