docs: function(eventName, cpuNumber, pid, ts, eventBase) {
        var event = /pipe=(\d+), fb=(\d+), state=(.*)/.exec(eventBase.details);
        if (!event)
          return false;
  
        var pipe = parseInt(event[1]);
        var fb = parseInt(event[2]);
        var state = event[3];
  
        this.exynosPageFlipStateCloseSlice(ts, pipe, fb,
            {
              pipe: pipe,
              fb: fb
            });
        if (state !== 'flipped')
          this.exynosPageFlipStateOpenSlice(ts, pipe, fb, state);
        return true;
      }