docs: function(eventName, cpuNumber, pid, ts, eventBase) {
        var event = /type=(\d+) state=(\d) cpu_id=(\d+)/.exec(eventBase.details);
        if (!event)
          return false;
  
        var targetCpuNumber = parseInt(event[3]);
        var cpuState = parseInt(event[2]);
        this.cpuStateSlice(ts, targetCpuNumber, event[1], cpuState);
        return true;
      }