docs: function(eventName, cpuNumber, pid, ts, eventBase) {
        var event = irqHandlerEntryRE.exec(eventBase.details);
        if (!event)
          return false;
  
        var irq = parseInt(event[1]);
        var name = event[2];
  
        var thread = this.importer.getOrCreatePseudoThread(
            'irqs cpu ' + cpuNumber);
        thread.lastEntryTs = ts;
        thread.irqName = name;
  
        return true;
      }