docs: function(isSecondaryImport) {
        this.parsers_ = this.createParsers_();
        this.registerDefaultHandlers_();
        this.parseLines();
        this.importClockSyncRecords();
        var timeShift = this.computeTimeTransform();
        if (timeShift === undefined) {
          this.model_.importWarning({
            type: 'clock_sync',
            message: 'Cannot import kernel trace without a clock sync.'
          });
          return;
        }
        this.shiftNewlyAddedClockSyncRecords(timeShift);
        this.importCpuData(timeShift);
        this.buildMapFromLinuxPidsToThreads();
        this.buildPerThreadCpuSlicesFromCpuState();
        this.computeCpuTimestampsForSlicesAsNeeded();
      }