docs: function CpufreqParser(importer) {
      Parser.call(this, importer);
  
      importer.registerEventHandler('cpufreq_interactive_up',
          CpufreqParser.prototype.cpufreqUpDownEvent.bind(this));
      importer.registerEventHandler('cpufreq_interactive_down',
          CpufreqParser.prototype.cpufreqUpDownEvent.bind(this));
      importer.registerEventHandler('cpufreq_interactive_already',
          CpufreqParser.prototype.cpufreqTargetEvent.bind(this));
      importer.registerEventHandler('cpufreq_interactive_notyet',
          CpufreqParser.prototype.cpufreqTargetEvent.bind(this));
      importer.registerEventHandler('cpufreq_interactive_setspeed',
          CpufreqParser.prototype.cpufreqTargetEvent.bind(this));
      importer.registerEventHandler('cpufreq_interactive_target',
          CpufreqParser.prototype.cpufreqTargetEvent.bind(this));
      importer.registerEventHandler('cpufreq_interactive_boost',
          CpufreqParser.prototype.cpufreqBoostUnboostEvent.bind(this));
      importer.registerEventHandler('cpufreq_interactive_unboost',
          CpufreqParser.prototype.cpufreqBoostUnboostEvent.bind(this));
    }