code: def ProduceAnalysisReport(self, plugin):
      
      analysis_report = plugin.CompileReport(self)
      if not analysis_report:
        return
  
      analysis_report.time_compiled = timelib.Timestamp.GetNow()
  
      plugin_name = getattr(analysis_report, 'plugin_name', plugin.plugin_name)
      if plugin_name:
        analysis_report.plugin_name = plugin_name
  
      if self._event_filter_expression:
        # TODO: rename filter string when refactoring the analysis reports.
        analysis_report.filter_string = self._event_filter_expression
  
      self._storage_writer.AddAnalysisReport(analysis_report)
  
      self.number_of_produced_analysis_reports += 1
      self.number_of_produced_event_tags = (
          self._storage_writer.number_of_event_tags)
  
      self.last_activity_timestamp = time.time()
docs: Produces an analysis report.
  
      Args:
        plugin (AnalysisPlugin): plugin.