.Net Monitoring throughput Suggestions needed

void getPerformanceGraphCSV()
{
    iControl.SystemStatisticsPerformanceGraph[] graph_list = 
      m_interfaces.SystemStatistics.get_performance_graph_list();
    for(int i=0; i < graph_list.Length; i++)
    {
        iControl.SystemStatisticsPerformanceStatisticQuery[] queries = 
          new iControl.SystemStatisticsPerformanceStatisticQuery[1];
        queries[0] = new iControl.SystemStatisticsPerformanceStatisticQuery();
        queries[0].object_name = graph_list[ i ].graph_name;
        queries[0].start_time = 0;
        queries[0].end_time = 0;
        queries[0].interval = 0;
        queries[0].maximum_rows = 0;
        iControl.SystemStatisticsPerformanceGraphDataCSV[] graph_dataA =
            m_interfaces.SystemStatistics.get_performance_graph_csv_statistics(queries);
        for (int j = 0; j < graph_dataA.Length; j++)
        {
            Console.WriteLine("--------------------------------------------------");
            Console.WriteLine("Graph      : " + graph_dataA[j].object_name);
            Console.WriteLine("Start Time : " + graph_dataA[j].start_time);
            Console.WriteLine("End Time   : " + graph_dataA[j].end_time);
            Console.WriteLine("Interval   : " + graph_dataA[j].interval);
            Console.WriteLine("--------------------------------------------------");
            String csv_data = System.Text.Encoding.ASCII.GetString(graph_dataA[j].statistic_data);
            Console.WriteLine(csv_data);
        }
    }
}