Multi-Graph reports are similar to graph reports in that we can create custom graphs. Graph reports, however, restrict us to existing performance graphs, whereas the multi-graph reports allow us to define our own data points. In addition, we can graph multiple devices and components on a single graph.
As you will see, creating a multi-graph report is much more complicated than creating a graph report, but it also gives us more flexibility. If you know the name of the data point that's collecting data from your monitoring template, you can graph it in a multi-graph report, regardless of whether or not the monitoring template is configured to show a graph.
Since we're already familiar with HttpMonitor, let's continue to work with it by turning the data points into a multi-graph report.
Select Reports from the navigation menu.
Click the Add button at the bottom of the Report Classes sidebar and choose Add Multi-Graph Report.
Enter a descriptive name (for example, Website Monitoring...