At the bottom part of the GUI is the Dataflow Properties table which shows various details about the dataflow processes (or functions) and the dataflow channels.
Click each process/function in the Dataflow Graph view, and see the corresponding process being highlighted in the Dataflow Properties table.
Right-click the selected process to see what else you can learn about this process and also understand what other viewers you can access.
Switch to the Channel table in the Dataflow Properties table. Click each green/gold arrows in the graph and see the corresponding channel being highlighted in the Channel table.
It is important to understand that the dataflow optimization is a dynamic optimization, unlike pipelining which is a static optimization. Because of this, while the compiler informs you of implementing the dataflow optimization, the effects of the optimization cannot be seen until after running RTL co-simulation. The process or channel details are marked as N/A as shown in the figure below until RTL co-simulation has generated performance data.
TIP: You can open the Dataflow viewer before running RTL co-simulation, but the viewer will not be able to show the important simulation performance details such as read/write block times, co-sim depth, and stall times.