This section explains how to add or remove a group from Edit Groups dialog box.
A group is a range of addresses. In case, you want to view trace of a part of a function only, for example, for loop, you can find the addresses of the loop and create a group for those addresses. Perform the following steps to add a group:
A row is added to the table with
new as function name.

new group cell.
The cell becomes editable.
MyGroup.
0x3e902af0-0x3e902b07. 
To delete a group, select it, right-click on the Edit Groups dialog box, and select the Delete Selected option from the context menu. You can also remove a group from the graph by clearing the corresponding checkbox in the Name column. Check it again to include it in the graph.