Where to see connection Performance Counters while running a benchmark test? (4219794)

First add Performance Counters to a connection:
1. Select Edit Connections option from top ribbon bar
2. Double-click on the connection name
3. Select Performance Counters tab and click the "Add a new counter" button to add counters and hit Close and OK

Run Job and when test start view Performance Counters data:
1. From Results tab, select Realtime Statisitics tab from bottom
2. Click 'Click here to Add Datapoints' link
3. Add desired Performance Counters

Graph will then show Performance Counters data while test is running.