...
Let assume you want to focus on the TOP 5 DomainsServices:
Goto Dashboards → Recent Activity Analytics → Service Activity .
Set Set Time Filter to to 5 minutes (this is usually generates a 1 sec interval).
You will see at the bottom a table labeled with Domain Activity your time series for each of your TOP 5 domain (Mark in Green) on the same graph on the Service Transaction (Top 5) - see marked in green
Set Domain Filter to each of the domain .
You will see your time series on the System Activity - Marked in Red