Thanks for raising your request.
With respect to your requirement , kindly find the answers below
1. The feature request ,for top services/ processes in alert mail, is currently under development and we will update you on this , once its live.
2. The option to apply the process / services is provided at the EC2 level in configuration rules(PFA). I hope our customer support has helped you with your concern on this and hope things are working fine post the configuration.
Kindly let us know if you have any other requirements and we will be happy to help you with it.
Ananthkumar K S