How to check total cpu time of session?

Viewpoint
wxs
Fan

How to check total cpu time of session?

One user submitted a lot of small queries in one session, it use a lot of cpu and make system slow. In view point, I only can check the cpu time for query level, it's difficuty to detect this session, if any way to check the total cpu time of one session in view point? If have, then will be easy to detect this kind of session and handle it.