[REQUEST] Show cgroup information

**Is your feature request related to a problem? Please describe.**
Not really a problem, more like missing feature. I cannot see the cgroup information anywhere. This information is useful on servers hosting containers.

**Describe the solution you'd like**
It would be great to have the cgroup name displayed where available and, better yet, be able to filter by cgroup.

**Describe alternatives you've considered**
none.

**Additional context**
It would be very useful on server hosting containers.