As far as I am aware, a separate tool is required to monitor all traffic on the Z-Wave mesh. I use the Z-Wave toolbox for that purpose and it did help me find the cause of some issues.
As for the processor, there is a great app from @thebearmay that can give you great stats on the hub:
Can you share a screenshot of your Z-Wave Details? There are quite a few people on the community with a good grasp of how Z-Wave works and that could help you diagnose the issue if that would be of value to you.
