This app will provide a lot of stats on the hub, but I don’t think CPU load is one of them.  The issue is likely with the memory which the app does track.
  
  
    NOTE: Development on this version ended 11 Jan 2023 - see [RELEASE] Hub Information Driver v3  for the new version. 
This device driver provides a convenient way to access many of the hub and hub location attributes.  Originally written to provide information for Node-Red integration, the driver has been expanded to include temperature, free memory, cpuLoadtotal JVM Memory, Free JVM Memory and JVM Free % from the Hidden Features Wiki as well as over 40 more attributes. 
Available through HPM, or …