For resource tracking purposes it will help if the system is using both SuExec and SuPHP so that CGI and PHP processes run as the appropriate user account and not using the shared system user like that of user “nobody” for Apache.
The following features in WHM may be used to obtain information about CPU, RAM, Apache and MySQL resource utilization; the first tool shown below, Daily Process Log in Server Status, includes daily averages:
WHM: Main >> Server Status >> Daily Process Log
WHM: Main >> Server Status >> Apache Status
WHM: Main >> SQL Services >> Show MySQL Processes
WHM: Main >> System Health >> Show Current CPU Usage
WHM: Main >> System Health >> Show Current Running Processes
Original Source: https://forums.cpanel.net/threads/how-to-determine-which-websites-are-the-busiest.142413/