You can view another useful set of information relating to the real-time operation of pfSense by navigating to System | Monitoring. There are two sections on this page. The first is a graph, and the second is a summary of the information in the graph. There are several pieces of information available relating to the percentage of CPU usage attributable to different system processes. They are as follows:

• User-related processes
• Nice (low-priority) processes
• Non-nice system processes
• System interrupts

There is also a column representing the grand total of processes for each; each entry also includes the minimum, maximum, and average percentage of CPU usage of each of these categories.