LPT: You can use "perfmon" to graph the CPU usage of each individual program running, to find out what's been heating up your CPU while you're away or idle : r/pcmasterrace
Monitor CPU Usage Of Server Using Perfmon » lazytesterz
Animus Prime: Using Perfmon to Analyze High CPU Usage.
Perfmon.exe(Performance Monitor) High CPU Usage? [2022]
How to Set Up Monitoring to Alert on Windows High System Usage
c# - How do I identify the thread in application that takes 100% CPU usage in PerfMon? - Stack Overflow