On Linux the cpu-usage dotnet counter reports non-sense numbers in many cases.
/home/tamas/Code/Test/bin/Debug/net5.0/Test
Cpu usage via TotalProcessorTime=106.11% getrusage=107.53% EventListener= 0.00%
Cpu usage via TotalProcessorTime= 90.35% getrusage= 91.30% EventListener=176.00%
Cpu usage via TotalProcessorTime= 85.71% getrusage= 86.47% EventListener=176.00%
Cpu usage via TotalProcessorTime= 82.55% getrusage= 83.04% EventListener= 80.00%
Cpu usage via TotalProcessorTime= 81.11% getrusage= 81.40% EventListener= 36.00%