Get CUP usage for Particular website in IIS

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C#

Hi,
I configured many websites in IIS ("for Local network websites"). The Websites are configured as IP:port(192.168.0.1:81 url). I want to take the CPU usage for websites Separately using C# code. For example i want to calculate the CPU usage of website at url of 192.168.0.1:84, then how can i take that. I know the way of taking total CPU Usage. But needed for single website usage of CPU.

PerformanceCounter cpuCounter = new PerformanceCounter();
            puCounter = new PerformanceCounter();
            cpuCounter.CategoryName = "Processor";
            cpuCounter.CounterName = "% Processor Time";
            cpuCounter.InstanceName = "_Total";

            // will always start at 0
            dynamic firstValue = cpuCounter.NextValue();

If you know please help me on this. Thank you.