public float GetValue(PerfCounterCategory category, string counterName, string instanceName)
{
var perfCounter = new PerformanceCounter
{
CategoryName = category.GetDescription(),
InstanceName = instanceName,
CounterName = counterName
};
return(perfCounter.NextValue());
}
protected static string GetWorkerInstanceName(int id, PerfCounterCategory category)
{
var counterCategory = new PerformanceCounterCategory(category.GetDescription());
var pidString = $"[{id}]"; // e.g. [2345]
var iisProcessIdentifierString = "_lm_w3svc_";
var instances = counterCategory.GetInstanceNames();
var instance = counterCategory.GetInstanceNames().SingleOrDefault(i =>
i.StartsWith(iisProcessIdentifierString) &&
i.EndsWith(pidString));
return(instance);
}