MainETW.cs

string sessionName = "EtwSessionForCLR_" + Guid.NewGuid().ToString();
Console.WriteLine($"Starting {sessionName}...\r\n");
using (TraceEventSession userSession = new TraceEventSession(sessionName, TraceEventSessionOptions.Create))
{
    Task.Run(() =>
    {
        // register handlers for events on the session source
        // more on this later...

        // decide which provider to listen to with filters if needed
        
        // process the events in a blocking call
    });

    // wait for the user to dismiss the session
    Console.WriteLine("Presse ENTER to exit...");
    Console.ReadLine();
}