Add HTTP event source logging to gRPC benchmark server (#1773)

Author: JamesNK

perf/benchmarkapps/GrpcAspNetCoreServer/GrpcAspNetCoreServer.csproj

@@ -28,6 +28,7 @@
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
 
+    <Compile Include="..\..\..\test\Shared\HttpEventSourceListener.cs" Link="HttpEventSourceListener.cs" />
     <Compile Include="..\Shared\BenchmarkConfigurationHelpers.cs" Link="BenchmarkConfigurationHelpers.cs" />
     <Compile Include="..\Shared\BenchmarkServiceImpl.cs" Link="Services\BenchmarkServiceImpl.cs" />
     <Compile Include="..\Shared\ServiceProvidersMiddleware.cs" Link="ServiceProvidersMiddleware.cs" />

perf/benchmarkapps/GrpcAspNetCoreServer/Program.cs

@@ -17,6 +17,7 @@
 #endregion
 
 using System.Reflection;
+using System.Runtime;
 using Common;
 using Microsoft.AspNetCore.Server.Kestrel.Core;
 using Microsoft.AspNetCore.Server.Kestrel.Https;
@@ -32,12 +33,19 @@ public static void Main(string[] args)
 
         public static IHostBuilder CreateHostBuilder(string[] args)
         {
+            var runtimeVersion = typeof(object).GetTypeInfo().Assembly.GetCustomAttribute<AssemblyInformationalVersionAttribute>()?.InformationalVersion ?? "Unknown";
+            var isServerGC = GCSettings.IsServerGC;
+            var processorCount = Environment.ProcessorCount;
+
             Console.WriteLine();
             Console.WriteLine("ASP.NET Core gRPC Benchmarks");
             Console.WriteLine("----------------------------");
             Console.WriteLine($"Args: {string.Join(' ', args)}");
             Console.WriteLine($"Current directory: {Directory.GetCurrentDirectory()}");
             Console.WriteLine($"WebHostBuilder loading from: {typeof(WebHostBuilder).GetTypeInfo().Assembly.Location}");
+            Console.WriteLine($"NetCoreAppVersion: {runtimeVersion}");
+            Console.WriteLine($"{nameof(GCSettings.IsServerGC)}: {isServerGC}");
+            Console.WriteLine($"{nameof(Environment.ProcessorCount)}: {processorCount}");
 
             var config = new ConfigurationBuilder()
                 .AddJsonFile("hosting.json", optional: true)

perf/benchmarkapps/GrpcAspNetCoreServer/Startup.cs

@@ -20,6 +20,7 @@
 using System.Text;
 using Grpc.Shared;
 using Grpc.Testing;
+using Grpc.Tests.Shared;
 #if NET5_0_OR_GREATER
 using Microsoft.AspNetCore.Authentication.Certificate;
 #endif
@@ -74,6 +75,12 @@ public void Configure(IApplicationBuilder app, IHostApplicationLifetime applicat
             // Required to notify performance infrastructure that it can begin benchmarks
             applicationLifetime.ApplicationStarted.Register(() => Console.WriteLine("Application started."));
 
+            var loggerFactory = app.ApplicationServices.GetRequiredService<ILoggerFactory>();
+            if (loggerFactory.CreateLogger<Startup>().IsEnabled(LogLevel.Trace))
+            {
+                _ = new HttpEventSourceListener(loggerFactory);
+            }
+
             app.UseRouting();
 
 #if NET5_0_OR_GREATER

perf/benchmarkapps/GrpcClient/Program.cs

@@ -476,6 +476,10 @@ private static ChannelBase CreateChannel(string target)
 
                     if (_options.Protocol == "h3")
                     {
+                        // Stop gRPC channel from creating TCP socket.
+                        httpClientHandler.ConnectCallback = (context, cancellationToken) => throw new InvalidOperationException("Should never be called for H3.");
+
+                        // Force H3 on all requests.
                         httpMessageHandler = new Http3DelegatingHandler(httpMessageHandler);
                     }