[Benchmarks] Profile RevitApiBenchmark benchmarks with dotTrace

Directory.Packages.props

@@ -13,13 +13,13 @@
         <PackageVersion Include="Nice3point.Revit.Api.RevitAPI" Version="$(RevitVersion).*" Condition="$(RevitVersion) != ''"/>
         <PackageVersion Include="Nice3point.Revit.Api.RevitAPIUI" Version="$(RevitVersion).*" Condition="$(RevitVersion) != ''"/>
 
-        <PackageVersion Include="Nice3point.Revit.Injector" Version="2021.1.10" Condition="$(RevitVersion) == '2021'"/>
-        <PackageVersion Include="Nice3point.Revit.Injector" Version="2022.1.10" Condition="$(RevitVersion) == '2022'"/>
-        <PackageVersion Include="Nice3point.Revit.Injector" Version="2023.1.10" Condition="$(RevitVersion) == '2023'"/>
-        <PackageVersion Include="Nice3point.Revit.Injector" Version="2024.1.10" Condition="$(RevitVersion) == '2024'"/>
-        <PackageVersion Include="Nice3point.Revit.Injector" Version="2025.1.10" Condition="$(RevitVersion) == '2025'"/>
-        <PackageVersion Include="Nice3point.Revit.Injector" Version="2026.1.10" Condition="$(RevitVersion) == '2026'"/>
-        <PackageVersion Include="Nice3point.Revit.Injector" Version="2027.0.10" Condition="$(RevitVersion) == '2027'"/>
+        <PackageVersion Include="Nice3point.Revit.Injector" Version="2021.1.11" Condition="$(RevitVersion) == '2021'"/>
+        <PackageVersion Include="Nice3point.Revit.Injector" Version="2022.1.11" Condition="$(RevitVersion) == '2022'"/>
+        <PackageVersion Include="Nice3point.Revit.Injector" Version="2023.1.11" Condition="$(RevitVersion) == '2023'"/>
+        <PackageVersion Include="Nice3point.Revit.Injector" Version="2024.1.11" Condition="$(RevitVersion) == '2024'"/>
+        <PackageVersion Include="Nice3point.Revit.Injector" Version="2025.1.11" Condition="$(RevitVersion) == '2025'"/>
+        <PackageVersion Include="Nice3point.Revit.Injector" Version="2026.1.11" Condition="$(RevitVersion) == '2026'"/>
+        <PackageVersion Include="Nice3point.Revit.Injector" Version="2027.0.11" Condition="$(RevitVersion) == '2027'"/>
     </ItemGroup>
 
     <!-- Core dependencies -->

source/Nice3point.BenchmarkDotNet.Revit/Hosting/BenchmarkHostProcess.cs

@@ -0,0 +1,19 @@
+using System.Reflection;
+
+namespace Nice3point.BenchmarkDotNet.Revit.Hosting;
+
+/// <summary>
+///     Provides the facts about the BenchmarkDotNet host process.
+/// </summary>
+internal static class BenchmarkHostProcess
+{
+    private const string GeneratedProgramTypeName = "BenchmarkDotNet.Autogenerated.UniqueProgramName";
+
+    /// <summary>
+    ///     Gets a value indicating whether the current process is the BenchmarkDotNet host process.
+    /// </summary>
+    /// <value>
+    ///     <see langword="false" /> in a benchmark process that runs a generated program, and inside Revit.
+    /// </value>
+    public static bool IsCurrent { get; } = Assembly.GetEntryAssembly() is { } entryAssembly && entryAssembly.GetType(GeneratedProgramTypeName) is null;
+}

source/Nice3point.BenchmarkDotNet.Revit/Hosting/ProfilerAttachThread.cs

@@ -0,0 +1,28 @@
+namespace Nice3point.BenchmarkDotNet.Revit.Hosting;
+
+/// <summary>
+///     Starts the profiler attach thread of the .NET Framework runtime in every benchmark process.
+/// </summary>
+/// <remarks>
+///     A .NET Framework benchmark process with Revit answers a profiler attach request only on the attach thread.
+///     The runtime reads the setting when it starts.
+///     A benchmark process inherits the setting from the BenchmarkDotNet host process.
+/// </remarks>
+internal static class ProfilerAttachThread
+{
+    /// <summary>
+    ///     Enables the profiler attach thread for the benchmark processes the host process starts.
+    /// </summary>
+    /// <remarks>
+    ///     The call has no effect outside the BenchmarkDotNet host process and on .NET.
+    /// </remarks>
+    public static void Enable()
+    {
+#if NETFRAMEWORK
+        if (BenchmarkHostProcess.IsCurrent)
+        {
+            Environment.SetEnvironmentVariable("COMPlus_AttachThreadAlwaysOn", "1");
+        }
+#endif
+    }
+}

source/Nice3point.BenchmarkDotNet.Revit/Hosting/RevitUiMetadataResolver.cs

@@ -19,7 +19,6 @@ namespace Nice3point.BenchmarkDotNet.Revit.Hosting;
 internal static class RevitUiMetadataResolver
 {
     private const string AssemblyName = "RevitAPIUI";
-    private const string GeneratedProgramTypeName = "BenchmarkDotNet.Autogenerated.UniqueProgramName";
 
     // IMAGE_COR20_HEADER offsets.
     private const int CorFlagsOffset = 16;
@@ -57,7 +56,7 @@ internal static class RevitUiMetadataResolver
     /// </remarks>
     public static void Register()
     {
-        if (Assembly.GetEntryAssembly() is not { } entryAssembly || entryAssembly.GetType(GeneratedProgramTypeName) is not null)
+        if (!BenchmarkHostProcess.IsCurrent)
         {
             return;
         }

source/Nice3point.BenchmarkDotNet.Revit/RevitApplicationBenchmark.cs

@@ -32,6 +32,7 @@ public abstract class RevitApplicationBenchmark
     ///     The runtime calls the method once per process, when the module loads.
     ///     The method sets the STA apartment state of the current thread and initializes the injector.
     ///     In the BenchmarkDotNet host process, the method registers the resolver of the RevitAPIUI metadata.
+    ///     On .NET Framework, the host process enables the profiler attach thread of the benchmark processes.
     ///     Inside Revit, the method has no effect.
     /// </remarks>
 #pragma warning disable CA2255
@@ -49,6 +50,7 @@ public static void Initialize()
         Thread.CurrentThread.SetApartmentState(ApartmentState.STA);
 
         RevitUiMetadataResolver.Register();
+        ProfilerAttachThread.Enable();
         InjectorInitializer.InitializeModule();
     }