Add project files.

test/performance/Directory.Build.props

@@ -0,0 +1,7 @@
+<Project>
+  
+  <ItemGroup>
+    <PackageReference Include="BenchmarkDotNet"/>
+  </ItemGroup>
+
+</Project>

test/performance/Elsa.Workflows.PerformanceTests/Config.cs

@@ -0,0 +1,14 @@
+using BenchmarkDotNet.Configs;
+using BenchmarkDotNet.Diagnosers;
+using BenchmarkDotNet.Exporters;
+
+namespace Elsa.Workflows.PerformanceTests;
+
+public class Config : ManualConfig
+{
+    public Config()
+    {
+        AddExporter(MarkdownExporter.GitHub);
+        AddDiagnoser(MemoryDiagnoser.Default);
+    }
+}

test/performance/Elsa.Workflows.PerformanceTests/ConsoleActivitiesBenchmark.cs

@@ -0,0 +1,32 @@
+using BenchmarkDotNet.Attributes;
+using Elsa.Extensions;
+using Elsa.Workflows.Activities;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace Elsa.Workflows.PerformanceTests;
+
+[Config(typeof(Config))]
+public class ConsoleActivitiesBenchmark
+{
+    private WriteLine _writeLineWorkflow;
+    private IWorkflowRunner _workflowRunner;
+    private ServiceProvider _serviceProvider;
+
+    [GlobalSetup]
+    public void GlobalSetup()
+    {
+        var services = new ServiceCollection();
+        services.AddElsa();
+
+        _serviceProvider = services.BuildServiceProvider();
+        _workflowRunner = _serviceProvider.GetRequiredService<IWorkflowRunner>();
+        
+        _writeLineWorkflow = new WriteLine("Hello, World!");
+    }
+    
+    [Benchmark]
+    public async Task WriteLine() => await _workflowRunner.RunAsync(_writeLineWorkflow);
+
+    [GlobalCleanup]
+    public void GlobalCleanup() => _serviceProvider.Dispose();
+}

test/performance/Elsa.Workflows.PerformanceTests/Elsa.Workflows.PerformanceTests.csproj

@@ -0,0 +1,16 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net9.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+
+        <IsPackable>false</IsPackable>
+        <OutputType>Exe</OutputType>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\..\..\src\modules\Elsa\Elsa.csproj" />
+    </ItemGroup>
+
+</Project>

test/performance/Elsa.Workflows.PerformanceTests/Program.cs

@@ -0,0 +1,4 @@
+using BenchmarkDotNet.Running;
+
+BenchmarkSwitcher switcher = new(typeof(Program).Assembly);
+switcher.Run(args);