Switch tests to use aspnet.xunit.performance

NuGet.config

@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <configuration>
   <packageSources>
-    <add key="AspNetLiteDev" value="https://www.myget.org/F/aspnetlitedev/api/v2" />
+    <add key="AspNetLiteDev" value="https://www.myget.org/F/aspnetcidev/api/v2" />
     <add key="NuGet" value="https://api.nuget.org/v3/index.json" />
+    <add key="StressTools" value="https://www.myget.org/F/aspnetstress/api/v3/index.json" />
   </packageSources>
 </configuration>

Stress.sln

@@ -15,8 +15,6 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "samples", "samples", "{BB74
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{C1B84D1C-2AF9-419D-BD57-16B87F377256}"
 EndProject
-Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "Microsoft.AspNet.StressFramework", "src\Microsoft.AspNet.StressFramework\Microsoft.AspNet.StressFramework.xproj", "{1C90BF69-88B0-4079-9F90-48FE5ABE3B25}"
-EndProject
 Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "Microsoft.AspNet.Stress.Tests", "test\Microsoft.AspNet.Stress.Tests\Microsoft.AspNet.Stress.Tests.xproj", "{489E5EDA-D686-4B57-9C5D-70B7879EF7E8}"
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "websites", "websites", "{6BF7AF55-1A79-4C18-9DA7-68F52D319A3A}"
@@ -29,10 +27,6 @@ Global
 		Release|Any CPU = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{1C90BF69-88B0-4079-9F90-48FE5ABE3B25}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{1C90BF69-88B0-4079-9F90-48FE5ABE3B25}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{1C90BF69-88B0-4079-9F90-48FE5ABE3B25}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{1C90BF69-88B0-4079-9F90-48FE5ABE3B25}.Release|Any CPU.Build.0 = Release|Any CPU
 		{489E5EDA-D686-4B57-9C5D-70B7879EF7E8}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{489E5EDA-D686-4B57-9C5D-70B7879EF7E8}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{489E5EDA-D686-4B57-9C5D-70B7879EF7E8}.Release|Any CPU.ActiveCfg = Release|Any CPU
@@ -46,7 +40,6 @@ Global
 		HideSolutionNode = FALSE
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
-		{1C90BF69-88B0-4079-9F90-48FE5ABE3B25} = {C1B84D1C-2AF9-419D-BD57-16B87F377256}
 		{489E5EDA-D686-4B57-9C5D-70B7879EF7E8} = {7B63597D-863D-46C4-9F9E-D60E74435E81}
 		{6BF7AF55-1A79-4C18-9DA7-68F52D319A3A} = {7B63597D-863D-46C4-9F9E-D60E74435E81}
 		{DF9C97D9-66EE-4171-9748-AF67057DC7AC} = {6BF7AF55-1A79-4C18-9DA7-68F52D319A3A}

src/Microsoft.AspNet.StressFramework/BasicDriver.cs

@@ -1,37 +0,0 @@
-using System;
-using System.Threading.Tasks;
-
-namespace Microsoft.AspNet.StressFramework
-{
-    public class BasicDriver : IStressTestDriver
-    {
-        private readonly IStressTestHost _host;
-        private readonly Func<Task> _execute;
-
-        public BasicDriver(Func<Task> execute)
-        {
-            _execute = execute;
-        }
-
-        public void Setup(StressTestDriverContext context)
-        {
-            context.Setup.Host.Setup();
-        }
-
-        public async Task RunAsync(StressTestDriverContext context)
-        {
-            StressTestTrace.WriteRawLine("Begin warmup");
-            for (var i = 0; i < context.Setup.WarmupIterations; i++)
-            {
-                await _execute();
-            }
-
-            StressTestTrace.WriteRawLine("End warmup");
-
-            for (var i = 0; i < context.Setup.Iterations; i++)
-            {
-                await _execute();
-            }
-        }
-    }
-}

src/Microsoft.AspNet.StressFramework/BasicHost.cs

@@ -1,36 +0,0 @@
-using System;
-using System.Threading.Tasks;
-
-namespace Microsoft.AspNet.StressFramework
-{
-    public class BasicHost : IStressTestHost
-    {
-        private Func<Task> _execute;
-
-        public BasicHost(Func<Task> execute)
-        {
-            _execute = execute;
-        }
-
-        public void Run(StressTestHostContext context)
-        {
-            Console.WriteLine("Executing host.");
-
-            for (var i = 0; i < context.WarmupIterations; i++)
-            {
-                _execute();
-            }
-
-            for (var i = 0; i < context.Iterations; i++)
-            {
-                _execute();
-            }
-
-            Console.WriteLine("Done executing host.");
-        }
-
-        public void Setup()
-        {
-        }
-    }
-}

src/Microsoft.AspNet.StressFramework/BenchmarkingDriver.cs

@@ -1,31 +0,0 @@
-using System;
-using System.Threading.Tasks;
-
-namespace Microsoft.AspNet.StressFramework
-{
-    public class BenchmarkingDriver : IStressTestDriver, IDisposable
-    {
-        private StressTestHostProcess _process;
-
-        public void Setup(StressTestDriverContext context)
-        {
-            StressTestTrace.WriteLine("Initializing Host");
-            _process = StressTestHostProcess.Launch(context.TestMethod, StressTestTrace.WriteRawLine);
-        }
-
-        public Task RunAsync(StressTestDriverContext context)
-        {
-            StressTestTrace.WriteLine("Host Start");
-            _process.BeginIterations();
-            _process.Process.WaitForExit();
-            StressTestTrace.WriteLine("Host End");
-
-            return Task.FromResult(0);
-        }
-
-        public void Dispose()
-        {
-            _process?.Dispose();
-        }
-    }
-}

src/Microsoft.AspNet.StressFramework/Collectors/CpuTime.cs

@@ -1,29 +0,0 @@
-using System;
-using System.Diagnostics;
-
-namespace Microsoft.AspNet.StressFramework
-{
-    public struct CpuTime
-    {
-        public TimeSpan KernelTime { get; }
-        public TimeSpan UserTime { get; }
-
-        public CpuTime(TimeSpan kernelTime, TimeSpan userTime)
-        {
-            KernelTime = kernelTime;
-            UserTime = userTime;
-        }
-
-        public static CpuTime Capture(Process process)
-        {
-            return new CpuTime(
-                process.PrivilegedProcessorTime,
-                process.UserProcessorTime);
-        }
-
-        public override string ToString()
-        {
-            return $"K: {KernelTime}; U: {UserTime}";
-        }
-    }
-}

src/Microsoft.AspNet.StressFramework/Collectors/ElapsedTime.cs

@@ -1,17 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-
-namespace Microsoft.AspNet.StressFramework.Collectors
-{
-    public struct ElapsedTime
-    {
-        public TimeSpan Elapsed { get; }
-        
-        public ElapsedTime(TimeSpan elapsed)
-        {
-            Elapsed = elapsed;
-        }
-    }
-}

src/Microsoft.AspNet.StressFramework/Collectors/ICollector.cs

@@ -1,20 +0,0 @@
-namespace Microsoft.AspNet.StressFramework.Collectors
-{
-    public interface ICollector
-    {
-        /// <summary>
-        /// Called by the stress framework to initialize the collector, before any iterations have been run
-        /// </summary>
-        void Initialize();
-
-        /// <summary>
-        /// Called by the stress framework before a non-warmup iteration is executed.
-        /// </summary>
-        void BeginIteration(StressTestIterationContext context);
-
-        /// <summary>
-        /// Called by the stress framework after a non-warmup iteration is executed.
-        /// </summary>
-        void EndIteration(StressTestIterationContext context);
-    }
-}

src/Microsoft.AspNet.StressFramework/Collectors/MemoryUsage.cs

@@ -1,47 +0,0 @@
-using System;
-using System.Diagnostics;
-
-namespace Microsoft.AspNet.StressFramework
-{
-    public struct MemoryUsage
-    {
-        public long HeapMemoryBytes { get; }
-        public long WorkingSet { get; }
-        public long PrivateBytes { get; }
-
-        public MemoryUsage(long heapMemoryBytes, long workingSet, long privateBytes)
-        {
-            HeapMemoryBytes = heapMemoryBytes;
-            WorkingSet = workingSet;
-            PrivateBytes = privateBytes;
-        }
-
-        public static MemoryUsage Capture(Process process)
-        {
-            // Get the GC to run fully
-            for(int i = 0; i < 5; i++)
-            {
-                GC.GetTotalMemory(forceFullCollection: true);
-            }
-            var heap = GC.GetTotalMemory(forceFullCollection: true);
-
-            return new MemoryUsage(
-                heap,
-                process.WorkingSet64,
-                process.PrivateMemorySize64);
-        }
-
-        public override string ToString()
-        {
-            return $"Heap: {HeapMemoryBytes / 1024.0:0.00}KB, WorkingSet: {WorkingSet / 1024.0:0.00}KB, Private: {PrivateBytes / 1024.0:0.00}KB";
-        }
-
-        public static MemoryUsage Compare(MemoryUsage start, MemoryUsage end)
-        {
-            return new MemoryUsage(
-                end.HeapMemoryBytes - start.HeapMemoryBytes,
-                end.WorkingSet - start.WorkingSet,
-                end.PrivateBytes - start.PrivateBytes);
-        }
-    }
-}

src/Microsoft.AspNet.StressFramework/Collectors/Metric.cs

@@ -1,29 +0,0 @@
-using System;
-using Xunit.Abstractions;
-
-namespace Microsoft.AspNet.StressFramework.Collectors
-{
-    public class Metric
-    {
-        private Metric(DateTime timestampUtc, int iteration, object value)
-        {
-            Value = value;
-            Iteration = iteration;
-            TimestampUtc = timestampUtc;
-        }
-
-        public object Value { get; }
-        public int Iteration { get; }
-        public DateTime TimestampUtc { get; }
-
-        public static Metric Create(int iteration, object value)
-        {
-            return new Metric(DateTime.UtcNow, iteration, value);
-        }
-
-        public override string ToString()
-        {
-            return $"[{Iteration}|{TimestampUtc.ToLocalTime().ToString("O")}] {Value}";
-        }
-    }
-}

src/Microsoft.AspNet.StressFramework/Collectors/MetricsRecordedMessage.cs

@@ -1,19 +0,0 @@
-using System.Collections.Generic;
-using System.Linq;
-using Xunit.Abstractions;
-
-namespace Microsoft.AspNet.StressFramework.Collectors
-{
-    public class MetricsRecordedMessage : IMessageSinkMessage
-    {
-        public MetricsRecordedMessage(ITest test, IEnumerable<Metric> metrics)
-        {
-            Test = test;
-            Metrics = metrics.ToList().AsReadOnly();
-        }
-
-        public ITest Test { get; }
-
-        public IReadOnlyList<Metric> Metrics { get; }
-    }
-}

src/Microsoft.AspNet.StressFramework/IStressTestDriver.cs

@@ -1,11 +0,0 @@
-using System.Threading.Tasks;
-
-namespace Microsoft.AspNet.StressFramework
-{
-    public interface IStressTestDriver
-    {
-        void Setup(StressTestDriverContext context);
-
-        Task RunAsync(StressTestDriverContext context);
-    }
-}

src/Microsoft.AspNet.StressFramework/IStressTestHost.cs

@@ -1,9 +0,0 @@
-namespace Microsoft.AspNet.StressFramework
-{
-    public interface IStressTestHost
-    {
-        void Setup();
-
-        void Run(StressTestHostContext context);
-    }
-}

src/Microsoft.AspNet.StressFramework/KestrelHost.cs

@@ -1,64 +0,0 @@
-using System;
-using System.Diagnostics;
-
-namespace Microsoft.AspNet.StressFramework
-{
-    public class KestrelHost : IStressTestHost, IDisposable
-    {
-        private readonly string _applicationPath;
-        private Process _process;
-
-        public KestrelHost(string applicationPath)
-        {
-            _applicationPath = applicationPath;
-        }
-
-        public void Setup()
-        {
-            var dnxProcess = Process.GetCurrentProcess();
-
-            _process = new Process
-            {
-                StartInfo = new ProcessStartInfo
-                {
-                    FileName = dnxProcess.MainModule.FileName,
-                    Arguments = "kestrel",
-                    WorkingDirectory = _applicationPath,
-                    RedirectStandardError = true,
-                    RedirectStandardOutput = true,
-                    UseShellExecute = false,
-                    CreateNoWindow = true
-                }
-            };
-
-            _process.OutputDataReceived += (sender, args) =>
-            {
-                StressTestTrace.WriteRawLine(args.Data);
-            };
-            _process.ErrorDataReceived += (sender, args) =>
-            {
-                StressTestTrace.WriteRawLine(args.Data);
-            };
-            _process.Start();
-            _process.BeginOutputReadLine();
-            _process.BeginErrorReadLine();
-
-
-        }
-
-        public void Run(StressTestHostContext context)
-        {
-            // Do nothing
-        }
-
-        public void Dispose()
-        {
-            if (!_process.HasExited)
-            {
-                _process.Kill();
-            }
-
-            _process.Dispose();
-        }
-    }
-}

src/Microsoft.AspNet.StressFramework/Microsoft.AspNet.StressFramework.xproj

@@ -1,20 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <PropertyGroup>
-    <VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">14.0</VisualStudioVersion>
-    <VSToolsPath Condition="'$(VSToolsPath)' == ''">$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)</VSToolsPath>
-  </PropertyGroup>
-
-  <Import Project="$(VSToolsPath)\DNX\Microsoft.DNX.Props" Condition="'$(VSToolsPath)' != ''" />
-  <PropertyGroup Label="Globals">
-    <ProjectGuid>1c90bf69-88b0-4079-9f90-48fe5abe3b25</ProjectGuid>
-    <RootNamespace>Microsoft.AspNet.StressFramework</RootNamespace>
-    <BaseIntermediateOutputPath Condition="'$(BaseIntermediateOutputPath)'=='' ">..\..\artifacts\obj\$(MSBuildProjectName)</BaseIntermediateOutputPath>
-    <OutputPath Condition="'$(OutputPath)'=='' ">..\..\artifacts\bin\$(MSBuildProjectName)\</OutputPath>
-  </PropertyGroup>
-
-  <PropertyGroup>
-    <SchemaVersion>2.0</SchemaVersion>
-  </PropertyGroup>
-  <Import Project="$(VSToolsPath)\DNX\Microsoft.DNX.targets" Condition="'$(VSToolsPath)' != ''" />
-</Project>

src/Microsoft.AspNet.StressFramework/PlatformHelper.cs

@@ -1,30 +0,0 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
-
-using System;
-using Microsoft.Dnx.Runtime;
-using Microsoft.Dnx.Runtime.Infrastructure;
-
-namespace Microsoft.AspNet.StressFramework
-{
-    internal static class PlatformHelper
-    {
-        private static Lazy<IRuntimeEnvironment> _runtimeEnv = new Lazy<IRuntimeEnvironment>(() =>
-            (IRuntimeEnvironment)CallContextServiceLocator
-            .Locator
-            .ServiceProvider
-            .GetService(typeof(IRuntimeEnvironment)));
-
-        private static Lazy<bool> _isMono = new Lazy<bool>(() => RuntimeEnvironment.RuntimeType.Equals("Mono", StringComparison.OrdinalIgnoreCase));
-        private static Lazy<bool> _isWindows = new Lazy<bool>(() => RuntimeEnvironment.OperatingSystem.Equals("Windows", StringComparison.OrdinalIgnoreCase));
-        private static Lazy<bool> _isLinux = new Lazy<bool>(() => RuntimeEnvironment.OperatingSystem.Equals("Linux", StringComparison.OrdinalIgnoreCase));
-        private static Lazy<bool> _isMac = new Lazy<bool>(() => RuntimeEnvironment.OperatingSystem.Equals("Darwin", StringComparison.OrdinalIgnoreCase));
-
-        public static bool IsMono { get { return _isMono.Value; } }
-        public static bool IsWindows { get { return _isWindows.Value; } }
-        public static bool IsLinux { get { return _isLinux.Value; } }
-        public static bool IsMac { get { return _isMac.Value; } }
-
-        internal static IRuntimeEnvironment RuntimeEnvironment { get { return _runtimeEnv.Value; } }
-    }
-}

src/Microsoft.AspNet.StressFramework/Program.cs

@@ -1,76 +0,0 @@
-using System;
-using System.Linq;
-using System.Reflection;
-
-namespace Microsoft.AspNet.StressFramework
-{
-    public class Program
-    {
-        public int Main(string[] args)
-        {
-            StressTestTrace.SetIsHost();
-
-            StressTestTrace.WriteLine("Host Launched");
-            if (args.Length != 3)
-            {
-                Console.Error.WriteLine("Usage: stresshost <TEST_LIBRARY> <TEST_CLASS> <TEST_METHOD>");
-                return -1;
-            }
-
-            var libraryName = args[0];
-            var className = args[1];
-            var methodName = args[2];
-
-            // Find the class
-            var asm = Assembly.Load(new AssemblyName(libraryName));
-            if (asm == null)
-            {
-                Console.Error.WriteLine($"Failed to load assembly: {libraryName}");
-                return -2;
-            }
-            var typ = asm.GetExportedTypes().FirstOrDefault(t => t.FullName.Equals(className));
-            if (typ == null)
-            {
-                Console.Error.WriteLine($"Failed to locate type: {className} in {libraryName}");
-                return -3;
-            }
-            var method = typ.GetMethods()
-                .SingleOrDefault(m =>
-                    m.Name.Equals(methodName) &&
-                    typeof(StressRunSetup).IsAssignableFrom(m.ReturnType) &&
-                    m.IsPublic &&
-                    m.GetParameters().Length == 0);
-            if (method == null)
-            {
-                Console.Error.WriteLine($"Failed to locate method: {methodName} in {className}");
-                return -4;
-            }
-
-            // Construct the class and invoke the method
-            var instance = Activator.CreateInstance(typ);
-            var setup = (StressRunSetup)method.Invoke(instance, new object[0]);
-
-            StressTestTrace.WriteLine("Host Ready for release");
-            setup.Host.Setup();
-
-            // Read the release message from the standard input
-            var released = Console.ReadLine();
-            if (!string.Equals(StressTestHostProcess.ReleaseMessage, released, StringComparison.Ordinal))
-            {
-                StressTestTrace.WriteLine("Host received invalid release message. Aborting");
-            }
-
-            // Run the host
-            StressTestTrace.WriteLine("Host Released");
-            var context = new StressTestHostContext
-            {
-                Iterations = setup.Iterations,
-                WarmupIterations = setup.WarmupIterations
-            };
-            setup.Host.Run(context);
-
-            StressTestTrace.WriteLine("Host Completed");
-            return 0;
-        }
-    }
-}

src/Microsoft.AspNet.StressFramework/Reporters/AggregateStressTestRunnerMessageHandler.cs

@@ -1,28 +0,0 @@
-using System.Collections.Generic;
-using System.Linq;
-using Xunit;
-using Xunit.Abstractions;
-
-namespace Microsoft.AspNet.StressFramework.Reporters
-{
-    public class AggregateStressTestRunnerMessageHandler : StressTestRunnerMessageHandlerBase
-    {
-        private readonly List<IMessageSink> _messageHandlers;
-
-        public AggregateStressTestRunnerMessageHandler(IRunnerLogger logger)
-            : base(logger)
-        {
-            _messageHandlers = new List<IMessageSink>();
-        }
-
-        public void AddMessageHandler(IMessageSink messageHandler)
-        {
-            _messageHandlers.Add(messageHandler);
-        }
-
-        public override bool OnMessage(IMessageSinkMessage message)
-        {
-            return _messageHandlers.Aggregate(true, (current, next) => current && next.OnMessage(message));
-        }
-    }
-}

src/Microsoft.AspNet.StressFramework/Reporters/BaselineConfiguration.cs

@@ -1,41 +0,0 @@
-using Microsoft.Framework.Configuration;
-
-namespace Microsoft.AspNet.StressFramework.Reporters
-{
-    public class BaselineConfiguration
-    {
-        private const string BaselineConfigurationSectionName = "baselineConfig";
-        private const string DefaultFolder = "StressBaselines";
-        private const int DefaultHeapMemoryFailPercentThreshold = 100;
-
-        public BaselineConfiguration()
-        {
-            Folder = DefaultFolder;
-            HeapMemoryFailPercentThreshold = DefaultHeapMemoryFailPercentThreshold;
-        }
-
-        public BaselineConfiguration(IConfigurationRoot configuration)
-            : this()
-        {
-            var baselineConfig = configuration.GetSection(BaselineConfigurationSectionName);
-            if (baselineConfig != null)
-            {
-                var folder = baselineConfig[nameof(Folder)];
-                if (string.IsNullOrEmpty(folder))
-                {
-                    Folder = folder;
-                }
-
-                var failPercentThresholdString = baselineConfig[nameof(HeapMemoryFailPercentThreshold)];
-                if (string.IsNullOrEmpty(failPercentThresholdString))
-                {
-                    HeapMemoryFailPercentThreshold = int.Parse(failPercentThresholdString);
-                }
-            }
-        }
-
-        public string Folder { get; }
-
-        public int HeapMemoryFailPercentThreshold { get; }
-    }
-}

src/Microsoft.AspNet.StressFramework/Reporters/DefaultStressTestRunnerReporter.cs

@@ -1,19 +0,0 @@
-using Xunit;
-using Xunit.Abstractions;
-
-namespace Microsoft.AspNet.StressFramework.Reporters
-{
-    public class DefaultStressTestRunnerReporter : DefaultRunnerReporter
-    {
-        internal const string Command = "stress";
-
-        public override string RunnerSwitch => Command;
-
-        public override string Description => "doesn't output stress test results.";
-
-        public override IMessageSink CreateMessageHandler(IRunnerLogger logger)
-        {
-            return new DefaultRunnerReporterMessageHandler(logger);
-        }
-    }
-}

src/Microsoft.AspNet.StressFramework/Reporters/StressTestOutputManager.cs

@@ -1,93 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using Microsoft.AspNet.StressFramework.Collectors;
-using Xunit.Abstractions;
-
-namespace Microsoft.AspNet.StressFramework.Reporters
-{
-    public static class StressTestOutputManager
-    {
-        private const string FileFormat = "{displayName}.{uniqueID}.metrics.csv";
-        private const string OutputDirectoryName = "TestOutput";
-
-        public static IReadOnlyList<Metric> ReadBaseline(ITest test)
-        {
-            var fileLocation = GetFileLocation(test);
-
-            // Assume the directory and file exists, if not we'll explode with a more informative error.
-            var fileLines = File.ReadAllLines(fileLocation);
-
-            try
-            {
-                var metrics = new List<Metric>();
-
-                // File format is CSV, start at index 1 to avoid the columns
-                for (var i = 1; i < fileLines.Length; i++)
-                {
-                    var data = fileLines[i].Split(',');
-                    var iteration = int.Parse(data[0]);
-
-                    var elapsedTimeTicks = long.Parse(data[4]);
-                    var elapsedTime = new ElapsedTime(TimeSpan.FromTicks(elapsedTimeTicks));
-                    var elapsedTimeMetric = Metric.Create(iteration, elapsedTime);
-                    metrics.Add(elapsedTimeMetric);
-
-                    var heapMemoryBytes = long.Parse(data[1]);
-                    var workingSet = long.Parse(data[2]);
-                    var privateBytes = long.Parse(data[3]);
-                    var memoryUsage = new MemoryUsage(heapMemoryBytes, workingSet, privateBytes);
-                    var memoryUsageMetric = Metric.Create(iteration, memoryUsage);
-                    metrics.Add(memoryUsageMetric);
-                }
-
-                return metrics;
-            }
-            catch (Exception ex)
-            {
-                throw new InvalidDataException(
-                    $"Could not parse test file '{fileLocation}':{Environment.NewLine}Error: {ex.Message}", ex);
-            }
-        }
-
-        public static string WriteTestOutput(IReadOnlyList<Metric> metrics, ITest test)
-        {
-            var outputDirectory = GetOutputDirectoryLocation();
-            if (!Directory.Exists(outputDirectory))
-            {
-                Directory.CreateDirectory(outputDirectory);
-            }
-
-            var fileLocation = GetFileLocation(test);
-            using (var writer = new StreamWriter(new FileStream(fileLocation, FileMode.Create)))
-            {
-                writer.WriteLine("Iteration,Heap,WorkingSet,PrivateBytes,ElapsedTicks");
-
-                foreach (var iteration in metrics.GroupBy(g => g.Iteration).OrderBy(g => g.Key))
-                {
-                    var elapsed = (ElapsedTime)iteration.Single(m => m.Value is ElapsedTime).Value;
-                    var mem = (MemoryUsage)iteration.Single(m => m.Value is MemoryUsage).Value;
-                    writer.WriteLine($"{iteration.Key},{mem.HeapMemoryBytes},{mem.WorkingSet},{mem.PrivateBytes},{elapsed.Elapsed.Ticks}");
-                }
-            }
-
-            return fileLocation;
-        }
-
-        private static string GetFileLocation(ITest test)
-        {
-            var outputDirectory = GetOutputDirectoryLocation();
-            var outputFile = Path.Combine(
-                outputDirectory,
-                string.Format(FileFormat, test.TestCase.DisplayName, test.TestCase.UniqueID));
-
-            return outputFile;
-        }
-
-        private static string GetOutputDirectoryLocation()
-        {
-            return Path.Combine(Directory.GetCurrentDirectory(), OutputDirectoryName);
-        }
-    }
-}

src/Microsoft.AspNet.StressFramework/Reporters/StressTestRunnerBaselineMessageHandler.cs

@@ -1,53 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using Microsoft.AspNet.StressFramework.Collectors;
-using Xunit;
-
-namespace Microsoft.AspNet.StressFramework.Reporters
-{
-    public class StressTestRunnerBaselineMessageHandler : StressTestRunnerMessageHandlerBase
-    {
-        private readonly BaselineConfiguration _configuration;
-
-        public StressTestRunnerBaselineMessageHandler(BaselineConfiguration configuration, IRunnerLogger logger)
-            : base(logger)
-        {
-            _configuration = configuration;
-        }
-
-        protected override bool Visit(MetricsRecordedMessage metricsRecordedMessage)
-        {
-            var targetMetrics = metricsRecordedMessage.Metrics;
-            var baselineMetrics = StressTestOutputManager.ReadBaseline(metricsRecordedMessage.Test);
-
-            // Could be smarter here and throw away outliers etc.
-            var baselineHeapMemoryUsageAverage = AverageHeapMemoryUsage(baselineMetrics);
-            var targetHeapMemoryUsageAverage = AverageHeapMemoryUsage(targetMetrics);
-
-            var combinedHeapMemoryUsageAverage = (baselineHeapMemoryUsageAverage + targetHeapMemoryUsageAverage) / 2;
-            var percentDifference =
-                (Math.Abs(baselineHeapMemoryUsageAverage - targetHeapMemoryUsageAverage) / combinedHeapMemoryUsageAverage) * 100;
-
-            if (percentDifference > _configuration.HeapMemoryFailPercentThreshold)
-            {
-                Logger.LogError(
-$@"Current stress test run resulted in an unexpectedly different heap memory usage.
-Current run usage average: {targetHeapMemoryUsageAverage} bytes
-Baseline run usage average: {baselineHeapMemoryUsageAverage} bytes
-% Difference: {percentDifference}%
-Fail threshold: {_configuration.HeapMemoryFailPercentThreshold}%");
-            }
-
-            return base.Visit(metricsRecordedMessage);
-        }
-
-        private static double AverageHeapMemoryUsage(IEnumerable<Metric> metrics)
-        {
-            return metrics
-                .Where(metric => metric.Value is MemoryUsage)
-                .Select(metric => ((MemoryUsage)metric.Value).HeapMemoryBytes)
-                .Average(heapMemoryUsage => heapMemoryUsage);
-        }
-    }
-}

src/Microsoft.AspNet.StressFramework/Reporters/StressTestRunnerBaselineReporter.cs

@@ -1,31 +0,0 @@
-using Xunit;
-using Xunit.Abstractions;
-
-namespace Microsoft.AspNet.StressFramework.Reporters
-{
-    public class StressTestRunnerBaselineReporter : DefaultRunnerReporter
-    {
-        internal const string Command = "stressbaseline";
-
-        private readonly BaselineConfiguration _configuration;
-
-        public StressTestRunnerBaselineReporter()
-            : this(new BaselineConfiguration())
-        {
-        }
-
-        public StressTestRunnerBaselineReporter(BaselineConfiguration configuration)
-        {
-            _configuration = configuration;
-        }
-
-        public override string RunnerSwitch => Command;
-
-        public override string Description => "compares stress run results to existing CSV stress test baselines.";
-
-        public override IMessageSink CreateMessageHandler(IRunnerLogger logger)
-        {
-            return new StressTestRunnerBaselineMessageHandler(_configuration, logger);
-        }
-    }
-}

src/Microsoft.AspNet.StressFramework/Reporters/StressTestRunnerCSVMessageHandler.cs

@@ -1,26 +0,0 @@
-using System.Diagnostics;
-using Microsoft.AspNet.StressFramework.Collectors;
-using Xunit;
-
-namespace Microsoft.AspNet.StressFramework.Reporters
-{
-    public class StressTestRunnerCSVMessageHandler : StressTestRunnerMessageHandlerBase
-    {
-        public StressTestRunnerCSVMessageHandler(IRunnerLogger logger)
-            : base(logger)
-        {
-        }
-
-        protected override bool Visit(MetricsRecordedMessage metricsRecordedMessage)
-        {
-            Debug.Assert(metricsRecordedMessage.Test.TestCase is StressTestCase);
-
-            var fileLocation = StressTestOutputManager.WriteTestOutput(metricsRecordedMessage.Metrics, metricsRecordedMessage.Test);
-
-            Logger.LogMessage(
-                $"Stress test {metricsRecordedMessage.Test.DisplayName} metrics file generated at: {fileLocation}");
-
-            return true;
-        }
-    }
-}

src/Microsoft.AspNet.StressFramework/Reporters/StressTestRunnerCSVReporter.cs

@@ -1,19 +0,0 @@
-using Xunit;
-using Xunit.Abstractions;
-
-namespace Microsoft.AspNet.StressFramework.Reporters
-{
-    public class StressTestRunnerCSVReporter : DefaultRunnerReporter
-    {
-        internal const string Command = "stresscsv";
-
-        public override string RunnerSwitch => Command;
-
-        public override string Description => "output stress test results to CSV files. 1 CSV file per test.";
-
-        public override IMessageSink CreateMessageHandler(IRunnerLogger logger)
-        {
-            return new StressTestRunnerCSVMessageHandler(logger);
-        }
-    }
-}

src/Microsoft.AspNet.StressFramework/Reporters/StressTestRunnerConfigReporter.cs

@@ -1,81 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using Microsoft.Framework.Configuration;
-using Xunit;
-using Xunit.Abstractions;
-
-namespace Microsoft.AspNet.StressFramework.Reporters
-{
-    public class StressTestRunnerConfigReporter : DefaultRunnerReporter
-    {
-        private const string StressConfigFileName = "stressConfig.json";
-        private const string CommandConfigName = "Command";
-        private IEnumerable<IRunnerReporter> _activeReporters;
-
-        public override string RunnerSwitch => "stressconfig";
-
-        public override string Description => "determine stress output mechanism based on ";
-
-        public override IMessageSink CreateMessageHandler(IRunnerLogger logger)
-        {
-            if (_activeReporters == null)
-            {
-                var reporters = new List<IRunnerReporter>();
-                var stressConfigFile = new FileInfo(StressConfigFileName);
-                if (!stressConfigFile.Exists)
-                {
-                    throw new InvalidOperationException(
-                        $"Cannot determine stress configuration. {StressConfigFileName} does not exist.");
-                }
-
-                var config = new ConfigurationBuilder(".").AddJsonFile(StressConfigFileName).Build();
-                var reporterBuilders = new Dictionary<string, Func<IRunnerReporter>>(StringComparer.OrdinalIgnoreCase)
-                {
-                    { DefaultStressTestRunnerReporter.Command, () => new DefaultStressTestRunnerReporter() },
-                    { StressTestRunnerCSVReporter.Command, () => new StressTestRunnerCSVReporter() },
-                    {
-                        StressTestRunnerBaselineReporter.Command,
-                        () =>
-                        {
-                            var baselineConfiguration = new BaselineConfiguration(config);
-                            var baselineReporter = new StressTestRunnerBaselineReporter(baselineConfiguration);
-
-                            return baselineReporter;
-                        }
-                    },
-                };
-
-                // Can expand this to support multiple, comma separated commands.
-                // Ex: "stressbaseline,stresscsv" to signal that we want to run a baseline and then save the results.
-                var command = config[CommandConfigName];
-
-                Func<IRunnerReporter> reporterBuilder;
-                if (string.IsNullOrEmpty(command))
-                {
-                    reporterBuilder = reporterBuilders[DefaultStressTestRunnerReporter.Command];
-                }
-                else if (!reporterBuilders.TryGetValue(command, out reporterBuilder))
-                {
-                    throw new InvalidOperationException(
-                        $"Unknown {CommandConfigName} value in {StressConfigFileName}.");
-                }
-
-                var reporter = reporterBuilder();
-                reporters.Add(reporter);
-
-                _activeReporters = reporters;
-            }
-
-            var aggregateMessageHandler = new AggregateStressTestRunnerMessageHandler(logger);
-
-            foreach (var reporter in _activeReporters)
-            {
-                var resolvedMessageHandler = reporter.CreateMessageHandler(logger);
-                aggregateMessageHandler.AddMessageHandler(resolvedMessageHandler);
-            }
-
-            return aggregateMessageHandler;
-        }
-    }
-}

src/Microsoft.AspNet.StressFramework/Reporters/StressTestRunnerMessageHandlerBase.cs

@@ -1,38 +0,0 @@
-using System;
-using Microsoft.AspNet.StressFramework.Collectors;
-using Xunit;
-using Xunit.Abstractions;
-
-namespace Microsoft.AspNet.StressFramework.Reporters
-{
-    public abstract class StressTestRunnerMessageHandlerBase : DefaultRunnerReporterMessageHandler
-    {
-        public StressTestRunnerMessageHandlerBase(IRunnerLogger logger)
-            : base(logger)
-        {
-        }
-
-        public override bool OnMessage(IMessageSinkMessage message)
-        {
-            return DoVisit<MetricsRecordedMessage>(message, (t, m) => t.Visit(m)) &&
-                base.OnMessage(message);
-        }
-
-        protected virtual bool Visit(MetricsRecordedMessage metric)
-        {
-            return true;
-        }
-
-        bool DoVisit<TMessage>(IMessageSinkMessage message, Func<StressTestRunnerMessageHandlerBase, TMessage, bool> callback)
-            where TMessage : class, IMessageSinkMessage
-        {
-            var castMessage = message as TMessage;
-            if (castMessage != null)
-            {
-                return callback(this, castMessage);
-            }
-
-            return true;
-        }
-    }
-}

src/Microsoft.AspNet.StressFramework/StressRunSetup.cs

@@ -1,40 +0,0 @@
-using System;
-using System.Threading.Tasks;
-
-namespace Microsoft.AspNet.StressFramework
-{
-    public class StressRunSetup
-    {
-        public IStressTestHost Host { get; set; }
-
-        public IStressTestDriver Driver { get; set; }
-
-        public int WarmupIterations { get; set; } = 1;
-
-        public int Iterations { get; set; } = 50;
-
-        public static StressRunSetup CreateTest(Func<Task> execute)
-        {
-            var host = new BasicHost(execute);
-            var driver = new BenchmarkingDriver();
-
-            return new StressRunSetup
-            {
-                Host = host,
-                Driver = driver,
-            };
-        }
-
-        public static StressRunSetup CreateClientServerTest(string applicationPath, Func<Task> execute)
-        {
-            var host = new KestrelHost(applicationPath);
-            var driver = new BasicDriver(execute);
-
-            return new StressRunSetup
-            {
-                Host = host,
-                Driver = driver,
-            };
-        }
-    }
-}

src/Microsoft.AspNet.StressFramework/StressTestAttribute.cs

@@ -1,16 +0,0 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
-
-using Xunit;
-using Xunit.Sdk;
-
-namespace Microsoft.AspNet.StressFramework
-{
-    [XunitTestCaseDiscoverer("Microsoft.AspNet.StressFramework.StressTestDiscoverer", "Microsoft.AspNet.StressFramework")]
-    public class StressTestAttribute : FactAttribute
-    {
-        public int Iterations { get; set; } = 100;
-
-        public int WarmupIterations { get; set; } = 1;
-    }
-}

src/Microsoft.AspNet.StressFramework/StressTestCase.cs

@@ -1,82 +0,0 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
-
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading;
-using System.Threading.Tasks;
-using Microsoft.AspNet.StressFramework.Collectors;
-using Xunit;
-using Xunit.Abstractions;
-using Xunit.Sdk;
-
-namespace Microsoft.AspNet.StressFramework
-{
-    public class StressTestCase : XunitTestCase
-    {
-#if DNX451
-        [NonSerialized]
-#endif
-        private readonly List<ICollector> _collectors;
-
-#if DNX451
-        [NonSerialized]
-#endif
-        private readonly IMessageSink _diagnosticMessageSink;
-
-        public StressTestCase(
-            int iterations,
-            int warmupIterations,
-            IMessageSink diagnosticMessageSink,
-            ITestMethod testMethod,
-            object[] testMethodArguments)
-            : base(diagnosticMessageSink, Xunit.Sdk.TestMethodDisplay.Method, testMethod, null)
-        {
-            var suppliedDisplayName = TestMethod.Method.GetCustomAttributes(typeof(FactAttribute))
-                .First()
-                .GetNamedArgument<string>("DisplayName");
-
-            // Load collectors
-            _collectors = TestMethod.Method
-                .GetCustomAttributes(typeof(ICollector))
-                .OfType<ReflectionAttributeInfo>()
-                .Select(r => r.Attribute)
-                .OfType<ICollector>()
-                .ToList();
-
-            _diagnosticMessageSink = diagnosticMessageSink;
-            DisplayName = suppliedDisplayName ?? BaseDisplayName;
-            Iterations = iterations;
-            WarmupIterations = warmupIterations;
-
-            TestMethodArguments = testMethodArguments?.ToArray();
-        }
-
-        public int Iterations { get; private set; }
-
-        public int WarmupIterations { get; private set; }
-
-        public override Task<RunSummary> RunAsync(
-            IMessageSink diagnosticMessageSink,
-            IMessageBus messageBus,
-            object[] constructorArguments,
-            ExceptionAggregator aggregator,
-            CancellationTokenSource cancellationTokenSource)
-        {
-            var runner = new StressTestRunner(
-                this,
-                DisplayName,
-                SkipReason,
-                constructorArguments,
-                TestMethodArguments,
-                messageBus,
-                aggregator,
-                cancellationTokenSource,
-                _diagnosticMessageSink,
-                _collectors);
-            return runner.RunAsync();
-        }
-    }
-
-}

src/Microsoft.AspNet.StressFramework/StressTestDiscoverer.cs

@@ -1,35 +0,0 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
-
-using System.Collections.Generic;
-using Xunit.Abstractions;
-using Xunit.Sdk;
-
-namespace Microsoft.AspNet.StressFramework
-{
-    public class StressTestDiscoverer : IXunitTestCaseDiscoverer
-    {
-        private readonly IMessageSink _messageSink;
-
-        public StressTestDiscoverer(IMessageSink messageSink)
-        {
-            _messageSink = messageSink;
-        }
-
-        public virtual IEnumerable<IXunitTestCase> Discover(
-            ITestFrameworkDiscoveryOptions discoveryOptions,
-            ITestMethod testMethod,
-            IAttributeInfo attribute)
-        {
-            var tests = new List<IXunitTestCase>();
-            tests.Add(new StressTestCase(
-                attribute.GetNamedArgument<int>(nameof(StressTestAttribute.Iterations)),
-                attribute.GetNamedArgument<int>(nameof(StressTestAttribute.WarmupIterations)),
-                _messageSink,
-                testMethod,
-                null));
-
-            return tests;
-        }
-    }
-}

src/Microsoft.AspNet.StressFramework/StressTestDriverContext.cs

@@ -1,11 +0,0 @@
-using System.Reflection;
-
-namespace Microsoft.AspNet.StressFramework
-{
-    public class StressTestDriverContext
-    {
-        public MethodInfo TestMethod { get; set; }
-
-        public StressRunSetup Setup { get; set; }
-    }
-}

src/Microsoft.AspNet.StressFramework/StressTestHostContext.cs

@@ -1,10 +0,0 @@
-namespace Microsoft.AspNet.StressFramework
-{
-    // TODO: Put helpers for iteration here
-    public class StressTestHostContext
-    {
-        public int WarmupIterations { get; set; }
-
-        public int Iterations { get; set; }
-    }
-}

src/Microsoft.AspNet.StressFramework/StressTestHostProcess.cs

@@ -1,59 +0,0 @@
-using System;
-using System.Diagnostics;
-using System.IO;
-using System.Reflection;
-
-namespace Microsoft.AspNet.StressFramework
-{
-    internal class StressTestHostProcess : IDisposable
-    {
-        public static readonly string ReleaseMessage = "RELEASE_STRESS_TEST_HOST";
-
-        public Process Process { get; }
-
-        public StressTestHostProcess(Process process)
-        {
-            Process = process;
-        }
-
-        public void BeginIterations()
-        {
-            Process.StandardInput.WriteLine(ReleaseMessage);
-        }
-
-        internal static StressTestHostProcess Launch(MethodInfo testMethod, Action<string> outputWriter)
-        {
-            var assembly = testMethod.DeclaringType.GetTypeInfo().Assembly.GetName().Name;
-            var type = testMethod.DeclaringType.FullName;
-            var method = testMethod.Name;
-
-            var me = Process.GetCurrentProcess();
-            var process = new Process();
-            process.StartInfo.FileName = me.MainModule.FileName;
-            process.StartInfo.Arguments = $"{typeof(Program).GetTypeInfo().Assembly.GetName().Name} \"{assembly}\" \"{type}\" \"{method}\"";
-            process.StartInfo.WorkingDirectory = Directory.GetCurrentDirectory();
-            process.StartInfo.RedirectStandardError = true;
-            process.StartInfo.RedirectStandardInput = true;
-            process.StartInfo.RedirectStandardOutput = true;
-            process.StartInfo.UseShellExecute = false;
-            process.StartInfo.CreateNoWindow = true;
-            process.OutputDataReceived += (sender, args) =>
-            {
-                outputWriter(args.Data);
-            };
-            process.ErrorDataReceived += (sender, args) =>
-            {
-                outputWriter(args.Data);
-            };
-            process.Start();
-            process.BeginOutputReadLine();
-            process.BeginErrorReadLine();
-            return new StressTestHostProcess(process);
-        }
-
-        public void Dispose()
-        {
-            Process.Dispose();
-        }
-    }
-}

src/Microsoft.AspNet.StressFramework/StressTestIterationContext.cs

@@ -1,61 +0,0 @@
-using System.Collections.Generic;
-using System.Diagnostics;
-using Microsoft.AspNet.StressFramework.Collectors;
-using Xunit.Sdk;
-
-namespace Microsoft.AspNet.StressFramework
-{
-    public class StressTestIterationContext
-    {
-        private readonly IList<ICollector> _collectors;
-        private readonly Stopwatch _stopwatch = new Stopwatch();
-        private readonly List<Metric> _recordings = new List<Metric>();
-        private readonly IMessageBus _bus;
-        private readonly Process _me;
-
-        public IReadOnlyList<Metric> Recordings { get; }
-        public int Iteration { get; }
-
-        public StressTestIterationContext(int iteration, IList<ICollector> collectors, IMessageBus bus)
-        {
-            Iteration = iteration;
-
-            _collectors = collectors;
-            _bus = bus;
-            _me = Process.GetCurrentProcess();
-
-            // The read-only wrapper IS live updated by changes to the underlying list
-            // https://msdn.microsoft.com/query/dev14.query?appId=Dev14IDEF1&l=EN-US&k=k(System.Collections.Generic.List`1.AsReadOnly);k(SolutionItemsProject);k(DevLang-csharp)&rd=true
-            Recordings = _recordings.AsReadOnly();
-        }
-
-        /// <summary>
-        /// Record a metric
-        /// </summary>
-        public void Record<T>(T data)
-        {
-            var metric = Metric.Create(Iteration, data);
-            _recordings.Add(metric);
-        }
-
-        public void BeginIteration()
-        {
-            foreach (var collector in _collectors)
-            {
-                collector.BeginIteration(this);
-            }
-
-            // Start capturing elapsed time
-            _stopwatch.Start();
-        }
-
-        public void EndIteration()
-        {
-            // Stop capturing elapsed time
-            _stopwatch.Stop();
-
-            // Record the elapsed time and memory usage
-            _recordings.Add(Metric.Create(Iteration, new ElapsedTime(_stopwatch.Elapsed)));
-        }
-    }
-}

src/Microsoft.AspNet.StressFramework/StressTestRunner.cs

@@ -1,152 +0,0 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
-
-using System;
-using System.Diagnostics;
-using System.Threading;
-using System.Threading.Tasks;
-using Xunit.Abstractions;
-using Xunit.Sdk;
-using System.Collections.Generic;
-using Microsoft.AspNet.StressFramework.Collectors;
-
-#if DNXCORE50 || DNX451
-using Microsoft.Dnx.Runtime;
-using Microsoft.Dnx.Runtime.Infrastructure;
-#else
-using XunitDiagnosticMessage = Xunit.Sdk.DiagnosticMessage;
-#endif
-
-namespace Microsoft.AspNet.StressFramework
-{
-    public class StressTestRunner : TestRunner<StressTestCase>
-    {
-        private readonly IList<ICollector> _collectors;
-
-        public StressTestRunner(
-            StressTestCase test,
-            string displayName,
-            string skipReason,
-            object[] constructorArguments,
-            object[] testMethodArguments,
-            IMessageBus messageBus,
-            ExceptionAggregator aggregator,
-            CancellationTokenSource cancellationTokenSource,
-            IMessageSink diagnosticMessageSink,
-            IList<ICollector> collectors)
-            : base(
-                  new StressTestTest() { DisplayName = displayName, TestCase = test },
-                  messageBus,
-                  ((ReflectionTypeInfo)test.TestMethod.TestClass.Class).Type,
-                  constructorArguments,
-                  ((ReflectionMethodInfo)test.TestMethod.Method).MethodInfo,
-                  testMethodArguments,
-                  skipReason,
-                  aggregator,
-                  cancellationTokenSource)
-        {
-            _collectors = collectors;
-        }
-
-        protected async override Task<Tuple<decimal, string>> InvokeTestAsync(ExceptionAggregator aggregator)
-        {
-            var output = string.Empty;
-
-            TestOutputHelper testOutputHelper = null;
-            foreach (object obj in ConstructorArguments)
-            {
-                testOutputHelper = obj as TestOutputHelper;
-                if (testOutputHelper != null)
-                {
-                    break;
-                }
-            }
-
-            if (testOutputHelper != null)
-            {
-                testOutputHelper.Initialize(MessageBus, Test);
-            }
-
-            var instance = Activator.CreateInstance(TestClass, ConstructorArguments);
-
-            foreach (var collector in _collectors)
-            {
-                collector.Initialize();
-            }
-
-            try
-            {
-                // Launch the host to run the test
-                var setup = InvokeTestMethodAsync(instance);
-                var context = new StressTestDriverContext
-                {
-                    Setup = setup,
-                    TestMethod = TestMethod,
-                };
-
-                setup.Driver.Setup(context);
-                var stopwatch = Stopwatch.StartNew();
-                try
-                {
-                    await aggregator.RunAsync(() => setup.Driver.RunAsync(context));
-                }
-                finally
-                {
-                    var disposable = setup.Host as IDisposable;
-                    disposable?.Dispose();
-
-                    disposable = setup.Driver as IDisposable;
-                    disposable?.Dispose();
-                }
-                stopwatch.Stop();
-
-                var executionTime = (decimal)stopwatch.Elapsed.TotalSeconds;
-
-                if (testOutputHelper != null)
-                {
-                    output = testOutputHelper.Output;
-                    testOutputHelper.Uninitialize();
-                }
-
-                return Tuple.Create(executionTime, output);
-            }
-            catch (Exception ex)
-            {
-                aggregator.Add(ex);
-                return Tuple.Create(0m, output);
-            }
-            finally
-            {
-                (instance as IDisposable)?.Dispose();
-            }
-        }
-
-        private StressRunSetup InvokeTestMethodAsync(object instance)
-        {
-            return (StressRunSetup)TestMethod.Invoke(instance, TestMethodArguments);
-        }
-
-        private static string GetFramework()
-        {
-#if DNX451 || DNXCORE50
-            var services = CallContextServiceLocator.Locator.ServiceProvider;
-            var env = (IRuntimeEnvironment)services.GetService(typeof(IRuntimeEnvironment));
-            return "DNX." + env.RuntimeType;
-#else
-            return ".NETFramework";
-#endif
-        }
-
-        private static string GetMachineName()
-        {
-            return Environment.GetEnvironmentVariable("COMPUTERNAME");
-        }
-
-        private class StressTestTest : ITest
-        {
-            public string DisplayName { get; set; }
-
-            public ITestCase TestCase { get; set; }
-        }
-    }
-}

src/Microsoft.AspNet.StressFramework/StressTestTrace.cs

@@ -1,30 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Diagnostics;
-using System.Linq;
-using System.Threading.Tasks;
-
-namespace Microsoft.AspNet.StressFramework
-{
-    internal static class StressTestTrace
-    {
-        private static readonly Process Me = Process.GetCurrentProcess();
-
-        private static string _hostOrDriver = "Driver";
-
-        public static void WriteLine(string line)
-        {
-            WriteRawLine($"[{_hostOrDriver}:{Me.Id}] {line}");
-        }
-
-        internal static void WriteRawLine(string line)
-        {
-            Console.WriteLine(line);
-        }
-
-        public static void SetIsHost()
-        {
-            _hostOrDriver = "Host";
-        }
-    }
-}

src/Microsoft.AspNet.StressFramework/project.json

@@ -1,21 +0,0 @@
-{
-  "version": "1.0.0-*",
-  "dependencies": {
-    "Microsoft.Framework.Configuration.Json": "1.0.0-*",
-    "xunit.assert": "2.1.0-*",
-    "xunit.core": "2.1.0-*",
-    "xunit.runner.dnx": "2.1.0-*"
-  },
-  "frameworks": {
-    "dnx451": {
-      "frameworkAssemblies": {
-        "System.Reflection": "4.0.0.0"
-      }
-    },
-    "dnxcore50": {
-      "dependencies": {
-        "System.Runtime": "4.0.21-beta-*"
-      }
-    }
-  }
-}

src/Placeholder/project.json

@@ -0,0 +1,5 @@
+{
+    "frameworks": {
+        "dnx451": {}
+    }
+}

test/Microsoft.AspNet.Stress.Mvc.Tests/Microsoft.AspNet.Stress.Mvc.Tests.xproj

@@ -1,21 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <PropertyGroup>
-    <VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">14.0</VisualStudioVersion>
-    <VSToolsPath Condition="'$(VSToolsPath)' == ''">$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)</VSToolsPath>
-  </PropertyGroup>
-  <Import Project="$(VSToolsPath)\DNX\Microsoft.DNX.Props" Condition="'$(VSToolsPath)' != ''" />
-  <PropertyGroup Label="Globals">
-    <ProjectGuid>f4279585-9a04-408c-9ad6-ba4b058f739f</ProjectGuid>
-    <RootNamespace>Microsoft.AspNet.Stress.Mvc.Tests</RootNamespace>
-    <BaseIntermediateOutputPath Condition="'$(BaseIntermediateOutputPath)'=='' ">..\..\artifacts\obj\$(MSBuildProjectName)</BaseIntermediateOutputPath>
-    <OutputPath Condition="'$(OutputPath)'=='' ">..\..\artifacts\bin\$(MSBuildProjectName)\</OutputPath>
-  </PropertyGroup>
-  <PropertyGroup>
-    <SchemaVersion>2.0</SchemaVersion>
-  </PropertyGroup>
-  <ItemGroup>
-    <Service Include="{82a7f48d-3b50-4b1e-b82e-3ada8210c358}" />
-  </ItemGroup>
-  <Import Project="$(VSToolsPath)\DNX\Microsoft.DNX.targets" Condition="'$(VSToolsPath)' != ''" />
-</Project>

test/Microsoft.AspNet.Stress.Mvc.Tests/project.json

@@ -1,14 +0,0 @@
-{
-  "version": "1.0.0-*",
-  "commands": {
-    "test": "xunit.runner.dnx"
-  },
-    "dependencies": {
-        "Microsoft.AspNet.StressFramework": "",
-        "Microsoft.AspNet.TestHost": "1.0.0-*"
-    },
-  "frameworks": {
-    "dnx451": { },
-    "dnxcore50": { }
-  }
-}

test/Microsoft.AspNet.Stress.Tests/MvcSmokeTest.cs

@@ -1,34 +0,0 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
-
-using System;
-using System.IO;
-using System.Net;
-using System.Net.Http;
-using Microsoft.AspNet.StressFramework;
-using Xunit;
-
-namespace Microsoft.AspNet.Stress.Tests
-{
-    public class MvcSmokeTest
-    {
-        [StressTest]
-        public StressRunSetup IndexTest()
-        {
-            var applicationPath = Path.Combine(Directory.GetCurrentDirectory(), "..", "websites", "HelloWorldMvc");
-            var client = new HttpClient();
-            client.BaseAddress = new Uri("http://localhost:5001/");
-
-            return StressRunSetup.CreateClientServerTest(applicationPath,
-                async () =>
-                {
-
-                    var result = await client.GetAsync("Home/Index");
-
-                    // Assert
-                    Assert.Equal(HttpStatusCode.OK, result.StatusCode);
-                    Assert.Equal("Hello World!", await result.Content.ReadAsStringAsync());
-                });
-        }
-    }
-}

test/Microsoft.AspNet.Stress.Tests/SmokeTest.cs

@@ -2,43 +2,33 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System.Collections.Generic;
-using System.Linq;
 using System.Threading;
-using Microsoft.AspNet.StressFramework;
 using Microsoft.AspNet.WebUtilities;
-using Xunit;
+using Microsoft.Xunit.Performance;
 
 namespace Microsoft.AspNet.Stress.Tests
 {
     public class SmokeTest
     {
-        [StressTest]
+        [Benchmark]
-        public StressRunSetup SmokeyMcSmokeTest()
+        [MeasureInstructionsRetired]
+        public void SmokeyMcSmokeTest()
         {
+            // Arrange
             var formData = "first=second&third=fourth&fifth=sixth";
             var formReader = new FormReader(formData);
             var pairs = new List<KeyValuePair<string, string>>();
             var cancellationToken = new CancellationToken();
-            var expectedPairs = new Dictionary<string, string>
-                    {
-                        { "first", "second" },
-                        { "third", "fourth" },
-                        { "fifth", "sixth" },
-                    }.ToList();
 
-            return StressRunSetup.CreateTest(
-                async () =>
-                {
             // Act
+            Benchmark.IterateAsync(async () =>
+            {
                 var pair = await formReader.ReadNextPairAsync(cancellationToken);
                 while (pair != null)
                 {
                     pairs.Add(pair.Value);
                     pair = await formReader.ReadNextPairAsync(cancellationToken);
                 }
-
-                    // Assert
-                    Assert.Equal(expectedPairs, pairs);
             });
         }
     }

test/Microsoft.AspNet.Stress.Tests/project.json

@@ -1,23 +1,21 @@
 {
     "version": "1.0.0-*",
     "commands": {
-    "test": "xunit.runner.dnx"
+        "test": "xunit.runner.dnx",
+        "stress": "aspnet.xunit.performance.run"
     },
     "dependencies": {
-    "Microsoft.AspNet.StressFramework": "",
+        "aspnet.xunit.performance.execution": "1.0.0-*",
+        "aspnet.xunit.performance.run": "1.0.0-*",
+        "xunit": "2.1.0-*",
+        "xunit.runner.dnx": "2.1.0-*",
         "Microsoft.AspNet.WebUtilities": "1.0.0-*"
     },
     "frameworks": {
-    "dnx451": {
+        "dnx46": {
             "frameworkAssemblies": {
                 "System.Net.Http": "4.0.0.0"
             }
-    },
-    "dnxcore50": {
-      "dependencies": {
-        "System.Runtime": "4.0.21-beta-*",
-        "System.Net.Http": "4.0.1-beta-*"
-      }
         }
     }
 }