acceptance-tests/profiler-stress/runner.cs

   1 using System;
   2 using System.Collections.Generic;
   3 using System.Diagnostics;
   4 using System.Globalization;
   5 using System.IO;
   6 using System.Linq;
   7 using System.Text;
   8 using System.Text.RegularExpressions;
   9 using System.Threading;
  10 using System.Xml;
  11 using Mono.Unix.Native;
  12 using Newtonsoft.Json;
  13
  14 // Shut up CLS compliance warnings from Json.NET.
  15 [assembly: CLSCompliant (true)]
  16
  17 namespace Mono.Profiling.Tests.Stress {
  18
  19         // https://github.com/xamarin/benchmarker/blob/master/tools/libdbmodel/Benchmark.cs
  20         sealed class Benchmark {
  21
  22                 public string Name { get; set; }
  23                 public string TestDirectory { get; set; }
  24                 public bool OnlyExplicit { get; set; }
  25                 public string[] CommandLine { get; set; }
  26                 public string[] ClientCommandLine { get; set; }
  27                 public string[] AOTAssemblies { get; set; }
  28
  29                 public static Benchmark Load (string file)
  30                 {
  31                         return JsonConvert.DeserializeObject<Benchmark> (File.ReadAllText (file));
  32                 }
  33         }
  34
  35         sealed class TestResult {
  36
  37                 public Benchmark Benchmark { get; set; }
  38                 public ProcessStartInfo StartInfo { get; set; }
  39                 public Stopwatch Stopwatch { get; set; } = new Stopwatch ();
  40                 public int? ExitCode { get; set; }
  41                 public string StandardOutput { get; set; }
  42                 public string StandardError { get; set; }
  43         }
  44
  45         static class Program {
  46
  47                 static readonly string[] _options = new [] {
  48                         "exception",
  49                         "monitor",
  50                         "gc",
  51                         "gcalloc",
  52                         "gcmove",
  53                         "gcroot",
  54                         "gchandle",
  55                         "finalization",
  56                         "counter",
  57                         "jit",
  58                 };
  59
  60                 static readonly TimeSpan _timeout = TimeSpan.FromHours (8);
  61
  62                 static readonly Dictionary<string, Action<TestResult>> _processors = new Dictionary<string, Action<TestResult>> () {
  63                         { "msbiology", Process32BitOutOfMemory },
  64                 };
  65
  66                 static string FilterInvalidXmlChars (string text) {
  67                         return Regex.Replace (text, @"[^\x09\x0A\x0D\x20-\uD7FF\uE000-\uFFFD\u10000-\u10FFFF]", string.Empty);
  68                 }
  69
  70                 static void Process32BitOutOfMemory (TestResult result)
  71                 {
  72                         if (Environment.Is64BitProcess)
  73                                 return;
  74
  75                         if (result.ExitCode == null || result.ExitCode == 0)
  76                                 return;
  77
  78                         if (result.StandardError.Contains ("OutOfMemoryException"))
  79                                 result.ExitCode = 0;
  80                 }
  81
  82                 static int Main ()
  83                 {
  84                         var depDir = Path.Combine ("..", "external", "benchmarker");
  85                         var benchDir = Path.Combine (depDir, "benchmarks");
  86                         var testDir = Path.Combine (depDir, "tests");
  87
  88                         var benchmarks = Directory.EnumerateFiles (benchDir, "*.benchmark")
  89                                          .Select (Benchmark.Load)
  90                                          .Where (b => !b.OnlyExplicit && b.ClientCommandLine == null)
  91                                          .OrderBy (b => b.Name)
  92                                          .ToArray ();
  93
  94                         var monoPath = Path.GetFullPath (Path.Combine ("..", "..", "runtime", "mono-wrapper"));
  95                         var classDir = Path.GetFullPath (Path.Combine ("..", "..", "mcs", "class", "lib", "net_4_x"));
  96
  97                         var rand = new Random ();
  98                         var cpus = Environment.ProcessorCount;
  99
 100                         var results = new List<TestResult> (benchmarks.Length);
 101
 102                         var sw = Stopwatch.StartNew ();
 103
 104                         for (var i = 0; i < benchmarks.Length; i++) {
 105                                 var bench = benchmarks [i];
 106
 107                                 var sampleFreq = rand.Next (-1000, 1001);
 108                                 var sampleMode = rand.Next (0, 2) == 1 ? "-real" : string.Empty;
 109                                 var maxSamples = rand.Next (0, cpus * 2000 + 1);
 110                                 var heapShotFreq = rand.Next (-10, 11);
 111                                 var maxFrames = rand.Next (0, 33);
 112                                 var options = _options.ToDictionary (x => x, _ => rand.Next (0, 2) == 1)
 113                                                       .Select (x => (x.Value ? string.Empty : "no") + x.Key)
 114                                                       .ToArray ();
 115
 116                                 var profOptions = $"maxframes={maxFrames},{string.Join (",", options)},output=/dev/null";
 117
 118                                 if (sampleFreq > 0)
 119                                         profOptions += $",sample{sampleMode}={sampleFreq},maxsamples={maxSamples}";
 120
 121                                 if (heapShotFreq > 0)
 122                                         profOptions += $",heapshot={heapShotFreq}gc";
 123
 124                                 var info = new ProcessStartInfo {
 125                                         UseShellExecute = false,
 126                                         WorkingDirectory = Path.Combine (testDir, bench.TestDirectory),
 127                                         FileName = monoPath,
 128                                         Arguments = $"--debug --profile=log:{profOptions} " + string.Join (" ", bench.CommandLine),
 129                                         RedirectStandardOutput = true,
 130                                         RedirectStandardError = true,
 131                                 };
 132
 133                                 info.EnvironmentVariables.Clear ();
 134                                 info.EnvironmentVariables.Add ("MONO_PATH", classDir);
 135
 136                                 var progress = $"({i + 1}/{benchmarks.Length})";
 137
 138                                 Console.ForegroundColor = ConsoleColor.Blue;
 139                                 Console.WriteLine ($"[{sw.Elapsed.ToString ("G")}] {progress} Running {bench.Name} with profiler options: {profOptions}");
 140                                 Console.ResetColor ();
 141
 142                                 var result = new TestResult {
 143                                         Benchmark = bench,
 144                                         StartInfo = info,
 145                                 };
 146
 147                                 using (var proc = new Process ()) {
 148                                         proc.StartInfo = info;
 149
 150                                         var stdout = new StringBuilder ();
 151                                         var stderr = new StringBuilder ();
 152
 153                                         proc.OutputDataReceived += (sender, args) => {
 154                                                 if (args.Data != null)
 155                                                         lock (result)
 156                                                                 stdout.AppendLine (args.Data);
 157                                         };
 158
 159                                         proc.ErrorDataReceived += (sender, args) => {
 160                                                 if (args.Data != null)
 161                                                         lock (result)
 162                                                                 stderr.AppendLine (args.Data);
 163                                         };
 164
 165                                         result.Stopwatch.Start ();
 166
 167                                         proc.Start ();
 168
 169                                         proc.BeginOutputReadLine ();
 170                                         proc.BeginErrorReadLine ();
 171
 172                                         if (!proc.WaitForExit ((int) _timeout.TotalMilliseconds)) {
 173                                                 // Force a thread dump.
 174                                                 Syscall.kill (proc.Id, Signum.SIGQUIT);
 175                                                 Thread.Sleep (1000);
 176
 177                                                 try {
 178                                                         proc.Kill ();
 179                                                 } catch (Exception) {
 180                                                 }
 181                                         } else
 182                                                 result.ExitCode = proc.ExitCode;
 183
 184                                         result.Stopwatch.Stop ();
 185
 186                                         result.StandardOutput = stdout.ToString ();
 187                                         result.StandardError = stderr.ToString ();
 188                                 }
 189
 190                                 var resultStr = result.ExitCode == null ? "timed out" : $"exited with code: {result.ExitCode}";
 191
 192                                 Console.ForegroundColor = result.ExitCode != 0 ? ConsoleColor.Red : ConsoleColor.Green;
 193                                 Console.WriteLine ($"[{sw.Elapsed.ToString ("G")}] {progress} {bench.Name} took {result.Stopwatch.Elapsed.ToString ("G")} and {resultStr}");
 194                                 Console.ResetColor ();
 195
 196                                 if (result.ExitCode != 0) {
 197                                         Console.ForegroundColor = ConsoleColor.Red;
 198                                         Console.WriteLine ("===== stdout =====");
 199                                         Console.ResetColor ();
 200
 201                                         Console.WriteLine (result.StandardOutput);
 202
 203                                         Console.ForegroundColor = ConsoleColor.Red;
 204                                         Console.WriteLine ("===== stderr =====");
 205                                         Console.ResetColor ();
 206
 207                                         Console.WriteLine (result.StandardError);
 208                                 }
 209
 210                                 if (_processors.TryGetValue (bench.Name, out var processor))
 211                                         processor (result);
 212
 213                                 results.Add (result);
 214                         }
 215
 216                         sw.Stop ();
 217
 218                         var successes = results.Count (r => r.ExitCode == 0);
 219                         var failures = results.Count (r => r.ExitCode != null && r.ExitCode != 0);
 220                         var timeouts = results.Count (r => r.ExitCode == null);
 221
 222                         var settings = new XmlWriterSettings {
 223                                 NewLineOnAttributes = true,
 224                                 Indent = true,
 225                         };
 226
 227                         using (var writer = XmlWriter.Create ("TestResult-profiler-stress.xml", settings)) {
 228                                 writer.WriteStartDocument ();
 229                                 writer.WriteComment ("This file represents the results of running a test suite");
 230
 231                                 writer.WriteStartElement ("test-results");
 232                                 writer.WriteAttributeString ("name", "profiler-stress-tests.dummy");
 233                                 writer.WriteAttributeString ("total", results.Count.ToString ());
 234                                 writer.WriteAttributeString ("failures", failures.ToString ());
 235                                 writer.WriteAttributeString ("not-run", "0");
 236                                 writer.WriteAttributeString ("date", DateTime.Now.ToString ("yyyy-MM-dd"));
 237                                 writer.WriteAttributeString ("time", DateTime.Now.ToString ("HH:mm:ss"));
 238
 239                                 writer.WriteStartElement ("environment");
 240                                 writer.WriteAttributeString ("nunit-version", "2.4.8.0");
 241                                 writer.WriteAttributeString ("clr-version", Environment.Version.ToString ());
 242                                 writer.WriteAttributeString ("os-version", Environment.OSVersion.ToString ());
 243                                 writer.WriteAttributeString ("platform", Environment.OSVersion.Platform.ToString ());
 244                                 writer.WriteAttributeString ("cwd", Environment.CurrentDirectory);
 245                                 writer.WriteAttributeString ("machine-name", Environment.MachineName);
 246                                 writer.WriteAttributeString ("user", Environment.UserName);
 247                                 writer.WriteAttributeString ("user-domain", Environment.UserDomainName);
 248                                 writer.WriteEndElement ();
 249
 250                                 writer.WriteStartElement ("culture-info");
 251                                 writer.WriteAttributeString ("current-culture", CultureInfo.CurrentCulture.Name);
 252                                 writer.WriteAttributeString ("current-uiculture", CultureInfo.CurrentUICulture.Name);
 253                                 writer.WriteEndElement ();
 254
 255                                 writer.WriteStartElement ("test-suite");
 256                                 writer.WriteAttributeString ("name", "profiler-stress-tests.dummy");
 257                                 writer.WriteAttributeString ("success", (failures + timeouts == 0).ToString ());
 258                                 writer.WriteAttributeString ("time", ((int) sw.Elapsed.TotalSeconds).ToString ());
 259                                 writer.WriteAttributeString ("asserts", (failures + timeouts).ToString ());
 260                                 writer.WriteStartElement ("results");
 261
 262                                 writer.WriteStartElement ("test-suite");
 263                                 writer.WriteAttributeString ("name", "MonoTests");
 264                                 writer.WriteAttributeString ("success", (failures + timeouts == 0).ToString ());
 265                                 writer.WriteAttributeString ("time", ((int) sw.Elapsed.TotalSeconds).ToString ());
 266                                 writer.WriteAttributeString ("asserts", (failures + timeouts).ToString ());
 267                                 writer.WriteStartElement ("results");
 268
 269                                 writer.WriteStartElement ("test-suite");
 270                                 writer.WriteAttributeString ("name", "profiler-stress");
 271                                 writer.WriteAttributeString ("success", (failures + timeouts == 0).ToString ());
 272                                 writer.WriteAttributeString ("time", ((int) sw.Elapsed.TotalSeconds).ToString ());
 273                                 writer.WriteAttributeString ("asserts", (failures + timeouts).ToString ());
 274                                 writer.WriteStartElement ("results");
 275
 276                                 foreach (var result in results) {
 277                                         var timeoutStr = result.ExitCode == null ? "_timeout" : string.Empty;
 278
 279                                         writer.WriteStartElement ("test-case");
 280                                         writer.WriteAttributeString ("name", $"MonoTests.profiler-stress.{result.Benchmark.Name}{timeoutStr}");
 281                                         writer.WriteAttributeString ("executed", "True");
 282                                         writer.WriteAttributeString ("success", (result.ExitCode == 0).ToString ());
 283                                         writer.WriteAttributeString ("time", ((int) result.Stopwatch.Elapsed.TotalSeconds).ToString ());
 284                                         writer.WriteAttributeString ("asserts", result.ExitCode == 0 ? "0" : "1");
 285
 286                                         if (result.ExitCode != 0) {
 287                                                 writer.WriteStartElement ("failure");
 288
 289                                                 writer.WriteStartElement ("message");
 290                                                 writer.WriteCData (FilterInvalidXmlChars (result.StandardOutput));
 291                                                 writer.WriteEndElement ();
 292
 293                                                 writer.WriteStartElement ("stack-trace");
 294                                                 writer.WriteCData (FilterInvalidXmlChars (result.StandardError));
 295                                                 writer.WriteEndElement ();
 296
 297                                                 writer.WriteEndElement ();
 298                                         }
 299
 300                                         writer.WriteEndElement ();
 301                                 }
 302
 303                                 writer.WriteEndElement ();
 304                                 writer.WriteEndElement ();
 305
 306                                 writer.WriteEndElement ();
 307                                 writer.WriteEndElement ();
 308
 309                                 writer.WriteEndElement ();
 310                                 writer.WriteEndElement ();
 311
 312                                 writer.WriteEndElement ();
 313
 314                                 writer.WriteEndDocument ();
 315                         }
 316
 317                         var failureStr = failures + timeouts != 0 ? $" ({failures} failures, {timeouts} timeouts)" : string.Empty;
 318
 319                         Console.ForegroundColor = failures + timeouts != 0 ? ConsoleColor.Red : ConsoleColor.Green;
 320                         Console.WriteLine ($"[{sw.Elapsed.ToString ("G")}] Finished with {successes}/{results.Count} passing tests{failureStr}");
 321                         Console.ResetColor ();
 322
 323                         return failures + timeouts;
 324                 }
 325         }
 326 }