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 StringBuilder StandardOutput { get; set; } = new StringBuilder ();
  42                 public StringBuilder StandardError { get; set; } = new StringBuilder ();
  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 string FilterInvalidXmlChars (string text) {
  63                         return Regex.Replace (text, @"[^\x09\x0A\x0D\x20-\uD7FF\uE000-\uFFFD\u10000-\u10FFFF]", string.Empty);
  64                 }
  65
  66                 static int Main ()
  67                 {
  68                         var depDir = Path.Combine ("..", "external", "benchmarker");
  69                         var benchDir = Path.Combine (depDir, "benchmarks");
  70                         var testDir = Path.Combine (depDir, "tests");
  71
  72                         var benchmarks = Directory.EnumerateFiles (benchDir, "*.benchmark")
  73                                          .Select (Benchmark.Load)
  74                                          .Where (b => !b.OnlyExplicit && b.ClientCommandLine == null)
  75                                          .OrderBy (b => b.Name)
  76                                          .ToArray ();
  77
  78                         var monoPath = Path.GetFullPath (Path.Combine ("..", "..", "runtime", "mono-wrapper"));
  79                         var classDir = Path.GetFullPath (Path.Combine ("..", "..", "mcs", "class", "lib", "net_4_x"));
  80
  81                         var rand = new Random ();
  82                         var cpus = Environment.ProcessorCount;
  83
  84                         var results = new List<TestResult> (benchmarks.Length);
  85
  86                         var sw = Stopwatch.StartNew ();
  87
  88                         for (var i = 0; i < benchmarks.Length; i++) {
  89                                 var bench = benchmarks [i];
  90
  91                                 var sampleFreq = rand.Next (-1000, 1001);
  92                                 var sampleMode = rand.Next (0, 2) == 1 ? "-real" : string.Empty;
  93                                 var maxSamples = rand.Next (0, cpus * 2000 + 1);
  94                                 var heapShotFreq = rand.Next (-10, 11);
  95                                 var maxFrames = rand.Next (0, 33);
  96                                 var options = _options.ToDictionary (x => x, _ => rand.Next (0, 2) == 1)
  97                                                       .Select (x => (x.Value ? string.Empty : "no") + x.Key)
  98                                                       .ToArray ();
  99
 100                                 var profOptions = $"maxframes={maxFrames},{string.Join (",", options)},output=/dev/null";
 101
 102                                 if (sampleFreq > 0)
 103                                         profOptions += $",sample{sampleMode}={sampleFreq},maxsamples={maxSamples}";
 104
 105                                 if (heapShotFreq > 0)
 106                                         profOptions += $",heapshot={heapShotFreq}gc";
 107
 108                                 var info = new ProcessStartInfo {
 109                                         UseShellExecute = false,
 110                                         WorkingDirectory = Path.Combine (testDir, bench.TestDirectory),
 111                                         FileName = monoPath,
 112                                         Arguments = $"--debug --profile=log:{profOptions} " + string.Join (" ", bench.CommandLine),
 113                                         RedirectStandardOutput = true,
 114                                         RedirectStandardError = true,
 115                                 };
 116
 117                                 info.EnvironmentVariables.Clear ();
 118                                 info.EnvironmentVariables.Add ("MONO_PATH", classDir);
 119
 120                                 var progress = $"({i + 1}/{benchmarks.Length})";
 121
 122                                 Console.ForegroundColor = ConsoleColor.Blue;
 123                                 Console.WriteLine ($"[{sw.Elapsed.ToString ("G")}] {progress} Running {bench.Name} with profiler options: {profOptions}");
 124                                 Console.ResetColor ();
 125
 126                                 var result = new TestResult {
 127                                         Benchmark = bench,
 128                                         StartInfo = info,
 129                                 };
 130
 131                                 using (var proc = new Process ()) {
 132                                         proc.StartInfo = info;
 133
 134                                         proc.OutputDataReceived += (sender, args) => {
 135                                                 if (args.Data != null)
 136                                                         result.StandardOutput.AppendLine (args.Data);
 137                                         };
 138
 139                                         proc.ErrorDataReceived += (sender, args) => {
 140                                                 if (args.Data != null)
 141                                                         result.StandardError.AppendLine (args.Data);
 142                                         };
 143
 144                                         result.Stopwatch.Start ();
 145
 146                                         proc.Start ();
 147
 148                                         proc.BeginOutputReadLine ();
 149                                         proc.BeginErrorReadLine ();
 150
 151                                         if (!proc.WaitForExit ((int) _timeout.TotalMilliseconds)) {
 152                                                 // Force a thread dump.
 153                                                 Syscall.kill (proc.Id, Signum.SIGQUIT);
 154                                                 Thread.Sleep (1000);
 155
 156                                                 try {
 157                                                         proc.Kill ();
 158                                                 } catch (Exception) {
 159                                                 }
 160                                         } else
 161                                                 result.ExitCode = proc.ExitCode;
 162
 163                                         result.Stopwatch.Stop ();
 164                                 }
 165
 166                                 var resultStr = result.ExitCode == null ? "timed out" : $"exited with code: {result.ExitCode}";
 167
 168                                 Console.ForegroundColor = result.ExitCode != 0 ? ConsoleColor.Red : ConsoleColor.Green;
 169                                 Console.WriteLine ($"[{sw.Elapsed.ToString ("G")}] {progress} {bench.Name} took {result.Stopwatch.Elapsed.ToString ("G")} and {resultStr}");
 170                                 Console.ResetColor ();
 171
 172                                 if (result.ExitCode != 0) {
 173                                         Console.ForegroundColor = ConsoleColor.Red;
 174                                         Console.WriteLine ("===== stdout =====");
 175                                         Console.ResetColor ();
 176
 177                                         Console.WriteLine (result.StandardOutput.ToString ());
 178
 179                                         Console.ForegroundColor = ConsoleColor.Red;
 180                                         Console.WriteLine ("===== stderr =====");
 181                                         Console.ResetColor ();
 182
 183                                         Console.WriteLine (result.StandardError.ToString ());
 184                                 }
 185
 186                                 results.Add (result);
 187                         }
 188
 189                         sw.Stop ();
 190
 191                         var successes = results.Count (r => r.ExitCode == 0);
 192                         var failures = results.Count (r => r.ExitCode != null && r.ExitCode != 0);
 193                         var timeouts = results.Count (r => r.ExitCode == null);
 194
 195                         var settings = new XmlWriterSettings {
 196                                 NewLineOnAttributes = true,
 197                                 Indent = true,
 198                         };
 199
 200                         using (var writer = XmlWriter.Create ("TestResult-profiler-stress.xml", settings)) {
 201                                 writer.WriteStartDocument ();
 202                                 writer.WriteComment ("This file represents the results of running a test suite");
 203
 204                                 writer.WriteStartElement ("test-results");
 205                                 writer.WriteAttributeString ("name", "profiler-stress-tests.dummy");
 206                                 writer.WriteAttributeString ("total", results.Count.ToString ());
 207                                 writer.WriteAttributeString ("failures", failures.ToString ());
 208                                 writer.WriteAttributeString ("not-run", "0");
 209                                 writer.WriteAttributeString ("date", DateTime.Now.ToString ("yyyy-MM-dd"));
 210                                 writer.WriteAttributeString ("time", DateTime.Now.ToString ("HH:mm:ss"));
 211
 212                                 writer.WriteStartElement ("environment");
 213                                 writer.WriteAttributeString ("nunit-version", "2.4.8.0");
 214                                 writer.WriteAttributeString ("clr-version", Environment.Version.ToString ());
 215                                 writer.WriteAttributeString ("os-version", Environment.OSVersion.ToString ());
 216                                 writer.WriteAttributeString ("platform", Environment.OSVersion.Platform.ToString ());
 217                                 writer.WriteAttributeString ("cwd", Environment.CurrentDirectory);
 218                                 writer.WriteAttributeString ("machine-name", Environment.MachineName);
 219                                 writer.WriteAttributeString ("user", Environment.UserName);
 220                                 writer.WriteAttributeString ("user-domain", Environment.UserDomainName);
 221                                 writer.WriteEndElement ();
 222
 223                                 writer.WriteStartElement ("culture-info");
 224                                 writer.WriteAttributeString ("current-culture", CultureInfo.CurrentCulture.Name);
 225                                 writer.WriteAttributeString ("current-uiculture", CultureInfo.CurrentUICulture.Name);
 226                                 writer.WriteEndElement ();
 227
 228                                 writer.WriteStartElement ("test-suite");
 229                                 writer.WriteAttributeString ("name", "profiler-stress-tests.dummy");
 230                                 writer.WriteAttributeString ("success", (failures + timeouts == 0).ToString ());
 231                                 writer.WriteAttributeString ("time", ((int) sw.Elapsed.TotalSeconds).ToString ());
 232                                 writer.WriteAttributeString ("asserts", (failures + timeouts).ToString ());
 233                                 writer.WriteStartElement ("results");
 234
 235                                 writer.WriteStartElement ("test-suite");
 236                                 writer.WriteAttributeString ("name", "MonoTests");
 237                                 writer.WriteAttributeString ("success", (failures + timeouts == 0).ToString ());
 238                                 writer.WriteAttributeString ("time", ((int) sw.Elapsed.TotalSeconds).ToString ());
 239                                 writer.WriteAttributeString ("asserts", (failures + timeouts).ToString ());
 240                                 writer.WriteStartElement ("results");
 241
 242                                 writer.WriteStartElement ("test-suite");
 243                                 writer.WriteAttributeString ("name", "profiler-stress");
 244                                 writer.WriteAttributeString ("success", (failures + timeouts == 0).ToString ());
 245                                 writer.WriteAttributeString ("time", ((int) sw.Elapsed.TotalSeconds).ToString ());
 246                                 writer.WriteAttributeString ("asserts", (failures + timeouts).ToString ());
 247                                 writer.WriteStartElement ("results");
 248
 249                                 foreach (var result in results) {
 250                                         var timeoutStr = result.ExitCode == null ? "_timeout" : string.Empty;
 251
 252                                         writer.WriteStartElement ("test-case");
 253                                         writer.WriteAttributeString ("name", $"MonoTests.profiler-stress.{result.Benchmark.Name}{timeoutStr}");
 254                                         writer.WriteAttributeString ("executed", "True");
 255                                         writer.WriteAttributeString ("success", (result.ExitCode == 0).ToString ());
 256                                         writer.WriteAttributeString ("time", ((int) result.Stopwatch.Elapsed.TotalSeconds).ToString ());
 257                                         writer.WriteAttributeString ("asserts", result.ExitCode == 0 ? "0" : "1");
 258
 259                                         if (result.ExitCode != 0) {
 260                                                 writer.WriteStartElement ("failure");
 261
 262                                                 writer.WriteStartElement ("message");
 263                                                 writer.WriteCData (FilterInvalidXmlChars (result.StandardOutput.ToString ()));
 264                                                 writer.WriteEndElement ();
 265
 266                                                 writer.WriteStartElement ("stack-trace");
 267                                                 writer.WriteCData (FilterInvalidXmlChars (result.StandardError.ToString ()));
 268                                                 writer.WriteEndElement ();
 269
 270                                                 writer.WriteEndElement ();
 271                                         }
 272
 273                                         writer.WriteEndElement ();
 274                                 }
 275
 276                                 writer.WriteEndElement ();
 277                                 writer.WriteEndElement ();
 278
 279                                 writer.WriteEndElement ();
 280                                 writer.WriteEndElement ();
 281
 282                                 writer.WriteEndElement ();
 283                                 writer.WriteEndElement ();
 284
 285                                 writer.WriteEndElement ();
 286
 287                                 writer.WriteEndDocument ();
 288                         }
 289
 290                         var failureStr = failures + timeouts != 0 ? $" ({failures} failures, {timeouts} timeouts)" : string.Empty;
 291
 292                         Console.ForegroundColor = failures + timeouts != 0 ? ConsoleColor.Red : ConsoleColor.Green;
 293                         Console.WriteLine ($"[{sw.Elapsed.ToString ("G")}] Finished with {successes}/{results.Count} passing tests{failureStr}");
 294                         Console.ResetColor ();
 295
 296                         return failures + timeouts;
 297                 }
 298         }
 299 }