Fix for profiler test arm64

src/tests/profiler/common/ProfilerTestRunner.cs

@@ -52,7 +52,7 @@ public static int Run(string profileePath,
                 if (loadAsNotification)
                 {
                     StringBuilder builder = new StringBuilder();
-                    for(int i = 0; i < notificationCopies; ++i)
+                    for (int i = 0; i < notificationCopies; ++i)
                     {
                         builder.Append(profilerPath);
                         builder.Append("=");
@@ -94,13 +94,11 @@ public static int Run(string profileePath,
 
             envVars.Add("Profiler_Test_Name", testName);
 
-            if(!File.Exists(profilerPath))
+            if (!File.Exists(profilerPath))
             {
                 FailFastWithMessage("Profiler library not found at expected path: " + profilerPath);
             }
 
-            ProfileeOutputVerifier verifier = new ProfileeOutputVerifier();
-
             Process process = new Process();
             process.StartInfo.FileName = program;
             process.StartInfo.Arguments = arguments;
@@ -117,15 +115,10 @@ public static int Run(string profileePath,
                 process.StartInfo.EnvironmentVariables[key] = envVars[key];
             }
 
-            process.OutputDataReceived += (sender, args) =>
-            {
-                Console.WriteLine(args.Data);
-                verifier.WriteLine(args.Data);
-            };
             process.Start();
+            ProfileeOutputVerifier verifier = new ProfileeOutputVerifier(process.StandardOutput);
 
-            process.BeginOutputReadLine();
-
+            verifier.VerifyOutput();
             process.WaitForExit();
 
             // There are two conditions for profiler tests to pass, the output of the profiled program
@@ -198,21 +191,26 @@ class ProfileeOutputVerifier
             private volatile bool _hasPassingOutput;
 
             public string SuccessPhrase = "PROFILER TEST PASSES";
-            public bool HasPassingOutput => _hasPassingOutput;
+            private StreamReader standardOutput;
 
-            public void WriteLine(string message)
+            public ProfileeOutputVerifier(StreamReader standardOutput)
             {
-                if (message != null && message.Contains(SuccessPhrase))
-                {
-                    _hasPassingOutput = true;
-                }
+                this.standardOutput = standardOutput;
             }
 
-            public void WriteLine(string format, params object[] args)
+            public bool HasPassingOutput => _hasPassingOutput;
+
+            internal void VerifyOutput()
             {
-                if (string.Format(format,args).Contains(SuccessPhrase))
+                string line;
+                while ((line = standardOutput.ReadLine()) != null)
                 {
-                    _hasPassingOutput = true;
+                    if (line.Contains(SuccessPhrase))
+                    {
+                        _hasPassingOutput = true;
+                    }
+
+                    Console.WriteLine($"Profilee STDOUT: {line}");
                 }
             }
         }

src/tests/profiler/multiple/multiple.cs

@@ -10,16 +10,17 @@ namespace Profiler.Tests
 {
     class MultiplyLoaded
     {
-        static readonly Guid MultipleProfilerGuid = new Guid("BFA8EF13-E144-49B9-B95C-FC1C150C7651");
-        static readonly string ProfilerPath = ProfilerTestRunner.GetProfilerPath();
+        private static readonly Guid MultipleProfilerGuid = new Guid("BFA8EF13-E144-49B9-B95C-FC1C150C7651");
+        private static readonly string ProfilerPath = ProfilerTestRunner.GetProfilerPath();
 
         [DllImport("Profiler")]
         private static extern void PassCallbackToProfiler(ProfilerCallback callback);
 
         public static int RunTest(String[] args)
         {
-            ManualResetEvent _profilerDone = new ManualResetEvent(false);
-            PassCallbackToProfiler(() => _profilerDone.Set());
+            ManualResetEvent profilerDone = new ManualResetEvent(false);
+            ProfilerCallback profilerDoneDelegate = () => profilerDone.Set();
+            PassCallbackToProfiler(profilerDoneDelegate);
 
             ProfilerControlHelpers.AttachProfilerToSelf(MultipleProfilerGuid, ProfilerPath);
 
@@ -35,11 +36,12 @@ public static int RunTest(String[] args)
             }
 
             Console.WriteLine("Waiting for profilers to all detach");
-            if (!_profilerDone.WaitOne(TimeSpan.FromMinutes(5)))
+            if (!profilerDone.WaitOne(TimeSpan.FromMinutes(5)))
             {
                 throw new Exception("Test timed out waiting for the profilers to set the callback, test will fail.");
             }
 
+            GC.KeepAlive(profilerDoneDelegate);
             return 100;
         }
 

src/tests/profiler/native/multiple/multiple.cpp

@@ -57,11 +57,14 @@ HRESULT MultiplyLoaded::ProfilerDetachSucceeded()
     ++_detachCount;
 
     printf("ProfilerDetachSucceeded _detachCount=%d\n", _detachCount.load());
-    if (_detachCount == MAX_PROFILERS
-        &&  _exceptionThrownSeenCount >= MAX_PROFILERS
-        &&  _failures == 0)
+    if (_detachCount == MAX_PROFILERS)
     {
-        printf("PROFILER TEST PASSES\n");
+        if (_exceptionThrownSeenCount >= MAX_PROFILERS &&  _failures == 0)
+        {
+            printf("PROFILER TEST PASSES\n");
+            fflush(stdout);
+        }
+
         NotifyManagedCodeViaCallback(pCorProfilerInfo);
     }
 

src/tests/profiler/unittest/releaseondetach.cs

@@ -15,7 +15,7 @@ class ReleaseOnShutdown
 
         [DllImport("Profiler")]
         private static extern void PassCallbackToProfiler(ProfilerCallback callback);
-        
+
         public unsafe static int RunTest(string[] args)
         {
             string profilerName;
@@ -35,16 +35,18 @@ public unsafe static int RunTest(string[] args)
             string rootPath = Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location);
             string profilerPath = Path.Combine(rootPath, profilerName);
 
-            ManualResetEvent _profilerDone = new ManualResetEvent(false);
             Console.WriteLine($"Attaching profiler {profilerPath} to self.");
             ProfilerControlHelpers.AttachProfilerToSelf(ReleaseOnShutdownGuid, profilerPath);
 
-            PassCallbackToProfiler(() => _profilerDone.Set());
-            if (!_profilerDone.WaitOne(TimeSpan.FromMinutes(5)))
+            ManualResetEvent profilerDone = new ManualResetEvent(false);
+            ProfilerCallback profilerDoneDelegate = () => profilerDone.Set();
+            PassCallbackToProfiler(profilerDoneDelegate);
+            if (!profilerDone.WaitOne(TimeSpan.FromMinutes(5)))
             {
                 Console.WriteLine("Profiler did not set the callback, test will fail.");
             }
 
+            GC.KeepAlive(profilerDoneDelegate);
             return 100;
         }