Wrap DoDecompileEvent(IMethod...)

ICSharpCode.Decompiler/CSharp/CSharpDecompiler.cs

@@ -1429,6 +1429,9 @@ namespace ICSharpCode.Decompiler.CSharp
 		EntityDeclaration DoDecompile(IMethod method, DecompileRun decompileRun, ITypeResolveContext decompilationContext)
 		{
 			Debug.Assert(decompilationContext.CurrentMember == method);
+			var watch = System.Diagnostics.Stopwatch.StartNew();
+			try
+			{
 				var typeSystemAstBuilder = CreateAstBuilder(decompileRun.Settings);
 				var methodDecl = typeSystemAstBuilder.ConvertEntity(method);
 				int lastDot = method.Name.LastIndexOf('.');
@@ -1467,6 +1470,12 @@ namespace ICSharpCode.Decompiler.CSharp
 				}
 				return methodDecl;
 			}
+			finally
+			{
+				watch.Stop();
+				Instrumentation.DecompilerEventSource.Log.DoDecompileMethod(method.FullName, watch.ElapsedMilliseconds);
+			}
+		}
 
 		private bool IsCovariantReturnOverride(IEntity entity)
 		{

ICSharpCode.Decompiler/Instrumentation/DecompilerEventSource.cs

@@ -1,5 +1,4 @@
-using System;
-using System.Diagnostics.Tracing;
+using System.Diagnostics.Tracing;
 
 namespace ICSharpCode.Decompiler.Instrumentation
 {
@@ -30,6 +29,12 @@ namespace ICSharpCode.Decompiler.Instrumentation
 			WriteEvent(4, typeDefName, elapsedMilliseconds);
 		}
 
+		[Event(5, Level = EventLevel.Informational)]
+		public void DoDecompileMethod(string methodName, long elapsedMilliseconds)
+		{
+			WriteEvent(5, methodName, elapsedMilliseconds);
+		}
+
 		public static DecompilerEventSource Log = new DecompilerEventSource();
 	}