Initial work to port EventPipe library to NativeAOT

src/coreclr/nativeaot/BuildIntegration/Microsoft.NETCore.Native.Unix.targets

@@ -44,13 +44,17 @@ The .NET Foundation licenses this file to you under the MIT license.
 
       <IlcRPath Condition="'$(IlcRPath)' == '' and '$(TargetOS)' != 'osx'">$ORIGIN</IlcRPath>
       <IlcRPath Condition="'$(IlcRPath)' == '' and '$(TargetOS)' == 'osx'">@executable_path</IlcRPath>
+
+      <EventPipeName>libeventpipe-disabled</EventPipeName>
+      <EventPipeName Condition="'$(EnableNativeEventPipe)' == 'true'">libeventpipe-enabled</EventPipeName>
     </PropertyGroup>
 
     <ItemGroup>
       <NativeLibrary Condition="'$(IlcMultiModule)' == 'true'" Include="$(SharedLibrary)" />
       <NativeLibrary Condition="'$(NativeLib)' == ''" Include="$(IlcSdkPath)libbootstrapper.a" />
       <NativeLibrary Condition="'$(NativeLib)' != ''" Include="$(IlcSdkPath)libbootstrapperdll.a" />
       <NativeLibrary Include="$(IlcSdkPath)$(FullRuntimeName).a" />
+      <NativeLibrary Include="$(IlcSdkPath)$(EventPipeName)$(LibFileExt)" />
       <NativeLibrary Condition="'$(LinkStandardCPlusPlusLibrary)' != 'true' and '$(StaticICULinking)' != 'true'" Include="$(IlcSdkPath)libstdc++compat.a" />
       <NativeLibrary Condition="'$(StaticNumaLinking)' == 'true'" Include="$(IlcSdkPath)libnumasupportstatic.a" />
       <NativeLibrary Condition="'$(StaticNumaLinking)' != 'true'" Include="$(IlcSdkPath)libnumasupportdynamic.a" />

src/coreclr/nativeaot/BuildIntegration/Microsoft.NETCore.Native.Windows.targets

@@ -25,6 +25,8 @@ The .NET Foundation licenses this file to you under the MIT license.
     <EntryPointSymbol Condition="'$(EntryPointSymbol)' == ''">wmainCRTStartup</EntryPointSymbol>
     <LinkerSubsystem Condition="'$(OutputType)' == 'WinExe' and '$(LinkerSubsystem)' == ''">WINDOWS</LinkerSubsystem>
     <LinkerSubsystem Condition="'$(OutputType)' == 'Exe' and '$(LinkerSubsystem)' == ''">CONSOLE</LinkerSubsystem>
+    <EventPipeName>eventpipe-disabled</EventPipeName>
+    <EventPipeName Condition="'$(EnableNativeEventPipe)' == 'true'">eventpipe-enabled</EventPipeName>
   </PropertyGroup>
 
   <!-- Ensure that runtime-specific paths have already been set -->
@@ -33,6 +35,7 @@ The .NET Foundation licenses this file to you under the MIT license.
     <ItemGroup>
       <NativeLibrary Include="$(IlcSdkPath)$(BootstrapperName)$(LibrarySuffix)" />
       <NativeLibrary Include="$(IlcSdkPath)$(FullRuntimeName)$(LibrarySuffix)" />
+      <NativeLibrary Include="$(IlcSdkPath)$(EventPipeName)$(LibrarySuffix)" />
       <NativeLibrary Condition="'$(IlcMultiModule)' == 'true'" Include="$(SharedLibrary)" />
     </ItemGroup>
 

src/coreclr/nativeaot/Directory.Build.props

@@ -65,6 +65,14 @@
   <PropertyGroup>
     <DefineConstants Condition="'$(FeatureObjCMarshal)' == 'true'">FEATURE_OBJCMARSHAL;$(DefineConstants)</DefineConstants>
   </PropertyGroup>
+  <PropertyGroup>
+    <FeaturePerfTracing>false</FeaturePerfTracing>
+    <FeaturePerfTracing Condition="'$(TargetsWindows)' == 'true'">true</FeaturePerfTracing>
+  </PropertyGroup>
+  <PropertyGroup>
+    <DefineConstants Condition="'$(FeaturePerfTracing)' == 'true'">FEATURE_PERFTRACING;$(DefineConstants)</DefineConstants>
+  </PropertyGroup>
+
 
   <!-- Platform specific properties -->
   <PropertyGroup Condition="'$(Platform)' == 'x64'">

src/coreclr/nativeaot/Runtime/CMakeLists.txt

@@ -207,6 +207,14 @@ list(APPEND RUNTIME_SOURCES_ARCH_ASM
 convert_to_absolute_path(ARCH_SOURCES_DIR ${ARCH_SOURCES_DIR})
 include_directories(${ARCH_SOURCES_DIR})
 
+if(NOT CLR_CMAKE_TARGET_ARCH_WASM)
+  set(FEATURE_PERFTRACING 1)
+endif()
+
+if(FEATURE_PERFTRACING)
+  add_definitions(-DFEATURE_PERFTRACING)
+endif()
+
 add_definitions(-DFEATURE_BASICFREEZE)
 add_definitions(-DFEATURE_CONSERVATIVE_GC)
 add_definitions(-DFEATURE_USE_SOFTWARE_WRITE_WATCH_FOR_GC_HEAP)
@@ -263,6 +271,10 @@ else()
   add_subdirectory(Portable)
 endif()
 
+if(FEATURE_PERFTRACING)
+  add_subdirectory(eventpipe)
+endif()
+
 if (CLR_CMAKE_TARGET_UNIX)
   add_library(numasupportdynamic STATIC ${GC_DIR}/unix/numasupport.dynamic.cpp)
   install_static_library(numasupportdynamic aotsdk nativeaot)

src/coreclr/nativeaot/Runtime/DisabledEventPipeInterface.cpp

@@ -0,0 +1,12 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+void EventPipeAdapter_Initialize() {}
+
+bool DiagnosticServerAdapter_Initialize() { return false; }
+void DiagnosticServerAdapter_PauseForDiagnosticsMonitor() {}
+
+void EventPipeAdapter_FinishInitialize() {}
+
+void EventPipeAdapter_Shutdown() {}
+bool DiagnosticServerAdapter_Shutdown() { return false; }