Add user_events support for the native runtime events

src/coreclr/dlls/mscoree/coreclr/CMakeLists.txt

@@ -174,6 +174,14 @@ if(FEATURE_EVENT_TRACE)
     endif(CLR_CMAKE_HOST_UNIX)
 endif(FEATURE_EVENT_TRACE)
 
+if(FEATURE_PERFTRACING)
+    if(CLR_CMAKE_TARGET_LINUX)
+        list(APPEND CORECLR_LIBRARIES
+            usereventsprovider
+        )
+    endif(CLR_CMAKE_TARGET_LINUX)
+endif(FEATURE_PERFTRACING)
+
 if(FEATURE_MERGE_JIT_AND_ENGINE)
     set(CLRJIT_STATIC clrjit_static)
 endif(FEATURE_MERGE_JIT_AND_ENGINE)

src/coreclr/inc/clrconfigvalues.h

@@ -690,6 +690,11 @@ RETAIL_CONFIG_DWORD_INFO(INTERNAL_EventPipeProcNumbers, W("EventPipeProcNumbers"
 RETAIL_CONFIG_DWORD_INFO(INTERNAL_EventPipeOutputStreaming, W("EventPipeOutputStreaming"), 1, "Enable/disable streaming for trace file set in DOTNET_EventPipeOutputPath.  Non-zero values enable streaming.")
 RETAIL_CONFIG_DWORD_INFO(INTERNAL_EventPipeEnableStackwalk, W("EventPipeEnableStackwalk"), 1, "Set to 0 to disable collecting stacks for EventPipe events.")
 
+//
+// UserEvents
+//
+RETAIL_CONFIG_DWORD_INFO(INTERNAL_EnableUserEvents, W("EnableUserEvents"), 0, "Enable/disable writing events to user_events.  Non-zero values enable tracing.")
+
 #ifdef FEATURE_AUTO_TRACE
 RETAIL_CONFIG_DWORD_INFO_EX(INTERNAL_AutoTrace_N_Tracers, W("AutoTrace_N_Tracers"), 0, "", CLRConfig::LookupOptions::ParseIntegerAsBase10)
 RETAIL_CONFIG_STRING_INFO(INTERNAL_AutoTrace_Command, W("AutoTrace_Command"), "")