QmlDesiger: Add tracing to meta info

Change-Id: I0ef7b061c729e6ad161db77a03f375f4452ad273
Reviewed-by: Qt CI Patch Build Bot <ci_patchbuild_bot@qt.io>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

src/plugins/qmldesigner/CMakeLists.txt

@@ -27,6 +27,10 @@ env_with_default("QTC_ENABLE_MODEL_TRACING" ENV_QTC_ENABLE_MODEL_TRACING OFF)
 option(ENABLE_MODEL_TRACING "Enable model tracing" ${ENV_QTC_ENABLE_MODEL_TRACING})
 add_feature_info("Model tracing" ${ENABLE_MODEL_TRACING} "")
 
+env_with_default("QTC_ENABLE_METAINFO_TRACING" ENV_QTC_ENABLE_METAINFO_TRACING OFF)
+option(ENABLE_METAINFO_TRACING "Enable meta info tracing" ${ENV_QTC_ENABLE_METAINFO_TRACING})
+add_feature_info("Meta info tracing" ${ENABLE_METAINFO_TRACING} "")
+
 add_qtc_library(QmlDesignerUtils STATIC
   DEPENDS
     Qt::Gui Utils Qt::QmlPrivate
@@ -99,7 +103,7 @@ add_qtc_library(QmlDesignerCore STATIC
 )
 
 extend_qtc_library(QmlDesignerCore
-  CONDITION ENABLE_PROJECT_STORAGE_TRACING OR ENABLE_IMAGE_CACHE_TRACING OR ENABLE_MODEL_TRACING
+  CONDITION ENABLE_PROJECT_STORAGE_TRACING OR ENABLE_IMAGE_CACHE_TRACING OR ENABLE_MODEL_TRACING OR ENABLE_METAINFO_TRACING
   PUBLIC_DEPENDS Nanotrace
   PUBLIC_DEFINES
     ENABLE_QMLDESIGNER_TRACING
@@ -107,6 +111,7 @@ extend_qtc_library(QmlDesignerCore
     $<$<BOOL:${ENABLE_PROJECT_STORAGE_TRACING}>:ENABLE_PROJECT_STORAGE_TRACING>
     $<$<BOOL:${ENABLE_IMAGE_CACHE_TRACING}>:ENABLE_IMAGE_CACHE_TRACING>
     $<$<BOOL:${ENABLE_MODEL_TRACING}>:ENABLE_MODEL_TRACING>
+    $<$<BOOL:${ENABLE_METAINFO_TRACING}>:ENABLE_METAINFO_TRACING>
 )
 
 extend_qtc_library(QmlDesignerCore

src/plugins/qmldesigner/designercore/tracing/qmldesignertracing.cpp

@@ -88,4 +88,13 @@ Category &projectStorageUpdaterCategory()
 
 } // namespace ProjectStorageTracing
 
+namespace MetaInfoTracing {
+Category &category()
+{
+    thread_local Category category_{"meta info"_t, Tracing::eventQueueWithStringArguments(), category};
+
+    return category_;
+}
+} // namespace MetaInfoTracing
+
 } // namespace QmlDesigner

src/plugins/qmldesigner/designercore/tracing/qmldesignertracing.h

@@ -62,4 +62,20 @@ using Category = NanotraceHR::StringViewWithStringArgumentsCategory<projectStora
 [[gnu::pure]] Category &projectStorageUpdaterCategory();
 
 } // namespace ProjectStorageTracing
+
+namespace MetaInfoTracing {
+constexpr NanotraceHR::Tracing tracingStatus()
+{
+#ifdef ENABLE_METAINFO_TRACING
+    return NanotraceHR::Tracing::IsEnabled;
+#else
+    return NanotraceHR::Tracing::IsDisabled;
+#endif
+}
+
+using Category = NanotraceHR::StringViewWithStringArgumentsCategory<tracingStatus()>;
+
+[[gnu::pure]] Category &category();
+
+} // namespace MetaInfoTracing
 } // namespace QmlDesigner