Build nanotrace profiling by default

And enable its availability for startup performance measurement.
Makes it possible to run with `-trace <filepath>`, creating a CTF for
startup performance, without requiring a special QtC build.

Usage in QmlDesigner/DesignStudio is guarded by an additional
DESIGNSTUDIO_USE_NANOTRACE CMake option (default off), since that adds a
menu item that should usually not be shown.

Change-Id: I87200745cc32f256bcaaba21f139b4104459e49a
Reviewed-by: hjk <hjk@qt.io>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Knud Dollereder <knud.dollereder@qt.io>

src/libs/nanotrace/CMakeLists.txt

@@ -1,5 +1,4 @@
 add_qtc_library(Nanotrace
-  BUILD_DEFAULT OFF
   PUBLIC_DEFINES NANOTRACE_ENABLED
   SOURCES
     nanotraceglobals.h
@@ -10,3 +9,10 @@ add_qtc_library(Nanotrace
     CXX_VISIBILITY_PRESET default
     VISIBILITY_INLINES_HIDDEN OFF
 )
+
+option(DESIGNSTUDIO_USE_NANOTRACE
+       "Enables collecting performance data with nanotrace for Design Studio" OFF)
+extend_qtc_library(Nanotrace
+  CONDITION DESIGN_STUDIO_USE_NANOTRACE
+  PUBLIC_DEFINES NANOTRACE_DESIGNSTUDIO_ENABLED
+)

src/libs/qmlpuppetcommunication/interfaces/nodeinstanceglobal.h

@@ -54,7 +54,7 @@ enum class View3DActionType {
 
 constexpr bool isNanotraceEnabled()
 {
-#ifdef NANOTRACE_ENABLED
+#ifdef NANOTRACE_DESIGNSTUDIO_ENABLED
     return true;
 #else
     return false;

src/plugins/qmldesigner/designercore/instances/baseconnectionmanager.cpp

@@ -106,7 +106,7 @@ void BaseConnectionManager::readDataStream(Connection &connection)
         in >> command;
         connection.blockSize = 0;
 
-#ifdef NANOTRACE_ENABLED
+#ifdef NANOTRACE_DESIGNSTUDIO_ENABLED
         if (command.typeId() != QMetaType::type("PuppetAliveCommand")) {
             if (command.typeId() == QMetaType::type("SyncNanotraceCommand")) {
                 SyncNanotraceCommand cmd = command.value<SyncNanotraceCommand>();

src/plugins/qmldesigner/designercore/instances/nodeinstanceserverproxy.cpp

@@ -172,7 +172,7 @@ QString NodeInstanceServerProxy::qrcMappingString() const
 
 void NodeInstanceServerProxy::writeCommand(const QVariant &command)
 {
-#ifdef NANOTRACE_ENABLED
+#ifdef NANOTRACE_DESIGNSTUDIO_ENABLED
     if (command.typeId() == QMetaType::type("SyncNanotraceCommand")) {
         SyncNanotraceCommand cmd = command.value<SyncNanotraceCommand>();
         NANOTRACE_INSTANT_ARGS("Sync", "writeCommand",

src/tools/qml2puppet/instances/nodeinstanceclientproxy.cpp

@@ -58,7 +58,7 @@
 
 // Nanotrace headers are not exported to build dir at all if the feature is disabled, so
 // runtime puppet build can't find them.
-#if NANOTRACE_ENABLED
+#if NANOTRACE_DESIGNSTUDIO_ENABLED
 #include "nanotrace/nanotrace.h"
 #else
 #define NANOTRACE_INIT(process, thread, filepath)
@@ -185,7 +185,7 @@ void NodeInstanceClientProxy::writeCommand(const QVariant &command)
             exit(-1);
         }
     } else if (m_outputIoDevice) {
-#ifdef NANOTRACE_ENABLED
+#ifdef NANOTRACE_DESIGNSTUDIO_ENABLED
         if (command.typeId() != QMetaType::type("PuppetAliveCommand")) {
             if (command.typeId() == QMetaType::type("SyncNanotraceCommand")) {
                 SyncNanotraceCommand cmd = command.value<SyncNanotraceCommand>();
@@ -390,7 +390,7 @@ void NodeInstanceClientProxy::readDataStream()
         static quint32 blockSize = 0;
 
         QVariant command = readCommandFromIOStream(m_inputIoDevice, &readCommandCounter, &blockSize);
-#ifdef NANOTRACE_ENABLED
+#ifdef NANOTRACE_DESIGNSTUDIO_ENABLED
         if (command.typeId() != QMetaType::type("EndNanotraceCommand")) {
             if (command.typeId() == QMetaType::type("SyncNanotraceCommand")) {
                 SyncNanotraceCommand cmd = command.value<SyncNanotraceCommand>();

src/tools/qml2puppet/qml2puppet/instances/nodeinstanceserver.cpp

@@ -50,7 +50,7 @@
 
 // Nanotrace headers are not exported to build dir at all if the feature is disabled, so
 // runtime puppet build can't find them.
-#if NANOTRACE_ENABLED
+#if NANOTRACE_DESIGNSTUDIO_ENABLED
 #include "nanotrace/nanotrace.h"
 #else
 #define NANOTRACE_SCOPE(cat, name)

src/tools/qml2puppet/qml2puppet/instances/qt5nodeinstanceserver.cpp

@@ -19,7 +19,7 @@
 
 // Nanotrace headers are not exported to build dir at all if the feature is disabled, so
 // runtime puppet build can't find them.
-#if NANOTRACE_ENABLED
+#if NANOTRACE_DESIGNSTUDIO_ENABLED
 #include "nanotrace/nanotrace.h"
 #else
 #define NANOTRACE_SCOPE(cat, name)