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  1. Qt
  2. QTBUG-52937

qqmlprofilerservice wastes memory

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Details

    • 154375f200a63bb81c654deb9f041ff057e34025 434750f1a6cd78b595933210f41e1bf3ab3bd51b a2e64a20777867726b51a9c9196dc1b8dd68f512 1ee7efac496d893cea9e5310d249275fe1532f2a

    Description

      As the heaptrack trace in QTCREATORBUG-14983 shows, we are creating many equal, but unshared strings for the source locations in the profiling data. That leads to an immense memory footprint, even for rather small applications.

      The trace:

      PEAK MEMORY CONSUMERS

WARNING - the data below is not an accurate calcuation of the total peak consumption and can easily be wrong.
 For an accurate overview, disable backtrace merging.
6.65GB peak memory consumed over 87872422 calls from
QArrayData::allocate(unsigned long, unsigned long, unsigned long, QFlags<>)
  in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
1.52GB consumed over 7852625 calls from:
    QString::QString(QChar const*, int)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
    QV4::Profiling::FunctionCall::resolve() const
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QV4::Profiling::Profiler::reportData()
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QMetaObject::activate(QObject*, int, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
    QQmlAbstractProfilerAdapter::stopProfiling()
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlProfilerServiceImpl::stopProfiling(QJSEngine*)
      in /home/ulf/dev/qt5.7/qtbase/plugins/qmltooling/libqmldbg_profiler.so
    QQmlProfilerServiceImpl::engineAboutToBeRemoved(QJSEngine*)
      in /home/ulf/dev/qt5.7/qtbase/plugins/qmltooling/libqmldbg_profiler.so
    QQmlDebugServerImpl::removeEngine(QJSEngine*)
      in /home/ulf/dev/qt5.7/qtbase/plugins/qmltooling/libqmldbg_server.so
    QQmlApplicationEngine::~QQmlApplicationEngine()
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    main
      in /home/ulf/dev/build-tableviewtest-5_7-Profile/tableviewtest
1.07GB consumed over 2 calls from:
    QVector<>::reallocData(int, int, QFlags<>)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QVector<>::append(QQmlProfilerData&&)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlBinding::update(QFlags<>)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlBinding::expressionChanged()
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QMetaObject::activate(QObject*, int, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
    QQmlDelegateModel::_q_itemsMoved(int, int, int)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlDelegateModel::_q_layoutChanged(QList<> const&, QAbstractItemModel::LayoutChangeHint)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlDelegateModel::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlDelegateModel::qt_metacall(QMetaObject::Call, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QMetaObject::activate(QObject*, int, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
    QAbstractItemModel::layoutChanged(QList<> const&, QAbstractItemModel::LayoutChangeHint)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
    QSortFilterProxyModelPrivate::sort()
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
    QSortFilterProxyModel::sort(int, Qt::SortOrder)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
    SimpleProxyModel::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)
      in /home/ulf/dev/build-tableviewtest-5_7-Profile/tableviewtest
    SimpleProxyModel::qt_metacall(QMetaObject::Call, int, void**)
      in /home/ulf/dev/build-tableviewtest-5_7-Profile/tableviewtest
    QV4::QObjectWrapper::setProperty(QV4::ExecutionEngine*, QObject*, QQmlPropertyData*, QV4::Value const&)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QV4::QObjectWrapper::setQmlProperty(QV4::ExecutionEngine*, QQmlContextData*, QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, QV4::Value const&)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QV4::QObjectWrapper::put(QV4::Managed*, QV4::String*, QV4::Value const&)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QV4::Runtime::setProperty(QV4::ExecutionEngine*, QV4::Value const&, int, QV4::Value const&)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    0x7fe8d8f9d0e5
      in ??
    QV4::SimpleScriptFunction::call(QV4::Managed const*, QV4::CallData*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlBoundSignalExpression::evaluate(void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlBoundSignal_callback(QQmlNotifierEndpoint*, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QMetaObject::activate(QObject*, int, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
    QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QV4::QObjectWrapper::setProperty(QV4::ExecutionEngine*, QObject*, QQmlPropertyData*, QV4::Value const&)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QV4::QObjectWrapper::setQmlProperty(QV4::ExecutionEngine*, QQmlContextData*, QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, QV4::Value const&)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QV4::QmlContextWrapper::put(QV4::Managed*, QV4::String*, QV4::Value const&)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QV4::ExecutionContext::setProperty(QV4::String*, QV4::Value const&)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QV4::Runtime::setActivationProperty(QV4::ExecutionEngine*, int, QV4::Value const&)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    0x7fe8d8fdb9c7
      in ??
    QV4::SimpleScriptFunction::call(QV4::Managed const*, QV4::CallData*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlBoundSignalExpression::evaluate(void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlBoundSignal_callback(QQmlNotifierEndpoint*, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QMetaObject::activate(QObject*, int, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
    QQuickMouseArea::clicked(QQuickMouseEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Quick.so.5
    QQuickMouseArea::setPressed(Qt::MouseButton, bool, Qt::MouseEventSource)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Quick.so.5
    QQuickMouseArea::mouseReleaseEvent(QMouseEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Quick.so.5
    QQuickItem::event(QEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Quick.so.5
    QApplicationPrivate::notify_helper(QObject*, QEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Widgets.so.5
    QApplication::notify(QObject*, QEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Widgets.so.5
    QCoreApplication::notifyInternal2(QObject*, QEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
    QQuickWindow::sendEvent(QQuickItem*, QEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Quick.so.5
    QQuickWindowPrivate::deliverMouseEvent(QMouseEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Quick.so.5
    QQuickWindow::mouseReleaseEvent(QMouseEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Quick.so.5
    QWindow::event(QEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Gui.so.5
    QQuickWindow::event(QEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Quick.so.5
    QApplicationPrivate::notify_helper(QObject*, QEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Widgets.so.5
    QApplication::notify(QObject*, QEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Widgets.so.5
    QCoreApplication::notifyInternal2(QObject*, QEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
    QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Gui.so.5
    QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Gui.so.5
1.07GB consumed over 1 calls from:
    QVector<>::reallocData(int, int, QFlags<>)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlProfiler::reportData()
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlProfiler::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QMetaObject::activate(QObject*, int, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
    QQmlAbstractProfilerAdapter::stopProfiling()
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlProfilerServiceImpl::stopProfiling(QJSEngine*)
      in /home/ulf/dev/qt5.7/qtbase/plugins/qmltooling/libqmldbg_profiler.so
    QQmlProfilerServiceImpl::engineAboutToBeRemoved(QJSEngine*)
      in /home/ulf/dev/qt5.7/qtbase/plugins/qmltooling/libqmldbg_profiler.so
    QQmlDebugServerImpl::removeEngine(QJSEngine*)
      in /home/ulf/dev/qt5.7/qtbase/plugins/qmltooling/libqmldbg_server.so
    QQmlApplicationEngine::~QQmlApplicationEngine()
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    main
      in /home/ulf/dev/build-tableviewtest-5_7-Profile/tableviewtest
840.01MB consumed over 4347900 calls from:
    QString::QString(QChar const*, int)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
    QV4::FunctionObject::sourceLocation() const
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlBinding::update(QFlags<>)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlBinding::expressionChanged()
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QMetaObject::activate(QObject*, int, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
    QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlBinding::write(QQmlPropertyData const&, QV4::Value const&, bool, QFlags<>)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlBinding::update(QFlags<>)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlBinding::expressionChanged()
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QMetaObject::activate(QObject*, int, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
    QQmlDelegateModel::_q_itemsMoved(int, int, int)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlDelegateModel::_q_layoutChanged(QList<> const&, QAbstractItemModel::LayoutChangeHint)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlDelegateModel::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlDelegateModel::qt_metacall(QMetaObject::Call, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QMetaObject::activate(QObject*, int, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
    QAbstractItemModel::layoutChanged(QList<> const&, QAbstractItemModel::LayoutChangeHint)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
    QSortFilterProxyModelPrivate::sort()
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
    QSortFilterProxyModel::sort(int, Qt::SortOrder)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
    SimpleProxyModel::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)
      in /home/ulf/dev/build-tableviewtest-5_7-Profile/tableviewtest
    SimpleProxyModel::qt_metacall(QMetaObject::Call, int, void**)
      in /home/ulf/dev/build-tableviewtest-5_7-Profile/tableviewtest
    QV4::QObjectWrapper::setProperty(QV4::ExecutionEngine*, QObject*, QQmlPropertyData*, QV4::Value const&)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QV4::QObjectWrapper::setQmlProperty(QV4::ExecutionEngine*, QQmlContextData*, QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, QV4::Value const&)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QV4::QObjectWrapper::put(QV4::Managed*, QV4::String*, QV4::Value const&)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QV4::Runtime::setProperty(QV4::ExecutionEngine*, QV4::Value const&, int, QV4::Value const&)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    0x7fe8d8f9d0e5
      in ??
    QV4::SimpleScriptFunction::call(QV4::Managed const*, QV4::CallData*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlBoundSignalExpression::evaluate(void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlBoundSignal_callback(QQmlNotifierEndpoint*, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QMetaObject::activate(QObject*, int, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
    QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QV4::QObjectWrapper::setProperty(QV4::ExecutionEngine*, QObject*, QQmlPropertyData*, QV4::Value const&)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QV4::QObjectWrapper::setQmlProperty(QV4::ExecutionEngine*, QQmlContextData*, QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, QV4::Value const&)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QV4::QmlContextWrapper::put(QV4::Managed*, QV4::String*, QV4::Value const&)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QV4::ExecutionContext::setProperty(QV4::String*, QV4::Value const&)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QV4::Runtime::setActivationProperty(QV4::ExecutionEngine*, int, QV4::Value const&)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    0x7fe8d8fdb9c7
      in ??
    QV4::SimpleScriptFunction::call(QV4::Managed const*, QV4::CallData*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlBoundSignalExpression::evaluate(void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlBoundSignal_callback(QQmlNotifierEndpoint*, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QMetaObject::activate(QObject*, int, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
    QQuickMouseArea::clicked(QQuickMouseEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Quick.so.5
    QQuickMouseArea::setPressed(Qt::MouseButton, bool, Qt::MouseEventSource)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Quick.so.5
    QQuickMouseArea::mouseReleaseEvent(QMouseEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Quick.so.5
    QQuickItem::event(QEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Quick.so.5
    QApplicationPrivate::notify_helper(QObject*, QEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Widgets.so.5
    QApplication::notify(QObject*, QEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Widgets.so.5
    QCoreApplication::notifyInternal2(QObject*, QEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
    QQuickWindow::sendEvent(QQuickItem*, QEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Quick.so.5
    QQuickWindowPrivate::deliverMouseEvent(QMouseEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Quick.so.5
    QQuickWindow::mouseReleaseEvent(QMouseEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Quick.so.5
536.87MB consumed over 2 calls from:
    QVector<>::reallocData(int, int, QFlags<>)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QVector<>::append(QQmlProfilerData&&)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlBinding::update(QFlags<>)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlBinding::expressionChanged()
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QMetaObject::activate(QObject*, int, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
    QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlBinding::write(QQmlPropertyData const&, QV4::Value const&, bool, QFlags<>)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlBinding::update(QFlags<>)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlBinding::expressionChanged()
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QMetaObject::activate(QObject*, int, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
    QQmlDelegateModel::_q_itemsMoved(int, int, int)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlDelegateModel::_q_layoutChanged(QList<> const&, QAbstractItemModel::LayoutChangeHint)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlDelegateModel::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlDelegateModel::qt_metacall(QMetaObject::Call, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QMetaObject::activate(QObject*, int, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
    QAbstractItemModel::layoutChanged(QList<> const&, QAbstractItemModel::LayoutChangeHint)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
    QSortFilterProxyModelPrivate::sort()
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
    QSortFilterProxyModel::sort(int, Qt::SortOrder)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
    SimpleProxyModel::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)
      in /home/ulf/dev/build-tableviewtest-5_7-Profile/tableviewtest
    SimpleProxyModel::qt_metacall(QMetaObject::Call, int, void**)
      in /home/ulf/dev/build-tableviewtest-5_7-Profile/tableviewtest
    QV4::QObjectWrapper::setProperty(QV4::ExecutionEngine*, QObject*, QQmlPropertyData*, QV4::Value const&)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QV4::QObjectWrapper::setQmlProperty(QV4::ExecutionEngine*, QQmlContextData*, QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, QV4::Value const&)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QV4::QObjectWrapper::put(QV4::Managed*, QV4::String*, QV4::Value const&)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QV4::Runtime::setProperty(QV4::ExecutionEngine*, QV4::Value const&, int, QV4::Value const&)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    0x7fe8d8f9d0e5
      in ??
    QV4::SimpleScriptFunction::call(QV4::Managed const*, QV4::CallData*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlBoundSignalExpression::evaluate(void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlBoundSignal_callback(QQmlNotifierEndpoint*, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QMetaObject::activate(QObject*, int, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
    QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QV4::QObjectWrapper::setProperty(QV4::ExecutionEngine*, QObject*, QQmlPropertyData*, QV4::Value const&)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QV4::QObjectWrapper::setQmlProperty(QV4::ExecutionEngine*, QQmlContextData*, QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, QV4::Value const&)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QV4::QmlContextWrapper::put(QV4::Managed*, QV4::String*, QV4::Value const&)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QV4::ExecutionContext::setProperty(QV4::String*, QV4::Value const&)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QV4::Runtime::setActivationProperty(QV4::ExecutionEngine*, int, QV4::Value const&)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    0x7fe8d8fdb9c7
      in ??
    QV4::SimpleScriptFunction::call(QV4::Managed const*, QV4::CallData*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlBoundSignalExpression::evaluate(void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlBoundSignal_callback(QQmlNotifierEndpoint*, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Qml.so.5
    QMetaObject::activate(QObject*, int, int, void**)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
    QQuickMouseArea::clicked(QQuickMouseEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Quick.so.5
    QQuickMouseArea::setPressed(Qt::MouseButton, bool, Qt::MouseEventSource)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Quick.so.5
    QQuickMouseArea::mouseReleaseEvent(QMouseEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Quick.so.5
    QQuickItem::event(QEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Quick.so.5
    QApplicationPrivate::notify_helper(QObject*, QEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Widgets.so.5
    QApplication::notify(QObject*, QEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Widgets.so.5
    QCoreApplication::notifyInternal2(QObject*, QEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Core.so.5
    QQuickWindow::sendEvent(QQuickItem*, QEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Quick.so.5
    QQuickWindowPrivate::deliverMouseEvent(QMouseEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Quick.so.5
    QQuickWindow::mouseReleaseEvent(QMouseEvent*)
      in /home/ulf/dev/qt5.7/qtbase/lib/libQt5Quick.so.5
  and 1.61GB from 13911 other places

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          Bug - A problem which impairs or prevents the functions of the product. QTCREATORBUG-14983 scrolling / interaction with QML profiler is sluggish

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed
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              ulherman Ulf Hermann
              ulherman Ulf Hermann
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                Created:
                Updated:
                Resolved:

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