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Add missing _exit tracepoints for event handling

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This allows tools that look for matching `foo_entry/exit` pairs in the
trace data to work properly. An unmatched `_entry` would otherwise
confuse them, making them think that the call stack is continuously
increasing.

Change-Id: Idff7f587ea25c46ec86ad623cc82d503db34a194
Reviewed-by: Christoph Sterz <christoph.sterz@kdab.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
This commit is contained in:
Milian Wolff 2019-03-27 14:00:21 +01:00
parent 127518deda
commit f4c41b9797
4 changed files with 6 additions and 3 deletions
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4
src/corelib/kernel/qcoreapplication.cpp
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@ -1197,7 +1197,7 @@ bool QCoreApplicationPrivate::notify_helper(QObject *receiver, QEvent * event)
{
// Note: when adjusting the tracepoints in here
// consider adjusting QApplicationPrivate::notify_helper too.
Q_TRACE(QCoreApplication_notify_entry, receiver, event, event->type());
Q_TRACE_SCOPE(QCoreApplication_notify, receiver, event, event->type());
// send to all application event filters (only does anything in the main thread)
if (QCoreApplication::self
@ -1489,7 +1489,7 @@ bool QCoreApplication::sendSpontaneousEvent(QObject *receiver, QEvent *event)
*/
void QCoreApplication::postEvent(QObject *receiver, QEvent *event, int priority)
{
Q_TRACE(QCoreApplication_postEvent_entry, receiver, event, event->type());
Q_TRACE_SCOPE(QCoreApplication_postEvent, receiver, event, event->type());
if (receiver == 0) {
qWarning("QCoreApplication::postEvent: Unexpected null receiver");

2
src/corelib/qtcore.tracepoints
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@ -16,6 +16,7 @@ QEvent_ctor(QEvent *event, int type)
QEvent_dtor(QEvent *event, int type)
QCoreApplication_postEvent_entry(QObject *receiver, QEvent *event, int type)
QCoreApplication_postEvent_exit(QObject *receiver, QEvent *event, int type)
QCoreApplication_postEvent_event_compressed(QObject *receiver, QEvent *event)
QCoreApplication_postEvent_event_posted(QObject *receiver, QEvent *event, int type)
@ -23,6 +24,7 @@ QCoreApplication_sendEvent(QObject *receiver, QEvent *event, int type)
QCoreApplication_sendSpontaneousEvent(QObject *receiver, QEvent *event, int type)
QCoreApplication_notify_entry(QObject *receiver, QEvent *event, int type)
QCoreApplication_notify_exit(QObject *receiver, QEvent *event, int type)
QCoreApplication_notify_event_filtered(QObject *receiver, QEvent *event, int type)
QCoreApplication_notify_before_delivery(QObject *receiver, QEvent *event, int type)
QCoreApplication_notify_after_delivery(QObject *receiver, QEvent *event, int type, bool consumed)

2
src/widgets/kernel/qapplication.cpp
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@ -3697,7 +3697,7 @@ bool QApplicationPrivate::notify_helper(QObject *receiver, QEvent * e)
// to the ones in QCoreApplicationPrivate::notify_helper; the reason for their
// duplication is because tracepoint symbols are not exported by QtCore.
// If you adjust the tracepoints here, consider adjusting QCoreApplicationPrivate too.
Q_TRACE(QApplication_notify_entry, receiver, e, e->type());
Q_TRACE_SCOPE(QApplication_notify, receiver, e, e->type());
// send to all application event filters
if (threadRequiresCoreApplication()

1
src/widgets/qtwidgets.tracepoints
View File

@ -5,6 +5,7 @@ QT_END_NAMESPACE
}
QApplication_notify_entry(QObject *receiver, QEvent *event, int type)
QApplication_notify_exit(QObject *receiver, QEvent *event, int type)
QApplication_notify_event_filtered(QObject *receiver, QEvent *event, int type)
QApplication_notify_before_delivery(QObject *receiver, QEvent *event, int type)
QApplication_notify_after_delivery(QObject *receiver, QEvent *event, int type, bool consumed)