1  futex_abstimed_wait_cancelable                                                                                                                                   futex-internal.h        320  0x7ffff64f57d1 
2  __pthread_cond_wait_common                                                                                                                                       pthread_cond_wait.c     520  0x7ffff64f57d1 
3  __pthread_cond_timedwait                                                                                                                                         pthread_cond_wait.c     665  0x7ffff64f57d1 
4  QWaitConditionPrivate::wait_relative                                                                                                                             qwaitcondition_unix.cpp 137  0x7ffff6c65a4a 
5  QWaitConditionPrivate::wait                                                                                                                                      qwaitcondition_unix.cpp 145  0x7ffff6c65a4a 
6  QWaitCondition::wait                                                                                                                                             qwaitcondition_unix.cpp 220  0x7ffff6c65a4a 
7  QWaitCondition::wait                                                                                                                                             qwaitcondition_unix.cpp 208  0x7ffff6c65b47 
8  QXcbEventQueue::waitForNewEvents                                                                                                                                 qxcbeventqueue.cpp      362  0x7ffff2fa44ef 
9  QXcbClipboard::waitForClipboardEvent                                                                                                                             qxcbclipboard.cpp       815  0x7ffff2f7fa83 
10 QXcbClipboard::getSelection                                                                                                                                      qxcbclipboard.cpp       906  0x7ffff2f7ff48 
11 QXcbClipboard::getDataInFormat                                                                                                                                   qxcbatom.h              251  0x7ffff2f8300e 
12 QXcbClipboardMime::formats_sys                                                                                                                                   qxcbclipboard.cpp       100  0x7ffff2f8300e 
13 QInternalMimeData::formats                                                                                                                                       qinternalmimedata.cpp   98   0x7ffff7174576 
14 QXcbClipboardMime::hasFormat_sys                                                                                                                                 qxcbclipboard.cpp       122  0x7ffff2f824aa 
15 QInternalMimeData::hasFormat                                                                                                                                     qinternalmimedata.cpp   85   0x7ffff7174716 
16 operator()                                                                                                                                                       main.cpp                27   0x55555555657f 
17 QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, main(int, char * *)::<lambda()>>::call(struct {...} &, void * *)                       qobjectdefs_impl.h      146  0x555555556c06 
18 QtPrivate::Functor<main(int, char * *)::<lambda()>, 0>::call<QtPrivate::List<>, void>(struct {...} &, void *, void * *)                                          qobjectdefs_impl.h      256  0x555555556b7f 
19 QtPrivate::QFunctorSlotObject<main(int, char * *)::<lambda()>, 0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void * *, bool *) qobjectdefs_impl.h      420  0x555555556b24 
20 QtPrivate::QSlotObjectBase::call                                                                                                                                 qobjectdefs_impl.h      375  0x7ffff6b4358b 
21 doActivate<false>                                                                                                                                                qobject.cpp             3843 0x7ffff6b4358b 
22 QMetaObject::activate                                                                                                                                            qobject.cpp             3903 0x7ffff6b3b15f 
23 QClipboard::dataChanged                                                                                                                                          moc_qclipboard.cpp      189  0x7ffff70b7263 
24 QClipboard::emitChanged                                                                                                                                          qclipboard.cpp          577  0x7ffff71451d5 
25 QPlatformClipboard::emitChanged                                                                                                                                  qplatformclipboard.cpp  125  0x7ffff717a863 
26 QPlatformClipboard::emitChanged                                                                                                                                  qplatformclipboard.cpp  122  0x7ffff717a863 
27 ??                                                                                                                                                                                            0x55555560b050 
28 get_thread_data                                                                                                                                                  qthread_unix.cpp        207  0x7ffff6c5c7b6 
29 QThreadData::current                                                                                                                                             qthread_unix.cpp        207  0x7ffff6c5c7b6 
30 ??                                                                                                                                                                                            0x57           
31 ??