Details
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Bug
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Resolution: Duplicate
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Not Evaluated
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None
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5.11, 5.12.0
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None
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OS Version: Mac OS X 10.14.2 (Build 18C54)
Description
Just run "easing curve example" and make spindump.
217 __CFRunLoopRun + 1219 (CoreFoundation + 242782) [0x7fff2b72745e] 209 __CFRunLoopDoSources0 + 195 (CoreFoundation + 245429) [0x7fff2b727eb5] 209 __CFRunLoopDoSource0 + 108 (CoreFoundation + 361499) [0x7fff2b74441b] 209 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17 (CoreFoundation + 361589) [0x7fff2b744475] 207 QCocoaEventDispatcherPrivate::postedEventsSourceCallback(void*) + 32 (libqcocoa.dylib + 196560) [0x106512fd0] 207 QCocoaEventDispatcherPrivate::processPostedEvents() + 313 (libqcocoa.dylib + 194393) [0x106512759] 207 QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) + 878 (QtCore + 2075694) [0x100ddac2e] 207 QCoreApplication::notifyInternal2(QObject*, QEvent*) + 212 (QtCore + 2071028) [0x100dd99f4] 207 QApplication::notify(QObject*, QEvent*) + 594 (QtWidgets + 71410) [0x10010f6f2] 207 QApplicationPrivate::notify_helper(QObject*, QEvent*) + 269 (QtWidgets + 66285) [0x10010e2ed] 207 QObject::event(QEvent*) + 753 (QtCore + 2241201) [0x100e032b1] 201 QGraphicsScenePrivate::_q_processDirtyItems() + 1042 (QtWidgets + 3372274) [0x1004354f2] 201 QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) + 878 (QtCore + 2075694) [0x100ddac2e] 201 QCoreApplication::notifyInternal2(QObject*, QEvent*) + 212 (QtCore + 2071028) [0x100dd99f4] 200 QApplication::notify(QObject*, QEvent*) + 594 (QtWidgets + 71410) [0x10010f6f2] 199 QApplicationPrivate::notify_helper(QObject*, QEvent*) + 269 (QtWidgets + 66285) [0x10010e2ed] 199 QWidget::event(QEvent*) + 1645 (QtWidgets + 312125) [0x10014a33d] 189 QWidgetBackingStore::doSync() + 4100 (QtWidgets + 121012) [0x10011b8b4] 189 QBackingStore::beginPaint(QRegion const&) + 350 (QtGui + 1803646) [0x10085657e] 187 QRasterBackingStore::beginPaint(QRegion const&) + 387 (libqcocoa.dylib + 1103715) [0x1065f0763] 187 QPainter::QPainter(QPaintDevice*) + 242 (QtGui + 2528930) [0x1009076a2] 186 QPainter::begin(QPaintDevice*) + 167 (QtGui + 2529111) [0x100907757] 186 QImage::detach() + 103 (QtGui + 526823) [0x10071e9e7] 186 QImage::copy(QRect const&) const + 1547 (QtGui + 525899) [0x10071e64b] 183 _platform_memmove$VARIANT$Haswell + 41 (libsystem_platform.dylib + 7433) [0x7fff58b50d09] *153 hndl_alltraps + 223 (kernel + 1424303) [0xffffff800035bbaf] *104 user_trap + 405 (kernel + 2991557) [0xffffff80004da5c5] *42 ??? (kernel + 2334472) [0xffffff8000439f08] *38 vm_fault_enter + 3857 (kernel + 2326737) [0xffffff80004380d1] *12 pmap_enter_options + 1769 (kernel + 2858265) [0xffffff80004b9d19] *7 pmap_flush_tlbs + 1613 (kernel + 2837789) [0xffffff80004b4d1d] (running) *2 pmap_flush_tlbs + 1627 (kernel + 2837803) [0xffffff80004b4d2b] (running) *2 pmap_flush_tlbs + 1622 (kernel + 2837798) [0xffffff80004b4d26] (running) *1 pmap_flush_tlbs + 317 (kernel + 2836493) [0xffffff80004b480d] (running) *4 pmap_enter_options + 3336 (kernel + 2859832) [0xffffff80004ba338] (running) *3 pmap_enter_options + 1361 (kernel + 2857857) [0xffffff80004b9b81] (running) *2 pmap_enter_options + 3324 (kernel + 2859820) [0xffffff80004ba32c] (running) *2 pmap_enter_options + 1868 (kernel + 2858364) [0xffffff80004b9d7c] (running) *2 pmap_enter_options + 1393 (kernel + 2857889) [0xffffff80004b9ba1] (running) *2 pmap_enter_options + 1197 (kernel + 2857693) [0xffffff80004b9add] (running) *2 pmap_enter_options + 415 (kernel + 2856911) [0xffffff80004b97cf] *2 usimple_lock + 47 (kernel + 2945919) [0xffffff80004cf37f] *2 hw_lock_to + 48 (kernel + 1829216) [0xffffff80003be960] (running)
The same problem: https://community.rstudio.com/t/rstudio-desktop-and-qtwebengineprocess-on-macos-using-very-much-cpu/21181
Attachments
Issue Links
- duplicates
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QTBUG-71162 Layer-backed backingstore flush copies whole backingstore on each flush
- Closed