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aggregated caller/callee view #5

Closed
milianw opened this issue Dec 23, 2016 · 0 comments
Closed

aggregated caller/callee view #5

milianw opened this issue Dec 23, 2016 · 0 comments
Labels
enhancement
Milestone
v1.0.0

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@milianw
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milianw commented Dec 23, 2016

Performance call graph data should also be displayed in a way similar to what KCachegrind does, or what VTune shows in it's caller/callee view:

  • aggregate data by symbol name
  • add one entry per symbol to a flat table view showing inclusive/exclusive cost
@milianw milianw added this to the v1.0.0 milestone Dec 23, 2016
nwrogers added a commit to nwrogers/hotspot that referenced this issue Feb 14, 2017
@nwrogers
Add Caller / Callee functionality, Fixes KDAB#5
9ff9a7c
@nwrogers nwrogers mentioned this issue Feb 14, 2017
Merged
nwrogers added a commit to nwrogers/hotspot that referenced this issue Feb 14, 2017
@nwrogers
Add Caller / Callee functionality, Fixes KDAB#5
bef3835
nwrogers added a commit to nwrogers/hotspot that referenced this issue Feb 14, 2017
@nwrogers
Implement logic to perfparser to aggregate by symbol the caller/callee
58f6c14 
performance results from the perf data.  Add support to GUI to display
the results in a table view with a new callercalleemodel. Fixes KDAB#5
nwrogers added a commit to nwrogers/hotspot that referenced this issue Feb 15, 2017
@nwrogers
Implement logic to perfparser to aggregate by symbol the caller/callee
ea96a5e 
performance results from the perf data.  Add support to GUI to display
the results in a table view with a new callercalleemodel. Fixes KDAB#5
nwrogers added a commit to nwrogers/hotspot that referenced this issue Feb 15, 2017
@nwrogers
Implement logic to perfparser to aggregate by symbol the caller/callee
c9a750d 
performance results from the perf data.  Add support to GUI to display
the results in a table view with a new callercalleemodel. Fixes KDAB#5
nwrogers added a commit to nwrogers/hotspot that referenced this issue Feb 16, 2017
@nwrogers
Implement logic to perfparser to aggregate by symbol the caller/callee
34381e8 
performance results from the perf data.  Add support to GUI to display
the results in a table view with a new callercalleemodel. Fixes KDAB#5
nwrogers added a commit to nwrogers/hotspot that referenced this issue Feb 16, 2017
@nwrogers
Implement logic to perfparser to aggregate by symbol the caller/callee
02830eb 
performance results from the perf data.  Add support to GUI to display
the results in a table view with a new callercalleemodel and add a small
qtest to test the model. Fixes KDAB#5
nwrogers added a commit to nwrogers/hotspot that referenced this issue Feb 17, 2017
@nwrogers
Implement logic to perfparser to aggregate by symbol the caller/callee
c405136 
performance results from the perf data.  Add support to GUI to display
the results in a table view with a new callercalleemodel and add a small
qtest to test the model. Fixes KDAB#5
@DannyBoyKN DannyBoyKN mentioned this issue Oct 5, 2017
Closed
@kecsap kecsap mentioned this issue Mar 29, 2018
Closed
milianw added a commit that referenced this issue Jun 25, 2022
@milianw
Don't call static function through instance
590d7bc 
Also fixes UBSAN warning:
```
/home/milian/projects/kdab/rnd/hotspot/tests/modeltests/tst_callgraphgenerator.cpp:95:39: runtime error: downcast of address 0x7ffc49b7e3d0 which does not point to an object of type 'QApplication'
0x7ffc49b7e3d0: note: object is of type 'QCoreApplication'
 00 00 00 80  b0 16 f1 cb 9b 7f 00 00  c0 33 02 00 e0 60 00 00  00 00 00 00 00 00 00 00  00 00 00 00
              ^~~~~~~~~~~~~~~~~~~~~~~
              vptr for 'QCoreApplication'
    #0 0x561bbb751a01 in TestCallgraphGenerator::callerCalleeResults(QString const&) /home/milian/projects/kdab/rnd/hotspot/tests/modeltests/tst_callgraphgenerator.cpp:95
    #1 0x561bbb74f1d2 in TestCallgraphGenerator::testParent() /home/milian/projects/kdab/rnd/hotspot/tests/modeltests/tst_callgraphgenerator.cpp:42
    #2 0x561bbb7408a2 in TestCallgraphGenerator::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) /home/milian/projects/kdab/rnd/hotspot/build-dev-asan/tests/modeltests/tst_callgraphgenerator_autogen/include/tst_callgraphgenerator.moc:79
    #3 0x7f9bcbc9c23d in QMetaMethod::invoke(QObject*, Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) const (/usr/lib/libQt5Core.so.5+0x29c23d)
    #4 0x7f9bce529a6b in QTest::qRun() (/usr/lib/libQt5Test.so.5+0x1ba6b)
    #5 0x7f9bce52ac40 in QTest::qExec(QObject*, int, char**) (/usr/lib/libQt5Test.so.5+0x1cc40)
    #6 0x561bbb7401fe in main /home/milian/projects/kdab/rnd/hotspot/tests/modeltests/tst_callgraphgenerator.cpp:130
    #7 0x7f9bcaa2928f  (/usr/lib/libc.so.6+0x2928f)
    #8 0x7f9bcaa29349 in __libc_start_main (/usr/lib/libc.so.6+0x29349)
    #9 0x561bbb6fb344 in _start (/home/milian/projects/kdab/rnd/hotspot/build-dev-asan/tests/modeltests/tst_callgraphgenerator+0x6c2344)
```
milianw added a commit that referenced this issue Jun 26, 2022
@milianw
Don't call static function through instance
1569df7 
Also fixes UBSAN warning:
```
/home/milian/projects/kdab/rnd/hotspot/tests/modeltests/tst_callgraphgenerator.cpp:95:39: runtime error: downcast of address 0x7ffc49b7e3d0 which does not point to an object of type 'QApplication'
0x7ffc49b7e3d0: note: object is of type 'QCoreApplication'
 00 00 00 80  b0 16 f1 cb 9b 7f 00 00  c0 33 02 00 e0 60 00 00  00 00 00 00 00 00 00 00  00 00 00 00
              ^~~~~~~~~~~~~~~~~~~~~~~
              vptr for 'QCoreApplication'
    #0 0x561bbb751a01 in TestCallgraphGenerator::callerCalleeResults(QString const&) /home/milian/projects/kdab/rnd/hotspot/tests/modeltests/tst_callgraphgenerator.cpp:95
    #1 0x561bbb74f1d2 in TestCallgraphGenerator::testParent() /home/milian/projects/kdab/rnd/hotspot/tests/modeltests/tst_callgraphgenerator.cpp:42
    #2 0x561bbb7408a2 in TestCallgraphGenerator::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) /home/milian/projects/kdab/rnd/hotspot/build-dev-asan/tests/modeltests/tst_callgraphgenerator_autogen/include/tst_callgraphgenerator.moc:79
    #3 0x7f9bcbc9c23d in QMetaMethod::invoke(QObject*, Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) const (/usr/lib/libQt5Core.so.5+0x29c23d)
    #4 0x7f9bce529a6b in QTest::qRun() (/usr/lib/libQt5Test.so.5+0x1ba6b)
    #5 0x7f9bce52ac40 in QTest::qExec(QObject*, int, char**) (/usr/lib/libQt5Test.so.5+0x1cc40)
    #6 0x561bbb7401fe in main /home/milian/projects/kdab/rnd/hotspot/tests/modeltests/tst_callgraphgenerator.cpp:130
    #7 0x7f9bcaa2928f  (/usr/lib/libc.so.6+0x2928f)
    #8 0x7f9bcaa29349 in __libc_start_main (/usr/lib/libc.so.6+0x29349)
    #9 0x561bbb6fb344 in _start (/home/milian/projects/kdab/rnd/hotspot/build-dev-asan/tests/modeltests/tst_callgraphgenerator+0x6c2344)
```
milianw added a commit that referenced this issue Jun 26, 2022
@milianw
Don't call static function through instance
635a16e 
Also fixes UBSAN warning:
```
/home/milian/projects/kdab/rnd/hotspot/tests/modeltests/tst_callgraphgenerator.cpp:95:39: runtime error: downcast of address 0x7ffc49b7e3d0 which does not point to an object of type 'QApplication'
0x7ffc49b7e3d0: note: object is of type 'QCoreApplication'
 00 00 00 80  b0 16 f1 cb 9b 7f 00 00  c0 33 02 00 e0 60 00 00  00 00 00 00 00 00 00 00  00 00 00 00
              ^~~~~~~~~~~~~~~~~~~~~~~
              vptr for 'QCoreApplication'
    #0 0x561bbb751a01 in TestCallgraphGenerator::callerCalleeResults(QString const&) /home/milian/projects/kdab/rnd/hotspot/tests/modeltests/tst_callgraphgenerator.cpp:95
    #1 0x561bbb74f1d2 in TestCallgraphGenerator::testParent() /home/milian/projects/kdab/rnd/hotspot/tests/modeltests/tst_callgraphgenerator.cpp:42
    #2 0x561bbb7408a2 in TestCallgraphGenerator::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) /home/milian/projects/kdab/rnd/hotspot/build-dev-asan/tests/modeltests/tst_callgraphgenerator_autogen/include/tst_callgraphgenerator.moc:79
    #3 0x7f9bcbc9c23d in QMetaMethod::invoke(QObject*, Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) const (/usr/lib/libQt5Core.so.5+0x29c23d)
    #4 0x7f9bce529a6b in QTest::qRun() (/usr/lib/libQt5Test.so.5+0x1ba6b)
    #5 0x7f9bce52ac40 in QTest::qExec(QObject*, int, char**) (/usr/lib/libQt5Test.so.5+0x1cc40)
    #6 0x561bbb7401fe in main /home/milian/projects/kdab/rnd/hotspot/tests/modeltests/tst_callgraphgenerator.cpp:130
    #7 0x7f9bcaa2928f  (/usr/lib/libc.so.6+0x2928f)
    #8 0x7f9bcaa29349 in __libc_start_main (/usr/lib/libc.so.6+0x29349)
    #9 0x561bbb6fb344 in _start (/home/milian/projects/kdab/rnd/hotspot/build-dev-asan/tests/modeltests/tst_callgraphgenerator+0x6c2344)
```
@dionysus1016 dionysus1016 mentioned this issue Apr 3, 2024
Closed
lievenhey added a commit that referenced this issue Jun 7, 2024
@lievenhey
fix: crash if hotspot is closed while loading a file
d8427be 
The crash is caused because the destructor is called in one thread while
other threads still execute. This patch waits in the destructor till all
threads terminate.

Backtrace:
==91946==ERROR: AddressSanitizer: heap-use-after-free on address 0x513000001bb9 at pc 0x5555566c3173 bp 0x7fffca5fe900 sp 0x7fffca5fe8f0
READ of size 1 at 0x513000001bb9 thread T25 (GlobalQueue[06])
    #0 0x5555566c3172 in std::__atomic_base<bool>::load(std::memory_order) const /usr/include/c++/14.1.1/bits/atomic_base.h:501
    #1 0x5555566c3172 in std::atomic<bool>::operator bool() const /usr/include/c++/14.1.1/atomic:92
    #2 0x55555667846a in operator() /home/lieven/KDAB/hotspot/src/parsers/perf/perfparser.cpp:1684
    #3 0x5555566c10bc in call /usr/include/qt/QtCore/qobjectdefs_impl.h:146
    #4 0x5555566b9353 in call<QtPrivate::List<QProcess::ProcessError>, void> /usr/include/qt/QtCore/qobjectdefs_impl.h:256
    #5 0x5555566b1239 in impl /usr/include/qt/QtCore/qobjectdefs_impl.h:443
    #6 0x7ffff46df99d  (/usr/lib/libQt5Core.so.5+0x2df99d) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #7 0x7ffff4630793 in QProcess::errorOccurred(QProcess::ProcessError) (/usr/lib/libQt5Core.so.5+0x230793) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #8 0x7ffff462c846  (/usr/lib/libQt5Core.so.5+0x22c846) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #9 0x7ffff4630f6c  (/usr/lib/libQt5Core.so.5+0x230f6c) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #10 0x7ffff46df961  (/usr/lib/libQt5Core.so.5+0x2df961) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #11 0x7ffff46e096d in QSocketNotifier::activated(QSocketDescriptor, QSocketNotifier::Type, QSocketNotifier::QPrivateSignal) (/usr/lib/libQt5Core.so.5+0x2e096d) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #12 0x7ffff46e0aa4 in QSocketNotifier::event(QEvent*) (/usr/lib/libQt5Core.so.5+0x2e0aa4) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #13 0x7ffff5d56330 in QApplicationPrivate::notify_helper(QObject*, QEvent*) (/usr/lib/libQt5Widgets.so.5+0x156330) (BuildId: 254b52226c3f04da1b93d83e86adb3e3cffb6f76)
    #14 0x7ffff46ab967 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (/usr/lib/libQt5Core.so.5+0x2ab967) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #15 0x7ffff46f8f0d  (/usr/lib/libQt5Core.so.5+0x2f8f0d) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #16 0x7ffff2314a88  (/usr/lib/libglib-2.0.so.0+0x5ca88) (BuildId: 8880230af7e37f2edbd90b79170aead80dde617a)
    #17 0x7ffff23769b6  (/usr/lib/libglib-2.0.so.0+0xbe9b6) (BuildId: 8880230af7e37f2edbd90b79170aead80dde617a)
    #18 0x7ffff2313f94 in g_main_context_iteration (/usr/lib/libglib-2.0.so.0+0x5bf94) (BuildId: 8880230af7e37f2edbd90b79170aead80dde617a)
    #19 0x7ffff46fa27e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (/usr/lib/libQt5Core.so.5+0x2fa27e) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #20 0x7ffff46a372b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (/usr/lib/libQt5Core.so.5+0x2a372b) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #21 0x55555667a9c9 in operator() /home/lieven/KDAB/hotspot/src/parsers/perf/perfparser.cpp:1703
    #22 0x5555566c2f6f in run /usr/include/KF5/ThreadWeaver/threadweaver/lambda.h:30
    #23 0x7ffff7f5f5ad in ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) (/usr/lib/libKF5ThreadWeaver.so.5+0x125ad) (BuildId: 200cb669eff8ffb9ace9b7b396df6403668
5aed2)
    #24 0x7ffff7f604f5 in ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) (/usr/lib/libKF5ThreadWeaver.so.5+0x134f5) (BuildId: 200cb669eff8ffb9ace9b7b396df64036685
aed2)
    #25 0x7ffff7f63f01 in ThreadWeaver::Thread::run() (/usr/lib/libKF5ThreadWeaver.so.5+0x16f01) (BuildId: 200cb669eff8ffb9ace9b7b396df64036685aed2)
    #26 0x7ffff44f258a  (/usr/lib/libQt5Core.so.5+0xf258a) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #27 0x7ffff785cc79 in asan_thread_start /usr/src/debug/gcc/gcc/libsanitizer/asan/asan_interceptors.cpp:234
    #28 0x7ffff36a6dec  (/usr/lib/libc.so.6+0x92dec) (BuildId: 32a656aa5562eece8c59a585f5eacd6cf5e2307b)
    #29 0x7ffff372a0db  (/usr/lib/libc.so.6+0x1160db) (BuildId: 32a656aa5562eece8c59a585f5eacd6cf5e2307b)

0x513000001bb9 is located 313 bytes inside of 336-byte region [0x513000001a80,0x513000001bd0)
freed by thread T0 here:
    #0 0x7ffff78fe7e2 in operator delete(void*, unsigned long) /usr/src/debug/gcc/gcc/libsanitizer/asan/asan_new_delete.cpp:164
    #1 0x555556670dca in PerfParser::~PerfParser() /home/lieven/KDAB/hotspot/src/parsers/perf/perfparser.cpp:1479
    #2 0x7ffff46d5264 in QObjectPrivate::deleteChildren() (/usr/lib/libQt5Core.so.5+0x2d5264) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #3 0x7ffff5d7abf8 in QWidget::~QWidget() (/usr/lib/libQt5Widgets.so.5+0x17abf8) (BuildId: 254b52226c3f04da1b93d83e86adb3e3cffb6f76)
    #4 0x5555567be0a6 in MainWindow::~MainWindow() /home/lieven/KDAB/hotspot/src/mainwindow.cpp:272
    #5 0x5555567be3d7 in MainWindow::~MainWindow() /home/lieven/KDAB/hotspot/src/mainwindow.cpp:272
    #6 0x7ffff46d1a7b in QObject::event(QEvent*) (/usr/lib/libQt5Core.so.5+0x2d1a7b) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #7 0x7ffff6a9803d in KXmlGuiWindow::event(QEvent*) (/usr/lib/libKF5XmlGui.so.5+0x8b03d) (BuildId: 47e6c6148b6e322993e79bc55d54257f5f570e1c)

previously allocated by thread T0 here:
    #0 0x7ffff78fd682 in operator new(unsigned long) /usr/src/debug/gcc/gcc/libsanitizer/asan/asan_new_delete.cpp:95
    #1 0x5555567affca in MainWindow::MainWindow(QWidget*) /home/lieven/KDAB/hotspot/src/mainwindow.cpp:93
    #2 0x5555566539da in main /home/lieven/KDAB/hotspot/src/main.cpp:220
    #3 0x7ffff3639c87  (/usr/lib/libc.so.6+0x25c87) (BuildId: 32a656aa5562eece8c59a585f5eacd6cf5e2307b)
    #4 0x7ffff3639d4b in __libc_start_main (/usr/lib/libc.so.6+0x25d4b) (BuildId: 32a656aa5562eece8c59a585f5eacd6cf5e2307b)
    #5 0x5555565d5054 in _start (/home/lieven/KDAB/hotspot/build-dev-asan/bin/hotspot+0x1081054) (BuildId: a68032c20b67d2759bc6ace66427a8e3b02fa3e6)

Thread T25 (GlobalQueue[06]) created by T21 (GlobalQueue[02]) here:
    #0 0x7ffff78f38fb in pthread_create /usr/src/debug/gcc/gcc/libsanitizer/asan/asan_interceptors.cpp:245
    #1 0x7ffff44ee379 in QThread::start(QThread::Priority) (/usr/lib/libQt5Core.so.5+0xee379) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #2 0x7ffff7f6749c in ThreadWeaver::Weaver::adjustInventory(int) (/usr/lib/libKF5ThreadWeaver.so.5+0x1a49c) (BuildId: 200cb669eff8ffb9ace9b7b396df64036685aed2)

Thread T21 (GlobalQueue[02]) created by T0 here:
    #0 0x7ffff78f38fb in pthread_create /usr/src/debug/gcc/gcc/libsanitizer/asan/asan_interceptors.cpp:245
    #1 0x7ffff44ee379 in QThread::start(QThread::Priority) (/usr/lib/libQt5Core.so.5+0xee379) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #2 0x7ffff7f6749c in ThreadWeaver::Weaver::adjustInventory(int) (/usr/lib/libKF5ThreadWeaver.so.5+0x1a49c) (BuildId: 200cb669eff8ffb9ace9b7b396df64036685aed2)

fixes: #654
lievenhey added a commit that referenced this issue Jun 7, 2024
@lievenhey
fix: crash if hotspot is closed while loading a file
5edfabc 
The crash is caused because the destructor is called in one thread while
other threads still execute. This patch waits in the destructor till all
threads terminate.

Backtrace:
==91946==ERROR: AddressSanitizer: heap-use-after-free on address 0x513000001bb9 at pc 0x5555566c3173 bp 0x7fffca5fe900 sp 0x7fffca5fe8f0
READ of size 1 at 0x513000001bb9 thread T25 (GlobalQueue[06])
    #0 0x5555566c3172 in std::__atomic_base<bool>::load(std::memory_order) const /usr/include/c++/14.1.1/bits/atomic_base.h:501
    #1 0x5555566c3172 in std::atomic<bool>::operator bool() const /usr/include/c++/14.1.1/atomic:92
    #2 0x55555667846a in operator() /tmp/hotspot/src/parsers/perf/perfparser.cpp:1684
    #3 0x5555566c10bc in call /usr/include/qt/QtCore/qobjectdefs_impl.h:146
    #4 0x5555566b9353 in call<QtPrivate::List<QProcess::ProcessError>, void> /usr/include/qt/QtCore/qobjectdefs_impl.h:256
    #5 0x5555566b1239 in impl /usr/include/qt/QtCore/qobjectdefs_impl.h:443
    #6 0x7ffff46df99d  (/usr/lib/libQt5Core.so.5+0x2df99d) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #7 0x7ffff4630793 in QProcess::errorOccurred(QProcess::ProcessError) (/usr/lib/libQt5Core.so.5+0x230793) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #8 0x7ffff462c846  (/usr/lib/libQt5Core.so.5+0x22c846) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #9 0x7ffff4630f6c  (/usr/lib/libQt5Core.so.5+0x230f6c) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #10 0x7ffff46df961  (/usr/lib/libQt5Core.so.5+0x2df961) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #11 0x7ffff46e096d in QSocketNotifier::activated(QSocketDescriptor, QSocketNotifier::Type, QSocketNotifier::QPrivateSignal) (/usr/lib/libQt5Core.so.5+0x2e096d) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #12 0x7ffff46e0aa4 in QSocketNotifier::event(QEvent*) (/usr/lib/libQt5Core.so.5+0x2e0aa4) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #13 0x7ffff5d56330 in QApplicationPrivate::notify_helper(QObject*, QEvent*) (/usr/lib/libQt5Widgets.so.5+0x156330) (BuildId: 254b52226c3f04da1b93d83e86adb3e3cffb6f76)
    #14 0x7ffff46ab967 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (/usr/lib/libQt5Core.so.5+0x2ab967) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #15 0x7ffff46f8f0d  (/usr/lib/libQt5Core.so.5+0x2f8f0d) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #16 0x7ffff2314a88  (/usr/lib/libglib-2.0.so.0+0x5ca88) (BuildId: 8880230af7e37f2edbd90b79170aead80dde617a)
    #17 0x7ffff23769b6  (/usr/lib/libglib-2.0.so.0+0xbe9b6) (BuildId: 8880230af7e37f2edbd90b79170aead80dde617a)
    #18 0x7ffff2313f94 in g_main_context_iteration (/usr/lib/libglib-2.0.so.0+0x5bf94) (BuildId: 8880230af7e37f2edbd90b79170aead80dde617a)
    #19 0x7ffff46fa27e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (/usr/lib/libQt5Core.so.5+0x2fa27e) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #20 0x7ffff46a372b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (/usr/lib/libQt5Core.so.5+0x2a372b) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #21 0x55555667a9c9 in operator() /tmp/hotspot/src/parsers/perf/perfparser.cpp:1703
    #22 0x5555566c2f6f in run /usr/include/KF5/ThreadWeaver/threadweaver/lambda.h:30
    #23 0x7ffff7f5f5ad in ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) (/usr/lib/libKF5ThreadWeaver.so.5+0x125ad) (BuildId: 200cb669eff8ffb9ace9b7b396df6403668
5aed2)
    #24 0x7ffff7f604f5 in ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) (/usr/lib/libKF5ThreadWeaver.so.5+0x134f5) (BuildId: 200cb669eff8ffb9ace9b7b396df64036685
aed2)
    #25 0x7ffff7f63f01 in ThreadWeaver::Thread::run() (/usr/lib/libKF5ThreadWeaver.so.5+0x16f01) (BuildId: 200cb669eff8ffb9ace9b7b396df64036685aed2)
    #26 0x7ffff44f258a  (/usr/lib/libQt5Core.so.5+0xf258a) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #27 0x7ffff785cc79 in asan_thread_start /usr/src/debug/gcc/gcc/libsanitizer/asan/asan_interceptors.cpp:234
    #28 0x7ffff36a6dec  (/usr/lib/libc.so.6+0x92dec) (BuildId: 32a656aa5562eece8c59a585f5eacd6cf5e2307b)
    #29 0x7ffff372a0db  (/usr/lib/libc.so.6+0x1160db) (BuildId: 32a656aa5562eece8c59a585f5eacd6cf5e2307b)

0x513000001bb9 is located 313 bytes inside of 336-byte region [0x513000001a80,0x513000001bd0)
freed by thread T0 here:
    #0 0x7ffff78fe7e2 in operator delete(void*, unsigned long) /usr/src/debug/gcc/gcc/libsanitizer/asan/asan_new_delete.cpp:164
    #1 0x555556670dca in PerfParser::~PerfParser() /tmp/hotspot/src/parsers/perf/perfparser.cpp:1479
    #2 0x7ffff46d5264 in QObjectPrivate::deleteChildren() (/usr/lib/libQt5Core.so.5+0x2d5264) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #3 0x7ffff5d7abf8 in QWidget::~QWidget() (/usr/lib/libQt5Widgets.so.5+0x17abf8) (BuildId: 254b52226c3f04da1b93d83e86adb3e3cffb6f76)
    #4 0x5555567be0a6 in MainWindow::~MainWindow() /tmp/hotspot/src/mainwindow.cpp:272
    #5 0x5555567be3d7 in MainWindow::~MainWindow() /tmp/hotspot/src/mainwindow.cpp:272
    #6 0x7ffff46d1a7b in QObject::event(QEvent*) (/usr/lib/libQt5Core.so.5+0x2d1a7b) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #7 0x7ffff6a9803d in KXmlGuiWindow::event(QEvent*) (/usr/lib/libKF5XmlGui.so.5+0x8b03d) (BuildId: 47e6c6148b6e322993e79bc55d54257f5f570e1c)

previously allocated by thread T0 here:
    #0 0x7ffff78fd682 in operator new(unsigned long) /usr/src/debug/gcc/gcc/libsanitizer/asan/asan_new_delete.cpp:95
    #1 0x5555567affca in MainWindow::MainWindow(QWidget*) /tmp/hotspot/src/mainwindow.cpp:93
    #2 0x5555566539da in main /tmp/hotspot/src/main.cpp:220
    #3 0x7ffff3639c87  (/usr/lib/libc.so.6+0x25c87) (BuildId: 32a656aa5562eece8c59a585f5eacd6cf5e2307b)
    #4 0x7ffff3639d4b in __libc_start_main (/usr/lib/libc.so.6+0x25d4b) (BuildId: 32a656aa5562eece8c59a585f5eacd6cf5e2307b)
    #5 0x5555565d5054 in _start (/tmp/hotspot/build-dev-asan/bin/hotspot+0x1081054) (BuildId: a68032c20b67d2759bc6ace66427a8e3b02fa3e6)

Thread T25 (GlobalQueue[06]) created by T21 (GlobalQueue[02]) here:
    #0 0x7ffff78f38fb in pthread_create /usr/src/debug/gcc/gcc/libsanitizer/asan/asan_interceptors.cpp:245
    #1 0x7ffff44ee379 in QThread::start(QThread::Priority) (/usr/lib/libQt5Core.so.5+0xee379) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #2 0x7ffff7f6749c in ThreadWeaver::Weaver::adjustInventory(int) (/usr/lib/libKF5ThreadWeaver.so.5+0x1a49c) (BuildId: 200cb669eff8ffb9ace9b7b396df64036685aed2)

Thread T21 (GlobalQueue[02]) created by T0 here:
    #0 0x7ffff78f38fb in pthread_create /usr/src/debug/gcc/gcc/libsanitizer/asan/asan_interceptors.cpp:245
    #1 0x7ffff44ee379 in QThread::start(QThread::Priority) (/usr/lib/libQt5Core.so.5+0xee379) (BuildId: 5ae775b980e5842fcce9c0a035de95718227fa6e)
    #2 0x7ffff7f6749c in ThreadWeaver::Weaver::adjustInventory(int) (/usr/lib/libKF5ThreadWeaver.so.5+0x1a49c) (BuildId: 200cb669eff8ffb9ace9b7b396df64036685aed2)

fixes: #654
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