'[kdevelop] [Bug 368855] changing files via git (rebase, checkout) causes 100% CPU usage on 2 cores'

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List:       kde-bugs-dist
Subject:    [kdevelop] [Bug 368855] changing files via git (rebase, checkout) causes 100% CPU usage on 2 cores
From:       Rolf Eike Beer via KDE Bugzilla <bugzilla_noreply () kde ! org>
Date:       2016-09-18 12:53:34
Message-ID: bug-368855-17878-rVObnuXyI0 () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=368855

Rolf Eike Beer <kde@opensource.sf-tec.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |UNCONFIRMED
         Resolution|WAITINGFORINFO              |---

--- Comment #2 from Rolf Eike Beer <kde@opensource.sf-tec.de> ---
Thread 14 (Thread 0x7fe1a8c3f700 (LWP 10656)):
#0  0x00007fe203b1403f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007fe1fe47f86b in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007fe1fe47f899 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007fe203b100a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fe209ddc02d in clone () at /lib64/libc.so.6

Thread 13 (Thread 0x7fe1aa5ab700 (LWP 10635)):
#0  0x00007fe209dd3bfd in poll () at /lib64/libc.so.6
#1  0x00007fe202e94e64 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fe202e94f7c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007fe20a700d6c in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007fe20a6a7d53 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007fe20a4c961a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fe20a4ce32f in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007fe203b100a4 in start_thread () at /lib64/libpthread.so.0
#8  0x00007fe209ddc02d in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7fe18bfff700 (LWP 10528)):
#0  0x00007fe209dd3bfd in poll () at /lib64/libc.so.6
#1  0x00007fe202e94e64 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fe202e94f7c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007fe20a700d6c in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007fe20a6a7d53 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007fe20a4c961a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fe20a4ce32f in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007fe203b100a4 in start_thread () at /lib64/libpthread.so.0
#8  0x00007fe209ddc02d in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7fe1aadac700 (LWP 10515)):
#0  0x00007fe203b1403f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007fe20a4cf34b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007fe1ff2b465f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007fe1ff2b843a in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007fe1ff2b26cb in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007fe1ff2b6005 in ThreadWeaver::Thread::run() () at
/usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007fe20a4ce32f in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007fe203b100a4 in start_thread () at /lib64/libpthread.so.0
#8  0x00007fe209ddc02d in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7fe1ab5ad700 (LWP 10514)):
#0  0x00007fe203b1403f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007fe20a4cf34b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007fe1ff2b465f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007fe1ff2b843a in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007fe1ff2b26cb in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007fe1ff2b8481 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007fe1ff2b26cb in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007fe1ff2b6005 in ThreadWeaver::Thread::run() () at
/usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007fe20a4ce32f in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fe203b100a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fe209ddc02d in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7fe1abdae700 (LWP 10513)):
#0  0x00007fe203b1403f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007fe20a4cf34b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007fe1ff2b465f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007fe1ff2b843a in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007fe1ff2b26cb in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007fe1ff2b6005 in ThreadWeaver::Thread::run() () at
/usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007fe20a4ce32f in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007fe203b100a4 in start_thread () at /lib64/libpthread.so.0
#8  0x00007fe209ddc02d in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7fe1ac5af700 (LWP 10512)):
#0  0x00007fe203b1403f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007fe20a4cf34b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007fe1ff2b465f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007fe1ff2b843a in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007fe1ff2b26cb in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007fe1ff2b6005 in ThreadWeaver::Thread::run() () at
/usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007fe20a4ce32f in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007fe203b100a4 in start_thread () at /lib64/libpthread.so.0
#8  0x00007fe209ddc02d in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7fe1be3df700 (LWP 10511)):
#0  0x00007fe203b1403f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007fe20a4cf34b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007fe1ff2b465f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007fe1ff2b843a in  () at /usr/lib64/libKF5ThreadWeaver.so.5
---Type <return> to continue, or q <return> to quit---
#4  0x00007fe1ff2b26cb in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007fe1ff2b6005 in ThreadWeaver::Thread::run() () at
/usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007fe20a4ce32f in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007fe203b100a4 in start_thread () at /lib64/libpthread.so.0
#8  0x00007fe209ddc02d in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7fe1bdbde700 (LWP 10435)):
#0  0x00007fe209dd3bfd in poll () at /lib64/libc.so.6
#1  0x00007fe202e94e64 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fe202e94f7c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007fe20a700d6c in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007fe20a6a7d53 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007fe20a4c961a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fe1ffc67e18 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007fe20a4ce32f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007fe203b100a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fe209ddc02d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7fe1bfe69700 (LWP 10405)):
#0  0x00007fe209dd3bfd in poll () at /lib64/libc.so.6
#1  0x00007fe202e94e64 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fe202e94f7c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007fe20a700d6c in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007fe20a6a7d53 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007fe20a4c961a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fe208003dc3 in  () at /usr/lib64/libKDevPlatformLanguage.so.10
#7  0x00007fe20a4ce32f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007fe203b100a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fe209ddc02d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7fe1dce35700 (LWP 10404)):
#0  0x00007fe209dd3bfd in poll () at /lib64/libc.so.6
#1  0x00007fe202e94e64 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fe202e94f7c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007fe20a700d8b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007fe20a6a7d53 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007fe20a4c961a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fe208003dc3 in  () at /usr/lib64/libKDevPlatformLanguage.so.10
#7  0x00007fe20a4ce32f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007fe203b100a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fe209ddc02d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7fe1dfb32700 (LWP 10403)):
#0  0x00007fe203b143e8 in pthread_cond_timedwait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007fe20a4cf298 in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007fe207f314f3 in  () at /usr/lib64/libKDevPlatformLanguage.so.10
#3  0x00007fe20a4ce32f in  () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe203b100a4 in start_thread () at /lib64/libpthread.so.0
#5  0x00007fe209ddc02d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fe1ed5f4700 (LWP 10402)):
#0  0x00007fe209dd3bfd in poll () at /lib64/libc.so.6
#1  0x00007fe1fcf25422 in  () at /usr/lib64/libxcb.so.1
#2  0x00007fe1fcf2700f in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007fe1ef9493c9 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007fe20a4ce32f in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007fe203b100a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007fe209ddc02d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fe20d0427c0 (LWP 10401)):
#0  0x00007fe209dd3bfd in poll () at /lib64/libc.so.6
#1  0x00007fe202e94e64 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fe202e94f7c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007fe20a700d6c in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007fe20a6a7d53 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007fe20a6af8f6 in QCoreApplication::exec() () at
/usr/lib64/libQt5Core.so.5
#6  0x000000000040c460 in main(int, char**) (argc=1, argv=<optimized out>) at
/usr/src/debug/kdevelop-5.0/app/main.cpp:745

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