Sampling process 59567 for 3 seconds with 1 millisecond of run time between samples
Sampling completed, processing symbols...
Analysis of sampling Qt Creator (pid 59567) every 1 millisecond
Call graph:
    2212 Thread_3838830   DispatchQueue_1: com.apple.main-thread  (serial)
      2212 start
        2212 main
          2212 ExtensionSystem::PluginManager::~PluginManager()
            2212 ExtensionSystem::Internal::PluginManagerPrivate::~PluginManagerPrivate()
              2212 ExtensionSystem::Internal::PluginManagerPrivate::stopAll()
                2212 ExtensionSystem::Internal::PluginManagerPrivate::loadPlugin(ExtensionSystem::PluginSpec*, ExtensionSystem::PluginSpec::State)
                  2212 ExtensionSystem::Internal::PluginSpecPrivate::stop()
                    2212 ProjectExplorer::ProjectExplorerPlugin::shutdown()
                      2212 ProjectExplorer::SessionManager::clear()
                        2212 ProjectExplorer::SessionManager::removeProjects(QList<ProjectExplorer::Project*>)
                          2212 Qt4ProjectManager::Qt4Project::~Qt4Project()
                            2212 ProjectExplorer::Project::~Project()
                              2212 QObject::~QObject()
                                2212 QObjectPrivate::deleteChildren()
                                  2212 Qt4ProjectManager::Internal::Qt4ProFileNode::~Qt4ProFileNode()
                                    2212 Qt4ProjectManager::Internal::Qt4PriFileNode::~Qt4PriFileNode()
                                      2212 ProjectExplorer::ProjectNode::~ProjectNode()
                                        2212 ProjectExplorer::FolderNode::~FolderNode()
                                          2212 ProjectExplorer::Node::~Node()
                                            2212 QObject::~QObject()
                                              2212 QObjectPrivate::deleteChildren()
                                                2212 Qt4ProjectManager::Internal::Qt4PriFile::~Qt4PriFile()
                                                  2212 Core::IFile::~IFile()
                                                    2212 QObject::~QObject()
                                                      2212 QObject::destroyed(QObject*)
                                                        2212 QMetaObject::activate(QObject*, QMetaObject const*, int, void**)
                                                          2212 Core::FileManager::qt_metacall(QMetaObject::Call, int, void**)
                                                            2212 Core::FileManager::fileDestroyed(QObject*)
                                                              2212 Core::FileManager::removeFileInfo(Core::IFile*)
                                                                2212 Core::FileManager::removeFileInfo(QString const&, Core::IFile*)
                                                                  2212 QFileSystemWatcher::removePath(QString const&)
                                                                    2212 QFileSystemWatcher::removePaths(QStringList const&)
                                                                      2212 QFSEventsFileSystemWatcherEngine::removePaths(QStringList const&, QStringList*, QStringList*)
                                                                        2212 QWaitCondition::wait(QMutex*, unsigned long)
                                                                          2212 _pthread_cond_wait
                                                                            2212 __semwait_signal
    2212 Thread_3838833   DispatchQueue_2: com.apple.libdispatch-manager  (serial)
      2212 start_wqthread
        2212 _pthread_wqthread
          2212 _dispatch_worker_thread2
            2212 _dispatch_queue_invoke
              2212 _dispatch_mgr_invoke
                2212 kevent
    2212 Thread_3838843
      2212 thread_start
        2212 _pthread_start
          2212 __CFSocketManager
            2212 select$DARWIN_EXTSN
    2212 Thread_3838844
      2212 thread_start
        2212 _pthread_start
          2212 ne7ssh::selectThread(void*)
            2190 usleep
              2186 nanosleep
                2184 __semwait_signal
                2 __spin_lock
              2 cerror
                1 cerror
                1 cthread_set_errno_self
              2 dyld_stub___error
            14 __bzero
            3 ne7ssh::lock()
              3 Ne7ssh_Mutex::lock()
                3 pthread_mutex_lock
                  2 pthread_mutex_lock
                  1 _spin_lock
            3 ne7ssh::unlock()
              3 Ne7ssh_Mutex::unlock()
                2 __spin_lock
                1 pthread_mutex_unlock
            2 ne7ssh::selectThread(void*)
    2212 Thread_3838845
      2212 thread_start
        2212 _pthread_start
          2212 QThreadPrivate::start(void*)
            2212 QProcessManager::run()
              2212 select$DARWIN_EXTSN
    2212 Thread_3838847
      2212 thread_start
        2212 _pthread_start
          2212 QTWTF::TCMalloc_PageHeap::runScavengerThread(void*)
            2212 QTWTF::TCMalloc_PageHeap::scavengerThread()
              2212 _pthread_cond_wait
                2212 __semwait_signal
    2212 Thread_3838848
      2212 thread_start
        2212 _pthread_start
          2212 WTF::TCMalloc_PageHeap::runScavengerThread(void*)
            2212 WTF::TCMalloc_PageHeap::scavengerThread()
              2212 _pthread_cond_wait
                2212 __semwait_signal
    2212 Thread_3856403
      2212 thread_start
        2212 _pthread_start
          2212 QThreadPrivate::start(void*)
            2212 QFSEventsFileSystemWatcherEngine::run()
              2212 QFSEventsFileSystemWatcherEngine::updateFiles()
                2212 QFSEventsFileSystemWatcherEngine::stop()
                  2212 QMutex::lock()
                    2212 QMutexPrivate::wait(int)
                      2212 _pthread_cond_wait
                        2212 __semwait_signal

Total number in stack (recursive counted multiple, when >=5):
        6       _pthread_start
        6       thread_start
        5       __semwait_signal

Sort by top of stack, same collapsed (when >= 5):
        __semwait_signal        11032
        select$DARWIN_EXTSN        4424
        kevent        2212
        __bzero        14
Sample analysis of process 59567 written to file /dev/stdout