[webkit-dev] Safari, Quicktime and blocking

Eric Seidel eseidel at apple.com
Sat Mar 18 14:39:02 PST 2006


The best course of action is to file a bug at:

http://bugreporter.apple.com/

-eric

On Mar 18, 2006, at 9:00 AM, André-John Mas wrote:

> I often find Safari blocking because of some plugin taking too much  
> time. The usual culrpit is
> Quicktime. I decided to run Spin Control today and got a block of  
> 158 seconds. I wouldn't be
> surprised of many people would have opted for a 'force-quit' beyond  
> the 60 second mark. Anyhow
> here is the output from 'Spin Control':
>
> Call graph:
>     15864 Thread_6603
>       15864 0x5ca94
>         15864 0x5cbf0
>           15864 NSApplicationMain
>             15864 -[NSApplication run]
>               15864 0x6e74
>                 15864 -[NSApplication  
> nextEventMatchingMask:untilDate:inMode:dequeue:]
>                   15864 _DPSNextEvent
>                     15864 BlockUntilNextEventMatchingListInMode
>                       15864 ReceiveNextEventCommon
>                         15864 RunCurrentEventLoopInMode
>                           15864 CFRunLoopRunSpecific
>                             15864 __CFRunLoopRun
>                               15864 __CFRunLoopDoTimer
>                                 15864 __NSFireTimer
>                                   15864 +[QTMovie idleAllMovies:]
>                                     15864 CFSetApplyFunction
>                                       15864 -[QTMovie idle]
>                                         15864 NPN_GetValue
>                                           15864 NPN_GetValue
>                                             15864 NPN_GetValue
>                                               15864  
> WebHelper_Private_HandleEvent
>                                                 15864 NPP_HandleEvent
>                                                   15864 MCHandleEvent
>                                                     15864  
> CallComponent
>                                                       15864  
> CallComponentFunctionCommon
>                                                         15864  
> _MCHandleEvent
>                                                           15864  
> MCIsPlayerEvent
>                                                             15864  
> CallComponent
>                                                               15864  
> CallComponentFunctionCommon
>                                                                  
> 15864 _MCIsPlayerEvent
>                                                                    
> 15864 internalDoAction
>                                                                      
> 15864 doIdleMovie
>                                                                        
> 15864 TaskMovie_priv
>                                                                        
>   15864 MediaMoviesTask
>                                                                        
>     15864 CallComponent
>                                                                        
>       15864 MPEGMediaDispatcher
>                                                                        
>         15864 CallComponent
>                                                                        
>           15864 CallComponentFunctionCommon
>                                                                        
>             15864 GenericMoviesTask
>                                                                        
>               15864 doGenericIdle
>                                                                        
>                 15864 MediaIdle
>                                                                        
>                   15864 CallComponent
>                                                                        
>                     15864 MPEGMediaDispatcher
>                                                                        
>                       15864 MPEGMediaIdle
>                                                                        
>                         15864 ReallyIdle
>                                                                        
>                           15864 SHDecodeIdle
>                                                                        
>                             15864 CallComponent
>                                                                        
>                               15864 MPEGSystemDispatcher
>                                                                        
>                                 15864 MPEGSystemIdle
>                                                                        
>                                   15864 QTYieldToThread
>                                                                        
>                                     15864 pthread_cond_wait
>                                                                        
>                                       15864 semaphore_wait_signal_trap
>                                                                        
>                                         15864  
> semaphore_wait_signal_trap
>     15864 Thread_6703
>       15864 _pthread_body
>         15864 __ape_agent
>           15864 __ape_internal
>             15864 mach_msg
>               15864 mach_msg_trap
>                 15864 mach_msg_trap
>     15864 Thread_6803
>       15864 _pthread_body
>         15864 ah_serv_loop
>           15864 mach_msg
>             15864 mach_msg_trap
>               15864 mach_msg_trap
>     15864 Thread_6903
>       15864 _pthread_body
>         15864 forkThreadForFunction
>           15864 +[WebFileDatabase _syncLoop:]
>             15864 -[NSRunLoop run]
>               15864 -[NSRunLoop runMode:beforeDate:]
>                 15864 CFRunLoopRunSpecific
>                   15864 __CFRunLoopRun
>                     15864 mach_msg
>                       15864 mach_msg_trap
>                         15864 mach_msg_trap
>     15864 Thread_6a03
>       15864 _pthread_body
>         15864 forkThreadForFunction
>           15864 +[NSURLConnection(NSURLConnectionInternal)  
> _resourceLoadLoop:]
>             15864 CFRunLoopRunSpecific
>               15864 __CFRunLoopRun
>                 15864 mach_msg
>                   15864 mach_msg_trap
>                     15864 mach_msg_trap
>     15864 Thread_6b03
>       15864 _pthread_body
>         15864 forkThreadForFunction
>           15864 +[NSURLCache _diskCacheSyncLoop:]
>             15864 CFRunLoopRunSpecific
>               15864 __CFRunLoopRun
>                 15864 mach_msg
>                   15864 mach_msg_trap
>                     15864 mach_msg_trap
>     15864 Thread_6c03
>       15864 _pthread_body
>         15864 forkThreadForFunction
>           15864 -[AsyncDB _run:]
>             15864 -[NSConditionLock lockWhenCondition:]
>               15864 pthread_cond_wait
>                 15864 semaphore_wait_signal_trap
>                   15864 semaphore_wait_signal_trap
>     15864 Thread_6d03
>       15864 _pthread_body
>         15864 __CFSocketManager
>           15864 select
>             15864 select
>     15864 Thread_6e03
>       15864 _pthread_body
>         15864 forkThreadForFunction
>           15864 -[NSUIHeartBeat _heartBeatThread:]
>             15864 -[NSConditionLock lockWhenCondition:]
>               15864 pthread_cond_wait
>                 15864 semaphore_wait_signal_trap
>                   15864 semaphore_wait_signal_trap
>     15864 Thread_6f03
>       15864 _pthread_body
>         15864 QTSNetworkThread_RunThread
>           15864 CFRunLoopRun
>             15864 CFRunLoopRunSpecific
>               15864 __CFRunLoopRun
>                 15864 mach_msg
>                   15864 mach_msg_trap
>                     15864 mach_msg_trap
>     15864 Thread_7003
>       15864 _pthread_body
>         15864 CAPThread::Entry(CAPThread*)
>           15864 HALRunLoop::OwnThread(void*)
>             15864 CFRunLoopRunSpecific
>               15864 __CFRunLoopRun
>                 15864 mach_msg
>                   15864 mach_msg_trap
>                     15864 mach_msg_trap
>     15864 Thread_7103
>       15864 _pthread_body
>         15864 CAPThread::Entry(CAPThread*)
>           15864 HP_IOThread::ThreadEntry(HP_IOThread*)
>             15864 HP_IOThread::WorkLoop()
>               15864 CAGuard::WaitUntil(unsigned long long)
>                 15864 CAGuard::WaitFor(unsigned long long)
>                   15864 pthread_cond_timedwait_relative_np
>                     15863 restore_sem_to_pool
>                       15863 restore_sem_to_pool
>                     1 semaphore_timedwait_signal_trap
>                       1 semaphore_timedwait_signal_trap
>     15864 Thread_7203
>       15864 _pthread_body
>         15864 TimerThread
>           15864 TSWaitOnSemaphoreCommon
>             15864 pthread_cond_timedwait_relative_np
>               15864 semaphore_timedwait_signal_trap
>                 15864 semaphore_timedwait_signal_trap
>     15864 Thread_7303
>       15864 _pthread_body
>         15864 MacThreadFunc
>           15864 VideoThreadEntry
>             15864 ReallyDecodeThePicture
>               15864 CalcSourceAndDestPtrs
>                 15864 CalcSourceAndDestPtrs
>     15864 Thread_7403
>       15864 _pthread_body
>         15864 MacThreadFunc
>           15864 AudioThreadEntry
>             15864 S_MpaAdvanceToNextStartCode
>               15864 AudioWaitForBufferFullness
>                 15864 QTYieldToThread
>                   15864 pthread_cond_wait
>                     15864 semaphore_wait_signal_trap
>                       15864 semaphore_wait_signal_trap
>     15864 Thread_7503
>       15864 _pthread_body
>         15864 MacThreadFunc
>           15864 SystemThreadEntry
>             15864 S_DecodeVideoPacket2
>               15864 SHDecodeIdle
>                 15864 CallComponent
>                   15864 MPEGVideoDispatcher
>                     15864 MPEGVideoIdle
>                       15864 QTYieldToThread
>                         15864 pthread_cond_wait
>                           15864 semaphore_wait_signal_trap
>                             15864 semaphore_wait_signal_trap
>     15864 Thread_7603
>       15864 _pthread_body
>         15864 DeferredTaskThread
>           15864 TSWaitOnSemaphoreCommon
>             15864 pthread_cond_timedwait_relative_np
>               15864 semaphore_timedwait_signal_trap
>                 15864 semaphore_timedwait_signal_trap
>
> Total number in stack (recursive counted multiple, when >=5):
>         16       _pthread_body
>         7       CallComponent
>         7       mach_msg
>         7       mach_msg_trap
>         6       CFRunLoopRunSpecific
>         6       __CFRunLoopRun
>         5       forkThreadForFunction
>         5       pthread_cond_wait
>         5       semaphore_wait_signal_trap
>
> Sort by top of stack, same collapsed (when >= 5):
>         mach_msg_trap        111048
>         semaphore_wait_signal_trap        79320
>         semaphore_timedwait_signal_trap        31729
>         CalcSourceAndDestPtrs        15864
>         select        15864
>         restore_sem_to_pool        15863
>
>
> _______________________________________________
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> webkit-dev at opendarwin.org
> http://www.opendarwin.org/mailman/listinfo/webkit-dev




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