[Camino] Excessive CPU Usage (sample attached)

Peter Yang Sun, 09 Nov 2003 01:20:59 -0800

I've been experiencing some moments where Camino (as a background app) suddenly starts sucking up CPU like crazy. While it eventually stops after a while, I managed to sample it (using Activity Monitor). The sample is attached.

-Peter Yang

Analysis of sampling pid 437 every 10.000000 milliseconds Call graph: 231 Thread_110b 231 start 231 _start 231 NSApplicationMain 231 -[NSApplication run] 231 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] 231 _DPSNextEvent 231 BlockUntilNextEventMatchingListInMode 231 ReceiveNextEventCommon 231 RunCurrentEventLoopInMode 231 CFRunLoopRunSpecific 231 __CFRunLoopRun 218 mach_msg 218 mach_msg_trap 218 mach_msg_trap 11 __CFRunLoopDoObservers 4 CFSetApplyFunction 3 __CF_FAULT_CALLBACK 3 _dyld_image_containing_address 3 _dyld_image_containing_address 3 _dyld_get_image_header_containing_address 2 _dyld_get_image_header_containing_address 1 set_lock 1 set_lock 1 CFArrayAppendValue 1 _CFArrayReplaceValues 1 0x9022a880 1 0x9022a880 3 CFArraySortValues 3 __CF_FAULT_CALLBACK 3 _dyld_image_containing_address 3 _dyld_image_containing_address 3 _dyld_get_image_header_containing_address 2 _dyld_get_image_header_containing_address 1 release_lock 1 dyld_mach_thread_self 1 dyld_mach_thread_self 2 __NSPortDelegateTickler 1 0x90b15d0c 1 0x90b15d0c 1 NSPopAutoreleasePool 1 NSPopAutoreleasePool 1 FlushAllBuffers(__CFRunLoopObserver*, CFRunLoopActivity, void*) 1 FlushAllWindows 1 _FlushWindow 1 QDFlushPortBuffer 1 QDPlatformFlushWindow 1 CGSFlushWindowContentRegion 1 CGSFlushWindowContentRegion 1 __CFArrayInit 1 __CFArrayInit 1 __CFRunLoopModeFindSourceForMachPort 1 CFSetApplyFunction 1 __CFRunLoopFindSource 1 __CFRunLoopFindSource 1 __NSFireTimer 1 saveFP 1 saveFP 231 Thread_1203 231 _pthread_body 231 _pt_root 231 nsThread::Main(void*) 231 nsSocketTransportService::Run() 231 _pr_poll_with_poll 231 poll 231 select 231 select 231 Thread_1303 231 _pthread_body 231 JVM_GetClassMethodsCount 231 JNI_CreateJavaVM_Impl 231 JNI_CreateJavaVM_Impl 231 mach_msg 231 mach_msg_trap 231 mach_msg_trap 231 Thread_1403 231 _pthread_body 231 JVM_GetClassMethodsCount 231 JNI_CreateJavaVM_Impl 231 JVM_Send 231 JVM_FillInStackTrace 231 JVM_NewInstance 231 mach_msg 231 mach_msg_trap 231 mach_msg_trap 231 Thread_1503 231 _pthread_body 231 JVM_GetClassMethodsCount 231 JVM_UnloadLibrary 231 JVM_GetMethodIxExceptionTableEntry 231 JVM_IsSameClassPackage 231 JVM_FindClassFromClass 231 JVM_GetCPClassNameUTF 231 JVM_CurrentTimeMillis 231 typeinfo name for std::bad_exception 231 0xd10868c 231 0xd10868c 231 0xd10a668 231 JVM_MonitorWait 231 JVM_MonitorNotify 231 JVM_ArrayCopy 231 JVM_NewInstance 231 mach_msg 231 mach_msg_trap 231 mach_msg_trap 231 Thread_1603 231 _pthread_body 231 JVM_GetClassMethodsCount 231 JVM_UnloadLibrary 231 JVM_GetMethodIxExceptionTableEntry 231 JVM_IsSameClassPackage 231 JVM_FindClassFromClass 231 JVM_GetCPClassNameUTF 231 JVM_CurrentTimeMillis 231 typeinfo name for std::bad_exception 231 0xd1085cc 231 0xd1085cc 231 0xd10868c 231 0xd10a668 231 JVM_MonitorWait 231 JVM_MonitorNotify 231 JVM_ArrayCopy 231 JVM_NewInstance 231 mach_msg 231 mach_msg_trap 231 mach_msg_trap 231 Thread_1703 231 _pthread_body 231 JVM_GetClassMethodsCount 231 JVM_GetClassLoader 231 JVM_GetClassLoader 231 JVM_NewInstance 231 mach_msg 231 mach_msg_trap 231 mach_msg_trap 231 Thread_1803 231 _pthread_body 231 JVM_GetClassMethodsCount 231 JVM_UnloadLibrary 231 JVM_InitProperties 231 JVM_InitProperties 231 JVM_FillInStackTrace 231 JVM_NewInstance 231 mach_msg 231 mach_msg_trap 231 mach_msg_trap 231 Thread_1903 231 _pthread_body 231 JVM_GetClassMethodsCount 231 JVM_UnloadLibrary 231 JVM_FindLoadedClass 231 JVM_StartThread 231 JVM_FillInStackTrace 231 JVM_NewInstance 231 mach_msg 231 mach_msg_trap 231 mach_msg_trap 231 Thread_1a03 231 _pthread_body 231 _pt_root 231 nsThread::Main(void*) 231 TimerThread::Run() 231 PR_WaitCondVar 231 pt_TimedWait 231 _pthread_cond_wait 231 semaphore_timedwait_signal_trap 231 semaphore_timedwait_signal_trap 231 Thread_1b03 231 _pthread_body 231 forkThreadForFunction 231 -[NSUIHeartBeat _heartBeatThread:] 231 -[NSConditionLock lockWhenCondition:] 231 _pthread_cond_wait 231 semaphore_wait_signal_trap 231 semaphore_wait_signal_trap 231 Thread_1c03 231 _pthread_body 231 __CFSocketManager 231 select 231 select

Total number in stack (recursive counted multiple, when >=5):
        11       _pthread_body
        8       mach_msg
        8       mach_msg_trap
        7       JVM_GetClassMethodsCount
        6       JVM_NewInstance

Sort by top of stack, same collapsed (when >= 5):
        mach_msg_trap        1835
        select        462
        semaphore_timedwait_signal_trap        231
        semaphore_wait_signal_trap        231
Sample analysis of process 437 written to file /dev/stdout
Sampling process 437 each 10 msecs 300 times

_______________________________________________
Camino mailing list
[EMAIL PROTECTED]
http://mozdev.org/mailman/listinfo/camino

[Camino] Excessive CPU Usage (sample attached)

Reply via email to