[Cuis-dev] copyBitsLockedAndClipped
Juan Vuletich
juan at cuis.st
Tue Mar 5 14:02:15 PST 2024
Hi Francisco,
Can you reproduce the problem consistently? How?
Thanks,
On 3/5/2024 4:11 PM, Francisco Garau via Cuis-dev wrote:
> Playing with my son we opened many Sample04Pacman morphs and moving
> one of them over the others we got the Squeak 5.0 VM to become
> unresponsive.
>
> ...
>
> Sampling the VM, shows the copyBitsLockedAndClipped as the possible
> culprit.
>
> Analysis of sampling Squeak (pid 3794) every 1 millisecond
> Process: Squeak [3794]
> Path: /Users/USER/*/CuisVM.app/Contents/MacOS/Squeak
> Load Address: 0x10af30000
> Identifier: org.squeak.Squeak
> Version: 5.20231218.1441 (5.20231218.1441)
> Code Type: X86-64
> Platform: macOS
> Parent Process: bash [3793]
>
> Date/Time: 2024-03-05 18:45:03.504 +0000
> Launch Time: 2024-03-05 18:33:54.919 +0000
> OS Version: macOS 14.3.1 (23D60)
> Report Version: 7
> Analysis Tool: /usr/bin/sample
>
> Physical footprint: 4.1G
> Physical footprint (peak): 4.1G
> Idle exit: untracked
> ----
>
> Call graph:
> 2129 Thread_5154206 DispatchQueue_1: com.apple.main-thread (serial)
> + 1437 start (in dyld) + 1942 [0x7ff80df99386]
> + ! 1437 NSApplicationMain (in AppKit) + 816 [0x7ff8119d41c1]
> + ! 1437 -[NSApplication run] (in AppKit) + 603 [0x7ff811a001b2]
> + ! 1437 -[NSApplication(NSEventRouting)
> _nextEventMatchingEventMask:untilDate:inMode:dequeue:] (in AppKit) +
> 1304 [0x7ff812318804]
> + ! 1437 _DPSNextEvent (in AppKit) + 880 [0x7ff811a0ec39]
> + ! 1437 _BlockUntilNextEventMatchingListInModeWithFilter
> (in HIToolbox) + 66 [0x7ff818cf0531]
> + ! 1437 ReceiveNextEventCommon (in HIToolbox) + 201
> [0x7ff818cf0616]
> + ! 1437 RunCurrentEventLoopInMode (in HIToolbox) +
> 292 [0x7ff818cf09d9]
> + ! 1437 CFRunLoopRunSpecific (in CoreFoundation) +
> 557 [0x7ff80e3fe082]
> + ! 1437 __CFRunLoopRun (in CoreFoundation) + 850
> [0x7ff80e3fe99c]
> + ! 1437 __CFRunLoopDoObservers (in
> CoreFoundation) + 493 [0x7ff80e3ff41a]
> + ! 1437
> __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ (in
> CoreFoundation) + 23 [0x7ff80e3ff4f6]
> + ! 1437 __NSFirePerformWithOrder (in
> Foundation) + 357 [0x7ff80f4583fc]
> + ! 1437 -[sqSqueakMainApplication
> runSqueak] (in Squeak) + 381 [0x10afceb33]
> + ! 1437 interpret (in Squeak) + 867
> [0x10af37bf1]
> + ! 995 ??? (in <unknown binary>)
> [0x116c063e8]
> + ! : 988 primitiveCopyBits (in
> Squeak) + 39 [0x10afdf1e7]
> + ! : | 988 copyBits (in Squeak) + 42
> [0x10afded28]
> + ! : | 988 copyBitsLockedAndClipped
> (in Squeak) + 2867,2861,... [0x10afe2799,0x10afe2793,...]
> + ! : 4 primitiveCopyBits (in Squeak)
> + 29 [0x10afdf1dd]
> + ! : | 2 loadBitBltFromwarping (in
> Squeak) + 538,695 [0x10afe5c25,0x10afe5cc2]
> + ! : | 1 loadBitBltFromwarping (in
> Squeak) + 214 [0x10afe5ae1]
> + ! : | + 1 isPointers (in Squeak) +
> 0 [0x10af5cc4b]
> + ! : | 1 loadBitBltFromwarping (in
> Squeak) + 1885 [0x10afe6168]
> + ! : | 1 isWordsOrBytes (in
> Squeak) + 17 [0x10af5cd22]
> + ! : 1 primitiveCopyBits (in Squeak)
> + 61 [0x10afdf1fd]
> + ! : | 1 statNumGCs (in Squeak) + 18
> [0x10af62047]
> + ! : 1 primitiveCopyBits (in Squeak)
> + 111 [0x10afdf22f]
> + ! : | 1
> showDisplayBitsLeftTopRightBottom (in Squeak) + 47 [0x10af676da]
> + ! : 1 primitiveCopyBits (in Squeak)
> + 175 [0x10afdf26f]
> + ! : 1 methodReturnReceiver (in
> Squeak) + 1 [0x10af64819]
> + ! 96 ??? (in <unknown binary>)
> [0x116c13a94]
> + ! : 60 primitivePerform (in Squeak)
> + 267 [0x10af6b8d8]
> + ! : | 36 executeNewMethod (in
> Squeak) + 91 [0x10af4ac77]
> + ! : | + 23 slowPrimitiveResponse
> (in Squeak) + 121 [0x10af7b65f]
> + ! : | + ! 5 primitiveSmallFloatAdd
> (in Squeak) + 0,23,... [0x10af75afc,0x10af75b13,...]
> + ! : | + ! 5
> primitiveSmallFloatDivide (in Squeak) + 181,0,...
>
--
Juan Vuletich
cuis.st
github.com/jvuletich
researchgate.net/profile/Juan-Vuletich
independent.academia.edu/JuanVuletich
patents.justia.com/inventor/juan-manuel-vuletich
linkedin.com/in/juan-vuletich-75611b3
twitter.com/JuanVuletich
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