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| ID | Category | Severity | Reproducibility | Date Submitted | Last Update | ||||
| 0007158 | [Squeak] Tools | minor | always | 08-20-08 08:05 | 02-06-11 23:47 | ||||
| Reporter | matthewf | View Status | public | ||||||
| Assigned To | matthewf | ||||||||
| Priority | normal | Resolution | fixed | ||||||
| Status | closed | Product Version | |||||||
| Summary | 0007158: Pointer tracing tools do not consistently find pointers | ||||||||
| Description |
There are two tools in Squeak to figure out why an object that has been deleted is not being garbage collected: the PointerExplorer and the PointerFinder. Both of them don't find certain classes of pointers The PointerExplorer doesn't know that instances "point" to their class, as far as the garbage collector is concerned The PointerFinder doesn't know that CompiledMethods contain pointers |
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| Additional Information | |||||||||
| Attached Files |
 TracingFixes-M7158.mtf.cs [^] (22,816 bytes) 08-20-08 08:16 |
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(0012505 - 881 - 1013 - 1013 - 1112 - 1112 - 1112) matthewf 08-20-08 08:24 edited on: 08-20-08 08:25 |
I uploaded a change that fixes both problems in a bit cleaner way than did the previous fix in 0002715. I created a category in Object/ProtoObject named tracing which contains the best implementation of 4 simple methods: outboundPointers outboundPointersDo: inboundPointers inboundPointersExcluding: pointsTo: These superceed Utilities pointersTo:excluding: PointerFinder pointersTo:excluding: PointerFinder >> followObject: I then re-implemented the tools to use these methods, simplifying them in the process. There was an existing method named pointsTo:; I renamed it to instVarsInclude: and modified senders who did not expect it to visit classes. The only sender who used it in this way was MethodDictionary>>includes: Finally, I made two convenience methods: Object >> explorePointers opens a pointer explorer Object >> chasePointers opens a pointer finder |
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(0012506 - 84 - 116 - 116 - 116 - 116 - 116) matthewf 08-20-08 08:27 |
"fix begin" Installer mantis bug: 7158 fix: 'TracingFixes-M7158.mtf.cs'. "fix end" |
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(0013773 - 224 - 254 - 254 - 254 - 254 - 254) matthewf 05-15-10 19:27 |
This is in the trunk inbox. There is a possible load order issue with the Kernel package, so I split it into two parts. Load the following 4 packages in order: Kernel-mtf.421 Kernel-mtf.422 System-mtf.293 Tools-mtf.208 |
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(0013799 - 222 - 222 - 222 - 222 - 222 - 222) matthewf 06-03-10 13:13 |
I merged Kernel-mtf.421 into trunk (Kernel-mtf.454); it is just a single method addition, and will prevent loading the rest of this package from encountering an emergency evaluator if someone tries to load it in the future |
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(0013984 - 20 - 20 - 20 - 20 - 20 - 20) matthewf 12-14-10 03:19 |
This is now in trunk |
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Issue History |
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| Date Modified | Username | Field | Change |
| 08-20-08 08:05 | matthewf | New Issue | |
| 08-20-08 08:06 | matthewf | Relationship added | duplicate of 0002715 |
| 08-20-08 08:16 | matthewf | File Added: TracingFixes-M7158.mtf.cs | |
| 08-20-08 08:24 | matthewf | Note Added: 0012505 | |
| 08-20-08 08:25 | matthewf | Relationship replaced | has duplicate 0002715 |
| 08-20-08 08:25 | matthewf | Note Edited: 0012505 | |
| 08-20-08 08:27 | matthewf | Note Added: 0012506 | |
| 01-10-09 02:13 | Keith_Hodges | Status | new => pending |
| 04-09-09 18:13 | KenCausey | Category | Debugger => Tools |
| 08-19-09 20:15 | sheriw | Issue Monitored: sheriw | |
| 05-15-10 19:27 | matthewf | Note Added: 0013773 | |
| 06-03-10 12:42 | matthewf | Status | pending => assigned |
| 06-03-10 12:42 | matthewf | Assigned To | => matthewf |
| 06-03-10 12:43 | matthewf | Relationship added | has duplicate 0007126 |
| 06-03-10 12:44 | matthewf | Relationship deleted | has duplicate 0007126 |
| 06-03-10 13:13 | matthewf | Note Added: 0013799 | |
| 12-14-10 03:19 | matthewf | Status | assigned => resolved |
| 12-14-10 03:19 | matthewf | Fixed in Version | => trunk |
| 12-14-10 03:19 | matthewf | Resolution | open => fixed |
| 12-14-10 03:19 | matthewf | Note Added: 0013984 | |
| 02-06-11 23:47 | leves | Status | resolved => closed |
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