[llvm] Reapply "[llvm-exegesis] Implement the loop repetition mode for AArch64" (#155423) (PR #155589)

Wed Aug 27 05:07:30 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `lldb-aarch64-ubuntu` running on `linaro-lldb-aarch64-ubuntu` while building `llvm` at step 6 "test".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/59/builds/23307

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 6 (test) failure: build (failure)
...
PASS: lldb-unit :: ValueObject/./LLDBValueObjectTests/7/12 (2301 of 2310)
PASS: lldb-unit :: ValueObject/./LLDBValueObjectTests/9/12 (2302 of 2310)
PASS: lldb-unit :: tools/lldb-server/tests/./LLDBServerTests/0/2 (2303 of 2310)
PASS: lldb-unit :: tools/lldb-server/tests/./LLDBServerTests/1/2 (2304 of 2310)
PASS: lldb-unit :: Utility/./UtilityTests/7/8 (2305 of 2310)
PASS: lldb-unit :: Host/./HostTests/5/9 (2306 of 2310)
PASS: lldb-unit :: Target/./TargetTests/11/14 (2307 of 2310)
PASS: lldb-unit :: Host/./HostTests/8/9 (2308 of 2310)
PASS: lldb-unit :: Process/gdb-remote/./ProcessGdbRemoteTests/8/9 (2309 of 2310)
TIMEOUT: lldb-api :: tools/lldb-dap/module/TestDAP_module.py (2310 of 2310)
******************** TEST 'lldb-api :: tools/lldb-dap/module/TestDAP_module.py' FAILED ********************
Script:
--
/usr/bin/python3.10 /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/llvm-project/lldb/test/API/dotest.py -u CXXFLAGS -u CFLAGS --env LLVM_LIBS_DIR=/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./lib --env LLVM_INCLUDE_DIR=/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/include --env LLVM_TOOLS_DIR=/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./bin --arch aarch64 --build-dir /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build.noindex --lldb-module-cache-dir /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build.noindex/module-cache-lldb/lldb-api --clang-module-cache-dir /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build.noindex/module-cache-clang/lldb-api --executable /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./bin/lldb --compiler /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./bin/clang --dsymutil /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./bin/dsymutil --make /usr/bin/gmake --llvm-tools-dir /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./bin --lldb-obj-root /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/tools/lldb --lldb-libs-dir /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./lib --cmake-build-type Release /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/llvm-project/lldb/test/API/tools/lldb-dap/module -p TestDAP_module.py
--
Exit Code: -9
Timeout: Reached timeout of 600 seconds

Command Output (stdout):
--
lldb version 22.0.0git (https://github.com/llvm/llvm-project.git revision 810ac29cfe81cbd8f2e97d06f0acd540f841c754)
  clang revision 810ac29cfe81cbd8f2e97d06f0acd540f841c754
  llvm revision 810ac29cfe81cbd8f2e97d06f0acd540f841c754

--
Command Output (stderr):
--
========= DEBUG ADAPTER PROTOCOL LOGS =========
1756295833.327889681 (stdio) --> {"command":"initialize","type":"request","arguments":{"adapterID":"lldb-native","clientID":"vscode","columnsStartAt1":true,"linesStartAt1":true,"locale":"en-us","pathFormat":"path","supportsRunInTerminalRequest":true,"supportsVariablePaging":true,"supportsVariableType":true,"supportsStartDebuggingRequest":true,"supportsProgressReporting":true,"$__lldb_sourceInitFile":false},"seq":1}
1756295833.327975988 (stdio) queued (command=initialize seq=1)
1756295833.329730988 (stdio) <-- {"body":{"$__lldb_version":"lldb version 22.0.0git (https://github.com/llvm/llvm-project.git revision 810ac29cfe81cbd8f2e97d06f0acd540f841c754)\n  clang revision 810ac29cfe81cbd8f2e97d06f0acd540f841c754\n  llvm revision 810ac29cfe81cbd8f2e97d06f0acd540f841c754","completionTriggerCharacters":["."," ","\t"],"exceptionBreakpointFilters":[{"description":"C++ Catch","filter":"cpp_catch","label":"C++ Catch","supportsCondition":true},{"description":"C++ Throw","filter":"cpp_throw","label":"C++ Throw","supportsCondition":true},{"description":"Objective-C Catch","filter":"objc_catch","label":"Objective-C Catch","supportsCondition":true},{"description":"Objective-C Throw","filter":"objc_throw","label":"Objective-C Throw","supportsCondition":true}],"supportTerminateDebuggee":true,"supportsBreakpointLocationsRequest":true,"supportsCancelRequest":true,"supportsCompletionsRequest":true,"supportsConditionalBreakpoints":true,"supportsConfigurationDoneRequest":true,"supportsDataBreakpoints":true,"supportsDelayedStackTraceLoading":true,"supportsDisassembleRequest":true,"supportsEvaluateForHovers":true,"supportsExceptionFilterOptions":true,"supportsExceptionInfoRequest":true,"supportsFunctionBreakpoints":true,"supportsHitConditionalBreakpoints":true,"supportsInstructionBreakpoints":true,"supportsLogPoints":true,"supportsModuleSymbolsRequest":true,"supportsModulesRequest":true,"supportsReadMemoryRequest":true,"supportsSetVariable":true,"supportsSteppingGranularity":true,"supportsValueFormattingOptions":true,"supportsWriteMemoryRequest":true},"command":"initialize","request_seq":1,"seq":0,"success":true,"type":"response"}
1756295833.329990149 (stdio) --> {"command":"launch","type":"request","arguments":{"program":"/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build.noindex/tools/lldb-dap/module/TestDAP_module.test_compile_units/a.out","initCommands":["settings clear --all","settings set symbols.enable-external-lookup false","settings set target.inherit-tcc true","settings set target.disable-aslr false","settings set target.detach-on-error false","settings set target.auto-apply-fixits false","settings set plugin.process.gdb-remote.packet-timeout 60","settings set symbols.clang-modules-cache-path \"/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build.noindex/module-cache-lldb/lldb-api\"","settings set use-color false","settings set show-statusline false"],"disableASLR":false,"enableAutoVariableSummaries":false,"enableSyntheticChildDebugging":false,"displayExtendedBacktrace":false},"seq":2}
1756295833.330017805 (stdio) queued (command=launch seq=2)
1756295833.330232620 (stdio) <-- {"body":{"category":"console","output":"Running initCommands:\n"},"event":"output","seq":0,"type":"event"}
1756295833.330259562 (stdio) <-- {"body":{"category":"console","output":"(lldb) settings clear --all\n"},"event":"output","seq":0,"type":"event"}
1756295833.330270290 (stdio) <-- {"body":{"category":"console","output":"(lldb) settings set symbols.enable-external-lookup false\n"},"event":"output","seq":0,"type":"event"}
1756295833.330279589 (stdio) <-- {"body":{"category":"console","output":"(lldb) settings set target.inherit-tcc true\n"},"event":"output","seq":0,"type":"event"}
1756295833.330288649 (stdio) <-- {"body":{"category":"console","output":"(lldb) settings set target.disable-aslr false\n"},"event":"output","seq":0,"type":"event"}
1756295833.330297232 (stdio) <-- {"body":{"category":"console","output":"(lldb) settings set target.detach-on-error false\n"},"event":"output","seq":0,"type":"event"}
1756295833.330307007 (stdio) <-- {"body":{"category":"console","output":"(lldb) settings set target.auto-apply-fixits false\n"},"event":"output","seq":0,"type":"event"}
1756295833.330330610 (stdio) <-- {"body":{"category":"console","output":"(lldb) settings set plugin.process.gdb-remote.packet-timeout 60\n"},"event":"output","seq":0,"type":"event"}
1756295833.330340624 (stdio) <-- {"body":{"category":"console","output":"(lldb) settings set symbols.clang-modules-cache-path \"/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build.noindex/module-cache-lldb/lldb-api\"\n"},"event":"output","seq":0,"type":"event"}
1756295833.330349922 (stdio) <-- {"body":{"category":"console","output":"(lldb) settings set use-color false\n"},"event":"output","seq":0,"type":"event"}
1756295833.330358028 (stdio) <-- {"body":{"category":"console","output":"(lldb) settings set show-statusline false\n"},"event":"output","seq":0,"type":"event"}
1756295833.404263496 (stdio) <-- {"command":"launch","request_seq":2,"seq":0,"success":true,"type":"response"}
1756295833.404288054 (stdio) <-- {"body":{"module":{"addressRange":"0xe8dfcc2c3000","id":"494A2EC6-22D7-BF35-9C22-4715AA857100-18DF74F9","name":"ld-linux-aarch64.so.1","path":"/usr/lib/aarch64-linux-gnu/ld-linux-aarch64.so.1","symbolStatus":"Symbols not found."},"reason":"new"},"event":"module","seq":0,"type":"event"}
1756295833.404299974 (stdio) <-- {"event":"initialized","seq":0,"type":"event"}
1756295833.404323101 (stdio) <-- {"body":{"module":{"addressRange":"0xe8dfcc2fc000","id":"8A3679C5-D525-886B-4474-DEA6F3905AAC-6CA1D01D","name":"[vdso]","path":"[vdso]","symbolStatus":"Symbols not found."},"reason":"new"},"event":"module","seq":0,"type":"event"}
1756295833.404411316 (stdio) <-- {"body":{"module":{"addressRange":"0xba2d59e50000","debugInfoSize":"1009B","id":"B3E48844","name":"a.out","path":"/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build.noindex/tools/lldb-dap/module/TestDAP_module.test_compile_units/a.out","symbolFilePath":"/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build.noindex/tools/lldb-dap/module/TestDAP_module.test_compile_units/a.out","symbolStatus":"Symbols loaded."},"reason":"new"},"event":"module","seq":0,"type":"event"}

```

</details>

https://github.com/llvm/llvm-project/pull/155589