Author: Michael Buch Date: 2025-06-24T11:33:00+01:00 New Revision: 371f12f96dc0ba146a66dfb1c30198bf8555893e
URL: https://github.com/llvm/llvm-project/commit/371f12f96dc0ba146a66dfb1c30198bf8555893e DIFF: https://github.com/llvm/llvm-project/commit/371f12f96dc0ba146a66dfb1c30198bf8555893e.diff LOG: Revert "[lldb] Add count for number of DWO files loaded in statistics" (#145494) Reverts llvm/llvm-project#144424 Caused CI failures. macOS CI failure was: ``` 10:20:36 FAIL: test_dwp_dwo_file_count (TestStats.TestCase) 10:20:36 Test "statistics dump" and the loaded dwo file count. 10:20:36 ---------------------------------------------------------------------- 10:20:36 Traceback (most recent call last): 10:20:36 File "/Users/ec2-user/jenkins/workspace/llvm.org/as-lldb-cmake/llvm-project/lldb/test/API/commands/statistics/basic/TestStats.py", line 639, in test_dwp_dwo_file_count 10:20:36 self.assertEqual(debug_stats["totalDwoFileCount"], 2) 10:20:36 AssertionError: 0 != 2 10:20:36 Config=arm64-/Users/ec2-user/jenkins/workspace/llvm.org/as-lldb-cmake/lldb-build/bin/clang 10:20:36 ====================================================================== 10:20:36 FAIL: test_no_debug_names_eager_loads_dwo_files (TestStats.TestCase) 10:20:36 Test the eager loading behavior of DWO files when debug_names is absent by 10:20:36 ---------------------------------------------------------------------- 10:20:36 Traceback (most recent call last): 10:20:36 File "/Users/ec2-user/jenkins/workspace/llvm.org/as-lldb-cmake/llvm-project/lldb/test/API/commands/statistics/basic/TestStats.py", line 566, in test_no_debug_names_eager_loads_dwo_files 10:20:36 self.assertEqual(debug_stats["totalDwoFileCount"], 2) 10:20:36 AssertionError: 0 != 2 10:20:36 Config=arm64-/Users/ec2-user/jenkins/workspace/llvm.org/as-lldb-cmake/lldb-build/bin/clang 10:20:36 ====================================================================== 10:20:36 FAIL: test_split_dwarf_dwo_file_count (TestStats.TestCase) 10:20:36 Test "statistics dump" and the dwo file count. 10:20:36 ---------------------------------------------------------------------- 10:20:36 Traceback (most recent call last): 10:20:36 File "/Users/ec2-user/jenkins/workspace/llvm.org/as-lldb-cmake/llvm-project/lldb/test/API/commands/statistics/basic/TestStats.py", line 588, in test_split_dwarf_dwo_file_count 10:20:36 self.assertEqual(len(debug_stats["modules"]), 1) 10:20:36 AssertionError: 42 != 1 10:20:36 Config=arm64-/Users/ec2-user/jenkins/workspace/llvm.org/as-lldb-cmake/lldb-build/bin/clang ``` Added: Modified: lldb/include/lldb/Symbol/SymbolFile.h lldb/include/lldb/Target/Statistics.h lldb/packages/Python/lldbsuite/test/builders/builder.py lldb/packages/Python/lldbsuite/test/make/Makefile.rules lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.h lldb/source/Target/Statistics.cpp lldb/test/API/commands/statistics/basic/TestStats.py Removed: lldb/test/API/commands/statistics/basic/baz.cpp lldb/test/API/commands/statistics/basic/third.cpp ################################################################################ diff --git a/lldb/include/lldb/Symbol/SymbolFile.h b/lldb/include/lldb/Symbol/SymbolFile.h index b0b608d0a5e79..75c7f230ddf3d 100644 --- a/lldb/include/lldb/Symbol/SymbolFile.h +++ b/lldb/include/lldb/Symbol/SymbolFile.h @@ -472,14 +472,6 @@ class SymbolFile : public PluginInterface { return false; }; - /// Get number of loaded/parsed DWO files. This is emitted in "statistics - /// dump" - /// - /// \returns - /// A pair containing (loaded_dwo_count, total_dwo_count). If this - /// symbol file doesn't support DWO files, both counts will be 0. - virtual std::pair<uint32_t, uint32_t> GetDwoFileCounts() { return {0, 0}; } - virtual lldb::TypeSP MakeType(lldb::user_id_t uid, ConstString name, std::optional<uint64_t> byte_size, SymbolContextScope *context, diff --git a/lldb/include/lldb/Target/Statistics.h b/lldb/include/lldb/Target/Statistics.h index 42f03798c219e..2d0d25cd3c753 100644 --- a/lldb/include/lldb/Target/Statistics.h +++ b/lldb/include/lldb/Target/Statistics.h @@ -153,8 +153,6 @@ struct ModuleStats { bool symtab_stripped = false; bool debug_info_had_variable_errors = false; bool debug_info_had_incomplete_types = false; - uint32_t dwo_file_count = 0; - uint32_t loaded_dwo_file_count = 0; }; struct ConstStringStats { diff --git a/lldb/packages/Python/lldbsuite/test/builders/builder.py b/lldb/packages/Python/lldbsuite/test/builders/builder.py index efb1ba568e3e6..de05732469448 100644 --- a/lldb/packages/Python/lldbsuite/test/builders/builder.py +++ b/lldb/packages/Python/lldbsuite/test/builders/builder.py @@ -247,25 +247,13 @@ def getLLDBObjRoot(self): def _getDebugInfoArgs(self, debug_info): if debug_info is None: return [] - - debug_options = debug_info if isinstance(debug_info, list) else [debug_info] - option_flags = { - "dwarf": {"MAKE_DSYM": "NO"}, - "dwo": {"MAKE_DSYM": "NO", "MAKE_DWO": "YES"}, - "gmodules": {"MAKE_DSYM": "NO", "MAKE_GMODULES": "YES"}, - "debug_names": {"MAKE_DEBUG_NAMES": "YES"}, - "dwp": {"MAKE_DSYM": "NO", "MAKE_DWP": "YES"}, - } - - # Collect all flags, with later options overriding earlier ones - flags = {} - - for option in debug_options: - if not option or option not in option_flags: - return None # Invalid options - flags.update(option_flags[option]) - - return [f"{key}={value}" for key, value in flags.items()] + if debug_info == "dwarf": + return ["MAKE_DSYM=NO"] + if debug_info == "dwo": + return ["MAKE_DSYM=NO", "MAKE_DWO=YES"] + if debug_info == "gmodules": + return ["MAKE_DSYM=NO", "MAKE_GMODULES=YES"] + return None def getBuildCommand( self, diff --git a/lldb/packages/Python/lldbsuite/test/make/Makefile.rules b/lldb/packages/Python/lldbsuite/test/make/Makefile.rules index 58833e1b0cc78..06959f226066a 100644 --- a/lldb/packages/Python/lldbsuite/test/make/Makefile.rules +++ b/lldb/packages/Python/lldbsuite/test/make/Makefile.rules @@ -276,10 +276,6 @@ ifeq "$(MAKE_DWO)" "YES" CFLAGS += -gsplit-dwarf endif -ifeq "$(MAKE_DEBUG_NAMES)" "YES" - CFLAGS += -gpubnames -endif - ifeq "$(USE_PRIVATE_MODULE_CACHE)" "YES" THE_CLANG_MODULE_CACHE_DIR := $(BUILDDIR)/private-module-cache else diff --git a/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp b/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp index c83779c40a05b..71f204c03a42a 100644 --- a/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp +++ b/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp @@ -4420,32 +4420,3 @@ void SymbolFileDWARF::GetCompileOptions( args.insert({comp_unit, Args(flags)}); } } - -std::pair<uint32_t, uint32_t> SymbolFileDWARF::GetDwoFileCounts() { - uint32_t total_dwo_count = 0; - uint32_t loaded_dwo_count = 0; - - DWARFDebugInfo &info = DebugInfo(); - const size_t num_cus = info.GetNumUnits(); - for (size_t cu_idx = 0; cu_idx < num_cus; cu_idx++) { - DWARFUnit *dwarf_cu = info.GetUnitAtIndex(cu_idx); - if (dwarf_cu == nullptr) - continue; - - // Check if this is a DWO unit by checking if it has a DWO ID. - if (!dwarf_cu->GetDWOId().has_value()) - continue; - - total_dwo_count++; - - // If we have a DWO symbol file, that means we were able to successfully - // load it. - SymbolFile *dwo_symfile = - dwarf_cu->GetDwoSymbolFile(/*load_all_debug_info=*/false); - if (dwo_symfile) { - loaded_dwo_count++; - } - } - - return {loaded_dwo_count, total_dwo_count}; -} diff --git a/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.h b/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.h index 8335f11712872..d2d30d7decb16 100644 --- a/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.h +++ b/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.h @@ -282,11 +282,6 @@ class SymbolFileDWARF : public SymbolFileCommon { bool GetSeparateDebugInfo(StructuredData::Dictionary &d, bool errors_only) override; - // Gets a pair of loaded and total dwo file counts. - // For split-dwarf files, this reports the counts for successfully loaded DWO - // CUs and total DWO CUs. For non-split-dwarf files, this reports 0 for both. - std::pair<uint32_t, uint32_t> GetDwoFileCounts() override; - DWARFContext &GetDWARFContext() { return m_context; } const std::shared_ptr<SymbolFileDWARFDwo> &GetDwpSymbolFile(); diff --git a/lldb/source/Target/Statistics.cpp b/lldb/source/Target/Statistics.cpp index 909f335687b21..6ec8f8963baf9 100644 --- a/lldb/source/Target/Statistics.cpp +++ b/lldb/source/Target/Statistics.cpp @@ -73,8 +73,6 @@ json::Value ModuleStats::ToJSON() const { debug_info_had_incomplete_types); module.try_emplace("symbolTableStripped", symtab_stripped); module.try_emplace("symbolTableSymbolCount", symtab_symbol_count); - module.try_emplace("dwoFileCount", dwo_file_count); - module.try_emplace("loadedDwoFileCount", loaded_dwo_file_count); if (!symbol_locator_time.map.empty()) { json::Object obj; @@ -88,7 +86,7 @@ json::Value ModuleStats::ToJSON() const { if (!symfile_modules.empty()) { json::Array symfile_ids; - for (const auto symfile_id : symfile_modules) + for (const auto symfile_id: symfile_modules) symfile_ids.emplace_back(symfile_id); module.try_emplace("symbolFileModuleIdentifiers", std::move(symfile_ids)); } @@ -324,8 +322,6 @@ llvm::json::Value DebuggerStats::ReportStatistics( uint32_t num_modules_with_incomplete_types = 0; uint32_t num_stripped_modules = 0; uint32_t symtab_symbol_count = 0; - uint32_t total_loaded_dwo_file_count = 0; - uint32_t total_dwo_file_count = 0; for (size_t image_idx = 0; image_idx < num_modules; ++image_idx) { Module *module = target != nullptr ? target->GetImages().GetModuleAtIndex(image_idx).get() @@ -357,10 +353,6 @@ llvm::json::Value DebuggerStats::ReportStatistics( for (const auto &symbol_module : symbol_modules.Modules()) module_stat.symfile_modules.push_back((intptr_t)symbol_module.get()); } - std::tie(module_stat.loaded_dwo_file_count, module_stat.dwo_file_count) = - sym_file->GetDwoFileCounts(); - total_dwo_file_count += module_stat.dwo_file_count; - total_loaded_dwo_file_count += module_stat.loaded_dwo_file_count; module_stat.debug_info_index_loaded_from_cache = sym_file->GetDebugInfoIndexWasLoadedFromCache(); if (module_stat.debug_info_index_loaded_from_cache) @@ -435,8 +427,6 @@ llvm::json::Value DebuggerStats::ReportStatistics( {"totalDebugInfoEnabled", num_debug_info_enabled_modules}, {"totalSymbolTableStripped", num_stripped_modules}, {"totalSymbolTableSymbolCount", symtab_symbol_count}, - {"totalLoadedDwoFileCount", total_loaded_dwo_file_count}, - {"totalDwoFileCount", total_dwo_file_count}, }; if (include_targets) { diff --git a/lldb/test/API/commands/statistics/basic/TestStats.py b/lldb/test/API/commands/statistics/basic/TestStats.py index 5281bde4c6479..83132b40d85db 100644 --- a/lldb/test/API/commands/statistics/basic/TestStats.py +++ b/lldb/test/API/commands/statistics/basic/TestStats.py @@ -177,8 +177,6 @@ def test_default_no_run(self): "totalDebugInfoIndexLoadedFromCache", "totalDebugInfoIndexSavedToCache", "totalDebugInfoParseTime", - "totalDwoFileCount", - "totalLoadedDwoFileCount", ] self.verify_keys(debug_stats, '"debug_stats"', debug_stat_keys, None) if self.getPlatform() != "windows": @@ -289,8 +287,6 @@ def test_default_with_run(self): "totalDebugInfoIndexLoadedFromCache", "totalDebugInfoIndexSavedToCache", "totalDebugInfoParseTime", - "totalDwoFileCount", - "totalLoadedDwoFileCount", ] self.verify_keys(debug_stats, '"debug_stats"', debug_stat_keys, None) stats = debug_stats["targets"][0] @@ -329,8 +325,6 @@ def test_memory(self): "totalDebugInfoIndexLoadedFromCache", "totalDebugInfoIndexSavedToCache", "totalDebugInfoByteSize", - "totalDwoFileCount", - "totalLoadedDwoFileCount", ] self.verify_keys(debug_stats, '"debug_stats"', debug_stat_keys, None) @@ -383,8 +377,6 @@ def test_modules(self): "totalDebugInfoIndexLoadedFromCache", "totalDebugInfoIndexSavedToCache", "totalDebugInfoByteSize", - "totalDwoFileCount", - "totalLoadedDwoFileCount", ] self.verify_keys(debug_stats, '"debug_stats"', debug_stat_keys, None) stats = debug_stats["targets"][0] @@ -405,8 +397,6 @@ def test_modules(self): "symbolTableLoadedFromCache", "symbolTableParseTime", "symbolTableSavedToCache", - "dwoFileCount", - "loadedDwoFileCount", "triple", "uuid", ] @@ -495,8 +485,6 @@ def test_breakpoints(self): "totalDebugInfoIndexLoadedFromCache", "totalDebugInfoIndexSavedToCache", "totalDebugInfoByteSize", - "totalDwoFileCount", - "totalLoadedDwoFileCount", ] self.verify_keys(debug_stats, '"debug_stats"', debug_stat_keys, None) target_stats = debug_stats["targets"][0] @@ -524,132 +512,6 @@ def test_breakpoints(self): self.verify_keys( breakpoint, 'target_stats["breakpoints"]', bp_keys_exist, None ) - def test_non_split_dwarf_has_no_dwo_files(self): - """ - Test "statistics dump" and the dwo file count. - Builds a binary without split-dwarf mode, and then - verifies the dwo file count is zero after running "statistics dump" - """ - da = {"CXX_SOURCES": "third.cpp baz.cpp", "EXE": self.getBuildArtifact("a.out")} - self.build(dictionary=da, debug_info=["debug_names"]) - self.addTearDownCleanup(dictionary=da) - exe = self.getBuildArtifact("a.out") - target = self.createTestTarget(file_path=exe) - debug_stats = self.get_stats() - self.assertIn("totalDwoFileCount", debug_stats) - self.assertIn("totalLoadedDwoFileCount", debug_stats) - - # Verify that the dwo file count is zero - self.assertEqual(debug_stats["totalDwoFileCount"], 0) - self.assertEqual(debug_stats["totalLoadedDwoFileCount"], 0) - - def test_no_debug_names_eager_loads_dwo_files(self): - """ - Test the eager loading behavior of DWO files when debug_names is absent by - building a split-dwarf binary without debug_names and then running "statistics dump". - DWO file loading behavior: - - With debug_names: DebugNamesDWARFIndex allows for lazy loading. - DWO files are loaded on-demand when symbols are actually looked up - - Without debug_names: ManualDWARFIndex uses eager loading. - All DWO files are loaded upfront during the first symbol lookup to build a manual index. - """ - da = {"CXX_SOURCES": "third.cpp baz.cpp", "EXE": self.getBuildArtifact("a.out")} - self.build(dictionary=da, debug_info=["dwo"]) - self.addTearDownCleanup(dictionary=da) - exe = self.getBuildArtifact("a.out") - target = self.createTestTarget(file_path=exe) - debug_stats = self.get_stats() - self.assertIn("totalDwoFileCount", debug_stats) - self.assertIn("totalLoadedDwoFileCount", debug_stats) - - # Verify that all DWO files are loaded - self.assertEqual(debug_stats["totalDwoFileCount"], 2) - self.assertEqual(debug_stats["totalLoadedDwoFileCount"], 2) - - def test_split_dwarf_dwo_file_count(self): - """ - Test "statistics dump" and the dwo file count. - Builds a binary w/ separate .dwo files and debug_names, and then - verifies the loaded dwo file count is the expected count after running - various commands - """ - da = {"CXX_SOURCES": "third.cpp baz.cpp", "EXE": self.getBuildArtifact("a.out")} - # -gsplit-dwarf creates separate .dwo files, - # -gpubnames enables the debug_names accelerator tables for faster symbol lookup - # and lazy loading of DWO files - # Expected output: third.dwo (contains main) and baz.dwo (contains Baz struct/function) - self.build(dictionary=da, debug_info=["dwo", "debug_names"]) - self.addTearDownCleanup(dictionary=da) - exe = self.getBuildArtifact("a.out") - target = self.createTestTarget(file_path=exe) - debug_stats = self.get_stats() - - # 1) 2 DWO files available but none loaded yet - self.assertEqual(len(debug_stats["modules"]), 1) - self.assertIn("totalLoadedDwoFileCount", debug_stats) - self.assertIn("totalDwoFileCount", debug_stats) - self.assertEqual(debug_stats["totalLoadedDwoFileCount"], 0) - self.assertEqual(debug_stats["totalDwoFileCount"], 2) - - # Since there's only one module, module stats should have the same counts as total counts - self.assertIn("dwoFileCount", debug_stats["modules"][0]) - self.assertIn("loadedDwoFileCount", debug_stats["modules"][0]) - self.assertEqual(debug_stats["modules"][0]["loadedDwoFileCount"], 0) - self.assertEqual(debug_stats["modules"][0]["dwoFileCount"], 2) - - # 2) Setting breakpoint in main triggers loading of third.dwo (contains main function) - self.runCmd("b main") - debug_stats = self.get_stats() - self.assertEqual(debug_stats["totalLoadedDwoFileCount"], 1) - self.assertEqual(debug_stats["totalDwoFileCount"], 2) - - self.assertEqual(debug_stats["modules"][0]["loadedDwoFileCount"], 1) - self.assertEqual(debug_stats["modules"][0]["dwoFileCount"], 2) - - # 3) Type lookup forces loading of baz.dwo (contains struct Baz definition) - self.runCmd("type lookup Baz") - debug_stats = self.get_stats() - self.assertEqual(debug_stats["totalLoadedDwoFileCount"], 2) - self.assertEqual(debug_stats["totalDwoFileCount"], 2) - - self.assertEqual(debug_stats["modules"][0]["loadedDwoFileCount"], 2) - self.assertEqual(debug_stats["modules"][0]["dwoFileCount"], 2) - - def test_dwp_dwo_file_count(self): - """ - Test "statistics dump" and the loaded dwo file count. - Builds a binary w/ a separate .dwp file and debug_names, and then - verifies the loaded dwo file count is the expected count after running - various commands. - - We expect the DWO file counters to reflect the number of compile units - loaded from the DWP file (each representing what was originally a separate DWO file) - """ - da = {"CXX_SOURCES": "third.cpp baz.cpp", "EXE": self.getBuildArtifact("a.out")} - self.build(dictionary=da, debug_info=["dwp", "debug_names"]) - self.addTearDownCleanup(dictionary=da) - exe = self.getBuildArtifact("a.out") - target = self.createTestTarget(file_path=exe) - debug_stats = self.get_stats() - - # Initially: 2 DWO files available but none loaded yet - self.assertIn("totalLoadedDwoFileCount", debug_stats) - self.assertIn("totalDwoFileCount", debug_stats) - self.assertEqual(debug_stats["totalLoadedDwoFileCount"], 0) - self.assertEqual(debug_stats["totalDwoFileCount"], 2) - - # Setting breakpoint in main triggers parsing of the CU within a.dwp corresponding to third.dwo (contains main function) - self.runCmd("b main") - debug_stats = self.get_stats() - self.assertEqual(debug_stats["totalLoadedDwoFileCount"], 1) - self.assertEqual(debug_stats["totalDwoFileCount"], 2) - - # Type lookup forces parsing of the CU within a.dwp corresponding to baz.dwo (contains struct Baz definition) - self.runCmd("type lookup Baz") - debug_stats = self.get_stats() - self.assertEqual(debug_stats["totalDwoFileCount"], 2) - self.assertEqual(debug_stats["totalLoadedDwoFileCount"], 2) - @skipUnlessDarwin @no_debug_info_test diff --git a/lldb/test/API/commands/statistics/basic/baz.cpp b/lldb/test/API/commands/statistics/basic/baz.cpp deleted file mode 100644 index 536758b17d839..0000000000000 --- a/lldb/test/API/commands/statistics/basic/baz.cpp +++ /dev/null @@ -1,12 +0,0 @@ -// Helper that the lldb command `statistics dump` works in split-dwarf mode. - -struct Baz { - int x; - bool y; -}; - -void baz() { - Baz b; - b.x = 1; - b.y = true; -} diff --git a/lldb/test/API/commands/statistics/basic/third.cpp b/lldb/test/API/commands/statistics/basic/third.cpp deleted file mode 100644 index 3943b9c2faafe..0000000000000 --- a/lldb/test/API/commands/statistics/basic/third.cpp +++ /dev/null @@ -1,7 +0,0 @@ -// Test that the lldb command `statistics dump` works. - -void baz(); -int main(void) { - baz(); - return 0; -} _______________________________________________ lldb-commits mailing list lldb-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits
