| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <gtest/gtest.h> |
| |
| #include "art_method-inl.h" |
| #include "base/unix_file/fd_file.h" |
| #include "common_runtime_test.h" |
| #include "exec_utils.h" |
| #include "jit/profile_compilation_info.h" |
| #include "linear_alloc.h" |
| #include "mirror/class-inl.h" |
| #include "obj_ptr-inl.h" |
| #include "profile_assistant.h" |
| #include "scoped_thread_state_change-inl.h" |
| #include "utils.h" |
| |
| namespace art { |
| |
| class ProfileAssistantTest : public CommonRuntimeTest { |
| public: |
| void PostRuntimeCreate() OVERRIDE { |
| arena_.reset(new ArenaAllocator(Runtime::Current()->GetArenaPool())); |
| } |
| |
| protected: |
| void SetupProfile(const std::string& id, |
| uint32_t checksum, |
| uint16_t number_of_methods, |
| uint16_t number_of_classes, |
| const ScratchFile& profile, |
| ProfileCompilationInfo* info, |
| uint16_t start_method_index = 0, |
| bool reverse_dex_write_order = false) { |
| std::string dex_location1 = "location1" + id; |
| uint32_t dex_location_checksum1 = checksum; |
| std::string dex_location2 = "location2" + id; |
| uint32_t dex_location_checksum2 = 10 * checksum; |
| for (uint16_t i = start_method_index; i < start_method_index + number_of_methods; i++) { |
| // reverse_dex_write_order controls the order in which the dex files will be added to |
| // the profile and thus written to disk. |
| ProfileCompilationInfo::OfflineProfileMethodInfo pmi = |
| GetOfflineProfileMethodInfo(dex_location1, dex_location_checksum1, |
| dex_location2, dex_location_checksum2); |
| if (reverse_dex_write_order) { |
| ASSERT_TRUE(info->AddMethod(dex_location2, dex_location_checksum2, i, pmi)); |
| ASSERT_TRUE(info->AddMethod(dex_location1, dex_location_checksum1, i, pmi)); |
| } else { |
| ASSERT_TRUE(info->AddMethod(dex_location1, dex_location_checksum1, i, pmi)); |
| ASSERT_TRUE(info->AddMethod(dex_location2, dex_location_checksum2, i, pmi)); |
| } |
| } |
| for (uint16_t i = 0; i < number_of_classes; i++) { |
| ASSERT_TRUE(info->AddClassIndex(dex_location1, dex_location_checksum1, dex::TypeIndex(i))); |
| } |
| |
| ASSERT_TRUE(info->Save(GetFd(profile))); |
| ASSERT_EQ(0, profile.GetFile()->Flush()); |
| ASSERT_TRUE(profile.GetFile()->ResetOffset()); |
| } |
| |
| // Creates an inline cache which will be destructed at the end of the test. |
| ProfileCompilationInfo::InlineCacheMap* CreateInlineCacheMap() { |
| used_inline_caches.emplace_back(new ProfileCompilationInfo::InlineCacheMap( |
| std::less<uint16_t>(), arena_->Adapter(kArenaAllocProfile))); |
| return used_inline_caches.back().get(); |
| } |
| |
| ProfileCompilationInfo::OfflineProfileMethodInfo GetOfflineProfileMethodInfo( |
| const std::string& dex_location1, uint32_t dex_checksum1, |
| const std::string& dex_location2, uint32_t dex_checksum2) { |
| ProfileCompilationInfo::InlineCacheMap* ic_map = CreateInlineCacheMap(); |
| ProfileCompilationInfo::OfflineProfileMethodInfo pmi(ic_map); |
| pmi.dex_references.emplace_back(dex_location1, dex_checksum1); |
| pmi.dex_references.emplace_back(dex_location2, dex_checksum2); |
| |
| // Monomorphic |
| for (uint16_t dex_pc = 0; dex_pc < 11; dex_pc++) { |
| ProfileCompilationInfo::DexPcData dex_pc_data(arena_.get()); |
| dex_pc_data.AddClass(0, dex::TypeIndex(0)); |
| ic_map->Put(dex_pc, dex_pc_data); |
| } |
| // Polymorphic |
| for (uint16_t dex_pc = 11; dex_pc < 22; dex_pc++) { |
| ProfileCompilationInfo::DexPcData dex_pc_data(arena_.get()); |
| dex_pc_data.AddClass(0, dex::TypeIndex(0)); |
| dex_pc_data.AddClass(1, dex::TypeIndex(1)); |
| |
| ic_map->Put(dex_pc, dex_pc_data); |
| } |
| // Megamorphic |
| for (uint16_t dex_pc = 22; dex_pc < 33; dex_pc++) { |
| ProfileCompilationInfo::DexPcData dex_pc_data(arena_.get()); |
| dex_pc_data.SetIsMegamorphic(); |
| ic_map->Put(dex_pc, dex_pc_data); |
| } |
| // Missing types |
| for (uint16_t dex_pc = 33; dex_pc < 44; dex_pc++) { |
| ProfileCompilationInfo::DexPcData dex_pc_data(arena_.get()); |
| dex_pc_data.SetIsMissingTypes(); |
| ic_map->Put(dex_pc, dex_pc_data); |
| } |
| |
| return pmi; |
| } |
| |
| int GetFd(const ScratchFile& file) const { |
| return static_cast<int>(file.GetFd()); |
| } |
| |
| void CheckProfileInfo(ScratchFile& file, const ProfileCompilationInfo& info) { |
| ProfileCompilationInfo file_info; |
| ASSERT_TRUE(file.GetFile()->ResetOffset()); |
| ASSERT_TRUE(file_info.Load(GetFd(file))); |
| ASSERT_TRUE(file_info.Equals(info)); |
| } |
| |
| std::string GetProfmanCmd() { |
| std::string file_path = GetTestAndroidRoot(); |
| file_path += "/bin/profman"; |
| if (kIsDebugBuild) { |
| file_path += "d"; |
| } |
| EXPECT_TRUE(OS::FileExists(file_path.c_str())) |
| << file_path << " should be a valid file path"; |
| return file_path; |
| } |
| // Runs test with given arguments. |
| int ProcessProfiles(const std::vector<int>& profiles_fd, int reference_profile_fd) { |
| std::string profman_cmd = GetProfmanCmd(); |
| std::vector<std::string> argv_str; |
| argv_str.push_back(profman_cmd); |
| for (size_t k = 0; k < profiles_fd.size(); k++) { |
| argv_str.push_back("--profile-file-fd=" + std::to_string(profiles_fd[k])); |
| } |
| argv_str.push_back("--reference-profile-file-fd=" + std::to_string(reference_profile_fd)); |
| |
| std::string error; |
| return ExecAndReturnCode(argv_str, &error); |
| } |
| |
| bool GenerateTestProfile(const std::string& filename) { |
| std::string profman_cmd = GetProfmanCmd(); |
| std::vector<std::string> argv_str; |
| argv_str.push_back(profman_cmd); |
| argv_str.push_back("--generate-test-profile=" + filename); |
| std::string error; |
| return ExecAndReturnCode(argv_str, &error); |
| } |
| |
| bool GenerateTestProfileWithInputDex(const std::string& filename) { |
| std::string profman_cmd = GetProfmanCmd(); |
| std::vector<std::string> argv_str; |
| argv_str.push_back(profman_cmd); |
| argv_str.push_back("--generate-test-profile=" + filename); |
| argv_str.push_back("--generate-test-profile-seed=0"); |
| argv_str.push_back("--apk=" + GetLibCoreDexFileNames()[0]); |
| argv_str.push_back("--dex-location=" + GetLibCoreDexFileNames()[0]); |
| std::string error; |
| return ExecAndReturnCode(argv_str, &error); |
| } |
| |
| bool CreateProfile(std::string profile_file_contents, |
| const std::string& filename, |
| const std::string& dex_location) { |
| ScratchFile class_names_file; |
| File* file = class_names_file.GetFile(); |
| EXPECT_TRUE(file->WriteFully(profile_file_contents.c_str(), profile_file_contents.length())); |
| EXPECT_EQ(0, file->Flush()); |
| EXPECT_TRUE(file->ResetOffset()); |
| std::string profman_cmd = GetProfmanCmd(); |
| std::vector<std::string> argv_str; |
| argv_str.push_back(profman_cmd); |
| argv_str.push_back("--create-profile-from=" + class_names_file.GetFilename()); |
| argv_str.push_back("--reference-profile-file=" + filename); |
| argv_str.push_back("--apk=" + dex_location); |
| argv_str.push_back("--dex-location=" + dex_location); |
| std::string error; |
| EXPECT_EQ(ExecAndReturnCode(argv_str, &error), 0); |
| return true; |
| } |
| |
| bool DumpClassesAndMethods(const std::string& filename, std::string* file_contents) { |
| ScratchFile class_names_file; |
| std::string profman_cmd = GetProfmanCmd(); |
| std::vector<std::string> argv_str; |
| argv_str.push_back(profman_cmd); |
| argv_str.push_back("--dump-classes-and-methods"); |
| argv_str.push_back("--profile-file=" + filename); |
| argv_str.push_back("--apk=" + GetLibCoreDexFileNames()[0]); |
| argv_str.push_back("--dex-location=" + GetLibCoreDexFileNames()[0]); |
| argv_str.push_back("--dump-output-to-fd=" + std::to_string(GetFd(class_names_file))); |
| std::string error; |
| EXPECT_EQ(ExecAndReturnCode(argv_str, &error), 0); |
| File* file = class_names_file.GetFile(); |
| EXPECT_EQ(0, file->Flush()); |
| EXPECT_TRUE(file->ResetOffset()); |
| int64_t length = file->GetLength(); |
| std::unique_ptr<char[]> buf(new char[length]); |
| EXPECT_EQ(file->Read(buf.get(), length, 0), length); |
| *file_contents = std::string(buf.get(), length); |
| return true; |
| } |
| |
| bool CreateAndDump(const std::string& input_file_contents, |
| std::string* output_file_contents) { |
| ScratchFile profile_file; |
| EXPECT_TRUE(CreateProfile(input_file_contents, |
| profile_file.GetFilename(), |
| GetLibCoreDexFileNames()[0])); |
| profile_file.GetFile()->ResetOffset(); |
| EXPECT_TRUE(DumpClassesAndMethods(profile_file.GetFilename(), output_file_contents)); |
| return true; |
| } |
| |
| mirror::Class* GetClass(jobject class_loader, const std::string& clazz) { |
| ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| Thread* self = Thread::Current(); |
| ScopedObjectAccess soa(self); |
| StackHandleScope<1> hs(self); |
| Handle<mirror::ClassLoader> h_loader( |
| hs.NewHandle(ObjPtr<mirror::ClassLoader>::DownCast(self->DecodeJObject(class_loader)))); |
| return class_linker->FindClass(self, clazz.c_str(), h_loader); |
| } |
| |
| ArtMethod* GetVirtualMethod(jobject class_loader, |
| const std::string& clazz, |
| const std::string& name) { |
| mirror::Class* klass = GetClass(class_loader, clazz); |
| ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| const auto pointer_size = class_linker->GetImagePointerSize(); |
| ArtMethod* method = nullptr; |
| Thread* self = Thread::Current(); |
| ScopedObjectAccess soa(self); |
| for (auto& m : klass->GetVirtualMethods(pointer_size)) { |
| if (name == m.GetName()) { |
| EXPECT_TRUE(method == nullptr); |
| method = &m; |
| } |
| } |
| return method; |
| } |
| |
| // Verify that given method has the expected inline caches and nothing else. |
| void AssertInlineCaches(ArtMethod* method, |
| const std::set<mirror::Class*>& expected_clases, |
| const ProfileCompilationInfo& info, |
| bool is_megamorphic, |
| bool is_missing_types) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| std::unique_ptr<ProfileCompilationInfo::OfflineProfileMethodInfo> pmi = |
| info.GetMethod(method->GetDexFile()->GetLocation(), |
| method->GetDexFile()->GetLocationChecksum(), |
| method->GetDexMethodIndex()); |
| ASSERT_TRUE(pmi != nullptr); |
| ASSERT_EQ(pmi->inline_caches->size(), 1u); |
| const ProfileCompilationInfo::DexPcData& dex_pc_data = pmi->inline_caches->begin()->second; |
| |
| ASSERT_EQ(dex_pc_data.is_megamorphic, is_megamorphic); |
| ASSERT_EQ(dex_pc_data.is_missing_types, is_missing_types); |
| ASSERT_EQ(expected_clases.size(), dex_pc_data.classes.size()); |
| size_t found = 0; |
| for (mirror::Class* it : expected_clases) { |
| for (const auto& class_ref : dex_pc_data.classes) { |
| ProfileCompilationInfo::DexReference dex_ref = |
| pmi->dex_references[class_ref.dex_profile_index]; |
| if (dex_ref.MatchesDex(&(it->GetDexFile())) && |
| class_ref.type_index == it->GetDexTypeIndex()) { |
| found++; |
| } |
| } |
| } |
| |
| ASSERT_EQ(expected_clases.size(), found); |
| } |
| |
| std::unique_ptr<ArenaAllocator> arena_; |
| |
| // Cache of inline caches generated during tests. |
| // This makes it easier to pass data between different utilities and ensure that |
| // caches are destructed at the end of the test. |
| std::vector<std::unique_ptr<ProfileCompilationInfo::InlineCacheMap>> used_inline_caches; |
| }; |
| |
| TEST_F(ProfileAssistantTest, AdviseCompilationEmptyReferences) { |
| ScratchFile profile1; |
| ScratchFile profile2; |
| ScratchFile reference_profile; |
| |
| std::vector<int> profile_fds({ |
| GetFd(profile1), |
| GetFd(profile2)}); |
| int reference_profile_fd = GetFd(reference_profile); |
| |
| const uint16_t kNumberOfMethodsToEnableCompilation = 100; |
| ProfileCompilationInfo info1; |
| SetupProfile("p1", 1, kNumberOfMethodsToEnableCompilation, 0, profile1, &info1); |
| ProfileCompilationInfo info2; |
| SetupProfile("p2", 2, kNumberOfMethodsToEnableCompilation, 0, profile2, &info2); |
| |
| // We should advise compilation. |
| ASSERT_EQ(ProfileAssistant::kCompile, |
| ProcessProfiles(profile_fds, reference_profile_fd)); |
| // The resulting compilation info must be equal to the merge of the inputs. |
| ProfileCompilationInfo result; |
| ASSERT_TRUE(reference_profile.GetFile()->ResetOffset()); |
| ASSERT_TRUE(result.Load(reference_profile_fd)); |
| |
| ProfileCompilationInfo expected; |
| ASSERT_TRUE(expected.MergeWith(info1)); |
| ASSERT_TRUE(expected.MergeWith(info2)); |
| ASSERT_TRUE(expected.Equals(result)); |
| |
| // The information from profiles must remain the same. |
| CheckProfileInfo(profile1, info1); |
| CheckProfileInfo(profile2, info2); |
| } |
| |
| // TODO(calin): Add more tests for classes. |
| TEST_F(ProfileAssistantTest, AdviseCompilationEmptyReferencesBecauseOfClasses) { |
| ScratchFile profile1; |
| ScratchFile reference_profile; |
| |
| std::vector<int> profile_fds({ |
| GetFd(profile1)}); |
| int reference_profile_fd = GetFd(reference_profile); |
| |
| const uint16_t kNumberOfClassesToEnableCompilation = 100; |
| ProfileCompilationInfo info1; |
| SetupProfile("p1", 1, 0, kNumberOfClassesToEnableCompilation, profile1, &info1); |
| |
| // We should advise compilation. |
| ASSERT_EQ(ProfileAssistant::kCompile, |
| ProcessProfiles(profile_fds, reference_profile_fd)); |
| // The resulting compilation info must be equal to the merge of the inputs. |
| ProfileCompilationInfo result; |
| ASSERT_TRUE(reference_profile.GetFile()->ResetOffset()); |
| ASSERT_TRUE(result.Load(reference_profile_fd)); |
| |
| ProfileCompilationInfo expected; |
| ASSERT_TRUE(expected.MergeWith(info1)); |
| ASSERT_TRUE(expected.Equals(result)); |
| |
| // The information from profiles must remain the same. |
| CheckProfileInfo(profile1, info1); |
| } |
| |
| TEST_F(ProfileAssistantTest, AdviseCompilationNonEmptyReferences) { |
| ScratchFile profile1; |
| ScratchFile profile2; |
| ScratchFile reference_profile; |
| |
| std::vector<int> profile_fds({ |
| GetFd(profile1), |
| GetFd(profile2)}); |
| int reference_profile_fd = GetFd(reference_profile); |
| |
| // The new profile info will contain the methods with indices 0-100. |
| const uint16_t kNumberOfMethodsToEnableCompilation = 100; |
| ProfileCompilationInfo info1; |
| SetupProfile("p1", 1, kNumberOfMethodsToEnableCompilation, 0, profile1, &info1); |
| ProfileCompilationInfo info2; |
| SetupProfile("p2", 2, kNumberOfMethodsToEnableCompilation, 0, profile2, &info2); |
| |
| |
| // The reference profile info will contain the methods with indices 50-150. |
| const uint16_t kNumberOfMethodsAlreadyCompiled = 100; |
| ProfileCompilationInfo reference_info; |
| SetupProfile("p1", 1, kNumberOfMethodsAlreadyCompiled, 0, reference_profile, |
| &reference_info, kNumberOfMethodsToEnableCompilation / 2); |
| |
| // We should advise compilation. |
| ASSERT_EQ(ProfileAssistant::kCompile, |
| ProcessProfiles(profile_fds, reference_profile_fd)); |
| |
| // The resulting compilation info must be equal to the merge of the inputs |
| ProfileCompilationInfo result; |
| ASSERT_TRUE(reference_profile.GetFile()->ResetOffset()); |
| ASSERT_TRUE(result.Load(reference_profile_fd)); |
| |
| ProfileCompilationInfo expected; |
| ASSERT_TRUE(expected.MergeWith(info1)); |
| ASSERT_TRUE(expected.MergeWith(info2)); |
| ASSERT_TRUE(expected.MergeWith(reference_info)); |
| ASSERT_TRUE(expected.Equals(result)); |
| |
| // The information from profiles must remain the same. |
| CheckProfileInfo(profile1, info1); |
| CheckProfileInfo(profile2, info2); |
| } |
| |
| TEST_F(ProfileAssistantTest, DoNotAdviseCompilation) { |
| ScratchFile profile1; |
| ScratchFile profile2; |
| ScratchFile reference_profile; |
| |
| std::vector<int> profile_fds({ |
| GetFd(profile1), |
| GetFd(profile2)}); |
| int reference_profile_fd = GetFd(reference_profile); |
| |
| const uint16_t kNumberOfMethodsToSkipCompilation = 1; |
| ProfileCompilationInfo info1; |
| SetupProfile("p1", 1, kNumberOfMethodsToSkipCompilation, 0, profile1, &info1); |
| ProfileCompilationInfo info2; |
| SetupProfile("p2", 2, kNumberOfMethodsToSkipCompilation, 0, profile2, &info2); |
| |
| // We should not advise compilation. |
| ASSERT_EQ(ProfileAssistant::kSkipCompilation, |
| ProcessProfiles(profile_fds, reference_profile_fd)); |
| |
| // The information from profiles must remain the same. |
| ProfileCompilationInfo file_info1; |
| ASSERT_TRUE(profile1.GetFile()->ResetOffset()); |
| ASSERT_TRUE(file_info1.Load(GetFd(profile1))); |
| ASSERT_TRUE(file_info1.Equals(info1)); |
| |
| ProfileCompilationInfo file_info2; |
| ASSERT_TRUE(profile2.GetFile()->ResetOffset()); |
| ASSERT_TRUE(file_info2.Load(GetFd(profile2))); |
| ASSERT_TRUE(file_info2.Equals(info2)); |
| |
| // Reference profile files must remain empty. |
| ASSERT_EQ(0, reference_profile.GetFile()->GetLength()); |
| |
| // The information from profiles must remain the same. |
| CheckProfileInfo(profile1, info1); |
| CheckProfileInfo(profile2, info2); |
| } |
| |
| TEST_F(ProfileAssistantTest, FailProcessingBecauseOfProfiles) { |
| ScratchFile profile1; |
| ScratchFile profile2; |
| ScratchFile reference_profile; |
| |
| std::vector<int> profile_fds({ |
| GetFd(profile1), |
| GetFd(profile2)}); |
| int reference_profile_fd = GetFd(reference_profile); |
| |
| const uint16_t kNumberOfMethodsToEnableCompilation = 100; |
| // Assign different hashes for the same dex file. This will make merging of information to fail. |
| ProfileCompilationInfo info1; |
| SetupProfile("p1", 1, kNumberOfMethodsToEnableCompilation, 0, profile1, &info1); |
| ProfileCompilationInfo info2; |
| SetupProfile("p1", 2, kNumberOfMethodsToEnableCompilation, 0, profile2, &info2); |
| |
| // We should fail processing. |
| ASSERT_EQ(ProfileAssistant::kErrorBadProfiles, |
| ProcessProfiles(profile_fds, reference_profile_fd)); |
| |
| // The information from profiles must remain the same. |
| CheckProfileInfo(profile1, info1); |
| CheckProfileInfo(profile2, info2); |
| |
| // Reference profile files must still remain empty. |
| ASSERT_EQ(0, reference_profile.GetFile()->GetLength()); |
| } |
| |
| TEST_F(ProfileAssistantTest, FailProcessingBecauseOfReferenceProfiles) { |
| ScratchFile profile1; |
| ScratchFile reference_profile; |
| |
| std::vector<int> profile_fds({ |
| GetFd(profile1)}); |
| int reference_profile_fd = GetFd(reference_profile); |
| |
| const uint16_t kNumberOfMethodsToEnableCompilation = 100; |
| // Assign different hashes for the same dex file. This will make merging of information to fail. |
| ProfileCompilationInfo info1; |
| SetupProfile("p1", 1, kNumberOfMethodsToEnableCompilation, 0, profile1, &info1); |
| ProfileCompilationInfo reference_info; |
| SetupProfile("p1", 2, kNumberOfMethodsToEnableCompilation, 0, reference_profile, &reference_info); |
| |
| // We should not advise compilation. |
| ASSERT_TRUE(profile1.GetFile()->ResetOffset()); |
| ASSERT_TRUE(reference_profile.GetFile()->ResetOffset()); |
| ASSERT_EQ(ProfileAssistant::kErrorBadProfiles, |
| ProcessProfiles(profile_fds, reference_profile_fd)); |
| |
| // The information from profiles must remain the same. |
| CheckProfileInfo(profile1, info1); |
| } |
| |
| TEST_F(ProfileAssistantTest, TestProfileGeneration) { |
| ScratchFile profile; |
| // Generate a test profile. |
| GenerateTestProfile(profile.GetFilename()); |
| |
| // Verify that the generated profile is valid and can be loaded. |
| ASSERT_TRUE(profile.GetFile()->ResetOffset()); |
| ProfileCompilationInfo info; |
| ASSERT_TRUE(info.Load(GetFd(profile))); |
| } |
| |
| TEST_F(ProfileAssistantTest, TestProfileGenerationWithIndexDex) { |
| ScratchFile profile; |
| // Generate a test profile passing in a dex file as reference. |
| GenerateTestProfileWithInputDex(profile.GetFilename()); |
| |
| // Verify that the generated profile is valid and can be loaded. |
| ASSERT_TRUE(profile.GetFile()->ResetOffset()); |
| ProfileCompilationInfo info; |
| ASSERT_TRUE(info.Load(GetFd(profile))); |
| } |
| |
| TEST_F(ProfileAssistantTest, TestProfileCreationAllMatch) { |
| // Class names put here need to be in sorted order. |
| std::vector<std::string> class_names = { |
| "Ljava/lang/Comparable;", |
| "Ljava/lang/Math;", |
| "Ljava/lang/Object;", |
| "Ljava/lang/Object;-><init>()V" |
| }; |
| std::string file_contents; |
| for (std::string& class_name : class_names) { |
| file_contents += class_name + std::string("\n"); |
| } |
| std::string output_file_contents; |
| ASSERT_TRUE(CreateAndDump(file_contents, &output_file_contents)); |
| ASSERT_EQ(output_file_contents, file_contents); |
| } |
| |
| TEST_F(ProfileAssistantTest, TestProfileCreationGenerateMethods) { |
| // Class names put here need to be in sorted order. |
| std::vector<std::string> class_names = { |
| "Ljava/lang/Math;->*", |
| }; |
| std::string input_file_contents; |
| std::string expected_contents; |
| for (std::string& class_name : class_names) { |
| input_file_contents += class_name + std::string("\n"); |
| expected_contents += DescriptorToDot(class_name.c_str()) + |
| std::string("\n"); |
| } |
| std::string output_file_contents; |
| ScratchFile profile_file; |
| EXPECT_TRUE(CreateProfile(input_file_contents, |
| profile_file.GetFilename(), |
| GetLibCoreDexFileNames()[0])); |
| ProfileCompilationInfo info; |
| profile_file.GetFile()->ResetOffset(); |
| ASSERT_TRUE(info.Load(GetFd(profile_file))); |
| // Verify that the profile has matching methods. |
| ScopedObjectAccess soa(Thread::Current()); |
| ObjPtr<mirror::Class> klass = GetClass(nullptr, "Ljava/lang/Math;"); |
| ASSERT_TRUE(klass != nullptr); |
| size_t method_count = 0; |
| for (ArtMethod& method : klass->GetMethods(kRuntimePointerSize)) { |
| if (!method.IsCopied() && method.GetCodeItem() != nullptr) { |
| ++method_count; |
| std::unique_ptr<ProfileCompilationInfo::OfflineProfileMethodInfo> pmi = |
| info.GetMethod(method.GetDexFile()->GetLocation(), |
| method.GetDexFile()->GetLocationChecksum(), |
| method.GetDexMethodIndex()); |
| ASSERT_TRUE(pmi != nullptr); |
| } |
| } |
| EXPECT_GT(method_count, 0u); |
| } |
| |
| TEST_F(ProfileAssistantTest, TestProfileCreationOneNotMatched) { |
| // Class names put here need to be in sorted order. |
| std::vector<std::string> class_names = { |
| "Ldoesnt/match/this/one;", |
| "Ljava/lang/Comparable;", |
| "Ljava/lang/Object;" |
| }; |
| std::string input_file_contents; |
| for (std::string& class_name : class_names) { |
| input_file_contents += class_name + std::string("\n"); |
| } |
| std::string output_file_contents; |
| ASSERT_TRUE(CreateAndDump(input_file_contents, &output_file_contents)); |
| std::string expected_contents = |
| class_names[1] + std::string("\n") + |
| class_names[2] + std::string("\n"); |
| ASSERT_EQ(output_file_contents, expected_contents); |
| } |
| |
| TEST_F(ProfileAssistantTest, TestProfileCreationNoneMatched) { |
| // Class names put here need to be in sorted order. |
| std::vector<std::string> class_names = { |
| "Ldoesnt/match/this/one;", |
| "Ldoesnt/match/this/one/either;", |
| "Lnor/this/one;" |
| }; |
| std::string input_file_contents; |
| for (std::string& class_name : class_names) { |
| input_file_contents += class_name + std::string("\n"); |
| } |
| std::string output_file_contents; |
| ASSERT_TRUE(CreateAndDump(input_file_contents, &output_file_contents)); |
| std::string expected_contents(""); |
| ASSERT_EQ(output_file_contents, expected_contents); |
| } |
| |
| TEST_F(ProfileAssistantTest, TestProfileCreateInlineCache) { |
| // Create the profile content. |
| std::vector<std::string> methods = { |
| "LTestInline;->inlineMonomorphic(LSuper;)I+LSubA;", |
| "LTestInline;->inlinePolymorphic(LSuper;)I+LSubA;,LSubB;,LSubC;", |
| "LTestInline;->inlineMegamorphic(LSuper;)I+LSubA;,LSubB;,LSubC;,LSubD;,LSubE;", |
| "LTestInline;->inlineMissingTypes(LSuper;)I+missing_types", |
| "LTestInline;->noInlineCache(LSuper;)I" |
| }; |
| std::string input_file_contents; |
| for (std::string& m : methods) { |
| input_file_contents += m + std::string("\n"); |
| } |
| |
| // Create the profile and save it to disk. |
| ScratchFile profile_file; |
| ASSERT_TRUE(CreateProfile(input_file_contents, |
| profile_file.GetFilename(), |
| GetTestDexFileName("ProfileTestMultiDex"))); |
| |
| // Load the profile from disk. |
| ProfileCompilationInfo info; |
| profile_file.GetFile()->ResetOffset(); |
| ASSERT_TRUE(info.Load(GetFd(profile_file))); |
| |
| // Load the dex files and verify that the profile contains the expected methods info. |
| ScopedObjectAccess soa(Thread::Current()); |
| jobject class_loader = LoadDex("ProfileTestMultiDex"); |
| ASSERT_NE(class_loader, nullptr); |
| |
| mirror::Class* sub_a = GetClass(class_loader, "LSubA;"); |
| mirror::Class* sub_b = GetClass(class_loader, "LSubB;"); |
| mirror::Class* sub_c = GetClass(class_loader, "LSubC;"); |
| |
| ASSERT_TRUE(sub_a != nullptr); |
| ASSERT_TRUE(sub_b != nullptr); |
| ASSERT_TRUE(sub_c != nullptr); |
| |
| { |
| // Verify that method inlineMonomorphic has the expected inline caches and nothing else. |
| ArtMethod* inline_monomorphic = GetVirtualMethod(class_loader, |
| "LTestInline;", |
| "inlineMonomorphic"); |
| ASSERT_TRUE(inline_monomorphic != nullptr); |
| std::set<mirror::Class*> expected_monomorphic; |
| expected_monomorphic.insert(sub_a); |
| AssertInlineCaches(inline_monomorphic, |
| expected_monomorphic, |
| info, |
| /*megamorphic*/false, |
| /*missing_types*/false); |
| } |
| |
| { |
| // Verify that method inlinePolymorphic has the expected inline caches and nothing else. |
| ArtMethod* inline_polymorhic = GetVirtualMethod(class_loader, |
| "LTestInline;", |
| "inlinePolymorphic"); |
| ASSERT_TRUE(inline_polymorhic != nullptr); |
| std::set<mirror::Class*> expected_polymorphic; |
| expected_polymorphic.insert(sub_a); |
| expected_polymorphic.insert(sub_b); |
| expected_polymorphic.insert(sub_c); |
| AssertInlineCaches(inline_polymorhic, |
| expected_polymorphic, |
| info, |
| /*megamorphic*/false, |
| /*missing_types*/false); |
| } |
| |
| { |
| // Verify that method inlineMegamorphic has the expected inline caches and nothing else. |
| ArtMethod* inline_megamorphic = GetVirtualMethod(class_loader, |
| "LTestInline;", |
| "inlineMegamorphic"); |
| ASSERT_TRUE(inline_megamorphic != nullptr); |
| std::set<mirror::Class*> expected_megamorphic; |
| AssertInlineCaches(inline_megamorphic, |
| expected_megamorphic, |
| info, |
| /*megamorphic*/true, |
| /*missing_types*/false); |
| } |
| |
| { |
| // Verify that method inlineMegamorphic has the expected inline caches and nothing else. |
| ArtMethod* inline_missing_types = GetVirtualMethod(class_loader, |
| "LTestInline;", |
| "inlineMissingTypes"); |
| ASSERT_TRUE(inline_missing_types != nullptr); |
| std::set<mirror::Class*> expected_missing_Types; |
| AssertInlineCaches(inline_missing_types, |
| expected_missing_Types, |
| info, |
| /*megamorphic*/false, |
| /*missing_types*/true); |
| } |
| |
| { |
| // Verify that method noInlineCache has no inline caches in the profile. |
| ArtMethod* no_inline_cache = GetVirtualMethod(class_loader, "LTestInline;", "noInlineCache"); |
| ASSERT_TRUE(no_inline_cache != nullptr); |
| std::unique_ptr<ProfileCompilationInfo::OfflineProfileMethodInfo> pmi_no_inline_cache = |
| info.GetMethod(no_inline_cache->GetDexFile()->GetLocation(), |
| no_inline_cache->GetDexFile()->GetLocationChecksum(), |
| no_inline_cache->GetDexMethodIndex()); |
| ASSERT_TRUE(pmi_no_inline_cache != nullptr); |
| ASSERT_TRUE(pmi_no_inline_cache->inline_caches->empty()); |
| } |
| } |
| |
| TEST_F(ProfileAssistantTest, MergeProfilesWithDifferentDexOrder) { |
| ScratchFile profile1; |
| ScratchFile reference_profile; |
| |
| std::vector<int> profile_fds({GetFd(profile1)}); |
| int reference_profile_fd = GetFd(reference_profile); |
| |
| // The new profile info will contain the methods with indices 0-100. |
| const uint16_t kNumberOfMethodsToEnableCompilation = 100; |
| ProfileCompilationInfo info1; |
| SetupProfile("p1", 1, kNumberOfMethodsToEnableCompilation, 0, profile1, &info1, |
| /*start_method_index*/0, /*reverse_dex_write_order*/false); |
| |
| // The reference profile info will contain the methods with indices 50-150. |
| // When setting up the profile reverse the order in which the dex files |
| // are added to the profile. This will verify that profman merges profiles |
| // with a different dex order correctly. |
| const uint16_t kNumberOfMethodsAlreadyCompiled = 100; |
| ProfileCompilationInfo reference_info; |
| SetupProfile("p1", 1, kNumberOfMethodsAlreadyCompiled, 0, reference_profile, |
| &reference_info, kNumberOfMethodsToEnableCompilation / 2, /*reverse_dex_write_order*/true); |
| |
| // We should advise compilation. |
| ASSERT_EQ(ProfileAssistant::kCompile, |
| ProcessProfiles(profile_fds, reference_profile_fd)); |
| |
| // The resulting compilation info must be equal to the merge of the inputs. |
| ProfileCompilationInfo result; |
| ASSERT_TRUE(reference_profile.GetFile()->ResetOffset()); |
| ASSERT_TRUE(result.Load(reference_profile_fd)); |
| |
| ProfileCompilationInfo expected; |
| ASSERT_TRUE(expected.MergeWith(reference_info)); |
| ASSERT_TRUE(expected.MergeWith(info1)); |
| ASSERT_TRUE(expected.Equals(result)); |
| |
| // The information from profile must remain the same. |
| CheckProfileInfo(profile1, info1); |
| } |
| |
| } // namespace art |
