| /* |
| * 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 "base/unix_file/fd_file.h" |
| #include "art_method-inl.h" |
| #include "class_linker-inl.h" |
| #include "common_runtime_test.h" |
| #include "dex_file.h" |
| #include "method_reference.h" |
| #include "mirror/class-inl.h" |
| #include "mirror/class_loader.h" |
| #include "handle_scope-inl.h" |
| #include "jit/profile_compilation_info.h" |
| #include "scoped_thread_state_change-inl.h" |
| |
| namespace art { |
| |
| class ProfileCompilationInfoTest : public CommonRuntimeTest { |
| protected: |
| std::vector<ArtMethod*> GetVirtualMethods(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(self->DecodeJObject(class_loader)->AsClassLoader())); |
| mirror::Class* klass = class_linker->FindClass(self, clazz.c_str(), h_loader); |
| |
| const auto pointer_size = class_linker->GetImagePointerSize(); |
| std::vector<ArtMethod*> methods; |
| for (auto& m : klass->GetVirtualMethods(pointer_size)) { |
| methods.push_back(&m); |
| } |
| return methods; |
| } |
| |
| bool AddMethod(const std::string& dex_location, |
| uint32_t checksum, |
| uint16_t method_index, |
| ProfileCompilationInfo* info) { |
| return info->AddMethodIndex(dex_location, checksum, method_index); |
| } |
| |
| bool AddMethod(const std::string& dex_location, |
| uint32_t checksum, |
| uint16_t method_index, |
| const ProfileCompilationInfo::OfflineProfileMethodInfo& pmi, |
| ProfileCompilationInfo* info) { |
| return info->AddMethod(dex_location, checksum, method_index, pmi); |
| } |
| |
| bool AddClass(const std::string& dex_location, |
| uint32_t checksum, |
| uint16_t class_index, |
| ProfileCompilationInfo* info) { |
| return info->AddMethodIndex(dex_location, checksum, class_index); |
| } |
| |
| uint32_t GetFd(const ScratchFile& file) { |
| return static_cast<uint32_t>(file.GetFd()); |
| } |
| |
| bool SaveProfilingInfo( |
| const std::string& filename, |
| const std::vector<ArtMethod*>& methods, |
| const std::set<DexCacheResolvedClasses>& resolved_classes) { |
| ProfileCompilationInfo info; |
| std::vector<ProfileMethodInfo> profile_methods; |
| ScopedObjectAccess soa(Thread::Current()); |
| for (ArtMethod* method : methods) { |
| profile_methods.emplace_back(method->GetDexFile(), method->GetDexMethodIndex()); |
| } |
| if (!info.AddMethodsAndClasses(profile_methods, resolved_classes)) { |
| return false; |
| } |
| if (info.GetNumberOfMethods() != profile_methods.size()) { |
| return false; |
| } |
| return info.MergeAndSave(filename, nullptr, false); |
| } |
| |
| // Saves the given art methods to a profile backed by 'filename' and adds |
| // some fake inline caches to it. The added inline caches are returned in |
| // the out map `profile_methods_map`. |
| bool SaveProfilingInfoWithFakeInlineCaches( |
| const std::string& filename, |
| const std::vector<ArtMethod*>& methods, |
| /*out*/ SafeMap<ArtMethod*, ProfileMethodInfo>* profile_methods_map) { |
| ProfileCompilationInfo info; |
| std::vector<ProfileMethodInfo> profile_methods; |
| ScopedObjectAccess soa(Thread::Current()); |
| for (ArtMethod* method : methods) { |
| std::vector<ProfileMethodInfo::ProfileInlineCache> caches; |
| // Monomorphic |
| for (uint16_t dex_pc = 0; dex_pc < 11; dex_pc++) { |
| std::vector<ProfileMethodInfo::ProfileClassReference> classes; |
| classes.emplace_back(method->GetDexFile(), dex::TypeIndex(0)); |
| caches.emplace_back(dex_pc, /*is_missing_types*/false, classes); |
| } |
| // Polymorphic |
| for (uint16_t dex_pc = 11; dex_pc < 22; dex_pc++) { |
| std::vector<ProfileMethodInfo::ProfileClassReference> classes; |
| for (uint16_t k = 0; k < InlineCache::kIndividualCacheSize / 2; k++) { |
| classes.emplace_back(method->GetDexFile(), dex::TypeIndex(k)); |
| } |
| caches.emplace_back(dex_pc, /*is_missing_types*/false, classes); |
| } |
| // Megamorphic |
| for (uint16_t dex_pc = 22; dex_pc < 33; dex_pc++) { |
| std::vector<ProfileMethodInfo::ProfileClassReference> classes; |
| for (uint16_t k = 0; k < 2 * InlineCache::kIndividualCacheSize; k++) { |
| classes.emplace_back(method->GetDexFile(), dex::TypeIndex(k)); |
| } |
| caches.emplace_back(dex_pc, /*is_missing_types*/false, classes); |
| } |
| // Missing types |
| for (uint16_t dex_pc = 33; dex_pc < 44; dex_pc++) { |
| std::vector<ProfileMethodInfo::ProfileClassReference> classes; |
| caches.emplace_back(dex_pc, /*is_missing_types*/true, classes); |
| } |
| ProfileMethodInfo pmi(method->GetDexFile(), method->GetDexMethodIndex(), caches); |
| profile_methods.push_back(pmi); |
| profile_methods_map->Put(method, pmi); |
| } |
| |
| if (!info.AddMethodsAndClasses(profile_methods, std::set<DexCacheResolvedClasses>())) { |
| return false; |
| } |
| if (info.GetNumberOfMethods() != profile_methods.size()) { |
| return false; |
| } |
| return info.MergeAndSave(filename, nullptr, false); |
| } |
| |
| ProfileCompilationInfo::OfflineProfileMethodInfo ConvertProfileMethodInfo( |
| const ProfileMethodInfo& pmi) { |
| ProfileCompilationInfo::OfflineProfileMethodInfo offline_pmi; |
| SafeMap<DexFile*, uint8_t> dex_map; // dex files to profile index |
| for (const auto& inline_cache : pmi.inline_caches) { |
| ProfileCompilationInfo::DexPcData& dex_pc_data = |
| offline_pmi.inline_caches.FindOrAdd(inline_cache.dex_pc)->second; |
| if (inline_cache.is_missing_types) { |
| dex_pc_data.SetIsMissingTypes(); |
| } |
| for (const auto& class_ref : inline_cache.classes) { |
| uint8_t dex_profile_index = dex_map.FindOrAdd(const_cast<DexFile*>(class_ref.dex_file), |
| static_cast<uint8_t>(dex_map.size()))->second; |
| dex_pc_data.AddClass(dex_profile_index, class_ref.type_index); |
| if (dex_profile_index >= offline_pmi.dex_references.size()) { |
| // This is a new dex. |
| const std::string& dex_key = ProfileCompilationInfo::GetProfileDexFileKey( |
| class_ref.dex_file->GetLocation()); |
| offline_pmi.dex_references.emplace_back(dex_key, |
| class_ref.dex_file->GetLocationChecksum()); |
| } |
| } |
| } |
| return offline_pmi; |
| } |
| |
| // Creates an offline profile used for testing inline caches. |
| ProfileCompilationInfo::OfflineProfileMethodInfo GetOfflineProfileMethodInfo() { |
| ProfileCompilationInfo::OfflineProfileMethodInfo pmi; |
| |
| pmi.dex_references.emplace_back("dex_location1", /* checksum */1); |
| pmi.dex_references.emplace_back("dex_location2", /* checksum */2); |
| pmi.dex_references.emplace_back("dex_location3", /* checksum */3); |
| |
| // Monomorphic |
| for (uint16_t dex_pc = 0; dex_pc < 11; dex_pc++) { |
| ProfileCompilationInfo::DexPcData dex_pc_data; |
| dex_pc_data.AddClass(0, dex::TypeIndex(0)); |
| pmi.inline_caches.Put(dex_pc, dex_pc_data); |
| } |
| // Polymorphic |
| for (uint16_t dex_pc = 11; dex_pc < 22; dex_pc++) { |
| ProfileCompilationInfo::DexPcData dex_pc_data; |
| dex_pc_data.AddClass(0, dex::TypeIndex(0)); |
| dex_pc_data.AddClass(1, dex::TypeIndex(1)); |
| dex_pc_data.AddClass(2, dex::TypeIndex(2)); |
| |
| pmi.inline_caches.Put(dex_pc, dex_pc_data); |
| } |
| // Megamorphic |
| for (uint16_t dex_pc = 22; dex_pc < 33; dex_pc++) { |
| ProfileCompilationInfo::DexPcData dex_pc_data; |
| dex_pc_data.SetIsMegamorphic(); |
| pmi.inline_caches.Put(dex_pc, dex_pc_data); |
| } |
| // Missing types |
| for (uint16_t dex_pc = 33; dex_pc < 44; dex_pc++) { |
| ProfileCompilationInfo::DexPcData dex_pc_data; |
| dex_pc_data.SetIsMissingTypes(); |
| pmi.inline_caches.Put(dex_pc, dex_pc_data); |
| } |
| |
| return pmi; |
| } |
| |
| void MakeMegamorphic(/*out*/ProfileCompilationInfo::OfflineProfileMethodInfo* pmi) { |
| for (auto it : pmi->inline_caches) { |
| for (uint16_t k = 0; k <= 2 * InlineCache::kIndividualCacheSize; k++) { |
| it.second.AddClass(0, dex::TypeIndex(k)); |
| } |
| } |
| } |
| |
| void SetIsMissingTypes(/*out*/ProfileCompilationInfo::OfflineProfileMethodInfo* pmi) { |
| for (auto it : pmi->inline_caches) { |
| it.second.SetIsMissingTypes(); |
| } |
| } |
| |
| // Cannot sizeof the actual arrays so hard code the values here. |
| // They should not change anyway. |
| static constexpr int kProfileMagicSize = 4; |
| static constexpr int kProfileVersionSize = 4; |
| }; |
| |
| TEST_F(ProfileCompilationInfoTest, SaveArtMethods) { |
| ScratchFile profile; |
| |
| Thread* self = Thread::Current(); |
| jobject class_loader; |
| { |
| ScopedObjectAccess soa(self); |
| class_loader = LoadDex("ProfileTestMultiDex"); |
| } |
| ASSERT_NE(class_loader, nullptr); |
| |
| // Save virtual methods from Main. |
| std::set<DexCacheResolvedClasses> resolved_classes; |
| std::vector<ArtMethod*> main_methods = GetVirtualMethods(class_loader, "LMain;"); |
| ASSERT_TRUE(SaveProfilingInfo(profile.GetFilename(), main_methods, resolved_classes)); |
| |
| // Check that what we saved is in the profile. |
| ProfileCompilationInfo info1; |
| ASSERT_TRUE(info1.Load(GetFd(profile))); |
| ASSERT_EQ(info1.GetNumberOfMethods(), main_methods.size()); |
| { |
| ScopedObjectAccess soa(self); |
| for (ArtMethod* m : main_methods) { |
| ASSERT_TRUE(info1.ContainsMethod(MethodReference(m->GetDexFile(), m->GetDexMethodIndex()))); |
| } |
| } |
| |
| // Save virtual methods from Second. |
| std::vector<ArtMethod*> second_methods = GetVirtualMethods(class_loader, "LSecond;"); |
| ASSERT_TRUE(SaveProfilingInfo(profile.GetFilename(), second_methods, resolved_classes)); |
| |
| // Check that what we saved is in the profile (methods form Main and Second). |
| ProfileCompilationInfo info2; |
| ASSERT_TRUE(profile.GetFile()->ResetOffset()); |
| ASSERT_TRUE(info2.Load(GetFd(profile))); |
| ASSERT_EQ(info2.GetNumberOfMethods(), main_methods.size() + second_methods.size()); |
| { |
| ScopedObjectAccess soa(self); |
| for (ArtMethod* m : main_methods) { |
| ASSERT_TRUE(info2.ContainsMethod(MethodReference(m->GetDexFile(), m->GetDexMethodIndex()))); |
| } |
| for (ArtMethod* m : second_methods) { |
| ASSERT_TRUE(info2.ContainsMethod(MethodReference(m->GetDexFile(), m->GetDexMethodIndex()))); |
| } |
| } |
| } |
| |
| TEST_F(ProfileCompilationInfoTest, SaveFd) { |
| ScratchFile profile; |
| |
| ProfileCompilationInfo saved_info; |
| // Save a few methods. |
| for (uint16_t i = 0; i < 10; i++) { |
| ASSERT_TRUE(AddMethod("dex_location1", /* checksum */ 1, /* method_idx */ i, &saved_info)); |
| ASSERT_TRUE(AddMethod("dex_location2", /* checksum */ 2, /* method_idx */ i, &saved_info)); |
| } |
| ASSERT_TRUE(saved_info.Save(GetFd(profile))); |
| ASSERT_EQ(0, profile.GetFile()->Flush()); |
| |
| // Check that we get back what we saved. |
| ProfileCompilationInfo loaded_info; |
| ASSERT_TRUE(profile.GetFile()->ResetOffset()); |
| ASSERT_TRUE(loaded_info.Load(GetFd(profile))); |
| ASSERT_TRUE(loaded_info.Equals(saved_info)); |
| |
| // Save more methods. |
| for (uint16_t i = 0; i < 100; i++) { |
| ASSERT_TRUE(AddMethod("dex_location1", /* checksum */ 1, /* method_idx */ i, &saved_info)); |
| ASSERT_TRUE(AddMethod("dex_location2", /* checksum */ 2, /* method_idx */ i, &saved_info)); |
| ASSERT_TRUE(AddMethod("dex_location3", /* checksum */ 3, /* method_idx */ i, &saved_info)); |
| } |
| ASSERT_TRUE(profile.GetFile()->ResetOffset()); |
| ASSERT_TRUE(saved_info.Save(GetFd(profile))); |
| ASSERT_EQ(0, profile.GetFile()->Flush()); |
| |
| // Check that we get back everything we saved. |
| ProfileCompilationInfo loaded_info2; |
| ASSERT_TRUE(profile.GetFile()->ResetOffset()); |
| ASSERT_TRUE(loaded_info2.Load(GetFd(profile))); |
| ASSERT_TRUE(loaded_info2.Equals(saved_info)); |
| } |
| |
| TEST_F(ProfileCompilationInfoTest, AddMethodsAndClassesFail) { |
| ScratchFile profile; |
| |
| ProfileCompilationInfo info; |
| ASSERT_TRUE(AddMethod("dex_location", /* checksum */ 1, /* method_idx */ 1, &info)); |
| // Trying to add info for an existing file but with a different checksum. |
| ASSERT_FALSE(AddMethod("dex_location", /* checksum */ 2, /* method_idx */ 2, &info)); |
| } |
| |
| TEST_F(ProfileCompilationInfoTest, MergeFail) { |
| ScratchFile profile; |
| |
| ProfileCompilationInfo info1; |
| ASSERT_TRUE(AddMethod("dex_location", /* checksum */ 1, /* method_idx */ 1, &info1)); |
| // Use the same file, change the checksum. |
| ProfileCompilationInfo info2; |
| ASSERT_TRUE(AddMethod("dex_location", /* checksum */ 2, /* method_idx */ 2, &info2)); |
| |
| ASSERT_FALSE(info1.MergeWith(info2)); |
| } |
| |
| TEST_F(ProfileCompilationInfoTest, SaveMaxMethods) { |
| ScratchFile profile; |
| |
| ProfileCompilationInfo saved_info; |
| // Save the maximum number of methods |
| for (uint16_t i = 0; i < std::numeric_limits<uint16_t>::max(); i++) { |
| ASSERT_TRUE(AddMethod("dex_location1", /* checksum */ 1, /* method_idx */ i, &saved_info)); |
| ASSERT_TRUE(AddMethod("dex_location2", /* checksum */ 2, /* method_idx */ i, &saved_info)); |
| } |
| // Save the maximum number of classes |
| for (uint16_t i = 0; i < std::numeric_limits<uint16_t>::max(); i++) { |
| ASSERT_TRUE(AddClass("dex_location1", /* checksum */ 1, /* class_idx */ i, &saved_info)); |
| ASSERT_TRUE(AddClass("dex_location2", /* checksum */ 2, /* class_idx */ i, &saved_info)); |
| } |
| |
| ASSERT_TRUE(saved_info.Save(GetFd(profile))); |
| ASSERT_EQ(0, profile.GetFile()->Flush()); |
| |
| // Check that we get back what we saved. |
| ProfileCompilationInfo loaded_info; |
| ASSERT_TRUE(profile.GetFile()->ResetOffset()); |
| ASSERT_TRUE(loaded_info.Load(GetFd(profile))); |
| ASSERT_TRUE(loaded_info.Equals(saved_info)); |
| } |
| |
| TEST_F(ProfileCompilationInfoTest, SaveEmpty) { |
| ScratchFile profile; |
| |
| ProfileCompilationInfo saved_info; |
| ASSERT_TRUE(saved_info.Save(GetFd(profile))); |
| ASSERT_EQ(0, profile.GetFile()->Flush()); |
| |
| // Check that we get back what we saved. |
| ProfileCompilationInfo loaded_info; |
| ASSERT_TRUE(profile.GetFile()->ResetOffset()); |
| ASSERT_TRUE(loaded_info.Load(GetFd(profile))); |
| ASSERT_TRUE(loaded_info.Equals(saved_info)); |
| } |
| |
| TEST_F(ProfileCompilationInfoTest, LoadEmpty) { |
| ScratchFile profile; |
| |
| ProfileCompilationInfo empty_info; |
| |
| ProfileCompilationInfo loaded_info; |
| ASSERT_TRUE(profile.GetFile()->ResetOffset()); |
| ASSERT_TRUE(loaded_info.Load(GetFd(profile))); |
| ASSERT_TRUE(loaded_info.Equals(empty_info)); |
| } |
| |
| TEST_F(ProfileCompilationInfoTest, BadMagic) { |
| ScratchFile profile; |
| uint8_t buffer[] = { 1, 2, 3, 4 }; |
| ASSERT_TRUE(profile.GetFile()->WriteFully(buffer, sizeof(buffer))); |
| ProfileCompilationInfo loaded_info; |
| ASSERT_TRUE(profile.GetFile()->ResetOffset()); |
| ASSERT_FALSE(loaded_info.Load(GetFd(profile))); |
| } |
| |
| TEST_F(ProfileCompilationInfoTest, BadVersion) { |
| ScratchFile profile; |
| |
| ASSERT_TRUE(profile.GetFile()->WriteFully( |
| ProfileCompilationInfo::kProfileMagic, kProfileMagicSize)); |
| uint8_t version[] = { 'v', 'e', 'r', 's', 'i', 'o', 'n' }; |
| ASSERT_TRUE(profile.GetFile()->WriteFully(version, sizeof(version))); |
| ASSERT_EQ(0, profile.GetFile()->Flush()); |
| |
| ProfileCompilationInfo loaded_info; |
| ASSERT_TRUE(profile.GetFile()->ResetOffset()); |
| ASSERT_FALSE(loaded_info.Load(GetFd(profile))); |
| } |
| |
| TEST_F(ProfileCompilationInfoTest, Incomplete) { |
| ScratchFile profile; |
| ASSERT_TRUE(profile.GetFile()->WriteFully( |
| ProfileCompilationInfo::kProfileMagic, kProfileMagicSize)); |
| ASSERT_TRUE(profile.GetFile()->WriteFully( |
| ProfileCompilationInfo::kProfileVersion, kProfileVersionSize)); |
| // Write that we have at least one line. |
| uint8_t line_number[] = { 0, 1 }; |
| ASSERT_TRUE(profile.GetFile()->WriteFully(line_number, sizeof(line_number))); |
| ASSERT_EQ(0, profile.GetFile()->Flush()); |
| |
| ProfileCompilationInfo loaded_info; |
| ASSERT_TRUE(profile.GetFile()->ResetOffset()); |
| ASSERT_FALSE(loaded_info.Load(GetFd(profile))); |
| } |
| |
| TEST_F(ProfileCompilationInfoTest, TooLongDexLocation) { |
| ScratchFile profile; |
| ASSERT_TRUE(profile.GetFile()->WriteFully( |
| ProfileCompilationInfo::kProfileMagic, kProfileMagicSize)); |
| ASSERT_TRUE(profile.GetFile()->WriteFully( |
| ProfileCompilationInfo::kProfileVersion, kProfileVersionSize)); |
| // Write that we have at least one line. |
| uint8_t line_number[] = { 0, 1 }; |
| ASSERT_TRUE(profile.GetFile()->WriteFully(line_number, sizeof(line_number))); |
| |
| // dex_location_size, methods_size, classes_size, checksum. |
| // Dex location size is too big and should be rejected. |
| uint8_t line[] = { 255, 255, 0, 1, 0, 1, 0, 0, 0, 0 }; |
| ASSERT_TRUE(profile.GetFile()->WriteFully(line, sizeof(line))); |
| ASSERT_EQ(0, profile.GetFile()->Flush()); |
| |
| ProfileCompilationInfo loaded_info; |
| ASSERT_TRUE(profile.GetFile()->ResetOffset()); |
| ASSERT_FALSE(loaded_info.Load(GetFd(profile))); |
| } |
| |
| TEST_F(ProfileCompilationInfoTest, UnexpectedContent) { |
| ScratchFile profile; |
| |
| ProfileCompilationInfo saved_info; |
| // Save the maximum number of methods |
| for (uint16_t i = 0; i < 10; i++) { |
| ASSERT_TRUE(AddMethod("dex_location1", /* checksum */ 1, /* method_idx */ i, &saved_info)); |
| } |
| ASSERT_TRUE(saved_info.Save(GetFd(profile))); |
| |
| uint8_t random_data[] = { 1, 2, 3}; |
| ASSERT_TRUE(profile.GetFile()->WriteFully(random_data, sizeof(random_data))); |
| |
| ASSERT_EQ(0, profile.GetFile()->Flush()); |
| |
| // Check that we fail because of unexpected data at the end of the file. |
| ProfileCompilationInfo loaded_info; |
| ASSERT_TRUE(profile.GetFile()->ResetOffset()); |
| ASSERT_FALSE(loaded_info.Load(GetFd(profile))); |
| } |
| |
| TEST_F(ProfileCompilationInfoTest, SaveInlineCaches) { |
| ScratchFile profile; |
| |
| ProfileCompilationInfo saved_info; |
| ProfileCompilationInfo::OfflineProfileMethodInfo pmi = GetOfflineProfileMethodInfo(); |
| |
| // Add methods with inline caches. |
| for (uint16_t method_idx = 0; method_idx < 10; method_idx++) { |
| // Add a method which is part of the same dex file as one of the |
| // class from the inline caches. |
| ASSERT_TRUE(AddMethod("dex_location1", /* checksum */ 1, method_idx, pmi, &saved_info)); |
| // Add a method which is outside the set of dex files. |
| ASSERT_TRUE(AddMethod("dex_location4", /* checksum */ 4, method_idx, pmi, &saved_info)); |
| } |
| |
| ASSERT_TRUE(saved_info.Save(GetFd(profile))); |
| ASSERT_EQ(0, profile.GetFile()->Flush()); |
| |
| // Check that we get back what we saved. |
| ProfileCompilationInfo loaded_info; |
| ASSERT_TRUE(profile.GetFile()->ResetOffset()); |
| ASSERT_TRUE(loaded_info.Load(GetFd(profile))); |
| |
| ASSERT_TRUE(loaded_info.Equals(saved_info)); |
| |
| ProfileCompilationInfo::OfflineProfileMethodInfo loaded_pmi1; |
| ASSERT_TRUE(loaded_info.GetMethod("dex_location1", |
| /* checksum */ 1, |
| /* method_idx */ 3, |
| &loaded_pmi1)); |
| ASSERT_TRUE(loaded_pmi1 == pmi); |
| ProfileCompilationInfo::OfflineProfileMethodInfo loaded_pmi2; |
| ASSERT_TRUE(loaded_info.GetMethod("dex_location4", |
| /* checksum */ 4, |
| /* method_idx */ 3, |
| &loaded_pmi2)); |
| ASSERT_TRUE(loaded_pmi2 == pmi); |
| } |
| |
| TEST_F(ProfileCompilationInfoTest, MegamorphicInlineCaches) { |
| ScratchFile profile; |
| |
| ProfileCompilationInfo saved_info; |
| ProfileCompilationInfo::OfflineProfileMethodInfo pmi = GetOfflineProfileMethodInfo(); |
| |
| // Add methods with inline caches. |
| for (uint16_t method_idx = 0; method_idx < 10; method_idx++) { |
| ASSERT_TRUE(AddMethod("dex_location1", /* checksum */ 1, method_idx, pmi, &saved_info)); |
| } |
| |
| ASSERT_TRUE(saved_info.Save(GetFd(profile))); |
| ASSERT_EQ(0, profile.GetFile()->Flush()); |
| |
| // Make the inline caches megamorphic and add them to the profile again. |
| ProfileCompilationInfo saved_info_extra; |
| ProfileCompilationInfo::OfflineProfileMethodInfo pmi_extra = GetOfflineProfileMethodInfo(); |
| MakeMegamorphic(&pmi_extra); |
| for (uint16_t method_idx = 0; method_idx < 10; method_idx++) { |
| ASSERT_TRUE(AddMethod("dex_location1", /* checksum */ 1, method_idx, pmi, &saved_info_extra)); |
| } |
| |
| ASSERT_TRUE(profile.GetFile()->ResetOffset()); |
| ASSERT_TRUE(saved_info_extra.Save(GetFd(profile))); |
| ASSERT_EQ(0, profile.GetFile()->Flush()); |
| |
| // Merge the profiles so that we have the same view as the file. |
| ASSERT_TRUE(saved_info.MergeWith(saved_info_extra)); |
| |
| // Check that we get back what we saved. |
| ProfileCompilationInfo loaded_info; |
| ASSERT_TRUE(profile.GetFile()->ResetOffset()); |
| ASSERT_TRUE(loaded_info.Load(GetFd(profile))); |
| |
| ASSERT_TRUE(loaded_info.Equals(saved_info)); |
| |
| ProfileCompilationInfo::OfflineProfileMethodInfo loaded_pmi1; |
| ASSERT_TRUE(loaded_info.GetMethod("dex_location1", |
| /* checksum */ 1, |
| /* method_idx */ 3, |
| &loaded_pmi1)); |
| ASSERT_TRUE(loaded_pmi1 == pmi_extra); |
| } |
| |
| TEST_F(ProfileCompilationInfoTest, MissingTypesInlineCaches) { |
| ScratchFile profile; |
| |
| ProfileCompilationInfo saved_info; |
| ProfileCompilationInfo::OfflineProfileMethodInfo pmi = GetOfflineProfileMethodInfo(); |
| |
| // Add methods with inline caches. |
| for (uint16_t method_idx = 0; method_idx < 10; method_idx++) { |
| ASSERT_TRUE(AddMethod("dex_location1", /* checksum */ 1, method_idx, pmi, &saved_info)); |
| } |
| |
| ASSERT_TRUE(saved_info.Save(GetFd(profile))); |
| ASSERT_EQ(0, profile.GetFile()->Flush()); |
| |
| // Make some inline caches megamorphic and add them to the profile again. |
| ProfileCompilationInfo saved_info_extra; |
| ProfileCompilationInfo::OfflineProfileMethodInfo pmi_extra = GetOfflineProfileMethodInfo(); |
| MakeMegamorphic(&pmi_extra); |
| for (uint16_t method_idx = 5; method_idx < 10; method_idx++) { |
| ASSERT_TRUE(AddMethod("dex_location1", /* checksum */ 1, method_idx, pmi, &saved_info_extra)); |
| } |
| |
| // Mark all inline caches with missing types and add them to the profile again. |
| // This will verify that all inline caches (megamorphic or not) should be marked as missing types. |
| ProfileCompilationInfo::OfflineProfileMethodInfo missing_types = GetOfflineProfileMethodInfo(); |
| SetIsMissingTypes(&missing_types); |
| for (uint16_t method_idx = 0; method_idx < 10; method_idx++) { |
| ASSERT_TRUE(AddMethod("dex_location1", /* checksum */ 1, method_idx, pmi, &saved_info_extra)); |
| } |
| |
| ASSERT_TRUE(profile.GetFile()->ResetOffset()); |
| ASSERT_TRUE(saved_info_extra.Save(GetFd(profile))); |
| ASSERT_EQ(0, profile.GetFile()->Flush()); |
| |
| // Merge the profiles so that we have the same view as the file. |
| ASSERT_TRUE(saved_info.MergeWith(saved_info_extra)); |
| |
| // Check that we get back what we saved. |
| ProfileCompilationInfo loaded_info; |
| ASSERT_TRUE(profile.GetFile()->ResetOffset()); |
| ASSERT_TRUE(loaded_info.Load(GetFd(profile))); |
| |
| ASSERT_TRUE(loaded_info.Equals(saved_info)); |
| |
| ProfileCompilationInfo::OfflineProfileMethodInfo loaded_pmi1; |
| ASSERT_TRUE(loaded_info.GetMethod("dex_location1", |
| /* checksum */ 1, |
| /* method_idx */ 3, |
| &loaded_pmi1)); |
| ASSERT_TRUE(loaded_pmi1 == pmi_extra); |
| } |
| |
| TEST_F(ProfileCompilationInfoTest, SaveArtMethodsWithInlineCaches) { |
| ScratchFile profile; |
| |
| Thread* self = Thread::Current(); |
| jobject class_loader; |
| { |
| ScopedObjectAccess soa(self); |
| class_loader = LoadDex("ProfileTestMultiDex"); |
| } |
| ASSERT_NE(class_loader, nullptr); |
| |
| // Save virtual methods from Main. |
| std::set<DexCacheResolvedClasses> resolved_classes; |
| std::vector<ArtMethod*> main_methods = GetVirtualMethods(class_loader, "LMain;"); |
| |
| SafeMap<ArtMethod*, ProfileMethodInfo> profile_methods_map; |
| ASSERT_TRUE(SaveProfilingInfoWithFakeInlineCaches( |
| profile.GetFilename(), main_methods, &profile_methods_map)); |
| |
| // Check that what we saved is in the profile. |
| ProfileCompilationInfo info; |
| ASSERT_TRUE(info.Load(GetFd(profile))); |
| ASSERT_EQ(info.GetNumberOfMethods(), main_methods.size()); |
| { |
| ScopedObjectAccess soa(self); |
| for (ArtMethod* m : main_methods) { |
| ASSERT_TRUE(info.ContainsMethod(MethodReference(m->GetDexFile(), m->GetDexMethodIndex()))); |
| const ProfileMethodInfo& pmi = profile_methods_map.find(m)->second; |
| ProfileCompilationInfo::OfflineProfileMethodInfo offline_pmi; |
| ASSERT_TRUE(info.GetMethod(m->GetDexFile()->GetLocation(), |
| m->GetDexFile()->GetLocationChecksum(), |
| m->GetDexMethodIndex(), |
| &offline_pmi)); |
| ProfileCompilationInfo::OfflineProfileMethodInfo converted_pmi = |
| ConvertProfileMethodInfo(pmi); |
| ASSERT_EQ(converted_pmi, offline_pmi); |
| } |
| } |
| } |
| |
| TEST_F(ProfileCompilationInfoTest, InvalidChecksumInInlineCache) { |
| ScratchFile profile; |
| |
| ProfileCompilationInfo info; |
| ProfileCompilationInfo::OfflineProfileMethodInfo pmi1 = GetOfflineProfileMethodInfo(); |
| ProfileCompilationInfo::OfflineProfileMethodInfo pmi2 = GetOfflineProfileMethodInfo(); |
| // Modify the checksum to trigger a mismatch. |
| pmi2.dex_references[0].dex_checksum++; |
| |
| ASSERT_TRUE(AddMethod("dex_location1", /* checksum */ 1, /*method_idx*/ 0, pmi1, &info)); |
| ASSERT_FALSE(AddMethod("dex_location2", /* checksum */ 2, /*method_idx*/ 0, pmi2, &info)); |
| } |
| |
| // Verify that profiles behave correctly even if the methods are added in a different |
| // order and with a different dex profile indices for the dex files. |
| TEST_F(ProfileCompilationInfoTest, MergeInlineCacheTriggerReindex) { |
| ScratchFile profile; |
| |
| ProfileCompilationInfo info; |
| ProfileCompilationInfo info_reindexed; |
| |
| ProfileCompilationInfo::OfflineProfileMethodInfo pmi; |
| pmi.dex_references.emplace_back("dex_location1", /* checksum */ 1); |
| pmi.dex_references.emplace_back("dex_location2", /* checksum */ 2); |
| for (uint16_t dex_pc = 1; dex_pc < 5; dex_pc++) { |
| ProfileCompilationInfo::DexPcData dex_pc_data; |
| dex_pc_data.AddClass(0, dex::TypeIndex(0)); |
| dex_pc_data.AddClass(1, dex::TypeIndex(1)); |
| pmi.inline_caches.Put(dex_pc, dex_pc_data); |
| } |
| |
| ProfileCompilationInfo::OfflineProfileMethodInfo pmi_reindexed; |
| pmi_reindexed.dex_references.emplace_back("dex_location2", /* checksum */ 2); |
| pmi_reindexed.dex_references.emplace_back("dex_location1", /* checksum */ 1); |
| for (uint16_t dex_pc = 1; dex_pc < 5; dex_pc++) { |
| ProfileCompilationInfo::DexPcData dex_pc_data; |
| dex_pc_data.AddClass(1, dex::TypeIndex(0)); |
| dex_pc_data.AddClass(0, dex::TypeIndex(1)); |
| pmi_reindexed.inline_caches.Put(dex_pc, dex_pc_data); |
| } |
| |
| // Profile 1 and Profile 2 get the same methods but in different order. |
| // This will trigger a different dex numbers. |
| for (uint16_t method_idx = 0; method_idx < 10; method_idx++) { |
| ASSERT_TRUE(AddMethod("dex_location1", /* checksum */ 1, method_idx, pmi, &info)); |
| ASSERT_TRUE(AddMethod("dex_location2", /* checksum */ 2, method_idx, pmi, &info)); |
| } |
| |
| for (uint16_t method_idx = 0; method_idx < 10; method_idx++) { |
| ASSERT_TRUE(AddMethod( |
| "dex_location2", /* checksum */ 2, method_idx, pmi_reindexed, &info_reindexed)); |
| ASSERT_TRUE(AddMethod( |
| "dex_location1", /* checksum */ 1, method_idx, pmi_reindexed, &info_reindexed)); |
| } |
| |
| ProfileCompilationInfo info_backup = info; |
| ASSERT_TRUE(info.MergeWith(info_reindexed)); |
| // Merging should have no effect as we're adding the exact same stuff. |
| ASSERT_TRUE(info.Equals(info_backup)); |
| for (uint16_t method_idx = 0; method_idx < 10; method_idx++) { |
| ProfileCompilationInfo::OfflineProfileMethodInfo loaded_pmi1; |
| ASSERT_TRUE(info.GetMethod("dex_location1", |
| /* checksum */ 1, |
| /* method_idx */ method_idx, |
| &loaded_pmi1)); |
| ASSERT_TRUE(loaded_pmi1 == pmi); |
| ProfileCompilationInfo::OfflineProfileMethodInfo loaded_pmi2; |
| ASSERT_TRUE(info.GetMethod("dex_location2", |
| /* checksum */ 2, |
| /* method_idx */ method_idx, |
| &loaded_pmi2)); |
| ASSERT_TRUE(loaded_pmi2 == pmi); |
| } |
| } |
| |
| TEST_F(ProfileCompilationInfoTest, AddMoreDexFileThanLimit) { |
| ProfileCompilationInfo info; |
| // Save a few methods. |
| for (uint16_t i = 0; i < std::numeric_limits<uint8_t>::max(); i++) { |
| std::string dex_location = std::to_string(i); |
| ASSERT_TRUE(AddMethod(dex_location, /* checksum */ 1, /* method_idx */ i, &info)); |
| } |
| // We only support at most 255 dex files. |
| ASSERT_FALSE(AddMethod( |
| /*dex_location*/ "256", /* checksum */ 1, /* method_idx */ 0, &info)); |
| } |
| |
| TEST_F(ProfileCompilationInfoTest, MegamorphicInlineCachesMerge) { |
| // Create a megamorphic inline cache. |
| ProfileCompilationInfo::OfflineProfileMethodInfo pmi; |
| pmi.dex_references.emplace_back("dex_location1", /* checksum */ 1); |
| ProfileCompilationInfo::DexPcData dex_pc_data; |
| dex_pc_data.SetIsMegamorphic(); |
| pmi.inline_caches.Put(/*dex_pc*/ 0, dex_pc_data); |
| |
| ProfileCompilationInfo info_megamorphic; |
| ASSERT_TRUE(AddMethod("dex_location1", |
| /*checksum*/ 1, |
| /*method_idx*/ 0, |
| pmi, |
| &info_megamorphic)); |
| |
| // Create a profile with no inline caches (for the same method). |
| ProfileCompilationInfo info_no_inline_cache; |
| ASSERT_TRUE(AddMethod("dex_location1", |
| /*checksum*/ 1, |
| /*method_idx*/ 0, |
| &info_no_inline_cache)); |
| |
| // Merge the megamorphic cache into the empty one. |
| ASSERT_TRUE(info_no_inline_cache.MergeWith(info_megamorphic)); |
| ScratchFile profile; |
| // Saving profile should work without crashing (b/35644850). |
| ASSERT_TRUE(info_no_inline_cache.Save(GetFd(profile))); |
| } |
| |
| TEST_F(ProfileCompilationInfoTest, MissingTypesInlineCachesMerge) { |
| // Create an inline cache with missing types |
| ProfileCompilationInfo::OfflineProfileMethodInfo pmi; |
| pmi.dex_references.emplace_back("dex_location1", /* checksum */ 1); |
| ProfileCompilationInfo::DexPcData dex_pc_data; |
| dex_pc_data.SetIsMissingTypes(); |
| pmi.inline_caches.Put(/*dex_pc*/ 0, dex_pc_data); |
| |
| ProfileCompilationInfo info_megamorphic; |
| ASSERT_TRUE(AddMethod("dex_location1", |
| /*checksum*/ 1, |
| /*method_idx*/ 0, |
| pmi, |
| &info_megamorphic)); |
| |
| // Create a profile with no inline caches (for the same method). |
| ProfileCompilationInfo info_no_inline_cache; |
| ASSERT_TRUE(AddMethod("dex_location1", |
| /*checksum*/ 1, |
| /*method_idx*/ 0, |
| &info_no_inline_cache)); |
| |
| // Merge the missing type cache into the empty one. |
| // Everything should be saved without errors. |
| ASSERT_TRUE(info_no_inline_cache.MergeWith(info_megamorphic)); |
| ScratchFile profile; |
| ASSERT_TRUE(info_no_inline_cache.Save(GetFd(profile))); |
| } |
| |
| TEST_F(ProfileCompilationInfoTest, LoadShouldClearExistingDataFromProfiles) { |
| ScratchFile profile; |
| |
| ProfileCompilationInfo saved_info; |
| // Save a few methods. |
| for (uint16_t i = 0; i < 10; i++) { |
| ASSERT_TRUE(AddMethod("dex_location1", /* checksum */ 1, /* method_idx */ i, &saved_info)); |
| } |
| ASSERT_TRUE(saved_info.Save(GetFd(profile))); |
| ASSERT_EQ(0, profile.GetFile()->Flush()); |
| ASSERT_TRUE(profile.GetFile()->ResetOffset()); |
| |
| // Add a bunch of methods to test_info. |
| ProfileCompilationInfo test_info; |
| for (uint16_t i = 0; i < 10; i++) { |
| ASSERT_TRUE(AddMethod("dex_location2", /* checksum */ 2, /* method_idx */ i, &test_info)); |
| } |
| |
| // Attempt to load the saved profile into test_info. |
| // This should fail since the test_info already contains data and the load would overwrite it. |
| ASSERT_FALSE(test_info.Load(GetFd(profile))); |
| } |
| } // namespace art |
