285 lines
10 KiB
C++
285 lines
10 KiB
C++
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <gtest/gtest.h>
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#include "base/unix_file/fd_file.h"
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#include "common_runtime_test.h"
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#include "profile_assistant.h"
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#include "jit/offline_profiling_info.h"
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#include "utils.h"
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namespace art {
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class ProfileAssistantTest : public CommonRuntimeTest {
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protected:
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void SetupProfile(const std::string& id,
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uint32_t checksum,
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uint16_t number_of_methods,
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uint16_t number_of_classes,
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const ScratchFile& profile,
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ProfileCompilationInfo* info,
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uint16_t start_method_index = 0) {
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std::string dex_location1 = "location1" + id;
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uint32_t dex_location_checksum1 = checksum;
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std::string dex_location2 = "location2" + id;
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uint32_t dex_location_checksum2 = 10 * checksum;
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for (uint16_t i = start_method_index; i < start_method_index + number_of_methods; i++) {
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ASSERT_TRUE(info->AddMethodIndex(dex_location1, dex_location_checksum1, i));
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ASSERT_TRUE(info->AddMethodIndex(dex_location2, dex_location_checksum2, i));
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}
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for (uint16_t i = 0; i < number_of_classes; i++) {
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ASSERT_TRUE(info->AddClassIndex(dex_location1, dex_location_checksum1, i));
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}
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ASSERT_TRUE(info->Save(GetFd(profile)));
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ASSERT_EQ(0, profile.GetFile()->Flush());
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ASSERT_TRUE(profile.GetFile()->ResetOffset());
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}
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int GetFd(const ScratchFile& file) const {
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return static_cast<int>(file.GetFd());
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}
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void CheckProfileInfo(ScratchFile& file, const ProfileCompilationInfo& info) {
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ProfileCompilationInfo file_info;
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ASSERT_TRUE(file.GetFile()->ResetOffset());
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ASSERT_TRUE(file_info.Load(GetFd(file)));
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ASSERT_TRUE(file_info.Equals(info));
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}
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// Runs test with given arguments.
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int ProcessProfiles(const std::vector<int>& profiles_fd, int reference_profile_fd) {
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std::string file_path = GetTestAndroidRoot();
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file_path += "/bin/profman";
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if (kIsDebugBuild) {
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file_path += "d";
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}
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EXPECT_TRUE(OS::FileExists(file_path.c_str())) << file_path << " should be a valid file path";
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std::vector<std::string> argv_str;
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argv_str.push_back(file_path);
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for (size_t k = 0; k < profiles_fd.size(); k++) {
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argv_str.push_back("--profile-file-fd=" + std::to_string(profiles_fd[k]));
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}
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argv_str.push_back("--reference-profile-file-fd=" + std::to_string(reference_profile_fd));
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std::string error;
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return ExecAndReturnCode(argv_str, &error);
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}
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};
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TEST_F(ProfileAssistantTest, AdviseCompilationEmptyReferences) {
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ScratchFile profile1;
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ScratchFile profile2;
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ScratchFile reference_profile;
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std::vector<int> profile_fds({
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GetFd(profile1),
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GetFd(profile2)});
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int reference_profile_fd = GetFd(reference_profile);
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const uint16_t kNumberOfMethodsToEnableCompilation = 100;
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ProfileCompilationInfo info1;
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SetupProfile("p1", 1, kNumberOfMethodsToEnableCompilation, 0, profile1, &info1);
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ProfileCompilationInfo info2;
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SetupProfile("p2", 2, kNumberOfMethodsToEnableCompilation, 0, profile2, &info2);
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// We should advise compilation.
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ASSERT_EQ(ProfileAssistant::kCompile,
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ProcessProfiles(profile_fds, reference_profile_fd));
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// The resulting compilation info must be equal to the merge of the inputs.
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ProfileCompilationInfo result;
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ASSERT_TRUE(reference_profile.GetFile()->ResetOffset());
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ASSERT_TRUE(result.Load(reference_profile_fd));
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ProfileCompilationInfo expected;
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ASSERT_TRUE(expected.MergeWith(info1));
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ASSERT_TRUE(expected.MergeWith(info2));
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ASSERT_TRUE(expected.Equals(result));
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// The information from profiles must remain the same.
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CheckProfileInfo(profile1, info1);
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CheckProfileInfo(profile2, info2);
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}
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// TODO(calin): Add more tests for classes.
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TEST_F(ProfileAssistantTest, AdviseCompilationEmptyReferencesBecauseOfClasses) {
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ScratchFile profile1;
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ScratchFile reference_profile;
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std::vector<int> profile_fds({
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GetFd(profile1)});
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int reference_profile_fd = GetFd(reference_profile);
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const uint16_t kNumberOfClassesToEnableCompilation = 100;
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ProfileCompilationInfo info1;
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SetupProfile("p1", 1, 0, kNumberOfClassesToEnableCompilation, profile1, &info1);
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// We should advise compilation.
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ASSERT_EQ(ProfileAssistant::kCompile,
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ProcessProfiles(profile_fds, reference_profile_fd));
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// The resulting compilation info must be equal to the merge of the inputs.
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ProfileCompilationInfo result;
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ASSERT_TRUE(reference_profile.GetFile()->ResetOffset());
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ASSERT_TRUE(result.Load(reference_profile_fd));
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ProfileCompilationInfo expected;
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ASSERT_TRUE(expected.MergeWith(info1));
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ASSERT_TRUE(expected.Equals(result));
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// The information from profiles must remain the same.
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CheckProfileInfo(profile1, info1);
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}
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TEST_F(ProfileAssistantTest, AdviseCompilationNonEmptyReferences) {
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ScratchFile profile1;
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ScratchFile profile2;
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ScratchFile reference_profile;
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std::vector<int> profile_fds({
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GetFd(profile1),
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GetFd(profile2)});
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int reference_profile_fd = GetFd(reference_profile);
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// The new profile info will contain the methods with indices 0-100.
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const uint16_t kNumberOfMethodsToEnableCompilation = 100;
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ProfileCompilationInfo info1;
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SetupProfile("p1", 1, kNumberOfMethodsToEnableCompilation, 0, profile1, &info1);
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ProfileCompilationInfo info2;
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SetupProfile("p2", 2, kNumberOfMethodsToEnableCompilation, 0, profile2, &info2);
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// The reference profile info will contain the methods with indices 50-150.
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const uint16_t kNumberOfMethodsAlreadyCompiled = 100;
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ProfileCompilationInfo reference_info;
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SetupProfile("p1", 1, kNumberOfMethodsAlreadyCompiled, 0, reference_profile,
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&reference_info, kNumberOfMethodsToEnableCompilation / 2);
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// We should advise compilation.
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ASSERT_EQ(ProfileAssistant::kCompile,
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ProcessProfiles(profile_fds, reference_profile_fd));
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// The resulting compilation info must be equal to the merge of the inputs
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ProfileCompilationInfo result;
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ASSERT_TRUE(reference_profile.GetFile()->ResetOffset());
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ASSERT_TRUE(result.Load(reference_profile_fd));
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ProfileCompilationInfo expected;
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ASSERT_TRUE(expected.MergeWith(info1));
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ASSERT_TRUE(expected.MergeWith(info2));
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ASSERT_TRUE(expected.MergeWith(reference_info));
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ASSERT_TRUE(expected.Equals(result));
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// The information from profiles must remain the same.
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CheckProfileInfo(profile1, info1);
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CheckProfileInfo(profile2, info2);
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}
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TEST_F(ProfileAssistantTest, DoNotAdviseCompilation) {
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ScratchFile profile1;
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ScratchFile profile2;
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ScratchFile reference_profile;
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std::vector<int> profile_fds({
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GetFd(profile1),
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GetFd(profile2)});
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int reference_profile_fd = GetFd(reference_profile);
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const uint16_t kNumberOfMethodsToSkipCompilation = 1;
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ProfileCompilationInfo info1;
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SetupProfile("p1", 1, kNumberOfMethodsToSkipCompilation, 0, profile1, &info1);
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ProfileCompilationInfo info2;
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SetupProfile("p2", 2, kNumberOfMethodsToSkipCompilation, 0, profile2, &info2);
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// We should not advise compilation.
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ASSERT_EQ(ProfileAssistant::kSkipCompilation,
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ProcessProfiles(profile_fds, reference_profile_fd));
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// The information from profiles must remain the same.
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ProfileCompilationInfo file_info1;
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ASSERT_TRUE(profile1.GetFile()->ResetOffset());
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ASSERT_TRUE(file_info1.Load(GetFd(profile1)));
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ASSERT_TRUE(file_info1.Equals(info1));
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ProfileCompilationInfo file_info2;
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ASSERT_TRUE(profile2.GetFile()->ResetOffset());
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ASSERT_TRUE(file_info2.Load(GetFd(profile2)));
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ASSERT_TRUE(file_info2.Equals(info2));
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// Reference profile files must remain empty.
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ASSERT_EQ(0, reference_profile.GetFile()->GetLength());
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// The information from profiles must remain the same.
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CheckProfileInfo(profile1, info1);
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CheckProfileInfo(profile2, info2);
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}
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TEST_F(ProfileAssistantTest, FailProcessingBecauseOfProfiles) {
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ScratchFile profile1;
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ScratchFile profile2;
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ScratchFile reference_profile;
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std::vector<int> profile_fds({
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GetFd(profile1),
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GetFd(profile2)});
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int reference_profile_fd = GetFd(reference_profile);
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const uint16_t kNumberOfMethodsToEnableCompilation = 100;
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// Assign different hashes for the same dex file. This will make merging of information to fail.
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ProfileCompilationInfo info1;
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SetupProfile("p1", 1, kNumberOfMethodsToEnableCompilation, 0, profile1, &info1);
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ProfileCompilationInfo info2;
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SetupProfile("p1", 2, kNumberOfMethodsToEnableCompilation, 0, profile2, &info2);
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// We should fail processing.
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ASSERT_EQ(ProfileAssistant::kErrorBadProfiles,
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ProcessProfiles(profile_fds, reference_profile_fd));
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// The information from profiles must remain the same.
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CheckProfileInfo(profile1, info1);
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CheckProfileInfo(profile2, info2);
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// Reference profile files must still remain empty.
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ASSERT_EQ(0, reference_profile.GetFile()->GetLength());
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}
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TEST_F(ProfileAssistantTest, FailProcessingBecauseOfReferenceProfiles) {
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ScratchFile profile1;
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ScratchFile reference_profile;
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std::vector<int> profile_fds({
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GetFd(profile1)});
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int reference_profile_fd = GetFd(reference_profile);
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const uint16_t kNumberOfMethodsToEnableCompilation = 100;
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// Assign different hashes for the same dex file. This will make merging of information to fail.
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ProfileCompilationInfo info1;
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SetupProfile("p1", 1, kNumberOfMethodsToEnableCompilation, 0, profile1, &info1);
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ProfileCompilationInfo reference_info;
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SetupProfile("p1", 2, kNumberOfMethodsToEnableCompilation, 0, reference_profile, &reference_info);
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// We should not advise compilation.
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ASSERT_TRUE(profile1.GetFile()->ResetOffset());
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ASSERT_TRUE(reference_profile.GetFile()->ResetOffset());
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ASSERT_EQ(ProfileAssistant::kErrorBadProfiles,
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ProcessProfiles(profile_fds, reference_profile_fd));
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// The information from profiles must remain the same.
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CheckProfileInfo(profile1, info1);
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}
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} // namespace art
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