| /* |
| * Copyright (C) 2015 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 <string.h> |
| #include "environment.h" |
| #include "event_attr.h" |
| #include "event_fd.h" |
| #include "event_type.h" |
| #include "record.h" |
| #include "record_file.h" |
| |
| #include "record_equal_test.h" |
| |
| using namespace PerfFileFormat; |
| |
| class RecordFileTest : public ::testing::Test { |
| protected: |
| virtual void SetUp() { |
| filename = "temporary.record_file"; |
| const EventType* event_type = EventTypeFactory::FindEventTypeByName("cpu-cycles"); |
| ASSERT_TRUE(event_type != nullptr); |
| event_attr = CreateDefaultPerfEventAttr(*event_type); |
| std::unique_ptr<EventFd> event_fd = EventFd::OpenEventFileForProcess(event_attr, getpid()); |
| ASSERT_TRUE(event_fd != nullptr); |
| event_fds.push_back(std::move(event_fd)); |
| } |
| |
| std::string filename; |
| perf_event_attr event_attr; |
| std::vector<std::unique_ptr<EventFd>> event_fds; |
| }; |
| |
| TEST_F(RecordFileTest, smoke) { |
| // Write to a record file. |
| std::unique_ptr<RecordFileWriter> writer = |
| RecordFileWriter::CreateInstance(filename, event_attr, event_fds); |
| ASSERT_TRUE(writer != nullptr); |
| |
| // Write data section. |
| MmapRecord mmap_record = |
| CreateMmapRecord(event_attr, true, 1, 1, 0x1000, 0x2000, 0x3000, "mmap_record_example"); |
| ASSERT_TRUE(writer->WriteData(mmap_record.BinaryFormat())); |
| |
| // Write feature section. |
| ASSERT_TRUE(writer->WriteFeatureHeader(1)); |
| BuildId build_id; |
| for (size_t i = 0; i < build_id.size(); ++i) { |
| build_id[i] = i; |
| } |
| BuildIdRecord build_id_record = CreateBuildIdRecord(false, getpid(), build_id, "init"); |
| ASSERT_TRUE(writer->WriteBuildIdFeature({build_id_record})); |
| ASSERT_TRUE(writer->Close()); |
| |
| // Read from a record file. |
| std::unique_ptr<RecordFileReader> reader = RecordFileReader::CreateInstance(filename); |
| ASSERT_TRUE(reader != nullptr); |
| const FileHeader* file_header = reader->FileHeader(); |
| ASSERT_TRUE(file_header != nullptr); |
| std::vector<const FileAttr*> attrs = reader->AttrSection(); |
| ASSERT_EQ(1u, attrs.size()); |
| ASSERT_EQ(0, memcmp(&attrs[0]->attr, &event_attr, sizeof(perf_event_attr))); |
| std::vector<uint64_t> ids = reader->IdsForAttr(attrs[0]); |
| ASSERT_EQ(1u, ids.size()); |
| |
| // Read and check data section. |
| std::vector<std::unique_ptr<const Record>> records = reader->DataSection(); |
| ASSERT_EQ(1u, records.size()); |
| ASSERT_EQ(mmap_record.header.type, records[0]->header.type); |
| CheckRecordEqual(mmap_record, *records[0]); |
| |
| // Read and check feature section. |
| ASSERT_TRUE(file_header->features[FEAT_BUILD_ID / 8] & (1 << (FEAT_BUILD_ID % 8))); |
| std::vector<SectionDesc> sections = reader->FeatureSectionDescriptors(); |
| ASSERT_EQ(1u, sections.size()); |
| const perf_event_header* header = |
| reinterpret_cast<const perf_event_header*>(reader->DataAtOffset(sections[0].offset)); |
| ASSERT_TRUE(header != nullptr); |
| ASSERT_EQ(sections[0].size, header->size); |
| CheckRecordEqual(build_id_record, BuildIdRecord(header)); |
| |
| ASSERT_TRUE(reader->Close()); |
| } |