| /* |
| * 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 <memory> |
| |
| #include "environment.h" |
| #include "event_attr.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"; |
| } |
| |
| void AddEventType(const std::string& event_type_str) { |
| std::unique_ptr<EventTypeAndModifier> event_type_modifier = ParseEventType(event_type_str); |
| ASSERT_TRUE(event_type_modifier != nullptr); |
| perf_event_attr attr = CreateDefaultPerfEventAttr(event_type_modifier->event_type); |
| attrs_.push_back(std::unique_ptr<perf_event_attr>(new perf_event_attr(attr))); |
| AttrWithId attr_id; |
| attr_id.attr = attrs_.back().get(); |
| attr_id.ids.push_back(attrs_.size()); // Fake id. |
| attr_ids_.push_back(attr_id); |
| } |
| |
| std::string filename_; |
| std::vector<std::unique_ptr<perf_event_attr>> attrs_; |
| std::vector<AttrWithId> attr_ids_; |
| }; |
| |
| TEST_F(RecordFileTest, smoke) { |
| // Write to a record file. |
| std::unique_ptr<RecordFileWriter> writer = RecordFileWriter::CreateInstance(filename_); |
| ASSERT_TRUE(writer != nullptr); |
| |
| // Write attr section. |
| AddEventType("cpu-cycles"); |
| ASSERT_TRUE(writer->WriteAttrSection(attr_ids_)); |
| |
| // Write data section. |
| MmapRecord mmap_record = CreateMmapRecord(*(attr_ids_[0].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)); |
| char p[BuildId::Size()]; |
| for (size_t i = 0; i < BuildId::Size(); ++i) { |
| p[i] = i; |
| } |
| BuildId build_id(p); |
| 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 std::vector<FileAttr>& file_attrs = reader->AttrSection(); |
| ASSERT_EQ(1u, file_attrs.size()); |
| ASSERT_EQ(0, memcmp(&file_attrs[0].attr, attr_ids_[0].attr, sizeof(perf_event_attr))); |
| std::vector<uint64_t> ids; |
| ASSERT_TRUE(reader->ReadIdsForAttr(file_attrs[0], &ids)); |
| ASSERT_EQ(ids, attr_ids_[0].ids); |
| |
| // Read and check data section. |
| std::vector<std::unique_ptr<Record>> records = reader->DataSection(); |
| ASSERT_EQ(1u, records.size()); |
| CheckRecordEqual(mmap_record, *records[0]); |
| |
| // Read and check feature section. |
| std::vector<BuildIdRecord> build_id_records = reader->ReadBuildIdFeature(); |
| ASSERT_EQ(1u, build_id_records.size()); |
| CheckRecordEqual(build_id_record, build_id_records[0]); |
| |
| ASSERT_TRUE(reader->Close()); |
| } |
| |
| TEST_F(RecordFileTest, records_sorted_by_time) { |
| // Write to a record file. |
| std::unique_ptr<RecordFileWriter> writer = RecordFileWriter::CreateInstance(filename_); |
| ASSERT_TRUE(writer != nullptr); |
| |
| // Write attr section. |
| AddEventType("cpu-cycles"); |
| attrs_[0]->sample_id_all = 1; |
| attrs_[0]->sample_type |= PERF_SAMPLE_TIME; |
| ASSERT_TRUE(writer->WriteAttrSection(attr_ids_)); |
| |
| // Write data section. |
| MmapRecord r1 = |
| CreateMmapRecord(*(attr_ids_[0].attr), true, 1, 1, 0x100, 0x2000, 0x3000, "mmap_record1"); |
| MmapRecord r2 = r1; |
| MmapRecord r3 = r1; |
| r1.sample_id.time_data.time = 2; |
| r2.sample_id.time_data.time = 1; |
| r3.sample_id.time_data.time = 3; |
| ASSERT_TRUE(writer->WriteData(r1.BinaryFormat())); |
| ASSERT_TRUE(writer->WriteData(r2.BinaryFormat())); |
| ASSERT_TRUE(writer->WriteData(r3.BinaryFormat())); |
| ASSERT_TRUE(writer->Close()); |
| |
| // Read from a record file. |
| std::unique_ptr<RecordFileReader> reader = RecordFileReader::CreateInstance(filename_); |
| ASSERT_TRUE(reader != nullptr); |
| std::vector<std::unique_ptr<Record>> records = reader->DataSection(); |
| ASSERT_EQ(3u, records.size()); |
| CheckRecordEqual(r2, *records[0]); |
| CheckRecordEqual(r1, *records[1]); |
| CheckRecordEqual(r3, *records[2]); |
| |
| ASSERT_TRUE(reader->Close()); |
| } |
| |
| TEST_F(RecordFileTest, record_more_than_one_attr) { |
| // Write to a record file. |
| std::unique_ptr<RecordFileWriter> writer = RecordFileWriter::CreateInstance(filename_); |
| ASSERT_TRUE(writer != nullptr); |
| |
| // Write attr section. |
| AddEventType("cpu-cycles"); |
| AddEventType("cpu-clock"); |
| AddEventType("task-clock"); |
| ASSERT_TRUE(writer->WriteAttrSection(attr_ids_)); |
| |
| ASSERT_TRUE(writer->Close()); |
| |
| // Read from a record file. |
| std::unique_ptr<RecordFileReader> reader = RecordFileReader::CreateInstance(filename_); |
| ASSERT_TRUE(reader != nullptr); |
| const std::vector<FileAttr>& file_attrs = reader->AttrSection(); |
| ASSERT_EQ(3u, file_attrs.size()); |
| for (size_t i = 0; i < file_attrs.size(); ++i) { |
| ASSERT_EQ(0, memcmp(&file_attrs[i].attr, attr_ids_[i].attr, sizeof(perf_event_attr))); |
| std::vector<uint64_t> ids; |
| ASSERT_TRUE(reader->ReadIdsForAttr(file_attrs[i], &ids)); |
| ASSERT_EQ(ids, attr_ids_[i].ids); |
| } |
| } |