/* * 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 <android-base/test_utils.h> #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: 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); } TemporaryFile tmpfile_; 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(tmpfile_.path); 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(tmpfile_.path); 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(tmpfile_.path); 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(tmpfile_.path); 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(tmpfile_.path); 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(tmpfile_.path); 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); } }