Yabin Cui | ed91cd9 | 2015-04-28 15:54:13 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include <gtest/gtest.h> |
| 18 | |
Yabin Cui | 5beebc8 | 2015-05-04 20:27:57 -0700 | [diff] [blame] | 19 | #include <string.h> |
Yabin Cui | ed91cd9 | 2015-04-28 15:54:13 -0700 | [diff] [blame] | 20 | #include "environment.h" |
| 21 | #include "event_attr.h" |
| 22 | #include "event_fd.h" |
| 23 | #include "event_type.h" |
| 24 | #include "record.h" |
| 25 | #include "record_file.h" |
| 26 | |
Yabin Cui | 5beebc8 | 2015-05-04 20:27:57 -0700 | [diff] [blame] | 27 | #include "record_equal_test.h" |
| 28 | |
Yabin Cui | ed91cd9 | 2015-04-28 15:54:13 -0700 | [diff] [blame] | 29 | using namespace PerfFileFormat; |
| 30 | |
| 31 | class RecordFileTest : public ::testing::Test { |
| 32 | protected: |
| 33 | virtual void SetUp() { |
| 34 | filename = "temporary.record_file"; |
| 35 | const EventType* event_type = EventTypeFactory::FindEventTypeByName("cpu-cycles"); |
Yabin Cui | 568b82a | 2015-05-05 19:58:07 -0700 | [diff] [blame^] | 36 | ASSERT_TRUE(event_type != nullptr); |
Yabin Cui | ed91cd9 | 2015-04-28 15:54:13 -0700 | [diff] [blame] | 37 | event_attr = CreateDefaultPerfEventAttr(*event_type); |
| 38 | std::unique_ptr<EventFd> event_fd = EventFd::OpenEventFileForProcess(event_attr, getpid()); |
| 39 | ASSERT_TRUE(event_fd != nullptr); |
| 40 | event_fds.push_back(std::move(event_fd)); |
| 41 | } |
| 42 | |
| 43 | std::string filename; |
| 44 | perf_event_attr event_attr; |
| 45 | std::vector<std::unique_ptr<EventFd>> event_fds; |
| 46 | }; |
| 47 | |
| 48 | TEST_F(RecordFileTest, smoke) { |
| 49 | // Write to a record file. |
| 50 | std::unique_ptr<RecordFileWriter> writer = |
| 51 | RecordFileWriter::CreateInstance(filename, event_attr, event_fds); |
| 52 | ASSERT_TRUE(writer != nullptr); |
| 53 | |
Yabin Cui | 568b82a | 2015-05-05 19:58:07 -0700 | [diff] [blame^] | 54 | // Write data section. |
Yabin Cui | 5beebc8 | 2015-05-04 20:27:57 -0700 | [diff] [blame] | 55 | MmapRecord mmap_record = |
| 56 | CreateMmapRecord(event_attr, true, 1, 1, 0x1000, 0x2000, 0x3000, "mmap_record_example"); |
Yabin Cui | ed91cd9 | 2015-04-28 15:54:13 -0700 | [diff] [blame] | 57 | ASSERT_TRUE(writer->WriteData(mmap_record.BinaryFormat())); |
Yabin Cui | 568b82a | 2015-05-05 19:58:07 -0700 | [diff] [blame^] | 58 | |
| 59 | // Write feature section. |
| 60 | ASSERT_TRUE(writer->WriteFeatureHeader(1)); |
| 61 | BuildId build_id; |
| 62 | for (size_t i = 0; i < build_id.size(); ++i) { |
| 63 | build_id[i] = i; |
| 64 | } |
| 65 | BuildIdRecord build_id_record = CreateBuildIdRecord(false, getpid(), build_id, "init"); |
| 66 | ASSERT_TRUE(writer->WriteBuildIdFeature({build_id_record})); |
Yabin Cui | ed91cd9 | 2015-04-28 15:54:13 -0700 | [diff] [blame] | 67 | ASSERT_TRUE(writer->Close()); |
| 68 | |
| 69 | // Read from a record file. |
| 70 | std::unique_ptr<RecordFileReader> reader = RecordFileReader::CreateInstance(filename); |
| 71 | ASSERT_TRUE(reader != nullptr); |
| 72 | const FileHeader* file_header = reader->FileHeader(); |
| 73 | ASSERT_TRUE(file_header != nullptr); |
| 74 | std::vector<const FileAttr*> attrs = reader->AttrSection(); |
| 75 | ASSERT_EQ(1u, attrs.size()); |
| 76 | ASSERT_EQ(0, memcmp(&attrs[0]->attr, &event_attr, sizeof(perf_event_attr))); |
| 77 | std::vector<uint64_t> ids = reader->IdsForAttr(attrs[0]); |
| 78 | ASSERT_EQ(1u, ids.size()); |
| 79 | |
| 80 | // Read and check data section. |
| 81 | std::vector<std::unique_ptr<const Record>> records = reader->DataSection(); |
| 82 | ASSERT_EQ(1u, records.size()); |
| 83 | ASSERT_EQ(mmap_record.header.type, records[0]->header.type); |
Yabin Cui | 5beebc8 | 2015-05-04 20:27:57 -0700 | [diff] [blame] | 84 | CheckRecordEqual(mmap_record, *records[0]); |
Yabin Cui | ed91cd9 | 2015-04-28 15:54:13 -0700 | [diff] [blame] | 85 | |
Yabin Cui | 568b82a | 2015-05-05 19:58:07 -0700 | [diff] [blame^] | 86 | // Read and check feature section. |
| 87 | ASSERT_TRUE(file_header->features[FEAT_BUILD_ID / 8] & (1 << (FEAT_BUILD_ID % 8))); |
| 88 | std::vector<SectionDesc> sections = reader->FeatureSectionDescriptors(); |
| 89 | ASSERT_EQ(1u, sections.size()); |
| 90 | const perf_event_header* header = |
| 91 | reinterpret_cast<const perf_event_header*>(reader->DataAtOffset(sections[0].offset)); |
| 92 | ASSERT_TRUE(header != nullptr); |
| 93 | ASSERT_EQ(sections[0].size, header->size); |
| 94 | CheckRecordEqual(build_id_record, BuildIdRecord(header)); |
| 95 | |
Yabin Cui | ed91cd9 | 2015-04-28 15:54:13 -0700 | [diff] [blame] | 96 | ASSERT_TRUE(reader->Close()); |
| 97 | } |