2 * Copyright (C) 2015 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #include <gtest/gtest.h>
23 #include "environment.h"
24 #include "event_attr.h"
25 #include "event_type.h"
27 #include "record_file.h"
29 #include "record_equal_test.h"
31 using namespace PerfFileFormat;
33 class RecordFileTest : public ::testing::Test {
35 virtual void SetUp() {
36 filename_ = "temporary.record_file";
39 void AddEventType(const std::string& event_type_str) {
40 std::unique_ptr<EventTypeAndModifier> event_type_modifier = ParseEventType(event_type_str);
41 ASSERT_TRUE(event_type_modifier != nullptr);
42 perf_event_attr attr = CreateDefaultPerfEventAttr(event_type_modifier->event_type);
43 attrs_.push_back(std::unique_ptr<perf_event_attr>(new perf_event_attr(attr)));
45 attr_id.attr = attrs_.back().get();
46 attr_id.ids.push_back(attrs_.size()); // Fake id.
47 attr_ids_.push_back(attr_id);
50 std::string filename_;
51 std::vector<std::unique_ptr<perf_event_attr>> attrs_;
52 std::vector<AttrWithId> attr_ids_;
55 TEST_F(RecordFileTest, smoke) {
56 // Write to a record file.
57 std::unique_ptr<RecordFileWriter> writer = RecordFileWriter::CreateInstance(filename_);
58 ASSERT_TRUE(writer != nullptr);
60 // Write attr section.
61 AddEventType("cpu-cycles");
62 ASSERT_TRUE(writer->WriteAttrSection(attr_ids_));
64 // Write data section.
65 MmapRecord mmap_record = CreateMmapRecord(*(attr_ids_[0].attr), true, 1, 1, 0x1000, 0x2000,
66 0x3000, "mmap_record_example");
67 ASSERT_TRUE(writer->WriteData(mmap_record.BinaryFormat()));
69 // Write feature section.
70 ASSERT_TRUE(writer->WriteFeatureHeader(1));
71 char p[BuildId::Size()];
72 for (size_t i = 0; i < BuildId::Size(); ++i) {
76 BuildIdRecord build_id_record = CreateBuildIdRecord(false, getpid(), build_id, "init");
77 ASSERT_TRUE(writer->WriteBuildIdFeature({build_id_record}));
78 ASSERT_TRUE(writer->Close());
80 // Read from a record file.
81 std::unique_ptr<RecordFileReader> reader = RecordFileReader::CreateInstance(filename_);
82 ASSERT_TRUE(reader != nullptr);
83 const std::vector<FileAttr>& file_attrs = reader->AttrSection();
84 ASSERT_EQ(1u, file_attrs.size());
85 ASSERT_EQ(0, memcmp(&file_attrs[0].attr, attr_ids_[0].attr, sizeof(perf_event_attr)));
86 std::vector<uint64_t> ids;
87 ASSERT_TRUE(reader->ReadIdsForAttr(file_attrs[0], &ids));
88 ASSERT_EQ(ids, attr_ids_[0].ids);
90 // Read and check data section.
91 std::vector<std::unique_ptr<Record>> records = reader->DataSection();
92 ASSERT_EQ(1u, records.size());
93 CheckRecordEqual(mmap_record, *records[0]);
95 // Read and check feature section.
96 std::vector<BuildIdRecord> build_id_records = reader->ReadBuildIdFeature();
97 ASSERT_EQ(1u, build_id_records.size());
98 CheckRecordEqual(build_id_record, build_id_records[0]);
100 ASSERT_TRUE(reader->Close());
103 TEST_F(RecordFileTest, records_sorted_by_time) {
104 // Write to a record file.
105 std::unique_ptr<RecordFileWriter> writer = RecordFileWriter::CreateInstance(filename_);
106 ASSERT_TRUE(writer != nullptr);
108 // Write attr section.
109 AddEventType("cpu-cycles");
110 attrs_[0]->sample_id_all = 1;
111 attrs_[0]->sample_type |= PERF_SAMPLE_TIME;
112 ASSERT_TRUE(writer->WriteAttrSection(attr_ids_));
114 // Write data section.
116 CreateMmapRecord(*(attr_ids_[0].attr), true, 1, 1, 0x100, 0x2000, 0x3000, "mmap_record1");
119 r1.sample_id.time_data.time = 2;
120 r2.sample_id.time_data.time = 1;
121 r3.sample_id.time_data.time = 3;
122 ASSERT_TRUE(writer->WriteData(r1.BinaryFormat()));
123 ASSERT_TRUE(writer->WriteData(r2.BinaryFormat()));
124 ASSERT_TRUE(writer->WriteData(r3.BinaryFormat()));
125 ASSERT_TRUE(writer->Close());
127 // Read from a record file.
128 std::unique_ptr<RecordFileReader> reader = RecordFileReader::CreateInstance(filename_);
129 ASSERT_TRUE(reader != nullptr);
130 std::vector<std::unique_ptr<Record>> records = reader->DataSection();
131 ASSERT_EQ(3u, records.size());
132 CheckRecordEqual(r2, *records[0]);
133 CheckRecordEqual(r1, *records[1]);
134 CheckRecordEqual(r3, *records[2]);
136 ASSERT_TRUE(reader->Close());
139 TEST_F(RecordFileTest, record_more_than_one_attr) {
140 // Write to a record file.
141 std::unique_ptr<RecordFileWriter> writer = RecordFileWriter::CreateInstance(filename_);
142 ASSERT_TRUE(writer != nullptr);
144 // Write attr section.
145 AddEventType("cpu-cycles");
146 AddEventType("cpu-clock");
147 AddEventType("task-clock");
148 ASSERT_TRUE(writer->WriteAttrSection(attr_ids_));
150 ASSERT_TRUE(writer->Close());
152 // Read from a record file.
153 std::unique_ptr<RecordFileReader> reader = RecordFileReader::CreateInstance(filename_);
154 ASSERT_TRUE(reader != nullptr);
155 const std::vector<FileAttr>& file_attrs = reader->AttrSection();
156 ASSERT_EQ(3u, file_attrs.size());
157 for (size_t i = 0; i < file_attrs.size(); ++i) {
158 ASSERT_EQ(0, memcmp(&file_attrs[i].attr, attr_ids_[i].attr, sizeof(perf_event_attr)));
159 std::vector<uint64_t> ids;
160 ASSERT_TRUE(reader->ReadIdsForAttr(file_attrs[i], &ids));
161 ASSERT_EQ(ids, attr_ids_[i].ids);