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
19#include "event_attr.h"
20#include "event_type.h"
21#include "record.h"
22#include "record_equal_test.h"
23
24class RecordTest : public ::testing::Test {
25 protected:
26  virtual void SetUp() {
27    const EventType* type = FindEventTypeByName("cpu-cycles");
28    ASSERT_TRUE(type != nullptr);
29    event_attr = CreateDefaultPerfEventAttr(*type);
30  }
31
32  template <class RecordType>
33  void CheckRecordMatchBinary(const RecordType& record);
34
35  perf_event_attr event_attr;
36};
37
38template <class RecordType>
39void RecordTest::CheckRecordMatchBinary(const RecordType& record) {
40  std::vector<char> binary = record.BinaryFormat();
41  std::vector<std::unique_ptr<Record>> records =
42      ReadRecordsFromBuffer(event_attr, binary.data(), binary.size());
43  ASSERT_EQ(1u, records.size());
44  CheckRecordEqual(record, *records[0]);
45}
46
47TEST_F(RecordTest, MmapRecordMatchBinary) {
48  MmapRecord record =
49      CreateMmapRecord(event_attr, true, 1, 2, 0x1000, 0x2000, 0x3000, "MmapRecord");
50  CheckRecordMatchBinary(record);
51}
52
53TEST_F(RecordTest, CommRecordMatchBinary) {
54  CommRecord record = CreateCommRecord(event_attr, 1, 2, "CommRecord");
55  CheckRecordMatchBinary(record);
56}
57
58TEST_F(RecordTest, RecordCache_smoke) {
59  event_attr.sample_id_all = 1;
60  event_attr.sample_type |= PERF_SAMPLE_TIME;
61  RecordCache cache(event_attr, 2, 2);
62  MmapRecord r1 = CreateMmapRecord(event_attr, true, 1, 1, 0x100, 0x200, 0x300, "mmap_record1");
63  MmapRecord r2 = r1;
64  MmapRecord r3 = r1;
65  MmapRecord r4 = r1;
66  r1.sample_id.time_data.time = 3;
67  r2.sample_id.time_data.time = 1;
68  r3.sample_id.time_data.time = 4;
69  r4.sample_id.time_data.time = 6;
70  std::vector<char> buf1 = r1.BinaryFormat();
71  std::vector<char> buf2 = r2.BinaryFormat();
72  std::vector<char> buf3 = r3.BinaryFormat();
73  std::vector<char> buf4 = r4.BinaryFormat();
74  // Push r1.
75  cache.Push(buf1.data(), buf1.size());
76  ASSERT_EQ(nullptr, cache.Pop());
77  // Push r2.
78  cache.Push(buf2.data(), buf2.size());
79  // Pop r2.
80  std::unique_ptr<Record> popped_r = cache.Pop();
81  ASSERT_TRUE(popped_r != nullptr);
82  CheckRecordEqual(r2, *popped_r);
83  ASSERT_EQ(nullptr, cache.Pop());
84  // Push r3.
85  cache.Push(buf3.data(), buf3.size());
86  ASSERT_EQ(nullptr, cache.Pop());
87  // Push r4.
88  cache.Push(buf4.data(), buf4.size());
89  // Pop r1.
90  popped_r = cache.Pop();
91  ASSERT_TRUE(popped_r != nullptr);
92  CheckRecordEqual(r1, *popped_r);
93  // Pop r3.
94  popped_r = cache.Pop();
95  ASSERT_TRUE(popped_r != nullptr);
96  CheckRecordEqual(r3, *popped_r);
97  ASSERT_EQ(nullptr, cache.Pop());
98  // Pop r4.
99  std::vector<std::unique_ptr<Record>> last_records = cache.PopAll();
100  ASSERT_EQ(1u, last_records.size());
101  CheckRecordEqual(r4, *last_records[0]);
102}
103
104TEST_F(RecordTest, RecordCache_FIFO) {
105  event_attr.sample_id_all = 1;
106  event_attr.sample_type |= PERF_SAMPLE_TIME;
107  RecordCache cache(event_attr, 2, 2);
108  std::vector<MmapRecord> records;
109  for (size_t i = 0; i < 10; ++i) {
110    MmapRecord r = CreateMmapRecord(event_attr, true, 1, i, 0x100, 0x200, 0x300, "mmap_record1");
111    records.push_back(r);
112    std::vector<char> buf = r.BinaryFormat();
113    cache.Push(buf.data(), buf.size());
114  }
115  std::vector<std::unique_ptr<Record>> out_records = cache.PopAll();
116  ASSERT_EQ(records.size(), out_records.size());
117  for (size_t i = 0; i < records.size(); ++i) {
118    CheckRecordEqual(records[i], *out_records[i]);
119  }
120}
121