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 
24 class RecordTest : public ::testing::Test {
25  protected:
SetUp()26   virtual void SetUp() {
27     const EventType* type = FindEventTypeByName("cpu-cycles");
28     ASSERT_TRUE(type != nullptr);
29     event_attr = CreateDefaultPerfEventAttr(*type);
30     event_attr.sample_id_all = 1;
31   }
32 
CheckRecordMatchBinary(const Record & record)33   void CheckRecordMatchBinary(const Record& record) {
34     const char* p = record.Binary();
35     std::vector<std::unique_ptr<Record>> records =
36         ReadRecordsFromBuffer(event_attr, p, record.size());
37     ASSERT_EQ(1u, records.size());
38     CheckRecordEqual(record, *records[0]);
39   }
40 
41   perf_event_attr event_attr;
42 };
43 
TEST_F(RecordTest,MmapRecordMatchBinary)44 TEST_F(RecordTest, MmapRecordMatchBinary) {
45   MmapRecord record(event_attr, true, 1, 2, 0x1000, 0x2000, 0x3000,
46                     "MmapRecord", 0);
47   CheckRecordMatchBinary(record);
48 }
49 
TEST_F(RecordTest,CommRecordMatchBinary)50 TEST_F(RecordTest, CommRecordMatchBinary) {
51   CommRecord record(event_attr, 1, 2, "CommRecord", 0, 7);
52   CheckRecordMatchBinary(record);
53 }
54 
TEST_F(RecordTest,SampleRecordMatchBinary)55 TEST_F(RecordTest, SampleRecordMatchBinary) {
56   event_attr.sample_type = PERF_SAMPLE_IP | PERF_SAMPLE_TID | PERF_SAMPLE_TIME
57                            | PERF_SAMPLE_ID | PERF_SAMPLE_CPU
58                            | PERF_SAMPLE_PERIOD | PERF_SAMPLE_CALLCHAIN;
59   SampleRecord record(event_attr, 1, 2, 3, 4, 5, 6, 7, {8, 9, 10});
60   CheckRecordMatchBinary(record);
61 }
62 
TEST_F(RecordTest,RecordCache_smoke)63 TEST_F(RecordTest, RecordCache_smoke) {
64   event_attr.sample_id_all = 1;
65   event_attr.sample_type |= PERF_SAMPLE_TIME;
66   RecordCache cache(true, 2, 2);
67 
68   // Push r1.
69   MmapRecord* r1 = new MmapRecord(event_attr, true, 1, 1, 0x100, 0x200, 0x300,
70                                   "mmap_record1", 0, 3);
71   cache.Push(std::unique_ptr<Record>(r1));
72   ASSERT_EQ(nullptr, cache.Pop());
73 
74   // Push r2.
75   MmapRecord* r2 = new MmapRecord(event_attr, true, 1, 1, 0x100, 0x200, 0x300,
76                                   "mmap_record1", 0, 1);
77   cache.Push(std::unique_ptr<Record>(r2));
78   // Pop r2.
79   std::unique_ptr<Record> popped_r = cache.Pop();
80   ASSERT_TRUE(popped_r != nullptr);
81   ASSERT_EQ(r2, popped_r.get());
82   ASSERT_EQ(nullptr, cache.Pop());
83 
84   // Push r3.
85   MmapRecord* r3 = new MmapRecord(event_attr, true, 1, 1, 0x100, 0x200, 0x300,
86                                   "mmap_record1", 0, 4);
87   cache.Push(std::unique_ptr<Record>(r3));
88   ASSERT_EQ(nullptr, cache.Pop());
89 
90   // Push r4.
91   MmapRecord* r4 = new MmapRecord(event_attr, true, 1, 1, 0x100, 0x200, 0x300,
92                                   "mmap_record1", 0, 6);
93   cache.Push(std::unique_ptr<Record>(r4));
94   // Pop r1.
95   popped_r = cache.Pop();
96   ASSERT_TRUE(popped_r != nullptr);
97   ASSERT_EQ(r1, popped_r.get());
98   // Pop r3.
99   popped_r = cache.Pop();
100   ASSERT_TRUE(popped_r != nullptr);
101   ASSERT_EQ(r3, popped_r.get());
102   ASSERT_EQ(nullptr, cache.Pop());
103   // Pop r4.
104   std::vector<std::unique_ptr<Record>> last_records = cache.PopAll();
105   ASSERT_EQ(1u, last_records.size());
106   ASSERT_EQ(r4, last_records[0].get());
107 }
108 
TEST_F(RecordTest,RecordCache_FIFO)109 TEST_F(RecordTest, RecordCache_FIFO) {
110   event_attr.sample_id_all = 1;
111   event_attr.sample_type |= PERF_SAMPLE_TIME;
112   RecordCache cache(true, 2, 2);
113   std::vector<MmapRecord*> records;
114   for (size_t i = 0; i < 10; ++i) {
115     records.push_back(new MmapRecord(event_attr, true, 1, i, 0x100, 0x200,
116                                      0x300, "mmap_record1", 0));
117     cache.Push(std::unique_ptr<Record>(records.back()));
118   }
119   std::vector<std::unique_ptr<Record>> out_records = cache.PopAll();
120   ASSERT_EQ(records.size(), out_records.size());
121   for (size_t i = 0; i < records.size(); ++i) {
122     ASSERT_EQ(records[i], out_records[i].get());
123   }
124 }
125 
TEST_F(RecordTest,RecordCache_PushRecordVector)126 TEST_F(RecordTest, RecordCache_PushRecordVector) {
127   event_attr.sample_id_all = 1;
128   event_attr.sample_type |= PERF_SAMPLE_TIME;
129   RecordCache cache(true, 2, 2);
130   MmapRecord* r1 = new MmapRecord(event_attr, true, 1, 1, 0x100, 0x200, 0x300,
131                                   "mmap_record1", 0, 1);
132   MmapRecord* r2 = new MmapRecord(event_attr, true, 1, 1, 0x100, 0x200, 0x300,
133                                   "mmap_record1", 0, 3);
134   std::vector<std::unique_ptr<Record>> records;
135   records.push_back(std::unique_ptr<Record>(r1));
136   records.push_back(std::unique_ptr<Record>(r2));
137   cache.Push(std::move(records));
138   std::unique_ptr<Record> popped_r = cache.Pop();
139   ASSERT_TRUE(popped_r != nullptr);
140   ASSERT_EQ(r1, popped_r.get());
141   std::vector<std::unique_ptr<Record>> last_records = cache.PopAll();
142   ASSERT_EQ(1u, last_records.size());
143   ASSERT_EQ(r2, last_records[0].get());
144 }
145