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gerrit.omnirom.org / android_system_core / e18346d3d95b2f8a064e734139556e533a3dec43 / . / logd / ChattyLogBufferTest.cpp
blob: 2e0c9470a1e591d5c42d40292a045a01b2ba162f [file] [log] [blame]
Tom Cherrye18346d2020-05-21 12:13:20 -0700[diff] [blame^]1/*
2 * Copyright (C) 2020 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 "LogBufferTest.h"
18
19class ChattyLogBufferTest : public LogBufferTest {};
20
21TEST_P(ChattyLogBufferTest, deduplication_simple) {
22 auto make_message = [&](uint32_t sec, const char* tag, const char* msg,
23 bool regex = false) -> LogMessage {
24 logger_entry entry = {
25 .pid = 1, .tid = 1, .sec = sec, .nsec = 1, .lid = LOG_ID_MAIN, .uid = 0};
26 std::string message;
27 message.push_back(ANDROID_LOG_INFO);
28 message.append(tag);
29 message.push_back('\0');
30 message.append(msg);
31 message.push_back('\0');
32 return {entry, message, regex};
33 };
34
35 // clang-format off
36 std::vector<LogMessage> log_messages = {
37 make_message(0, "test_tag", "duplicate"),
38 make_message(1, "test_tag", "duplicate"),
39 make_message(2, "test_tag", "not_same"),
40 make_message(3, "test_tag", "duplicate"),
41 make_message(4, "test_tag", "duplicate"),
42 make_message(5, "test_tag", "not_same"),
43 make_message(6, "test_tag", "duplicate"),
44 make_message(7, "test_tag", "duplicate"),
45 make_message(8, "test_tag", "duplicate"),
46 make_message(9, "test_tag", "not_same"),
47 make_message(10, "test_tag", "duplicate"),
48 make_message(11, "test_tag", "duplicate"),
49 make_message(12, "test_tag", "duplicate"),
50 make_message(13, "test_tag", "duplicate"),
51 make_message(14, "test_tag", "duplicate"),
52 make_message(15, "test_tag", "duplicate"),
53 make_message(16, "test_tag", "not_same"),
54 make_message(100, "test_tag", "duplicate"),
55 make_message(200, "test_tag", "duplicate"),
56 make_message(300, "test_tag", "duplicate"),
57 };
58 // clang-format on
59 FixupMessages(&log_messages);
60 LogMessages(log_messages);
61
62 std::vector<LogMessage> read_log_messages;
63 std::unique_ptr<LogWriter> test_writer(new TestWriter(&read_log_messages, nullptr));
64 log_buffer_->FlushTo(test_writer.get(), 1, nullptr, nullptr);
65
66 std::vector<LogMessage> expected_log_messages = {
67 make_message(0, "test_tag", "duplicate"),
68 make_message(1, "test_tag", "duplicate"),
69 make_message(2, "test_tag", "not_same"),
70 make_message(3, "test_tag", "duplicate"),
71 make_message(4, "test_tag", "duplicate"),
72 make_message(5, "test_tag", "not_same"),
73 // 3 duplicate logs together print the first, a 1 count chatty message, then the last.
74 make_message(6, "test_tag", "duplicate"),
75 make_message(7, "chatty", "uid=0\\([^\\)]+\\) [^ ]+ expire 1 line", true),
76 make_message(8, "test_tag", "duplicate"),
77 make_message(9, "test_tag", "not_same"),
78 // 6 duplicate logs together print the first, a 4 count chatty message, then the last.
79 make_message(10, "test_tag", "duplicate"),
80 make_message(14, "chatty", "uid=0\\([^\\)]+\\) [^ ]+ expire 4 lines", true),
81 make_message(15, "test_tag", "duplicate"),
82 make_message(16, "test_tag", "not_same"),
83 // duplicate logs > 1 minute apart are not deduplicated.
84 make_message(100, "test_tag", "duplicate"),
85 make_message(200, "test_tag", "duplicate"),
86 make_message(300, "test_tag", "duplicate"),
87 };
88 FixupMessages(&expected_log_messages);
89 CompareLogMessages(expected_log_messages, read_log_messages);
90};
91
92TEST_P(ChattyLogBufferTest, deduplication_overflow) {
93 auto make_message = [&](uint32_t sec, const char* tag, const char* msg,
94 bool regex = false) -> LogMessage {
95 logger_entry entry = {
96 .pid = 1, .tid = 1, .sec = sec, .nsec = 1, .lid = LOG_ID_MAIN, .uid = 0};
97 std::string message;
98 message.push_back(ANDROID_LOG_INFO);
99 message.append(tag);
100 message.push_back('\0');
101 message.append(msg);
102 message.push_back('\0');
103 return {entry, message, regex};
104 };
105
106 uint32_t sec = 0;
107 std::vector<LogMessage> log_messages = {
108 make_message(sec++, "test_tag", "normal"),
109 };
110 size_t expired_per_chatty_message = std::numeric_limits<uint16_t>::max();
111 for (size_t i = 0; i < expired_per_chatty_message + 3; ++i) {
112 log_messages.emplace_back(make_message(sec++, "test_tag", "duplicate"));
113 }
114 log_messages.emplace_back(make_message(sec++, "test_tag", "normal"));
115 FixupMessages(&log_messages);
116 LogMessages(log_messages);
117
118 std::vector<LogMessage> read_log_messages;
119 std::unique_ptr<LogWriter> test_writer(new TestWriter(&read_log_messages, nullptr));
120 log_buffer_->FlushTo(test_writer.get(), 1, nullptr, nullptr);
121
122 std::vector<LogMessage> expected_log_messages = {
123 make_message(0, "test_tag", "normal"),
124 make_message(1, "test_tag", "duplicate"),
125 make_message(expired_per_chatty_message + 1, "chatty",
126 "uid=0\\([^\\)]+\\) [^ ]+ expire 65535 lines", true),
127 make_message(expired_per_chatty_message + 2, "chatty",
128 "uid=0\\([^\\)]+\\) [^ ]+ expire 1 line", true),
129 make_message(expired_per_chatty_message + 3, "test_tag", "duplicate"),
130 make_message(expired_per_chatty_message + 4, "test_tag", "normal"),
131 };
132 FixupMessages(&expected_log_messages);
133 CompareLogMessages(expected_log_messages, read_log_messages);
134}
135
136TEST_P(ChattyLogBufferTest, deduplication_liblog) {
137 auto make_message = [&](uint32_t sec, int32_t tag, int32_t count) -> LogMessage {
138 logger_entry entry = {
139 .pid = 1, .tid = 1, .sec = sec, .nsec = 1, .lid = LOG_ID_EVENTS, .uid = 0};
140 android_log_event_int_t liblog_event = {
141 .header.tag = tag, .payload.type = EVENT_TYPE_INT, .payload.data = count};
142 return {entry, std::string(reinterpret_cast<char*>(&liblog_event), sizeof(liblog_event)),
143 false};
144 };
145
146 // LIBLOG_LOG_TAG
147 std::vector<LogMessage> log_messages = {
148 make_message(0, 1234, 1),
149 make_message(1, LIBLOG_LOG_TAG, 3),
150 make_message(2, 1234, 2),
151 make_message(3, LIBLOG_LOG_TAG, 3),
152 make_message(4, LIBLOG_LOG_TAG, 4),
153 make_message(5, 1234, 223),
154 make_message(6, LIBLOG_LOG_TAG, 2),
155 make_message(7, LIBLOG_LOG_TAG, 3),
156 make_message(8, LIBLOG_LOG_TAG, 4),
157 make_message(9, 1234, 227),
158 make_message(10, LIBLOG_LOG_TAG, 1),
159 make_message(11, LIBLOG_LOG_TAG, 3),
160 make_message(12, LIBLOG_LOG_TAG, 2),
161 make_message(13, LIBLOG_LOG_TAG, 3),
162 make_message(14, LIBLOG_LOG_TAG, 5),
163 make_message(15, 1234, 227),
164 make_message(16, LIBLOG_LOG_TAG, 2),
165 make_message(17, LIBLOG_LOG_TAG, std::numeric_limits<int32_t>::max()),
166 make_message(18, LIBLOG_LOG_TAG, 3),
167 make_message(19, LIBLOG_LOG_TAG, 5),
168 make_message(20, 1234, 227),
169 };
170 FixupMessages(&log_messages);
171 LogMessages(log_messages);
172
173 std::vector<LogMessage> read_log_messages;
174 std::unique_ptr<LogWriter> test_writer(new TestWriter(&read_log_messages, nullptr));
175 log_buffer_->FlushTo(test_writer.get(), 1, nullptr, nullptr);
176
177 std::vector<LogMessage> expected_log_messages = {
178 make_message(0, 1234, 1),
179 make_message(1, LIBLOG_LOG_TAG, 3),
180 make_message(2, 1234, 2),
181 make_message(3, LIBLOG_LOG_TAG, 3),
182 make_message(4, LIBLOG_LOG_TAG, 4),
183 make_message(5, 1234, 223),
184 // More than 2 liblog events (3 here), sum their value into the third message.
185 make_message(6, LIBLOG_LOG_TAG, 2),
186 make_message(8, LIBLOG_LOG_TAG, 7),
187 make_message(9, 1234, 227),
188 // More than 2 liblog events (5 here), sum their value into the third message.
189 make_message(10, LIBLOG_LOG_TAG, 1),
190 make_message(14, LIBLOG_LOG_TAG, 13),
191 make_message(15, 1234, 227),
192 // int32_t max is the max for a chatty message, beyond that we must use new messages.
193 make_message(16, LIBLOG_LOG_TAG, 2),
194 make_message(17, LIBLOG_LOG_TAG, std::numeric_limits<int32_t>::max()),
195 make_message(19, LIBLOG_LOG_TAG, 8),
196 make_message(20, 1234, 227),
197 };
198 FixupMessages(&expected_log_messages);
199 CompareLogMessages(expected_log_messages, read_log_messages);
200};
201
202INSTANTIATE_TEST_CASE_P(ChattyLogBufferTests, ChattyLogBufferTest, testing::Values("chatty"));