1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
|
/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <unistd.h>
#include <chrono>
#include <condition_variable>
#include <functional>
#include <random>
#include <thread>
#include "gtest/gtest.h"
#include "perfetto/base/build_config.h"
#include "perfetto/base/logging.h"
#include "perfetto/traced/traced.h"
#include "perfetto/tracing/core/trace_config.h"
#include "perfetto/tracing/core/trace_packet.h"
#include "src/base/test/test_task_runner.h"
#include "src/tracing/ipc/default_socket.h"
#include "test/task_runner_thread.h"
#include "test/task_runner_thread_delegates.h"
#include "test/test_helper.h"
#include "perfetto/trace/trace_packet.pb.h"
#include "perfetto/trace/trace_packet.pbzero.h"
namespace perfetto {
// If we're building on Android and starting the daemons ourselves,
// create the sockets in a world-writable location.
#if PERFETTO_BUILDFLAG(PERFETTO_OS_ANDROID) && \
PERFETTO_BUILDFLAG(PERFETTO_START_DAEMONS)
#define TEST_PRODUCER_SOCK_NAME "/data/local/tmp/traced_producer"
#else
#define TEST_PRODUCER_SOCK_NAME ::perfetto::GetProducerSocket()
#endif
// TODO(b/73453011): reenable this on more platforms (including standalone
// Android).
#if PERFETTO_BUILDFLAG(PERFETTO_ANDROID_BUILD)
#define MAYBE_TestFtraceProducer TestFtraceProducer
#else
#define MAYBE_TestFtraceProducer DISABLED_TestFtraceProducer
#endif
TEST(PerfettoTest, MAYBE_TestFtraceProducer) {
base::TestTaskRunner task_runner;
TestHelper helper(&task_runner);
helper.StartServiceIfRequired();
#if PERFETTO_BUILDFLAG(PERFETTO_START_DAEMONS)
TaskRunnerThread producer_thread("perfetto.prd");
producer_thread.Start(std::unique_ptr<ProbesProducerDelegate>(
new ProbesProducerDelegate(TEST_PRODUCER_SOCK_NAME)));
#endif
helper.ConnectConsumer();
helper.WaitForConsumerConnect();
TraceConfig trace_config;
trace_config.add_buffers()->set_size_kb(1024);
trace_config.set_duration_ms(3000);
auto* ds_config = trace_config.add_data_sources()->mutable_config();
ds_config->set_name("linux.ftrace");
ds_config->set_target_buffer(0);
auto* ftrace_config = ds_config->mutable_ftrace_config();
*ftrace_config->add_ftrace_events() = "sched_switch";
*ftrace_config->add_ftrace_events() = "bar";
helper.StartTracing(trace_config);
helper.WaitForTracingDisabled();
helper.ReadData();
helper.WaitForReadData();
const auto& packets = helper.trace();
ASSERT_GT(packets.size(), 0u);
for (const auto& packet : packets) {
for (int ev = 0; ev < packet.ftrace_events().event_size(); ev++) {
ASSERT_TRUE(packet.ftrace_events().event(ev).has_sched_switch());
}
}
}
TEST(PerfettoTest, TestFakeProducer) {
base::TestTaskRunner task_runner;
TestHelper helper(&task_runner);
helper.StartServiceIfRequired();
helper.ConnectFakeProducer();
helper.ConnectConsumer();
helper.WaitForConsumerConnect();
TraceConfig trace_config;
trace_config.add_buffers()->set_size_kb(1024);
trace_config.set_duration_ms(200);
auto* ds_config = trace_config.add_data_sources()->mutable_config();
ds_config->set_name("android.perfetto.FakeProducer");
ds_config->set_target_buffer(0);
static constexpr size_t kNumPackets = 10;
static constexpr uint32_t kRandomSeed = 42;
static constexpr uint32_t kMsgSize = 1024;
ds_config->mutable_for_testing()->set_seed(kRandomSeed);
ds_config->mutable_for_testing()->set_message_count(kNumPackets);
ds_config->mutable_for_testing()->set_message_size(kMsgSize);
ds_config->mutable_for_testing()->set_send_batch_on_register(true);
helper.StartTracing(trace_config);
helper.WaitForTracingDisabled();
helper.ReadData();
helper.WaitForReadData();
const auto& packets = helper.trace();
ASSERT_EQ(packets.size(), kNumPackets);
std::minstd_rand0 rnd_engine(kRandomSeed);
for (const auto& packet : packets) {
ASSERT_TRUE(packet.has_for_testing());
ASSERT_EQ(packet.for_testing().seq_value(), rnd_engine());
}
}
TEST(PerfettoTest, VeryLargePackets) {
base::TestTaskRunner task_runner;
TestHelper helper(&task_runner);
helper.StartServiceIfRequired();
helper.ConnectFakeProducer();
helper.ConnectConsumer();
helper.WaitForConsumerConnect();
TraceConfig trace_config;
trace_config.add_buffers()->set_size_kb(4096 * 10);
trace_config.set_duration_ms(500);
auto* ds_config = trace_config.add_data_sources()->mutable_config();
ds_config->set_name("android.perfetto.FakeProducer");
ds_config->set_target_buffer(0);
static constexpr size_t kNumPackets = 5;
static constexpr uint32_t kRandomSeed = 42;
static constexpr uint32_t kMsgSize = 1024 * 1024 - 42;
ds_config->mutable_for_testing()->set_seed(kRandomSeed);
ds_config->mutable_for_testing()->set_message_count(kNumPackets);
ds_config->mutable_for_testing()->set_message_size(kMsgSize);
ds_config->mutable_for_testing()->set_send_batch_on_register(true);
helper.StartTracing(trace_config);
helper.WaitForTracingDisabled();
helper.ReadData();
helper.WaitForReadData();
const auto& packets = helper.trace();
ASSERT_EQ(packets.size(), kNumPackets);
std::minstd_rand0 rnd_engine(kRandomSeed);
for (const auto& packet : packets) {
ASSERT_TRUE(packet.has_for_testing());
ASSERT_EQ(packet.for_testing().seq_value(), rnd_engine());
size_t msg_size = packet.for_testing().str().size();
ASSERT_EQ(kMsgSize, msg_size);
for (size_t i = 0; i < msg_size; i++)
ASSERT_EQ(i < msg_size - 1 ? '.' : 0, packet.for_testing().str()[i]);
}
}
} // namespace perfetto
|
