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1 /*
2  * Copyright (C) 2022 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 "perfetto/base/build_config.h"
18 
19 #if PERFETTO_BUILDFLAG(PERFETTO_OS_ANDROID)
20 
21 #include "perfetto/base/logging.h"
22 #include "perfetto/ext/base/file_utils.h"
23 #include "perfetto/ext/base/pipe.h"
24 #include "perfetto/ext/base/scoped_file.h"
25 #include "perfetto/ext/base/string_utils.h"
26 #include "perfetto/ext/base/utils.h"
27 #include "perfetto/ext/tracing/core/commit_data_request.h"
28 #include "perfetto/ext/tracing/core/trace_packet.h"
29 #include "perfetto/ext/tracing/core/tracing_service.h"
30 #include "perfetto/protozero/scattered_heap_buffer.h"
31 #include "src/base/test/test_task_runner.h"
32 #include "src/base/test/utils.h"
33 #include "test/gtest_and_gmock.h"
34 #include "test/test_helper.h"
35 
36 #include "protos/perfetto/config/power/android_power_config.pbzero.h"
37 #include "protos/perfetto/config/test_config.gen.h"
38 #include "protos/perfetto/config/trace_config.gen.h"
39 #include "protos/perfetto/trace/ftrace/ftrace.gen.h"
40 #include "protos/perfetto/trace/ftrace/ftrace_event.gen.h"
41 #include "protos/perfetto/trace/ftrace/ftrace_event_bundle.gen.h"
42 #include "protos/perfetto/trace/ftrace/ftrace_stats.gen.h"
43 #include "protos/perfetto/trace/perfetto/tracing_service_event.gen.h"
44 #include "protos/perfetto/trace/power/battery_counters.gen.h"
45 #include "protos/perfetto/trace/test_event.gen.h"
46 #include "protos/perfetto/trace/trace.gen.h"
47 #include "protos/perfetto/trace/trace_packet.gen.h"
48 #include "protos/perfetto/trace/trace_packet.pbzero.h"
49 #include "protos/perfetto/trace/trigger.gen.h"
50 
51 #include "protos/perfetto/common/sys_stats_counters.gen.h"
52 #include "protos/perfetto/config/sys_stats/sys_stats_config.gen.h"
53 #include "protos/perfetto/trace/sys_stats/sys_stats.gen.h"
54 
55 namespace perfetto {
56 
57 namespace {
58 
59 using ::testing::ContainsRegex;
60 using ::testing::Each;
61 using ::testing::ElementsAreArray;
62 using ::testing::HasSubstr;
63 using ::testing::Property;
64 using ::testing::SizeIs;
65 
66 }  // namespace
67 
TEST(PerfettoAndroidIntegrationTest,TestBatteryTracing)68 TEST(PerfettoAndroidIntegrationTest, TestBatteryTracing) {
69   base::TestTaskRunner task_runner;
70 
71   TestHelper helper(&task_runner);
72   helper.StartServiceIfRequired();
73 
74 #if PERFETTO_BUILDFLAG(PERFETTO_START_DAEMONS)
75   ProbesProducerThread probes(GetTestProducerSockName());
76   probes.Connect();
77 #endif
78 
79   helper.ConnectConsumer();
80   helper.WaitForConsumerConnect();
81 
82   TraceConfig trace_config;
83   trace_config.add_buffers()->set_size_kb(128);
84   trace_config.set_duration_ms(3000);
85 
86   auto* ds_config = trace_config.add_data_sources()->mutable_config();
87   ds_config->set_name("android.power");
88   ds_config->set_target_buffer(0);
89 
90   using protos::pbzero::AndroidPowerConfig;
91   protozero::HeapBuffered<AndroidPowerConfig> power_config;
92   power_config->set_battery_poll_ms(250);
93   power_config->add_battery_counters(
94       AndroidPowerConfig::BATTERY_COUNTER_CHARGE);
95   power_config->add_battery_counters(
96       AndroidPowerConfig::BATTERY_COUNTER_CAPACITY_PERCENT);
97   ds_config->set_android_power_config_raw(power_config.SerializeAsString());
98 
99   helper.StartTracing(trace_config);
100   helper.WaitForTracingDisabled();
101 
102   helper.ReadData();
103   helper.WaitForReadData();
104 
105   const auto& packets = helper.trace();
106   ASSERT_GT(packets.size(), 0u);
107 
108   bool has_battery_packet = false;
109   for (const auto& packet : packets) {
110     if (!packet.has_battery())
111       continue;
112     has_battery_packet = true;
113     // Unfortunately we cannot make any assertions on the charge counter.
114     // On some devices it can reach negative values (b/64685329).
115     EXPECT_GE(packet.battery().capacity_percent(), 0.f);
116     EXPECT_LE(packet.battery().capacity_percent(), 100.f);
117   }
118 
119   ASSERT_TRUE(has_battery_packet);
120 }
121 
122 }  // namespace perfetto
123 
124 #endif  // PERFETTO_OS_ANDROID
125