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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include <string> |
| 6 |
| 7 #include "base/basictypes.h" |
| 8 #include "base/json/json_writer.h" |
| 9 #include "base/process_util.h" |
| 10 #include "base/string_number_conversions.h" |
| 11 #include "base/tracked_objects.h" |
| 12 #include "base/values.h" |
| 13 #include "chrome/browser/task_profiler/task_profiler_data_serializer.h" |
| 14 #include "content/public/common/process_type.h" |
| 15 #include "testing/gtest/include/gtest/gtest.h" |
| 16 |
| 17 namespace { |
| 18 |
| 19 std::string GetProcessIdString() { |
| 20 return base::IntToString(base::GetCurrentProcId()); |
| 21 } |
| 22 |
| 23 void ExpectSerialization( |
| 24 const tracked_objects::ProcessDataSnapshot& process_data, |
| 25 content::ProcessType process_type, |
| 26 const std::string& expected_json) { |
| 27 base::DictionaryValue serialized_value; |
| 28 task_profiler::TaskProfilerDataSerializer::ToValue( |
| 29 process_data, process_type, &serialized_value); |
| 30 |
| 31 std::string serialized_json; |
| 32 base::JSONWriter::Write(&serialized_value, &serialized_json); |
| 33 |
| 34 EXPECT_EQ(expected_json, serialized_json); |
| 35 } |
| 36 |
| 37 } // anonymous namespace |
| 38 |
| 39 // Tests the JSON serialization format for profiled process data. |
| 40 TEST(TaskProfilerDataSerializerTest, SerializeProcessDataToJson) { |
| 41 { |
| 42 // Empty data. |
| 43 tracked_objects::ProcessDataSnapshot process_data; |
| 44 content::ProcessType process_type = content::PROCESS_TYPE_BROWSER; |
| 45 ExpectSerialization(process_data, process_type, |
| 46 "{" |
| 47 "\"descendants\":[" |
| 48 "]," |
| 49 "\"list\":[" |
| 50 "]," |
| 51 "\"process_id\":" + GetProcessIdString() + "," |
| 52 "\"process_type\":\"Browser\"" |
| 53 "}"); |
| 54 } |
| 55 |
| 56 { |
| 57 // Non-empty data. |
| 58 tracked_objects::ProcessDataSnapshot process_data; |
| 59 |
| 60 tracked_objects::BirthOnThreadSnapshot parent; |
| 61 parent.location.file_name = "path/to/foo.cc"; |
| 62 parent.location.function_name = "WhizBang"; |
| 63 parent.location.line_number = 101; |
| 64 parent.thread_name = "CrBrowserMain"; |
| 65 |
| 66 tracked_objects::BirthOnThreadSnapshot child; |
| 67 child.location.file_name = "path/to/bar.cc"; |
| 68 child.location.function_name = "FizzBoom"; |
| 69 child.location.line_number = 433; |
| 70 child.thread_name = "Chrome_IOThread"; |
| 71 |
| 72 |
| 73 // Add a snapshot. |
| 74 process_data.tasks.push_back(tracked_objects::TaskSnapshot()); |
| 75 process_data.tasks.back().birth = parent; |
| 76 process_data.tasks.back().death_data.count = 37; |
| 77 process_data.tasks.back().death_data.run_duration_max = 5; |
| 78 process_data.tasks.back().death_data.run_duration_sample = 3; |
| 79 process_data.tasks.back().death_data.run_duration_sum = 17; |
| 80 process_data.tasks.back().death_data.queue_duration_max = 53; |
| 81 process_data.tasks.back().death_data.queue_duration_sample = 13; |
| 82 process_data.tasks.back().death_data.queue_duration_sum = 79; |
| 83 process_data.tasks.back().death_thread_name = "WorkerPool/-1340960768"; |
| 84 |
| 85 // Add a second snapshot. |
| 86 process_data.tasks.push_back(tracked_objects::TaskSnapshot()); |
| 87 process_data.tasks.back().birth = child; |
| 88 process_data.tasks.back().death_data.count = 41; |
| 89 process_data.tasks.back().death_data.run_duration_max = 205; |
| 90 process_data.tasks.back().death_data.run_duration_sample = 203; |
| 91 process_data.tasks.back().death_data.run_duration_sum = 2017; |
| 92 process_data.tasks.back().death_data.queue_duration_max = 2053; |
| 93 process_data.tasks.back().death_data.queue_duration_sample = 2013; |
| 94 process_data.tasks.back().death_data.queue_duration_sum = 2079; |
| 95 process_data.tasks.back().death_thread_name = "PAC thread #3"; |
| 96 |
| 97 // Add a parent-child pair. |
| 98 process_data.descendants.push_back( |
| 99 tracked_objects::ParentChildPairSnapshot()); |
| 100 process_data.descendants.back().parent = parent; |
| 101 process_data.descendants.back().child = child; |
| 102 |
| 103 content::ProcessType process_type = content::PROCESS_TYPE_RENDERER; |
| 104 ExpectSerialization(process_data, process_type, |
| 105 "{" |
| 106 "\"descendants\":[" |
| 107 "{" |
| 108 "\"child_location\":{" |
| 109 "\"file_name\":\"path/to/bar.cc\"," |
| 110 "\"function_name\":\"FizzBoom\"," |
| 111 "\"line_number\":433" |
| 112 "}," |
| 113 "\"child_thread\":\"Chrome_IOThread\"," |
| 114 "\"parent_location\":{" |
| 115 "\"file_name\":\"path/to/foo.cc\"," |
| 116 "\"function_name\":\"WhizBang\"," |
| 117 "\"line_number\":101" |
| 118 "}," |
| 119 "\"parent_thread\":\"CrBrowserMain\"" |
| 120 "}" |
| 121 "]," |
| 122 "\"list\":[{" |
| 123 "\"birth_location\":{" |
| 124 "\"file_name\":\"path/to/foo.cc\"," |
| 125 "\"function_name\":\"WhizBang\"," |
| 126 "\"line_number\":101" |
| 127 "}," |
| 128 "\"birth_thread\":\"CrBrowserMain\"," |
| 129 "\"death_data\":{" |
| 130 "\"count\":37," |
| 131 "\"queue_ms\":79," |
| 132 "\"queue_ms_max\":53," |
| 133 "\"queue_ms_sample\":13," |
| 134 "\"run_ms\":17," |
| 135 "\"run_ms_max\":5," |
| 136 "\"run_ms_sample\":3" |
| 137 "}," |
| 138 "\"death_thread\":\"WorkerPool/-1340960768\"" |
| 139 "},{" |
| 140 "\"birth_location\":{" |
| 141 "\"file_name\":\"path/to/bar.cc\"," |
| 142 "\"function_name\":\"FizzBoom\"," |
| 143 "\"line_number\":433" |
| 144 "}," |
| 145 "\"birth_thread\":\"Chrome_IOThread\"," |
| 146 "\"death_data\":{" |
| 147 "\"count\":41," |
| 148 "\"queue_ms\":2079," |
| 149 "\"queue_ms_max\":2053," |
| 150 "\"queue_ms_sample\":2013," |
| 151 "\"run_ms\":2017," |
| 152 "\"run_ms_max\":205," |
| 153 "\"run_ms_sample\":203" |
| 154 "}," |
| 155 "\"death_thread\":\"PAC thread #3\"" |
| 156 "}]," |
| 157 "\"process_id\":" + GetProcessIdString() + "," |
| 158 "\"process_type\":\"Tab\"" |
| 159 "}"); |
| 160 } |
| 161 } |
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