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/process_handle.h" 10 #include "base/strings/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 int 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 int 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 int 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 } 162
