| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <string> |
| |
| #include "base/basictypes.h" |
| #include "base/json/json_writer.h" |
| #include "base/process/process_handle.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "base/tracked_objects.h" |
| #include "base/values.h" |
| #include "chrome/browser/task_profiler/task_profiler_data_serializer.h" |
| #include "content/public/common/process_type.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace { |
| |
| std::string GetProcessIdString() { |
| return base::IntToString(base::GetCurrentProcId()); |
| } |
| |
| void ExpectSerialization( |
| const tracked_objects::ProcessDataSnapshot& process_data, |
| int process_type, |
| const std::string& expected_json) { |
| base::DictionaryValue serialized_value; |
| task_profiler::TaskProfilerDataSerializer::ToValue( |
| process_data, process_type, &serialized_value); |
| |
| std::string serialized_json; |
| base::JSONWriter::Write(&serialized_value, &serialized_json); |
| |
| EXPECT_EQ(expected_json, serialized_json); |
| } |
| |
| } // anonymous namespace |
| |
| // Tests the JSON serialization format for profiled process data. |
| TEST(TaskProfilerDataSerializerTest, SerializeProcessDataToJson) { |
| { |
| // Empty data. |
| tracked_objects::ProcessDataSnapshot process_data; |
| int process_type = content::PROCESS_TYPE_BROWSER; |
| ExpectSerialization(process_data, process_type, |
| "{" |
| "\"descendants\":[" |
| "]," |
| "\"list\":[" |
| "]," |
| "\"process_id\":" + GetProcessIdString() + "," |
| "\"process_type\":\"Browser\"" |
| "}"); |
| } |
| |
| { |
| // Non-empty data. |
| tracked_objects::ProcessDataSnapshot process_data; |
| |
| tracked_objects::BirthOnThreadSnapshot parent; |
| parent.location.file_name = "path/to/foo.cc"; |
| parent.location.function_name = "WhizBang"; |
| parent.location.line_number = 101; |
| parent.thread_name = "CrBrowserMain"; |
| |
| tracked_objects::BirthOnThreadSnapshot child; |
| child.location.file_name = "path/to/bar.cc"; |
| child.location.function_name = "FizzBoom"; |
| child.location.line_number = 433; |
| child.thread_name = "Chrome_IOThread"; |
| |
| |
| // Add a snapshot. |
| process_data.tasks.push_back(tracked_objects::TaskSnapshot()); |
| process_data.tasks.back().birth = parent; |
| process_data.tasks.back().death_data.count = 37; |
| process_data.tasks.back().death_data.run_duration_max = 5; |
| process_data.tasks.back().death_data.run_duration_sample = 3; |
| process_data.tasks.back().death_data.run_duration_sum = 17; |
| process_data.tasks.back().death_data.queue_duration_max = 53; |
| process_data.tasks.back().death_data.queue_duration_sample = 13; |
| process_data.tasks.back().death_data.queue_duration_sum = 79; |
| process_data.tasks.back().death_thread_name = "WorkerPool/-1340960768"; |
| |
| // Add a second snapshot. |
| process_data.tasks.push_back(tracked_objects::TaskSnapshot()); |
| process_data.tasks.back().birth = child; |
| process_data.tasks.back().death_data.count = 41; |
| process_data.tasks.back().death_data.run_duration_max = 205; |
| process_data.tasks.back().death_data.run_duration_sample = 203; |
| process_data.tasks.back().death_data.run_duration_sum = 2017; |
| process_data.tasks.back().death_data.queue_duration_max = 2053; |
| process_data.tasks.back().death_data.queue_duration_sample = 2013; |
| process_data.tasks.back().death_data.queue_duration_sum = 2079; |
| process_data.tasks.back().death_thread_name = "PAC thread #3"; |
| |
| // Add a parent-child pair. |
| process_data.descendants.push_back( |
| tracked_objects::ParentChildPairSnapshot()); |
| process_data.descendants.back().parent = parent; |
| process_data.descendants.back().child = child; |
| |
| int process_type = content::PROCESS_TYPE_RENDERER; |
| ExpectSerialization(process_data, process_type, |
| "{" |
| "\"descendants\":[" |
| "{" |
| "\"child_location\":{" |
| "\"file_name\":\"path/to/bar.cc\"," |
| "\"function_name\":\"FizzBoom\"," |
| "\"line_number\":433" |
| "}," |
| "\"child_thread\":\"Chrome_IOThread\"," |
| "\"parent_location\":{" |
| "\"file_name\":\"path/to/foo.cc\"," |
| "\"function_name\":\"WhizBang\"," |
| "\"line_number\":101" |
| "}," |
| "\"parent_thread\":\"CrBrowserMain\"" |
| "}" |
| "]," |
| "\"list\":[{" |
| "\"birth_location\":{" |
| "\"file_name\":\"path/to/foo.cc\"," |
| "\"function_name\":\"WhizBang\"," |
| "\"line_number\":101" |
| "}," |
| "\"birth_thread\":\"CrBrowserMain\"," |
| "\"death_data\":{" |
| "\"count\":37," |
| "\"queue_ms\":79," |
| "\"queue_ms_max\":53," |
| "\"queue_ms_sample\":13," |
| "\"run_ms\":17," |
| "\"run_ms_max\":5," |
| "\"run_ms_sample\":3" |
| "}," |
| "\"death_thread\":\"WorkerPool/-1340960768\"" |
| "},{" |
| "\"birth_location\":{" |
| "\"file_name\":\"path/to/bar.cc\"," |
| "\"function_name\":\"FizzBoom\"," |
| "\"line_number\":433" |
| "}," |
| "\"birth_thread\":\"Chrome_IOThread\"," |
| "\"death_data\":{" |
| "\"count\":41," |
| "\"queue_ms\":2079," |
| "\"queue_ms_max\":2053," |
| "\"queue_ms_sample\":2013," |
| "\"run_ms\":2017," |
| "\"run_ms_max\":205," |
| "\"run_ms_sample\":203" |
| "}," |
| "\"death_thread\":\"PAC thread #3\"" |
| "}]," |
| "\"process_id\":" + GetProcessIdString() + "," |
| "\"process_type\":\"Tab\"" |
| "}"); |
| } |
| } |