Introducing phased profiling framework

chrome/browser/task_profiler/task_profiler_data_serializer_unittest.cc

 // 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,
+    const tracked_objects::ProcessDataPhaseSnapshot& process_data_phase,
+    base::ProcessId process_id,
     int process_type,
     const std::string& expected_json) {
   base::DictionaryValue serialized_value;
   task_profiler::TaskProfilerDataSerializer::ToValue(
-      process_data, process_type, &serialized_value);
+      process_data_phase, process_id, 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;
+    tracked_objects::ProcessDataPhaseSnapshot process_data_phase;
     int process_type = content::PROCESS_TYPE_BROWSER;
-    ExpectSerialization(process_data, process_type,
+    ExpectSerialization(process_data_phase, 239, process_type,
                         "{"
-                          "\"descendants\":["
-                          "],"
-                          "\"list\":["
-                          "],"
-                          "\"process_id\":" + GetProcessIdString() + ","
-                          "\"process_type\":\"Browser\""
+                        "\"descendants\":["
+                        "],"
+                        "\"list\":["
+                        "],"
+                        "\"process_id\":239,"
+                        "\"process_type\":\"Browser\""
                         "}");
   }
 
   {
     // Non-empty data.
-    tracked_objects::ProcessDataSnapshot process_data;
+    tracked_objects::ProcessDataPhaseSnapshot process_data_phase;
 
     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";
+    process_data_phase.tasks.push_back(tracked_objects::TaskSnapshot());
+    process_data_phase.tasks.back().birth = parent;
+    process_data_phase.tasks.back().death_data.count = 37;
+    process_data_phase.tasks.back().death_data.run_duration_max = 5;
+    process_data_phase.tasks.back().death_data.run_duration_sample = 3;
+    process_data_phase.tasks.back().death_data.run_duration_sum = 17;
+    process_data_phase.tasks.back().death_data.queue_duration_max = 53;
+    process_data_phase.tasks.back().death_data.queue_duration_sample = 13;
+    process_data_phase.tasks.back().death_data.queue_duration_sum = 79;
+    process_data_phase.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";
+    process_data_phase.tasks.push_back(tracked_objects::TaskSnapshot());
+    process_data_phase.tasks.back().birth = child;
+    process_data_phase.tasks.back().death_data.count = 41;
+    process_data_phase.tasks.back().death_data.run_duration_max = 205;
+    process_data_phase.tasks.back().death_data.run_duration_sample = 203;
+    process_data_phase.tasks.back().death_data.run_duration_sum = 2017;
+    process_data_phase.tasks.back().death_data.queue_duration_max = 2053;
+    process_data_phase.tasks.back().death_data.queue_duration_sample = 2013;
+    process_data_phase.tasks.back().death_data.queue_duration_sum = 2079;
+    process_data_phase.tasks.back().death_thread_name = "PAC thread #3";
 
     // Add a parent-child pair.
-    process_data.descendants.push_back(
+    process_data_phase.descendants.push_back(
         tracked_objects::ParentChildPairSnapshot());
-    process_data.descendants.back().parent = parent;
-    process_data.descendants.back().child = child;
+    process_data_phase.descendants.back().parent = parent;
+    process_data_phase.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\""
+    ExpectSerialization(process_data_phase, 239, 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\":239,"
+                        "\"process_type\":\"Tab\""
                         "}");
   }
 }