Introduce ProfilerMetricsProvider

chrome/browser/metrics/profiler_metrics_provider_unittest.cc

+// Copyright 2014 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 "chrome/browser/metrics/profiler_metrics_provider.h"
+
+#include "base/tracked_objects.h"
+#include "components/metrics/metrics_hashes.h"
+#include "content/public/common/process_type.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+using metrics::ProfilerEventProto;
+using tracked_objects::ProcessDataSnapshot;
+using tracked_objects::TaskSnapshot;
+
+class ProfilerMetricsProviderTest : public testing::Test {

[Alexei Svitkine (slow), 2014/06/02 15:17:06]

Nit: Remove this and just change the TEST_F's below to TEST's.

[blundell, 2014/06/02 19:56:44]

Done.

+ public:
+  ProfilerMetricsProviderTest() {}
+
+  virtual ~ProfilerMetricsProviderTest() {}
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ProfilerMetricsProviderTest);
+};
+
+// Test that we properly write profiler data.
+TEST_F(ProfilerMetricsProviderTest, RecordProfilerData) {
+  // WARNING: If you broke the below check, you've modified how
+  // metrics::HashMetricName works. Please also modify all server-side code that
+  // relies on the existing way of hashing.
+  EXPECT_EQ(GG_UINT64_C(1518842999910132863),
+            metrics::HashMetricName("birth_thread*"));
+
+  ProfilerMetricsProvider profiler_metrics_provider;
+  metrics::ChromeUserMetricsExtension uma_proto;
+
+  {
+    ProcessDataSnapshot process_data;
+    process_data.process_id = 177;
+    process_data.tasks.push_back(TaskSnapshot());
+    process_data.tasks.back().birth.location.file_name = "a/b/file.h";
+    process_data.tasks.back().birth.location.function_name = "function";
+    process_data.tasks.back().birth.location.line_number = 1337;
+    process_data.tasks.back().birth.thread_name = "birth_thread";
+    process_data.tasks.back().death_data.count = 37;
+    process_data.tasks.back().death_data.run_duration_sum = 31;
+    process_data.tasks.back().death_data.run_duration_max = 17;
+    process_data.tasks.back().death_data.run_duration_sample = 13;
+    process_data.tasks.back().death_data.queue_duration_sum = 8;
+    process_data.tasks.back().death_data.queue_duration_max = 5;
+    process_data.tasks.back().death_data.queue_duration_sample = 3;
+    process_data.tasks.back().death_thread_name = "Still_Alive";
+    process_data.tasks.push_back(TaskSnapshot());
+    process_data.tasks.back().birth.location.file_name = "c\\d\\file2";
+    process_data.tasks.back().birth.location.function_name = "function2";
+    process_data.tasks.back().birth.location.line_number = 1773;
+    process_data.tasks.back().birth.thread_name = "birth_thread2";
+    process_data.tasks.back().death_data.count = 19;
+    process_data.tasks.back().death_data.run_duration_sum = 23;
+    process_data.tasks.back().death_data.run_duration_max = 11;
+    process_data.tasks.back().death_data.run_duration_sample = 7;
+    process_data.tasks.back().death_data.queue_duration_sum = 0;
+    process_data.tasks.back().death_data.queue_duration_max = 0;
+    process_data.tasks.back().death_data.queue_duration_sample = 0;
+    process_data.tasks.back().death_thread_name = "death_thread";
+
+    profiler_metrics_provider.RecordProfilerData(process_data,
+                                                 content::PROCESS_TYPE_BROWSER);
+    profiler_metrics_provider.ProvideGeneralMetrics(&uma_proto);
+    ASSERT_EQ(1, uma_proto.profiler_event_size());
+    EXPECT_EQ(ProfilerEventProto::STARTUP_PROFILE,
+              uma_proto.profiler_event(0).profile_type());
+    EXPECT_EQ(ProfilerEventProto::WALL_CLOCK_TIME,
+              uma_proto.profiler_event(0).time_source());
+
+    ASSERT_EQ(2, uma_proto.profiler_event(0).tracked_object_size());
+
+    const ProfilerEventProto::TrackedObject* tracked_object =
+        &uma_proto.profiler_event(0).tracked_object(0);
+    EXPECT_EQ(metrics::HashMetricName("file.h"),
+              tracked_object->source_file_name_hash());
+    EXPECT_EQ(metrics::HashMetricName("function"),
+              tracked_object->source_function_name_hash());
+    EXPECT_EQ(1337, tracked_object->source_line_number());
+    EXPECT_EQ(metrics::HashMetricName("birth_thread"),
+              tracked_object->birth_thread_name_hash());
+    EXPECT_EQ(37, tracked_object->exec_count());
+    EXPECT_EQ(31, tracked_object->exec_time_total());
+    EXPECT_EQ(13, tracked_object->exec_time_sampled());
+    EXPECT_EQ(8, tracked_object->queue_time_total());
+    EXPECT_EQ(3, tracked_object->queue_time_sampled());
+    EXPECT_EQ(metrics::HashMetricName("Still_Alive"),
+              tracked_object->exec_thread_name_hash());
+    EXPECT_EQ(177U, tracked_object->process_id());
+    EXPECT_EQ(ProfilerEventProto::TrackedObject::BROWSER,
+              tracked_object->process_type());
+
+    tracked_object = &uma_proto.profiler_event(0).tracked_object(1);
+    EXPECT_EQ(metrics::HashMetricName("file2"),
+              tracked_object->source_file_name_hash());
+    EXPECT_EQ(metrics::HashMetricName("function2"),
+              tracked_object->source_function_name_hash());
+    EXPECT_EQ(1773, tracked_object->source_line_number());
+    EXPECT_EQ(metrics::HashMetricName("birth_thread*"),
+              tracked_object->birth_thread_name_hash());
+    EXPECT_EQ(19, tracked_object->exec_count());
+    EXPECT_EQ(23, tracked_object->exec_time_total());
+    EXPECT_EQ(7, tracked_object->exec_time_sampled());
+    EXPECT_EQ(0, tracked_object->queue_time_total());
+    EXPECT_EQ(0, tracked_object->queue_time_sampled());
+    EXPECT_EQ(metrics::HashMetricName("death_thread"),
+              tracked_object->exec_thread_name_hash());
+    EXPECT_EQ(177U, tracked_object->process_id());
+    EXPECT_EQ(ProfilerEventProto::TrackedObject::BROWSER,
+              tracked_object->process_type());
+  }
+
+  {
+    ProcessDataSnapshot process_data;
+    process_data.process_id = 1177;
+    process_data.tasks.push_back(TaskSnapshot());
+    process_data.tasks.back().birth.location.file_name = "file3";
+    process_data.tasks.back().birth.location.function_name = "function3";
+    process_data.tasks.back().birth.location.line_number = 7331;
+    process_data.tasks.back().birth.thread_name = "birth_thread3";
+    process_data.tasks.back().death_data.count = 137;
+    process_data.tasks.back().death_data.run_duration_sum = 131;
+    process_data.tasks.back().death_data.run_duration_max = 117;
+    process_data.tasks.back().death_data.run_duration_sample = 113;
+    process_data.tasks.back().death_data.queue_duration_sum = 108;
+    process_data.tasks.back().death_data.queue_duration_max = 105;
+    process_data.tasks.back().death_data.queue_duration_sample = 103;
+    process_data.tasks.back().death_thread_name = "death_thread3";
+    process_data.tasks.push_back(TaskSnapshot());
+    process_data.tasks.back().birth.location.file_name = "";
+    process_data.tasks.back().birth.location.function_name = "";
+    process_data.tasks.back().birth.location.line_number = 7332;
+    process_data.tasks.back().birth.thread_name = "";
+    process_data.tasks.back().death_data.count = 138;
+    process_data.tasks.back().death_data.run_duration_sum = 132;
+    process_data.tasks.back().death_data.run_duration_max = 118;
+    process_data.tasks.back().death_data.run_duration_sample = 114;
+    process_data.tasks.back().death_data.queue_duration_sum = 109;
+    process_data.tasks.back().death_data.queue_duration_max = 106;
+    process_data.tasks.back().death_data.queue_duration_sample = 104;
+    process_data.tasks.back().death_thread_name = "";
+
+    profiler_metrics_provider.RecordProfilerData(
+        process_data, content::PROCESS_TYPE_RENDERER);
+    profiler_metrics_provider.ProvideGeneralMetrics(&uma_proto);
+    ASSERT_EQ(1, uma_proto.profiler_event_size());
+    EXPECT_EQ(ProfilerEventProto::STARTUP_PROFILE,
+              uma_proto.profiler_event(0).profile_type());
+    EXPECT_EQ(ProfilerEventProto::WALL_CLOCK_TIME,
+              uma_proto.profiler_event(0).time_source());
+    ASSERT_EQ(4, uma_proto.profiler_event(0).tracked_object_size());
+
+    const ProfilerEventProto::TrackedObject* tracked_object =
+        &uma_proto.profiler_event(0).tracked_object(2);
+    EXPECT_EQ(metrics::HashMetricName("file3"),
+              tracked_object->source_file_name_hash());
+    EXPECT_EQ(metrics::HashMetricName("function3"),
+              tracked_object->source_function_name_hash());
+    EXPECT_EQ(7331, tracked_object->source_line_number());
+    EXPECT_EQ(metrics::HashMetricName("birth_thread*"),
+              tracked_object->birth_thread_name_hash());
+    EXPECT_EQ(137, tracked_object->exec_count());
+    EXPECT_EQ(131, tracked_object->exec_time_total());
+    EXPECT_EQ(113, tracked_object->exec_time_sampled());
+    EXPECT_EQ(108, tracked_object->queue_time_total());
+    EXPECT_EQ(103, tracked_object->queue_time_sampled());
+    EXPECT_EQ(metrics::HashMetricName("death_thread*"),
+              tracked_object->exec_thread_name_hash());
+    EXPECT_EQ(1177U, tracked_object->process_id());
+    EXPECT_EQ(ProfilerEventProto::TrackedObject::RENDERER,
+              tracked_object->process_type());
+
+    tracked_object = &uma_proto.profiler_event(0).tracked_object(3);
+    EXPECT_EQ(metrics::HashMetricName(""),
+              tracked_object->source_file_name_hash());
+    EXPECT_EQ(metrics::HashMetricName(""),
+              tracked_object->source_function_name_hash());
+    EXPECT_EQ(7332, tracked_object->source_line_number());
+    EXPECT_EQ(metrics::HashMetricName(""),
+              tracked_object->birth_thread_name_hash());
+    EXPECT_EQ(138, tracked_object->exec_count());
+    EXPECT_EQ(132, tracked_object->exec_time_total());
+    EXPECT_EQ(114, tracked_object->exec_time_sampled());
+    EXPECT_EQ(109, tracked_object->queue_time_total());
+    EXPECT_EQ(104, tracked_object->queue_time_sampled());
+    EXPECT_EQ(metrics::HashMetricName(""),
+              tracked_object->exec_thread_name_hash());
+    EXPECT_EQ(ProfilerEventProto::TrackedObject::RENDERER,
+              tracked_object->process_type());
+  }
+}