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 <algorithm> 6 #include <string> 7 #include <vector> 8 9 #include "base/files/file_path.h" 10 #include "base/files/scoped_temp_dir.h" 11 #include "base/memory/scoped_ptr.h" 12 #include "base/time/time.h" 13 #include "chrome/browser/performance_monitor/database.h" 14 #include "chrome/browser/performance_monitor/key_builder.h" 15 #include "chrome/browser/performance_monitor/metric.h" 16 #include "chrome/browser/performance_monitor/performance_monitor_util.h" 17 #include "extensions/common/extension.h" 18 #include "extensions/common/manifest.h" 19 #include "testing/gtest/include/gtest/gtest.h" 20 #include "third_party/leveldatabase/src/include/leveldb/db.h" 21 #include "third_party/leveldatabase/src/include/leveldb/iterator.h" 22 23 using extensions::Extension; 24 using extensions::Manifest; 25 26 namespace performance_monitor { 27 28 // A class which is friended by Database, in order to hold the private methods 29 // and avoid friending all the different test classes. 30 class DatabaseTestHelper { 31 public: 32 explicit DatabaseTestHelper(Database* database) : database_(database) { } 33 ~DatabaseTestHelper() { } 34 35 bool Close() { return database_->Close(); } 36 37 // Override the check for a metric's validity and insert it in the database. 38 // Note: This does not do extraneous updates, like updating the recent_db or 39 // the max_value_map. 40 bool AddInvalidMetric(std::string activity, Metric metric) { 41 std::string metric_key = 42 database_->key_builder_->CreateMetricKey(database_->clock_->GetTime(), 43 metric.type, 44 activity); 45 leveldb::Status status = 46 database_->metric_db_->Put(database_->write_options_, 47 metric_key, 48 metric.ValueAsString()); 49 return status.ok(); 50 } 51 52 // Writes an invalid event to the database; since events are stored as JSON 53 // strings, this is equivalent to writing a garbage string. 54 bool AddInvalidEvent(base::Time time, EventType type) { 55 std::string key = database_->key_builder_->CreateEventKey(time, type); 56 leveldb::Status status = 57 database_->event_db_->Put(database_->write_options_, key, "fake_event"); 58 return status.ok(); 59 } 60 61 size_t GetNumberOfMetricEntries() { 62 return GetNumberOfEntries(database_->metric_db_.get()); 63 } 64 size_t GetNumberOfEventEntries() { 65 return GetNumberOfEntries(database_->event_db_.get()); 66 } 67 68 private: 69 // Returns the number of entries in a given database. 70 size_t GetNumberOfEntries(leveldb::DB* level_db) { 71 size_t number_of_entries = 0; 72 scoped_ptr<leveldb::Iterator> iter( 73 level_db->NewIterator(database_->read_options_)); 74 for (iter->SeekToFirst(); iter->Valid(); iter->Next()) 75 ++number_of_entries; 76 return number_of_entries; 77 } 78 79 Database* database_; 80 }; 81 82 // A clock that increments every access. Great for testing. 83 class TestingClock : public Database::Clock { 84 public: 85 TestingClock() 86 : counter_(0) { 87 } 88 explicit TestingClock(const TestingClock& other) 89 : counter_(other.counter_) { 90 } 91 virtual ~TestingClock() {} 92 virtual base::Time GetTime() OVERRIDE { 93 return base::Time::FromInternalValue(++counter_); 94 } 95 private: 96 int64 counter_; 97 }; 98 99 class PerformanceMonitorDatabaseEventTest : public ::testing::Test { 100 protected: 101 PerformanceMonitorDatabaseEventTest() { 102 clock_ = new TestingClock(); 103 CHECK(temp_dir_.CreateUniqueTempDir()); 104 db_ = Database::Create(temp_dir_.path()); 105 CHECK(db_.get()); 106 db_->set_clock(scoped_ptr<Database::Clock>(clock_)); 107 } 108 109 virtual void SetUp() { 110 ASSERT_TRUE(db_.get()); 111 PopulateDB(); 112 } 113 114 void PopulateDB() { 115 InitEvents(); 116 db_->AddEvent(*install_event_1_.get()); 117 db_->AddEvent(*install_event_2_.get()); 118 db_->AddEvent(*uninstall_event_1_.get()); 119 db_->AddEvent(*uninstall_event_2_.get()); 120 } 121 122 scoped_ptr<Database> db_; 123 Database::Clock* clock_; 124 base::ScopedTempDir temp_dir_; 125 scoped_ptr<Event> install_event_1_; 126 scoped_ptr<Event> install_event_2_; 127 scoped_ptr<Event> uninstall_event_1_; 128 scoped_ptr<Event> uninstall_event_2_; 129 130 private: 131 void InitEvents() { 132 install_event_1_ = util::CreateExtensionEvent( 133 EVENT_EXTENSION_INSTALL, clock_->GetTime(), "a", "extension 1", 134 "http://foo.com", static_cast<int>(Manifest::UNPACKED), "0.1", 135 "Test Test"); 136 install_event_2_ = util::CreateExtensionEvent( 137 EVENT_EXTENSION_INSTALL, clock_->GetTime(), "b", "extension 2", 138 "http://bar.com", static_cast<int>(Manifest::UNPACKED), "0.1", 139 "Test Test"); 140 uninstall_event_1_ = util::CreateExtensionEvent( 141 EVENT_EXTENSION_UNINSTALL, clock_->GetTime(), "a", "extension 1", 142 "http://foo.com", static_cast<int>(Manifest::UNPACKED), "0.1", 143 "Test Test"); 144 uninstall_event_2_ = util::CreateExtensionEvent( 145 EVENT_EXTENSION_UNINSTALL, clock_->GetTime(), "b", "extension 2", 146 "http://bar.com", static_cast<int>(Manifest::UNPACKED), "0.1", 147 "Test Test"); 148 } 149 }; 150 151 class PerformanceMonitorDatabaseMetricTest : public ::testing::Test { 152 protected: 153 PerformanceMonitorDatabaseMetricTest() { 154 clock_ = new TestingClock(); 155 CHECK(temp_dir_.CreateUniqueTempDir()); 156 db_ = Database::Create(temp_dir_.path()); 157 CHECK(db_.get()); 158 db_->set_clock(scoped_ptr<Database::Clock>(clock_)); 159 activity_ = std::string("A"); 160 } 161 162 virtual void SetUp() { 163 ASSERT_TRUE(db_.get()); 164 PopulateDB(); 165 } 166 167 void PopulateDB() { 168 db_->AddMetric(kProcessChromeAggregate, 169 Metric(METRIC_CPU_USAGE, clock_->GetTime(), 50.5)); 170 db_->AddMetric(activity_, 171 Metric(METRIC_CPU_USAGE, clock_->GetTime(), 13.1)); 172 db_->AddMetric(kProcessChromeAggregate, 173 Metric(METRIC_PRIVATE_MEMORY_USAGE, 174 clock_->GetTime(), 175 1000000.0)); 176 db_->AddMetric(activity_, 177 Metric(METRIC_PRIVATE_MEMORY_USAGE, 178 clock_->GetTime(), 179 3000000.0)); 180 } 181 182 scoped_ptr<Database> db_; 183 Database::Clock* clock_; 184 base::ScopedTempDir temp_dir_; 185 std::string activity_; 186 }; 187 188 ////// PerformanceMonitorDatabaseSetupTests //////////////////////////////////// 189 TEST(PerformanceMonitorDatabaseSetupTest, OpenClose) { 190 base::ScopedTempDir temp_dir; 191 ASSERT_TRUE(temp_dir.CreateUniqueTempDir()); 192 scoped_ptr<Database> db = Database::Create(temp_dir.path()); 193 ASSERT_TRUE(db.get()); 194 DatabaseTestHelper helper(db.get()); 195 ASSERT_TRUE(helper.Close()); 196 } 197 198 TEST(PerformanceMonitorDatabaseSetupTest, ActiveInterval) { 199 base::ScopedTempDir temp_dir; 200 ASSERT_TRUE(temp_dir.CreateUniqueTempDir()); 201 202 TestingClock* clock_1 = new TestingClock(); 203 base::Time start_time = clock_1->GetTime(); 204 205 scoped_ptr<Database> db_1 = Database::Create(temp_dir.path()); 206 db_1->set_clock(scoped_ptr<Database::Clock>(clock_1)); 207 DatabaseTestHelper helper1(db_1.get()); 208 db_1->AddStateValue("test", "test"); 209 ASSERT_TRUE(db_1.get()); 210 ASSERT_TRUE(helper1.Close()); 211 212 TestingClock* clock_2 = new TestingClock(*clock_1); 213 base::Time mid_time = clock_2->GetTime(); 214 scoped_ptr<Database> db_2 = Database::Create(temp_dir.path()); 215 db_2->set_clock(scoped_ptr<Database::Clock>(clock_2)); 216 DatabaseTestHelper helper2(db_2.get()); 217 db_2->AddStateValue("test", "test"); 218 ASSERT_TRUE(db_2.get()); 219 ASSERT_TRUE(helper2.Close()); 220 221 TestingClock* clock_3 = new TestingClock(*clock_2); 222 base::Time end_time = clock_3->GetTime(); 223 scoped_ptr<Database> db_3 = Database::Create(temp_dir.path()); 224 db_3->set_clock(scoped_ptr<Database::Clock>(clock_3)); 225 db_3->AddStateValue("test", "test"); 226 ASSERT_TRUE(db_3.get()); 227 228 std::vector<TimeRange> active_interval = db_3->GetActiveIntervals(start_time, 229 end_time); 230 ASSERT_EQ(active_interval.size(), 2u); 231 ASSERT_TRUE(active_interval[0].start > start_time && 232 active_interval[0].end < mid_time); 233 ASSERT_TRUE(active_interval[1].start > mid_time && 234 active_interval[1].end < end_time); 235 } 236 237 TEST(PerformanceMonitorDatabaseSetupTest, 238 ActiveIntervalRetrievalDuringActiveInterval) { 239 base::ScopedTempDir temp_dir; 240 ASSERT_TRUE(temp_dir.CreateUniqueTempDir()); 241 242 TestingClock* clock = new TestingClock(); 243 scoped_ptr<Database> db = Database::Create(temp_dir.path()); 244 db->set_clock(scoped_ptr<Database::Clock>(clock)); 245 db->AddStateValue("test", "test"); 246 base::Time start_time = clock->GetTime(); 247 db->AddStateValue("test", "test"); 248 base::Time end_time = clock->GetTime(); 249 db->AddStateValue("test", "test"); 250 251 std::vector<TimeRange> active_interval = db->GetActiveIntervals(start_time, 252 end_time); 253 ASSERT_EQ(1u, active_interval.size()); 254 EXPECT_LT(active_interval[0].start, start_time); 255 EXPECT_GT(active_interval[0].end, start_time); 256 } 257 258 TEST(PerformanceMonitorDatabaseSetupTest, 259 ActiveIntervalRetrievalAfterActiveInterval) { 260 base::ScopedTempDir temp_dir; 261 ASSERT_TRUE(temp_dir.CreateUniqueTempDir()); 262 263 TestingClock* clock = new TestingClock(); 264 scoped_ptr<Database> db = Database::Create(temp_dir.path()); 265 db->set_clock(scoped_ptr<Database::Clock>(clock)); 266 db->AddStateValue("test", "test"); 267 268 base::Time start_time = clock->GetTime(); 269 base::Time end_time = clock->GetTime(); 270 std::vector<TimeRange> active_interval = db->GetActiveIntervals(start_time, 271 end_time); 272 EXPECT_TRUE(active_interval.empty()); 273 } 274 275 ////// PerformanceMonitorDatabaseEventTests //////////////////////////////////// 276 TEST_F(PerformanceMonitorDatabaseEventTest, GetAllEvents) { 277 Database::EventVector events = db_->GetEvents(); 278 ASSERT_EQ(4u, events.size()); 279 EXPECT_TRUE(events[0]->data()->Equals(install_event_1_->data())); 280 EXPECT_TRUE(events[1]->data()->Equals(install_event_2_->data())); 281 EXPECT_TRUE(events[2]->data()->Equals(uninstall_event_1_->data())); 282 EXPECT_TRUE(events[3]->data()->Equals(uninstall_event_2_->data())); 283 } 284 285 TEST_F(PerformanceMonitorDatabaseMetricTest, GetMaxMetric) { 286 Metric stat; 287 EXPECT_EQ(0.0, db_->GetMaxStatsForActivityAndMetric(activity_, 288 METRIC_PAGE_LOAD_TIME)); 289 290 EXPECT_EQ(1000000, 291 db_->GetMaxStatsForActivityAndMetric(METRIC_PRIVATE_MEMORY_USAGE)); 292 293 db_->AddMetric(kProcessChromeAggregate, 294 Metric(METRIC_PRIVATE_MEMORY_USAGE, clock_->GetTime(), 99.0)); 295 EXPECT_EQ(1000000, 296 db_->GetMaxStatsForActivityAndMetric(METRIC_PRIVATE_MEMORY_USAGE)); 297 298 db_->AddMetric(kProcessChromeAggregate, 299 Metric(METRIC_PRIVATE_MEMORY_USAGE, 300 clock_->GetTime(), 301 6000000.0)); 302 EXPECT_EQ(6000000, 303 db_->GetMaxStatsForActivityAndMetric(METRIC_PRIVATE_MEMORY_USAGE)); 304 } 305 306 TEST_F(PerformanceMonitorDatabaseEventTest, GetAllEventTypes) { 307 Database::EventTypeSet types = db_->GetEventTypes(); 308 ASSERT_EQ(2u, types.size()); 309 ASSERT_EQ(1u, types.count(EVENT_EXTENSION_INSTALL)); 310 ASSERT_EQ(1u, types.count(EVENT_EXTENSION_UNINSTALL)); 311 } 312 313 TEST_F(PerformanceMonitorDatabaseEventTest, GetEventInTimeRange) { 314 base::Time start_time = clock_->GetTime(); 315 scoped_ptr<Event> crash_event = util::CreateRendererFailureEvent( 316 clock_->GetTime(), EVENT_RENDERER_CRASH, "http://www.google.com/"); 317 db_->AddEvent(*crash_event.get()); 318 Database::EventVector events = db_->GetEvents(start_time, clock_->GetTime()); 319 ASSERT_EQ(1u, events.size()); 320 EXPECT_TRUE(events[0]->data()->Equals(crash_event->data())); 321 } 322 323 TEST_F(PerformanceMonitorDatabaseEventTest, GetInstallEvents) { 324 Database::EventVector events = db_->GetEvents(EVENT_EXTENSION_INSTALL); 325 ASSERT_EQ(2u, events.size()); 326 EXPECT_TRUE(events[0]->data()->Equals(install_event_1_->data())); 327 EXPECT_TRUE(events[1]->data()->Equals(install_event_2_->data())); 328 } 329 330 TEST_F(PerformanceMonitorDatabaseEventTest, InvalidEvents) { 331 DatabaseTestHelper helper(db_.get()); 332 333 // Insert an invalid event into the database; verify it is inserted. 334 size_t original_number_of_entries = helper.GetNumberOfEventEntries(); 335 ASSERT_TRUE(helper.AddInvalidEvent( 336 clock_->GetTime(), EVENT_EXTENSION_INSTALL)); 337 ASSERT_EQ(original_number_of_entries + 1u, helper.GetNumberOfEventEntries()); 338 339 // Should not retrieve the invalid event. 340 Database::EventVector events = db_->GetEvents(); 341 ASSERT_EQ(original_number_of_entries, events.size()); 342 343 // Invalid event should have been deleted. 344 ASSERT_EQ(original_number_of_entries, helper.GetNumberOfEventEntries()); 345 } 346 347 TEST_F(PerformanceMonitorDatabaseEventTest, GetUnusedEventType) { 348 Database::EventVector events = db_->GetEvents(EVENT_EXTENSION_DISABLE); 349 ASSERT_TRUE(events.empty()); 350 events = db_->GetEvents(EVENT_EXTENSION_DISABLE, clock_->GetTime(), 351 clock_->GetTime()); 352 ASSERT_TRUE(events.empty()); 353 } 354 355 TEST_F(PerformanceMonitorDatabaseEventTest, GetEventsTimeRange) { 356 base::Time start_time = clock_->GetTime(); 357 scoped_ptr<Event> new_install_event = 358 util::CreateExtensionEvent(EVENT_EXTENSION_INSTALL, clock_->GetTime(), 359 "c", "test extension", "http://foo.com", 360 static_cast<int>(Manifest::UNPACKED), "0.1", 361 "Test Test"); 362 scoped_ptr<Event> new_uninstall_event = 363 util::CreateExtensionEvent(EVENT_EXTENSION_UNINSTALL, clock_->GetTime(), 364 "c", "test extension", "http://foo.com", 365 static_cast<int>(Manifest::UNPACKED), "0.1", 366 "Test Test"); 367 base::Time end_time = clock_->GetTime(); 368 db_->AddEvent(*new_install_event.get()); 369 db_->AddEvent(*new_uninstall_event.get()); 370 Database::EventVector events = db_->GetEvents(start_time, end_time); 371 ASSERT_EQ(2u, events.size()); 372 EXPECT_TRUE(events[0]->data()->Equals(new_install_event->data())); 373 EXPECT_TRUE(events[1]->data()->Equals(new_uninstall_event->data())); 374 events = db_->GetEvents( 375 EVENT_EXTENSION_INSTALL, start_time, end_time); 376 ASSERT_EQ(1u, events.size()); 377 EXPECT_TRUE(events[0]->data()->Equals(new_install_event->data())); 378 } 379 380 ////// PerformanceMonitorDatabaseMetricTests /////////////////////////////////// 381 TEST_F(PerformanceMonitorDatabaseMetricTest, GetActiveMetrics) { 382 Database::MetricTypeSet active_metrics = 383 db_->GetActiveMetrics(base::Time(), clock_->GetTime()); 384 385 Database::MetricTypeSet expected_metrics; 386 expected_metrics.insert(METRIC_CPU_USAGE); 387 expected_metrics.insert(METRIC_PRIVATE_MEMORY_USAGE); 388 EXPECT_EQ(expected_metrics, active_metrics); 389 } 390 391 TEST_F(PerformanceMonitorDatabaseMetricTest, GetRecentMetric) { 392 Metric stat; 393 ASSERT_TRUE(db_->GetRecentStatsForActivityAndMetric(activity_, 394 METRIC_PRIVATE_MEMORY_USAGE, &stat)); 395 EXPECT_EQ(3000000, stat.value); 396 397 ASSERT_TRUE(db_->GetRecentStatsForActivityAndMetric(METRIC_CPU_USAGE, &stat)); 398 EXPECT_EQ(50.5, stat.value); 399 400 base::ScopedTempDir dir; 401 CHECK(dir.CreateUniqueTempDir()); 402 scoped_ptr<Database> db = Database::Create(dir.path()); 403 CHECK(db.get()); 404 db->set_clock(scoped_ptr<Database::Clock>(new TestingClock())); 405 EXPECT_FALSE(db->GetRecentStatsForActivityAndMetric(METRIC_CPU_USAGE, &stat)); 406 } 407 408 TEST_F(PerformanceMonitorDatabaseMetricTest, GetState) { 409 std::string key("version"); 410 std::string value("1.0.0.0.1"); 411 db_->AddStateValue(key, value); 412 EXPECT_EQ(db_->GetStateValue(key), value); 413 } 414 415 TEST_F(PerformanceMonitorDatabaseMetricTest, GetStateOverride) { 416 std::string key("version"); 417 std::string value_1("1.0.0.0.0"); 418 std::string value_2("1.0.0.0.1"); 419 db_->AddStateValue(key, value_1); 420 db_->AddStateValue(key, value_2); 421 EXPECT_EQ(db_->GetStateValue(key), value_2); 422 } 423 424 TEST_F(PerformanceMonitorDatabaseMetricTest, GetStatsForActivityAndMetric) { 425 Database::MetricVector stats = *db_->GetStatsForActivityAndMetric( 426 activity_, METRIC_CPU_USAGE, base::Time(), clock_->GetTime()); 427 ASSERT_EQ(1u, stats.size()); 428 EXPECT_EQ(13.1, stats[0].value); 429 base::Time before = clock_->GetTime(); 430 db_->AddMetric(activity_, 431 Metric(METRIC_CPU_USAGE, clock_->GetTime(), 18.0)); 432 stats = *db_->GetStatsForActivityAndMetric(activity_, METRIC_CPU_USAGE, 433 before, clock_->GetTime()); 434 ASSERT_EQ(1u, stats.size()); 435 EXPECT_EQ(18, stats[0].value); 436 stats = *db_->GetStatsForActivityAndMetric(activity_, METRIC_CPU_USAGE); 437 ASSERT_EQ(2u, stats.size()); 438 EXPECT_EQ(13.1, stats[0].value); 439 EXPECT_EQ(18, stats[1].value); 440 stats = *db_->GetStatsForActivityAndMetric(METRIC_PRIVATE_MEMORY_USAGE); 441 ASSERT_EQ(1u, stats.size()); 442 EXPECT_EQ(1000000, stats[0].value); 443 stats = *db_->GetStatsForActivityAndMetric(activity_, METRIC_CPU_USAGE, 444 clock_->GetTime(), 445 clock_->GetTime()); 446 EXPECT_TRUE(stats.empty()); 447 } 448 449 TEST_F(PerformanceMonitorDatabaseMetricTest, GetStatsForMetricByActivity) { 450 Database::MetricVectorMap stats_map = db_->GetStatsForMetricByActivity( 451 METRIC_CPU_USAGE, base::Time(), clock_->GetTime()); 452 ASSERT_EQ(2u, stats_map.size()); 453 linked_ptr<Database::MetricVector> stats = stats_map[activity_]; 454 ASSERT_EQ(1u, stats->size()); 455 EXPECT_EQ(13.1, stats->at(0).value); 456 stats = stats_map[kProcessChromeAggregate]; 457 ASSERT_EQ(1u, stats->size()); 458 EXPECT_EQ(50.5, stats->at(0).value); 459 stats_map = db_->GetStatsForMetricByActivity( 460 METRIC_CPU_USAGE, clock_->GetTime(), clock_->GetTime()); 461 EXPECT_EQ(0u, stats_map.size()); 462 base::Time before = clock_->GetTime(); 463 db_->AddMetric(activity_, 464 Metric(METRIC_CPU_USAGE, clock_->GetTime(), 18.0)); 465 stats_map = db_->GetStatsForMetricByActivity(METRIC_CPU_USAGE, before, 466 clock_->GetTime()); 467 ASSERT_EQ(1u, stats_map.size()); 468 stats = stats_map[activity_]; 469 ASSERT_EQ(1u, stats->size()); 470 EXPECT_EQ(18, stats->at(0).value); 471 } 472 473 TEST_F(PerformanceMonitorDatabaseMetricTest, InvalidMetrics) { 474 DatabaseTestHelper helper(db_.get()); 475 Metric invalid_metric(METRIC_CPU_USAGE, clock_->GetTime(), -5.0); 476 ASSERT_FALSE(invalid_metric.IsValid()); 477 478 // Find the original number of entries in the database. 479 size_t original_number_of_entries = helper.GetNumberOfMetricEntries(); 480 Database::MetricVector stats = *db_->GetStatsForActivityAndMetric( 481 activity_, METRIC_CPU_USAGE, base::Time(), clock_->GetTime()); 482 size_t original_number_of_cpu_entries = stats.size(); 483 484 // Check that the database normally refuses to insert bad metrics. 485 EXPECT_FALSE(db_->AddMetric(invalid_metric)); 486 487 // Verify that it was not inserted into the database. 488 stats = *db_->GetStatsForActivityAndMetric( 489 activity_, METRIC_CPU_USAGE, base::Time(), clock_->GetTime()); 490 ASSERT_EQ(original_number_of_cpu_entries, stats.size()); 491 492 // Forcefully insert it into the database. 493 ASSERT_TRUE(helper.AddInvalidMetric(activity_, invalid_metric)); 494 ASSERT_EQ(original_number_of_entries + 1u, helper.GetNumberOfMetricEntries()); 495 496 // Try to retrieve it; should only get one result. 497 stats = *db_->GetStatsForActivityAndMetric( 498 activity_, METRIC_CPU_USAGE, base::Time(), clock_->GetTime()); 499 ASSERT_EQ(original_number_of_cpu_entries, stats.size()); 500 501 // Entry should have been deleted in the database. 502 ASSERT_EQ(original_number_of_entries, helper.GetNumberOfMetricEntries()); 503 } 504 505 TEST_F(PerformanceMonitorDatabaseMetricTest, GetFullRange) { 506 db_->AddMetric(kProcessChromeAggregate, 507 Metric(METRIC_CPU_USAGE, clock_->GetTime(), 3.4)); 508 db_->AddMetric(kProcessChromeAggregate, 509 Metric(METRIC_CPU_USAGE, clock_->GetTime(), 21.0)); 510 Database::MetricVector stats = 511 *db_->GetStatsForActivityAndMetric(METRIC_CPU_USAGE); 512 ASSERT_EQ(3u, stats.size()); 513 ASSERT_EQ(50.5, stats[0].value); 514 ASSERT_EQ(3.4, stats[1].value); 515 ASSERT_EQ(21, stats[2].value); 516 } 517 518 TEST_F(PerformanceMonitorDatabaseMetricTest, GetRange) { 519 base::Time start = clock_->GetTime(); 520 db_->AddMetric(kProcessChromeAggregate, 521 Metric(METRIC_CPU_USAGE, clock_->GetTime(), 3.0)); 522 db_->AddMetric(kProcessChromeAggregate, 523 Metric(METRIC_CPU_USAGE, clock_->GetTime(), 9.0)); 524 base::Time end = clock_->GetTime(); 525 db_->AddMetric(kProcessChromeAggregate, 526 Metric(METRIC_CPU_USAGE, clock_->GetTime(), 21.0)); 527 Database::MetricVector stats = 528 *db_->GetStatsForActivityAndMetric(METRIC_CPU_USAGE, start, end); 529 ASSERT_EQ(2u, stats.size()); 530 ASSERT_EQ(3, stats[0].value); 531 ASSERT_EQ(9, stats[1].value); 532 } 533 534 } // namespace performance_monitor 535