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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "chrome/browser/chromeos/resource_reporter/resource_reporter.h" | 5 #include "chrome/browser/chromeos/resource_reporter/resource_reporter.h" |
6 | 6 |
7 #include <cstdint> | 7 #include <cstdint> |
8 #include <queue> | 8 #include <queue> |
9 #include <utility> | 9 #include <utility> |
10 | 10 |
11 #include "base/bind.h" | 11 #include "base/bind.h" |
12 #include "base/memory/memory_coordinator_client_registry.h" | |
12 #include "base/memory/ptr_util.h" | 13 #include "base/memory/ptr_util.h" |
13 #include "base/rand_util.h" | 14 #include "base/rand_util.h" |
14 #include "base/strings/utf_string_conversions.h" | 15 #include "base/strings/utf_string_conversions.h" |
15 #include "base/sys_info.h" | 16 #include "base/sys_info.h" |
16 #include "chrome/browser/browser_process.h" | 17 #include "chrome/browser/browser_process.h" |
17 #include "chrome/browser/task_manager/task_manager_interface.h" | 18 #include "chrome/browser/task_manager/task_manager_interface.h" |
18 #include "components/rappor/rappor_service.h" | 19 #include "components/rappor/rappor_service.h" |
19 #include "content/public/browser/browser_thread.h" | 20 #include "content/public/browser/browser_thread.h" |
20 | 21 |
21 namespace chromeos { | 22 namespace chromeos { |
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240 } | 241 } |
241 | 242 |
242 // static | 243 // static |
243 const size_t ResourceReporter::kTopConsumersCount = 10U; | 244 const size_t ResourceReporter::kTopConsumersCount = 10U; |
244 | 245 |
245 ResourceReporter::ResourceReporter() | 246 ResourceReporter::ResourceReporter() |
246 : TaskManagerObserver(base::TimeDelta::FromSeconds(kRefreshIntervalSeconds), | 247 : TaskManagerObserver(base::TimeDelta::FromSeconds(kRefreshIntervalSeconds), |
247 task_manager::REFRESH_TYPE_CPU | | 248 task_manager::REFRESH_TYPE_CPU | |
248 task_manager::REFRESH_TYPE_MEMORY | | 249 task_manager::REFRESH_TYPE_MEMORY | |
249 task_manager::REFRESH_TYPE_PRIORITY), | 250 task_manager::REFRESH_TYPE_PRIORITY), |
250 system_cpu_cores_range_(GetCurrentSystemCpuCoresRange()) {} | 251 system_cpu_cores_range_(GetCurrentSystemCpuCoresRange()) { |
252 base::MemoryCoordinatorClientRegistry::GetInstance()->Register(this); | |
253 } | |
251 | 254 |
252 // static | 255 // static |
253 std::unique_ptr<rappor::Sample> ResourceReporter::CreateRapporSample( | 256 std::unique_ptr<rappor::Sample> ResourceReporter::CreateRapporSample( |
254 rappor::RapporService* rappor_service, | 257 rappor::RapporService* rappor_service, |
255 const ResourceReporter::TaskRecord& task_record) { | 258 const ResourceReporter::TaskRecord& task_record) { |
256 std::unique_ptr<rappor::Sample> sample( | 259 std::unique_ptr<rappor::Sample> sample( |
257 rappor_service->CreateSample(rappor::UMA_RAPPOR_TYPE)); | 260 rappor_service->CreateSample(rappor::UMA_RAPPOR_TYPE)); |
258 sample->SetStringField(kRapporTaskStringField, | 261 sample->SetStringField(kRapporTaskStringField, |
259 task_record.task_name_for_rappor); | 262 task_record.task_name_for_rappor); |
260 sample->SetFlagsField(kRapporPriorityFlagsField, | 263 sample->SetFlagsField(kRapporPriorityFlagsField, |
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349 sampled_task = task_data; | 352 sampled_task = task_data; |
350 } | 353 } |
351 memory_weights_sum += task_data->memory_bytes; | 354 memory_weights_sum += task_data->memory_bytes; |
352 } | 355 } |
353 | 356 |
354 return sampled_task; | 357 return sampled_task; |
355 } | 358 } |
356 | 359 |
357 void ResourceReporter::OnMemoryPressure( | 360 void ResourceReporter::OnMemoryPressure( |
358 MemoryPressureLevel memory_pressure_level) { | 361 MemoryPressureLevel memory_pressure_level) { |
359 if (have_seen_first_task_manager_refresh_ && | 362 if (memory_pressure_level == |
360 memory_pressure_level == | |
361 MemoryPressureLevel::MEMORY_PRESSURE_LEVEL_CRITICAL) { | 363 MemoryPressureLevel::MEMORY_PRESSURE_LEVEL_CRITICAL) { |
362 // Report browser and GPU processes usage using UMA histograms. | 364 RecordCurrentState(); |
363 UMA_HISTOGRAM_ENUMERATION( | |
364 "ResourceReporter.BrowserProcess.CpuUsage", | |
365 GET_ENUM_VAL(GetCpuUsageRange(last_browser_process_cpu_)), | |
366 GET_ENUM_VAL(CpuUsageRange::NUM_RANGES)); | |
367 UMA_HISTOGRAM_ENUMERATION( | |
368 "ResourceReporter.BrowserProcess.MemoryUsage", | |
369 GET_ENUM_VAL(GetMemoryUsageRange(last_browser_process_memory_)), | |
370 GET_ENUM_VAL(MemoryUsageRange::NUM_RANGES)); | |
371 UMA_HISTOGRAM_ENUMERATION( | |
372 "ResourceReporter.GpuProcess.CpuUsage", | |
373 GET_ENUM_VAL(GetCpuUsageRange(last_gpu_process_cpu_)), | |
374 GET_ENUM_VAL(CpuUsageRange::NUM_RANGES)); | |
375 UMA_HISTOGRAM_ENUMERATION( | |
376 "ResourceReporter.GpuProcess.MemoryUsage", | |
377 GET_ENUM_VAL(GetMemoryUsageRange(last_gpu_process_memory_)), | |
378 GET_ENUM_VAL(MemoryUsageRange::NUM_RANGES)); | |
379 | |
380 // For the rest of tasks, report them using Rappor. | |
381 auto* rappor_service = g_browser_process->rappor_service(); | |
382 if (!rappor_service) | |
383 return; | |
384 | |
385 // We only record Rappor samples only if it's the first ever critical memory | |
386 // pressure event we receive, or it has been more than | |
387 // |kMinimumTimeBetweenReportsInMs| since the last time we recorded samples. | |
388 if (!have_seen_first_memory_pressure_event_) { | |
389 have_seen_first_memory_pressure_event_ = true; | |
390 } else if ((base::TimeTicks::Now() - last_memory_pressure_event_time_) < | |
391 base::TimeDelta::FromMilliseconds(kMinimumTimeBetweenReportsInMs)) { | |
392 return; | |
393 } | |
394 | |
395 last_memory_pressure_event_time_ = base::TimeTicks::Now(); | |
396 | |
397 // Use weighted random sampling to select a task to report in the CPU | |
398 // metric. | |
399 const TaskRecord* sampled_cpu_task = SampleTaskByCpu(); | |
400 if (sampled_cpu_task) { | |
401 std::unique_ptr<rappor::Sample> cpu_sample( | |
402 CreateRapporSample(rappor_service, *sampled_cpu_task)); | |
403 cpu_sample->SetFlagsField(kRapporNumCoresRangeFlagsField, | |
404 GET_ENUM_VAL(system_cpu_cores_range_), | |
405 GET_ENUM_VAL(CpuCoresNumberRange::NUM_RANGES)); | |
406 cpu_sample->SetFlagsField( | |
407 kRapporUsageRangeFlagsField, | |
408 GET_ENUM_VAL(GetCpuUsageRange(sampled_cpu_task->cpu_percent)), | |
409 GET_ENUM_VAL(CpuUsageRange::NUM_RANGES)); | |
410 rappor_service->RecordSampleObj(kCpuRapporMetric, std::move(cpu_sample)); | |
411 } | |
412 | |
413 // Use weighted random sampling to select a task to report in the memory | |
414 // metric. | |
415 const TaskRecord* sampled_memory_task = SampleTaskByMemory(); | |
416 if (sampled_memory_task) { | |
417 std::unique_ptr<rappor::Sample> memory_sample( | |
418 CreateRapporSample(rappor_service, *sampled_memory_task)); | |
419 memory_sample->SetFlagsField( | |
420 kRapporUsageRangeFlagsField, | |
421 GET_ENUM_VAL(GetMemoryUsageRange(sampled_memory_task->memory_bytes)), | |
422 GET_ENUM_VAL(MemoryUsageRange::NUM_RANGES)); | |
423 rappor_service->RecordSampleObj(kMemoryRapporMetric, | |
424 std::move(memory_sample)); | |
425 } | |
426 } | 365 } |
427 } | 366 } |
428 | 367 |
368 void ResourceReporter::OnMemoryStateChange(base::MemoryState state) { | |
369 // TODO(hajimehoshi): Adjust the size of this memory usage according to | |
370 // |state|. ResourceReporter doesn't have a feature to limit memory usage at | |
371 // present. | |
372 switch (state) { | |
373 case base::MemoryState::NORMAL: | |
374 break; | |
375 case base::MemoryState::THROTTLED: | |
376 RecordCurrentState(); | |
bashi
2016/10/04 10:12:20
If I remember the thread we've discussed this migr
hajimehoshi
2016/10/18 10:13:45
The situation has been changed by https://coderevi
| |
377 break; | |
378 case base::MemoryState::SUSPENDED: | |
379 // Note: Not supported at present. Fall through. | |
380 case base::MemoryState::UNKNOWN: | |
381 NOTREACHED(); | |
382 break; | |
383 } | |
384 } | |
385 | |
386 void ResourceReporter::RecordCurrentState() { | |
387 if (!have_seen_first_task_manager_refresh_) | |
388 return; | |
389 | |
390 // Report browser and GPU processes usage using UMA histograms. | |
391 UMA_HISTOGRAM_ENUMERATION( | |
392 "ResourceReporter.BrowserProcess.CpuUsage", | |
393 GET_ENUM_VAL(GetCpuUsageRange(last_browser_process_cpu_)), | |
394 GET_ENUM_VAL(CpuUsageRange::NUM_RANGES)); | |
395 UMA_HISTOGRAM_ENUMERATION( | |
396 "ResourceReporter.BrowserProcess.MemoryUsage", | |
397 GET_ENUM_VAL(GetMemoryUsageRange(last_browser_process_memory_)), | |
398 GET_ENUM_VAL(MemoryUsageRange::NUM_RANGES)); | |
399 UMA_HISTOGRAM_ENUMERATION( | |
400 "ResourceReporter.GpuProcess.CpuUsage", | |
401 GET_ENUM_VAL(GetCpuUsageRange(last_gpu_process_cpu_)), | |
402 GET_ENUM_VAL(CpuUsageRange::NUM_RANGES)); | |
403 UMA_HISTOGRAM_ENUMERATION( | |
404 "ResourceReporter.GpuProcess.MemoryUsage", | |
405 GET_ENUM_VAL(GetMemoryUsageRange(last_gpu_process_memory_)), | |
406 GET_ENUM_VAL(MemoryUsageRange::NUM_RANGES)); | |
407 | |
408 // For the rest of tasks, report them using Rappor. | |
409 auto* rappor_service = g_browser_process->rappor_service(); | |
410 if (!rappor_service) | |
411 return; | |
412 | |
413 // We only record Rappor samples only if it's the first ever critical memory | |
414 // pressure event we receive, or it has been more than | |
415 // |kMinimumTimeBetweenReportsInMs| since the last time we recorded samples. | |
416 if (!have_seen_first_memory_pressure_event_) { | |
417 have_seen_first_memory_pressure_event_ = true; | |
418 } else if ((base::TimeTicks::Now() - last_memory_pressure_event_time_) < | |
419 base::TimeDelta::FromMilliseconds( | |
420 kMinimumTimeBetweenReportsInMs)) { | |
421 return; | |
422 } | |
423 | |
424 last_memory_pressure_event_time_ = base::TimeTicks::Now(); | |
425 | |
426 // Use weighted random sampling to select a task to report in the CPU | |
427 // metric. | |
428 const TaskRecord* sampled_cpu_task = SampleTaskByCpu(); | |
429 if (sampled_cpu_task) { | |
430 std::unique_ptr<rappor::Sample> cpu_sample( | |
431 CreateRapporSample(rappor_service, *sampled_cpu_task)); | |
432 cpu_sample->SetFlagsField(kRapporNumCoresRangeFlagsField, | |
433 GET_ENUM_VAL(system_cpu_cores_range_), | |
434 GET_ENUM_VAL(CpuCoresNumberRange::NUM_RANGES)); | |
435 cpu_sample->SetFlagsField( | |
436 kRapporUsageRangeFlagsField, | |
437 GET_ENUM_VAL(GetCpuUsageRange(sampled_cpu_task->cpu_percent)), | |
438 GET_ENUM_VAL(CpuUsageRange::NUM_RANGES)); | |
439 rappor_service->RecordSampleObj(kCpuRapporMetric, std::move(cpu_sample)); | |
440 } | |
441 | |
442 // Use weighted random sampling to select a task to report in the memory | |
443 // metric. | |
444 const TaskRecord* sampled_memory_task = SampleTaskByMemory(); | |
445 if (sampled_memory_task) { | |
446 std::unique_ptr<rappor::Sample> memory_sample( | |
447 CreateRapporSample(rappor_service, *sampled_memory_task)); | |
448 memory_sample->SetFlagsField( | |
449 kRapporUsageRangeFlagsField, | |
450 GET_ENUM_VAL(GetMemoryUsageRange(sampled_memory_task->memory_bytes)), | |
451 GET_ENUM_VAL(MemoryUsageRange::NUM_RANGES)); | |
452 rappor_service->RecordSampleObj(kMemoryRapporMetric, | |
453 std::move(memory_sample)); | |
454 } | |
455 } | |
456 | |
429 } // namespace chromeos | 457 } // namespace chromeos |
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