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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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/performance_monitor/process_metrics_history.h" | 5 #include "chrome/browser/performance_monitor/process_metrics_history.h" |
6 | 6 |
7 #include <limits> | 7 #include <limits> |
8 | 8 |
9 #include "base/logging.h" | 9 #include "base/logging.h" |
10 #include "base/metrics/histogram.h" | 10 #include "base/metrics/histogram.h" |
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29 } // namespace | 29 } // namespace |
30 | 30 |
31 // If a process is consistently above this CPU utilization percentage over time, | 31 // If a process is consistently above this CPU utilization percentage over time, |
32 // we consider it as high and may take action. | 32 // we consider it as high and may take action. |
33 const float kHighCPUUtilizationThreshold = 90.0f; | 33 const float kHighCPUUtilizationThreshold = 90.0f; |
34 | 34 |
35 ProcessMetricsHistory::ProcessMetricsHistory() | 35 ProcessMetricsHistory::ProcessMetricsHistory() |
36 : last_update_sequence_(0), cpu_usage_(0.0), trace_trigger_handle_(-1) { | 36 : last_update_sequence_(0), cpu_usage_(0.0), trace_trigger_handle_(-1) { |
37 } | 37 } |
38 | 38 |
39 ProcessMetricsHistory::ProcessMetricsHistory( | |
40 const ProcessMetricsHistory& other) = default; | |
41 | |
42 ProcessMetricsHistory::~ProcessMetricsHistory() { | 39 ProcessMetricsHistory::~ProcessMetricsHistory() { |
43 } | 40 } |
44 | 41 |
45 void ProcessMetricsHistory::Initialize( | 42 void ProcessMetricsHistory::Initialize( |
46 const ProcessMetricsMetadata& process_data, | 43 const ProcessMetricsMetadata& process_data, |
47 int initial_update_sequence) { | 44 int initial_update_sequence) { |
48 DCHECK_EQ(base::kNullProcessHandle, process_data_.handle); | 45 DCHECK_EQ(base::kNullProcessHandle, process_data_.handle); |
49 process_data_ = process_data; | 46 process_data_ = process_data; |
50 last_update_sequence_ = initial_update_sequence; | 47 last_update_sequence_ = initial_update_sequence; |
51 | 48 |
52 #if defined(OS_MACOSX) | 49 #if defined(OS_MACOSX) |
53 process_metrics_.reset(base::ProcessMetrics::CreateProcessMetrics( | 50 process_metrics_ = base::ProcessMetrics::CreateProcessMetrics( |
54 process_data_.handle, | 51 process_data_.handle, |
55 content::BrowserChildProcessHost::GetPortProvider())); | 52 content::BrowserChildProcessHost::GetPortProvider()); |
56 #else | 53 #else |
57 process_metrics_.reset( | 54 process_metrics_ = |
58 base::ProcessMetrics::CreateProcessMetrics(process_data_.handle)); | 55 base::ProcessMetrics::CreateProcessMetrics(process_data_.handle); |
59 #endif | 56 #endif |
60 | 57 |
61 const char* trigger_name = NULL; | 58 const char* trigger_name = NULL; |
62 switch (process_data_.process_type) { | 59 switch (process_data_.process_type) { |
63 case content::PROCESS_TYPE_BROWSER: | 60 case content::PROCESS_TYPE_BROWSER: |
64 trigger_name = kBrowserProcessTrigger; | 61 trigger_name = kBrowserProcessTrigger; |
65 break; | 62 break; |
66 case content::PROCESS_TYPE_GPU: | 63 case content::PROCESS_TYPE_GPU: |
67 trigger_name = kGPUProcessTrigger; | 64 trigger_name = kGPUProcessTrigger; |
68 break; | 65 break; |
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168 | 165 |
169 if (cpu_usage_ > kHighCPUUtilizationThreshold && | 166 if (cpu_usage_ > kHighCPUUtilizationThreshold && |
170 trace_trigger_handle_ != -1) { | 167 trace_trigger_handle_ != -1) { |
171 content::BackgroundTracingManager::GetInstance()->TriggerNamedEvent( | 168 content::BackgroundTracingManager::GetInstance()->TriggerNamedEvent( |
172 trace_trigger_handle_, | 169 trace_trigger_handle_, |
173 content::BackgroundTracingManager::StartedFinalizingCallback()); | 170 content::BackgroundTracingManager::StartedFinalizingCallback()); |
174 } | 171 } |
175 } | 172 } |
176 | 173 |
177 } // namespace performance_monitor | 174 } // namespace performance_monitor |
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