OLD | NEW |
1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 #ifndef CHROME_BROWSER_CHROMEOS_POWER_POWER_DATA_COLLECTOR_H_ | 5 #ifndef CHROME_BROWSER_CHROMEOS_POWER_POWER_DATA_COLLECTOR_H_ |
6 #define CHROME_BROWSER_CHROMEOS_POWER_POWER_DATA_COLLECTOR_H_ | 6 #define CHROME_BROWSER_CHROMEOS_POWER_POWER_DATA_COLLECTOR_H_ |
7 | 7 |
8 #include <deque> | 8 #include <deque> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
11 #include "base/compiler_specific.h" | 11 #include "base/compiler_specific.h" |
12 #include "base/time/time.h" | 12 #include "base/time/time.h" |
13 #include "chrome/browser/chromeos/power/cpu_data_collector.h" | |
14 #include "chromeos/chromeos_export.h" | 13 #include "chromeos/chromeos_export.h" |
15 #include "chromeos/dbus/power_manager_client.h" | 14 #include "chromeos/dbus/power_manager_client.h" |
16 | 15 |
17 namespace power_manager { | 16 namespace power_manager { |
18 class PowerSupplyProperties; | 17 class PowerSupplyProperties; |
19 } | 18 } |
20 | 19 |
21 namespace chromeos { | 20 namespace chromeos { |
22 | 21 |
23 // A class which starts collecting power metrics, like the battery charge, as | 22 // A class which starts collecting power metrics, like the battery charge, as |
(...skipping 33 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
57 }; | 56 }; |
58 | 57 |
59 const std::deque<PowerSupplySample>& power_supply_data() const { | 58 const std::deque<PowerSupplySample>& power_supply_data() const { |
60 return power_supply_data_; | 59 return power_supply_data_; |
61 } | 60 } |
62 | 61 |
63 const std::deque<SystemResumedSample>& system_resumed_data() const { | 62 const std::deque<SystemResumedSample>& system_resumed_data() const { |
64 return system_resumed_data_; | 63 return system_resumed_data_; |
65 } | 64 } |
66 | 65 |
67 const CpuDataCollector& cpu_data_collector() const { | |
68 return cpu_data_collector_; | |
69 } | |
70 | |
71 // Can be called only after DBusThreadManager is initialized. | 66 // Can be called only after DBusThreadManager is initialized. |
72 static void Initialize(); | 67 static void Initialize(); |
73 | 68 |
74 // Same as Initialize, but does not start the CpuDataCollector. | |
75 static void InitializeForTesting(); | |
76 | |
77 // Can be called only if initialized via Initialize, and before | 69 // Can be called only if initialized via Initialize, and before |
78 // DBusThreadManager is destroyed. | 70 // DBusThreadManager is destroyed. |
79 static void Shutdown(); | 71 static void Shutdown(); |
80 | 72 |
81 // Returns the global instance of PowerDataCollector. | 73 // Returns the global instance of PowerDataCollector. |
82 static PowerDataCollector* Get(); | 74 static PowerDataCollector* Get(); |
83 | 75 |
84 // PowerManagerClient::Observer implementation: | 76 // PowerManagerClient::Observer implementation: |
85 virtual void PowerChanged( | 77 virtual void PowerChanged( |
86 const power_manager::PowerSupplyProperties& prop) OVERRIDE; | 78 const power_manager::PowerSupplyProperties& prop) OVERRIDE; |
87 virtual void SystemResumed(const base::TimeDelta& sleep_duration) OVERRIDE; | 79 virtual void SystemResumed(const base::TimeDelta& sleep_duration) OVERRIDE; |
88 | 80 |
89 // Only those power data samples which fall within the last | 81 // Only those power data samples which fall within the last |
90 // |kSampleTimeLimitSec| are stored in memory. | 82 // |kSampleTimeLimitSec| are stored in memory. |
91 static const int kSampleTimeLimitSec; | 83 static const int kSampleTimeLimitSec; |
92 | 84 |
93 private: | 85 private: |
94 explicit PowerDataCollector(const bool start_cpu_data_collector); | 86 PowerDataCollector(); |
95 | 87 |
96 virtual ~PowerDataCollector(); | 88 virtual ~PowerDataCollector(); |
97 | 89 |
98 std::deque<PowerSupplySample> power_supply_data_; | 90 std::deque<PowerSupplySample> power_supply_data_; |
99 std::deque<SystemResumedSample> system_resumed_data_; | 91 std::deque<SystemResumedSample> system_resumed_data_; |
100 CpuDataCollector cpu_data_collector_; | |
101 | 92 |
102 DISALLOW_COPY_AND_ASSIGN(PowerDataCollector); | 93 DISALLOW_COPY_AND_ASSIGN(PowerDataCollector); |
103 }; | 94 }; |
104 | 95 |
105 // Adds |sample| to |sample_deque|. | 96 // Adds |sample| to |sample_deque|. |
106 // It dumps samples |PowerDataCollector::kSampleTimeLimitSec| or more older than | 97 // It dumps samples |PowerDataCollector::kSampleTimeLimitSec| or more older than |
107 // |sample|. | 98 // |sample|. |
108 template <typename SampleType> | 99 template <typename SampleType> |
109 void AddSample(std::deque<SampleType>* sample_queue, const SampleType& sample) { | 100 void AddSample(std::deque<SampleType>* sample_queue, const SampleType& sample) { |
110 while (!sample_queue->empty()) { | 101 while (!sample_queue->empty()) { |
111 const SampleType& first = sample_queue->front(); | 102 const SampleType& first = sample_queue->front(); |
112 if (sample.time - first.time > | 103 if (sample.time - first.time > |
113 base::TimeDelta::FromSeconds(PowerDataCollector::kSampleTimeLimitSec)) { | 104 base::TimeDelta::FromSeconds(PowerDataCollector::kSampleTimeLimitSec)) { |
114 sample_queue->pop_front(); | 105 sample_queue->pop_front(); |
115 } else { | 106 } else { |
116 break; | 107 break; |
117 } | 108 } |
118 } | 109 } |
119 sample_queue->push_back(sample); | 110 sample_queue->push_back(sample); |
120 } | 111 } |
121 | 112 |
122 } // namespace chromeos | 113 } // namespace chromeos |
123 | 114 |
124 #endif // CHROME_BROWSER_CHROMEOS_POWER_POWER_DATA_COLLECTOR_H_ | 115 #endif // CHROME_BROWSER_CHROMEOS_POWER_POWER_DATA_COLLECTOR_H_ |
OLD | NEW |