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Issue 149973002: [chromeos/about:power] Collect cpuidle and cpufreq stats (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: read sysfs on blocking pool via a non-member function Created 6 years, 9 months ago
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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 #include "chrome/browser/chromeos/power/power_data_collector.h" 5 #include "chrome/browser/chromeos/power/power_data_collector.h"
6 6
7 #include "base/logging.h" 7 #include "base/logging.h"
8 #include "chromeos/dbus/dbus_thread_manager.h" 8 #include "chromeos/dbus/dbus_thread_manager.h"
9 #include "chromeos/dbus/power_manager/power_supply_properties.pb.h" 9 #include "chromeos/dbus/power_manager/power_supply_properties.pb.h"
10 10
11 namespace chromeos { 11 namespace chromeos {
12 12
13 namespace { 13 namespace {
14 14
15 // The global PowerDataCollector instance. 15 // The global PowerDataCollector instance.
16 PowerDataCollector* g_power_data_collector = NULL; 16 PowerDataCollector* g_power_data_collector = NULL;
17 17
18 } // namespace 18 } // namespace
19 19
20 const int PowerDataCollector::kSampleTimeLimitSec = 24 * 60 * 60; 20 const int PowerDataCollector::kSampleTimeLimitSec = 24 * 60 * 60;
21 21
22 // static 22 // static
23 void PowerDataCollector::Initialize() { 23 void PowerDataCollector::Initialize() {
24 // Check that power data collector is initialized only after the 24 // Check that power data collector is initialized only after the
25 // DBusThreadManager is initialized. 25 // DBusThreadManager is initialized.
26 CHECK(DBusThreadManager::Get()); 26 CHECK(DBusThreadManager::Get());
27 CHECK(g_power_data_collector == NULL); 27 CHECK(g_power_data_collector == NULL);
28 g_power_data_collector = new PowerDataCollector(); 28 g_power_data_collector = new PowerDataCollector(true);
29 }
30
31 void PowerDataCollector::InitializeForTesting() {
32 CHECK(DBusThreadManager::Get());
33 CHECK(g_power_data_collector == NULL);
34 g_power_data_collector = new PowerDataCollector(false);
29 } 35 }
30 36
31 // static 37 // static
32 void PowerDataCollector::Shutdown() { 38 void PowerDataCollector::Shutdown() {
33 // Shutdown only if initialized. 39 // Shutdown only if initialized.
34 CHECK(g_power_data_collector); 40 CHECK(g_power_data_collector);
35 delete g_power_data_collector; 41 delete g_power_data_collector;
36 g_power_data_collector = NULL; 42 g_power_data_collector = NULL;
37 } 43 }
38 44
(...skipping 14 matching lines...) Expand all
53 AddSample(&power_supply_data_, sample); 59 AddSample(&power_supply_data_, sample);
54 } 60 }
55 61
56 void PowerDataCollector::SystemResumed(const base::TimeDelta& sleep_duration) { 62 void PowerDataCollector::SystemResumed(const base::TimeDelta& sleep_duration) {
57 SystemResumedSample sample; 63 SystemResumedSample sample;
58 sample.time = base::Time::Now(); 64 sample.time = base::Time::Now();
59 sample.sleep_duration = sleep_duration; 65 sample.sleep_duration = sleep_duration;
60 AddSample(&system_resumed_data_, sample); 66 AddSample(&system_resumed_data_, sample);
61 } 67 }
62 68
63 PowerDataCollector::PowerDataCollector() { 69 PowerDataCollector::PowerDataCollector(const bool start_cpu_data_collector) {
64 DBusThreadManager::Get()->GetPowerManagerClient()->AddObserver(this); 70 DBusThreadManager::Get()->GetPowerManagerClient()->AddObserver(this);
71 if (start_cpu_data_collector)
72 cpu_data_collector_.Start();
65 } 73 }
66 74
67 PowerDataCollector::~PowerDataCollector() { 75 PowerDataCollector::~PowerDataCollector() {
68 DBusThreadManager* dbus_manager = DBusThreadManager::Get(); 76 DBusThreadManager* dbus_manager = DBusThreadManager::Get();
69 CHECK(dbus_manager); 77 CHECK(dbus_manager);
70 dbus_manager->GetPowerManagerClient()->RemoveObserver(this); 78 dbus_manager->GetPowerManagerClient()->RemoveObserver(this);
71 } 79 }
72 80
73 PowerDataCollector::PowerSupplySample::PowerSupplySample() 81 PowerDataCollector::PowerSupplySample::PowerSupplySample()
74 : external_power(false), 82 : external_power(false),
75 battery_percent(0.0), 83 battery_percent(0.0),
76 battery_discharge_rate(0.0) { 84 battery_discharge_rate(0.0) {
77 } 85 }
78 86
79 PowerDataCollector::SystemResumedSample::SystemResumedSample() { 87 PowerDataCollector::SystemResumedSample::SystemResumedSample() {
80 } 88 }
81 89
82 } // namespace chromeos 90 } // namespace chromeos
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