OLD | NEW |
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 #ifndef CHROME_BROWSER_MEMORY_TAB_MANAGER_DELEGATE_CHROMEOS_H_ | 5 #ifndef CHROME_BROWSER_MEMORY_TAB_MANAGER_DELEGATE_CHROMEOS_H_ |
6 #define CHROME_BROWSER_MEMORY_TAB_MANAGER_DELEGATE_CHROMEOS_H_ | 6 #define CHROME_BROWSER_MEMORY_TAB_MANAGER_DELEGATE_CHROMEOS_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 #include <utility> | 9 #include <utility> |
10 #include <vector> | 10 #include <vector> |
11 | 11 |
12 #include "base/containers/hash_tables.h" | 12 #include "base/containers/hash_tables.h" |
13 #include "base/gtest_prod_util.h" | 13 #include "base/gtest_prod_util.h" |
14 #include "base/macros.h" | 14 #include "base/macros.h" |
15 #include "base/memory/weak_ptr.h" | 15 #include "base/memory/weak_ptr.h" |
16 #include "base/process/process.h" | 16 #include "base/process/process.h" |
17 #include "base/timer/timer.h" | 17 #include "base/timer/timer.h" |
18 #include "chrome/browser/chromeos/arc/arc_process.h" | 18 #include "chrome/browser/chromeos/arc/arc_process.h" |
19 #include "chrome/browser/memory/tab_manager.h" | 19 #include "chrome/browser/memory/tab_manager.h" |
20 #include "chrome/browser/memory/tab_stats.h" | 20 #include "chrome/browser/memory/tab_stats.h" |
21 #include "chrome/browser/ui/browser_list_observer.h" | 21 #include "chrome/browser/ui/browser_list_observer.h" |
22 #include "components/arc/arc_bridge_service.h" | 22 #include "components/arc/arc_bridge_service.h" |
| 23 #include "components/arc/instance_holder.h" |
23 #include "content/public/browser/notification_observer.h" | 24 #include "content/public/browser/notification_observer.h" |
24 #include "content/public/browser/notification_registrar.h" | 25 #include "content/public/browser/notification_registrar.h" |
25 #include "ui/wm/public/activation_change_observer.h" | 26 #include "ui/wm/public/activation_change_observer.h" |
26 | 27 |
27 namespace memory { | 28 namespace memory { |
28 | 29 |
29 // The importance of tabs/apps. The lower the value, the more likely a process | 30 // The importance of tabs/apps. The lower the value, the more likely a process |
30 // is to be selected on memory pressure. The values is additive, for example, | 31 // is to be selected on memory pressure. The values is additive, for example, |
31 // one tab could be of value (CHROME_NORMAL | CHROME_PINNED). | 32 // one tab could be of value (CHROME_NORMAL | CHROME_PINNED). |
32 // TODO(cylee): Refactor this CL so the prioritize logic is unified in | 33 // TODO(cylee): Refactor this CL so the prioritize logic is unified in |
(...skipping 35 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
68 ANDROID_PERSISTENT = 1 << 30, | 69 ANDROID_PERSISTENT = 1 << 30, |
69 ANDROID_NON_EXISTS = 0x7FFFFFFF | 70 ANDROID_NON_EXISTS = 0x7FFFFFFF |
70 }; | 71 }; |
71 | 72 |
72 // The Chrome OS TabManagerDelegate is responsible for keeping the | 73 // The Chrome OS TabManagerDelegate is responsible for keeping the |
73 // renderers' scores up to date in /proc/<pid>/oom_score_adj. | 74 // renderers' scores up to date in /proc/<pid>/oom_score_adj. |
74 // | 75 // |
75 // Note that AdjustOomPriorities will be called on the UI thread by | 76 // Note that AdjustOomPriorities will be called on the UI thread by |
76 // TabManager, but the actual work will take place on the file thread | 77 // TabManager, but the actual work will take place on the file thread |
77 // (see implementation of AdjustOomPriorities). | 78 // (see implementation of AdjustOomPriorities). |
78 class TabManagerDelegate : public arc::ArcBridgeService::Observer, | 79 class TabManagerDelegate |
79 public aura::client::ActivationChangeObserver, | 80 : public arc::InstanceHolder<arc::mojom::ProcessInstance>::Observer, |
80 public content::NotificationObserver, | 81 public aura::client::ActivationChangeObserver, |
81 public chrome::BrowserListObserver { | 82 public content::NotificationObserver, |
| 83 public chrome::BrowserListObserver { |
82 public: | 84 public: |
83 class MemoryStat; | 85 class MemoryStat; |
84 | 86 |
85 explicit TabManagerDelegate(const base::WeakPtr<TabManager>& tab_manager); | 87 explicit TabManagerDelegate(const base::WeakPtr<TabManager>& tab_manager); |
86 | 88 |
87 TabManagerDelegate(const base::WeakPtr<TabManager>& tab_manager, | 89 TabManagerDelegate(const base::WeakPtr<TabManager>& tab_manager, |
88 TabManagerDelegate::MemoryStat* mem_stat); | 90 TabManagerDelegate::MemoryStat* mem_stat); |
89 | 91 |
90 ~TabManagerDelegate() override; | 92 ~TabManagerDelegate() override; |
91 | 93 |
92 void OnBrowserSetLastActive(Browser* browser) override; | 94 void OnBrowserSetLastActive(Browser* browser) override; |
93 | 95 |
94 // ArcBridgeService::Observer overrides. | 96 // InstanceHolder<arc::mojom::ProcessInstance>::Observer overrides. |
95 void OnProcessInstanceReady() override; | 97 void OnInstanceReady(arc::mojom::ProcessInstance* process_instance, |
96 void OnProcessInstanceClosed() override; | 98 uint32_t version) override; |
| 99 void OnInstanceClosed(arc::mojom::ProcessInstance*) override; |
97 | 100 |
98 // aura::ActivationChangeObserver overrides. | 101 // aura::ActivationChangeObserver overrides. |
99 void OnWindowActivated( | 102 void OnWindowActivated( |
100 aura::client::ActivationChangeObserver::ActivationReason reason, | 103 aura::client::ActivationChangeObserver::ActivationReason reason, |
101 aura::Window* gained_active, | 104 aura::Window* gained_active, |
102 aura::Window* lost_active) override; | 105 aura::Window* lost_active) override; |
103 | 106 |
104 // Kills a process on memory pressure. | 107 // Kills a process on memory pressure. |
105 void LowMemoryKill(const TabStatsList& tab_stats); | 108 void LowMemoryKill(const TabStatsList& tab_stats); |
106 | 109 |
(...skipping 22 matching lines...) Expand all Loading... |
129 | 132 |
130 private: | 133 private: |
131 FRIEND_TEST_ALL_PREFIXES(TabManagerDelegateTest, CandidatesSorted); | 134 FRIEND_TEST_ALL_PREFIXES(TabManagerDelegateTest, CandidatesSorted); |
132 FRIEND_TEST_ALL_PREFIXES(TabManagerDelegateTest, KillMultipleProcesses); | 135 FRIEND_TEST_ALL_PREFIXES(TabManagerDelegateTest, KillMultipleProcesses); |
133 FRIEND_TEST_ALL_PREFIXES(TabManagerDelegateTest, SetOomScoreAdj); | 136 FRIEND_TEST_ALL_PREFIXES(TabManagerDelegateTest, SetOomScoreAdj); |
134 | 137 |
135 struct Candidate; | 138 struct Candidate; |
136 class FocusedProcess; | 139 class FocusedProcess; |
137 class UmaReporter; | 140 class UmaReporter; |
138 | 141 |
139 friend std::ostream& operator<<( | 142 friend std::ostream& operator<<(std::ostream& out, |
140 std::ostream& out, const Candidate& candidate); | 143 const Candidate& candidate); |
141 | 144 |
142 // content::NotificationObserver: | 145 // content::NotificationObserver: |
143 void Observe(int type, | 146 void Observe(int type, |
144 const content::NotificationSource& source, | 147 const content::NotificationSource& source, |
145 const content::NotificationDetails& details) override; | 148 const content::NotificationDetails& details) override; |
146 | 149 |
147 // Pair to hold child process host id and ProcessHandle. | 150 // Pair to hold child process host id and ProcessHandle. |
148 typedef std::pair<int, base::ProcessHandle> ProcessInfo; | 151 typedef std::pair<int, base::ProcessHandle> ProcessInfo; |
149 | 152 |
150 // Cache OOM scores in memory. | 153 // Cache OOM scores in memory. |
151 typedef base::hash_map<base::ProcessHandle, int> ProcessScoreMap; | 154 typedef base::hash_map<base::ProcessHandle, int> ProcessScoreMap; // NOLINT |
152 | 155 |
153 // Get the list of candidates to kill, sorted by reversed importance. | 156 // Get the list of candidates to kill, sorted by reversed importance. |
154 static std::vector<Candidate> GetSortedCandidates( | 157 static std::vector<Candidate> GetSortedCandidates( |
155 const TabStatsList& tab_list, | 158 const TabStatsList& tab_list, |
156 const std::vector<arc::ArcProcess>& arc_processes); | 159 const std::vector<arc::ArcProcess>& arc_processes); |
157 | 160 |
158 // Posts AdjustFocusedTabScore task to the file thread. | 161 // Posts AdjustFocusedTabScore task to the file thread. |
159 void OnFocusTabScoreAdjustmentTimeout(); | 162 void OnFocusTabScoreAdjustmentTimeout(); |
160 | 163 |
161 // Kills a process after getting all info of tabs and apps. | 164 // Kills a process after getting all info of tabs and apps. |
(...skipping 74 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
236 // On ARC enabled machines, either a tab or an app could be a possible | 239 // On ARC enabled machines, either a tab or an app could be a possible |
237 // victim of low memory kill process. This is a helper struct which holds a | 240 // victim of low memory kill process. This is a helper struct which holds a |
238 // pointer to an app or a tab (but not both) to facilitate prioritizing the | 241 // pointer to an app or a tab (but not both) to facilitate prioritizing the |
239 // victims. | 242 // victims. |
240 struct TabManagerDelegate::Candidate { | 243 struct TabManagerDelegate::Candidate { |
241 Candidate(const TabStats* _tab, int _priority) | 244 Candidate(const TabStats* _tab, int _priority) |
242 : tab(_tab), priority(_priority), is_arc_app(false) {} | 245 : tab(_tab), priority(_priority), is_arc_app(false) {} |
243 Candidate(const arc::ArcProcess* _app, int _priority) | 246 Candidate(const arc::ArcProcess* _app, int _priority) |
244 : app(_app), priority(_priority), is_arc_app(true) {} | 247 : app(_app), priority(_priority), is_arc_app(true) {} |
245 | 248 |
246 bool operator<(const Candidate& rhs) const { | 249 bool operator<(const Candidate& rhs) const { return priority < rhs.priority; } |
247 return priority < rhs.priority; | |
248 } | |
249 | 250 |
250 union { | 251 union { |
251 const TabStats* tab; | 252 const TabStats* tab; |
252 const arc::ArcProcess* app; | 253 const arc::ArcProcess* app; |
253 }; | 254 }; |
254 int priority; | 255 int priority; |
255 bool is_arc_app; | 256 bool is_arc_app; |
256 }; | 257 }; |
257 | 258 |
258 // A thin wrapper over library process_metric.h to get memory status so unit | 259 // A thin wrapper over library process_metric.h to get memory status so unit |
(...skipping 15 matching lines...) Expand all Loading... |
274 // reported if available memory is under the number. | 275 // reported if available memory is under the number. |
275 static int LowMemoryMarginKB(); | 276 static int LowMemoryMarginKB(); |
276 | 277 |
277 // Reads in an integer. | 278 // Reads in an integer. |
278 static int ReadIntFromFile(const char* file_name, int default_val); | 279 static int ReadIntFromFile(const char* file_name, int default_val); |
279 }; | 280 }; |
280 | 281 |
281 } // namespace memory | 282 } // namespace memory |
282 | 283 |
283 #endif // CHROME_BROWSER_MEMORY_TAB_MANAGER_DELEGATE_CHROMEOS_H_ | 284 #endif // CHROME_BROWSER_MEMORY_TAB_MANAGER_DELEGATE_CHROMEOS_H_ |
OLD | NEW |