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1 // Copyright 2017 The Chromium Authors. All rights reserved. | 1 // Copyright 2017 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 "services/resource_coordinator/memory/coordinator/coordinator_impl.h" | 5 #include "services/resource_coordinator/memory/coordinator/coordinator_impl.h" |
6 | 6 |
7 #include "base/bind.h" | |
8 #include "base/bind_helpers.h" | 7 #include "base/bind_helpers.h" |
9 #include "base/lazy_instance.h" | 8 #include "base/lazy_instance.h" |
10 #include "base/location.h" | 9 #include "base/location.h" |
11 #include "base/logging.h" | 10 #include "base/logging.h" |
12 #include "base/memory/ref_counted.h" | 11 #include "base/memory/ref_counted.h" |
13 #include "base/single_thread_task_runner.h" | |
14 #include "base/threading/platform_thread.h" | |
15 #include "base/threading/thread_task_runner_handle.h" | 12 #include "base/threading/thread_task_runner_handle.h" |
16 #include "base/trace_event/memory_dump_manager.h" | 13 #include "base/trace_event/memory_dump_manager.h" |
17 #include "base/trace_event/memory_dump_request_args.h" | 14 #include "base/trace_event/memory_dump_request_args.h" |
18 #include "services/resource_coordinator/public/cpp/memory/memory_dump_manager_de
legate_impl.h" | |
19 #include "services/resource_coordinator/public/interfaces/memory/memory_instrume
ntation.mojom.h" | 15 #include "services/resource_coordinator/public/interfaces/memory/memory_instrume
ntation.mojom.h" |
20 | 16 |
21 namespace memory_instrumentation { | 17 namespace memory_instrumentation { |
22 | 18 |
23 namespace { | 19 namespace { |
24 | 20 |
25 base::LazyInstance<CoordinatorImpl>::Leaky g_coordinator = | 21 base::LazyInstance<CoordinatorImpl>::Leaky g_coordinator = |
26 LAZY_INSTANCE_INITIALIZER; | 22 LAZY_INSTANCE_INITIALIZER; |
27 | 23 |
28 } // namespace | 24 } // namespace |
29 | 25 |
30 // static | 26 // static |
31 CoordinatorImpl* CoordinatorImpl::GetInstance( | 27 CoordinatorImpl* CoordinatorImpl::GetInstance() { |
32 scoped_refptr<base::SingleThreadTaskRunner> task_runner) { | 28 return g_coordinator.Pointer(); |
33 CoordinatorImpl* out = g_coordinator.Pointer(); | |
34 out->Initialize(task_runner); | |
35 return out; | |
36 } | 29 } |
37 | 30 |
38 CoordinatorImpl::CoordinatorImpl() | 31 // TODO(chiniforooshan): Initialize the global MemoryDumpManager instance here. |
39 : failed_memory_dump_count_(0), task_runner_(nullptr) {} | 32 // This is how the global MemoryDumpManager gets a reference to the delegate on |
| 33 // the service (read the browser) process for service process memory dumps. This |
| 34 // can be done when the delegate implementation is landed. |
| 35 CoordinatorImpl::CoordinatorImpl() : failed_memory_dump_count_(0) {} |
40 | 36 |
41 CoordinatorImpl::~CoordinatorImpl() {} | 37 CoordinatorImpl::~CoordinatorImpl() {} |
42 | 38 |
43 void CoordinatorImpl::Initialize( | |
44 scoped_refptr<base::SingleThreadTaskRunner> task_runner) { | |
45 DCHECK(!task_runner_ || task_runner_ == task_runner); | |
46 | |
47 if (!task_runner_) { | |
48 task_runner_ = task_runner; | |
49 MemoryDumpManagerDelegateImpl* delegate = | |
50 MemoryDumpManagerDelegateImpl::GetInstance(); | |
51 delegate->InitializeWithCoordinator(this, task_runner_); | |
52 } | |
53 } | |
54 | |
55 void CoordinatorImpl::InitializeForTest( | |
56 scoped_refptr<base::SingleThreadTaskRunner> task_runner) { | |
57 task_runner_ = task_runner; | |
58 } | |
59 | |
60 void CoordinatorImpl::BindCoordinatorRequest( | 39 void CoordinatorImpl::BindCoordinatorRequest( |
61 mojom::CoordinatorRequest request) { | 40 mojom::CoordinatorRequest request) { |
62 DCHECK(task_runner_->RunsTasksOnCurrentThread()); | |
63 bindings_.AddBinding(this, std::move(request)); | 41 bindings_.AddBinding(this, std::move(request)); |
64 } | 42 } |
65 | 43 |
66 CoordinatorImpl::QueuedMemoryDumpRequest::QueuedMemoryDumpRequest( | 44 CoordinatorImpl::QueuedMemoryDumpRequest::QueuedMemoryDumpRequest( |
67 const base::trace_event::MemoryDumpRequestArgs args, | 45 const base::trace_event::MemoryDumpRequestArgs args, |
68 const RequestGlobalMemoryDumpCallback callback) | 46 const RequestGlobalMemoryDumpCallback callback) |
69 : args(args), callback(callback) {} | 47 : args(args), callback(callback) {} |
70 | 48 |
71 CoordinatorImpl::QueuedMemoryDumpRequest::~QueuedMemoryDumpRequest() {} | 49 CoordinatorImpl::QueuedMemoryDumpRequest::~QueuedMemoryDumpRequest() {} |
72 | 50 |
73 void CoordinatorImpl::RequestGlobalMemoryDump( | 51 void CoordinatorImpl::RequestGlobalMemoryDump( |
74 const base::trace_event::MemoryDumpRequestArgs& args, | 52 const base::trace_event::MemoryDumpRequestArgs& args, |
75 const RequestGlobalMemoryDumpCallback& callback) { | 53 const RequestGlobalMemoryDumpCallback& callback) { |
76 DCHECK(task_runner_->RunsTasksOnCurrentThread()); | 54 DCHECK(thread_checker_.CalledOnValidThread()); |
| 55 |
77 bool another_dump_already_in_progress = !queued_memory_dump_requests_.empty(); | 56 bool another_dump_already_in_progress = !queued_memory_dump_requests_.empty(); |
78 | 57 |
79 // If this is a periodic memory dump request and there already is another | 58 // If this is a periodic memory dump request and there already is another |
80 // request in the queue with the same level of detail, there's no point in | 59 // request in the queue with the same level of detail, there's no point in |
81 // enqueuing this request. | 60 // enqueuing this request. |
82 if (another_dump_already_in_progress && | 61 if (another_dump_already_in_progress && |
83 args.dump_type == base::trace_event::MemoryDumpType::PERIODIC_INTERVAL) { | 62 args.dump_type == base::trace_event::MemoryDumpType::PERIODIC_INTERVAL) { |
84 for (const auto& request : queued_memory_dump_requests_) { | 63 for (const auto& request : queued_memory_dump_requests_) { |
85 if (request.args.level_of_detail == args.level_of_detail) { | 64 if (request.args.level_of_detail == args.level_of_detail) { |
86 VLOG(1) << base::trace_event::MemoryDumpManager::kLogPrefix << " (" | 65 VLOG(1) << base::trace_event::MemoryDumpManager::kLogPrefix << " (" |
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101 // If another dump is already in progress, this dump will automatically be | 80 // If another dump is already in progress, this dump will automatically be |
102 // scheduled when the other dump finishes. | 81 // scheduled when the other dump finishes. |
103 if (another_dump_already_in_progress) | 82 if (another_dump_already_in_progress) |
104 return; | 83 return; |
105 | 84 |
106 PerformNextQueuedGlobalMemoryDump(); | 85 PerformNextQueuedGlobalMemoryDump(); |
107 } | 86 } |
108 | 87 |
109 void CoordinatorImpl::RegisterProcessLocalDumpManager( | 88 void CoordinatorImpl::RegisterProcessLocalDumpManager( |
110 mojom::ProcessLocalDumpManagerPtr process_manager) { | 89 mojom::ProcessLocalDumpManagerPtr process_manager) { |
111 DCHECK(task_runner_->RunsTasksOnCurrentThread()); | 90 DCHECK(thread_checker_.CalledOnValidThread()); |
| 91 |
112 process_manager.set_connection_error_handler( | 92 process_manager.set_connection_error_handler( |
113 base::Bind(&CoordinatorImpl::UnregisterProcessLocalDumpManager, | 93 base::Bind(&CoordinatorImpl::UnregisterProcessLocalDumpManager, |
114 base::Unretained(this), process_manager.get())); | 94 base::Unretained(this), process_manager.get())); |
115 auto result = process_managers_.insert( | 95 auto result = process_managers_.insert( |
116 std::make_pair<mojom::ProcessLocalDumpManager*, | 96 std::make_pair<mojom::ProcessLocalDumpManager*, |
117 mojom::ProcessLocalDumpManagerPtr>( | 97 mojom::ProcessLocalDumpManagerPtr>( |
118 process_manager.get(), std::move(process_manager))); | 98 process_manager.get(), std::move(process_manager))); |
119 DCHECK(result.second); | 99 DCHECK(result.second); |
120 } | 100 } |
121 | 101 |
122 void CoordinatorImpl::UnregisterProcessLocalDumpManager( | 102 void CoordinatorImpl::UnregisterProcessLocalDumpManager( |
123 mojom::ProcessLocalDumpManager* process_manager) { | 103 mojom::ProcessLocalDumpManager* process_manager) { |
124 size_t num_deleted = process_managers_.erase(process_manager); | 104 DCHECK(process_managers_.erase(process_manager) == 1); |
125 DCHECK(num_deleted == 1); | |
126 | 105 |
127 // Check if we are waiting for an ack from this process-local manager. | 106 // Check if we are waiting for an ack from this process-local manager. |
128 if (pending_process_managers_.find(process_manager) != | 107 if (pending_process_managers_.find(process_manager) != |
129 pending_process_managers_.end()) { | 108 pending_process_managers_.end()) { |
130 DCHECK(!queued_memory_dump_requests_.empty()); | 109 DCHECK(!queued_memory_dump_requests_.empty()); |
131 OnProcessMemoryDumpResponse( | 110 OnProcessMemoryDumpResponse( |
132 process_manager, queued_memory_dump_requests_.front().args.dump_guid, | 111 process_manager, queued_memory_dump_requests_.front().args.dump_guid, |
133 false /* success */); | 112 false /* success */); |
134 } | 113 } |
135 } | 114 } |
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192 // Schedule the next queued dump (if applicable). | 171 // Schedule the next queued dump (if applicable). |
193 if (!queued_memory_dump_requests_.empty()) { | 172 if (!queued_memory_dump_requests_.empty()) { |
194 base::ThreadTaskRunnerHandle::Get()->PostTask( | 173 base::ThreadTaskRunnerHandle::Get()->PostTask( |
195 FROM_HERE, | 174 FROM_HERE, |
196 base::Bind(&CoordinatorImpl::PerformNextQueuedGlobalMemoryDump, | 175 base::Bind(&CoordinatorImpl::PerformNextQueuedGlobalMemoryDump, |
197 base::Unretained(this))); | 176 base::Unretained(this))); |
198 } | 177 } |
199 } | 178 } |
200 | 179 |
201 } // namespace memory_instrumentation | 180 } // namespace memory_instrumentation |
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