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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 "content/child/child_discardable_shared_memory_manager.h" | 5 #include "content/child/child_discardable_shared_memory_manager.h" |
6 | 6 |
7 #include "base/atomic_sequence_num.h" | 7 #include "base/atomic_sequence_num.h" |
8 #include "base/bind.h" | 8 #include "base/bind.h" |
9 #include "base/debug/crash_logging.h" | 9 #include "base/debug/crash_logging.h" |
10 #include "base/memory/discardable_memory.h" | 10 #include "base/memory/discardable_memory.h" |
11 #include "base/memory/discardable_shared_memory.h" | 11 #include "base/memory/discardable_shared_memory.h" |
12 #include "base/metrics/histogram.h" | 12 #include "base/metrics/histogram.h" |
| 13 #include "base/process/memory.h" |
13 #include "base/process/process_metrics.h" | 14 #include "base/process/process_metrics.h" |
14 #include "base/strings/string_number_conversions.h" | 15 #include "base/strings/string_number_conversions.h" |
15 #include "base/trace_event/trace_event.h" | 16 #include "base/trace_event/trace_event.h" |
16 #include "content/common/child_process_messages.h" | 17 #include "content/common/child_process_messages.h" |
17 | 18 |
18 namespace content { | 19 namespace content { |
19 namespace { | 20 namespace { |
20 | 21 |
21 // Default allocation size. | 22 // Default allocation size. |
22 #if defined(OS_ANDROID) | 23 #if defined(OS_ANDROID) |
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257 DiscardableSharedMemoryId id) { | 258 DiscardableSharedMemoryId id) { |
258 TRACE_EVENT2("renderer", | 259 TRACE_EVENT2("renderer", |
259 "ChildDiscardableSharedMemoryManager::" | 260 "ChildDiscardableSharedMemoryManager::" |
260 "AllocateLockedDiscardableSharedMemory", | 261 "AllocateLockedDiscardableSharedMemory", |
261 "size", size, "id", id); | 262 "size", size, "id", id); |
262 | 263 |
263 base::SharedMemoryHandle handle = base::SharedMemory::NULLHandle(); | 264 base::SharedMemoryHandle handle = base::SharedMemory::NULLHandle(); |
264 sender_->Send( | 265 sender_->Send( |
265 new ChildProcessHostMsg_SyncAllocateLockedDiscardableSharedMemory( | 266 new ChildProcessHostMsg_SyncAllocateLockedDiscardableSharedMemory( |
266 size, id, &handle)); | 267 size, id, &handle)); |
267 CHECK(base::SharedMemory::IsHandleValid(handle)); | |
268 scoped_ptr<base::DiscardableSharedMemory> memory( | 268 scoped_ptr<base::DiscardableSharedMemory> memory( |
269 new base::DiscardableSharedMemory(handle)); | 269 new base::DiscardableSharedMemory(handle)); |
270 CHECK(memory->Map(size)); | 270 if (!memory->Map(size)) |
| 271 base::TerminateBecauseOutOfMemory(size); |
271 return memory.Pass(); | 272 return memory.Pass(); |
272 } | 273 } |
273 | 274 |
274 void ChildDiscardableSharedMemoryManager::DeletedDiscardableSharedMemory( | 275 void ChildDiscardableSharedMemoryManager::DeletedDiscardableSharedMemory( |
275 DiscardableSharedMemoryId id) { | 276 DiscardableSharedMemoryId id) { |
276 sender_->Send(new ChildProcessHostMsg_DeletedDiscardableSharedMemory(id)); | 277 sender_->Send(new ChildProcessHostMsg_DeletedDiscardableSharedMemory(id)); |
277 } | 278 } |
278 | 279 |
279 void ChildDiscardableSharedMemoryManager::MemoryUsageChanged( | 280 void ChildDiscardableSharedMemoryManager::MemoryUsageChanged( |
280 size_t new_bytes_total, | 281 size_t new_bytes_total, |
281 size_t new_bytes_free) const { | 282 size_t new_bytes_free) const { |
282 TRACE_COUNTER2("renderer", "DiscardableMemoryUsage", "allocated", | 283 TRACE_COUNTER2("renderer", "DiscardableMemoryUsage", "allocated", |
283 new_bytes_total - new_bytes_free, "free", new_bytes_free); | 284 new_bytes_total - new_bytes_free, "free", new_bytes_free); |
284 | 285 |
285 static const char kDiscardableMemoryAllocatedKey[] = | 286 static const char kDiscardableMemoryAllocatedKey[] = |
286 "discardable-memory-allocated"; | 287 "discardable-memory-allocated"; |
287 base::debug::SetCrashKeyValue(kDiscardableMemoryAllocatedKey, | 288 base::debug::SetCrashKeyValue(kDiscardableMemoryAllocatedKey, |
288 base::Uint64ToString(new_bytes_total)); | 289 base::Uint64ToString(new_bytes_total)); |
289 | 290 |
290 static const char kDiscardableMemoryFreeKey[] = "discardable-memory-free"; | 291 static const char kDiscardableMemoryFreeKey[] = "discardable-memory-free"; |
291 base::debug::SetCrashKeyValue(kDiscardableMemoryFreeKey, | 292 base::debug::SetCrashKeyValue(kDiscardableMemoryFreeKey, |
292 base::Uint64ToString(new_bytes_free)); | 293 base::Uint64ToString(new_bytes_free)); |
293 } | 294 } |
294 | 295 |
295 } // namespace content | 296 } // namespace content |
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