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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/common/discardable_shared_memory_heap.h" | 5 #include "content/common/discardable_shared_memory_heap.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 | 8 |
9 #include "base/format_macros.h" | 9 #include "base/format_macros.h" |
10 #include "base/memory/discardable_shared_memory.h" | 10 #include "base/memory/discardable_shared_memory.h" |
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382 std::string segment_dump_name = | 382 std::string segment_dump_name = |
383 base::StringPrintf("discardable/segment_%d", segment_id); | 383 base::StringPrintf("discardable/segment_%d", segment_id); |
384 base::trace_event::MemoryAllocatorDump* segment_dump = | 384 base::trace_event::MemoryAllocatorDump* segment_dump = |
385 pmd->CreateAllocatorDump(segment_dump_name); | 385 pmd->CreateAllocatorDump(segment_dump_name); |
386 segment_dump->AddScalar(base::trace_event::MemoryAllocatorDump::kNameSize, | 386 segment_dump->AddScalar(base::trace_event::MemoryAllocatorDump::kNameSize, |
387 base::trace_event::MemoryAllocatorDump::kUnitsBytes, | 387 base::trace_event::MemoryAllocatorDump::kUnitsBytes, |
388 static_cast<uint64_t>(size)); | 388 static_cast<uint64_t>(size)); |
389 | 389 |
390 base::trace_event::MemoryAllocatorDump* obj_dump = | 390 base::trace_event::MemoryAllocatorDump* obj_dump = |
391 pmd->CreateAllocatorDump(segment_dump_name + "/allocated_objects"); | 391 pmd->CreateAllocatorDump(segment_dump_name + "/allocated_objects"); |
392 obj_dump->AddScalar(base::trace_event::MemoryAllocatorDump::kNameObjectsCount, | 392 obj_dump->AddScalar(base::trace_event::MemoryAllocatorDump::kNameObjectCount, |
393 base::trace_event::MemoryAllocatorDump::kUnitsObjects, | 393 base::trace_event::MemoryAllocatorDump::kUnitsObjects, |
394 static_cast<uint64_t>(allocated_objects_count)); | 394 static_cast<uint64_t>(allocated_objects_count)); |
395 obj_dump->AddScalar(base::trace_event::MemoryAllocatorDump::kNameSize, | 395 obj_dump->AddScalar(base::trace_event::MemoryAllocatorDump::kNameSize, |
396 base::trace_event::MemoryAllocatorDump::kUnitsBytes, | 396 base::trace_event::MemoryAllocatorDump::kUnitsBytes, |
397 static_cast<uint64_t>(allocated_objects_size_in_bytes)); | 397 static_cast<uint64_t>(allocated_objects_size_in_bytes)); |
398 | 398 |
399 // Emit an ownership edge towards a global allocator dump node. This allows | 399 // Emit an ownership edge towards a global allocator dump node. This allows |
400 // to avoid double-counting segments when both browser and child process emit | 400 // to avoid double-counting segments when both browser and child process emit |
401 // them. In the special case of single-process-mode, this will be the only | 401 // them. In the special case of single-process-mode, this will be the only |
402 // dumper active and the single ownership edge will become a no-op in the UI. | 402 // dumper active and the single ownership edge will become a no-op in the UI. |
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437 ScopedVector<ScopedMemorySegment>::const_iterator it = | 437 ScopedVector<ScopedMemorySegment>::const_iterator it = |
438 std::find_if(memory_segments_.begin(), memory_segments_.end(), | 438 std::find_if(memory_segments_.begin(), memory_segments_.end(), |
439 [span](const ScopedMemorySegment* segment) { | 439 [span](const ScopedMemorySegment* segment) { |
440 return segment->ContainsSpan(span); | 440 return segment->ContainsSpan(span); |
441 }); | 441 }); |
442 DCHECK(it != memory_segments_.end()); | 442 DCHECK(it != memory_segments_.end()); |
443 return (*it)->CreateMemoryAllocatorDump(span, block_size_, name, pmd); | 443 return (*it)->CreateMemoryAllocatorDump(span, block_size_, name, pmd); |
444 } | 444 } |
445 | 445 |
446 } // namespace content | 446 } // namespace content |
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