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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 #include "platform/heap/BlinkGCMemoryDumpProvider.h" | 5 #include "platform/heap/BlinkGCMemoryDumpProvider.h" |
6 | 6 |
7 #include "base/trace_event/heap_profiler_allocation_context_tracker.h" | 7 #include "base/trace_event/heap_profiler_allocation_context_tracker.h" |
8 #include "base/trace_event/heap_profiler_allocation_register.h" | 8 #include "base/trace_event/heap_profiler_allocation_register.h" |
9 #include "base/trace_event/memory_allocator_dump.h" | 9 #include "base/trace_event/memory_allocator_dump.h" |
10 #include "base/trace_event/process_memory_dump.h" | 10 #include "base/trace_event/process_memory_dump.h" |
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57 MemoryDumpLevelOfDetail levelOfDetail = args.level_of_detail; | 57 MemoryDumpLevelOfDetail levelOfDetail = args.level_of_detail; |
58 // In the case of a detailed dump perform a mark-only GC pass to collect | 58 // In the case of a detailed dump perform a mark-only GC pass to collect |
59 // more detailed stats. | 59 // more detailed stats. |
60 if (levelOfDetail == MemoryDumpLevelOfDetail::DETAILED) | 60 if (levelOfDetail == MemoryDumpLevelOfDetail::DETAILED) |
61 ThreadState::current()->collectGarbage(BlinkGC::NoHeapPointersOnStack, | 61 ThreadState::current()->collectGarbage(BlinkGC::NoHeapPointersOnStack, |
62 BlinkGC::TakeSnapshot, | 62 BlinkGC::TakeSnapshot, |
63 BlinkGC::ForcedGC); | 63 BlinkGC::ForcedGC); |
64 dumpMemoryTotals(memoryDump); | 64 dumpMemoryTotals(memoryDump); |
65 | 65 |
66 if (m_isHeapProfilingEnabled) { | 66 if (m_isHeapProfilingEnabled) { |
67 // Overhead should always be reported, regardless of light vs. heavy. | 67 MutexLocker locker(m_allocationRegisterMutex); |
68 base::trace_event::TraceEventMemoryOverhead overhead; | 68 memoryDump->DumpHeapUsage(*m_allocationRegister, "blink_gc"); |
69 base::hash_map<base::trace_event::AllocationContext, | |
70 base::trace_event::AllocationMetrics> | |
71 metricsByContext; | |
72 { | |
73 MutexLocker locker(m_allocationRegisterMutex); | |
74 if (levelOfDetail == MemoryDumpLevelOfDetail::DETAILED) { | |
75 for (const auto& allocSize : *m_allocationRegister) { | |
76 base::trace_event::AllocationMetrics& metrics = | |
77 metricsByContext[allocSize.context]; | |
78 metrics.size += allocSize.size; | |
79 metrics.count++; | |
80 } | |
81 } | |
82 m_allocationRegister->EstimateTraceMemoryOverhead(&overhead); | |
83 } | |
84 memoryDump->DumpHeapUsage(metricsByContext, overhead, "blink_gc"); | |
85 } | 69 } |
86 | 70 |
87 // Merge all dumps collected by ThreadHeap::collectGarbage. | 71 // Merge all dumps collected by ThreadHeap::collectGarbage. |
88 if (levelOfDetail == MemoryDumpLevelOfDetail::DETAILED) | 72 if (levelOfDetail == MemoryDumpLevelOfDetail::DETAILED) |
89 memoryDump->TakeAllDumpsFrom(m_currentProcessMemoryDump.get()); | 73 memoryDump->TakeAllDumpsFrom(m_currentProcessMemoryDump.get()); |
90 return true; | 74 return true; |
91 } | 75 } |
92 | 76 |
93 void BlinkGCMemoryDumpProvider::OnHeapProfilingEnabled(bool enabled) { | 77 void BlinkGCMemoryDumpProvider::OnHeapProfilingEnabled(bool enabled) { |
94 if (enabled) { | 78 if (enabled) { |
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138 m_allocationRegister->Insert(address, size, context); | 122 m_allocationRegister->Insert(address, size, context); |
139 } | 123 } |
140 | 124 |
141 void BlinkGCMemoryDumpProvider::remove(Address address) { | 125 void BlinkGCMemoryDumpProvider::remove(Address address) { |
142 MutexLocker locker(m_allocationRegisterMutex); | 126 MutexLocker locker(m_allocationRegisterMutex); |
143 if (m_allocationRegister) | 127 if (m_allocationRegister) |
144 m_allocationRegister->Remove(address); | 128 m_allocationRegister->Remove(address); |
145 } | 129 } |
146 | 130 |
147 } // namespace blink | 131 } // namespace blink |
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