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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 <unordered_map> | 7 #include <unordered_map> |
8 | 8 |
9 #include "base/trace_event/heap_profiler_allocation_context_tracker.h" | 9 #include "base/trace_event/heap_profiler_allocation_context_tracker.h" |
10 #include "base/trace_event/heap_profiler_allocation_register.h" | 10 #include "base/trace_event/heap_profiler_allocation_register.h" |
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60 MemoryDumpLevelOfDetail level_of_detail = args.level_of_detail; | 60 MemoryDumpLevelOfDetail level_of_detail = args.level_of_detail; |
61 // In the case of a detailed dump perform a mark-only GC pass to collect | 61 // In the case of a detailed dump perform a mark-only GC pass to collect |
62 // more detailed stats. | 62 // more detailed stats. |
63 if (level_of_detail == MemoryDumpLevelOfDetail::DETAILED) | 63 if (level_of_detail == MemoryDumpLevelOfDetail::DETAILED) |
64 ThreadState::Current()->CollectGarbage(BlinkGC::kNoHeapPointersOnStack, | 64 ThreadState::Current()->CollectGarbage(BlinkGC::kNoHeapPointersOnStack, |
65 BlinkGC::kTakeSnapshot, | 65 BlinkGC::kTakeSnapshot, |
66 BlinkGC::kForcedGC); | 66 BlinkGC::kForcedGC); |
67 DumpMemoryTotals(memory_dump); | 67 DumpMemoryTotals(memory_dump); |
68 | 68 |
69 if (is_heap_profiling_enabled_) { | 69 if (is_heap_profiling_enabled_) { |
70 // Overhead should always be reported, regardless of light vs. heavy. | 70 MutexLocker locker(allocation_register_mutex_); |
71 base::trace_event::TraceEventMemoryOverhead overhead; | 71 memory_dump->DumpHeapUsage(*allocation_register_, "blink_gc"); |
72 std::unordered_map<base::trace_event::AllocationContext, | |
73 base::trace_event::AllocationMetrics> | |
74 metrics_by_context; | |
75 { | |
76 MutexLocker locker(allocation_register_mutex_); | |
77 if (level_of_detail == MemoryDumpLevelOfDetail::DETAILED) { | |
78 for (const auto& alloc_size : *allocation_register_) { | |
79 base::trace_event::AllocationMetrics& metrics = | |
80 metrics_by_context[alloc_size.context]; | |
81 metrics.size += alloc_size.size; | |
82 metrics.count++; | |
83 } | |
84 } | |
85 allocation_register_->EstimateTraceMemoryOverhead(&overhead); | |
86 } | |
87 memory_dump->DumpHeapUsage(metrics_by_context, overhead, "blink_gc"); | |
88 } | 72 } |
89 | 73 |
90 // Merge all dumps collected by ThreadHeap::collectGarbage. | 74 // Merge all dumps collected by ThreadHeap::collectGarbage. |
91 if (level_of_detail == MemoryDumpLevelOfDetail::DETAILED) | 75 if (level_of_detail == MemoryDumpLevelOfDetail::DETAILED) |
92 memory_dump->TakeAllDumpsFrom(current_process_memory_dump_.get()); | 76 memory_dump->TakeAllDumpsFrom(current_process_memory_dump_.get()); |
93 return true; | 77 return true; |
94 } | 78 } |
95 | 79 |
96 void BlinkGCMemoryDumpProvider::OnHeapProfilingEnabled(bool enabled) { | 80 void BlinkGCMemoryDumpProvider::OnHeapProfilingEnabled(bool enabled) { |
97 if (enabled) { | 81 if (enabled) { |
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141 allocation_register_->Insert(address, size, context); | 125 allocation_register_->Insert(address, size, context); |
142 } | 126 } |
143 | 127 |
144 void BlinkGCMemoryDumpProvider::Remove(Address address) { | 128 void BlinkGCMemoryDumpProvider::Remove(Address address) { |
145 MutexLocker locker(allocation_register_mutex_); | 129 MutexLocker locker(allocation_register_mutex_); |
146 if (allocation_register_) | 130 if (allocation_register_) |
147 allocation_register_->Remove(address); | 131 allocation_register_->Remove(address); |
148 } | 132 } |
149 | 133 |
150 } // namespace blink | 134 } // namespace blink |
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