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1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 the V8 project 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 "src/heap/memory-reducer.h" | 5 #include "src/heap/memory-reducer.h" |
6 | 6 |
7 #include "src/flags.h" | 7 #include "src/flags.h" |
8 #include "src/heap/gc-tracer.h" | 8 #include "src/heap/gc-tracer.h" |
9 #include "src/heap/heap-inl.h" | 9 #include "src/heap/heap-inl.h" |
10 #include "src/utils.h" | 10 #include "src/utils.h" |
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60 } | 60 } |
61 } else if (state_.action == kWait) { | 61 } else if (state_.action == kWait) { |
62 if (!heap()->incremental_marking()->IsStopped() && | 62 if (!heap()->incremental_marking()->IsStopped() && |
63 heap()->ShouldOptimizeForMemoryUsage()) { | 63 heap()->ShouldOptimizeForMemoryUsage()) { |
64 // Make progress with pending incremental marking if memory usage has | 64 // Make progress with pending incremental marking if memory usage has |
65 // higher priority than latency. This is important for background tabs | 65 // higher priority than latency. This is important for background tabs |
66 // that do not send idle notifications. | 66 // that do not send idle notifications. |
67 const int kIncrementalMarkingDelayMs = 500; | 67 const int kIncrementalMarkingDelayMs = 500; |
68 double deadline = heap()->MonotonicallyIncreasingTimeInMs() + | 68 double deadline = heap()->MonotonicallyIncreasingTimeInMs() + |
69 kIncrementalMarkingDelayMs; | 69 kIncrementalMarkingDelayMs; |
70 heap()->AdvanceIncrementalMarking( | 70 heap()->incremental_marking()->AdvanceIncrementalMarking( |
71 0, deadline, i::IncrementalMarking::StepActions( | 71 0, deadline, i::IncrementalMarking::StepActions( |
72 i::IncrementalMarking::NO_GC_VIA_STACK_GUARD, | 72 i::IncrementalMarking::NO_GC_VIA_STACK_GUARD, |
73 i::IncrementalMarking::FORCE_MARKING, | 73 i::IncrementalMarking::FORCE_MARKING, |
74 i::IncrementalMarking::FORCE_COMPLETION)); | 74 i::IncrementalMarking::FORCE_COMPLETION)); |
75 heap()->FinalizeIncrementalMarkingIfComplete( | 75 heap()->FinalizeIncrementalMarkingIfComplete( |
76 "Memory reducer: finalize incremental marking"); | 76 "Memory reducer: finalize incremental marking"); |
77 } | 77 } |
78 // Re-schedule the timer. | 78 // Re-schedule the timer. |
79 ScheduleTimer(state_.next_gc_start_ms - event.time_ms); | 79 ScheduleTimer(state_.next_gc_start_ms - event.time_ms); |
80 if (FLAG_trace_gc_verbose) { | 80 if (FLAG_trace_gc_verbose) { |
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220 auto timer_task = new MemoryReducer::TimerTask(this); | 220 auto timer_task = new MemoryReducer::TimerTask(this); |
221 V8::GetCurrentPlatform()->CallDelayedOnForegroundThread( | 221 V8::GetCurrentPlatform()->CallDelayedOnForegroundThread( |
222 isolate, timer_task, (delay_ms + kSlackMs) / 1000.0); | 222 isolate, timer_task, (delay_ms + kSlackMs) / 1000.0); |
223 } | 223 } |
224 | 224 |
225 | 225 |
226 void MemoryReducer::TearDown() { state_ = State(kDone, 0, 0, 0.0); } | 226 void MemoryReducer::TearDown() { state_ = State(kDone, 0, 0, 0.0); } |
227 | 227 |
228 } // internal | 228 } // internal |
229 } // v8 | 229 } // v8 |
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