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| 1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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/gc-idle-time-handler.h" | 5 #include "src/heap/gc-idle-time-handler.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/utils.h" | 9 #include "src/utils.h" | 
| 10 | 10 | 
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| 34     case DO_FULL_GC: | 34     case DO_FULL_GC: | 
| 35       PrintF("full GC"); | 35       PrintF("full GC"); | 
| 36       break; | 36       break; | 
| 37   } | 37   } | 
| 38 } | 38 } | 
| 39 | 39 | 
| 40 | 40 | 
| 41 void GCIdleTimeHeapState::Print() { | 41 void GCIdleTimeHeapState::Print() { | 
| 42   PrintF("contexts_disposed=%d ", contexts_disposed); | 42   PrintF("contexts_disposed=%d ", contexts_disposed); | 
| 43   PrintF("contexts_disposal_rate=%f ", contexts_disposal_rate); | 43   PrintF("contexts_disposal_rate=%f ", contexts_disposal_rate); | 
| 44   PrintF("size_of_objects=%" PRIuS " ", size_of_objects); | 44   PrintF("size_of_objects=%" V8_SIZET_PREFIX V8_PTR_PREFIX "d ", | 
|  | 45          size_of_objects); | 
| 45   PrintF("incremental_marking_stopped=%d ", incremental_marking_stopped); | 46   PrintF("incremental_marking_stopped=%d ", incremental_marking_stopped); | 
| 46 } | 47 } | 
| 47 | 48 | 
| 48 size_t GCIdleTimeHandler::EstimateMarkingStepSize( | 49 size_t GCIdleTimeHandler::EstimateMarkingStepSize( | 
| 49     double idle_time_in_ms, double marking_speed_in_bytes_per_ms) { | 50     double idle_time_in_ms, double marking_speed_in_bytes_per_ms) { | 
| 50   DCHECK(idle_time_in_ms > 0); | 51   DCHECK(idle_time_in_ms > 0); | 
| 51 | 52 | 
| 52   if (marking_speed_in_bytes_per_ms == 0) { | 53   if (marking_speed_in_bytes_per_ms == 0) { | 
| 53     marking_speed_in_bytes_per_ms = kInitialConservativeMarkingSpeed; | 54     marking_speed_in_bytes_per_ms = kInitialConservativeMarkingSpeed; | 
| 54   } | 55   } | 
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| 142   if (!FLAG_incremental_marking || heap_state.incremental_marking_stopped) { | 143   if (!FLAG_incremental_marking || heap_state.incremental_marking_stopped) { | 
| 143     return GCIdleTimeAction::Done(); | 144     return GCIdleTimeAction::Done(); | 
| 144   } | 145   } | 
| 145 | 146 | 
| 146   return GCIdleTimeAction::IncrementalStep(); | 147   return GCIdleTimeAction::IncrementalStep(); | 
| 147 } | 148 } | 
| 148 | 149 | 
| 149 | 150 | 
| 150 }  // namespace internal | 151 }  // namespace internal | 
| 151 }  // namespace v8 | 152 }  // namespace v8 | 
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