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src/hotspot/share/gc/shenandoah/shenandoahSATBMarkQueueSet.cpp

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rev 53870 : imported patch shade-shenandoah-ptrqueue


  18  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  19  * or visit www.oracle.com if you need additional information or have any
  20  * questions.
  21  *
  22  */
  23 
  24 #include "precompiled.hpp"
  25 
  26 #include "gc/shenandoah/shenandoahHeap.inline.hpp"
  27 #include "gc/shenandoah/shenandoahSATBMarkQueueSet.hpp"
  28 #include "gc/shenandoah/shenandoahThreadLocalData.hpp"
  29 
  30 ShenandoahSATBMarkQueueSet::ShenandoahSATBMarkQueueSet() :
  31   _heap(NULL),
  32   _satb_mark_queue_buffer_allocator("SATB Buffer Allocator", ShenandoahSATBBufferSize)
  33 {}
  34 
  35 void ShenandoahSATBMarkQueueSet::initialize(ShenandoahHeap* const heap,
  36                                             Monitor* cbl_mon,
  37                                             int process_completed_threshold,
  38                                             uint buffer_enqueue_threshold_percentage,
  39                                             Mutex* lock) {
  40   SATBMarkQueueSet::initialize(cbl_mon,
  41                                &_satb_mark_queue_buffer_allocator,
  42                                process_completed_threshold,
  43                                buffer_enqueue_threshold_percentage,
  44                                lock);
  45   _heap = heap;
  46 }
  47 
  48 SATBMarkQueue& ShenandoahSATBMarkQueueSet::satb_queue_for_thread(JavaThread* const t) const {
  49   return ShenandoahThreadLocalData::satb_mark_queue(t);
  50 }
  51 
  52 template <bool RESOLVE>
  53 class ShenandoahSATBMarkQueueFilterFn {
  54   ShenandoahHeap* const _heap;
  55 
  56 public:
  57   ShenandoahSATBMarkQueueFilterFn(ShenandoahHeap* heap) : _heap(heap) {}
  58 
  59   // Return true if entry should be filtered out (removed), false if
  60   // it should be retained.
  61   bool operator()(const void* entry) const {
  62     return !_heap->requires_marking<RESOLVE>(entry);
  63   }
  64 };
  65 
  66 void ShenandoahSATBMarkQueueSet::filter(SATBMarkQueue* queue) {
  67   assert(_heap != NULL, "SATB queue set not initialized");
  68   if (_heap->has_forwarded_objects()) {




  18  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  19  * or visit www.oracle.com if you need additional information or have any
  20  * questions.
  21  *
  22  */
  23 
  24 #include "precompiled.hpp"
  25 
  26 #include "gc/shenandoah/shenandoahHeap.inline.hpp"
  27 #include "gc/shenandoah/shenandoahSATBMarkQueueSet.hpp"
  28 #include "gc/shenandoah/shenandoahThreadLocalData.hpp"
  29 
  30 ShenandoahSATBMarkQueueSet::ShenandoahSATBMarkQueueSet() :
  31   _heap(NULL),
  32   _satb_mark_queue_buffer_allocator("SATB Buffer Allocator", ShenandoahSATBBufferSize)
  33 {}
  34 
  35 void ShenandoahSATBMarkQueueSet::initialize(ShenandoahHeap* const heap,
  36                                             Monitor* cbl_mon,
  37                                             int process_completed_threshold,
  38                                             uint buffer_enqueue_threshold_percentage) {

  39   SATBMarkQueueSet::initialize(cbl_mon,
  40                                &_satb_mark_queue_buffer_allocator,
  41                                process_completed_threshold,
  42                                buffer_enqueue_threshold_percentage);

  43   _heap = heap;
  44 }
  45 
  46 SATBMarkQueue& ShenandoahSATBMarkQueueSet::satb_queue_for_thread(Thread* const t) const {
  47   return ShenandoahThreadLocalData::satb_mark_queue(t);
  48 }
  49 
  50 template <bool RESOLVE>
  51 class ShenandoahSATBMarkQueueFilterFn {
  52   ShenandoahHeap* const _heap;
  53 
  54 public:
  55   ShenandoahSATBMarkQueueFilterFn(ShenandoahHeap* heap) : _heap(heap) {}
  56 
  57   // Return true if entry should be filtered out (removed), false if
  58   // it should be retained.
  59   bool operator()(const void* entry) const {
  60     return !_heap->requires_marking<RESOLVE>(entry);
  61   }
  62 };
  63 
  64 void ShenandoahSATBMarkQueueSet::filter(SATBMarkQueue* queue) {
  65   assert(_heap != NULL, "SATB queue set not initialized");
  66   if (_heap->has_forwarded_objects()) {


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