Mercurial > hg > jdk9-shenandoah > hotspot
view src/share/vm/gc/shenandoah/shenandoahCollectorPolicy.hpp @ 9753:82e2de7b5401
Merge
author | rkennke |
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date | Tue, 29 Sep 2015 18:47:52 +0200 |
parents | 04773a6b9229 |
children | edd77b2146e0 |
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/* Copyright 2014 Red Hat, Inc. and/or its affiliates. */ #ifndef SHARE_VM_GC_SHENANDOAH_SHENANDOAH_COLLECTOR_POLICY_HPP #define SHARE_VM_GC_SHENANDOAH_SHENANDOAH_COLLECTOR_POLICY_HPP #include "gc/shenandoah/shenandoahHeapRegion.hpp" #include "gc/shenandoah/shenandoahHeapRegionSet.hpp" #include "gc/shared/gcTrace.hpp" #include "gc/shared/gcTimer.hpp" #include "gc/shared/collectorPolicy.hpp" #include "runtime/arguments.hpp" #include "utilities/numberSeq.hpp" class ShenandoahHeap; class ShenandoahHeuristics; class ShenandoahCollectorPolicy: public CollectorPolicy { public: enum TimingPhase { init_mark, final_mark, rescan_roots, drain_satb, drain_queues, weakrefs, prepare_evac, init_evac, final_evac, final_uprefs, update_roots, recycle_regions, reset_bitmaps, resize_tlabs, full_gc, conc_mark, conc_evac, conc_uprefs, _num_phases }; private: struct TimingData { NumberSeq _ms; double _start; size_t _count; }; private: TimingData _timing_data[_num_phases]; const char* _phase_names[_num_phases]; size_t _user_requested_gcs; size_t _allocation_failure_gcs; ShenandoahHeap* _pgc; ShenandoahHeuristics* _heuristics; ShenandoahTracer* _tracer; STWGCTimer* _stw_timer; ConcurrentGCTimer* _conc_timer; bool _conc_gc_aborted; public: ShenandoahCollectorPolicy(); virtual ShenandoahCollectorPolicy* as_pgc_policy(); BarrierSet::Name barrier_set_name(); HeapWord* mem_allocate_work(size_t size, bool is_tlab, bool* gc_overhead_limit_was_exceeded); HeapWord* satisfy_failed_allocation(size_t size, bool is_tlab); void initialize_alignments(); void post_heap_initialize(); void record_phase_start(TimingPhase phase); void record_phase_end(TimingPhase phase); void report_concgc_cancelled(); void record_user_requested_gc(); void record_allocation_failure_gc(); void record_bytes_allocated(size_t bytes); void record_bytes_reclaimed(size_t bytes); void record_bytes_start_CM(size_t bytes); void record_bytes_end_CM(size_t bytes); bool should_start_concurrent_mark(size_t used, size_t capacity); void choose_collection_and_free_sets(ShenandoahHeapRegionSet* region_set, ShenandoahHeapRegionSet* collection_set, ShenandoahHeapRegionSet* free_set); bool update_refs_early(); void print_tracing_info(); GCTimer* conc_timer(){return _conc_timer;} GCTimer* stw_timer() {return _stw_timer;} ShenandoahTracer* tracer() {return _tracer;} void set_conc_gc_aborted() { _conc_gc_aborted = true;} void clear_conc_gc_aborted() {_conc_gc_aborted = false;} private: void print_summary_sd(const char* str, uint indent, const NumberSeq* seq); }; #endif // SHARE_VM_GC_SHENANDOAH_SHENANDOAH_COLLECTOR_POLICY_HPP