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view src/share/vm/gc_implementation/shenandoah/shenandoahCollectorPolicy.hpp @ 7467:b581d6e6b640 default tip
Improve counting of full GCs.
author | Roman Kennke <rkennke@redhat.com> |
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date | Fri, 13 Feb 2015 12:25:04 +0100 |
parents | 2868d01310a4 |
children |
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/* Copyright 2014 Red Hat, Inc. and/or its affiliates. */ #ifndef SHARE_VM_GC_IMPLEMENTATION_SHENANDOAH_SHENANDOAH_COLLECTOR_POLICY_HPP #define SHARE_VM_GC_IMPLEMENTATION_SHENANDOAH_SHENANDOAH_COLLECTOR_POLICY_HPP #include "gc_implementation/shenandoah/shenandoahHeapRegion.hpp" #include "gc_implementation/shenandoah/shenandoahHeapRegionSet.hpp" #include "memory/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_overflow, 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, _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; public: ShenandoahCollectorPolicy(); virtual ShenandoahCollectorPolicy* as_pgc_policy(); virtual ShenandoahCollectorPolicy::Name kind(); BarrierSet::Name barrier_set_name(); GenRemSet::Name rem_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 record_user_requested_gc(); void record_allocation_failure_gc(); void record_bytes_allocated(size_t bytes); void record_bytes_reclaimed(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); void print_tracing_info(); private: void print_summary_sd(const char* str, uint indent, const NumberSeq* seq); }; #endif // SHARE_VM_GC_IMPLEMENTATION_SHENANDOAH_SHENANDOAH_COLLECTOR_POLICY_HPP