| /* |
| * Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef SHARE_VM_GC_SHARED_GCHEAPSUMMARY_HPP |
| #define SHARE_VM_GC_SHARED_GCHEAPSUMMARY_HPP |
| |
| #include "memory/allocation.hpp" |
| #include "memory/metaspaceChunkFreeListSummary.hpp" |
| |
| class VirtualSpaceSummary : public StackObj { |
| HeapWord* _start; |
| HeapWord* _committed_end; |
| HeapWord* _reserved_end; |
| public: |
| VirtualSpaceSummary() : |
| _start(NULL), _committed_end(NULL), _reserved_end(NULL) { } |
| VirtualSpaceSummary(HeapWord* start, HeapWord* committed_end, HeapWord* reserved_end) : |
| _start(start), _committed_end(committed_end), _reserved_end(reserved_end) { } |
| |
| HeapWord* start() const { return _start; } |
| HeapWord* committed_end() const { return _committed_end; } |
| HeapWord* reserved_end() const { return _reserved_end; } |
| size_t committed_size() const { return (uintptr_t)_committed_end - (uintptr_t)_start; } |
| size_t reserved_size() const { return (uintptr_t)_reserved_end - (uintptr_t)_start; } |
| }; |
| |
| class SpaceSummary : public StackObj { |
| HeapWord* _start; |
| HeapWord* _end; |
| size_t _used; |
| public: |
| SpaceSummary() : |
| _start(NULL), _end(NULL), _used(0) { } |
| SpaceSummary(HeapWord* start, HeapWord* end, size_t used) : |
| _start(start), _end(end), _used(used) { } |
| |
| HeapWord* start() const { return _start; } |
| HeapWord* end() const { return _end; } |
| size_t used() const { return _used; } |
| size_t size() const { return (uintptr_t)_end - (uintptr_t)_start; } |
| }; |
| |
| class MetaspaceSizes : public StackObj { |
| size_t _committed; |
| size_t _used; |
| size_t _reserved; |
| |
| public: |
| MetaspaceSizes() : _committed(0), _used(0), _reserved(0) {} |
| MetaspaceSizes(size_t committed, size_t used, size_t reserved) : |
| _committed(committed), _used(used), _reserved(reserved) {} |
| |
| size_t committed() const { return _committed; } |
| size_t used() const { return _used; } |
| size_t reserved() const { return _reserved; } |
| }; |
| |
| class GCHeapSummary; |
| class PSHeapSummary; |
| class G1HeapSummary; |
| |
| class GCHeapSummaryVisitor { |
| public: |
| virtual void visit(const GCHeapSummary* heap_summary) const = 0; |
| virtual void visit(const PSHeapSummary* heap_summary) const {} |
| virtual void visit(const G1HeapSummary* heap_summary) const {} |
| }; |
| |
| class GCHeapSummary : public StackObj { |
| VirtualSpaceSummary _heap; |
| size_t _used; |
| |
| public: |
| GCHeapSummary() : |
| _heap(), _used(0) { } |
| GCHeapSummary(VirtualSpaceSummary& heap_space, size_t used) : |
| _heap(heap_space), _used(used) { } |
| |
| const VirtualSpaceSummary& heap() const { return _heap; } |
| size_t used() const { return _used; } |
| |
| virtual void accept(GCHeapSummaryVisitor* visitor) const { |
| visitor->visit(this); |
| } |
| }; |
| |
| class PSHeapSummary : public GCHeapSummary { |
| VirtualSpaceSummary _old; |
| SpaceSummary _old_space; |
| VirtualSpaceSummary _young; |
| SpaceSummary _eden; |
| SpaceSummary _from; |
| SpaceSummary _to; |
| public: |
| PSHeapSummary(VirtualSpaceSummary& heap_space, size_t heap_used, VirtualSpaceSummary old, SpaceSummary old_space, VirtualSpaceSummary young, SpaceSummary eden, SpaceSummary from, SpaceSummary to) : |
| GCHeapSummary(heap_space, heap_used), _old(old), _old_space(old_space), _young(young), _eden(eden), _from(from), _to(to) { } |
| const VirtualSpaceSummary& old() const { return _old; } |
| const SpaceSummary& old_space() const { return _old_space; } |
| const VirtualSpaceSummary& young() const { return _young; } |
| const SpaceSummary& eden() const { return _eden; } |
| const SpaceSummary& from() const { return _from; } |
| const SpaceSummary& to() const { return _to; } |
| |
| virtual void accept(GCHeapSummaryVisitor* visitor) const { |
| visitor->visit(this); |
| } |
| }; |
| |
| class G1HeapSummary : public GCHeapSummary { |
| size_t _edenUsed; |
| size_t _edenCapacity; |
| size_t _survivorUsed; |
| uint _numberOfRegions; |
| public: |
| G1HeapSummary(VirtualSpaceSummary& heap_space, size_t heap_used, size_t edenUsed, size_t edenCapacity, size_t survivorUsed, uint numberOfRegions) : |
| GCHeapSummary(heap_space, heap_used), _edenUsed(edenUsed), _edenCapacity(edenCapacity), _survivorUsed(survivorUsed), _numberOfRegions(numberOfRegions) { } |
| const size_t edenUsed() const { return _edenUsed; } |
| const size_t edenCapacity() const { return _edenCapacity; } |
| const size_t survivorUsed() const { return _survivorUsed; } |
| const uint numberOfRegions() const { return _numberOfRegions; } |
| |
| virtual void accept(GCHeapSummaryVisitor* visitor) const { |
| visitor->visit(this); |
| } |
| }; |
| |
| class MetaspaceSummary : public StackObj { |
| size_t _capacity_until_GC; |
| MetaspaceSizes _meta_space; |
| MetaspaceSizes _data_space; |
| MetaspaceSizes _class_space; |
| MetaspaceChunkFreeListSummary _metaspace_chunk_free_list_summary; |
| MetaspaceChunkFreeListSummary _class_chunk_free_list_summary; |
| |
| public: |
| MetaspaceSummary() : |
| _capacity_until_GC(0), |
| _meta_space(), |
| _data_space(), |
| _class_space(), |
| _metaspace_chunk_free_list_summary(), |
| _class_chunk_free_list_summary() |
| {} |
| MetaspaceSummary(size_t capacity_until_GC, |
| const MetaspaceSizes& meta_space, |
| const MetaspaceSizes& data_space, |
| const MetaspaceSizes& class_space, |
| const MetaspaceChunkFreeListSummary& metaspace_chunk_free_list_summary, |
| const MetaspaceChunkFreeListSummary& class_chunk_free_list_summary) : |
| _capacity_until_GC(capacity_until_GC), |
| _meta_space(meta_space), |
| _data_space(data_space), |
| _class_space(class_space), |
| _metaspace_chunk_free_list_summary(metaspace_chunk_free_list_summary), |
| _class_chunk_free_list_summary(class_chunk_free_list_summary) |
| {} |
| |
| size_t capacity_until_GC() const { return _capacity_until_GC; } |
| const MetaspaceSizes& meta_space() const { return _meta_space; } |
| const MetaspaceSizes& data_space() const { return _data_space; } |
| const MetaspaceSizes& class_space() const { return _class_space; } |
| |
| const MetaspaceChunkFreeListSummary& metaspace_chunk_free_list_summary() const { |
| return _metaspace_chunk_free_list_summary; |
| } |
| |
| const MetaspaceChunkFreeListSummary& class_chunk_free_list_summary() const { |
| return _class_chunk_free_list_summary; |
| } |
| |
| }; |
| |
| class G1EvacSummary : public StackObj { |
| private: |
| size_t _allocated; // Total allocated |
| size_t _wasted; // of which wasted (internal fragmentation) |
| size_t _undo_wasted; // of which wasted on undo (is not used for calculation of PLAB size) |
| size_t _unused; // Unused in last buffer |
| size_t _used; |
| |
| size_t _region_end_waste; // Number of words wasted due to skipping to the next region. |
| uint _regions_filled; // Number of regions filled completely. |
| size_t _direct_allocated; // Number of words allocated directly into the regions. |
| |
| // Number of words in live objects remaining in regions that ultimately suffered an |
| // evacuation failure. This is used in the regions when the regions are made old regions. |
| size_t _failure_used; |
| // Number of words wasted in regions which failed evacuation. This is the sum of space |
| // for objects successfully copied out of the regions (now dead space) plus waste at the |
| // end of regions. |
| size_t _failure_waste; |
| public: |
| G1EvacSummary(size_t allocated, size_t wasted, size_t undo_wasted, size_t unused, |
| size_t used, size_t region_end_waste, uint regions_filled, size_t direct_allocated, |
| size_t failure_used, size_t failure_waste) : |
| _allocated(allocated), _wasted(wasted), _undo_wasted(undo_wasted), _unused(unused), |
| _used(used), _region_end_waste(region_end_waste), _regions_filled(regions_filled), |
| _direct_allocated(direct_allocated), _failure_used(failure_used), _failure_waste(failure_waste) |
| { } |
| |
| size_t allocated() const { return _allocated; } |
| size_t wasted() const { return _wasted; } |
| size_t undo_wasted() const { return _undo_wasted; } |
| size_t unused() const { return _unused; } |
| size_t used() const { return _used; } |
| size_t region_end_waste() const { return _region_end_waste; } |
| uint regions_filled() const { return _regions_filled; } |
| size_t direct_allocated() const { return _direct_allocated; } |
| size_t failure_used() const { return _failure_used; } |
| size_t failure_waste() const { return _failure_waste; } |
| }; |
| |
| #endif // SHARE_VM_GC_SHARED_GCHEAPSUMMARY_HPP |