jdk8-mips64-public/hotspot: src/share/vm/gc_implementation/shared/gcHeapSummary.hpp@fd44df5e3bc3 (annotated)

src/share/vm/gc_implementation/shared/gcHeapSummary.hpp@fd44df5e3bc3 (annotated)

src/share/vm/gc_implementation/shared/gcHeapSummary.hpp

Wed, 14 Oct 2020 17:44:48 +0800

author: aoqi
date: Wed, 14 Oct 2020 17:44:48 +0800
changeset 9931: fd44df5e3bc3
parent 6876: 710a3c8b516e
parent 9861: a248d0be1309
permissions: -rw-r--r--

Merge

 /*
  * Copyright (c) 2012, 2013, 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_IMPLEMENTATION_SHARED_GCHEAPSUMMARY_HPP
 #define SHARE_VM_GC_IMPLEMENTATION_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;
   }
 };
 #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GCHEAPSUMMARY_HPP

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/gc_implementation/shared/gcHeapSummary.hpp@fd44df5e3bc3 (annotated)

src/share/vm/gc_implementation/shared/gcHeapSummary.hpp