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/*
* 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"
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 _capacity;
size_t _used;
size_t _reserved;
public:
MetaspaceSizes() : _capacity(0), _used(0), _reserved(0) {}
MetaspaceSizes(size_t capacity, size_t used, size_t reserved) :
_capacity(capacity), _used(used), _reserved(reserved) {}
size_t capacity() const { return _capacity; }
size_t used() const { return _used; }
size_t reserved() const { return _reserved; }
};
class GCHeapSummary;
class PSHeapSummary;
class GCHeapSummaryVisitor {
public:
virtual void visit(const GCHeapSummary* heap_summary) const = 0;
virtual void visit(const PSHeapSummary* 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 MetaspaceSummary : public StackObj {
MetaspaceSizes _meta_space;
MetaspaceSizes _data_space;
MetaspaceSizes _class_space;
public:
MetaspaceSummary() : _meta_space(), _data_space(), _class_space() {}
MetaspaceSummary(const MetaspaceSizes& meta_space, const MetaspaceSizes& data_space, const MetaspaceSizes& class_space) :
_meta_space(meta_space), _data_space(data_space), _class_space(class_space) { }
const MetaspaceSizes& meta_space() const { return _meta_space; }
const MetaspaceSizes& data_space() const { return _data_space; }
const MetaspaceSizes& class_space() const { return _class_space; }
};
#endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GCHEAPSUMMARY_HPP
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