hotspot/src/share/vm/gc_implementation/parallelScavenge/psGenerationCounters.hpp
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8031323: Optionally align objects copied to survivor spaces Reviewed-by: brutisso, tschatzl
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/*
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 * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSGENERATIONCOUNTERS_HPP
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#define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSGENERATIONCOUNTERS_HPP
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#include "gc_implementation/parallelScavenge/psVirtualspace.hpp"
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#include "gc_implementation/shared/generationCounters.hpp"
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#include "runtime/perfData.hpp"
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// A PSGenerationCounter is a holder class for performance counters
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// that track a generation
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class PSGenerationCounters: public GenerationCounters {
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  friend class VMStructs;
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 private:
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  PSVirtualSpace*      _ps_virtual_space;
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 public:
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  PSGenerationCounters(const char* name, int ordinal, int spaces,
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                     PSVirtualSpace* v);
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  void update_all() {
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    assert(_virtual_space == NULL, "Only one should be in use");
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    _current_size->set_value(_ps_virtual_space->committed_size());
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  }
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};
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#endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSGENERATIONCOUNTERS_HPP