Mercurial > hg > graal-compiler
view src/share/vm/gc_implementation/parallelScavenge/asPSOldGen.hpp @ 6231:7e5976e66c62
7182543: NMT ON: Aggregate a few NMT related bugs
Summary: 1) Fixed MemTrackWorker::generations_in_used() calculation 2) Ensured NMT not to leak memory recorders after shutdown 3) Used ThreadCritical to block safepoint safe threads
Reviewed-by: acorn, coleenp, dholmes, kvn
author | zgu |
---|---|
date | Thu, 19 Jul 2012 09:05:42 -0400 |
parents | f95d63e2154a |
children | f99cd6e20ab1 |
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/* * Copyright (c) 2003, 2010, 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_PARALLELSCAVENGE_ASPSOLDGEN_HPP #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_ASPSOLDGEN_HPP #include "gc_implementation/parallelScavenge/objectStartArray.hpp" #include "gc_implementation/parallelScavenge/psOldGen.hpp" #include "gc_implementation/parallelScavenge/psVirtualspace.hpp" #include "gc_implementation/shared/generationCounters.hpp" #include "gc_implementation/shared/mutableSpace.hpp" #include "gc_implementation/shared/spaceCounters.hpp" class ASPSOldGen : public PSOldGen { friend class VMStructs; size_t _gen_size_limit; // Largest size the generation's reserved size // can grow. public: ASPSOldGen(size_t initial_byte_size, size_t minimum_byte_size, size_t byte_size_limit, const char* gen_name, int level); ASPSOldGen(PSVirtualSpace* vs, size_t initial_byte_size, size_t minimum_byte_size, size_t byte_size_limit, const char* gen_name, int level); size_t gen_size_limit() { return _gen_size_limit; } size_t max_gen_size() { return _reserved.byte_size(); } void set_gen_size_limit(size_t v) { _gen_size_limit = v; } // After a shrink or expand reset the generation void reset_after_change(); // Return number of bytes that the virtual space in the generation is willing // to expand or contract. The results from these methods should feed into the // decisions about adjusting the virtual space. size_t available_for_expansion(); size_t available_for_contraction(); // Accessors void set_reserved(MemRegion v) { _reserved = v; } // Debugging support virtual const char* short_name() const { return "ASPSOldGen"; } }; #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_ASPSOLDGEN_HPP