hotspot/src/share/vm/runtime/commandLineFlagConstraintsGC.hpp
author sangheki
Mon, 27 Jul 2015 13:56:26 -0700
changeset 31995 aa4049b4184a
parent 31371 311143309e73
child 32351 1da9b960b3d4
permissions -rw-r--r--
8130459: Add additional validation after heap creation Summary: Some PLAB related flags' validation can happen after heap creation. Introduced additional stage of validation check. Reviewed-by: coleenp, dholmes, kbarrett, gziemski, ecaspole, ddmitriev
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/*
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 * Copyright (c) 2015, 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_RUNTIME_COMMANDLINEFLAGCONSTRAINTSGC_HPP
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#define SHARE_VM_RUNTIME_COMMANDLINEFLAGCONSTRAINTSGC_HPP
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#include "runtime/globals.hpp"
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#include "utilities/globalDefinitions.hpp"
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/*
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 * Here we have GC arguments constraints functions, which are called automatically
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 * whenever flag's value changes. If the constraint fails the function should return
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 * an appropriate error value.
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 */
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Flag::Error YoungPLABSizeConstraintFunc(bool verbose, size_t* value);
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Flag::Error MinHeapFreeRatioConstraintFunc(bool verbose, uintx* value);
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Flag::Error MaxHeapFreeRatioConstraintFunc(bool verbose, uintx* value);
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Flag::Error MinMetaspaceFreeRatioConstraintFunc(bool verbose, uintx* value);
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Flag::Error MaxMetaspaceFreeRatioConstraintFunc(bool verbose, uintx* value);
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Flag::Error InitialTenuringThresholdConstraintFunc(bool verbose, uintx* value);
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Flag::Error MaxTenuringThresholdConstraintFunc(bool verbose, uintx* value);
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#if INCLUDE_ALL_GCS
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Flag::Error G1NewSizePercentConstraintFunc(bool verbose, uintx* value);
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Flag::Error G1MaxNewSizePercentConstraintFunc(bool verbose, uintx* value);
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#endif // INCLUDE_ALL_GCS
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Flag::Error CMSOldPLABMinConstraintFunc(bool verbose, size_t* value);
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Flag::Error CMSPrecleanDenominatorConstraintFunc(bool verbose, uintx* value);
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Flag::Error CMSPrecleanNumeratorConstraintFunc(bool verbose, uintx* value);
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Flag::Error SurvivorAlignmentInBytesConstraintFunc(bool verbose, intx* value);
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#endif /* SHARE_VM_RUNTIME_COMMANDLINEFLAGCONSTRAINTSGC_HPP */