hotspot/src/share/vm/runtime/commandLineFlagConstraintsGC.hpp
author sangheki
Wed, 02 Sep 2015 17:49:46 -0700
changeset 32613 73bec9f941d7
parent 32601 c5df671276bd
child 33144 c56850e328fc
permissions -rw-r--r--
8134972: [BACKOUT] GC: implement ranges (optionally constraints) for those flags that have them missing Reviewed-by: jwilhelm

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#ifndef SHARE_VM_RUNTIME_COMMANDLINEFLAGCONSTRAINTSGC_HPP
#define SHARE_VM_RUNTIME_COMMANDLINEFLAGCONSTRAINTSGC_HPP

#include "runtime/globals.hpp"
#include "utilities/globalDefinitions.hpp"

/*
 * Here we have GC arguments constraints functions, which are called automatically
 * whenever flag's value changes. If the constraint fails the function should return
 * an appropriate error value.
 */

Flag::Error YoungPLABSizeConstraintFunc(size_t value, bool verbose);

Flag::Error MinHeapFreeRatioConstraintFunc(uintx value, bool verbose);
Flag::Error MaxHeapFreeRatioConstraintFunc(uintx value, bool verbose);

Flag::Error MinMetaspaceFreeRatioConstraintFunc(uintx value, bool verbose);
Flag::Error MaxMetaspaceFreeRatioConstraintFunc(uintx value, bool verbose);

Flag::Error InitialTenuringThresholdConstraintFunc(uintx value, bool verbose);
Flag::Error MaxTenuringThresholdConstraintFunc(uintx value, bool verbose);

#if INCLUDE_ALL_GCS
Flag::Error G1NewSizePercentConstraintFunc(uintx value, bool verbose);
Flag::Error G1MaxNewSizePercentConstraintFunc(uintx value, bool verbose);
#endif // INCLUDE_ALL_GCS

Flag::Error CMSOldPLABMinConstraintFunc(size_t value, bool verbose);

Flag::Error CMSPrecleanDenominatorConstraintFunc(uintx value, bool verbose);
Flag::Error CMSPrecleanNumeratorConstraintFunc(uintx value, bool verbose);

Flag::Error SurvivorAlignmentInBytesConstraintFunc(intx value, bool verbose);

#endif /* SHARE_VM_RUNTIME_COMMANDLINEFLAGCONSTRAINTSGC_HPP */