1 /* 2 * Copyright (c) 2015, 2020, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef SHARE_GC_SHARED_JVMFLAGCONSTRAINTSGC_HPP 26 #define SHARE_GC_SHARED_JVMFLAGCONSTRAINTSGC_HPP 27 28 #include "runtime/flags/jvmFlag.hpp" 29 #include "utilities/globalDefinitions.hpp" 30 #include "utilities/macros.hpp" 31 #if INCLUDE_G1GC 32 #include "gc/g1/jvmFlagConstraintsG1.hpp" 33 #endif 34 #if INCLUDE_PARALLELGC 35 #include "gc/parallel/jvmFlagConstraintsParallel.hpp" 36 #endif 37 38 /* 39 * Here we have GC arguments constraints functions, which are called automatically 40 * whenever flag's value changes. If the constraint fails the function should return 41 * an appropriate error value. 42 */ 43 #define SHARED_GC_CONSTRAINTS(f) \ 44 f(uint, ParallelGCThreadsConstraintFunc) \ 45 f(uint, ConcGCThreadsConstraintFunc) \ 46 f(size_t, YoungPLABSizeConstraintFunc) \ 47 f(size_t, OldPLABSizeConstraintFunc) \ 48 f(uintx, MinHeapFreeRatioConstraintFunc) \ 49 f(uintx, MaxHeapFreeRatioConstraintFunc) \ 50 f(intx, SoftRefLRUPolicyMSPerMBConstraintFunc) \ 51 f(size_t, MarkStackSizeConstraintFunc) \ 52 f(uintx, MinMetaspaceFreeRatioConstraintFunc) \ 53 f(uintx, MaxMetaspaceFreeRatioConstraintFunc) \ 54 f(uintx, InitialTenuringThresholdConstraintFunc) \ 55 f(uintx, MaxTenuringThresholdConstraintFunc) \ 56 \ 57 f(uintx, MaxGCPauseMillisConstraintFunc) \ 58 f(uintx, GCPauseIntervalMillisConstraintFunc) \ 59 f(size_t, MinHeapSizeConstraintFunc) \ 60 f(size_t, InitialHeapSizeConstraintFunc) \ 61 f(size_t, MaxHeapSizeConstraintFunc) \ 62 f(size_t, SoftMaxHeapSizeConstraintFunc) \ 63 f(size_t, HeapBaseMinAddressConstraintFunc) \ 64 f(size_t, NewSizeConstraintFunc) \ 65 f(size_t, MinTLABSizeConstraintFunc) \ 66 f(size_t, TLABSizeConstraintFunc) \ 67 f(uintx, TLABWasteIncrementConstraintFunc) \ 68 f(uintx, SurvivorRatioConstraintFunc) \ 69 f(size_t, MetaspaceSizeConstraintFunc) \ 70 f(size_t, MaxMetaspaceSizeConstraintFunc) 71 72 SHARED_GC_CONSTRAINTS(DECLARE_CONSTRAINT) 73 74 JVMFlag::Error MaxPLABSizeBounds(const char* name, size_t value, bool verbose); 75 76 #define GC_CONSTRAINTS(f) \ 77 SHARED_GC_CONSTRAINTS(f) \ 78 G1GC_ONLY(G1_GC_CONSTRAINTS(f)) \ 79 PARALLELGC_ONLY(PARALLEL_GC_CONSTRAINTS(f)) 80 81 #endif // SHARE_GC_SHARED_JVMFLAGCONSTRAINTSGC_HPP 82