/* * Copyright (c) 1997, 2020, 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_GC_PARALLEL_PARALLEL_GLOBALS_HPP #define SHARE_GC_PARALLEL_PARALLEL_GLOBALS_HPP #define GC_PARALLEL_FLAGS(develop, \ develop_pd, \ product, \ product_pd, \ diagnostic, \ diagnostic_pd, \ experimental, \ notproduct, \ manageable, \ product_rw, \ lp64_product, \ range, \ constraint) \ product(uintx, HeapMaximumCompactionInterval, 20, \ "How often should we maximally compact the heap (not allowing " \ "any dead space)") \ range(0, max_uintx) \ \ product(uintx, HeapFirstMaximumCompactionCount, 3, \ "The collection count for the first maximum compaction") \ range(0, max_uintx) \ \ product(bool, UseMaximumCompactionOnSystemGC, true, \ "Use maximum compaction in the Parallel Old garbage collector " \ "for a system GC") \ \ product(size_t, ParallelOldDeadWoodLimiterMean, 50, \ "The mean used by the parallel compact dead wood " \ "limiter (a number between 0-100)") \ range(0, 100) \ \ product(size_t, ParallelOldDeadWoodLimiterStdDev, 80, \ "The standard deviation used by the parallel compact dead wood " \ "limiter (a number between 0-100)") \ range(0, 100) \ \ develop(uintx, GCWorkerDelayMillis, 0, \ "Delay in scheduling GC workers (in milliseconds)") \ \ product(bool, PSChunkLargeArrays, true, \ "Process large arrays in chunks") #endif // SHARE_GC_PARALLEL_PARALLEL_GLOBALS_HPP