/* * 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 #include "utilities/macros.hpp" #if INCLUDE_PARALLELGC #include "runtime/flags/jvmFlag.hpp" PRODUCT_FLAG(uintx, HeapMaximumCompactionInterval, 20, JVMFlag::RANGE, "How often should we maximally compact the heap (not allowing " "any dead space)"); FLAG_RANGE( HeapMaximumCompactionInterval, 0, max_uintx); PRODUCT_FLAG(uintx, HeapFirstMaximumCompactionCount, 3, JVMFlag::RANGE, "The collection count for the first maximum compaction"); FLAG_RANGE( HeapFirstMaximumCompactionCount, 0, max_uintx); PRODUCT_FLAG(bool, UseMaximumCompactionOnSystemGC, true, JVMFlag::DEFAULT, "Use maximum compaction in the Parallel Old garbage collector " "for a system GC"); PRODUCT_FLAG(size_t, ParallelOldDeadWoodLimiterMean, 50, JVMFlag::RANGE, "The mean used by the parallel compact dead wood " "limiter (a number between 0-100)"); FLAG_RANGE( ParallelOldDeadWoodLimiterMean, 0, 100); PRODUCT_FLAG(size_t, ParallelOldDeadWoodLimiterStdDev, 80, JVMFlag::RANGE, "The standard deviation used by the parallel compact dead wood " "limiter (a number between 0-100)"); FLAG_RANGE( ParallelOldDeadWoodLimiterStdDev, 0, 100); DEVELOP_FLAG(uintx, GCWorkerDelayMillis, 0, JVMFlag::DEFAULT, "Delay in scheduling GC workers (in milliseconds)"); PRODUCT_FLAG(bool, PSChunkLargeArrays, true, JVMFlag::DEFAULT, "Process large arrays in chunks"); #endif // INCLUDE_PARALLELGC #endif // SHARE_GC_PARALLEL_PARALLEL_GLOBALS_HPP