/* * Copyright (c) 2018, 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_Z_ZFLAGS_HPP #define SHARE_GC_Z_ZFLAGS_HPP #include "runtime/globals.hpp" #define Z_FLAGS(develop, \ develop_pd, \ product, \ product_pd, \ diagnostic, \ diagnostic_pd, \ experimental, \ notproduct, \ manageable, \ product_rw, \ range, \ constraint, \ writeable) \ \ product(bool, UseZGC, false, \ "Use the Z garbage collector") \ \ product(ccstr, ZPath, NULL, \ "Filesystem path for Java heap backing storage " \ "(must be a tmpfs or a hugetlbfs filesystem)") \ \ product(double, ZAllocationSpikeTolerance, 2.0, \ "Allocation spike tolerance factor") \ \ product(double, ZFragmentationLimit, 25.0, \ "Maximum allowed heap fragmentation") \ \ product(bool, ZStallOnOutOfMemory, true, \ "Allow Java threads to stall and wait for GC to complete " \ "instead of immediately throwing an OutOfMemoryError") \ \ product(uint, ZCollectionInterval, 0, \ "Time between GCs (in seconds)") \ \ product(uint, ZStatisticsInterval, 10, \ "Time between statistics print outs (in seconds)") \ range(1, (uint)-1) \ \ product(bool, ZStatisticsForceTrace, false, \ "Force tracing of ZStats") \ \ product(bool, ZUnmapBadViews, false, \ "Unmap bad address views (for debugging only)") \ \ product(bool, ZVerifyMarking, false, \ "Verify marking stacks (for debugging only)") \ \ product(bool, ZVerifyForwarding, false, \ "Verify forwarding tables (for debugging only)") \ \ product(bool, ZWeakRoots, true, \ "Treat JNI WeakGlobalRefs and StringTable as weak roots " \ "(for debugging only)") \ \ product(bool, ZConcurrentJNIWeakGlobalHandles, true, \ "Clean JNI WeakGlobalRefs concurrently (for debugging only)") \ \ product(size_t, ZMarkStacksMax, NOT_LP64(512*M) LP64_ONLY(8*G), \ "Maximum number of bytes allocated for marking stacks") \ range(32*M, NOT_LP64(512*M) LP64_ONLY(1024*G)) \ Z_FLAGS(DECLARE_DEVELOPER_FLAG, \ DECLARE_PD_DEVELOPER_FLAG, \ DECLARE_PRODUCT_FLAG, \ DECLARE_PD_PRODUCT_FLAG, \ DECLARE_DIAGNOSTIC_FLAG, \ DECLARE_PD_DIAGNOSTIC_FLAG, \ DECLARE_EXPERIMENTAL_FLAG, \ DECLARE_NOTPRODUCT_FLAG, \ DECLARE_MANAGEABLE_FLAG, \ DECLARE_PRODUCT_RW_FLAG, \ IGNORE_RANGE, \ IGNORE_CONSTRAINT, \ IGNORE_WRITEABLE) #endif // SHARE_GC_Z_ZFLAGS_HPP