| author | eosterlund |
| Thu, 30 Aug 2018 08:59:23 +0200 | |
| changeset 51587 | b459c731901b |
| parent 51405 | 8b23aa7cef47 |
| child 51590 | 3aaf039a3636 |
| permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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#ifndef SHARE_GC_Z_Z_GLOBALS_HPP |
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#define SHARE_GC_Z_Z_GLOBALS_HPP |
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#define GC_Z_FLAGS(develop, \ |
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develop_pd, \ |
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product, \ |
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product_pd, \ |
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diagnostic, \ |
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diagnostic_pd, \ |
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experimental, \ |
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notproduct, \ |
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manageable, \ |
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product_rw, \ |
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lp64_product, \ |
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range, \ |
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constraint, \ |
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writeable) \ |
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\ |
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product(ccstr, ZPath, NULL, \ |
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"Filesystem path for Java heap backing storage " \ |
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"(must be a tmpfs or a hugetlbfs filesystem)") \ |
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\ |
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product(double, ZAllocationSpikeTolerance, 2.0, \ |
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"Allocation spike tolerance factor") \ |
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\ |
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product(double, ZFragmentationLimit, 25.0, \ |
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"Maximum allowed heap fragmentation") \ |
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\ |
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product(bool, ZStallOnOutOfMemory, true, \ |
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"Allow Java threads to stall and wait for GC to complete " \ |
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"instead of immediately throwing an OutOfMemoryError") \ |
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\ |
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product(size_t, ZMarkStackSpaceLimit, 8*G, \ |
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"Maximum number of bytes allocated for mark stacks") \ |
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range(32*M, 1024*G) \ |
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\ |
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product(uint, ZCollectionInterval, 0, \ |
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"Force GC at a fixed time interval (in seconds)") \ |
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\ |
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product(uint, ZStatisticsInterval, 10, \ |
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"Time between statistics print outs (in seconds)") \ |
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range(1, (uint)-1) \ |
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\ |
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diagnostic(bool, ZStatisticsForceTrace, false, \ |
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"Force tracing of ZStats") \ |
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diagnostic(bool, ZProactive, true, \ |
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"Enable proactive GC cycles") \ |
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diagnostic(bool, ZUnmapBadViews, false, \ |
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"Unmap bad (inactive) heap views") \ |
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diagnostic(bool, ZVerifyMarking, false, \ |
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"Verify marking stacks") \ |
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diagnostic(bool, ZVerifyForwarding, false, \ |
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"Verify forwarding tables") \ |
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diagnostic(bool, ZWeakRoots, true, \ |
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"Treat JNI WeakGlobalRefs and StringTable as weak roots") \ |
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diagnostic(bool, ZOptimizeLoadBarriers, true, \ |
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"Apply load barrier optimizations") \ |
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develop(bool, ZVerifyLoadBarriers, false, \ |
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"Verify that reference loads are followed by barriers") |
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#endif // SHARE_GC_Z_Z_GLOBALS_HPP |