| author | shade |
| Wed, 30 May 2018 10:47:43 +0200 | |
| branch | epsilon-gc-branch |
| changeset 56628 | 547ded4c0de6 |
| parent 56533 | 28a4f284ad83 |
| permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1997, 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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*/ |
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#ifndef SHARE_GC_SHARED_GC_GLOBALS_HPP |
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#define SHARE_GC_SHARED_GC_GLOBALS_HPP |
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#include "utilities/macros.hpp" |
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#if INCLUDE_CMSGC |
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#include "gc/cms/cms_globals.hpp" |
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#endif |
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#if INCLUDE_EPSILONGC |
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#include "gc/epsilon/epsilon_globals.hpp" |
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#endif |
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#if INCLUDE_G1GC |
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#include "gc/g1/g1_globals.hpp" |
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#endif |
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#if INCLUDE_PARALLELGC |
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#include "gc/parallel/parallel_globals.hpp" |
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#endif |
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#if INCLUDE_SERIALGC |
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#include "gc/serial/serial_globals.hpp" |
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#endif |
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#define GC_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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CMSGC_ONLY(GC_CMS_FLAGS( \ |
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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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EPSILONGC_ONLY(GC_EPSILON_FLAGS( \ |
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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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G1GC_ONLY(GC_G1_FLAGS( \ |
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develop, \ |
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develop_pd, \ |
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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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PARALLELGC_ONLY(GC_PARALLEL_FLAGS( \ |
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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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SERIALGC_ONLY(GC_SERIAL_FLAGS( \ |
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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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writeable)) \ |
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/* gc */ \ |
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product(bool, UseConcMarkSweepGC, false, \ |
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"Use Concurrent Mark-Sweep GC in the old generation") \ |
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product(bool, UseSerialGC, false, \ |
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"Use the Serial garbage collector") \ |
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product(bool, UseG1GC, false, \ |
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"Use the Garbage-First garbage collector") \ |
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product(bool, UseParallelGC, false, \ |
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"Use the Parallel Scavenge garbage collector") \ |
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product(bool, UseParallelOldGC, false, \ |
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"Use the Parallel Old garbage collector") \ |
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experimental(bool, UseEpsilonGC, false, \ |
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"Use the Epsilon (no-op) garbage collector") \ |
159 |
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product(uint, ParallelGCThreads, 0, \ |
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"Number of parallel threads parallel gc will use") \ |
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constraint(ParallelGCThreadsConstraintFunc,AfterErgo) \ |
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diagnostic(bool, UseSemaphoreGCThreadsSynchronization, true, \ |
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"Use semaphore synchronization for the GC Threads, " \ |
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"instead of synchronization based on mutexes") \ |
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product(bool, UseDynamicNumberOfGCThreads, true, \ |
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"Dynamically choose the number of threads up to a maximum of " \ |
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"ParallelGCThreads parallel collectors will use for garbage " \ |
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"collection work") \ |
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diagnostic(bool, InjectGCWorkerCreationFailure, false, \ |
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"Inject thread creation failures for " \ |
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"UseDynamicNumberOfGCThreads") \ |
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diagnostic(bool, ForceDynamicNumberOfGCThreads, false, \ |
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"Force dynamic selection of the number of " \ |
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"parallel threads parallel gc will use to aid debugging") \ |
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product(size_t, HeapSizePerGCThread, ScaleForWordSize(32*M), \ |
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"Size of heap (bytes) per GC thread used in calculating the " \ |
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"number of GC threads") \ |
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range((size_t)os::vm_page_size(), (size_t)max_uintx) \ |
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product(uint, ConcGCThreads, 0, \ |
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"Number of threads concurrent gc will use") \ |
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constraint(ConcGCThreadsConstraintFunc,AfterErgo) \ |
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product(uint, GCTaskTimeStampEntries, 200, \ |
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"Number of time stamp entries per gc worker thread") \ |
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range(1, max_jint) \ |
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product(bool, AlwaysTenure, false, \ |
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"Always tenure objects in eden (ParallelGC only)") \ |
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product(bool, NeverTenure, false, \ |
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"Never tenure objects in eden, may tenure on overflow " \ |
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"(ParallelGC only)") \ |
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product(bool, ScavengeBeforeFullGC, true, \ |
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202 |
"Scavenge youngest generation before each full GC.") \ |
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product(bool, ExplicitGCInvokesConcurrent, false, \ |
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"A System.gc() request invokes a concurrent collection; " \ |
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"(effective only when using concurrent collectors)") \ |
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product(bool, GCLockerInvokesConcurrent, false, \ |
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"The exit of a JNI critical section necessitating a scavenge, " \ |
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"also kicks off a background concurrent collection") \ |
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product(uintx, GCLockerEdenExpansionPercent, 5, \ |
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"How much the GC can expand the eden by while the GC locker " \ |
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"is active (as a percentage)") \ |
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range(0, 100) \ |
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diagnostic(uintx, GCLockerRetryAllocationCount, 2, \ |
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"Number of times to retry allocations when " \ |
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"blocked by the GC locker") \ |
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range(0, max_uintx) \ |
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product(uintx, ParallelGCBufferWastePct, 10, \ |
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"Wasted fraction of parallel allocation buffer") \ |
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range(0, 100) \ |
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product(uintx, TargetPLABWastePct, 10, \ |
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"Target wasted space in last buffer as percent of overall " \ |
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"allocation") \ |
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range(1, 100) \ |
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product(uintx, PLABWeight, 75, \ |
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"Percentage (0-100) used to weight the current sample when " \ |
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"computing exponentially decaying average for ResizePLAB") \ |
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range(0, 100) \ |
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product(bool, ResizePLAB, true, \ |
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"Dynamically resize (survivor space) promotion LAB's") \ |
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product(int, ParGCArrayScanChunk, 50, \ |
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"Scan a subset of object array and push remainder, if array is " \ |
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"bigger than this") \ |
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range(1, max_jint/3) \ |
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product(uintx, OldPLABWeight, 50, \ |
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"Percentage (0-100) used to weight the current sample when " \ |
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"computing exponentially decaying average for resizing " \ |
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"OldPLABSize") \ |
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range(0, 100) \ |
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product(bool, ResizeOldPLAB, true, \ |
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"Dynamically resize (old gen) promotion LAB's") \ |
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product(bool, AlwaysPreTouch, false, \ |
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"Force all freshly committed pages to be pre-touched") \ |
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product(size_t, PreTouchParallelChunkSize, 1 * G, \ |
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"Per-thread chunk size for parallel memory pre-touch.") \ |
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range(1, SIZE_MAX / 2) \ |
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/* where does the range max value of (max_jint - 1) come from? */ \ |
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product(size_t, MarkStackSizeMax, NOT_LP64(4*M) LP64_ONLY(512*M), \ |
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262 |
"Maximum size of marking stack") \ |
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263 |
range(1, (max_jint - 1)) \ |
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\ |
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product(size_t, MarkStackSize, NOT_LP64(32*K) LP64_ONLY(4*M), \ |
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"Size of marking stack") \ |
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267 |
constraint(MarkStackSizeConstraintFunc,AfterErgo) \ |
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\ |
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develop(bool, VerifyBlockOffsetArray, false, \ |
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270 |
"Do (expensive) block offset array verification") \ |
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\ |
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272 |
diagnostic(bool, BlockOffsetArrayUseUnallocatedBlock, false, \ |
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273 |
"Maintain _unallocated_block in BlockOffsetArray " \ |
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"(currently applicable only to CMS collector)") \ |
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\ |
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276 |
product(intx, RefDiscoveryPolicy, 0, \ |
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277 |
"Select type of reference discovery policy: " \ |
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"reference-based(0) or referent-based(1)") \ |
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range(ReferenceProcessor::DiscoveryPolicyMin, \ |
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ReferenceProcessor::DiscoveryPolicyMax) \ |
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281 |
\ |
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282 |
product(bool, ParallelRefProcEnabled, false, \ |
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|
283 |
"Enable parallel reference processing whenever possible") \ |
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284 |
\ |
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285 |
product(bool, ParallelRefProcBalancingEnabled, true, \ |
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|
286 |
"Enable balancing of reference processing queues") \ |
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287 |
\ |
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288 |
product(uintx, InitiatingHeapOccupancyPercent, 45, \ |
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289 |
"The percent occupancy (IHOP) of the current old generation " \ |
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290 |
"capacity above which a concurrent mark cycle will be initiated " \ |
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291 |
"Its value may change over time if adaptive IHOP is enabled, " \ |
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292 |
"otherwise the value remains constant. " \ |
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293 |
"In the latter case a value of 0 will result as frequent as " \ |
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294 |
"possible concurrent marking cycles. A value of 100 disables " \ |
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295 |
"concurrent marking. " \ |
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296 |
"Fragmentation waste in the old generation is not considered " \ |
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297 |
"free space in this calculation. (G1 collector only)") \ |
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298 |
range(0, 100) \ |
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299 |
\ |
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300 |
notproduct(bool, ScavengeALot, false, \ |
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301 |
"Force scavenge at every Nth exit from the runtime system " \ |
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302 |
"(N=ScavengeALotInterval)") \ |
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303 |
\ |
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304 |
develop(bool, FullGCALot, false, \ |
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305 |
"Force full gc at every Nth exit from the runtime system " \ |
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306 |
"(N=FullGCALotInterval)") \ |
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307 |
\ |
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308 |
notproduct(bool, GCALotAtAllSafepoints, false, \ |
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309 |
"Enforce ScavengeALot/GCALot at all potential safepoints") \ |
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310 |
\ |
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311 |
notproduct(bool, PromotionFailureALot, false, \ |
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312 |
"Use promotion failure handling on every youngest generation " \ |
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313 |
"collection") \ |
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314 |
\ |
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|
315 |
develop(uintx, PromotionFailureALotCount, 1000, \ |
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|
316 |
"Number of promotion failures occurring at PLAB " \ |
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317 |
"refill attempts (ParNew) or promotion attempts " \ |
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318 |
"(other young collectors)") \ |
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|
319 |
\ |
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|
320 |
develop(uintx, PromotionFailureALotInterval, 5, \ |
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|
321 |
"Total collections between promotion failures a lot") \ |
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322 |
\ |
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|
323 |
experimental(uintx, WorkStealingSleepMillis, 1, \ |
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|
324 |
"Sleep time when sleep is used for yields") \ |
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|
325 |
\ |
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|
326 |
experimental(uintx, WorkStealingYieldsBeforeSleep, 5000, \ |
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|
327 |
"Number of yields before a sleep is done during work stealing") \ |
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|
328 |
\ |
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|
329 |
experimental(uintx, WorkStealingHardSpins, 4096, \ |
|
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|
330 |
"Number of iterations in a spin loop between checks on " \ |
|
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|
331 |
"time out of hard spin") \ |
|
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|
332 |
\ |
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|
333 |
experimental(uintx, WorkStealingSpinToYieldRatio, 10, \ |
|
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|
334 |
"Ratio of hard spins to calls to yield") \ |
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|
335 |
\ |
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|
336 |
develop(uintx, ObjArrayMarkingStride, 2048, \ |
|
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|
337 |
"Number of object array elements to push onto the marking stack " \ |
|
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|
338 |
"before pushing a continuation entry") \ |
|
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|
339 |
\ |
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|
340 |
develop(bool, MetadataAllocationFailALot, false, \ |
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|
341 |
"Fail metadata allocations at intervals controlled by " \ |
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|
342 |
"MetadataAllocationFailALotInterval") \ |
|
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|
343 |
\ |
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|
344 |
develop(uintx, MetadataAllocationFailALotInterval, 1000, \ |
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|
345 |
"Metadata allocation failure a lot interval") \ |
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|
346 |
\ |
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|
347 |
notproduct(bool, ExecuteInternalVMTests, false, \ |
|
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|
348 |
"Enable execution of internal VM tests") \ |
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|
349 |
\ |
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|
350 |
notproduct(bool, VerboseInternalVMTests, false, \ |
|
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|
351 |
"Turn on logging for internal VM tests.") \ |
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|
352 |
\ |
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|
353 |
product(bool, ExecutingUnitTests, false, \ |
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|
354 |
"Whether the JVM is running unit tests or not") \ |
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|
355 |
\ |
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|
356 |
product_pd(bool, UseTLAB, "Use thread-local object allocation") \ |
|
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|
357 |
\ |
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|
358 |
product_pd(bool, ResizeTLAB, \ |
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|
359 |
"Dynamically resize TLAB size for threads") \ |
|
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|
360 |
\ |
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|
361 |
product(bool, ZeroTLAB, false, \ |
|
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|
362 |
"Zero out the newly created TLAB") \ |
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|
363 |
\ |
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|
364 |
product(bool, TLABStats, true, \ |
|
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|
365 |
"Provide more detailed and expensive TLAB statistics.") \ |
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|
366 |
\ |
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|
367 |
product_pd(bool, NeverActAsServerClassMachine, \ |
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|
368 |
"Never act like a server-class machine") \ |
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|
369 |
\ |
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|
370 |
product(bool, AlwaysActAsServerClassMachine, false, \ |
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|
371 |
"Always act like a server-class machine") \ |
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|
372 |
\ |
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|
373 |
product_pd(uint64_t, MaxRAM, \ |
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|
374 |
"Real memory size (in bytes) used to set maximum heap size") \ |
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|
375 |
range(0, 0XFFFFFFFFFFFFFFFF) \ |
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|
376 |
\ |
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|
377 |
product(bool, AggressiveHeap, false, \ |
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|
378 |
"Optimize heap options for long-running memory intensive apps") \ |
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|
379 |
\ |
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|
380 |
product(size_t, ErgoHeapSizeLimit, 0, \ |
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|
381 |
"Maximum ergonomically set heap size (in bytes); zero means use " \ |
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|
382 |
"MaxRAM * MaxRAMPercentage / 100") \ |
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|
383 |
range(0, max_uintx) \ |
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|
384 |
\ |
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|
385 |
product(uintx, MaxRAMFraction, 4, \ |
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|
386 |
"Maximum fraction (1/n) of real memory used for maximum heap " \ |
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|
387 |
"size. " \ |
|
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|
388 |
"Deprecated, use MaxRAMPercentage instead") \ |
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|
389 |
range(1, max_uintx) \ |
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|
390 |
\ |
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|
391 |
product(uintx, MinRAMFraction, 2, \ |
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|
392 |
"Minimum fraction (1/n) of real memory used for maximum heap " \ |
|
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|
393 |
"size on systems with small physical memory size. " \ |
|
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|
394 |
"Deprecated, use MinRAMPercentage instead") \ |
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changeset
|
395 |
range(1, max_uintx) \ |
|
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changeset
|
396 |
\ |
|
947560700a09
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parents:
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changeset
|
397 |
product(uintx, InitialRAMFraction, 64, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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parents:
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changeset
|
398 |
"Fraction (1/n) of real memory used for initial heap size. " \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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parents:
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changeset
|
399 |
"Deprecated, use InitialRAMPercentage instead") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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changeset
|
400 |
range(1, max_uintx) \ |
|
947560700a09
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changeset
|
401 |
\ |
|
947560700a09
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parents:
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changeset
|
402 |
product(double, MaxRAMPercentage, 25.0, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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parents:
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changeset
|
403 |
"Maximum percentage of real memory used for maximum heap size") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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changeset
|
404 |
range(0.0, 100.0) \ |
|
947560700a09
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changeset
|
405 |
\ |
|
947560700a09
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parents:
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changeset
|
406 |
product(double, MinRAMPercentage, 50.0, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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parents:
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changeset
|
407 |
"Minimum percentage of real memory used for maximum heap" \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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changeset
|
408 |
"size on systems with small physical memory size") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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changeset
|
409 |
range(0.0, 100.0) \ |
|
947560700a09
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changeset
|
410 |
\ |
|
947560700a09
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changeset
|
411 |
product(double, InitialRAMPercentage, 1.5625, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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changeset
|
412 |
"Percentage of real memory used for initial heap size") \ |
|
947560700a09
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changeset
|
413 |
range(0.0, 100.0) \ |
|
947560700a09
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changeset
|
414 |
\ |
|
947560700a09
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changeset
|
415 |
product(int, ActiveProcessorCount, -1, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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changeset
|
416 |
"Specify the CPU count the VM should use and report as active") \ |
|
947560700a09
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changeset
|
417 |
\ |
|
947560700a09
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changeset
|
418 |
develop(uintx, MaxVirtMemFraction, 2, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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changeset
|
419 |
"Maximum fraction (1/n) of virtual memory used for ergonomically "\ |
|
947560700a09
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changeset
|
420 |
"determining maximum heap size") \ |
|
947560700a09
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changeset
|
421 |
\ |
|
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changeset
|
422 |
product(bool, UseAdaptiveSizePolicy, true, \ |
|
947560700a09
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changeset
|
423 |
"Use adaptive generation sizing policies") \ |
|
947560700a09
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changeset
|
424 |
\ |
|
947560700a09
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changeset
|
425 |
product(bool, UsePSAdaptiveSurvivorSizePolicy, true, \ |
|
947560700a09
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changeset
|
426 |
"Use adaptive survivor sizing policies") \ |
|
947560700a09
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changeset
|
427 |
\ |
|
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changeset
|
428 |
product(bool, UseAdaptiveGenerationSizePolicyAtMinorCollection, true, \ |
|
947560700a09
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changeset
|
429 |
"Use adaptive young-old sizing policies at minor collections") \ |
|
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|
430 |
\ |
|
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changeset
|
431 |
product(bool, UseAdaptiveGenerationSizePolicyAtMajorCollection, true, \ |
|
947560700a09
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changeset
|
432 |
"Use adaptive young-old sizing policies at major collections") \ |
|
947560700a09
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changeset
|
433 |
\ |
|
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changeset
|
434 |
product(bool, UseAdaptiveSizePolicyWithSystemGC, false, \ |
|
947560700a09
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changeset
|
435 |
"Include statistics from System.gc() for adaptive size policy") \ |
|
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changeset
|
436 |
\ |
|
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changeset
|
437 |
product(bool, UseAdaptiveGCBoundary, false, \ |
|
947560700a09
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changeset
|
438 |
"Allow young-old boundary to move") \ |
|
947560700a09
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|
439 |
\ |
|
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changeset
|
440 |
develop(intx, PSAdaptiveSizePolicyResizeVirtualSpaceAlot, -1, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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changeset
|
441 |
"Resize the virtual spaces of the young or old generations") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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changeset
|
442 |
range(-1, 1) \ |
|
947560700a09
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changeset
|
443 |
\ |
|
947560700a09
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changeset
|
444 |
product(uintx, AdaptiveSizeThroughPutPolicy, 0, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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changeset
|
445 |
"Policy for changing generation size for throughput goals") \ |
|
947560700a09
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changeset
|
446 |
range(0, 1) \ |
|
947560700a09
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changeset
|
447 |
\ |
|
947560700a09
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changeset
|
448 |
product(uintx, AdaptiveSizePolicyInitializingSteps, 20, \ |
|
947560700a09
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changeset
|
449 |
"Number of steps where heuristics is used before data is used") \ |
|
947560700a09
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changeset
|
450 |
range(0, max_uintx) \ |
|
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changeset
|
451 |
\ |
|
947560700a09
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changeset
|
452 |
develop(uintx, AdaptiveSizePolicyReadyThreshold, 5, \ |
|
947560700a09
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changeset
|
453 |
"Number of collections before the adaptive sizing is started") \ |
|
947560700a09
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changeset
|
454 |
\ |
|
947560700a09
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changeset
|
455 |
product(uintx, AdaptiveSizePolicyOutputInterval, 0, \ |
|
947560700a09
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changeset
|
456 |
"Collection interval for printing information; zero means never") \ |
|
947560700a09
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changeset
|
457 |
range(0, max_uintx) \ |
|
947560700a09
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changeset
|
458 |
\ |
|
947560700a09
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changeset
|
459 |
product(bool, UseAdaptiveSizePolicyFootprintGoal, true, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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changeset
|
460 |
"Use adaptive minimum footprint as a goal") \ |
|
947560700a09
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changeset
|
461 |
\ |
|
947560700a09
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changeset
|
462 |
product(uintx, AdaptiveSizePolicyWeight, 10, \ |
|
947560700a09
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changeset
|
463 |
"Weight given to exponential resizing, between 0 and 100") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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changeset
|
464 |
range(0, 100) \ |
|
947560700a09
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changeset
|
465 |
\ |
|
947560700a09
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changeset
|
466 |
product(uintx, AdaptiveTimeWeight, 25, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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changeset
|
467 |
"Weight given to time in adaptive policy, between 0 and 100") \ |
|
947560700a09
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changeset
|
468 |
range(0, 100) \ |
|
947560700a09
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parents:
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changeset
|
469 |
\ |
|
947560700a09
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changeset
|
470 |
product(uintx, PausePadding, 1, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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changeset
|
471 |
"How much buffer to keep for pause time") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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changeset
|
472 |
range(0, max_juint) \ |
|
947560700a09
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changeset
|
473 |
\ |
|
947560700a09
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changeset
|
474 |
product(uintx, PromotedPadding, 3, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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changeset
|
475 |
"How much buffer to keep for promotion failure") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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changeset
|
476 |
range(0, max_juint) \ |
|
947560700a09
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changeset
|
477 |
\ |
|
947560700a09
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changeset
|
478 |
product(uintx, SurvivorPadding, 3, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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changeset
|
479 |
"How much buffer to keep for survivor overflow") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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changeset
|
480 |
range(0, max_juint) \ |
|
947560700a09
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changeset
|
481 |
\ |
|
947560700a09
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changeset
|
482 |
product(uintx, ThresholdTolerance, 10, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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changeset
|
483 |
"Allowed collection cost difference between generations") \ |
|
947560700a09
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changeset
|
484 |
range(0, 100) \ |
|
947560700a09
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parents:
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changeset
|
485 |
\ |
|
947560700a09
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changeset
|
486 |
product(uintx, AdaptiveSizePolicyCollectionCostMargin, 50, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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changeset
|
487 |
"If collection costs are within margin, reduce both by full " \ |
|
947560700a09
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changeset
|
488 |
"delta") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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parents:
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changeset
|
489 |
range(0, 100) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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parents:
diff
changeset
|
490 |
\ |
|
947560700a09
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changeset
|
491 |
product(uintx, YoungGenerationSizeIncrement, 20, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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changeset
|
492 |
"Adaptive size percentage change in young generation") \ |
|
947560700a09
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changeset
|
493 |
range(0, 100) \ |
|
947560700a09
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parents:
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changeset
|
494 |
\ |
|
947560700a09
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changeset
|
495 |
product(uintx, YoungGenerationSizeSupplement, 80, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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changeset
|
496 |
"Supplement to YoungedGenerationSizeIncrement used at startup") \ |
|
947560700a09
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changeset
|
497 |
range(0, 100) \ |
|
947560700a09
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parents:
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changeset
|
498 |
\ |
|
947560700a09
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changeset
|
499 |
product(uintx, YoungGenerationSizeSupplementDecay, 8, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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changeset
|
500 |
"Decay factor to YoungedGenerationSizeSupplement") \ |
|
947560700a09
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changeset
|
501 |
range(1, max_uintx) \ |
|
947560700a09
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changeset
|
502 |
\ |
|
947560700a09
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changeset
|
503 |
product(uintx, TenuredGenerationSizeIncrement, 20, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
504 |
"Adaptive size percentage change in tenured generation") \ |
|
947560700a09
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changeset
|
505 |
range(0, 100) \ |
|
947560700a09
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parents:
diff
changeset
|
506 |
\ |
|
947560700a09
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parents:
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changeset
|
507 |
product(uintx, TenuredGenerationSizeSupplement, 80, \ |
|
947560700a09
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diff
changeset
|
508 |
"Supplement to TenuredGenerationSizeIncrement used at startup") \ |
|
947560700a09
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changeset
|
509 |
range(0, 100) \ |
|
947560700a09
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parents:
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changeset
|
510 |
\ |
|
947560700a09
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parents:
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changeset
|
511 |
product(uintx, TenuredGenerationSizeSupplementDecay, 2, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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parents:
diff
changeset
|
512 |
"Decay factor to TenuredGenerationSizeIncrement") \ |
|
947560700a09
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changeset
|
513 |
range(1, max_uintx) \ |
|
947560700a09
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changeset
|
514 |
\ |
|
947560700a09
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parents:
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changeset
|
515 |
product(uintx, MaxGCPauseMillis, max_uintx - 1, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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parents:
diff
changeset
|
516 |
"Adaptive size policy maximum GC pause time goal in millisecond, "\ |
|
947560700a09
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diff
changeset
|
517 |
"or (G1 Only) the maximum GC time per MMU time slice") \ |
|
947560700a09
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changeset
|
518 |
range(1, max_uintx - 1) \ |
|
947560700a09
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changeset
|
519 |
constraint(MaxGCPauseMillisConstraintFunc,AfterErgo) \ |
|
947560700a09
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changeset
|
520 |
\ |
|
947560700a09
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parents:
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changeset
|
521 |
product(uintx, GCPauseIntervalMillis, 0, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
522 |
"Time slice for MMU specification") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
523 |
constraint(GCPauseIntervalMillisConstraintFunc,AfterErgo) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
524 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
525 |
product(uintx, MaxGCMinorPauseMillis, max_uintx, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
526 |
"Adaptive size policy maximum GC minor pause time goal " \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
527 |
"in millisecond") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
528 |
range(0, max_uintx) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
529 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
530 |
product(uintx, GCTimeRatio, 99, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
531 |
"Adaptive size policy application time to GC time ratio") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
532 |
range(0, max_juint) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
533 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
534 |
product(uintx, AdaptiveSizeDecrementScaleFactor, 4, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
535 |
"Adaptive size scale down factor for shrinking") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
536 |
range(1, max_uintx) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
537 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
538 |
product(bool, UseAdaptiveSizeDecayMajorGCCost, true, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
539 |
"Adaptive size decays the major cost for long major intervals") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
540 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
541 |
product(uintx, AdaptiveSizeMajorGCDecayTimeScale, 10, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
542 |
"Time scale over which major costs decay") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
543 |
range(0, max_uintx) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
544 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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parents:
diff
changeset
|
545 |
product(uintx, MinSurvivorRatio, 3, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
546 |
"Minimum ratio of young generation/survivor space size") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
547 |
range(3, max_uintx) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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parents:
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changeset
|
548 |
\ |
|
947560700a09
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parents:
diff
changeset
|
549 |
product(uintx, InitialSurvivorRatio, 8, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
550 |
"Initial ratio of young generation/survivor space size") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
551 |
range(0, max_uintx) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
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changeset
|
552 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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parents:
diff
changeset
|
553 |
product(size_t, BaseFootPrintEstimate, 256*M, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
554 |
"Estimate of footprint other than Java Heap") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
555 |
range(0, max_uintx) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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parents:
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changeset
|
556 |
\ |
|
947560700a09
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parents:
diff
changeset
|
557 |
product(bool, UseGCOverheadLimit, true, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
558 |
"Use policy to limit of proportion of time spent in GC " \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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parents:
diff
changeset
|
559 |
"before an OutOfMemory error is thrown") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
560 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
561 |
product(uintx, GCTimeLimit, 98, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
562 |
"Limit of the proportion of time spent in GC before " \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
563 |
"an OutOfMemoryError is thrown (used with GCHeapFreeLimit)") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
564 |
range(0, 100) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
565 |
\ |
|
947560700a09
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stefank
parents:
diff
changeset
|
566 |
product(uintx, GCHeapFreeLimit, 2, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
567 |
"Minimum percentage of free space after a full GC before an " \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
568 |
"OutOfMemoryError is thrown (used with GCTimeLimit)") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
569 |
range(0, 100) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
570 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
571 |
develop(uintx, AdaptiveSizePolicyGCTimeLimitThreshold, 5, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
572 |
"Number of consecutive collections before gc time limit fires") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
573 |
range(1, max_uintx) \ |
|
947560700a09
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stefank
parents:
diff
changeset
|
574 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
575 |
product(intx, PrefetchCopyIntervalInBytes, -1, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
576 |
"How far ahead to prefetch destination area (<= 0 means off)") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
577 |
range(-1, max_jint) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
578 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
579 |
product(intx, PrefetchScanIntervalInBytes, -1, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
580 |
"How far ahead to prefetch scan area (<= 0 means off)") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
581 |
range(-1, max_jint) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
582 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
583 |
product(intx, PrefetchFieldsAhead, -1, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
584 |
"How many fields ahead to prefetch in oop scan (<= 0 means off)") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
585 |
range(-1, max_jint) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
586 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
587 |
diagnostic(bool, VerifyDuringStartup, false, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
588 |
"Verify memory system before executing any Java code " \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
589 |
"during VM initialization") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
590 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
591 |
diagnostic(bool, VerifyBeforeExit, trueInDebug, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
592 |
"Verify system before exiting") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
593 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
594 |
diagnostic(bool, VerifyBeforeGC, false, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
595 |
"Verify memory system before GC") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
596 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
597 |
diagnostic(bool, VerifyAfterGC, false, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
598 |
"Verify memory system after GC") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
599 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
600 |
diagnostic(bool, VerifyDuringGC, false, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
601 |
"Verify memory system during GC (between phases)") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
602 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
603 |
diagnostic(ccstrlist, VerifyGCType, "", \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
604 |
"GC type(s) to verify when Verify*GC is enabled." \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
605 |
"Available types are collector specific.") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
606 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
607 |
diagnostic(ccstrlist, VerifySubSet, "", \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
608 |
"Memory sub-systems to verify when Verify*GC flag(s) " \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
609 |
"are enabled. One or more sub-systems can be specified " \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
610 |
"in a comma separated string. Sub-systems are: " \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
611 |
"threads, heap, symbol_table, string_table, codecache, " \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
612 |
"dictionary, classloader_data_graph, metaspace, jni_handles, " \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
613 |
"codecache_oops") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
614 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
615 |
diagnostic(bool, GCParallelVerificationEnabled, true, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
616 |
"Enable parallel memory system verification") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
617 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
618 |
diagnostic(bool, DeferInitialCardMark, false, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
619 |
"When +ReduceInitialCardMarks, explicitly defer any that " \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
620 |
"may arise from new_pre_store_barrier") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
621 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
622 |
product(bool, UseCondCardMark, false, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
623 |
"Check for already marked card before updating card table") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
624 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
625 |
diagnostic(bool, VerifyRememberedSets, false, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
626 |
"Verify GC remembered sets") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
627 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
628 |
diagnostic(bool, VerifyObjectStartArray, true, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
629 |
"Verify GC object start array if verify before/after") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
630 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
631 |
product(bool, DisableExplicitGC, false, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
632 |
"Ignore calls to System.gc()") \ |
|
947560700a09
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stefank
parents:
diff
changeset
|
633 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
634 |
product(bool, BindGCTaskThreadsToCPUs, false, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
635 |
"Bind GCTaskThreads to CPUs if possible") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
636 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
637 |
product(bool, UseGCTaskAffinity, false, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
638 |
"Use worker affinity when asking for GCTasks") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
639 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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parents:
diff
changeset
|
640 |
product(bool, PrintGC, false, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
641 |
"Print message at garbage collection. " \ |
|
947560700a09
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stefank
parents:
diff
changeset
|
642 |
"Deprecated, use -Xlog:gc instead.") \ |
|
947560700a09
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stefank
parents:
diff
changeset
|
643 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
644 |
product(bool, PrintGCDetails, false, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
645 |
"Print more details at garbage collection. " \ |
|
947560700a09
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stefank
parents:
diff
changeset
|
646 |
"Deprecated, use -Xlog:gc* instead.") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
647 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
648 |
develop(intx, ConcGCYieldTimeout, 0, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
649 |
"If non-zero, assert that GC threads yield within this " \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
650 |
"number of milliseconds") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
651 |
range(0, max_intx) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
652 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
653 |
notproduct(intx, ScavengeALotInterval, 1, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
654 |
"Interval between which scavenge will occur with +ScavengeALot") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
655 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
656 |
notproduct(intx, FullGCALotInterval, 1, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
657 |
"Interval between which full gc will occur with +FullGCALot") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
658 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
659 |
notproduct(intx, FullGCALotStart, 0, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
660 |
"For which invocation to start FullGCAlot") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
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parents:
diff
changeset
|
661 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
662 |
notproduct(intx, FullGCALotDummies, 32*K, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
663 |
"Dummy object allocated with +FullGCALot, forcing all objects " \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
664 |
"to move") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
665 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
666 |
/* gc parameters */ \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
667 |
product(size_t, InitialHeapSize, 0, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
668 |
"Initial heap size (in bytes); zero means use ergonomics") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
669 |
constraint(InitialHeapSizeConstraintFunc,AfterErgo) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
670 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
671 |
product(size_t, MaxHeapSize, ScaleForWordSize(96*M), \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
672 |
"Maximum heap size (in bytes)") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
673 |
constraint(MaxHeapSizeConstraintFunc,AfterErgo) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
674 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
675 |
product(size_t, OldSize, ScaleForWordSize(4*M), \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
676 |
"Initial tenured generation size (in bytes)") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
677 |
range(0, max_uintx) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
678 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
679 |
product(size_t, NewSize, ScaleForWordSize(1*M), \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
680 |
"Initial new generation size (in bytes)") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
681 |
constraint(NewSizeConstraintFunc,AfterErgo) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
682 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
683 |
product(size_t, MaxNewSize, max_uintx, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
684 |
"Maximum new generation size (in bytes), max_uintx means set " \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
685 |
"ergonomically") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
686 |
range(0, max_uintx) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
687 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
688 |
product_pd(size_t, HeapBaseMinAddress, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
689 |
"OS specific low limit for heap base address") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
690 |
constraint(HeapBaseMinAddressConstraintFunc,AfterErgo) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
691 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
692 |
product(size_t, PretenureSizeThreshold, 0, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
693 |
"Maximum size in bytes of objects allocated in DefNew " \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
694 |
"generation; zero means no maximum") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
695 |
range(0, max_uintx) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
696 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
697 |
product(size_t, MinTLABSize, 2*K, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
698 |
"Minimum allowed TLAB size (in bytes)") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
699 |
range(1, max_uintx/2) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
700 |
constraint(MinTLABSizeConstraintFunc,AfterMemoryInit) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
701 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
702 |
product(size_t, TLABSize, 0, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
703 |
"Starting TLAB size (in bytes); zero means set ergonomically") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
704 |
constraint(TLABSizeConstraintFunc,AfterMemoryInit) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
705 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
706 |
product(size_t, YoungPLABSize, 4096, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
707 |
"Size of young gen promotion LAB's (in HeapWords)") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
708 |
constraint(YoungPLABSizeConstraintFunc,AfterMemoryInit) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
709 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
710 |
product(size_t, OldPLABSize, 1024, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
711 |
"Size of old gen promotion LAB's (in HeapWords), or Number " \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
712 |
"of blocks to attempt to claim when refilling CMS LAB's") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
713 |
constraint(OldPLABSizeConstraintFunc,AfterMemoryInit) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
714 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
715 |
product(uintx, TLABAllocationWeight, 35, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
716 |
"Allocation averaging weight") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
717 |
range(0, 100) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
718 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
719 |
/* Limit the lower bound of this flag to 1 as it is used */ \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
720 |
/* in a division expression. */ \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
721 |
product(uintx, TLABWasteTargetPercent, 1, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
722 |
"Percentage of Eden that can be wasted") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
723 |
range(1, 100) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
724 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
725 |
product(uintx, TLABRefillWasteFraction, 64, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
726 |
"Maximum TLAB waste at a refill (internal fragmentation)") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
727 |
range(1, max_juint) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
728 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
729 |
product(uintx, TLABWasteIncrement, 4, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
730 |
"Increment allowed waste at slow allocation") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
731 |
range(0, max_jint) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
732 |
constraint(TLABWasteIncrementConstraintFunc,AfterMemoryInit) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
733 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
734 |
product(uintx, SurvivorRatio, 8, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
735 |
"Ratio of eden/survivor space size") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
736 |
range(1, max_uintx-2) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
737 |
constraint(SurvivorRatioConstraintFunc,AfterMemoryInit) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
738 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
739 |
product(uintx, NewRatio, 2, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
740 |
"Ratio of old/new generation sizes") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
741 |
range(0, max_uintx-1) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
742 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
743 |
product_pd(size_t, NewSizeThreadIncrease, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
744 |
"Additional size added to desired new generation size per " \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
745 |
"non-daemon thread (in bytes)") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
746 |
range(0, max_uintx) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
747 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
748 |
product(uintx, QueuedAllocationWarningCount, 0, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
749 |
"Number of times an allocation that queues behind a GC " \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
750 |
"will retry before printing a warning") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
751 |
range(0, max_uintx) \ |
|
947560700a09
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stefank
parents:
diff
changeset
|
752 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
753 |
diagnostic(uintx, VerifyGCStartAt, 0, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
754 |
"GC invoke count where +VerifyBefore/AfterGC kicks in") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
755 |
range(0, max_uintx) \ |
|
947560700a09
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stefank
parents:
diff
changeset
|
756 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
757 |
diagnostic(intx, VerifyGCLevel, 0, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
758 |
"Generation level at which to start +VerifyBefore/AfterGC") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
759 |
range(0, 1) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
760 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
761 |
product(uintx, MaxTenuringThreshold, 15, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
762 |
"Maximum value for tenuring threshold") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
763 |
range(0, markOopDesc::max_age + 1) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
764 |
constraint(MaxTenuringThresholdConstraintFunc,AfterErgo) \ |
|
947560700a09
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stefank
parents:
diff
changeset
|
765 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
766 |
product(uintx, InitialTenuringThreshold, 7, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
767 |
"Initial value for tenuring threshold") \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
768 |
range(0, markOopDesc::max_age + 1) \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
769 |
constraint(InitialTenuringThresholdConstraintFunc,AfterErgo) \ |
|
947560700a09
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stefank
parents:
diff
changeset
|
770 |
\ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
771 |
product(uintx, TargetSurvivorRatio, 50, \ |
|
947560700a09
8201136: Move GC flags from globals.hpp to GC specific files
stefank
parents:
diff
changeset
|
772 |
"Desired percentage of survivor space used after scavenge") \ |
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773 |
range(0, 100) \ |
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774 |
\ |
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775 |
product(uintx, MarkSweepDeadRatio, 5, \ |
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776 |
"Percentage (0-100) of the old gen allowed as dead wood. " \ |
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777 |
"Serial mark sweep treats this as both the minimum and maximum " \ |
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|
778 |
"value. " \ |
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|
779 |
"CMS uses this value only if it falls back to mark sweep. " \ |
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|
780 |
"Par compact uses a variable scale based on the density of the " \ |
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|
781 |
"generation and treats this as the maximum value when the heap " \ |
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782 |
"is either completely full or completely empty. Par compact " \ |
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783 |
"also has a smaller default value; see arguments.cpp.") \ |
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784 |
range(0, 100) \ |
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|
785 |
\ |
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786 |
product(uint, MarkSweepAlwaysCompactCount, 4, \ |
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787 |
"How often should we fully compact the heap (ignoring the dead " \ |
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788 |
"space parameters)") \ |
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|
789 |
range(1, max_juint) \ |
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|
790 |
\ |
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791 |
develop(uintx, GCExpandToAllocateDelayMillis, 0, \ |
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792 |
"Delay between expansion and allocation (in milliseconds)") \ |
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|
793 |
\ |
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794 |
product(uintx, GCDrainStackTargetSize, 64, \ |
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|
795 |
"Number of entries we will try to leave on the stack " \ |
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|
796 |
"during parallel gc") \ |
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|
797 |
range(0, max_juint) |
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|
798 |
|
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|
799 |
#endif // SHARE_GC_SHARED_GC_GLOBALS_HPP |