| /* |
| * Copyright (c) 2015, 2025, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #include "gc/parallel/jvmFlagConstraintsParallel.hpp" |
| #include "gc/shared/gc_globals.hpp" |
| #include "runtime/globals.hpp" |
| #include "utilities/globalDefinitions.hpp" |
| |
| JVMFlag::Error InitialTenuringThresholdConstraintFuncParallel(uint value, bool verbose) { |
| // InitialTenuringThreshold is only used for ParallelGC. |
| if (UseParallelGC && (value > MaxTenuringThreshold)) { |
| JVMFlag::printError(verbose, |
| "InitialTenuringThreshold (%u) must be " |
| "less than or equal to MaxTenuringThreshold (%u)\n", |
| value, MaxTenuringThreshold); |
| return JVMFlag::VIOLATES_CONSTRAINT; |
| } |
| return JVMFlag::SUCCESS; |
| } |
| |
| JVMFlag::Error MaxTenuringThresholdConstraintFuncParallel(uint value, bool verbose) { |
| // As only ParallelGC uses InitialTenuringThreshold, |
| // we don't need to compare InitialTenuringThreshold with MaxTenuringThreshold. |
| if (UseParallelGC && (value < InitialTenuringThreshold)) { |
| JVMFlag::printError(verbose, |
| "MaxTenuringThreshold (%u) must be " |
| "greater than or equal to InitialTenuringThreshold (%u)\n", |
| value, InitialTenuringThreshold); |
| return JVMFlag::VIOLATES_CONSTRAINT; |
| } |
| |
| return JVMFlag::SUCCESS; |
| } |
