73 lines
3.3 KiB
Java
73 lines
3.3 KiB
Java
/*
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* Copyright (c) 2016, 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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* @test
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* @bug 8060463
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* @summary Verify that objects promoted from eden space to survivor space
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* with large values for SurvivorAlignmentInBytes succeed.
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* @requires vm.opt.ExplicitGCInvokesConcurrent != true
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* @run main/othervm -Xmx128m
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* -XX:+UnlockExperimentalVMOptions
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* -XX:SurvivorAlignmentInBytes=8 -XX:SurvivorRatio=1
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* -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB
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* TestPromotionLABLargeSurvivorAlignment
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* @run main/othervm -Xmx128m
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* -XX:+UnlockExperimentalVMOptions
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* -XX:SurvivorAlignmentInBytes=16 -XX:SurvivorRatio=1
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* -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB
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* TestPromotionLABLargeSurvivorAlignment
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* @run main/othervm -Xmx128m
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* -XX:+UnlockExperimentalVMOptions
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* -XX:SurvivorAlignmentInBytes=512 -XX:SurvivorRatio=1
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* -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB
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* TestPromotionLABLargeSurvivorAlignment
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* @run main/othervm -Xmx128m
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* -XX:+UnlockExperimentalVMOptions
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* -XX:SurvivorAlignmentInBytes=1k -XX:SurvivorRatio=1
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* -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB
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* TestPromotionLABLargeSurvivorAlignment
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* @run main/othervm -Xmx128m
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* -XX:+UnlockExperimentalVMOptions
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* -XX:SurvivorAlignmentInBytes=4k -XX:SurvivorRatio=1
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* -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB
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* TestPromotionLABLargeSurvivorAlignment
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* @run main/othervm -Xmx128m
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* -XX:+UnlockExperimentalVMOptions
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* -XX:SurvivorAlignmentInBytes=16k -XX:SurvivorRatio=1
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* -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB
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* TestPromotionLABLargeSurvivorAlignment
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*/
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public class TestPromotionLABLargeSurvivorAlignment {
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public static void main(String args[]) {
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Object garbage[] = new Object[1000000];
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for (int i = 0; i < garbage.length; i++) {
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garbage[i] = new byte[0];
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}
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for (int i = 0; i < 2; i++) {
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System.gc();
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}
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}
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}
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