88 lines
4.5 KiB
Java
88 lines
4.5 KiB
Java
/*
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* Copyright (c) 2014, 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 8031323
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* @summary Verify that objects promoted from eden space to survivor space after
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* minor GC are aligned to SurvivorAlignmentInBytes.
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* @library /test/lib
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* @modules java.base/jdk.internal.misc
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* java.management
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* @build sun.hotspot.WhiteBox
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* @run main ClassFileInstaller sun.hotspot.WhiteBox
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* sun.hotspot.WhiteBox$WhiteBoxPermission
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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* -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
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* -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
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* -XX:SurvivorAlignmentInBytes=32 -XX:OldSize=128m
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* -XX:MaxHeapSize=256m -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB
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* TestPromotionToSurvivor 10m 9 SURVIVOR
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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* -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
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* -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
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* -XX:SurvivorAlignmentInBytes=32 -XX:OldSize=128m
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* -XX:MaxHeapSize=256m -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB
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* TestPromotionToSurvivor 20m 47 SURVIVOR
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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* -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
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* -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
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* -XX:SurvivorAlignmentInBytes=64 -XX:OldSize=128m
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* -XX:MaxHeapSize=256m -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB
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* TestPromotionToSurvivor 8m 9 SURVIVOR
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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* -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
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* -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
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* -XX:SurvivorAlignmentInBytes=64 -XX:OldSize=128m
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* -XX:MaxHeapSize=256m -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB
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* TestPromotionToSurvivor 20m 87 SURVIVOR
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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* -XX:+WhiteBoxAPI -XX:NewSize=256m -XX:MaxNewSize=256m
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* -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
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* -XX:SurvivorAlignmentInBytes=128 -XX:OldSize=128m
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* -XX:MaxHeapSize=384m -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB
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* TestPromotionToSurvivor 10m 9 SURVIVOR
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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* -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
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* -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
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* -XX:SurvivorAlignmentInBytes=128 -XX:OldSize=128m
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* -XX:MaxHeapSize=256m -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB
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* TestPromotionToSurvivor 20m 147 SURVIVOR
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*/
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public class TestPromotionToSurvivor {
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public static void main(String args[]) {
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SurvivorAlignmentTestMain test
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= SurvivorAlignmentTestMain.fromArgs(args);
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System.out.println(test);
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long expectedUsage = test.getExpectedMemoryUsage();
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test.baselineMemoryAllocation();
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SurvivorAlignmentTestMain.WHITE_BOX.fullGC();
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test.allocate();
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SurvivorAlignmentTestMain.WHITE_BOX.youngGC();
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test.verifyMemoryUsage(expectedUsage);
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}
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}
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