| /* |
| * Copyright (c) 2014, 2015, 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 |
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| * 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 |
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| */ |
| |
| /** |
| * @test |
| * @bug 8031323 |
| * @summary Verify that objects promoted from survivor space to tenured space |
| * during full GC are not aligned to SurvivorAlignmentInBytes value. |
| * @library /testlibrary /../../test/lib |
| * @modules java.base/sun.misc |
| * java.management |
| * @build TestPromotionFromSurvivorToTenuredAfterFullGC |
| * SurvivorAlignmentTestMain AlignmentHelper |
| * @run main ClassFileInstaller sun.hotspot.WhiteBox |
| * sun.hotspot.WhiteBox$WhiteBoxPermission |
| * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
| * -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m |
| * -XX:OldSize=32m -XX:MaxHeapSize=160m |
| * -XX:SurvivorRatio=1 -XX:-ExplicitGCInvokesConcurrent |
| * -XX:+UnlockExperimentalVMOptions |
| * -XX:SurvivorAlignmentInBytes=32 |
| * TestPromotionFromSurvivorToTenuredAfterFullGC 10m 9 TENURED |
| * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
| * -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m |
| * -XX:OldSize=32m -XX:MaxHeapSize=160m |
| * -XX:SurvivorRatio=1 -XX:-ExplicitGCInvokesConcurrent |
| * -XX:+UnlockExperimentalVMOptions |
| * -XX:SurvivorAlignmentInBytes=32 |
| * TestPromotionFromSurvivorToTenuredAfterFullGC 20m 47 |
| * TENURED |
| * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
| * -XX:+WhiteBoxAPI -XX:NewSize=200m -XX:MaxNewSize=200m |
| * -XX:OldSize=32m -XX:MaxHeapSize=232m |
| * -XX:SurvivorRatio=1 -XX:-ExplicitGCInvokesConcurrent |
| * -XX:+UnlockExperimentalVMOptions |
| * -XX:SurvivorAlignmentInBytes=64 |
| * TestPromotionFromSurvivorToTenuredAfterFullGC 10m 9 TENURED |
| * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
| * -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m |
| * -XX:OldSize=32m -XX:MaxHeapSize=160m |
| * -XX:SurvivorRatio=1 -XX:-ExplicitGCInvokesConcurrent |
| * -XX:+UnlockExperimentalVMOptions |
| * -XX:SurvivorAlignmentInBytes=64 |
| * TestPromotionFromSurvivorToTenuredAfterFullGC 20m 87 |
| * TENURED |
| * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
| * -XX:+WhiteBoxAPI -XX:NewSize=256m -XX:MaxNewSize=256m |
| * -XX:OldSize=32M -XX:MaxHeapSize=288m |
| * -XX:SurvivorRatio=1 -XX:-ExplicitGCInvokesConcurrent |
| * -XX:+UnlockExperimentalVMOptions |
| * -XX:SurvivorAlignmentInBytes=128 |
| * TestPromotionFromSurvivorToTenuredAfterFullGC 10m 9 |
| * TENURED |
| * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
| * -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m |
| * -XX:OldSize=32m -XX:MaxHeapSize=160m |
| * -XX:SurvivorRatio=1 -XX:-ExplicitGCInvokesConcurrent |
| * -XX:+UnlockExperimentalVMOptions |
| * -XX:SurvivorAlignmentInBytes=128 |
| * TestPromotionFromSurvivorToTenuredAfterFullGC 20m 147 |
| * TENURED |
| */ |
| public class TestPromotionFromSurvivorToTenuredAfterFullGC { |
| public static void main(String args[]) { |
| SurvivorAlignmentTestMain test |
| = SurvivorAlignmentTestMain.fromArgs(args); |
| System.out.println(test); |
| |
| long expectedMemoryUsage = test.getExpectedMemoryUsage(); |
| test.baselineMemoryAllocation(); |
| System.gc(); |
| // increase expected usage by current old gen usage |
| expectedMemoryUsage += SurvivorAlignmentTestMain.getAlignmentHelper( |
| SurvivorAlignmentTestMain.HeapSpace.TENURED) |
| .getActualMemoryUsage(); |
| |
| test.allocate(); |
| SurvivorAlignmentTestMain.WHITE_BOX.youngGC(); |
| System.gc(); |
| |
| test.verifyMemoryUsage(expectedMemoryUsage); |
| } |
| } |