| /* |
| * Copyright (c) 2014, 2016, 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. |
| */ |
| |
| /** |
| * @test |
| * @bug 8031323 |
| * @summary Verify that objects promoted from eden space to survivor space after |
| * minor GC are aligned to SurvivorAlignmentInBytes. |
| * @library /test/lib |
| * @modules java.base/jdk.internal.misc |
| * java.management |
| * @build sun.hotspot.WhiteBox |
| * @ignore 8129886 |
| * @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:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions |
| * -XX:SurvivorAlignmentInBytes=32 -XX:OldSize=128m |
| * -XX:MaxHeapSize=256m -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB |
| * TestPromotionToSurvivor 10m 9 SURVIVOR |
| * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
| * -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m |
| * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions |
| * -XX:SurvivorAlignmentInBytes=32 -XX:OldSize=128m |
| * -XX:MaxHeapSize=256m -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB |
| * TestPromotionToSurvivor 20m 47 SURVIVOR |
| * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
| * -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m |
| * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions |
| * -XX:SurvivorAlignmentInBytes=64 -XX:OldSize=128m |
| * -XX:MaxHeapSize=256m -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB |
| * TestPromotionToSurvivor 8m 9 SURVIVOR |
| * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
| * -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m |
| * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions |
| * -XX:SurvivorAlignmentInBytes=64 -XX:OldSize=128m |
| * -XX:MaxHeapSize=256m -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB |
| * TestPromotionToSurvivor 20m 87 SURVIVOR |
| * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
| * -XX:+WhiteBoxAPI -XX:NewSize=256m -XX:MaxNewSize=256m |
| * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions |
| * -XX:SurvivorAlignmentInBytes=128 -XX:OldSize=128m |
| * -XX:MaxHeapSize=384m -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB |
| * TestPromotionToSurvivor 10m 9 SURVIVOR |
| * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
| * -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m |
| * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions |
| * -XX:SurvivorAlignmentInBytes=128 -XX:OldSize=128m |
| * -XX:MaxHeapSize=256m -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB |
| * TestPromotionToSurvivor 20m 147 SURVIVOR |
| */ |
| public class TestPromotionToSurvivor { |
| public static void main(String args[]) { |
| SurvivorAlignmentTestMain test |
| = SurvivorAlignmentTestMain.fromArgs(args); |
| System.out.println(test); |
| |
| long expectedUsage = test.getExpectedMemoryUsage(); |
| test.baselineMemoryAllocation(); |
| SurvivorAlignmentTestMain.WHITE_BOX.fullGC(); |
| |
| test.allocate(); |
| SurvivorAlignmentTestMain.WHITE_BOX.youngGC(); |
| |
| test.verifyMemoryUsage(expectedUsage); |
| } |
| } |