1 /* 2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /** 25 * @test 26 * @bug 8031323 27 * @summary Verify that objects promoted from eden space to tenured space during 28 * full GC are not aligned to SurvivorAlignmentInBytes value. 29 * @library /testlibrary /../../test/lib 30 * @build TestPromotionFromEdenToTenured SurvivorAlignmentTestMain 31 * AlignmentHelper 32 * @run main ClassFileInstaller jdk.testlib.WhiteBox 33 * jdk.testlib.WhiteBox$WhiteBoxPermission 34 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 35 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m 36 * -XX:OldSize=32m -XX:SurvivorRatio=1 37 * -XX:-ExplicitGCInvokesConcurrent 38 * -XX:+UnlockExperimentalVMOptions 39 * -XX:SurvivorAlignmentInBytes=32 40 * TestPromotionFromEdenToTenured 10m 9 TENURED 41 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 42 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m 43 * -XX:OldSize=32m -XX:SurvivorRatio=1 44 * -XX:-ExplicitGCInvokesConcurrent 45 * -XX:+UnlockExperimentalVMOptions 46 * -XX:SurvivorAlignmentInBytes=32 47 * TestPromotionFromEdenToTenured 10m 47 TENURED 48 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 49 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m 50 * -XX:OldSize=32m -XX:SurvivorRatio=1 51 * -XX:-ExplicitGCInvokesConcurrent 52 * -XX:+UnlockExperimentalVMOptions 53 * -XX:SurvivorAlignmentInBytes=64 54 * TestPromotionFromEdenToTenured 10m 9 TENURED 55 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 56 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m 57 * -XX:OldSize=32m -XX:SurvivorRatio=1 58 * -XX:-ExplicitGCInvokesConcurrent 59 * -XX:+UnlockExperimentalVMOptions 60 * -XX:SurvivorAlignmentInBytes=64 61 * TestPromotionFromEdenToTenured 10m 87 TENURED 62 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 63 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m 64 * -XX:OldSize=32M -XX:SurvivorRatio=1 65 * -XX:-ExplicitGCInvokesConcurrent 66 * -XX:+UnlockExperimentalVMOptions 67 * -XX:SurvivorAlignmentInBytes=128 68 * TestPromotionFromEdenToTenured 10m 9 TENURED 69 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 70 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m 71 * -XX:OldSize=32m -XX:SurvivorRatio=1 72 * -XX:-ExplicitGCInvokesConcurrent 73 * -XX:+UnlockExperimentalVMOptions 74 * -XX:SurvivorAlignmentInBytes=128 75 * TestPromotionFromEdenToTenured 10m 147 TENURED 76 */ 77 public class TestPromotionFromEdenToTenured { 78 public static void main(String args[]) { 79 SurvivorAlignmentTestMain test 80 = SurvivorAlignmentTestMain.fromArgs(args); 81 System.out.println(test); 82 83 long expectedMemoryUsage = test.getExpectedMemoryUsage(); 84 test.baselineMemoryAllocation(); 85 System.gc(); 86 // increase expected usage by current old gen usage 87 expectedMemoryUsage += SurvivorAlignmentTestMain.getAlignmentHelper( 88 SurvivorAlignmentTestMain.HeapSpace.TENURED) 89 .getActualMemoryUsage(); 90 91 test.allocate(); 92 System.gc(); 93 94 test.verifyMemoryUsage(expectedMemoryUsage); 95 } 96 }