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 survivor space to tenured space 28 * during full GC are not aligned to SurvivorAlignmentInBytes value. 29 * @library /testlibrary /testlibrary/whitebox 30 * @build TestPromotionFromSurvivorToTenuredAfterFullGC 31 * SurvivorAlignmentTestMain AlignmentHelper 32 * @run main ClassFileInstaller sun.hotspot.WhiteBox 33 * sun.hotspot.WhiteBox$WhiteBoxPermission 34 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 35 * -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m 36 * -XX:OldSize=32m -XX:SurvivorRatio=1 37 * -XX:-ExplicitGCInvokesConcurrent 38 * -XX:+UnlockExperimentalVMOptions 39 * -XX:SurvivorAlignmentInBytes=32 40 * TestPromotionFromSurvivorToTenuredAfterFullGC 10m 9 TENURED 41 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 42 * -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m 43 * -XX:OldSize=32m -XX:SurvivorRatio=1 44 * -XX:-ExplicitGCInvokesConcurrent 45 * -XX:+UnlockExperimentalVMOptions 46 * -XX:SurvivorAlignmentInBytes=32 47 * TestPromotionFromSurvivorToTenuredAfterFullGC 20m 47 48 * TENURED 49 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 50 * -XX:+WhiteBoxAPI -XX:NewSize=200m -XX:MaxNewSize=200m 51 * -XX:OldSize=32m -XX:InitialHeapSize=232m 52 * -XX:SurvivorRatio=1 -XX:-ExplicitGCInvokesConcurrent 53 * -XX:+UnlockExperimentalVMOptions 54 * -XX:SurvivorAlignmentInBytes=64 55 * TestPromotionFromSurvivorToTenuredAfterFullGC 10m 9 TENURED 56 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 57 * -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m 58 * -XX:OldSize=32m -XX:SurvivorRatio=1 59 * -XX:-ExplicitGCInvokesConcurrent 60 * -XX:+UnlockExperimentalVMOptions 61 * -XX:SurvivorAlignmentInBytes=64 62 * TestPromotionFromSurvivorToTenuredAfterFullGC 20m 87 63 * TENURED 64 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 65 * -XX:+WhiteBoxAPI -XX:NewSize=256m -XX:MaxNewSize=256m 66 * -XX:OldSize=32M -XX:InitialHeapSize=288m 67 * -XX:SurvivorRatio=1 -XX:-ExplicitGCInvokesConcurrent 68 * -XX:+UnlockExperimentalVMOptions 69 * -XX:SurvivorAlignmentInBytes=128 70 * TestPromotionFromSurvivorToTenuredAfterFullGC 10m 9 71 * TENURED 72 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 73 * -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m 74 * -XX:OldSize=32m -XX:SurvivorRatio=1 75 * -XX:-ExplicitGCInvokesConcurrent 76 * -XX:+UnlockExperimentalVMOptions 77 * -XX:SurvivorAlignmentInBytes=128 78 * TestPromotionFromSurvivorToTenuredAfterFullGC 20m 147 79 * TENURED 80 */ 81 public class TestPromotionFromSurvivorToTenuredAfterFullGC { 82 public static void main(String args[]) { 83 SurvivorAlignmentTestMain test 84 = SurvivorAlignmentTestMain.fromArgs(args); 85 System.out.println(test); 86 87 long expectedMemoryUsage = test.getExpectedMemoryUsage(); 88 test.baselineMemoryAllocation(); 89 System.gc(); 90 // increase expected usage by current old gen usage 91 expectedMemoryUsage += SurvivorAlignmentTestMain.getAlignmentHelper( 92 SurvivorAlignmentTestMain.HeapSpace.TENURED) 93 .getActualMemoryUsage(); 94 95 test.allocate(); 96 SurvivorAlignmentTestMain.WHITE_BOX.youngGC(); 97 System.gc(); 98 99 test.verifyMemoryUsage(expectedMemoryUsage); 100 } 101 }