1 /* 2 * Copyright (c) 2014, 2018, 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 * @requires vm.gc != "Z" & vm.gc != "Shenandoah" 30 * @library /test/lib 31 * @modules java.base/jdk.internal.misc 32 * java.management 33 * @build sun.hotspot.WhiteBox 34 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 35 * sun.hotspot.WhiteBox$WhiteBoxPermission 36 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 37 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m 38 * -XX:OldSize=32m -XX:MaxHeapSize=96m -XX:SurvivorRatio=1 39 * -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB 40 * -XX:+UnlockExperimentalVMOptions 41 * -XX:SurvivorAlignmentInBytes=32 42 * TestPromotionFromEdenToTenured 10m 9 TENURED 43 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 44 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m 45 * -XX:OldSize=32m -XX:MaxHeapSize=96m -XX:SurvivorRatio=1 46 * -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB 47 * -XX:+UnlockExperimentalVMOptions 48 * -XX:SurvivorAlignmentInBytes=32 49 * TestPromotionFromEdenToTenured 10m 47 TENURED 50 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 51 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m 52 * -XX:OldSize=32m -XX:MaxHeapSize=96m 53 * -XX:SurvivorRatio=1 -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB 54 * -XX:+UnlockExperimentalVMOptions 55 * -XX:SurvivorAlignmentInBytes=64 56 * TestPromotionFromEdenToTenured 10m 9 TENURED 57 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 58 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m 59 * -XX:OldSize=32m -XX:MaxHeapSize=128m 60 * -XX:SurvivorRatio=1 -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB 61 * -XX:+UnlockExperimentalVMOptions 62 * -XX:SurvivorAlignmentInBytes=64 63 * TestPromotionFromEdenToTenured 10m 87 TENURED 64 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 65 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m 66 * -XX:OldSize=32M -XX:MaxHeapSize=96m -XX:SurvivorRatio=1 67 * -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB 68 * -XX:+UnlockExperimentalVMOptions 69 * -XX:SurvivorAlignmentInBytes=128 70 * TestPromotionFromEdenToTenured 10m 9 TENURED 71 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 72 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m 73 * -XX:OldSize=32m -XX:MaxHeapSize=96m -XX:SurvivorRatio=1 74 * -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB 75 * -XX:+UnlockExperimentalVMOptions 76 * -XX:SurvivorAlignmentInBytes=128 77 * TestPromotionFromEdenToTenured 10m 147 TENURED 78 */ 79 public class TestPromotionFromEdenToTenured { 80 public static void main(String args[]) { 81 SurvivorAlignmentTestMain test 82 = SurvivorAlignmentTestMain.fromArgs(args); 83 System.out.println(test); 84 85 long expectedMemoryUsage = test.getExpectedMemoryUsage(); 86 test.baselineMemoryAllocation(); 87 System.gc(); 88 // increase expected usage by current old gen usage 89 expectedMemoryUsage += SurvivorAlignmentTestMain.getAlignmentHelper( 90 SurvivorAlignmentTestMain.HeapSpace.TENURED) 91 .getActualMemoryUsage(); 92 93 test.allocate(); 94 System.gc(); 95 96 test.verifyMemoryUsage(expectedMemoryUsage); 97 } 98 }