1 /* 2 * Copyright (c) 2014, 2015, 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 object's alignment in eden space is not affected by 28 * SurvivorAlignmentInBytes option. 29 * @library /testlibrary /test/lib 30 * @modules java.base/jdk.internal.misc 31 * java.management 32 * @build TestAllocationInEden SurvivorAlignmentTestMain AlignmentHelper 33 * @run main ClassFileInstaller sun.hotspot.WhiteBox 34 * sun.hotspot.WhiteBox$WhiteBoxPermission 35 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 36 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m 37 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions 38 * -XX:SurvivorAlignmentInBytes=32 -XX:-UseTLAB -XX:-ResizePLAB 39 * -XX:OldSize=128m -XX:MaxHeapSize=192m 40 * -XX:-ExplicitGCInvokesConcurrent 41 * TestAllocationInEden 10m 9 EDEN 42 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 43 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m 44 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions 45 * -XX:SurvivorAlignmentInBytes=32 -XX:-UseTLAB -XX:-ResizePLAB 46 * -XX:OldSize=128m -XX:MaxHeapSize=192m 47 * -XX:-ExplicitGCInvokesConcurrent 48 * TestAllocationInEden 10m 47 EDEN 49 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 50 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m 51 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions 52 * -XX:SurvivorAlignmentInBytes=64 -XX:-UseTLAB -XX:-ResizePLAB 53 * -XX:OldSize=128m -XX:MaxHeapSize=192m 54 * -XX:-ExplicitGCInvokesConcurrent 55 * TestAllocationInEden 10m 9 EDEN 56 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 57 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m 58 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions 59 * -XX:SurvivorAlignmentInBytes=64 -XX:-UseTLAB -XX:-ResizePLAB 60 * -XX:OldSize=128m -XX:MaxHeapSize=192m 61 * -XX:-ExplicitGCInvokesConcurrent 62 * TestAllocationInEden 10m 87 EDEN 63 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 64 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m 65 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions 66 * -XX:SurvivorAlignmentInBytes=128 -XX:-UseTLAB -XX:-ResizePLAB 67 * -XX:OldSize=128m -XX:MaxHeapSize=192m 68 * -XX:-ExplicitGCInvokesConcurrent 69 * TestAllocationInEden 10m 9 EDEN 70 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 71 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m 72 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions 73 * -XX:SurvivorAlignmentInBytes=128 -XX:-UseTLAB -XX:-ResizePLAB 74 * -XX:OldSize=128m -XX:MaxHeapSize=192m 75 * -XX:-ExplicitGCInvokesConcurrent 76 * TestAllocationInEden 10m 147 EDEN 77 */ 78 public class TestAllocationInEden { 79 public static void main(String args[]) { 80 SurvivorAlignmentTestMain test 81 = SurvivorAlignmentTestMain.fromArgs(args); 82 System.out.println(test); 83 84 long expectedMemoryUsage = test.getExpectedMemoryUsage(); 85 test.baselineMemoryAllocation(); 86 System.gc(); 87 88 test.allocate(); 89 90 test.verifyMemoryUsage(expectedMemoryUsage); 91 } 92 }