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