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 /../../test/lib 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:-ExplicitGCInvokesConcurrent 38 * TestAllocationInEden 10m 9 EDEN 39 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 40 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m 41 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions 42 * -XX:SurvivorAlignmentInBytes=32 -XX:-UseTLAB 43 * -XX:OldSize=128m -XX:-ExplicitGCInvokesConcurrent 44 * TestAllocationInEden 10m 47 EDEN 45 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 46 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m 47 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions 48 * -XX:SurvivorAlignmentInBytes=64 -XX:-UseTLAB 49 * -XX:OldSize=128m -XX:-ExplicitGCInvokesConcurrent 50 * TestAllocationInEden 10m 9 EDEN 51 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 52 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m 53 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions 54 * -XX:SurvivorAlignmentInBytes=64 -XX:-UseTLAB 55 * -XX:OldSize=128m -XX:-ExplicitGCInvokesConcurrent 56 * TestAllocationInEden 10m 87 EDEN 57 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 58 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m 59 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions 60 * -XX:SurvivorAlignmentInBytes=128 -XX:-UseTLAB 61 * -XX:OldSize=128m -XX:-ExplicitGCInvokesConcurrent 62 * TestAllocationInEden 10m 9 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 67 * -XX:OldSize=128m -XX:-ExplicitGCInvokesConcurrent 68 * TestAllocationInEden 10m 147 EDEN 69 */ 70 public class TestAllocationInEden { 71 public static void main(String args[]) { 72 SurvivorAlignmentTestMain test 73 = SurvivorAlignmentTestMain.fromArgs(args); 74 System.out.println(test); 75 76 long expectedMemoryUsage = test.getExpectedMemoryUsage(); 77 test.baselineMemoryAllocation(); 78 System.gc(); 79 80 test.allocate(); 81 82 test.verifyMemoryUsage(expectedMemoryUsage); 83 } 84 }