Mercurial > hg > graal-compiler
diff test/gc/survivorAlignment/TestPromotionFromEdenToTenured.java @ 20717:4b7c96fba3d8
8037968: Add tests on alignment of objects copied to survivor space
Reviewed-by: jmasa, dfazunen
author | fzhinkin |
---|---|
date | Wed, 26 Nov 2014 14:17:06 +0400 |
parents | |
children | 75d8afb5d37a |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/gc/survivorAlignment/TestPromotionFromEdenToTenured.java Wed Nov 26 14:17:06 2014 +0400 @@ -0,0 +1,96 @@ +/* + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/** + * @test + * @bug 8031323 + * @summary Verify that objects promoted from eden space to tenured space during + * full GC are not aligned to SurvivorAlignmentInBytes value. + * @library /testlibrary /testlibrary/whitebox + * @build TestPromotionFromEdenToTenured SurvivorAlignmentTestMain + * AlignmentHelper + * @run main ClassFileInstaller sun.hotspot.WhiteBox + * sun.hotspot.WhiteBox$WhiteBoxPermission + * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions + * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m + * -XX:OldSize=32m -XX:SurvivorRatio=1 + * -XX:-ExplicitGCInvokesConcurrent + * -XX:+UnlockExperimentalVMOptions + * -XX:SurvivorAlignmentInBytes=32 + * TestPromotionFromEdenToTenured 10m 9 TENURED + * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions + * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m + * -XX:OldSize=32m -XX:SurvivorRatio=1 + * -XX:-ExplicitGCInvokesConcurrent + * -XX:+UnlockExperimentalVMOptions + * -XX:SurvivorAlignmentInBytes=32 + * TestPromotionFromEdenToTenured 10m 47 TENURED + * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions + * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m + * -XX:OldSize=32m -XX:SurvivorRatio=1 + * -XX:-ExplicitGCInvokesConcurrent + * -XX:+UnlockExperimentalVMOptions + * -XX:SurvivorAlignmentInBytes=64 + * TestPromotionFromEdenToTenured 10m 9 TENURED + * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions + * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m + * -XX:OldSize=32m -XX:SurvivorRatio=1 + * -XX:-ExplicitGCInvokesConcurrent + * -XX:+UnlockExperimentalVMOptions + * -XX:SurvivorAlignmentInBytes=64 + * TestPromotionFromEdenToTenured 10m 87 TENURED + * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions + * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m + * -XX:OldSize=32M -XX:SurvivorRatio=1 + * -XX:-ExplicitGCInvokesConcurrent + * -XX:+UnlockExperimentalVMOptions + * -XX:SurvivorAlignmentInBytes=128 + * TestPromotionFromEdenToTenured 10m 9 TENURED + * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions + * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m + * -XX:OldSize=32m -XX:SurvivorRatio=1 + * -XX:-ExplicitGCInvokesConcurrent + * -XX:+UnlockExperimentalVMOptions + * -XX:SurvivorAlignmentInBytes=128 + * TestPromotionFromEdenToTenured 10m 147 TENURED + */ +public class TestPromotionFromEdenToTenured { + public static void main(String args[]) { + SurvivorAlignmentTestMain test + = SurvivorAlignmentTestMain.fromArgs(args); + System.out.println(test); + + long expectedMemoryUsage = test.getExpectedMemoryUsage(); + test.baselineMemoryAllocation(); + System.gc(); + // increase expected usage by current old gen usage + expectedMemoryUsage += SurvivorAlignmentTestMain.getAlignmentHelper( + SurvivorAlignmentTestMain.HeapSpace.TENURED) + .getActualMemoryUsage(); + + test.allocate(); + System.gc(); + + test.verifyMemoryUsage(expectedMemoryUsage); + } +}