/* * Copyright ( c ) 2013 , 2020 , 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 . package gc;/** * @ test TestObjectAlignment * @ bug 8021823 * @ requires vm . bits = = " 64 " * @ summary G1 : Concurrent marking crashes with - XX : ObjectAlignmentInBytes > = 32 in 64 bit VMs * @ library / test / lib * @ modules java . base / jdk . internal . misc * @ run main / othervm gc . TestObjectAlignment - Xmx20M - XX : + ExplicitGCInvokesConcurrent - XX : ObjectAlignmentInBytes = 8 * @ run main / othervm gc . TestObjectAlignment - Xmx20M - XX : + ExplicitGCInvokesConcurrent - XX : ObjectAlignmentInBytes = 16 * @ run main / othervm gc . TestObjectAlignment - Xmx20M - XX : + ExplicitGCInvokesConcurrent - XX : ObjectAlignmentInBytes = 32 * @ run main / othervm gc . TestObjectAlignment - Xmx20M - XX : + ExplicitGCInvokesConcurrent - XX : ObjectAlignmentInBytes = 64 * @ run main / othervm gc . TestObjectAlignment - Xmx20M - XX : + ExplicitGCInvokesConcurrent - XX : ObjectAlignmentInBytes = 128 * @ run main / othervm gc . TestObjectAlignment - Xmx20M - XX : + ExplicitGCInvokesConcurrent - XX : ObjectAlignmentInBytes = 256 * @ run main / othervm gc . TestObjectAlignment - Xmx20M - XX : - ExplicitGCInvokesConcurrent - XX : ObjectAlignmentInBytes = 8 * @ run main / othervm gc . TestObjectAlignment - Xmx20M - XX : - ExplicitGCInvokesConcurrent - XX : ObjectAlignmentInBytes = 16 * @ run main / othervm gc . TestObjectAlignment - Xmx20M - XX : - ExplicitGCInvokesConcurrent - XX : ObjectAlignmentInBytes = 32 * @ run main / othervm gc . TestObjectAlignment - Xmx20M - XX : - ExplicitGCInvokesConcurrent - XX : ObjectAlignmentInBytes = 64 * @ run main / othervm gc . TestObjectAlignment - Xmx20M - XX : - ExplicitGCInvokesConcurrent - XX : ObjectAlignmentInBytes = 128 * @ run main / othervm gc . TestObjectAlignment - Xmx20M - XX : - ExplicitGCInvokesConcurrent - XX : ObjectAlignmentInBytes = 256 public class TestObjectAlignment {public static byte [] garbage;public static void main(String[] args) throws Exception {for (int i = 0 ; i < 10 ; i++) {new byte [1000 ];
Messung V0.5 in Prozent C=88 H=91 G=89
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