Mercurial > hg > truffle
annotate test/gc/arguments/TestAlignmentToUseLargePages.java @ 20215:983092f35ff7
8028710: G1 does not retire allocation buffers after reference processing work
Summary: G1 does not retire allocation buffers after reference processing work when -XX:+ParallelRefProcEnabled is enabled. This causes wrong calculation of PLAB sizes, as the amount of space wasted is not updated correctly.
Reviewed-by: brutisso
author | tschatzl |
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date | Mon, 21 Jul 2014 09:40:19 +0200 |
parents | 23ae5a04724d |
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rev | line source |
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8024396: VM crashing with assert(!UseLargePages || UseParallelOldGC || use_large_pages) failed: Wrong alignment to use large pages
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1 /* |
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2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 |
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24 /** |
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25 * @test TestAlignmentToUseLargePages |
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26 * @summary All parallel GC variants may use large pages without the requirement that the |
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27 * heap alignment is large page aligned. Other collectors also need to start up with odd sized heaps. |
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28 * @bug 8024396 |
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29 * @key gc |
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30 * @key regression |
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31 * @run main/othervm -Xms7M -Xmx9M -XX:+UseParallelGC -XX:-UseParallelOldGC -XX:+UseLargePages TestAlignmentToUseLargePages |
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32 * @run main/othervm -Xms7M -Xmx9M -XX:+UseParallelGC -XX:-UseParallelOldGC -XX:-UseLargePages TestAlignmentToUseLargePages |
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33 * @run main/othervm -Xms7M -Xmx9M -XX:+UseParallelGC -XX:+UseParallelOldGC -XX:+UseLargePages TestAlignmentToUseLargePages |
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34 * @run main/othervm -Xms7M -Xmx9M -XX:+UseParallelGC -XX:+UseParallelOldGC -XX:-UseLargePages TestAlignmentToUseLargePages |
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35 * @run main/othervm -Xms7M -Xmx9M -XX:+UseSerialGC -XX:+UseLargePages TestAlignmentToUseLargePages |
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36 * @run main/othervm -Xms7M -Xmx9M -XX:+UseSerialGC -XX:-UseLargePages TestAlignmentToUseLargePages |
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37 * @run main/othervm -Xms7M -Xmx9M -XX:+UseConcMarkSweepGC -XX:+UseLargePages TestAlignmentToUseLargePages |
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38 * @run main/othervm -Xms7M -Xmx9M -XX:+UseConcMarkSweepGC -XX:-UseLargePages TestAlignmentToUseLargePages |
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39 * @run main/othervm -Xms7M -Xmx9M -XX:+UseG1GC -XX:+UseLargePages TestAlignmentToUseLargePages |
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40 * @run main/othervm -Xms7M -Xmx9M -XX:+UseG1GC -XX:-UseLargePages TestAlignmentToUseLargePages |
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41 */ |
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42 |
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43 public class TestAlignmentToUseLargePages { |
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44 public static void main(String args[]) throws Exception { |
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45 // nothing to do |
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46 } |
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47 } |