Mercurial > hg > truffle
annotate test/gc/g1/TestRegionAlignment.java @ 20256:b0b97602393a
8033923: Use BufferingOopClosure for G1 code root scanning
Reviewed-by: mgerdin, brutisso
author | stefank |
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date | Mon, 10 Feb 2014 12:58:09 +0100 |
parents | f14063dcd52a |
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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 TestRegionAlignment.java |
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26 * @bug 8013791 |
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27 * @summary Make sure that G1 ergonomics pick a heap size that is aligned with the region size |
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28 * @run main/othervm -XX:+UseG1GC -XX:G1HeapRegionSize=32m -XX:MaxRAM=555m TestRegionAlignment |
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29 * |
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30 * When G1 ergonomically picks a maximum heap size it must be aligned to the region size. |
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31 * This test tries to get the VM to pick a small and unaligned heap size (by using MaxRAM=555) and a |
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32 * large region size (by using -XX:G1HeapRegionSize=32m). This will fail without the fix for 8013791. |
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33 */ |
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34 public class TestRegionAlignment { |
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35 public static void main(String[] args) { } |
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36 } |