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comparison test/gc/g1/TestSummarizeRSetStatsPerRegion.java @ 12339:c319b188c7b2

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8014078: G1: improve remembered set summary information by providing per region type information Summary: Add memory consumption breakdown on a per region type in the G1 remembered set summary statistics. This simplifies remembered set memory consumption analysis. Reviewed-by: brutisso
author tschatzl
date Thu, 26 Sep 2013 12:49:45 +0200
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12306:03f493ce3a71 12339:c319b188c7b2
1 /*
2 * Copyright (c) 2013, 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 TestSummarizeRSetStatsPerRegion.java
26 * @bug 8014078
27 * @library /testlibrary
28 * @build TestSummarizeRSetStatsTools TestSummarizeRSetStatsPerRegion
29 * @summary Verify output of -XX:+G1SummarizeRSetStats in regards to per-region type output
30 * @run main TestSummarizeRSetStatsPerRegion
31 */
32
33 import com.oracle.java.testlibrary.*;
34 import java.lang.Thread;
35 import java.util.ArrayList;
36 import java.util.Arrays;
37
38 public class TestSummarizeRSetStatsPerRegion {
39
40 public static void main(String[] args) throws Exception {
41 String result;
42
43 if (!TestSummarizeRSetStatsTools.testingG1GC()) {
44 return;
45 }
46
47 // single remembered set summary output at the end
48 result = TestSummarizeRSetStatsTools.runTest(new String[] { "-XX:+G1SummarizeRSetStats" }, 0);
49 TestSummarizeRSetStatsTools.expectPerRegionRSetSummaries(result, 1, 0);
50
51 // two times remembered set summary output
52 result = TestSummarizeRSetStatsTools.runTest(new String[] { "-XX:+G1SummarizeRSetStats", "-XX:G1SummarizeRSetStatsPeriod=1" }, 1);
53 TestSummarizeRSetStatsTools.expectPerRegionRSetSummaries(result, 1, 2);
54 }
55 }