1 /*

     2  * Copyright (c) 2013, 2015, 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

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    23 

    24 /*

    25  * @test TestSummarizeRSetStatsPerRegion.java

    26  * @bug 8014078 8129977

    27  * @library /testlibrary

    28  * @modules java.base/sun.misc

    29  *          java.management/sun.management

    30  * @build TestSummarizeRSetStatsTools TestSummarizeRSetStatsPerRegion

    31  * @summary Verify output of -XX:+G1SummarizeRSetStats in regards to per-region type output

    32  * @run main TestSummarizeRSetStatsPerRegion

    33  */

    34 

    35 import jdk.test.lib.*;

    36 import java.lang.Thread;

    37 import java.util.ArrayList;

    38 import java.util.Arrays;

    39 

    40 public class TestSummarizeRSetStatsPerRegion {

    41 

    42     public static void main(String[] args) throws Exception {

    43         String result;

    44 

    45         if (!TestSummarizeRSetStatsTools.testingG1GC()) {

    46             return;

    47         }

    48 

    49         // single remembered set summary output at the end

    50         result = TestSummarizeRSetStatsTools.runTest(new String[] { "-XX:+G1SummarizeRSetStats" }, 0);

    51         TestSummarizeRSetStatsTools.expectPerRegionRSetSummaries(result, 1, 0);

    52 

    53         // two times remembered set summary output

    54         result = TestSummarizeRSetStatsTools.runTest(new String[] { "-XX:+G1SummarizeRSetStats", "-XX:G1SummarizeRSetStatsPeriod=1" }, 1);

    55         TestSummarizeRSetStatsTools.expectPerRegionRSetSummaries(result, 1, 2);

    56     }

    57 }