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 com.oracle.java.testlibrary.* 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 }