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 21 * questions. 22 */ 23 24 /* 25 * @test TestSummarizeRSetStats.java 26 * @bug 8013895 8129977 27 * @library /testlibrary 28 * @modules java.base/sun.misc 29 * java.management/sun.management 30 * @build TestSummarizeRSetStatsTools TestSummarizeRSetStats 31 * @summary Verify output of -XX:+G1SummarizeRSetStats 32 * @run main TestSummarizeRSetStats 33 * 34 * Test the output of G1SummarizeRSetStats in conjunction with G1SummarizeRSetStatsPeriod. 35 */ 36 37 public class TestSummarizeRSetStats { 38 39 public static void main(String[] args) throws Exception { 40 String result; 41 42 if (!TestSummarizeRSetStatsTools.testingG1GC()) { 43 return; 44 } 45 46 // no remembered set summary output 47 result = TestSummarizeRSetStatsTools.runTest(null, 0); 48 TestSummarizeRSetStatsTools.expectRSetSummaries(result, 0, 0); 49 50 // no remembered set summary output 51 result = TestSummarizeRSetStatsTools.runTest(null, 2); 52 TestSummarizeRSetStatsTools.expectRSetSummaries(result, 0, 0); 53 54 // no remembered set summary output 55 result = TestSummarizeRSetStatsTools.runTest(new String[] { "-XX:G1SummarizeRSetStatsPeriod=1" }, 3); 56 TestSummarizeRSetStatsTools.expectRSetSummaries(result, 0, 0); 57 58 // single remembered set summary output at the end 59 result = TestSummarizeRSetStatsTools.runTest(new String[] { "-XX:+G1SummarizeRSetStats" }, 0); 60 TestSummarizeRSetStatsTools.expectRSetSummaries(result, 1, 0); 61 62 // single remembered set summary output at the end 63 result = TestSummarizeRSetStatsTools.runTest(new String[] { "-XX:+G1SummarizeRSetStats" }, 2); 64 TestSummarizeRSetStatsTools.expectRSetSummaries(result, 1, 0); 65 66 // single remembered set summary output 67 result = TestSummarizeRSetStatsTools.runTest(new String[] { "-XX:+G1SummarizeRSetStats", "-XX:G1SummarizeRSetStatsPeriod=1" }, 0); 68 TestSummarizeRSetStatsTools.expectRSetSummaries(result, 1, 0); 69 70 // two times remembered set summary output 71 result = TestSummarizeRSetStatsTools.runTest(new String[] { "-XX:+G1SummarizeRSetStats", "-XX:G1SummarizeRSetStatsPeriod=1" }, 1); 72 TestSummarizeRSetStatsTools.expectRSetSummaries(result, 1, 2); 73 74 // four times remembered set summary output 75 result = TestSummarizeRSetStatsTools.runTest(new String[] { "-XX:+G1SummarizeRSetStats", "-XX:G1SummarizeRSetStatsPeriod=1" }, 3); 76 TestSummarizeRSetStatsTools.expectRSetSummaries(result, 1, 6); 77 78 // three times remembered set summary output 79 result = TestSummarizeRSetStatsTools.runTest(new String[] { "-XX:+G1SummarizeRSetStats", "-XX:G1SummarizeRSetStatsPeriod=2" }, 3); 80 TestSummarizeRSetStatsTools.expectRSetSummaries(result, 1, 4); 81 82 // single remembered set summary output 83 result = TestSummarizeRSetStatsTools.runTest(new String[] { "-XX:+G1SummarizeRSetStats", "-XX:G1SummarizeRSetStatsPeriod=100" }, 3); 84 TestSummarizeRSetStatsTools.expectRSetSummaries(result, 1, 2); 85 } 86 } 87