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* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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*/
/*
* @test TestSummarizeRSetStats.java
* @bug 8013895
* @library /testlibrary
* @build TestSummarizeRSetStatsTools TestSummarizeRSetStats
* @summary Verify output of -XX:+G1SummarizeRSetStats
* @run main TestSummarizeRSetStats
*
* Test the output of G1SummarizeRSetStats in conjunction with G1SummarizeRSetStatsPeriod.
*/
public class TestSummarizeRSetStats {
public static void main(String[] args) throws Exception {
String result;
if (!TestSummarizeRSetStatsTools.testingG1GC()) {
return;
}
// no remembered set summary output
result = TestSummarizeRSetStatsTools.runTest(null, 0);
TestSummarizeRSetStatsTools.expectRSetSummaries(result, 0, 0);
// no remembered set summary output
result = TestSummarizeRSetStatsTools.runTest(null, 2);
TestSummarizeRSetStatsTools.expectRSetSummaries(result, 0, 0);
// no remembered set summary output
result = TestSummarizeRSetStatsTools.runTest(new String[] { "-XX:G1SummarizeRSetStatsPeriod=1" }, 3);
TestSummarizeRSetStatsTools.expectRSetSummaries(result, 0, 0);
// single remembered set summary output at the end
result = TestSummarizeRSetStatsTools.runTest(new String[] { "-XX:+G1SummarizeRSetStats" }, 0);
TestSummarizeRSetStatsTools.expectRSetSummaries(result, 1, 0);
// single remembered set summary output at the end
result = TestSummarizeRSetStatsTools.runTest(new String[] { "-XX:+G1SummarizeRSetStats" }, 2);
TestSummarizeRSetStatsTools.expectRSetSummaries(result, 1, 0);
// single remembered set summary output
result = TestSummarizeRSetStatsTools.runTest(new String[] { "-XX:+G1SummarizeRSetStats", "-XX:G1SummarizeRSetStatsPeriod=1" }, 0);
TestSummarizeRSetStatsTools.expectRSetSummaries(result, 1, 0);
// two times remembered set summary output
result = TestSummarizeRSetStatsTools.runTest(new String[] { "-XX:+G1SummarizeRSetStats", "-XX:G1SummarizeRSetStatsPeriod=1" }, 1);
TestSummarizeRSetStatsTools.expectRSetSummaries(result, 1, 2);
// four times remembered set summary output
result = TestSummarizeRSetStatsTools.runTest(new String[] { "-XX:+G1SummarizeRSetStats", "-XX:G1SummarizeRSetStatsPeriod=1" }, 3);
TestSummarizeRSetStatsTools.expectRSetSummaries(result, 1, 6);
// three times remembered set summary output
result = TestSummarizeRSetStatsTools.runTest(new String[] { "-XX:+G1SummarizeRSetStats", "-XX:G1SummarizeRSetStatsPeriod=2" }, 3);
TestSummarizeRSetStatsTools.expectRSetSummaries(result, 1, 4);
// single remembered set summary output
result = TestSummarizeRSetStatsTools.runTest(new String[] { "-XX:+G1SummarizeRSetStats", "-XX:G1SummarizeRSetStatsPeriod=100" }, 3);
TestSummarizeRSetStatsTools.expectRSetSummaries(result, 1, 2);
}
}