hotspot/test/gc/g1/TestSummarizeRSetStatsPerRegion.java
author twisti
Mon, 27 Apr 2015 09:02:41 -0700
changeset 30288 476c276de939
parent 29678 dd2f3932c21e
child 30604 b8d532cb6420
permissions -rw-r--r--
8022853: add ability to load uncompressed object and Klass references in a compressed environment to Unsafe Reviewed-by: coleenp, jrose, kvn
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/*
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 * Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/*
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 * @test TestSummarizeRSetStatsPerRegion.java
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 * @bug 8014078
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 * @library /testlibrary
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 * @modules java.base/sun.misc
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 *          java.management/sun.management
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 * @build TestSummarizeRSetStatsTools TestSummarizeRSetStatsPerRegion
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 * @summary Verify output of -XX:+G1SummarizeRSetStats in regards to per-region type output
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 * @run main TestSummarizeRSetStatsPerRegion
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 */
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import com.oracle.java.testlibrary.*;
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import java.lang.Thread;
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import java.util.ArrayList;
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import java.util.Arrays;
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public class TestSummarizeRSetStatsPerRegion {
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    public static void main(String[] args) throws Exception {
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        String result;
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        if (!TestSummarizeRSetStatsTools.testingG1GC()) {
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            return;
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        }
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        // single remembered set summary output at the end
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        result = TestSummarizeRSetStatsTools.runTest(new String[] { "-XX:+G1SummarizeRSetStats" }, 0);
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        TestSummarizeRSetStatsTools.expectPerRegionRSetSummaries(result, 1, 0);
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        // two times remembered set summary output
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        result = TestSummarizeRSetStatsTools.runTest(new String[] { "-XX:+G1SummarizeRSetStats", "-XX:G1SummarizeRSetStatsPeriod=1" }, 1);
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        TestSummarizeRSetStatsTools.expectPerRegionRSetSummaries(result, 1, 2);
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    }
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}