test/hotspot/jtreg/serviceability/dcmd/gc/RunGCTest.java
author pliden
Tue, 12 Jun 2018 17:40:28 +0200
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parent 47216 71c04702a3d5
child 58702 215308c0d5e8
permissions -rw-r--r--
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental) Reviewed-by: pliden, stefank, eosterlund, ehelin, sjohanss, rbackman, coleenp, ihse, jgeorge, lmesnik, rkennke Contributed-by: per.liden@oracle.com, stefan.karlsson@oracle.com, erik.osterlund@oracle.com, mikael.gerdin@oracle.com, kim.barrett@oracle.com, nils.eliasson@oracle.com, rickard.backman@oracle.com, rwestrel@redhat.com, coleen.phillimore@oracle.com, robbin.ehn@oracle.com, gerard.ziemski@oracle.com, hugh.wilkinson@intel.com, sandhya.viswanathan@intel.com, bill.npo.wheeler@intel.com, vinay.k.awasthi@intel.com, yasuenag@gmail.com
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/*
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 * Copyright (c) 2015, 2017, 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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import org.testng.annotations.Test;
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import org.testng.Assert;
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import java.io.IOException;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.dcmd.CommandExecutor;
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import jdk.test.lib.dcmd.JMXExecutor;
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/*
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 * @test
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 * @summary Test of diagnostic command GC.run
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 * @requires vm.gc != "Z"
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 * @library /test/lib
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 * @modules java.base/jdk.internal.misc
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 *          java.compiler
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 *          java.management
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 *          jdk.internal.jvmstat/sun.jvmstat.monitor
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 * @run testng/othervm -Xlog:gc=debug:RunGC.gclog -XX:-ExplicitGCInvokesConcurrent RunGCTest
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 */
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public class RunGCTest {
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    public void run(CommandExecutor executor) {
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        executor.execute("GC.run");
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        Path gcLogPath = Paths.get("RunGC.gclog").toAbsolutePath();
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        String gcLog = null;
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        try {
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            gcLog = new String(Files.readAllBytes(gcLogPath));
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        } catch (IOException e) {
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            Assert.fail("Test error: Could not read GC log file: " + gcLogPath, e);
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        }
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        OutputAnalyzer output = new OutputAnalyzer(gcLog, "");
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        output.shouldContain("Pause Full (Diagnostic Command)");
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    }
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    @Test
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    public void jmx() {
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        run(new JMXExecutor());
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    }
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}