test/hotspot/jtreg/serviceability/dcmd/vm/EventsTest.java
author stuefe
Wed, 05 Jun 2019 21:14:46 +0200
changeset 55241 7e2238451585
parent 55217 bb3359bcf534
child 58679 9c3209ff7550
permissions -rw-r--r--
8225348: serviceability/dcmd/vm/EventsTest.java failed Reviewed-by: jcbeyler, cjplummer
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/*
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 * Copyright (c) 2019, 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 jdk.test.lib.dcmd.CommandExecutor;
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import jdk.test.lib.dcmd.JMXExecutor;
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import jdk.test.lib.process.OutputAnalyzer;
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import org.testng.annotations.Test;
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/*
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 * @test
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 * @summary Test of diagnostic command VM.events
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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  EventsTest
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 */
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public class EventsTest {
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    static String buildHeaderPattern(String logname) {
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        return "^" + logname + ".*\\(\\d+ events\\):";
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    }
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    public void run_all(CommandExecutor executor) {
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        OutputAnalyzer output = executor.execute("VM.events");
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        // This tests for the output to contain the event log header line (e.g. "Classes unloaded (0 events):").
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        // Those are always printed even if the corresponding event log is empty.
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        output.stdoutShouldMatch(buildHeaderPattern("Events"));
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        output.stdoutShouldMatch(buildHeaderPattern("Compilation"));
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        output.stdoutShouldMatch(buildHeaderPattern("GC Heap History"));
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        output.stdoutShouldMatch(buildHeaderPattern("Deoptimization"));
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        output.stdoutShouldMatch(buildHeaderPattern("Classes unloaded"));
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    }
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    public void run_selected(CommandExecutor executor) {
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        OutputAnalyzer output = executor.execute("VM.events log=deopt");
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        // We only expect one log to be printed here.
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        output.stdoutShouldMatch(buildHeaderPattern("Deoptimization"));
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        output.stdoutShouldNotMatch(buildHeaderPattern("Events"));
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        output.stdoutShouldNotMatch(buildHeaderPattern("Compilation"));
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        output.stdoutShouldNotMatch(buildHeaderPattern("GC Heap History"));
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        output.stdoutShouldNotMatch(buildHeaderPattern("Classes unloaded"));
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    }
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    @Test
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    public void jmx() {
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        run_all(new JMXExecutor());
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        run_selected(new JMXExecutor());
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    }
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}