135 lines
4.8 KiB
Java
135 lines
4.8 KiB
Java
/*
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* Copyright (c) 2019, 2023, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2019, Twitter, Inc.
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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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package gc.metaspace;
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import jdk.test.lib.Platform;
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import jdk.test.lib.process.ProcessTools;
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import jdk.test.lib.process.OutputAnalyzer;
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import java.util.ArrayList;
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import java.util.List;
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/* @test TestSizeTransitionsSerial
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* @requires vm.gc.Serial
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* @summary Tests that the metaspace size transition logging is done correctly.
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* @library /test/lib
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* @run driver gc.metaspace.TestSizeTransitions false -XX:+UseSerialGC
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* @run driver gc.metaspace.TestSizeTransitions true -XX:+UseSerialGC
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*/
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/* @test TestSizeTransitionsParallel
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* @requires vm.gc.Parallel
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* @summary Tests that the metaspace size transition logging is done correctly.
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* @library /test/lib
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* @run driver gc.metaspace.TestSizeTransitions false -XX:+UseParallelGC
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* @run driver gc.metaspace.TestSizeTransitions true -XX:+UseParallelGC
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*/
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/* @test TestSizeTransitionsG1
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* @requires vm.gc.G1
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* @summary Tests that the metaspace size transition logging is done correctly.
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* @library /test/lib
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* @run driver gc.metaspace.TestSizeTransitions false -XX:+UseG1GC
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* @run driver gc.metaspace.TestSizeTransitions true -XX:+UseG1GC
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*/
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public class TestSizeTransitions {
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public static class Run {
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public static void main(String... args) throws Exception {
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System.out.println("Run started.");
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// easiest way to generate a metaspace transition is to ask for a full GC
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System.gc();
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System.out.println("Run finished.");
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}
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}
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// matches the log tags
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// e.g., [0.043s][info][gc]
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private static final String LOG_TAGS_REGEX = "(\\[.*\\])+ ";
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// matches a size transition
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// e.g., 177K(4864K)->177K(4864K)
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private static final String SIZE_TRANSITION_REGEX = "\\d+K\\(\\d+K\\)->\\d+K\\(\\d+K\\)";
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// matches -coops metaspace size transitions
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private static final String NO_COMPRESSED_KLASS_POINTERS_REGEX =
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String.format("^%s.* Metaspace: %s$",
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LOG_TAGS_REGEX,
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SIZE_TRANSITION_REGEX);
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// matches +coops metaspace size transitions
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private static final String COMPRESSED_KLASS_POINTERS_REGEX =
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String.format("^%s.* Metaspace: %s NonClass: %s Class: %s$",
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LOG_TAGS_REGEX,
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SIZE_TRANSITION_REGEX,
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SIZE_TRANSITION_REGEX,
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SIZE_TRANSITION_REGEX);
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public static void main(String... args) throws Exception {
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// args: <use-coops> <gc-arg>
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if (args.length != 2) {
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throw new RuntimeException("wrong number of args: " + args.length);
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}
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final boolean hasCompressedKlassPointers = Platform.is64bit();
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final boolean useCompressedKlassPointers = Boolean.parseBoolean(args[0]);
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final String gcArg = args[1];
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if (!hasCompressedKlassPointers && useCompressedKlassPointers) {
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// No need to run this configuration.
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System.out.println("Skipping test.");
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return;
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}
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List<String> jvmArgs = new ArrayList<>();
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if (hasCompressedKlassPointers) {
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jvmArgs.add(useCompressedKlassPointers ? "-XX:+UseCompressedClassPointers" : "-XX:-UseCompressedClassPointers");
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}
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jvmArgs.add(gcArg);
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jvmArgs.add("-Xmx256m");
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jvmArgs.add("-Xlog:gc,gc+metaspace=info");
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jvmArgs.add(TestSizeTransitions.Run.class.getName());
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System.out.println("JVM args:");
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for (String a : jvmArgs) {
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System.out.println(" " + a);
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}
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final OutputAnalyzer output = ProcessTools.executeLimitedTestJava(jvmArgs);
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System.out.println(output.getStdout());
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output.shouldHaveExitValue(0);
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if (useCompressedKlassPointers) {
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output.stdoutShouldMatch(COMPRESSED_KLASS_POINTERS_REGEX);
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output.stdoutShouldNotMatch(NO_COMPRESSED_KLASS_POINTERS_REGEX);
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} else {
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output.stdoutShouldMatch(NO_COMPRESSED_KLASS_POINTERS_REGEX);
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output.stdoutShouldNotMatch(COMPRESSED_KLASS_POINTERS_REGEX);
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}
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}
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}
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