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8227179: Test for new gc+metaspace=info output format
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test/hotspot/jtreg/gc/metaspace/TestSizeTransitions.java
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/* | ||
* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. | ||
* Copyright (c) 2019, Twitter, Inc. | ||
* 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. | ||
* | ||
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
* or visit www.oracle.com if you need additional information or have any | ||
* questions. | ||
* | ||
*/ | ||
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package gc.metaspace; | ||
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import jdk.test.lib.process.ProcessTools; | ||
import jdk.test.lib.process.OutputAnalyzer; | ||
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/* @test TestSizeTransitionsSerial | ||
* @key gc | ||
* @requires vm.gc.Serial | ||
* @summary Tests that the metaspace size transition logging is done correctly. | ||
* @library /test/lib | ||
* @run driver gc.metaspace.TestSizeTransitions false -XX:+UseSerialGC | ||
* @run driver gc.metaspace.TestSizeTransitions true -XX:+UseSerialGC | ||
*/ | ||
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/* @test TestSizeTransitionsParallel | ||
* @key gc | ||
* @requires vm.gc.Parallel | ||
* @summary Tests that the metaspace size transition logging is done correctly. | ||
* @library /test/lib | ||
* @run driver gc.metaspace.TestSizeTransitions false -XX:+UseParallelGC | ||
* @run driver gc.metaspace.TestSizeTransitions true -XX:+UseParallelGC | ||
*/ | ||
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/* @test TestSizeTransitionsG1 | ||
* @key gc | ||
* @requires vm.gc.G1 | ||
* @summary Tests that the metaspace size transition logging is done correctly. | ||
* @library /test/lib | ||
* @run driver gc.metaspace.TestSizeTransitions false -XX:+UseG1GC | ||
* @run driver gc.metaspace.TestSizeTransitions true -XX:+UseG1GC | ||
*/ | ||
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/* @test TestSizeTransitionsCMS | ||
* @key gc | ||
* @requires vm.gc.ConcMarkSweep | ||
* @summary Tests that the metaspace size transition logging is done correctly. | ||
* @library /test/lib | ||
* @run driver gc.metaspace.TestSizeTransitions false -XX:+UseConcMarkSweepGC | ||
* @run driver gc.metaspace.TestSizeTransitions true -XX:+UseConcMarkSweepGC | ||
*/ | ||
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public class TestSizeTransitions { | ||
public static class Run { | ||
public static void main(String... args) throws Exception { | ||
System.out.println("Run started."); | ||
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// easiest way to generate a metaspace transition is to ask for a full GC | ||
System.gc(); | ||
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System.out.println("Run finished."); | ||
} | ||
} | ||
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// matches the log tags | ||
// e.g., [0.043s][info][gc] | ||
private static final String LOG_TAGS_REGEX = "(\\[.*\\])+ "; | ||
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// matches a size transition | ||
// e.g., 177K(4864K)->177K(4864K) | ||
private static final String SIZE_TRANSITION_REGEX = "\\d+K\\(\\d+K\\)->\\d+K\\(\\d+K\\)"; | ||
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// matches -coops metaspace size transitions | ||
private static final String NO_COOPS_REGEX = | ||
String.format("^%s.* Metaspace: %s$", | ||
LOG_TAGS_REGEX, | ||
SIZE_TRANSITION_REGEX); | ||
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// matches +coops metaspace size transitions | ||
private static final String COOPS_REGEX = | ||
String.format("^%s.* Metaspace: %s NonClass: %s Class: %s$", | ||
LOG_TAGS_REGEX, | ||
SIZE_TRANSITION_REGEX, | ||
SIZE_TRANSITION_REGEX, | ||
SIZE_TRANSITION_REGEX); | ||
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public static void main(String... args) throws Exception { | ||
// args: <use-coops> <gc-arg> | ||
if (args.length != 2) { | ||
throw new RuntimeException("wrong number of args: " + args.length); | ||
} | ||
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final boolean useCoops = Boolean.parseBoolean(args[0]); | ||
final String gcArg = args[1]; | ||
final String[] jvmArgs = { | ||
useCoops ? "-XX:+UseCompressedOops" : "-XX:-UseCompressedOops", | ||
gcArg, | ||
"-Xmx256m", | ||
"-Xlog:gc,gc+metaspace=info", | ||
TestSizeTransitions.Run.class.getName() | ||
}; | ||
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System.out.println("JVM args:"); | ||
for (String a : jvmArgs) { | ||
System.out.println(" " + a); | ||
} | ||
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final ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(jvmArgs); | ||
final OutputAnalyzer output = new OutputAnalyzer(pb.start()); | ||
System.out.println(output.getStdout()); | ||
output.shouldHaveExitValue(0); | ||
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if (useCoops) { | ||
output.stdoutShouldMatch(COOPS_REGEX); | ||
output.stdoutShouldNotMatch(NO_COOPS_REGEX); | ||
} else { | ||
output.stdoutShouldMatch(NO_COOPS_REGEX); | ||
output.stdoutShouldNotMatch(COOPS_REGEX); | ||
} | ||
} | ||
} |
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