87 lines
3.5 KiB
Java
87 lines
3.5 KiB
Java
/*
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* Copyright (c) 2018, 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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*/
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/*
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* @test
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* @summary Test how CDS dumping handles the existence of humongous G1 regions.
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* @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds /test/hotspot/jtreg/runtime/cds/appcds/test-classes
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* @requires vm.cds.archived.java.heap
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* @requires vm.flavor != "minimal"
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* @build HumongousDuringDumpTransformer Hello
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* @run main/othervm/timeout=240 HumongousDuringDump
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*/
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import jdk.test.lib.cds.CDSOptions;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.process.ProcessTools;
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public class HumongousDuringDump {
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public static String appClasses[] = {
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"Hello",
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};
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public static String agentClasses[] = {
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"HumongousDuringDumpTransformer",
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};
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public static void main(String[] args) throws Throwable {
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String agentJar =
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ClassFileInstaller.writeJar("HumongousDuringDumpTransformer.jar",
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ClassFileInstaller.Manifest.fromSourceFile("HumongousDuringDumpTransformer.mf"),
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agentClasses);
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String appJar =
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ClassFileInstaller.writeJar("HumongousDuringDumpApp.jar", appClasses);
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String gcLog = Boolean.getBoolean("test.cds.verbose.gc") ?
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"-Xlog:gc*=info,gc+region=trace,gc+alloc+region=debug" : "-showversion";
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String extraArg = "-javaagent:" + agentJar;
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String extraOption = "-XX:+AllowArchivingWithJavaAgent";
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OutputAnalyzer out =
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TestCommon.testDump(appJar, TestCommon.list("Hello"),
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"-XX:+UnlockDiagnosticVMOptions", extraOption,
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"-Xlog:gc+region+cds",
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"-Xlog:gc+region=trace",
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extraArg, "-Xmx64m", gcLog);
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out.shouldContain("(Unmovable) humongous regions have been found and may lead to fragmentation");
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out.shouldContain("All free regions should be at the top end of the heap, but we found holes.");
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out.shouldMatch("gc,region,cds. HeapRegion .* HUM. hole");
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String pattern = "gc,region,cds. HeapRegion .*hole";
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out.shouldMatch(pattern);
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out.shouldNotMatch(pattern + ".*unexpected");
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TestCommon.run(
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"-cp", appJar,
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"-verbose",
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"-Xmx64m",
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"-XX:+PrintSharedSpaces",
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"-XX:+UnlockDiagnosticVMOptions", extraOption,
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gcLog,
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"Hello")
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.assertNormalExit();
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}
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}
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