135 lines
5.8 KiB
Java
135 lines
5.8 KiB
Java
/*
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* Copyright (c) 2015, 2023, 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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package gc.arguments;
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/*
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* @test TestVerifyBeforeAndAfterGCFlags
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* @bug 8000831
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* @summary Runs an simple application (GarbageProducer) with various
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combinations of -XX:{+|-}Verify{After|Before}GC flags and checks that
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output contain or doesn't contain expected patterns
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* @requires vm.gc != "Z" & vm.gc != "Shenandoah"
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* @modules java.base/jdk.internal.misc
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* @modules java.management
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* @library /test/lib
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* @library /
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* @build jdk.test.whitebox.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
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* @run driver gc.arguments.TestVerifyBeforeAndAfterGCFlags
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*/
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import java.util.ArrayList;
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import java.util.Collections;
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import jdk.test.lib.Utils;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.whitebox.WhiteBox;
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public class TestVerifyBeforeAndAfterGCFlags {
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// VerifyBeforeGC:[Verifying threads heap tenured eden syms strs zone dict metaspace chunks hand code cache ]
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public static final String VERIFY_BEFORE_GC_PATTERN = "Verifying Before GC";
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// VerifyBeforeGC: VerifyBeforeGC: VerifyBeforeGC:
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public static final String VERIFY_BEFORE_GC_CORRUPTED_PATTERN = "VerifyBeforeGC:(?!\\[Verifying[^]]+\\])";
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// VerifyAfterGC:[Verifying threads heap tenured eden syms strs zone dict metaspace chunks hand code cache ]
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public static final String VERIFY_AFTER_GC_PATTERN = "Verifying After GC";
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// VerifyAfterGC: VerifyAfterGC: VerifyAfterGC:
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public static final String VERIFY_AFTER_GC_CORRUPTED_PATTERN = "VerifyAfterGC:(?!\\[Verifying[^]]+\\])";
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public static void main(String args[]) throws Exception {
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String[] filteredOpts = Utils.getFilteredTestJavaOpts(
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new String[] { "-Xlog:gc+verify=debug",
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"-XX:+UseGCLogFileRotation",
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"-XX:-DisplayVMOutput",
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"VerifyBeforeGC",
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"VerifyAfterGC" });
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// Young GC
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testVerifyFlags(false, false, false, filteredOpts);
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testVerifyFlags(true, true, false, filteredOpts);
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testVerifyFlags(true, false, false, filteredOpts);
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testVerifyFlags(false, true, false, filteredOpts);
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// Full GC
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testVerifyFlags(false, false, true, filteredOpts);
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testVerifyFlags(true, true, true, filteredOpts);
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testVerifyFlags(true, false, true, filteredOpts);
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testVerifyFlags(false, true, true, filteredOpts);
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}
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public static void testVerifyFlags(boolean verifyBeforeGC,
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boolean verifyAfterGC,
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boolean doFullGC,
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String[] opts) throws Exception {
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ArrayList<String> vmOpts = new ArrayList<>();
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if (opts != null && (opts.length > 0)) {
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Collections.addAll(vmOpts, opts);
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}
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Collections.addAll(vmOpts, new String[] {
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"-Xbootclasspath/a:.",
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:+WhiteBoxAPI",
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"-Xlog:gc+verify=debug",
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"-Xmx5m",
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"-Xms5m",
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"-Xmn3m",
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(verifyBeforeGC ? "-XX:+VerifyBeforeGC"
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: "-XX:-VerifyBeforeGC"),
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(verifyAfterGC ? "-XX:+VerifyAfterGC"
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: "-XX:-VerifyAfterGC"),
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GarbageProducer.class.getName(),
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doFullGC ? "t" : "f" });
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OutputAnalyzer analyzer = GCArguments.executeLimitedTestJava(vmOpts);
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analyzer.shouldHaveExitValue(0);
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analyzer.shouldNotMatch(VERIFY_BEFORE_GC_CORRUPTED_PATTERN);
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analyzer.shouldNotMatch(VERIFY_AFTER_GC_CORRUPTED_PATTERN);
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if (verifyBeforeGC) {
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analyzer.shouldMatch(VERIFY_BEFORE_GC_PATTERN);
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} else {
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analyzer.shouldNotMatch(VERIFY_BEFORE_GC_PATTERN);
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}
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if (verifyAfterGC) {
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analyzer.shouldMatch(VERIFY_AFTER_GC_PATTERN);
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} else {
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analyzer.shouldNotMatch(VERIFY_AFTER_GC_PATTERN);
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}
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}
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public static class GarbageProducer {
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static long[][] garbage = new long[10][];
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public static void main(String args[]) {
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WhiteBox wb = WhiteBox.getWhiteBox();
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if (args[0].equals("t")) {
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wb.fullGC();
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} else {
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wb.youngGC();
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}
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}
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}
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}
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