79 lines
2.7 KiB
Java
79 lines
2.7 KiB
Java
/*
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* Copyright (c) 2017, 2018, Red Hat, Inc. 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 that Shenandoah reacts to explicit GC flags appropriately
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* @requires vm.gc.Shenandoah
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* @library /test/lib
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* @modules java.base/jdk.internal.misc
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* java.management
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* @run driver TestExplicitGCNoConcurrent
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*/
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import jdk.test.lib.process.ProcessTools;
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import jdk.test.lib.process.OutputAnalyzer;
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public class TestExplicitGCNoConcurrent {
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public static void main(String[] args) throws Exception {
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if (args.length > 0) {
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System.out.println("Calling System.gc()");
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System.gc();
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return;
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}
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String[] concurrent = new String[] {
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"Pause Init Mark",
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"Pause Final Mark",
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"Pause Init Update Refs",
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"Pause Final Update Refs",
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"Pause Init Traversal",
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"Pause Final Traversal",
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};
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String[] opts = new String[] {
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"",
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"-XX:-ExplicitGCInvokesConcurrent",
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"-XX:+ExplicitGCInvokesConcurrent"
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};
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for (String opt : opts) {
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OutputAnalyzer output = ProcessTools.executeLimitedTestJava(
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"-Xmx128m",
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"-XX:+UnlockExperimentalVMOptions",
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"-XX:+UseShenandoahGC",
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"-Xlog:gc",
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"-XX:+UnlockDiagnosticVMOptions",
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opt,
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"-XX:ShenandoahGCHeuristics=passive",
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TestExplicitGCNoConcurrent.class.getName(),
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"test");
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for (String p : concurrent) {
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output.shouldNotContain(p);
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}
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}
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}
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}
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