132 lines
4.7 KiB
Java
132 lines
4.7 KiB
Java
/*
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* Copyright (c) 2017, 2020, 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 periodic GC is working
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* @requires vm.gc.Shenandoah
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* @library /test/lib
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* @run driver TestPeriodicGC
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*/
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import java.util.*;
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import jdk.test.lib.Asserts;
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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 TestPeriodicGC {
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public static void testWith(String msg, boolean periodic, String... args) throws Exception {
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String[] cmds = Arrays.copyOf(args, args.length + 2);
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cmds[args.length] = TestPeriodicGC.class.getName();
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cmds[args.length + 1] = "test";
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OutputAnalyzer output = ProcessTools.executeLimitedTestJava(cmds);
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output.shouldHaveExitValue(0);
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if (periodic && !output.getOutput().contains("Trigger: Time since last GC")) {
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throw new AssertionError(msg + ": Should have periodic GC in logs");
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}
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if (!periodic && output.getOutput().contains("Trigger: Time since last GC")) {
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throw new AssertionError(msg + ": Should not have periodic GC in logs");
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}
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}
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public static void main(String[] args) throws Exception {
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if (args.length > 0 && args[0].equals("test")) {
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Thread.sleep(5000); // stay idle
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return;
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}
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String[] enabled = new String[] {
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"adaptive",
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"compact",
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"static",
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};
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for (String h : enabled) {
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testWith("Zero interval with " + h,
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false,
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"-Xlog:gc",
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:+UnlockExperimentalVMOptions",
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"-XX:+UseShenandoahGC",
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"-XX:ShenandoahGCHeuristics=" + h,
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"-XX:ShenandoahGuaranteedGCInterval=0"
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);
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testWith("Short interval with " + h,
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true,
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"-Xlog:gc",
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:+UnlockExperimentalVMOptions",
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"-XX:+UseShenandoahGC",
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"-XX:ShenandoahGCHeuristics=" + h,
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"-XX:ShenandoahGuaranteedGCInterval=1000"
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);
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testWith("Long interval with " + h,
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false,
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"-Xlog:gc",
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:+UnlockExperimentalVMOptions",
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"-XX:+UseShenandoahGC",
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"-XX:ShenandoahGCHeuristics=" + h,
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"-XX:ShenandoahGuaranteedGCInterval=100000" // deliberately too long
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);
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}
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testWith("Short interval with aggressive",
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false,
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"-Xlog:gc",
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:+UnlockExperimentalVMOptions",
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"-XX:+UseShenandoahGC",
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"-XX:ShenandoahGCHeuristics=aggressive",
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"-XX:ShenandoahGuaranteedGCInterval=1000"
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);
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testWith("Zero interval with passive",
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false,
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"-Xlog:gc",
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:+UnlockExperimentalVMOptions",
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"-XX:+UseShenandoahGC",
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"-XX:ShenandoahGCMode=passive",
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"-XX:ShenandoahGuaranteedGCInterval=0"
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);
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testWith("Short interval with passive",
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false,
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"-Xlog:gc",
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:+UnlockExperimentalVMOptions",
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"-XX:+UseShenandoahGC",
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"-XX:ShenandoahGCMode=passive",
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"-XX:ShenandoahGuaranteedGCInterval=1000"
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);
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}
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}
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