105 lines
4.1 KiB
Java
105 lines
4.1 KiB
Java
/*
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* Copyright (c) 2015, 2022, 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.g1.mixedgc;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import gc.testlibrary.g1.MixedGCProvoker;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.process.ProcessTools;
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/*
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* @test TestLogging
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* @summary Check that a mixed GC is reflected in the gc logs
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* @requires vm.gc.G1
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* @requires vm.opt.MaxGCPauseMillis == "null"
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* @library /test/lib /
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* @modules java.base/jdk.internal.misc
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* @modules java.management
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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.g1.mixedgc.TestLogging
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*/
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/**
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* Test spawns MixedGCProvoker in a separate VM and expects to find a message
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* telling that a mixed gc has happened
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*/
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public class TestLogging {
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private static final String[] COMMON_OPTIONS = new String[]{
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"-Xbootclasspath/a:.", "-XX:+UseG1GC",
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"-XX:+UnlockExperimentalVMOptions",
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:+WhiteBoxAPI",
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"-Xms10M", "-Xmx10M", "-XX:NewSize=2M", "-XX:MaxNewSize=2M",
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"-XX:+AlwaysTenure", // surviving promote objects immediately
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"-XX:InitiatingHeapOccupancyPercent=100", // set initial CMC threshold and disable adaptive IHOP
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"-XX:-G1UseAdaptiveIHOP", // to avoid additional concurrent cycles caused by ergonomics
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"-XX:G1MixedGCCountTarget=4",
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"-XX:MaxGCPauseMillis=30000", // to have enough time
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"-XX:G1HeapRegionSize=1m", "-XX:G1HeapWastePercent=0",
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"-XX:G1MixedGCLiveThresholdPercent=100"};
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public static void main(String args[]) throws Exception {
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// Test turns logging on by giving -Xlog:gc flag
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test("-Xlog:gc,gc+heap=debug");
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// Test turns logging on by giving -Xlog:gc=debug flag
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test("-Xlog:gc=debug,gc+heap=debug");
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}
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private static void test(String vmFlag) throws Exception {
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System.out.println(String.format("%s: running with %s flag", TestLogging.class.getSimpleName(), vmFlag));
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OutputAnalyzer output = spawnMixedGCProvoker(vmFlag);
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System.out.println(output.getStdout());
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output.shouldHaveExitValue(0);
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output.shouldContain("Pause Young (Mixed)");
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}
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/**
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* Method spawns MixedGCProvoker with addition flags set
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*
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* @parameter extraFlags -flags to be added to the common options set
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*/
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private static OutputAnalyzer spawnMixedGCProvoker(String... extraFlags)
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throws Exception {
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List<String> testOpts = new ArrayList<>();
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Collections.addAll(testOpts, COMMON_OPTIONS);
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Collections.addAll(testOpts, extraFlags);
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testOpts.add(RunMixedGC.class.getName());
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System.out.println(testOpts);
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ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(testOpts);
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return new OutputAnalyzer(pb.start());
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}
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}
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class RunMixedGC {
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public static void main(String[] args) {
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final int MB = 1024 * 1024;
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MixedGCProvoker.allocateAndProvokeMixedGC(MB);
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}
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}
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