| /* |
| * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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| */ |
| |
| /* |
| * @test TestInitialGCThreadLogging |
| * @bug 8157240 |
| * @summary Check trace logging of initial GC threads. |
| * @requires vm.gc=="null" |
| * @key gc |
| * @modules java.base/jdk.internal.misc |
| * @library /test/lib |
| */ |
| |
| import jdk.test.lib.process.ProcessTools; |
| import jdk.test.lib.process.OutputAnalyzer; |
| |
| public class TestInitialGCThreadLogging { |
| public static void main(String[] args) throws Exception { |
| |
| testInitialGCThreadLogging("UseConcMarkSweepGC", "GC Thread"); |
| |
| testInitialGCThreadLogging("UseG1GC", "GC Thread"); |
| |
| testInitialGCThreadLogging("UseParallelGC", "ParGC Thread"); |
| } |
| |
| private static void verifyDynamicNumberOfGCThreads(OutputAnalyzer output, String threadName) { |
| output.shouldHaveExitValue(0); // test should run succesfully |
| output.shouldContain(threadName); |
| } |
| |
| private static void testInitialGCThreadLogging(String gcFlag, String threadName) throws Exception { |
| // UseDynamicNumberOfGCThreads and TraceDynamicGCThreads enabled |
| String[] baseArgs = {"-XX:+" + gcFlag, "-Xmx10M", "-XX:+UseDynamicNumberOfGCThreads", "-Xlog:gc+task=trace", "-version"}; |
| |
| // Base test with gc and +UseDynamicNumberOfGCThreads: |
| ProcessBuilder pb_enabled = ProcessTools.createJavaProcessBuilder(baseArgs); |
| verifyDynamicNumberOfGCThreads(new OutputAnalyzer(pb_enabled.start()), threadName); |
| } |
| } |