| /* |
| * Copyright (c) 2014, 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 |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test TestGCId |
| * @bug 8043607 |
| * @summary Ensure that the GCId is logged |
| * @key gc |
| * @library /testlibrary |
| */ |
| |
| import com.oracle.java.testlibrary.ProcessTools; |
| import com.oracle.java.testlibrary.OutputAnalyzer; |
| |
| public class TestGCId { |
| public static void main(String[] args) throws Exception { |
| testGCId("UseParallelGC", "PrintGC"); |
| testGCId("UseParallelGC", "PrintGCDetails"); |
| |
| testGCId("UseG1GC", "PrintGC"); |
| testGCId("UseG1GC", "PrintGCDetails"); |
| |
| testGCId("UseConcMarkSweepGC", "PrintGC"); |
| testGCId("UseConcMarkSweepGC", "PrintGCDetails"); |
| |
| testGCId("UseSerialGC", "PrintGC"); |
| testGCId("UseSerialGC", "PrintGCDetails"); |
| } |
| |
| private static void verifyContainsGCIDs(OutputAnalyzer output) { |
| output.shouldMatch("^#0: \\["); |
| output.shouldMatch("^#1: \\["); |
| output.shouldHaveExitValue(0); |
| } |
| |
| private static void verifyContainsNoGCIDs(OutputAnalyzer output) { |
| output.shouldNotMatch("^#[0-9]+: \\["); |
| output.shouldHaveExitValue(0); |
| } |
| |
| private static void testGCId(String gcFlag, String logFlag) throws Exception { |
| // GCID logging enabled |
| ProcessBuilder pb_enabled = |
| ProcessTools.createJavaProcessBuilder("-XX:+" + gcFlag, "-XX:+" + logFlag, "-Xmx10M", "-XX:+PrintGCID", GCTest.class.getName()); |
| verifyContainsGCIDs(new OutputAnalyzer(pb_enabled.start())); |
| |
| // GCID logging disabled |
| ProcessBuilder pb_disabled = |
| ProcessTools.createJavaProcessBuilder("-XX:+" + gcFlag, "-XX:+" + logFlag, "-Xmx10M", "-XX:-PrintGCID", GCTest.class.getName()); |
| verifyContainsNoGCIDs(new OutputAnalyzer(pb_disabled.start())); |
| |
| // GCID logging default |
| ProcessBuilder pb_default = |
| ProcessTools.createJavaProcessBuilder("-XX:+" + gcFlag, "-XX:+" + logFlag, "-Xmx10M", GCTest.class.getName()); |
| verifyContainsNoGCIDs(new OutputAnalyzer(pb_default.start())); |
| } |
| |
| static class GCTest { |
| private static byte[] garbage; |
| public static void main(String [] args) { |
| System.out.println("Creating garbage"); |
| // create 128MB of garbage. This should result in at least one GC |
| for (int i = 0; i < 1024; i++) { |
| garbage = new byte[128 * 1024]; |
| } |
| // do a system gc to get one more gc |
| System.gc(); |
| System.out.println("Done"); |
| } |
| } |
| } |