| /* |
| * 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 TestGCLogMessages |
| * @bug 8035406 8027295 8035398 8019342 |
| * @summary Ensure that the PrintGCDetails output for a minor GC with G1 |
| * includes the expected necessary messages. |
| * @key gc |
| * @library /testlibrary |
| */ |
| |
| import com.oracle.java.testlibrary.ProcessTools; |
| import com.oracle.java.testlibrary.OutputAnalyzer; |
| |
| public class TestGCLogMessages { |
| public static void main(String[] args) throws Exception { |
| testNormalLogs(); |
| testWithToSpaceExhaustionLogs(); |
| } |
| |
| private static void testNormalLogs() throws Exception { |
| |
| ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC", |
| "-Xmx10M", |
| GCTest.class.getName()); |
| |
| OutputAnalyzer output = new OutputAnalyzer(pb.start()); |
| |
| output.shouldNotContain("[Redirty Cards"); |
| output.shouldNotContain("[Parallel Redirty"); |
| output.shouldNotContain("[Redirtied Cards"); |
| output.shouldNotContain("[Code Root Purge"); |
| output.shouldNotContain("[String Dedup Fixup"); |
| output.shouldNotContain("[Young Free CSet"); |
| output.shouldNotContain("[Non-Young Free CSet"); |
| output.shouldHaveExitValue(0); |
| |
| pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC", |
| "-XX:+UseStringDeduplication", |
| "-Xmx10M", |
| "-XX:+PrintGCDetails", |
| GCTest.class.getName()); |
| |
| output = new OutputAnalyzer(pb.start()); |
| |
| output.shouldContain("[Redirty Cards"); |
| output.shouldNotContain("[Parallel Redirty"); |
| output.shouldNotContain("[Redirtied Cards"); |
| output.shouldContain("[Code Root Purge"); |
| output.shouldContain("[String Dedup Fixup"); |
| output.shouldNotContain("[Young Free CSet"); |
| output.shouldNotContain("[Non-Young Free CSet"); |
| output.shouldHaveExitValue(0); |
| |
| pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC", |
| "-XX:+UseStringDeduplication", |
| "-Xmx10M", |
| "-XX:+PrintGCDetails", |
| "-XX:+UnlockExperimentalVMOptions", |
| "-XX:G1LogLevel=finest", |
| GCTest.class.getName()); |
| |
| output = new OutputAnalyzer(pb.start()); |
| |
| output.shouldContain("[Redirty Cards"); |
| output.shouldContain("[Parallel Redirty"); |
| output.shouldContain("[Redirtied Cards"); |
| output.shouldContain("[Code Root Purge"); |
| output.shouldContain("[String Dedup Fixup"); |
| output.shouldContain("[Young Free CSet"); |
| output.shouldContain("[Non-Young Free CSet"); |
| output.shouldHaveExitValue(0); |
| } |
| |
| private static void testWithToSpaceExhaustionLogs() throws Exception { |
| ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC", |
| "-Xmx10M", |
| "-Xmn5M", |
| "-XX:+PrintGCDetails", |
| GCTestWithToSpaceExhaustion.class.getName()); |
| |
| OutputAnalyzer output = new OutputAnalyzer(pb.start()); |
| output.shouldContain("[Evacuation Failure"); |
| output.shouldNotContain("[Recalculate Used"); |
| output.shouldNotContain("[Remove Self Forwards"); |
| output.shouldNotContain("[Restore RemSet"); |
| output.shouldHaveExitValue(0); |
| |
| pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC", |
| "-Xmx10M", |
| "-Xmn5M", |
| "-XX:+PrintGCDetails", |
| "-XX:+UnlockExperimentalVMOptions", |
| "-XX:G1LogLevel=finest", |
| GCTestWithToSpaceExhaustion.class.getName()); |
| |
| output = new OutputAnalyzer(pb.start()); |
| output.shouldContain("[Evacuation Failure"); |
| output.shouldContain("[Recalculate Used"); |
| output.shouldContain("[Remove Self Forwards"); |
| output.shouldContain("[Restore RemSet"); |
| output.shouldHaveExitValue(0); |
| } |
| |
| 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]; |
| } |
| System.out.println("Done"); |
| } |
| } |
| |
| static class GCTestWithToSpaceExhaustion { |
| private static byte[] garbage; |
| private static byte[] largeObject; |
| public static void main(String [] args) { |
| largeObject = new byte[5*1024*1024]; |
| System.out.println("Creating garbage"); |
| // create 128MB of garbage. This should result in at least one GC, |
| // some of them with to-space exhaustion. |
| for (int i = 0; i < 1024; i++) { |
| garbage = new byte[128 * 1024]; |
| } |
| System.out.println("Done"); |
| } |
| } |
| } |