tschatzl@6402: /*
tschatzl@6402:  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
tschatzl@6402:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
tschatzl@6402:  *
tschatzl@6402:  * This code is free software; you can redistribute it and/or modify it
tschatzl@6402:  * under the terms of the GNU General Public License version 2 only, as
tschatzl@6402:  * published by the Free Software Foundation.
tschatzl@6402:  *
tschatzl@6402:  * This code is distributed in the hope that it will be useful, but WITHOUT
tschatzl@6402:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
tschatzl@6402:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
tschatzl@6402:  * version 2 for more details (a copy is included in the LICENSE file that
tschatzl@6402:  * accompanied this code).
tschatzl@6402:  *
tschatzl@6402:  * You should have received a copy of the GNU General Public License version
tschatzl@6402:  * 2 along with this work; if not, write to the Free Software Foundation,
tschatzl@6402:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
tschatzl@6402:  *
tschatzl@6402:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
tschatzl@6402:  * or visit www.oracle.com if you need additional information or have any
tschatzl@6402:  * questions.
tschatzl@6402:  */
tschatzl@6402: 
tschatzl@6402: /*
tschatzl@6402:  * @test TestPrintGCDetails
tschatzl@6405:  * @bug 8035406 8027295 8035398
tschatzl@6402:  * @summary Ensure that the PrintGCDetails output for a minor GC with G1
tschatzl@6402:  * includes the expected necessary messages.
tschatzl@6402:  * @key gc
tschatzl@6402:  * @library /testlibrary
tschatzl@6402:  */
tschatzl@6402: 
tschatzl@6402: import com.oracle.java.testlibrary.ProcessTools;
tschatzl@6402: import com.oracle.java.testlibrary.OutputAnalyzer;
tschatzl@6402: 
tschatzl@6402: public class TestGCLogMessages {
tschatzl@6402:   public static void main(String[] args) throws Exception {
tschatzl@6406:     testNormalLogs();
tschatzl@6406:     testWithToSpaceExhaustionLogs();
tschatzl@6406:   }
tschatzl@6406: 
tschatzl@6406:   private static void testNormalLogs() throws Exception {
tschatzl@6402: 
tschatzl@6402:     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
tschatzl@6402:                                                               "-Xmx10M",
tschatzl@6402:                                                               GCTest.class.getName());
tschatzl@6402: 
tschatzl@6402:     OutputAnalyzer output = new OutputAnalyzer(pb.start());
tschatzl@6402: 
tschatzl@6405:     output.shouldNotContain("[Redirty Cards");
tschatzl@6404:     output.shouldNotContain("[Code Root Purge");
pliden@6413:     output.shouldNotContain("[String Dedup Fixup");
tschatzl@6404:     output.shouldNotContain("[Young Free CSet");
tschatzl@6404:     output.shouldNotContain("[Non-Young Free CSet");
tschatzl@6404:     output.shouldHaveExitValue(0);
tschatzl@6404: 
tschatzl@6404:     pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
pliden@6413:                                                "-XX:+UseStringDeduplication",
tschatzl@6404:                                                "-Xmx10M",
tschatzl@6404:                                                "-XX:+PrintGCDetails",
tschatzl@6404:                                                GCTest.class.getName());
tschatzl@6404: 
tschatzl@6404:     output = new OutputAnalyzer(pb.start());
tschatzl@6404: 
tschatzl@6405:     output.shouldContain("[Redirty Cards");
tschatzl@6402:     output.shouldContain("[Code Root Purge");
pliden@6413:     output.shouldContain("[String Dedup Fixup");
tschatzl@6404:     output.shouldNotContain("[Young Free CSet");
tschatzl@6404:     output.shouldNotContain("[Non-Young Free CSet");
tschatzl@6402:     output.shouldHaveExitValue(0);
tschatzl@6404: 
tschatzl@6404:     pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
pliden@6413:                                                "-XX:+UseStringDeduplication",
tschatzl@6404:                                                "-Xmx10M",
tschatzl@6404:                                                "-XX:+PrintGCDetails",
tschatzl@6404:                                                "-XX:+UnlockExperimentalVMOptions",
tschatzl@6404:                                                "-XX:G1LogLevel=finest",
tschatzl@6404:                                                GCTest.class.getName());
tschatzl@6404: 
tschatzl@6404:     output = new OutputAnalyzer(pb.start());
tschatzl@6404: 
tschatzl@6405:     output.shouldContain("[Redirty Cards");
tschatzl@6404:     output.shouldContain("[Code Root Purge");
pliden@6413:     output.shouldContain("[String Dedup Fixup");
tschatzl@6404:     output.shouldContain("[Young Free CSet");
tschatzl@6404:     output.shouldContain("[Non-Young Free CSet");
tschatzl@6406: 
tschatzl@6406:     // also check evacuation failure messages once
tschatzl@6406:     output.shouldNotContain("[Evacuation Failure");
tschatzl@6406:     output.shouldNotContain("[Recalculate Used");
tschatzl@6406:     output.shouldNotContain("[Remove Self Forwards");
tschatzl@6406:     output.shouldNotContain("[Restore RemSet");
tschatzl@6406:     output.shouldHaveExitValue(0);
tschatzl@6406:   }
tschatzl@6406: 
tschatzl@6406:   private static void testWithToSpaceExhaustionLogs() throws Exception {
tschatzl@6406:     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
tschatzl@6406:                                                "-Xmx10M",
tschatzl@6406:                                                "-Xmn5M",
tschatzl@6406:                                                "-XX:+PrintGCDetails",
tschatzl@6406:                                                GCTestWithToSpaceExhaustion.class.getName());
tschatzl@6406: 
tschatzl@6406:     OutputAnalyzer output = new OutputAnalyzer(pb.start());
tschatzl@6406:     output.shouldContain("[Evacuation Failure");
tschatzl@6406:     output.shouldNotContain("[Recalculate Used");
tschatzl@6406:     output.shouldNotContain("[Remove Self Forwards");
tschatzl@6406:     output.shouldNotContain("[Restore RemSet");
tschatzl@6404:     output.shouldHaveExitValue(0);
tschatzl@6404: 
tschatzl@6406:     pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
tschatzl@6406:                                                "-Xmx10M",
tschatzl@6406:                                                "-Xmn5M",
tschatzl@6406:                                                "-XX:+PrintGCDetails",
tschatzl@6406:                                                "-XX:+UnlockExperimentalVMOptions",
tschatzl@6406:                                                "-XX:G1LogLevel=finest",
tschatzl@6406:                                                GCTestWithToSpaceExhaustion.class.getName());
tschatzl@6406: 
tschatzl@6406:     output = new OutputAnalyzer(pb.start());
tschatzl@6406:     output.shouldContain("[Evacuation Failure");
tschatzl@6406:     output.shouldContain("[Recalculate Used");
tschatzl@6406:     output.shouldContain("[Remove Self Forwards");
tschatzl@6406:     output.shouldContain("[Restore RemSet");
tschatzl@6406:     output.shouldHaveExitValue(0);
tschatzl@6402:   }
tschatzl@6402: 
tschatzl@6402:   static class GCTest {
tschatzl@6402:     private static byte[] garbage;
tschatzl@6402:     public static void main(String [] args) {
tschatzl@6402:       System.out.println("Creating garbage");
tschatzl@6402:       // create 128MB of garbage. This should result in at least one GC
tschatzl@6402:       for (int i = 0; i < 1024; i++) {
tschatzl@6402:         garbage = new byte[128 * 1024];
tschatzl@6402:       }
tschatzl@6402:       System.out.println("Done");
tschatzl@6402:     }
tschatzl@6402:   }
tschatzl@6406: 
tschatzl@6406:   static class GCTestWithToSpaceExhaustion {
tschatzl@6406:     private static byte[] garbage;
tschatzl@6406:     private static byte[] largeObject;
tschatzl@6406:     public static void main(String [] args) {
tschatzl@6406:       largeObject = new byte[5*1024*1024];
tschatzl@6406:       System.out.println("Creating garbage");
tschatzl@6406:       // create 128MB of garbage. This should result in at least one GC,
tschatzl@6406:       // some of them with to-space exhaustion.
tschatzl@6406:       for (int i = 0; i < 1024; i++) {
tschatzl@6406:         garbage = new byte[128 * 1024];
tschatzl@6406:       }
tschatzl@6406:       System.out.println("Done");
tschatzl@6406:     }
tschatzl@6406:   }
tschatzl@6402: }