1 /*

     2  * Copyright (c) 2017, Red Hat, Inc. and/or its affiliates.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 /**

    25  * @test TestDieWithHeapDump

    26  * @summary Epsilon GC should die on heap exhaustion with error handler attached

    27  * @library /test/lib

    28  * @run main TestDieWithHeapDump

    29  */

    30 

    31 import java.io.*;

    32 import jdk.test.lib.process.OutputAnalyzer;

    33 import jdk.test.lib.process.ProcessTools;

    34 

    35 public class TestDieWithHeapDump extends AbstractEpsilonTest {

    36 

    37   public static void passWith(String... args) throws Exception {

    38     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(args);

    39     OutputAnalyzer out = new OutputAnalyzer(pb.start());

    40     out.shouldNotContain("OutOfMemoryError");

    41     out.shouldHaveExitValue(0);

    42   }

    43 

    44   public static void failWith(String... args) throws Exception {

    45     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(args);

    46     Process p = pb.start();

    47     OutputAnalyzer out = new OutputAnalyzer(p);

    48     out.shouldContain("OutOfMemoryError");

    49     if (out.getExitValue() == 0) {

    50       throw new IllegalStateException("Should have failed with non-zero exit code");

    51     }

    52     String heapDump = "java_pid" + p.pid() + ".hprof";

    53     if (!new File(heapDump).exists()) {

    54       throw new IllegalStateException("Should have produced the heap dump at: " + heapDump);

    55     }

    56   }

    57 

    58   public static void main(String[] args) throws Exception {

    59     if (!isEpsilonEnabled()) return;

    60 

    61     passWith("-Xmx128m",

    62              "-XX:+UnlockExperimentalVMOptions",

    63              "-XX:+UseEpsilonGC",

    64              "-Dcount=1",

    65              "-XX:+HeapDumpOnOutOfMemoryError",

    66              TestDieWithHeapDump.Workload.class.getName());

    67 

    68     failWith("-Xmx128m",

    69              "-XX:+UnlockExperimentalVMOptions",

    70              "-XX:+UseEpsilonGC",

    71              "-XX:+HeapDumpOnOutOfMemoryError",

    72              TestDieWithHeapDump.Workload.class.getName());

    73 

    74     failWith("-Xmx128m",

    75              "-Xint",

    76              "-XX:+UnlockExperimentalVMOptions",

    77              "-XX:+UseEpsilonGC",

    78              "-XX:+HeapDumpOnOutOfMemoryError",

    79              TestDieWithHeapDump.Workload.class.getName());

    80 

    81     failWith("-Xmx128m",

    82              "-Xbatch",

    83              "-Xcomp",

    84              "-XX:+UnlockExperimentalVMOptions",

    85              "-XX:+UseEpsilonGC",

    86              "-XX:+HeapDumpOnOutOfMemoryError",

    87              TestDieWithHeapDump.Workload.class.getName());

    88 

    89     failWith("-Xmx128m",

    90              "-Xbatch",

    91              "-Xcomp",

    92              "-XX:TieredStopAtLevel=1",

    93              "-XX:+UnlockExperimentalVMOptions",

    94              "-XX:+UseEpsilonGC",

    95              "-XX:+HeapDumpOnOutOfMemoryError",

    96              TestDieWithHeapDump.Workload.class.getName());

    97 

    98     failWith("-Xmx128m",

    99              "-Xbatch",

   100              "-Xcomp",

   101              "-XX:TieredStopAtLevel=4",

   102              "-XX:+UnlockExperimentalVMOptions",

   103              "-XX:+UseEpsilonGC",

   104              "-XX:+HeapDumpOnOutOfMemoryError",

   105              TestDieWithHeapDump.Workload.class.getName());

   106   }

   107 

   108   public static class Workload {

   109     static int COUNT = Integer.getInteger("count", 1_000_000_000); // ~24 GB allocation

   110 

   111     static volatile Object sink;

   112 

   113     public static void main(String... args) {

   114       for (int c = 0; c < COUNT; c++) {

   115         sink = new Object();

   116       }

   117     }

   118   }

   119 

   120 }