jdk8-mips64-public/hotspot: test/runtime/Metaspace/FragmentMetaspace.java@dbb05f6d93c4

8051344: JVM crashed in Compile::start() during method parsing w/ UseRTMDeopt turned on
Summary: call rtm_deopt() only if there were no compilation bailouts before.
Reviewed-by: kvn

     1 /*

     2  * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.

     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  */

    24 /**

    25  * @test

    26  * @library /runtime/testlibrary

    27  * @build GeneratedClassLoader

    28  * @run main/othervm/timeout=200 FragmentMetaspace

    29  */

    31 import java.io.IOException;

    33 /**

    34  * Test that tries to fragment the native memory used by class loaders.

    35  * This test creates class loaders that load classes of increasing size for every

    36  * iteration. By increasing the size of the class meta data needed for every iteration

    37  * we stress the subsystem for allocating native memory for meta data.

    38  */

    39 public class FragmentMetaspace {

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

    42         runGrowing(Long.valueOf(System.getProperty("time", "80000")));

    43         // try to clean up and unload classes to decrease

    44         // class verification time in debug vm

    45         System.gc();

    46     }

    48     private static void runGrowing(long time) {

    49         long startTime = System.currentTimeMillis();

    50         for (int i = 0; System.currentTimeMillis() < startTime + time; ++i) {

    51             try {

    52                 GeneratedClassLoader gcl = new GeneratedClassLoader();

    54                 Class<?> c = gcl.getGeneratedClasses(i, 100)[0];

    55                 c.newInstance();

    56                 c = null;

    58                 gcl = null;

    59             } catch (IOException|InstantiationException|IllegalAccessException ex) {

    60                 throw new RuntimeException(ex);

    61             }

    62         }

    63     }

    64 }

Mercurial > jdk8-mips64-public > hotspot / file revision

test/runtime/Metaspace/FragmentMetaspace.java@dbb05f6d93c4

test/runtime/Metaspace/FragmentMetaspace.java