jdk8-mips64-public/hotspot: test/gc/concurrentMarkSweep/SystemGCOnForegroundCollector.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 SystemGCOnForegroundCollector

    26  * @summary CMS: Call reset_after_compaction() only if a compaction has been done

    27  * @bug 8013184

    28  * @key gc

    29  * @key regression

    30  * @library /testlibrary

    31  * @run main/othervm SystemGCOnForegroundCollector

    32  * @author jon.masamitsu@oracle.com

    33  */

    35 import com.oracle.java.testlibrary.*;

    37 public class SystemGCOnForegroundCollector {

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

    40     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(

    41       "-showversion",

    42       "-XX:+UseConcMarkSweepGC",

    43       "-XX:MaxTenuringThreshold=1",

    44       "-XX:-UseCMSCompactAtFullCollection",

    45       ThreePlusMSSystemGC.class.getName()

    46       );

    48     OutputAnalyzer output = new OutputAnalyzer(pb.start());

    50     output.shouldNotContain("error");

    52     output.shouldHaveExitValue(0);

    53   }

    55   static class ThreePlusMSSystemGC {

    56     public static void main(String [] args) {

    57       // From running this test 3 System.gc() were always

    58       // enough to see the failure but the cause of the failure

    59       // depends on how objects are allocated in the CMS generation

    60       // which is non-deterministic.  Use 30 iterations for a more

    61       // reliable test.

    62       for (int i = 0; i < 30; i++) {

    63         System.gc();

    64       }

    65     }

    66   }

    67 }

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

test/gc/concurrentMarkSweep/SystemGCOnForegroundCollector.java@dbb05f6d93c4

test/gc/concurrentMarkSweep/SystemGCOnForegroundCollector.java