test/runtime/NMT/ReleaseCommittedMemory.java

Mon, 28 Jul 2014 15:06:38 -0700

author
fzhinkin
date
Mon, 28 Jul 2014 15:06:38 -0700
changeset 6997
dbb05f6d93c4
parent 0
f90c822e73f8
child 7075
ac12996df59b
permissions
-rw-r--r--

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  * @bug 8013120
    27  * @summary Release committed memory and make sure NMT handles it correctly
    28  * @key nmt regression
    29  * @library /testlibrary /testlibrary/whitebox
    30  * @build ReleaseCommittedMemory
    31  * @run main ClassFileInstaller sun.hotspot.WhiteBox
    32  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail ReleaseCommittedMemory
    33  */
    35 import sun.hotspot.WhiteBox;
    37 public class ReleaseCommittedMemory {
    39   public static void main(String args[]) throws Exception {
    40     WhiteBox wb = WhiteBox.getWhiteBox();
    41     long reserveSize = 256 * 1024;
    42     long addr;
    44     addr = wb.NMTReserveMemory(reserveSize);
    45     wb.NMTCommitMemory(addr, 128*1024);
    46     wb.NMTReleaseMemory(addr, reserveSize);
    47     wb.NMTWaitForDataMerge();
    48   }
    49 }

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