view test/gc/arguments/TestMinInitialErgonomics.java @ 12986:1b422ef5288a

8025728: Missing volatile specifier for field G1AllocRegion::_alloc_region Summary: The field G1AllocRegion::_alloc_region needs to be declared volatile as it is used with that intention. Otherwise the compiler may generate the code that reloads the value which might have changed in the meantime, leading to spurious crashes. Reviewed-by: iveresov, simonis, tschatzl Contributed-by: Axel Siebenborn <axel.siebenborn@sap.com>
author tschatzl
date Wed, 23 Oct 2013 10:23:06 +0200
parents 7a95933197d0
children
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/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
* This code is distributed in the hope that it will be useful, but WITHOUT
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* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
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*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/**
 * @test TestMinInitialErgonomics
 * @key gc
 * @bug 8006088
 * @summary Test ergonomics decisions related to minimum and initial heap size.
 * @library /testlibrary /testlibrary/whitebox
 * @build TestMinInitialErgonomics TestMaxHeapSizeTools
 * @run main ClassFileInstaller sun.hotspot.WhiteBox
 * @run main/othervm TestMinInitialErgonomics
 * @author thomas.schatzl@oracle.com
 */

public class TestMinInitialErgonomics {

  public static void main(String args[]) throws Exception {
    final String gcName = "-XX:+UseParallelGC";
    // check ergonomic decisions about minimum and initial heap size in
    // a single gc only as ergonomics are the same everywhere.
    TestMaxHeapSizeTools.checkMinInitialErgonomics(gcName);
  }
}