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 /**
  26  * @test
  27  * @bug 8031320
  28  * @summary Verify that on low abort ratio method will be recompiled.
  29  * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
  30  * @build TestRTMDeoptOnLowAbortRatio
  31  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  32  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  33  *                   -XX:+WhiteBoxAPI TestRTMDeoptOnLowAbortRatio
  34  */
  35 
  36 import java.util.List;
  37 import com.oracle.java.testlibrary.*;
  38 import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
  39 import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
  40 import rtm.*;
  41 import rtm.predicate.SupportedCPU;
  42 import rtm.predicate.SupportedVM;
  43 import sun.misc.Unsafe;
  44 
  45 /**
  46  * Test verifies that low abort ratio method will be deoptimized with
  47  * <i>rtm_state_change</i> reason and will continue to use RTM-based lock
  48  * elision after that.
  49  * This test make asserts on total locks count done by compiled method,
  50  * so in order to avoid issue with retriable locks -XX:RTMRetryCount=0 is used.
  51  * For more details on that issue see {@link TestUseRTMAfterLockInflation}.
  52  */

  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 /**
  26  * @test
  27  * @bug 8031320
  28  * @summary Verify that on low abort ratio method will be recompiled.
  29  * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
  30  * @build TestRTMDeoptOnLowAbortRatio
  31  * @run main/othervm/bootclasspath -XX:+UnlockDiagnosticVMOptions

  32  *                   -XX:+WhiteBoxAPI TestRTMDeoptOnLowAbortRatio
  33  */
  34 
  35 import java.util.List;
  36 import com.oracle.java.testlibrary.*;
  37 import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
  38 import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
  39 import rtm.*;
  40 import rtm.predicate.SupportedCPU;
  41 import rtm.predicate.SupportedVM;
  42 import sun.misc.Unsafe;
  43 
  44 /**
  45  * Test verifies that low abort ratio method will be deoptimized with
  46  * <i>rtm_state_change</i> reason and will continue to use RTM-based lock
  47  * elision after that.
  48  * This test make asserts on total locks count done by compiled method,
  49  * so in order to avoid issue with retriable locks -XX:RTMRetryCount=0 is used.
  50  * For more details on that issue see {@link TestUseRTMAfterLockInflation}.
  51  */