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 UseRTMLockEliding option could be applied to
  29  *          specified method and that such method will not be deoptimized
  30  *          on high abort ratio.
  31  * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
  32  * @build TestUseRTMLockElidingOption
  33  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  34  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  35  *                   -XX:+WhiteBoxAPI TestUseRTMLockElidingOption
  36  */
  37 
  38 import java.util.List;
  39 import com.oracle.java.testlibrary.*;
  40 import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
  41 import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
  42 import rtm.*;
  43 import rtm.predicate.SupportedCPU;
  44 import rtm.predicate.SupportedVM;
  45 
  46 /**
  47  * Test verifies that method tagged with option <i>UseRTMLockElidingOption</i>
  48  * will use RTM-based lock elision, but will be never deoptimized with
  49  * <i>rtm_state_change reason</i>.
  50  * Test invokes compiled method and checks that no deoptimization with
  51  * <i>rtm_state_change</i> reason had happened and that that VM output
  52  * contains RTM locking statistics for compiled method and that total locks
  53  * count equals to method's invocations.
  54  * Since last assert is pretty strict, test uses -XX:RTMRetryCount=0 in order

  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 UseRTMLockEliding option could be applied to
  29  *          specified method and that such method will not be deoptimized
  30  *          on high abort ratio.
  31  * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
  32  * @build TestUseRTMLockElidingOption
  33  * @run main/othervm/bootclasspath -XX:+UnlockDiagnosticVMOptions

  34  *                   -XX:+WhiteBoxAPI TestUseRTMLockElidingOption
  35  */
  36 
  37 import java.util.List;
  38 import com.oracle.java.testlibrary.*;
  39 import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
  40 import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
  41 import rtm.*;
  42 import rtm.predicate.SupportedCPU;
  43 import rtm.predicate.SupportedVM;
  44 
  45 /**
  46  * Test verifies that method tagged with option <i>UseRTMLockElidingOption</i>
  47  * will use RTM-based lock elision, but will be never deoptimized with
  48  * <i>rtm_state_change reason</i>.
  49  * Test invokes compiled method and checks that no deoptimization with
  50  * <i>rtm_state_change</i> reason had happened and that that VM output
  51  * contains RTM locking statistics for compiled method and that total locks
  52  * count equals to method's invocations.
  53  * Since last assert is pretty strict, test uses -XX:RTMRetryCount=0 in order