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  *
  23  */
  24 
  25 /**
  26  * @test
  27  * @bug 8031320
  28  * @summary Verify that rtm locking is used for stack locks before
  29  *          inflation and after it used for inflated locks.
  30  * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
  31  * @build TestUseRTMAfterLockInflation
  32  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  33  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  34  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  35  *                   -XX:+WhiteBoxAPI TestUseRTMAfterLockInflation
  36  */
  37 
  38 import java.util.List;
  39 
  40 import com.oracle.java.testlibrary.*;
  41 import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
  42 import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
  43 import rtm.*;
  44 import rtm.predicate.SupportedCPU;
  45 import rtm.predicate.SupportedVM;
  46 
  47 /**
  48  * Test verifies that RTM is used after lock inflation by executing compiled
  49  * method with RTM-based lock elision using stack lock first, then that lock
  50  * is inflated and the same compiled method invoked again.
  51  *
  52  * Compiled method invoked {@code AbortProvoker.DEFAULT_ITERATIONS} times before
  53  * lock inflation and the same amount of times after inflation.

  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  *
  23  */
  24 
  25 /**
  26  * @test
  27  * @bug 8031320
  28  * @summary Verify that rtm locking is used for stack locks before
  29  *          inflation and after it used for inflated locks.
  30  * @library /testlibrary /../../test/lib /compiler/testlibrary
  31  * @build TestUseRTMAfterLockInflation
  32  * @run main ClassFileInstaller jdk.testlib.WhiteBox
  33  *                              jdk.testlib.WhiteBox$WhiteBoxPermission
  34  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  35  *                   -XX:+WhiteBoxAPI TestUseRTMAfterLockInflation
  36  */
  37 
  38 import java.util.List;
  39 
  40 import com.oracle.java.testlibrary.*;
  41 import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
  42 import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
  43 import rtm.*;
  44 import rtm.predicate.SupportedCPU;
  45 import rtm.predicate.SupportedVM;
  46 
  47 /**
  48  * Test verifies that RTM is used after lock inflation by executing compiled
  49  * method with RTM-based lock elision using stack lock first, then that lock
  50  * is inflated and the same compiled method invoked again.
  51  *
  52  * Compiled method invoked {@code AbortProvoker.DEFAULT_ITERATIONS} times before
  53  * lock inflation and the same amount of times after inflation.