test/compiler/rtm/locking/TestUseRTMForInflatedLocks.java

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rev 6415 : [mq]: 8011397.WhiteBoxPermission


  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 inflated locks.
  29  * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
  30  * @build TestUseRTMForInflatedLocks
  31  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  32  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  33  *                   -XX:+WhiteBoxAPI TestUseRTMForInflatedLocks
  34  */
  35 
  36 import java.util.List;
  37 
  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 RTM-based lock elision could be used for inflated locks
  47  * by calling compiled method that use RTM-based lock elision and using
  48  * manually inflated lock.
  49  * Compiled method invoked {@code AbortProvoker.DEFAULT_ITERATIONS} times,
  50  * so total locks count should be the same.
  51  * This test could also be affected by retriable aborts, so -XX:RTMRetryCount=0
  52  * is used. For more information abort that issue see




  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 inflated locks.
  29  * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
  30  * @build TestUseRTMForInflatedLocks
  31  * @run main/othervm/bootclasspath -XX:+UnlockDiagnosticVMOptions

  32  *                   -XX:+WhiteBoxAPI TestUseRTMForInflatedLocks
  33  */
  34 
  35 import java.util.List;
  36 
  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 
  44 /**
  45  * Test verifies that RTM-based lock elision could be used for inflated locks
  46  * by calling compiled method that use RTM-based lock elision and using
  47  * manually inflated lock.
  48  * Compiled method invoked {@code AbortProvoker.DEFAULT_ITERATIONS} times,
  49  * so total locks count should be the same.
  50  * This test could also be affected by retriable aborts, so -XX:RTMRetryCount=0
  51  * is used. For more information abort that issue see