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test/compiler/rtm/method_options/TestNoRTMLockElidingOption.java

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  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 NoRTMLockEliding option could be applied to
  29  *          specified method and that such method will not use rtm.
  30  * @library /testlibrary /../../test/lib /compiler/testlibrary
  31  * @build TestNoRTMLockElidingOption
  32  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  33  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  34  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  35  *                   -XX:+WhiteBoxAPI TestNoRTMLockElidingOption
  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>NoRTMLockElidingOption</i>
  48  * will not use RTM-based lock elision.
  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  * does not contain RTM locking statistics for compiled method.




  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 NoRTMLockEliding option could be applied to
  29  *          specified method and that such method will not use rtm.
  30  * @library /testlibrary /../../test/lib /compiler/testlibrary
  31  * @build com.oracle.java.testlibrary.* TestNoRTMLockElidingOption
  32  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  33  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  34  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  35  *                   -XX:+WhiteBoxAPI TestNoRTMLockElidingOption
  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>NoRTMLockElidingOption</i>
  48  * will not use RTM-based lock elision.
  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  * does not contain RTM locking statistics for compiled method.


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