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 RTMLockingThreshold affects rtm state transition
  29  *          ProfileRTM => UseRTM.
  30  * @library /testlibrary /test/lib /
  31  * @modules java.base/jdk.internal.misc
  32  *          java.management
  33  * @build TestRTMLockingThreshold
  34  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  35  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
  36  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  37  *                   -XX:+WhiteBoxAPI TestRTMLockingThreshold

  38  */
  39 
  40 import java.util.List;
  41 import jdk.test.lib.*;
  42 import jdk.test.lib.cli.CommandLineOptionTest;
  43 import jdk.test.lib.cli.predicate.AndPredicate;
  44 import compiler.testlibrary.rtm.*;

  45 import compiler.testlibrary.rtm.predicate.SupportedCPU;
  46 import compiler.testlibrary.rtm.predicate.SupportedVM;
  47 import jdk.internal.misc.Unsafe;





  48 


  49 /**
  50  * Test verifies that RTMLockingThreshold option actually affects how soon
  51  * method will be deoptimized on low abort ratio.
  52  */
  53 public class TestRTMLockingThreshold extends CommandLineOptionTest {
  54     private TestRTMLockingThreshold() {
  55         super(new AndPredicate(new SupportedVM(), new SupportedCPU()));
  56     }
  57 
  58     /**
  59      * We use non-zero abort threshold to avoid abort related to
  60      * interrupts, VMM calls, etc. during first lock attempt.
  61      *
  62      */
  63     private static final int MIN_ABORT_THRESHOLD = 10;
  64 
  65     @Override
  66     protected void runTestCases() throws Throwable {
  67         verifyLockingThreshold(0, false);
  68         verifyLockingThreshold(100, false);

  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 RTMLockingThreshold affects rtm state transition
  29  *          ProfileRTM => UseRTM.
  30  * @library /testlibrary /test/lib /
  31  * @modules java.base/jdk.internal.misc
  32  *          java.management
  33  * @build compiler.rtm.locking.TestRTMLockingThreshold
  34  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  35  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
  36  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  37  *                   -XX:+WhiteBoxAPI
  38  *                   compiler.rtm.locking.TestRTMLockingThreshold
  39  */
  40 
  41 package compiler.rtm.locking;
  42 
  43 import compiler.testlibrary.rtm.AbortProvoker;
  44 import compiler.testlibrary.rtm.CompilableTest;
  45 import compiler.testlibrary.rtm.RTMLockingStatistics;
  46 import compiler.testlibrary.rtm.RTMTestBase;
  47 import compiler.testlibrary.rtm.predicate.SupportedCPU;
  48 import compiler.testlibrary.rtm.predicate.SupportedVM;
  49 import jdk.internal.misc.Unsafe;
  50 import jdk.test.lib.Asserts;
  51 import jdk.test.lib.OutputAnalyzer;
  52 import jdk.test.lib.Utils;
  53 import jdk.test.lib.cli.CommandLineOptionTest;
  54 import jdk.test.lib.cli.predicate.AndPredicate;
  55 
  56 import java.util.List;
  57 
  58 /**
  59  * Test verifies that RTMLockingThreshold option actually affects how soon
  60  * method will be deoptimized on low abort ratio.
  61  */
  62 public class TestRTMLockingThreshold extends CommandLineOptionTest {
  63     private TestRTMLockingThreshold() {
  64         super(new AndPredicate(new SupportedVM(), new SupportedCPU()));
  65     }
  66 
  67     /**
  68      * We use non-zero abort threshold to avoid abort related to
  69      * interrupts, VMM calls, etc. during first lock attempt.
  70      *
  71      */
  72     private static final int MIN_ABORT_THRESHOLD = 10;
  73 
  74     @Override
  75     protected void runTestCases() throws Throwable {
  76         verifyLockingThreshold(0, false);
  77         verifyLockingThreshold(100, false);