21  * questions.
  22  *
  23  */
  24 
  25 /**
  26  * @test
  27  * @bug 8031320
  28  * @summary Verify that on high abort ratio method will be recompiled
  29  *          without rtm locking.
  30  * @library /testlibrary /../../test/lib /compiler/testlibrary
  31  * @modules java.base/sun.misc
  32  *          java.management
  33  * @build TestRTMDeoptOnHighAbortRatio
  34  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  35  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  36  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  37  *                   -XX:+WhiteBoxAPI TestRTMDeoptOnHighAbortRatio
  38  */
  39 
  40 import java.util.List;
  41 import com.oracle.java.testlibrary.*;
  42 import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
  43 import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
  44 import rtm.*;
  45 import rtm.predicate.SupportedCPU;
  46 import rtm.predicate.SupportedVM;
  47 
  48 /**
  49  * Test verifies that on high abort ratio method wil be deoptimized with
  50  * <i>rtm_state_change</i> reason and after that RTM-based lock elision will not
  51  * be used for that method.
  52  * This test make asserts on total locks count done by compiled method,
  53  * so in order to avoid issue with retriable locks -XX:RTMRetryCount=0 is used.
  54  * For more details on that issue see {@link TestUseRTMAfterLockInflation}.
  55  */
  56 public class TestRTMDeoptOnHighAbortRatio extends CommandLineOptionTest {
  57     private static final long ABORT_THRESHOLD
  58             = AbortProvoker.DEFAULT_ITERATIONS / 2L;
  59 
  60     private TestRTMDeoptOnHighAbortRatio() {
  61         super(new AndPredicate(new SupportedCPU(), new SupportedVM()));
  62     }
  63 

  21  * questions.
  22  *
  23  */
  24 
  25 /**
  26  * @test
  27  * @bug 8031320
  28  * @summary Verify that on high abort ratio method will be recompiled
  29  *          without rtm locking.
  30  * @library /testlibrary /../../test/lib /compiler/testlibrary
  31  * @modules java.base/sun.misc
  32  *          java.management
  33  * @build TestRTMDeoptOnHighAbortRatio
  34  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  35  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  36  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  37  *                   -XX:+WhiteBoxAPI TestRTMDeoptOnHighAbortRatio
  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 rtm.*;
  45 import rtm.predicate.SupportedCPU;
  46 import rtm.predicate.SupportedVM;
  47 
  48 /**
  49  * Test verifies that on high abort ratio method wil be deoptimized with
  50  * <i>rtm_state_change</i> reason and after that RTM-based lock elision will not
  51  * be used for that method.
  52  * This test make asserts on total locks count done by compiled method,
  53  * so in order to avoid issue with retriable locks -XX:RTMRetryCount=0 is used.
  54  * For more details on that issue see {@link TestUseRTMAfterLockInflation}.
  55  */
  56 public class TestRTMDeoptOnHighAbortRatio extends CommandLineOptionTest {
  57     private static final long ABORT_THRESHOLD
  58             = AbortProvoker.DEFAULT_ITERATIONS / 2L;
  59 
  60     private TestRTMDeoptOnHighAbortRatio() {
  61         super(new AndPredicate(new SupportedCPU(), new SupportedVM()));
  62     }
  63