28  * @summary Verify that RTMLockingThreshold affects rtm state transition
  29  *          ProfileRTM => UseRTM.
  30  * @library /test/lib /
  31  * @modules java.base/jdk.internal.misc
  32  *          java.management
  33  * @build sun.hotspot.WhiteBox
  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.process.OutputAnalyzer;
  52 import jdk.test.lib.unsafe.UnsafeHelper;
  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);
  78         verifyLockingThreshold(1000, false);
  79 
  80         verifyLockingThreshold(0, true);
  81         verifyLockingThreshold(100, true);
  82         verifyLockingThreshold(1000, true);
  83     }
  84 

  28  * @summary Verify that RTMLockingThreshold affects rtm state transition
  29  *          ProfileRTM => UseRTM.
  30  * @library /test/lib /
  31  * @modules java.base/jdk.internal.misc
  32  *          java.management
  33  * @build sun.hotspot.WhiteBox
  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.SupportedOS;
  49 import compiler.testlibrary.rtm.predicate.SupportedVM;
  50 import jdk.internal.misc.Unsafe;
  51 import jdk.test.lib.Asserts;
  52 import jdk.test.lib.process.OutputAnalyzer;
  53 import jdk.test.lib.unsafe.UnsafeHelper;
  54 import jdk.test.lib.cli.CommandLineOptionTest;
  55 import jdk.test.lib.cli.predicate.AndPredicate;
  56 
  57 import java.util.List;
  58 
  59 /**
  60  * Test verifies that RTMLockingThreshold option actually affects how soon
  61  * method will be deoptimized on low abort ratio.
  62  */
  63 public class TestRTMLockingThreshold extends CommandLineOptionTest {
  64     private TestRTMLockingThreshold() {
  65         super(new AndPredicate(new SupportedCPU(), new SupportedOS(), new SupportedVM()));
  66     }
  67 
  68     /**
  69      * We use non-zero abort threshold to avoid abort related to
  70      * interrupts, VMM calls, etc. during first lock attempt.
  71      *
  72      */
  73     private static final int MIN_ABORT_THRESHOLD = 10;
  74 
  75     @Override
  76     protected void runTestCases() throws Throwable {
  77         verifyLockingThreshold(0, false);
  78         verifyLockingThreshold(100, false);
  79         verifyLockingThreshold(1000, false);
  80 
  81         verifyLockingThreshold(0, true);
  82         verifyLockingThreshold(100, true);
  83         verifyLockingThreshold(1000, true);
  84     }
  85