26  * @test
  27  * @bug 8031320
  28  * @summary Verify that rtm locking is used for inflated locks.
  29  * @library /test/lib /
  30  * @modules java.base/jdk.internal.misc
  31  *          java.management
  32  * @build sun.hotspot.WhiteBox
  33  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  34  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
  35  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  36  *                   -XX:+WhiteBoxAPI compiler.rtm.locking.TestUseRTMForInflatedLocks
  37  */
  38 
  39 package compiler.rtm.locking;
  40 
  41 import compiler.testlibrary.rtm.AbortProvoker;
  42 import compiler.testlibrary.rtm.AbortType;
  43 import compiler.testlibrary.rtm.RTMLockingStatistics;
  44 import compiler.testlibrary.rtm.RTMTestBase;
  45 import compiler.testlibrary.rtm.predicate.SupportedCPU;

  46 import compiler.testlibrary.rtm.predicate.SupportedVM;
  47 import jdk.test.lib.Asserts;
  48 import jdk.test.lib.process.OutputAnalyzer;
  49 import jdk.test.lib.cli.CommandLineOptionTest;
  50 import jdk.test.lib.cli.predicate.AndPredicate;
  51 
  52 import java.util.List;
  53 
  54 /**
  55  * Test verifies that RTM-based lock elision could be used for inflated locks
  56  * by calling compiled method that use RTM-based lock elision and using
  57  * manually inflated lock.
  58  * Compiled method invoked {@code AbortProvoker.DEFAULT_ITERATIONS} times,
  59  * so total locks count should be the same.
  60  * This test could also be affected by retriable aborts, so -XX:RTMRetryCount=0
  61  * is used. For more information abort that issue see
  62  * {@link TestUseRTMAfterLockInflation}.
  63  */
  64 public class TestUseRTMForInflatedLocks extends CommandLineOptionTest {
  65     private TestUseRTMForInflatedLocks() {
  66         super(new AndPredicate(new SupportedCPU(), new SupportedVM()));
  67     }
  68 
  69     @Override
  70     protected void runTestCases() throws Throwable {
  71         AbortProvoker provoker = AbortType.XABORT.provoker();
  72         RTMLockingStatistics lock;
  73 
  74         OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
  75                 provoker,
  76                 "-XX:-UseRTMForStackLocks",
  77                 "-XX:RTMTotalCountIncrRate=1",
  78                 "-XX:RTMRetryCount=0",
  79                 "-XX:+PrintPreciseRTMLockingStatistics",
  80                 AbortProvoker.class.getName(),
  81                 AbortType.XABORT.toString());
  82 
  83         outputAnalyzer.shouldHaveExitValue(0);
  84 
  85         List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString(
  86                 provoker.getMethodWithLockName(), outputAnalyzer.getOutput());

  26  * @test
  27  * @bug 8031320
  28  * @summary Verify that rtm locking is used for inflated locks.
  29  * @library /test/lib /
  30  * @modules java.base/jdk.internal.misc
  31  *          java.management
  32  * @build sun.hotspot.WhiteBox
  33  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  34  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
  35  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  36  *                   -XX:+WhiteBoxAPI compiler.rtm.locking.TestUseRTMForInflatedLocks
  37  */
  38 
  39 package compiler.rtm.locking;
  40 
  41 import compiler.testlibrary.rtm.AbortProvoker;
  42 import compiler.testlibrary.rtm.AbortType;
  43 import compiler.testlibrary.rtm.RTMLockingStatistics;
  44 import compiler.testlibrary.rtm.RTMTestBase;
  45 import compiler.testlibrary.rtm.predicate.SupportedCPU;
  46 import compiler.testlibrary.rtm.predicate.SupportedOS;
  47 import compiler.testlibrary.rtm.predicate.SupportedVM;
  48 import jdk.test.lib.Asserts;
  49 import jdk.test.lib.process.OutputAnalyzer;
  50 import jdk.test.lib.cli.CommandLineOptionTest;
  51 import jdk.test.lib.cli.predicate.AndPredicate;
  52 
  53 import java.util.List;
  54 
  55 /**
  56  * Test verifies that RTM-based lock elision could be used for inflated locks
  57  * by calling compiled method that use RTM-based lock elision and using
  58  * manually inflated lock.
  59  * Compiled method invoked {@code AbortProvoker.DEFAULT_ITERATIONS} times,
  60  * so total locks count should be the same.
  61  * This test could also be affected by retriable aborts, so -XX:RTMRetryCount=0
  62  * is used. For more information abort that issue see
  63  * {@link TestUseRTMAfterLockInflation}.
  64  */
  65 public class TestUseRTMForInflatedLocks extends CommandLineOptionTest {
  66     private TestUseRTMForInflatedLocks() {
  67         super(new AndPredicate(new SupportedCPU(), new SupportedOS(), new SupportedVM()));
  68     }
  69 
  70     @Override
  71     protected void runTestCases() throws Throwable {
  72         AbortProvoker provoker = AbortType.XABORT.provoker();
  73         RTMLockingStatistics lock;
  74 
  75         OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
  76                 provoker,
  77                 "-XX:-UseRTMForStackLocks",
  78                 "-XX:RTMTotalCountIncrRate=1",
  79                 "-XX:RTMRetryCount=0",
  80                 "-XX:+PrintPreciseRTMLockingStatistics",
  81                 AbortProvoker.class.getName(),
  82                 AbortType.XABORT.toString());
  83 
  84         outputAnalyzer.shouldHaveExitValue(0);
  85 
  86         List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString(
  87                 provoker.getMethodWithLockName(), outputAnalyzer.getOutput());