28  * @summary Verify that on high abort ratio method will be recompiled
  29  *          without rtm locking.
  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.TestRTMDeoptOnHighAbortRatio
  39  */
  40 
  41 package compiler.rtm.locking;
  42 
  43 import compiler.testlibrary.rtm.AbortProvoker;
  44 import compiler.testlibrary.rtm.AbortType;
  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.test.lib.Asserts;
  50 import jdk.test.lib.process.OutputAnalyzer;
  51 import jdk.test.lib.cli.CommandLineOptionTest;
  52 import jdk.test.lib.cli.predicate.AndPredicate;
  53 
  54 import java.util.List;
  55 
  56 /**
  57  * Test verifies that on high abort ratio method wil be deoptimized with
  58  * <i>rtm_state_change</i> reason and after that RTM-based lock elision will not
  59  * be used for that method.
  60  * This test make asserts on total locks count done by compiled method,
  61  * so in order to avoid issue with retriable locks -XX:RTMRetryCount=0 is used.
  62  * For more details on that issue see {@link TestUseRTMAfterLockInflation}.
  63  */
  64 public class TestRTMDeoptOnHighAbortRatio extends CommandLineOptionTest {
  65     private static final long ABORT_THRESHOLD
  66             = AbortProvoker.DEFAULT_ITERATIONS / 2L;
  67 
  68     private TestRTMDeoptOnHighAbortRatio() {
  69         super(new AndPredicate(new SupportedCPU(), new SupportedVM()));
  70     }
  71 
  72     @Override
  73     protected void runTestCases() throws Throwable {
  74         verifyDeopt(false);
  75         verifyDeopt(true);
  76     }
  77 
  78     private void verifyDeopt(boolean useStackLock) throws Throwable {
  79         AbortProvoker provoker = AbortType.XABORT.provoker();
  80         String logFileName = String.format("rtm_deopt_%s_stack_lock.xml",
  81                 (useStackLock ? "use" : "no"));
  82 
  83         OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
  84                 logFileName,
  85                 provoker,
  86                 "-XX:+UseRTMDeopt",
  87                 CommandLineOptionTest.prepareBooleanFlag("UseRTMForStackLocks",
  88                         useStackLock),
  89                 "-XX:RTMRetryCount=0",

  28  * @summary Verify that on high abort ratio method will be recompiled
  29  *          without rtm locking.
  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.TestRTMDeoptOnHighAbortRatio
  39  */
  40 
  41 package compiler.rtm.locking;
  42 
  43 import compiler.testlibrary.rtm.AbortProvoker;
  44 import compiler.testlibrary.rtm.AbortType;
  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.test.lib.Asserts;
  51 import jdk.test.lib.process.OutputAnalyzer;
  52 import jdk.test.lib.cli.CommandLineOptionTest;
  53 import jdk.test.lib.cli.predicate.AndPredicate;
  54 
  55 import java.util.List;
  56 
  57 /**
  58  * Test verifies that on high abort ratio method wil be deoptimized with
  59  * <i>rtm_state_change</i> reason and after that RTM-based lock elision will not
  60  * be used for that method.
  61  * This test make asserts on total locks count done by compiled method,
  62  * so in order to avoid issue with retriable locks -XX:RTMRetryCount=0 is used.
  63  * For more details on that issue see {@link TestUseRTMAfterLockInflation}.
  64  */
  65 public class TestRTMDeoptOnHighAbortRatio extends CommandLineOptionTest {
  66     private static final long ABORT_THRESHOLD
  67             = AbortProvoker.DEFAULT_ITERATIONS / 2L;
  68 
  69     private TestRTMDeoptOnHighAbortRatio() {
  70         super(new AndPredicate(new SupportedCPU(), new SupportedOS(), new SupportedVM()));
  71     }
  72 
  73     @Override
  74     protected void runTestCases() throws Throwable {
  75         verifyDeopt(false);
  76         verifyDeopt(true);
  77     }
  78 
  79     private void verifyDeopt(boolean useStackLock) throws Throwable {
  80         AbortProvoker provoker = AbortType.XABORT.provoker();
  81         String logFileName = String.format("rtm_deopt_%s_stack_lock.xml",
  82                 (useStackLock ? "use" : "no"));
  83 
  84         OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
  85                 logFileName,
  86                 provoker,
  87                 "-XX:+UseRTMDeopt",
  88                 CommandLineOptionTest.prepareBooleanFlag("UseRTMForStackLocks",
  89                         useStackLock),
  90                 "-XX:RTMRetryCount=0",