29  *          specified method and that such method will not be deoptimized
  30  *          on high abort ratio.
  31  * @library /test/lib /
  32  * @modules java.base/jdk.internal.misc
  33  *          java.management
  34  * @build sun.hotspot.WhiteBox
  35  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  36  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
  37  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  38  *                   -XX:+WhiteBoxAPI
  39  *                   compiler.rtm.method_options.TestUseRTMLockElidingOption
  40  */
  41 
  42 package compiler.rtm.method_options;
  43 
  44 import compiler.testlibrary.rtm.AbortProvoker;
  45 import compiler.testlibrary.rtm.AbortType;
  46 import compiler.testlibrary.rtm.RTMLockingStatistics;
  47 import compiler.testlibrary.rtm.RTMTestBase;
  48 import compiler.testlibrary.rtm.predicate.SupportedCPU;

  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 method tagged with option <i>UseRTMLockElidingOption</i>
  59  * will use RTM-based lock elision, but will be never deoptimized with
  60  * <i>rtm_state_change reason</i>.
  61  * Test invokes compiled method and checks that no deoptimization with
  62  * <i>rtm_state_change</i> reason had happened and that that VM output
  63  * contains RTM locking statistics for compiled method and that total locks
  64  * count equals to method's invocations.
  65  * Since last assert is pretty strict, test uses -XX:RTMRetryCount=0 in order
  66  * to avoid issue with retriable aborts described in
  67  * {@link TestUseRTMAfterLockInflation}.
  68  */
  69 public class TestUseRTMLockElidingOption extends CommandLineOptionTest {
  70     private TestUseRTMLockElidingOption() {
  71         super(new AndPredicate(new SupportedCPU(), new SupportedVM()));
  72     }
  73 
  74     @Override
  75     public void runTestCases() throws Throwable {
  76         verifyOption(false);
  77         verifyOption(true);
  78     }
  79 
  80     public void verifyOption(boolean useStackLock) throws Throwable {
  81         AbortProvoker provoker = AbortType.XABORT.provoker();
  82         String logFileName = String.format("rtm_deopt_%s_stack_lock.xml",
  83                 (useStackLock ? "use" : "no"));
  84         String methodOption = String.format("-XX:CompileCommand=option," +
  85                 "%s,UseRTMLockEliding", provoker.getMethodWithLockName());
  86 
  87         OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
  88                 logFileName,
  89                 provoker,
  90                 CommandLineOptionTest.prepareBooleanFlag("UseRTMForStackLocks",
  91                         useStackLock),

  29  *          specified method and that such method will not be deoptimized
  30  *          on high abort ratio.
  31  * @library /test/lib /
  32  * @modules java.base/jdk.internal.misc
  33  *          java.management
  34  * @build sun.hotspot.WhiteBox
  35  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  36  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
  37  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  38  *                   -XX:+WhiteBoxAPI
  39  *                   compiler.rtm.method_options.TestUseRTMLockElidingOption
  40  */
  41 
  42 package compiler.rtm.method_options;
  43 
  44 import compiler.testlibrary.rtm.AbortProvoker;
  45 import compiler.testlibrary.rtm.AbortType;
  46 import compiler.testlibrary.rtm.RTMLockingStatistics;
  47 import compiler.testlibrary.rtm.RTMTestBase;
  48 import compiler.testlibrary.rtm.predicate.SupportedCPU;
  49 import compiler.testlibrary.rtm.predicate.SupportedOS;
  50 import compiler.testlibrary.rtm.predicate.SupportedVM;
  51 import jdk.test.lib.Asserts;
  52 import jdk.test.lib.process.OutputAnalyzer;
  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 method tagged with option <i>UseRTMLockElidingOption</i>
  60  * will use RTM-based lock elision, but will be never deoptimized with
  61  * <i>rtm_state_change reason</i>.
  62  * Test invokes compiled method and checks that no deoptimization with
  63  * <i>rtm_state_change</i> reason had happened and that that VM output
  64  * contains RTM locking statistics for compiled method and that total locks
  65  * count equals to method's invocations.
  66  * Since last assert is pretty strict, test uses -XX:RTMRetryCount=0 in order
  67  * to avoid issue with retriable aborts described in
  68  * {@link TestUseRTMAfterLockInflation}.
  69  */
  70 public class TestUseRTMLockElidingOption extends CommandLineOptionTest {
  71     private TestUseRTMLockElidingOption() {
  72         super(new AndPredicate(new SupportedCPU(), new SupportedOS(), new SupportedVM()));
  73     }
  74 
  75     @Override
  76     public void runTestCases() throws Throwable {
  77         verifyOption(false);
  78         verifyOption(true);
  79     }
  80 
  81     public void verifyOption(boolean useStackLock) throws Throwable {
  82         AbortProvoker provoker = AbortType.XABORT.provoker();
  83         String logFileName = String.format("rtm_deopt_%s_stack_lock.xml",
  84                 (useStackLock ? "use" : "no"));
  85         String methodOption = String.format("-XX:CompileCommand=option," +
  86                 "%s,UseRTMLockEliding", provoker.getMethodWithLockName());
  87 
  88         OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
  89                 logFileName,
  90                 provoker,
  91                 CommandLineOptionTest.prepareBooleanFlag("UseRTMForStackLocks",
  92                         useStackLock),