13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  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 /
  31  * @modules java.base/jdk.internal.misc
  32  *          java.management
  33  * @build TestRTMDeoptOnHighAbortRatio
  34  * @run driver 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 compiler.testlibrary.rtm.*;

  45 import compiler.testlibrary.rtm.predicate.SupportedCPU;
  46 import compiler.testlibrary.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 
  64     @Override
  65     protected void runTestCases() throws Throwable {
  66         verifyDeopt(false);
  67         verifyDeopt(true);

  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  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 /
  31  * @modules java.base/jdk.internal.misc
  32  *          java.management
  33  * @build compiler.rtm.locking.TestRTMDeoptOnHighAbortRatio
  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.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);