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test/compiler/rtm/locking/TestRTMLockingThreshold.java

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  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  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 RTMLockingThreshold affects rtm state transition
  29  *          ProfileRTM => UseRTM.
  30  * @library /testlibrary /test/lib /
  31  * @modules java.base/jdk.internal.misc
  32  *          java.management
  33  * @build compiler.rtm.locking.TestRTMLockingThreshold
  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.OutputAnalyzer;
  52 import jdk.test.lib.Utils;
  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      */




  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  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 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.Utils;
  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      */


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