8037860: Add tests to cover Intel RTM instructions support

Reviewed-by: kvn, iignatyev
Contributed-by: filipp.zhinkin@oracle.com

test/compiler/rtm/locking/TestRTMAbortRatio.java

+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/**
+ * @test
+ * @bug 8031320
+ * @summary Verify that RTMAbortRatio affects amount of aborts before
+ *          deoptimization.
+ * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
+ * @build TestRTMAbortRatio
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI TestRTMAbortRatio
+ */
+
+import java.util.List;
+import com.oracle.java.testlibrary.*;
+import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
+import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
+import rtm.*;
+import rtm.predicate.SupportedCPU;
+import rtm.predicate.SupportedVM;
+import sun.misc.Unsafe;
+
+/**
+ * Test verifies that method will be deoptimized on high abort ratio
+ * as soon as abort ratio reaches RTMAbortRatio's value.
+ */
+public class TestRTMAbortRatio extends CommandLineOptionTest {
+    private TestRTMAbortRatio() {
+        super(new AndPredicate(new SupportedCPU(), new SupportedVM()));
+    }
+
+    @Override
+    protected void runTestCases() throws Throwable {
+        verifyAbortRatio(0, false);
+        verifyAbortRatio(10, false);
+        verifyAbortRatio(50, false);
+        verifyAbortRatio(100, false);
+
+        verifyAbortRatio(0, true);
+        verifyAbortRatio(10, true);
+        verifyAbortRatio(50, true);
+        verifyAbortRatio(100, true);
+    }
+
+    private void verifyAbortRatio(int abortRatio, boolean useStackLock)
+            throws Throwable {
+        CompilableTest test = new Test();
+
+        OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
+                test,
+                CommandLineOptionTest.prepareBooleanFlag("UseRTMForStackLocks",
+                        useStackLock),
+                "-XX:+UseRTMDeopt",
+                "-XX:RTMTotalCountIncrRate=1",
+                "-XX:RTMAbortThreshold=0",
+                CommandLineOptionTest.prepareNumericFlag("RTMLockingThreshold",
+                        10 * Test.TOTAL_ITERATIONS),
+                CommandLineOptionTest.prepareNumericFlag("RTMAbortRatio",
+                        abortRatio),
+                "-XX:+PrintPreciseRTMLockingStatistics",
+                test.getClass().getName(),
+                Boolean.toString(!useStackLock));
+
+        outputAnalyzer.shouldHaveExitValue(0);
+
+        List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString(
+                test.getMethodWithLockName(), outputAnalyzer.getOutput());
+
+        Asserts.assertEQ(statistics.size(), 1, "VM output should contain "
+                + "exactly one RTM locking statistics entry.");
+
+        RTMLockingStatistics lock = statistics.get(0);
+        int actualRatio;
+
+        if (lock.getTotalAborts() == 1L) {
+            actualRatio = 0;
+        } else {
+            actualRatio = (int) (lock.getTotalLocks()
+                    / (lock.getTotalAborts() - 1L));
+        }
+
+        Asserts.assertLTE(actualRatio, abortRatio, String.format(
+                "Actual abort ratio (%d) should lower or equal to "
+                + "specified (%d).", actualRatio, abortRatio));
+    }
+
+    /**
+     * Force abort after {@code Test.WARMUP_ITERATIONS} is done.
+     */
+    public static class Test implements CompilableTest {
+        private static final int TOTAL_ITERATIONS = 10000;
+        private static final int WARMUP_ITERATIONS = 1000;
+        private static final Unsafe UNSAFE = Utils.getUnsafe();
+        private final Object monitor = new Object();
+        // Following field have to be static in order to avoid escape analysis.
+        @SuppressWarnings("UnsuedDeclaration")
+        private static int field = 0;
+
+        @Override
+        public String getMethodWithLockName() {
+             return this.getClass().getName() + "::lock";
+         }
+
+        @Override
+        public String[] getMethodsToCompileNames() {
+            return new String[] {
+                    getMethodWithLockName(),
+                    Unsafe.class.getName() + "::addressSize"
+            };
+        }
+
+        public void lock(boolean abort) {
+            synchronized(monitor) {
+                if (abort) {
+                    Test.UNSAFE.addressSize();
+                }
+            }
+        }
+
+        /**
+         * Usage:
+         * Test &lt;inflate monitor&gt;
+         */
+        public static void main(String args[]) throws Throwable {
+            Asserts.assertGTE(args.length, 1, "One argument required.");
+            Test t = new Test();
+            if (Boolean.valueOf(args[0])) {
+                AbortProvoker.inflateMonitor(t.monitor);
+            }
+            for (int i = 0; i < Test.TOTAL_ITERATIONS; i++) {
+                t.lock(i >= Test.WARMUP_ITERATIONS);
+            }
+        }
+    }
+
+    public static void main(String args[]) throws Throwable {
+        new TestRTMAbortRatio().test();
+    }
+}
+

test/compiler/rtm/locking/TestRTMAbortThreshold.java

+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/**
+ * @test
+ * @bug 8031320
+ * @summary Verify that RTMAbortThreshold option affects
+ *          amount of aborts after which abort ratio is calculated.
+ * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
+ * @build TestRTMAbortThreshold
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI TestRTMAbortThreshold
+ */
+
+import java.util.List;
+import com.oracle.java.testlibrary.*;
+import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
+import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
+import rtm.*;
+import rtm.predicate.SupportedCPU;
+import rtm.predicate.SupportedVM;
+
+/**
+ * Test verifies that on RTMAbortThreshold option actually affects how soon
+ * method will be deoptimized on high abort ratio.
+ */
+public class TestRTMAbortThreshold extends CommandLineOptionTest {
+    private TestRTMAbortThreshold() {
+        super(new AndPredicate(new SupportedCPU(), new SupportedVM()));
+    }
+
+    @Override
+    protected void runTestCases() throws Throwable {
+        verifyAbortThreshold(false, 1);
+        verifyAbortThreshold(false, 10);
+        verifyAbortThreshold(false, 1000);
+
+        verifyAbortThreshold(true, 1);
+        verifyAbortThreshold(true, 10);
+        verifyAbortThreshold(true, 1000);
+    }
+
+    private void verifyAbortThreshold(boolean useStackLock,
+            long abortThreshold) throws Throwable {
+        AbortProvoker provoker = AbortType.XABORT.provoker();
+
+        OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
+                provoker,
+                "-XX:+UseRTMDeopt",
+                "-XX:RTMAbortRatio=0",
+                CommandLineOptionTest.prepareNumericFlag("RTMAbortThreshold",
+                        abortThreshold),
+                CommandLineOptionTest.prepareBooleanFlag("UseRTMForStackLocks",
+                        useStackLock),
+                "-XX:RTMTotalCountIncrRate=1",
+                "-XX:+PrintPreciseRTMLockingStatistics",
+                AbortProvoker.class.getName(),
+                AbortType.XABORT.toString(),
+                Boolean.toString(!useStackLock));
+
+        outputAnalyzer.shouldHaveExitValue(0);
+
+        List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString(
+                provoker.getMethodWithLockName(), outputAnalyzer.getOutput());
+
+        Asserts.assertEQ(statistics.size(), 1, "VM output should contain "
+                + "exactly one RTM locking statistics entry for method "
+                + provoker.getMethodWithLockName());
+
+        Asserts.assertEQ(statistics.get(0).getTotalLocks(), abortThreshold,
+                String.format("Expected that method with rtm lock elision was"
+                        + " deoptimized after %d lock attempts",
+                        abortThreshold));
+    }
+
+    public static void main(String args[]) throws Throwable {
+         new TestRTMAbortThreshold().test();
+    }
+}
+

test/compiler/rtm/locking/TestRTMAfterNonRTMDeopt.java

+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/**
+ * @test
+ * @bug 8031320
+ * @summary Verify that if we use RTMDeopt, then deoptimization
+ *          caused by reason other then rtm_state_change will reset
+ *          method's RTM state. And if we don't use RTMDeopt, then
+ *          RTM state remain the same after such deoptimization.
+ * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
+ * @build TestRTMAfterNonRTMDeopt
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI TestRTMAfterNonRTMDeopt
+ */
+
+import java.util.List;
+import com.oracle.java.testlibrary.*;
+import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
+import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
+import rtm.*;
+import rtm.predicate.SupportedCPU;
+import rtm.predicate.SupportedVM;
+import sun.misc.Unsafe;
+
+/**
+ * To verify that with +UseRTMDeopt method's RTM state will be
+ * changed to ProfileRTM on deoptimization unrelated to
+ * rtm_state_change following sequence of events is used:
+ * <pre>
+ *
+ *     rtm state ^
+ *               |
+ *       UseRTM  |      ******|     ******
+ *               |            |
+ *   ProfileRTM  |******|     |*****|
+ *               |      |     |     |
+ *              0-------|-----|-----|---------------------&gt; time
+ *                      |     |     \ force abort
+ *                      |     |
+ *                      |     \ force deoptimization
+ *                      |
+ *                      \ force xabort
+ * </pre>
+ * When xabort is forced by native method call method should
+ * change it's state to UseRTM, because we use RTMAbortRatio=100
+ * and low RTMLockingThreshold, so at this point actual abort
+ * ratio will be below 100% and there should be enough lock
+ * attempts to recompile method without RTM profiling.
+ */
+public class TestRTMAfterNonRTMDeopt extends CommandLineOptionTest {
+    private static final int ABORT_THRESHOLD = 1000;
+    private static final String RANGE_CHECK = "range_check";
+
+    private TestRTMAfterNonRTMDeopt() {
+        super(new AndPredicate(new SupportedCPU(), new SupportedVM()));
+    }
+
+    @Override
+    protected void runTestCases() throws Throwable {
+        verifyRTMAfterDeopt(false, false);
+        verifyRTMAfterDeopt(true, false);
+
+        verifyRTMAfterDeopt(false, true);
+        verifyRTMAfterDeopt(true, true);
+    }
+
+    private void verifyRTMAfterDeopt(boolean useStackLock,
+            boolean useRTMDeopt) throws Throwable {
+        CompilableTest test = new Test();
+        String logFile = String.format("rtm_%s_stack_lock_%s_deopt.xml",
+                (useStackLock ? "use" : "no"), (useRTMDeopt ? "use" : "no"));
+
+        OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
+                logFile,
+                test,
+                "-XX:CompileThreshold=1",
+                CommandLineOptionTest.prepareBooleanFlag("UseRTMForStackLocks",
+                        useStackLock),
+                CommandLineOptionTest.prepareBooleanFlag("UseRTMDeopt",
+                        useRTMDeopt),
+                "-XX:RTMAbortRatio=100",
+                CommandLineOptionTest.prepareNumericFlag("RTMAbortThreshold",
+                        TestRTMAfterNonRTMDeopt.ABORT_THRESHOLD),
+                CommandLineOptionTest.prepareNumericFlag("RTMLockingThreshold",
+                        TestRTMAfterNonRTMDeopt.ABORT_THRESHOLD / 2L),
+                "-XX:RTMTotalCountIncrRate=1",
+                "-XX:+PrintPreciseRTMLockingStatistics",
+                Test.class.getName(),
+                Boolean.toString(!useStackLock)
+        );
+
+        outputAnalyzer.shouldHaveExitValue(0);
+
+        int traps = RTMTestBase.firedRTMStateChangeTraps(logFile);
+
+        if (useRTMDeopt) {
+            Asserts.assertEQ(traps, 2, "Two uncommon traps with "
+                    + "reason rtm_state_change should be fired.");
+        } else {
+            Asserts.assertEQ(traps, 0, "No uncommon traps with "
+                    + "reason rtm_state_change should be fired.");
+        }
+
+        int rangeCheckTraps = RTMTestBase.firedUncommonTraps(logFile,
+                TestRTMAfterNonRTMDeopt.RANGE_CHECK);
+
+        Asserts.assertEQ(rangeCheckTraps, 1,
+                "One range_check uncommon trap should be fired.");
+
+        List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString(
+                test.getMethodWithLockName(), outputAnalyzer.getOutput());
+
+        int expectedStatEntries = (useRTMDeopt ? 4 : 2);
+
+        Asserts.assertEQ(statistics.size(), expectedStatEntries,
+                String.format("VM output should contain %d RTM locking "
+                        + "statistics entries.", expectedStatEntries));
+    }
+
+    public static class Test implements CompilableTest {
+        // Following field have to be static in order to avoid escape analysis.
+        @SuppressWarnings("UnsuedDeclaration")
+        private static int field = 0;
+        private static final int ITERATIONS = 10000;
+        private static final int RANGE_CHECK_AT = ITERATIONS / 2;
+        private static final Unsafe UNSAFE = Utils.getUnsafe();
+        private final Object monitor = new Object();
+
+        @Override
+        public String getMethodWithLockName() {
+            return this.getClass().getName() + "::forceAbort";
+        }
+
+        @Override
+        public String[] getMethodsToCompileNames() {
+            return new String[] {
+                getMethodWithLockName(),
+                sun.misc.Unsafe.class.getName() + "::forceAbort"
+            };
+        }
+
+        public void forceAbort(int a[], boolean abort) {
+            try {
+                synchronized(monitor) {
+                    a[0]++;
+                    if (abort) {
+                        Test.field = Test.UNSAFE.addressSize();
+                    }
+                }
+            } catch (Throwable t) {
+                // suppress any throwables
+            }
+        }
+
+        /**
+         * Usage:
+         * Test &lt;inflate monitor&gt;
+         */
+        public static void main(String args[]) throws Throwable {
+            Test t = new Test();
+
+            if (Boolean.valueOf(args[0])) {
+                AbortProvoker.inflateMonitor(t.monitor);
+            }
+
+            int tmp[] = new int[1];
+
+            for (int i = 0; i < Test.ITERATIONS; i++ ) {
+                if (i == Test.RANGE_CHECK_AT) {
+                    t.forceAbort(new int[0], false);
+                } else {
+                    boolean isThreshold
+                            = (i == TestRTMAfterNonRTMDeopt.ABORT_THRESHOLD);
+                    boolean isThresholdPlusRange
+                            = (i == TestRTMAfterNonRTMDeopt.ABORT_THRESHOLD
+                            + Test.RANGE_CHECK_AT);
+                    t.forceAbort(tmp, isThreshold || isThresholdPlusRange);
+                }
+            }
+        }
+    }
+
+    public static void main(String args[]) throws Throwable {
+        new TestRTMAfterNonRTMDeopt().test();
+    }
+}
+

test/compiler/rtm/locking/TestRTMDeoptOnHighAbortRatio.java

+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/**
+ * @test
+ * @bug 8031320
+ * @summary Verify that on high abort ratio method will be recompiled
+ *          without rtm locking.
+ * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
+ * @build TestRTMDeoptOnHighAbortRatio
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI TestRTMDeoptOnHighAbortRatio
+ */
+
+import java.util.List;
+import com.oracle.java.testlibrary.*;
+import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
+import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
+import rtm.*;
+import rtm.predicate.SupportedCPU;
+import rtm.predicate.SupportedVM;
+
+/**
+ * Test verifies that on high abort ratio method wil be deoptimized with
+ * <i>rtm_state_change</i> reason and after that RTM-based lock elision will not
+ * be used for that method.
+ * This test make asserts on total locks count done by compiled method,
+ * so in order to avoid issue with retriable locks -XX:RTMRetryCount=0 is used.
+ * For more details on that issue see {@link TestUseRTMAfterLockInflation}.
+ */
+public class TestRTMDeoptOnHighAbortRatio extends CommandLineOptionTest {
+    private static final long ABORT_THRESHOLD
+            = AbortProvoker.DEFAULT_ITERATIONS / 2L;
+
+    private TestRTMDeoptOnHighAbortRatio() {
+        super(new AndPredicate(new SupportedCPU(), new SupportedVM()));
+    }
+
+    @Override
+    protected void runTestCases() throws Throwable {
+        verifyDeopt(false);
+        verifyDeopt(true);
+    }
+
+    private void verifyDeopt(boolean useStackLock) throws Throwable {
+        AbortProvoker provoker = AbortType.XABORT.provoker();
+        String logFileName = String.format("rtm_deopt_%s_stack_lock.xml",
+                (useStackLock ? "use" : "no"));
+
+        OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
+                logFileName,
+                provoker,
+                "-XX:+UseRTMDeopt",
+                CommandLineOptionTest.prepareBooleanFlag("UseRTMForStackLocks",
+                        useStackLock),
+                "-XX:RTMRetryCount=0",
+                CommandLineOptionTest.prepareNumericFlag("RTMAbortThreshold",
+                        TestRTMDeoptOnHighAbortRatio.ABORT_THRESHOLD),
+                "-XX:RTMAbortRatio=100",
+                "-XX:CompileThreshold=1",
+                "-XX:RTMTotalCountIncrRate=1",
+                "-XX:+PrintPreciseRTMLockingStatistics",
+                AbortProvoker.class.getName(),
+                AbortType.XABORT.toString(),
+                Boolean.toString(!useStackLock)
+        );
+
+        outputAnalyzer.shouldHaveExitValue(0);
+
+        int firedTraps = RTMTestBase.firedRTMStateChangeTraps(logFileName);
+
+        Asserts.assertEQ(firedTraps, 1, "Expected to get only one "
+                + "deoptimization due to rtm state change");
+
+        List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString(
+                provoker.getMethodWithLockName(), outputAnalyzer.getOutput());
+
+        Asserts.assertEQ(statistics.size(), 1, "VM output should contain "
+                + "exactly one RTM locking statistics entry for method "
+                + provoker.getMethodWithLockName());
+
+        Asserts.assertEQ(statistics.get(0).getTotalLocks(),
+                TestRTMDeoptOnHighAbortRatio.ABORT_THRESHOLD,
+                "After AbortThreshold was reached, method should be"
+                + " recompiled without rtm lock eliding.");
+    }
+
+    public static void main(String args[]) throws Throwable {
+        new TestRTMDeoptOnHighAbortRatio().test();
+    }
+}
+

test/compiler/rtm/locking/TestRTMDeoptOnLowAbortRatio.java

+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/**
+ * @test
+ * @bug 8031320
+ * @summary Verify that on low abort ratio method will be recompiled.
+ * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
+ * @build TestRTMDeoptOnLowAbortRatio
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI TestRTMDeoptOnLowAbortRatio
+ */
+
+import java.util.List;
+import com.oracle.java.testlibrary.*;
+import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
+import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
+import rtm.*;
+import rtm.predicate.SupportedCPU;
+import rtm.predicate.SupportedVM;
+import sun.misc.Unsafe;
+
+/**
+ * Test verifies that low abort ratio method will be deoptimized with
+ * <i>rtm_state_change</i> reason and will continue to use RTM-based lock
+ * elision after that.
+ * This test make asserts on total locks count done by compiled method,
+ * so in order to avoid issue with retriable locks -XX:RTMRetryCount=0 is used.
+ * For more details on that issue see {@link TestUseRTMAfterLockInflation}.
+ */
+public class TestRTMDeoptOnLowAbortRatio extends CommandLineOptionTest {
+    private static final long LOCKING_THRESHOLD = 100L;
+
+    private TestRTMDeoptOnLowAbortRatio() {
+        super(new AndPredicate(new SupportedCPU(), new SupportedVM()));
+    }
+
+    @Override
+    protected void runTestCases() throws Throwable {
+        verifyRTMDeopt(false);
+        verifyRTMDeopt(true);
+    }
+
+    private void verifyRTMDeopt(boolean useStackLock) throws Throwable {
+        CompilableTest test = new Test();
+        String logFileName = String.format("rtm_deopt_%s_stack_lock.xml",
+                                           useStackLock ? "use" : "no");
+
+        OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
+                logFileName,
+                test,
+                "-XX:+UseRTMDeopt",
+                CommandLineOptionTest.prepareBooleanFlag("UseRTMForStackLocks",
+                        useStackLock),
+                CommandLineOptionTest.prepareNumericFlag("RTMLockingThreshold",
+                        TestRTMDeoptOnLowAbortRatio.LOCKING_THRESHOLD),
+                "-XX:RTMAbortThreshold=1",
+                "-XX:RTMAbortRatio=100",
+                "-XX:CompileThreshold=1",
+                "-XX:RTMRetryCount=0",
+                "-XX:RTMTotalCountIncrRate=1",
+                "-XX:+PrintPreciseRTMLockingStatistics",
+                Test.class.getName(),
+                Boolean.toString(!useStackLock)
+        );
+
+        outputAnalyzer.shouldHaveExitValue(0);
+
+        int firedTraps = RTMTestBase.firedRTMStateChangeTraps(logFileName);
+
+        Asserts.assertEQ(firedTraps, 1,
+                        "Expected to get only one deoptimization due to rtm"
+                        + " state change");
+
+        List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString(
+                test.getMethodWithLockName(), outputAnalyzer.getOutput());
+
+        Asserts.assertEQ(statistics.size(), 2,
+                         "VM output should contain two RTM locking "
+                         + "statistics entries for method "
+                         + test.getMethodWithLockName());
+
+        RTMLockingStatistics statisticsBeforeDeopt = null;
+
+        for (RTMLockingStatistics s : statistics) {
+            if (s.getTotalLocks()
+                    == TestRTMDeoptOnLowAbortRatio.LOCKING_THRESHOLD + 1L) {
+                Asserts.assertNull(statisticsBeforeDeopt,
+                        "Only one abort was expected during test run");
+                statisticsBeforeDeopt = s;
+            }
+        }
+
+        Asserts.assertNotNull(statisticsBeforeDeopt,
+                "After LockThreshold was reached, method should be recompiled "
+                + "with rtm lock eliding.");
+    }
+
+    public static class Test implements CompilableTest {
+        private static final Unsafe UNSAFE = Utils.getUnsafe();
+        private final Object monitor = new Object();
+
+        @Override
+        public String getMethodWithLockName() {
+            return this.getClass().getName() + "::forceAbort";
+        }
+
+        @Override
+        public String[] getMethodsToCompileNames() {
+            return new String[] {
+                getMethodWithLockName(),
+                sun.misc.Unsafe.class.getName() + "::addressSize"
+            };
+        }
+
+        public void forceAbort(boolean abort) {
+            synchronized(monitor) {
+                if (abort) {
+                    Test.UNSAFE.addressSize();
+                }
+            }
+        }
+
+        /**
+         * Usage:
+         * Test &lt;inflate monitor&gt;
+         */
+        public static void main(String args[]) throws Throwable {
+            Asserts.assertGTE(args.length, 1, "One argument required.");
+            Test t = new Test();
+
+            if (Boolean.valueOf(args[0])) {
+                AbortProvoker.inflateMonitor(t.monitor);
+            }
+            for (int i = 0; i < AbortProvoker.DEFAULT_ITERATIONS; i++) {
+                t.forceAbort(
+                        i == TestRTMDeoptOnLowAbortRatio.LOCKING_THRESHOLD);
+            }
+        }
+    }
+
+    public static void main(String args[]) throws Throwable {
+        new TestRTMDeoptOnLowAbortRatio().test();
+    }
+}

test/compiler/rtm/locking/TestRTMLockingCalculationDelay.java

+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/**
+ * @test
+ * @bug 8031320
+ * @summary Verify that RTMLockingCalculationDelay affect when
+ *          abort ratio calculation is started.
+ * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
+ * @build TestRTMLockingCalculationDelay
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI TestRTMLockingCalculationDelay
+ */
+
+import com.oracle.java.testlibrary.*;
+import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
+import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
+import rtm.*;
+import rtm.predicate.SupportedCPU;
+import rtm.predicate.SupportedVM;
+
+/**
+ * Test verifies that abort ratio calculation could be delayed using
+ * RTMLockingCalculationDelay option.
+ */
+public class TestRTMLockingCalculationDelay extends CommandLineOptionTest {
+    private static final boolean INFLATE_MONITOR = true;
+
+    private TestRTMLockingCalculationDelay() {
+        super(new AndPredicate(new SupportedCPU(), new SupportedVM()));
+    }
+
+    @Override
+    protected void runTestCases() throws Throwable {
+        // verify that calculation will be started immediately
+        verifyLockingCalculationDelay(0, 0, true);
+
+        // verify that calculation will not be started during
+        // first 10 minutes, while test will be started immediately
+        verifyLockingCalculationDelay(600000, 0, false);
+
+        // verify that calculation will be started after a second
+        verifyLockingCalculationDelay(1000, 1000, true);
+    }
+
+    private void verifyLockingCalculationDelay(long delay, long testDelay,
+            boolean deoptExpected) throws Throwable {
+        AbortProvoker provoker = AbortType.XABORT.provoker();
+        String logFileName = String.format("rtm_delay_%d_%d.xml", delay,
+                testDelay);
+
+        OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
+                logFileName,
+                provoker,
+                "-XX:+UseRTMDeopt",
+                CommandLineOptionTest.prepareNumericFlag(
+                        "RTMLockingCalculationDelay", delay),
+                "-XX:RTMAbortRatio=0",
+                "-XX:RTMAbortThreshold=0",
+                AbortProvoker.class.getName(),
+                AbortType.XABORT.toString(),
+                Boolean.toString(
+                        TestRTMLockingCalculationDelay.INFLATE_MONITOR),
+                Long.toString(AbortProvoker.DEFAULT_ITERATIONS),
+                Long.toString(testDelay)
+        );
+
+        outputAnalyzer.shouldHaveExitValue(0);
+
+        int deopts = RTMTestBase.firedRTMStateChangeTraps(logFileName);
+
+        if (deoptExpected) {
+            Asserts.assertGT(deopts, 0, "At least one deoptimization due to "
+                    + "rtm_state_chage is expected");
+        } else {
+            Asserts.assertEQ(deopts, 0, "No deoptimizations due to "
+                    + "rtm_state_chage are expected");
+        }
+    }
+
+    public static void main(String args[]) throws Throwable {
+        new TestRTMLockingCalculationDelay().test();
+    }
+}

test/compiler/rtm/locking/TestRTMLockingThreshold.java

+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/**
+ * @test
+ * @bug 8031320
+ * @summary Verify that RTMLockingThreshold affects rtm state transition
+ *          ProfileRTM => UseRTM.
+ * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
+ * @build TestRTMLockingThreshold
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI TestRTMLockingThreshold
+ */
+
+import java.util.List;
+import com.oracle.java.testlibrary.*;
+import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
+import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
+import rtm.*;
+import rtm.predicate.SupportedCPU;
+import rtm.predicate.SupportedVM;
+import sun.misc.Unsafe;
+
+/**
+ * Test verifies that RTMLockingThreshold option actually affects how soon
+ * method will be deoptimized on low abort ratio.
+ */
+public class TestRTMLockingThreshold extends CommandLineOptionTest {
+    private TestRTMLockingThreshold() {
+        super(new AndPredicate(new SupportedVM(), new SupportedCPU()));
+    }
+
+    /**
+     * We use non-zero abort threshold to avoid abort related to
+     * interrupts, VMM calls, etc. during first lock attempt.
+     *
+     */
+    private static final int ABORT_THRESHOLD = 10;
+
+    @Override
+    protected void runTestCases() throws Throwable {
+        verifyLockingThreshold(0, false);
+        verifyLockingThreshold(100, false);
+        verifyLockingThreshold(1000, false);
+
+        verifyLockingThreshold(0, true);
+        verifyLockingThreshold(100, true);
+        verifyLockingThreshold(1000, true);
+    }
+
+    private void verifyLockingThreshold(int lockingThreshold,
+            boolean useStackLock) throws Throwable {
+        CompilableTest test = new Test();
+
+        OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
+                test,
+                "-XX:CompileThreshold=1",
+                CommandLineOptionTest.prepareBooleanFlag("UseRTMForStackLocks",
+                        useStackLock),
+                "-XX:+UseRTMDeopt",
+                "-XX:RTMTotalCountIncrRate=1",
+                "-XX:RTMRetryCount=0",
+                CommandLineOptionTest.prepareNumericFlag("RTMAbortThreshold",
+                        TestRTMLockingThreshold.ABORT_THRESHOLD),
+                CommandLineOptionTest.prepareNumericFlag("RTMLockingThreshold",
+                        lockingThreshold),
+                "-XX:RTMAbortRatio=100",
+                "-XX:+PrintPreciseRTMLockingStatistics",
+                Test.class.getName(),
+                Boolean.toString(!useStackLock),
+                Integer.toString(lockingThreshold)
+        );
+
+        outputAnalyzer.shouldHaveExitValue(0);
+
+        List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString(
+                test.getMethodWithLockName(), outputAnalyzer.getOutput());
+
+        Asserts.assertEQ(statistics.size(), 2, "VM output should contain two "
+                + "RTM locking statistics entries.");
+
+        /**
+         * We force abort on each odd iteration, so if RTMLockingThreshold==0,
+         * then we have to make 1 call without abort to avoid rtm state
+         * transition to NoRTM (otherwise actual abort ratio will be 100%),
+         * and after that make 1 call with abort to force deoptimization.
+         * This leads us to two locks for threshold 0.
+         * For other threshold values we have to make RTMLockingThreshold + 1
+         * locks if locking threshold is even, or + 0 if odd.
+         */
+        long expectedValue = lockingThreshold +
+                (lockingThreshold == 0L ? 2L : lockingThreshold % 2L);
+
+        RTMLockingStatistics statBeforeDeopt = null;
+        for (RTMLockingStatistics s : statistics) {
+            if (s.getTotalLocks() == expectedValue) {
+                Asserts.assertNull(statBeforeDeopt,
+                        "Only one statistics entry should contain aborts");
+                statBeforeDeopt = s;
+            }
+        }
+
+        Asserts.assertNotNull(statBeforeDeopt, "There should be exactly one "
+                + "statistics entry corresponding to ProfileRTM state.");
+    }
+
+    public static class Test implements CompilableTest {
+        // Following field have to be static in order to avoid escape analysis.
+        @SuppressWarnings("UnsuedDeclaration")
+        private static int field = 0;
+        private static final int TOTAL_ITERATIONS = 10000;
+        private static final Unsafe UNSAFE = Utils.getUnsafe();
+        private final Object monitor = new Object();
+
+
+        @Override
+        public String getMethodWithLockName() {
+            return this.getClass().getName() + "::lock";
+        }
+
+        @Override
+        public String[] getMethodsToCompileNames() {
+            return new String[] {
+                getMethodWithLockName(),
+                sun.misc.Unsafe.class.getName() + "::addressSize"
+            };
+        }
+
+        public void lock(boolean abort) {
+            synchronized(monitor) {
+                if (abort) {
+                    Test.field += Test.UNSAFE.addressSize();
+                }
+            }
+        }
+
+        /**
+         * Usage:
+         * Test &lt;inflate monitor&gt;
+         */
+        public static void main(String args[]) throws Throwable {
+            Asserts.assertGTE(args.length, 1, "One argument required.");
+            Test t = new Test();
+
+            if (Boolean.valueOf(args[0])) {
+                AbortProvoker.inflateMonitor(t.monitor);
+            }
+            for (int i = 0; i < Test.TOTAL_ITERATIONS; i++) {
+                t.lock(i % 2 == 1);
+            }
+        }
+    }
+
+    public static void main(String args[]) throws Throwable {
+        new TestRTMLockingThreshold().test();
+    }
+}

test/compiler/rtm/locking/TestRTMRetryCount.java

+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/**
+ * @test
+ * @bug 8031320
+ * @summary Verify that RTMRetryCount affects actual amount of retries.
+ * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
+ * @build TestRTMRetryCount
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI TestRTMRetryCount
+ */
+
+import java.util.List;
+
+import com.oracle.java.testlibrary.*;
+import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
+import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
+import rtm.*;
+import rtm.predicate.SupportedCPU;
+import rtm.predicate.SupportedVM;
+
+/**
+ * Test verifies that RTMRetryCount option actually affects amount of
+ * retries on lock busy.
+ */
+public class TestRTMRetryCount extends CommandLineOptionTest {
+    /**
+     * Time in ms, during which busy lock will be locked.
+     */
+    private static final int LOCKING_TIME = 5000;
+    private static final boolean INFLATE_MONITOR = true;
+
+    private TestRTMRetryCount() {
+        super(new AndPredicate(new SupportedCPU(), new SupportedVM()));
+    }
+
+    @Override
+    protected void runTestCases() throws Throwable {
+        verifyRTMRetryCount(0);
+        verifyRTMRetryCount(1);
+        verifyRTMRetryCount(5);
+        verifyRTMRetryCount(10);
+    }
+
+    private void verifyRTMRetryCount(int retryCount) throws Throwable {
+        CompilableTest busyLock = new BusyLock();
+        long expectedAborts = retryCount + 1L;
+
+        OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
+                busyLock,
+                "-XX:-UseRTMXendForLockBusy",
+                "-XX:RTMTotalCountIncrRate=1",
+                CommandLineOptionTest.prepareNumericFlag("RTMRetryCount",
+                        retryCount),
+                "-XX:RTMTotalCountIncrRate=1",
+                "-XX:+PrintPreciseRTMLockingStatistics",
+                BusyLock.class.getName(),
+                Boolean.toString(TestRTMRetryCount.INFLATE_MONITOR),
+                Integer.toString(TestRTMRetryCount.LOCKING_TIME)
+        );
+
+        outputAnalyzer.shouldHaveExitValue(0);
+
+        List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString(
+                busyLock.getMethodWithLockName(), outputAnalyzer.getStdout());
+
+        Asserts.assertEQ(statistics.size(), 1, "VM output should contain "
+                + "exactly one rtm locking statistics entry for method "
+                + busyLock.getMethodWithLockName());
+
+        Asserts.assertEQ(statistics.get(0).getTotalAborts(), expectedAborts,
+                String.format("It is expected to get %d aborts",
+                        expectedAborts));
+    }
+
+    public static void main(String args[]) throws Throwable {
+        new TestRTMRetryCount().test();
+    }
+}

test/compiler/rtm/locking/TestRTMSpinLoopCount.java

+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/**
+ * @test
+ * @bug 8031320
+ * @summary Verify that RTMSpinLoopCount affects time spent
+ *          between locking attempts.
+ * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
+ * @build TestRTMSpinLoopCount
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI TestRTMSpinLoopCount
+ */
+
+import java.util.List;
+import com.oracle.java.testlibrary.*;
+import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
+import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
+import rtm.*;
+import rtm.predicate.SupportedCPU;
+import rtm.predicate.SupportedVM;
+
+/**
+ * Test verifies that RTMSpinLoopCount increase time spent between retries
+ * by comparing amount of retries done with different RTMSpinLoopCount's values.
+ */
+public class TestRTMSpinLoopCount extends CommandLineOptionTest {
+    private static final int LOCKING_TIME = 1000;
+    private static final int RTM_RETRY_COUNT = 1000;
+    private static final boolean INFLATE_MONITOR = true;
+    private static final long MAX_ABORTS = RTM_RETRY_COUNT + 1L;
+    private static final int[] SPIN_LOOP_COUNTS
+            = new int[] { 0, 100, 1_000, 1_000_000, 10_000_000 };
+
+    private TestRTMSpinLoopCount() {
+        super(new AndPredicate(new SupportedVM(), new SupportedCPU()));
+    }
+
+    @Override
+    protected void runTestCases() throws Throwable {
+        long[] aborts = new long[TestRTMSpinLoopCount.SPIN_LOOP_COUNTS.length];
+        for (int i = 0; i < TestRTMSpinLoopCount.SPIN_LOOP_COUNTS.length; i++) {
+            aborts[i] = getAbortsCountOnLockBusy(
+                    TestRTMSpinLoopCount.SPIN_LOOP_COUNTS[i]);
+        }
+
+        for (int i = 1; i < aborts.length; i++) {
+            Asserts.assertLTE(aborts[i], aborts[i - 1], "Increased spin loop "
+                    + "count should not increase retries count.");
+        }
+    }
+
+    private long getAbortsCountOnLockBusy(int spinLoopCount) throws Throwable {
+        CompilableTest test = new BusyLock();
+
+        OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
+                test,
+                CommandLineOptionTest.prepareNumericFlag("RTMRetryCount",
+                        TestRTMSpinLoopCount.RTM_RETRY_COUNT),
+                CommandLineOptionTest.prepareNumericFlag("RTMSpinLoopCount",
+                        spinLoopCount),
+                "-XX:-UseRTMXendForLockBusy",
+                "-XX:RTMTotalCountIncrRate=1",
+                "-XX:+PrintPreciseRTMLockingStatistics",
+                BusyLock.class.getName(),
+                Boolean.toString(TestRTMSpinLoopCount.INFLATE_MONITOR),
+                Integer.toString(TestRTMSpinLoopCount.LOCKING_TIME)
+        );
+
+        outputAnalyzer.shouldHaveExitValue(0);
+
+        List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString(
+                test.getMethodWithLockName(), outputAnalyzer.getOutput());
+
+        Asserts.assertEQ(statistics.size(), 1,
+                "VM output should contain exactly one entry for method "
+                 + test.getMethodWithLockName());
+
+        RTMLockingStatistics lock = statistics.get(0);
+
+        Asserts.assertLTE(lock.getTotalAborts(),
+                TestRTMSpinLoopCount.MAX_ABORTS, String.format("Total aborts "
+                        + "count (%d) should be less or equal to %d",
+                        lock.getTotalAborts(),
+                        TestRTMSpinLoopCount.MAX_ABORTS));
+
+        return lock.getTotalAborts();
+    }
+
+    public static void main(String args[]) throws Throwable {
+        new TestRTMSpinLoopCount().test();
+    }
+}

test/compiler/rtm/locking/TestRTMTotalCountIncrRate.java

+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/**
+ * @test
+ * @bug 8031320
+ * @summary Verify that RTMTotalCountIncrRate option affects
+ *          RTM locking statistics.
+ * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
+ * @build TestRTMTotalCountIncrRate
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI TestRTMTotalCountIncrRate
+ */
+
+import java.util.List;
+
+import com.oracle.java.testlibrary.*;
+import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
+import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
+import rtm.*;
+import rtm.predicate.SupportedCPU;
+import rtm.predicate.SupportedVM;
+
+/**
+ * Test verifies that with RTMTotalCountIncrRate=1 RTM locking statistics
+ * contains precise information abort attempted locks and that with other values
+ * statistics contains information abort non-zero locking attempts.
+ * Since assert done for RTMTotalCountIncrRate=1 is pretty strict, test uses
+ * -XX:RTMRetryCount=0 to avoid issue with retriable aborts. For more details on
+ * that issue see {@link TestUseRTMAfterLockInflation}.
+ */
+public class TestRTMTotalCountIncrRate extends CommandLineOptionTest {
+    private TestRTMTotalCountIncrRate() {
+        super(new AndPredicate(new SupportedCPU(), new SupportedVM()));
+    }
+
+    @Override
+    protected void runTestCases() throws Throwable {
+        verifyLocksCount(1, false);
+        verifyLocksCount(64, false);
+        verifyLocksCount(128, false);
+        verifyLocksCount(1, true);
+        verifyLocksCount(64, true);
+        verifyLocksCount(128, true);
+    }
+
+    private void verifyLocksCount(int incrRate, boolean useStackLock)
+            throws Throwable{
+        CompilableTest test = new Test();
+
+        OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
+                test,
+                CommandLineOptionTest.prepareBooleanFlag("UseRTMForStackLocks",
+                        useStackLock),
+                CommandLineOptionTest.prepareNumericFlag(
+                        "RTMTotalCountIncrRate", incrRate),
+                "-XX:RTMRetryCount=0",
+                "-XX:+PrintPreciseRTMLockingStatistics",
+                Test.class.getName(),
+                Boolean.toString(!useStackLock)
+        );
+
+        outputAnalyzer.shouldHaveExitValue(0);
+
+        List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString(
+                test.getMethodWithLockName(), outputAnalyzer.getOutput());
+
+        Asserts.assertEQ(statistics.size(), 1, "VM output should contain "
+                + "exactly one RTM locking statistics entry for method "
+                + test.getMethodWithLockName());
+
+        RTMLockingStatistics lock = statistics.get(0);
+        if (incrRate == 1) {
+            Asserts.assertEQ(lock.getTotalLocks(), Test.TOTAL_ITERATIONS,
+                    "Total locks should be exactly the same as amount of "
+                    + "iterations.");
+        } else {
+            Asserts.assertGT(lock.getTotalLocks(), 0L, "RTM statistics "
+                    + "should contain information for at least on lock.");
+        }
+    }
+
+    public static class Test implements CompilableTest {
+        private static final long TOTAL_ITERATIONS = 10000L;
+        private final Object monitor = new Object();
+        // Following field have to be static in order to avoid escape analysis.
+        @SuppressWarnings("UnsuedDeclaration")
+        private static int field = 0;
+
+        @Override
+        public String getMethodWithLockName() {
+            return this.getClass().getName() + "::lock";
+        }
+
+        @Override
+        public String[] getMethodsToCompileNames() {
+            return new String[] {
+                getMethodWithLockName()
+            };
+        }
+
+        public void lock() {
+            synchronized(monitor) {
+                Test.field++;
+            }
+        }
+
+        /**
+         * Usage:
+         * Test &lt;inflate monitor&gt;
+         */
+        public static void main(String args[]) throws Throwable {
+            Asserts.assertGTE(args.length, 1, "One argument required.");
+            Test test = new Test();
+
+            if (Boolean.valueOf(args[0])) {
+                AbortProvoker.inflateMonitor(test.monitor);
+            }
+            for (long i = 0L; i < Test.TOTAL_ITERATIONS; i++) {
+                test.lock();
+            }
+        }
+    }
+
+    public static void main(String args[]) throws Throwable {
+        new TestRTMTotalCountIncrRate().test();
+    }
+}

test/compiler/rtm/locking/TestUseRTMAfterLockInflation.java

+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/**
+ * @test
+ * @bug 8031320
+ * @summary Verify that rtm locking is used for stack locks before
+ *          inflation and after it used for inflated locks.
+ * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
+ * @build TestUseRTMAfterLockInflation
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI TestUseRTMAfterLockInflation
+ */
+
+import java.util.List;
+
+import com.oracle.java.testlibrary.*;
+import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
+import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
+import rtm.*;
+import rtm.predicate.SupportedCPU;
+import rtm.predicate.SupportedVM;
+
+/**
+ * Test verifies that RTM is used after lock inflation by executing compiled
+ * method with RTM-based lock elision using stack lock first, then that lock
+ * is inflated and the same compiled method invoked again.
+ *
+ * Compiled method invoked {@code AbortProvoker.DEFAULT_ITERATIONS} times before
+ * lock inflation and the same amount of times after inflation.
+ * As a result total locks count should be equal to
+ * {@code 2*AbortProvoker.DEFAULT_ITERATIONS}.
+ * It is a pretty strict assertion which could fail if some retriable abort
+ * happened: it could be {@code AbortType.RETRIABLE} or
+ * {@code AbortType.MEM_CONFLICT}, but unfortunately abort can has both these
+ * reasons simultaneously. In order to avoid false negative failures related
+ * to incorrect aborts counting, -XX:RTMRetryCount=0 is used.
+ */
+public class TestUseRTMAfterLockInflation extends CommandLineOptionTest {
+    private static final long EXPECTED_LOCKS
+            = 2L * AbortProvoker.DEFAULT_ITERATIONS;
+
+    private TestUseRTMAfterLockInflation() {
+        super(new AndPredicate(new SupportedVM(), new SupportedCPU()));
+    }
+
+    @Override
+    protected void runTestCases() throws Throwable {
+        AbortProvoker provoker = AbortType.XABORT.provoker();
+        long totalLocksCount = 0;
+
+        OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
+                provoker,
+                "-XX:+UseRTMForStackLocks",
+                "-XX:RTMTotalCountIncrRate=1",
+                "-XX:RTMRetryCount=0",
+                "-XX:+PrintPreciseRTMLockingStatistics",
+                Test.class.getName(),
+                AbortType.XABORT.toString());
+
+        outputAnalyzer.shouldHaveExitValue(0);
+
+        List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString(
+                provoker.getMethodWithLockName(), outputAnalyzer.getOutput());
+
+        Asserts.assertEQ(statistics.size(), 2,
+                "VM output should contain two rtm locking statistics entries "
+                + "for method " + provoker.getMethodWithLockName());
+
+        for (RTMLockingStatistics s : statistics) {
+            totalLocksCount += s.getTotalLocks();
+        }
+
+        Asserts.assertEQ(totalLocksCount,
+                TestUseRTMAfterLockInflation.EXPECTED_LOCKS,
+                "Total lock count should be greater or equal to "
+                + TestUseRTMAfterLockInflation.EXPECTED_LOCKS);
+    }
+
+    public static class Test {
+
+        /**
+         * Usage:
+         * Test &lt;provoker type&gt;
+         */
+        public static void main(String args[]) throws Throwable {
+            Asserts.assertGT(args.length, 0,
+                    "AbortType name is expected as first argument.");
+
+            AbortProvoker provoker
+                    = AbortType.lookup(Integer.valueOf(args[0])).provoker();
+            for (int i = 0; i < AbortProvoker.DEFAULT_ITERATIONS; i++) {
+                provoker.forceAbort();
+            }
+            provoker.inflateMonitor();
+            for (int i = 0; i < AbortProvoker.DEFAULT_ITERATIONS; i++) {
+                provoker.forceAbort();
+            }
+        }
+    }
+
+    public static void main(String args[]) throws Throwable {
+        new TestUseRTMAfterLockInflation().test();
+    }
+}

test/compiler/rtm/locking/TestUseRTMDeopt.java

+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/**
+ * @test
+ * @bug 8031320
+ * @summary Verify that UseRTMDeopt affects uncommon trap installation in
+ *          copmpiled methods with synchronized block.
+ * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
+ * @build TestUseRTMDeopt
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI TestUseRTMDeopt
+ */
+
+import com.oracle.java.testlibrary.*;
+import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
+import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
+import rtm.*;
+import rtm.predicate.SupportedCPU;
+import rtm.predicate.SupportedVM;
+
+/**
+ * Test verifies that usage of UseRTMDeopt option affects uncommon traps usage
+ * for methods that use locking.
+ */
+public class TestUseRTMDeopt extends CommandLineOptionTest {
+    private TestUseRTMDeopt() {
+        super(new AndPredicate(new SupportedVM(), new SupportedCPU()));
+    }
+
+    @Override
+    protected void runTestCases() throws Throwable {
+        verifyUseRTMDeopt(false);
+        verifyUseRTMDeopt(true);
+    }
+
+    private void verifyUseRTMDeopt(boolean useRTMDeopt) throws Throwable {
+        AbortProvoker provoker = AbortType.XABORT.provoker();
+        String logFileName = String.format("rtm_%s_deopt.xml",
+                useRTMDeopt ? "use" : "no");
+
+        OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
+                logFileName,
+                provoker,
+                CommandLineOptionTest.prepareBooleanFlag("UseRTMDeopt",
+                        useRTMDeopt),
+                AbortProvoker.class.getName(),
+                AbortType.XABORT.toString()
+        );
+
+        outputAnalyzer.shouldHaveExitValue(0);
+
+        int expectedUncommonTraps = useRTMDeopt ? 1 : 0;
+        int installedUncommonTraps
+                = RTMTestBase.installedRTMStateChangeTraps(logFileName);
+
+        Asserts.assertEQ(expectedUncommonTraps, installedUncommonTraps,
+                String.format("Expected to find %d uncommon traps "
+                              + "installed with reason rtm_state_change.",
+                        expectedUncommonTraps));
+    }
+
+    public static void main(String args[]) throws Throwable {
+        new TestUseRTMDeopt().test();
+    }
+}

test/compiler/rtm/locking/TestUseRTMForInflatedLocks.java

+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/**
+ * @test
+ * @bug 8031320
+ * @summary Verify that rtm locking is used for inflated locks.
+ * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
+ * @build TestUseRTMForInflatedLocks
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI TestUseRTMForInflatedLocks
+ */
+
+import java.util.List;
+
+import com.oracle.java.testlibrary.*;
+import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
+import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
+import rtm.*;
+import rtm.predicate.SupportedCPU;
+import rtm.predicate.SupportedVM;
+
+/**
+ * Test verifies that RTM-based lock elision could be used for inflated locks
+ * by calling compiled method that use RTM-based lock elision and using
+ * manually inflated lock.
+ * Compiled method invoked {@code AbortProvoker.DEFAULT_ITERATIONS} times,
+ * so total locks count should be the same.
+ * This test could also be affected by retriable aborts, so -XX:RTMRetryCount=0
+ * is used. For more information abort that issue see
+ * {@link TestUseRTMAfterLockInflation}.
+ */
+public class TestUseRTMForInflatedLocks extends CommandLineOptionTest {
+    private TestUseRTMForInflatedLocks() {
+        super(new AndPredicate(new SupportedCPU(), new SupportedVM()));
+    }
+
+    @Override
+    protected void runTestCases() throws Throwable {
+        AbortProvoker provoker = AbortType.XABORT.provoker();
+        RTMLockingStatistics lock;
+
+        OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
+                provoker,
+                "-XX:-UseRTMForStackLocks",
+                "-XX:RTMTotalCountIncrRate=1",
+                "-XX:RTMRetryCount=0",
+                "-XX:+PrintPreciseRTMLockingStatistics",
+                AbortProvoker.class.getName(),
+                AbortType.XABORT.toString());
+
+        outputAnalyzer.shouldHaveExitValue(0);
+
+        List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString(
+                provoker.getMethodWithLockName(), outputAnalyzer.getOutput());
+
+        Asserts.assertEQ(statistics.size(), 1,
+                "VM output should contain exactly one rtm locking statistics "
+                + "entry for method " + provoker.getMethodWithLockName());
+
+        lock = statistics.get(0);
+        Asserts.assertEQ(lock.getTotalLocks(), AbortProvoker.DEFAULT_ITERATIONS,
+                "Total lock count should be greater or equal to "
+                + AbortProvoker.DEFAULT_ITERATIONS);
+    }
+
+    public static void main(String args[]) throws Throwable {
+        new TestUseRTMForInflatedLocks().test();
+    }
+}

test/compiler/rtm/locking/TestUseRTMForStackLocks.java

+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/**
+ * @test
+ * @bug 8031320
+ * @summary Verify that rtm locking is used for stack locks.
+ * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
+ * @build TestUseRTMForStackLocks
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI TestUseRTMForStackLocks
+ */
+
+import java.util.List;
+
+import com.oracle.java.testlibrary.*;
+import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
+import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
+import rtm.*;
+import rtm.predicate.SupportedCPU;
+import rtm.predicate.SupportedVM;
+
+/**
+ * Test verifies that RTM-based lock elision could be used for stack locks
+ * by calling compiled method that use RTM-based lock elision and using
+ * stack lock.
+ * Compiled method invoked {@code AbortProvoker.DEFAULT_ITERATIONS} times,
+ * so total locks count should be the same.
+ * This test could also be affected by retriable aborts, so -XX:RTMRetryCount=0
+ * is used. For more information abort that issue see
+ * {@link TestUseRTMAfterLockInflation}.
+ */
+public class TestUseRTMForStackLocks extends CommandLineOptionTest {
+    private static final boolean INFLATE_MONITOR = false;
+
+    private TestUseRTMForStackLocks() {
+        super(new AndPredicate(new SupportedCPU(), new SupportedVM()));
+    }
+
+    @Override
+    protected void runTestCases() throws Throwable {
+        AbortProvoker provoker = AbortType.XABORT.provoker();
+        RTMLockingStatistics lock;
+
+        OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
+                provoker,
+                "-XX:+UseRTMForStackLocks",
+                "-XX:RTMTotalCountIncrRate=1",
+                "-XX:RTMRetryCount=0",
+                "-XX:+PrintPreciseRTMLockingStatistics",
+                AbortProvoker.class.getName(),
+                AbortType.XABORT.toString(),
+                Boolean.toString(TestUseRTMForStackLocks.INFLATE_MONITOR));
+
+        outputAnalyzer.shouldHaveExitValue(0);
+
+        List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString(
+                provoker.getMethodWithLockName(), outputAnalyzer.getOutput());
+
+        Asserts.assertEQ(statistics.size(), 1,
+                "VM output should contain exactly one rtm locking statistics "
+                + "entry for method " + provoker.getMethodWithLockName());
+
+        lock = statistics.get(0);
+        Asserts.assertEQ(lock.getTotalLocks(), AbortProvoker.DEFAULT_ITERATIONS,
+                "Total locks count should be greater or equal to "
+                + AbortProvoker.DEFAULT_ITERATIONS);
+    }
+
+    public static void main(String args[]) throws Throwable {
+        new TestUseRTMForStackLocks().test();
+    }
+}

test/compiler/rtm/locking/TestUseRTMXendForLockBusy.java

+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/**
+ * @test
+ * @bug 8031320
+ * @summary Verify that UseRTMXendForLockBusy option affects
+ *          method behaviour if lock is busy.
+ * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
+ * @build TestUseRTMXendForLockBusy
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI TestUseRTMXendForLockBusy
+ */
+
+import java.util.List;
+
+import com.oracle.java.testlibrary.*;
+import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
+import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
+import rtm.*;
+import rtm.predicate.SupportedCPU;
+import rtm.predicate.SupportedVM;
+
+/**
+ * Test verifies that with +UseRTMXendForLockBusy there will be no aborts
+ * forced by the test.
+ */
+public class TestUseRTMXendForLockBusy extends CommandLineOptionTest {
+    private final static int LOCKING_TIME = 5000;
+
+    private TestUseRTMXendForLockBusy() {
+        super(new AndPredicate(new SupportedVM(), new SupportedCPU()));
+    }
+
+    @Override
+    protected void runTestCases() throws Throwable {
+        // inflated lock, xabort on lock busy
+        verifyXendForLockBusy(true, false);
+        // inflated lock, xend on lock busy
+        verifyXendForLockBusy(true, true);
+        // stack lock, xabort on lock busy
+        verifyXendForLockBusy(false, false);
+        // stack lock, xend on lock busy
+        verifyXendForLockBusy(false, true);
+    }
+
+    private void verifyXendForLockBusy(boolean inflateMonitor,
+            boolean useXend) throws Throwable {
+        CompilableTest test = new BusyLock();
+
+        OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
+                test,
+                CommandLineOptionTest.prepareBooleanFlag("UseRTMForStackLocks",
+                        inflateMonitor),
+                CommandLineOptionTest.prepareBooleanFlag(
+                        "UseRTMXendForLockBusy",
+                        useXend),
+                "-XX:RTMRetryCount=0",
+                "-XX:RTMTotalCountIncrRate=1",
+                "-XX:+PrintPreciseRTMLockingStatistics",
+                BusyLock.class.getName(),
+                Boolean.toString(inflateMonitor),
+                Integer.toString(TestUseRTMXendForLockBusy.LOCKING_TIME)
+        );
+
+        outputAnalyzer.shouldHaveExitValue(0);
+
+        List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString(
+                test.getMethodWithLockName(), outputAnalyzer.getOutput());
+
+        Asserts.assertEQ(statistics.size(), 1, "VM output should contain "
+                + "exactly one rtm locking statistics entry for method "
+                + test.getMethodWithLockName());
+
+        long aborts = statistics.get(0).getAborts(AbortType.XABORT);
+
+        if (useXend) {
+            Asserts.assertEQ(aborts, 0L,
+                    "Expected to get no aborts on busy lock");
+        } else {
+            Asserts.assertGT(aborts, 0L,
+                    "Expected to get at least one abort on busy lock");
+        }
+    }
+
+    public static void main(String args[]) throws Throwable {
+        new TestUseRTMXendForLockBusy().test();
+    }
+}

test/compiler/rtm/method_options/TestNoRTMLockElidingOption.java

+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/**
+ * @test
+ * @bug 8031320
+ * @summary Verify that NoRTMLockEliding option could be applied to
+ *          specified method and that such method will not use rtm.
+ * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
+ * @build TestNoRTMLockElidingOption
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI TestNoRTMLockElidingOption
+ */
+
+import java.util.List;
+import com.oracle.java.testlibrary.*;
+import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
+import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
+import rtm.*;
+import rtm.predicate.SupportedCPU;
+import rtm.predicate.SupportedVM;
+
+/**
+ * Test verifies that method tagged with option <i>NoRTMLockElidingOption</i>
+ * will not use RTM-based lock elision.
+ * Test invokes compiled method and checks that no deoptimization with
+ * <i>rtm_state_change</i> reason had happened and that that VM output
+ * does not contain RTM locking statistics for compiled method.
+ */
+public class TestNoRTMLockElidingOption extends CommandLineOptionTest {
+    private TestNoRTMLockElidingOption() {
+        super(new AndPredicate(new SupportedCPU(), new SupportedVM()));
+    }
+
+    @Override
+    public void runTestCases() throws Throwable {
+        verifyOption(false);
+        verifyOption(true);
+    }
+
+    public void verifyOption(boolean useStackLock) throws Throwable {
+        AbortProvoker provoker = AbortType.XABORT.provoker();
+        String logFileName = String.format("rtm_deopt_%s_stack_lock.xml",
+                (useStackLock ? "use" : "no"));
+        String methodOption = String.format("-XX:CompileCommand=option," +
+                "%s,NoRTMLockEliding", provoker.getMethodWithLockName());
+
+        OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
+                logFileName,
+                provoker,
+                CommandLineOptionTest.prepareBooleanFlag("UseRTMForStackLocks",
+                        useStackLock),
+                methodOption,
+                "-XX:RTMTotalCountIncrRate=1",
+                "-XX:+UseRTMDeopt",
+                "-XX:+PrintPreciseRTMLockingStatistics",
+                AbortProvoker.class.getName(),
+                AbortType.XABORT.toString(),
+                Boolean.toString(!useStackLock)
+        );
+
+        outputAnalyzer.shouldHaveExitValue(0);
+
+        int firedTraps = RTMTestBase.firedRTMStateChangeTraps(logFileName);
+
+        Asserts.assertEQ(firedTraps, 0,
+                "No deoptimizations with rtm_state_change reason are expected");
+
+        List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString(
+                provoker.getMethodWithLockName(), outputAnalyzer.getOutput());
+
+        Asserts.assertEQ(statistics.size(), 0,
+                "VM output should not contain RTM locking statistics entries "
+                + "for method " + provoker.getMethodWithLockName());
+    }
+
+    public static void main(String args[]) throws Throwable {
+        new TestNoRTMLockElidingOption().test();
+    }
+}

test/compiler/rtm/method_options/TestUseRTMLockElidingOption.java

+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/**
+ * @test
+ * @bug 8031320
+ * @summary Verify that UseRTMLockEliding option could be applied to
+ *          specified method and that such method will not be deoptimized
+ *          on high abort ratio.
+ * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
+ * @build TestUseRTMLockElidingOption
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI TestUseRTMLockElidingOption
+ */
+
+import java.util.List;
+import com.oracle.java.testlibrary.*;
+import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
+import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
+import rtm.*;
+import rtm.predicate.SupportedCPU;
+import rtm.predicate.SupportedVM;
+
+/**
+ * Test verifies that method tagged with option <i>UseRTMLockElidingOption</i>
+ * will use RTM-based lock elision, but will be never deoptimized with
+ * <i>rtm_state_change reason</i>.
+ * Test invokes compiled method and checks that no deoptimization with
+ * <i>rtm_state_change</i> reason had happened and that that VM output
+ * contains RTM locking statistics for compiled method and that total locks
+ * count equals to method's invocations.
+ * Since last assert is pretty strict, test uses -XX:RTMRetryCount=0 in order
+ * to avoid issue with retriable aborts described in
+ * {@link TestUseRTMAfterLockInflation}.
+ */
+public class TestUseRTMLockElidingOption extends CommandLineOptionTest {
+    private TestUseRTMLockElidingOption() {
+        super(new AndPredicate(new SupportedCPU(), new SupportedVM()));
+    }
+
+    @Override
+    public void runTestCases() throws Throwable {
+        verifyOption(false);
+        verifyOption(true);
+    }
+
+    public void verifyOption(boolean useStackLock) throws Throwable {
+        AbortProvoker provoker = AbortType.XABORT.provoker();
+        String logFileName = String.format("rtm_deopt_%s_stack_lock.xml",
+                (useStackLock ? "use" : "no"));
+        String methodOption = String.format("-XX:CompileCommand=option," +
+                "%s,UseRTMLockEliding", provoker.getMethodWithLockName());
+
+        OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
+                logFileName,
+                provoker,
+                CommandLineOptionTest.prepareBooleanFlag("UseRTMForStackLocks",
+                        useStackLock),
+                methodOption,
+                "-XX:RTMTotalCountIncrRate=1",
+                "-XX:RTMRetryCount=0",
+                "-XX:+UseRTMDeopt",
+                "-XX:+PrintPreciseRTMLockingStatistics",
+                provoker.getClass().getName(),
+                AbortType.XABORT.toString(),
+                Boolean.toString(!useStackLock)
+        );
+
+        outputAnalyzer.shouldHaveExitValue(0);
+
+        int firedTraps = RTMTestBase.firedRTMStateChangeTraps(logFileName);
+
+        Asserts.assertEQ(firedTraps, 0,
+                "Method deoptimization with rtm_state_change is unexpected");
+
+        List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString(
+                provoker.getMethodWithLockName(), outputAnalyzer.getOutput());
+
+        Asserts.assertEQ(statistics.size(), 1,
+                "VM output should contain exactly one RTM locking "
+                + "statistics entry for method "
+                + provoker.getMethodWithLockName());
+
+        RTMLockingStatistics lock = statistics.get(0);
+
+        Asserts.assertEQ(lock.getTotalLocks(), AbortProvoker.DEFAULT_ITERATIONS,
+                "Expected to get total locks count equal to total amount of "
+                + "lock attempts.");
+    }
+
+    public static void main(String args[]) throws Throwable {
+        new TestUseRTMLockElidingOption().test();
+    }
+}

test/compiler/rtm/print/TestPrintPreciseRTMLockingStatistics.java

+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/**
+ * @test
+ * @bug 8031320
+ * @summary Verify that rtm locking statistics contain proper information
+ *          on overall aborts and locks count and count of aborts of
+ *          different types. Test also verify that VM output does not
+ *          contain rtm locking statistics when it should not.
+ * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
+ * @build TestPrintPreciseRTMLockingStatistics
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI TestPrintPreciseRTMLockingStatistics
+ */
+
+import java.util.*;
+
+import com.oracle.java.testlibrary.*;
+import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
+import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
+import rtm.*;
+import rtm.predicate.SupportedCPU;
+import rtm.predicate.SupportedVM;
+
+/**
+ * Test verifies that VM output does not contain RTM locking statistics when it
+ * should not (when PrintPreciseRTMLockingStatistics is off) and that with
+ * -XX:+PrintPreciseRTMLockingStatistics locking statistics contains sane
+ * total locks and aborts count as well as for specific abort types.
+ */
+public class TestPrintPreciseRTMLockingStatistics
+        extends CommandLineOptionTest {
+    private TestPrintPreciseRTMLockingStatistics() {
+        super(new AndPredicate(new SupportedCPU(), new SupportedVM()));
+    }
+
+    @Override
+    public void runTestCases() throws Throwable {
+        verifyNoStatistics();
+        verifyStatistics();
+    }
+
+    // verify that VM output does not contain
+    // rtm locking statistics
+    private void verifyNoStatistics() throws Throwable {
+        verifyNoStatistics(AbortType.XABORT);
+
+        verifyNoStatistics(AbortType.XABORT,
+                "-XX:-PrintPreciseRTMLockingStatistics");
+
+        verifyNoStatistics(AbortType.XABORT, "-XX:-UseRTMLocking",
+                "-XX:+PrintPreciseRTMLockingStatistics");
+    }
+
+    // verify that rtm locking statistics contain information
+    // about each type of aborts
+    private void verifyStatistics() throws Throwable {
+        verifyAbortsCount(AbortType.XABORT);
+        verifyAbortsCount(AbortType.MEM_CONFLICT);
+        verifyAbortsCount(AbortType.BUF_OVERFLOW);
+        verifyAbortsCount(AbortType.NESTED_ABORT);
+    }
+
+    private void verifyNoStatistics(AbortType abortProvokerType,
+            String... vmOpts) throws Throwable {
+        AbortProvoker provoker = abortProvokerType.provoker();
+        List<String> finalVMOpts = new LinkedList<>();
+        Collections.addAll(finalVMOpts, vmOpts);
+        Collections.addAll(finalVMOpts, AbortProvoker.class.getName(),
+                abortProvokerType.toString());
+
+        OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(provoker,
+                finalVMOpts.toArray(new String[finalVMOpts.size()]));
+
+        outputAnalyzer.shouldHaveExitValue(0);
+
+        List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString(
+                outputAnalyzer.getOutput());
+
+        Asserts.assertEQ(statistics.size(), 0, "VM output should not contain "
+                + "any RTM locking statistics");
+    }
+
+    private void verifyAbortsCount(AbortType abortType) throws Throwable {
+        AbortProvoker provoker = abortType.provoker();
+
+        OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
+                provoker,
+                "-XX:+PrintPreciseRTMLockingStatistics",
+                AbortProvoker.class.getName(),
+                abortType.toString());
+
+        outputAnalyzer.shouldHaveExitValue(0);
+
+        List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString(
+                provoker.getMethodWithLockName(),outputAnalyzer.getOutput());
+
+        Asserts.assertGT(statistics.size(), 0, "VM output should contain one "
+                + "rtm locking statistics entry for method "
+                + provoker.getMethodWithLockName());
+
+        RTMLockingStatistics lock = statistics.get(0);
+
+        Asserts.assertGT(lock.getTotalLocks(), 0L, "RTM locking statistics "
+                + "should contain non zero total locks count");
+
+        Asserts.assertGT(lock.getTotalAborts(), 0L,
+                "RTM locking statistics should contain non zero total aborts "
+                + "count");
+
+        Asserts.assertGT(lock.getAborts(abortType), 0L, String.format(
+                "RTM locking statistics should contain non zero aborts count "
+                + "for abort reason %s", abortType));
+    }
+
+    public static void main(String args[]) throws Throwable {
+        new TestPrintPreciseRTMLockingStatistics().test();
+    }
+}