--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/rtm/locking/TestRTMAbortRatio.java	Fri Apr 11 00:35:23 2014 +0400
@@ -0,0 +1,163 @@
+/*
+ * 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();
+    }
+}
+