jdk8-mips64-public/hotspot: test/compiler/rtm/method_options/TestUseRTMLockElidingOption.java@a51071796915

8068013: [TESTBUG] Aix support in hotspot jtreg tests
Reviewed-by: ctornqvi, fzhinkin, farvidsson

     1 /*

     2  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

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     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

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    22  *

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    25 /**

    26  * @test

    27  * @bug 8031320

    28  * @summary Verify that UseRTMLockEliding option could be applied to

    29  *          specified method and that such method will not be deoptimized

    30  *          on high abort ratio.

    31  * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary

    32  * @build TestUseRTMLockElidingOption

    33  * @run main ClassFileInstaller sun.hotspot.WhiteBox

    34  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions

    35  *                   -XX:+WhiteBoxAPI TestUseRTMLockElidingOption

    36  */

    38 import java.util.List;

    39 import com.oracle.java.testlibrary.*;

    40 import com.oracle.java.testlibrary.cli.CommandLineOptionTest;

    41 import com.oracle.java.testlibrary.cli.predicate.AndPredicate;

    42 import rtm.*;

    43 import rtm.predicate.SupportedCPU;

    44 import rtm.predicate.SupportedVM;

    46 /**

    47  * Test verifies that method tagged with option <i>UseRTMLockElidingOption</i>

    48  * will use RTM-based lock elision, but will be never deoptimized with

    49  * <i>rtm_state_change reason</i>.

    50  * Test invokes compiled method and checks that no deoptimization with

    51  * <i>rtm_state_change</i> reason had happened and that that VM output

    52  * contains RTM locking statistics for compiled method and that total locks

    53  * count equals to method's invocations.

    54  * Since last assert is pretty strict, test uses -XX:RTMRetryCount=0 in order

    55  * to avoid issue with retriable aborts described in

    56  * {@link TestUseRTMAfterLockInflation}.

    57  */

    58 public class TestUseRTMLockElidingOption extends CommandLineOptionTest {

    59     private TestUseRTMLockElidingOption() {

    60         super(new AndPredicate(new SupportedCPU(), new SupportedVM()));

    61     }

    63     @Override

    64     public void runTestCases() throws Throwable {

    65         verifyOption(false);

    66         verifyOption(true);

    67     }

    69     public void verifyOption(boolean useStackLock) throws Throwable {

    70         AbortProvoker provoker = AbortType.XABORT.provoker();

    71         String logFileName = String.format("rtm_deopt_%s_stack_lock.xml",

    72                 (useStackLock ? "use" : "no"));

    73         String methodOption = String.format("-XX:CompileCommand=option," +

    74                 "%s,UseRTMLockEliding", provoker.getMethodWithLockName());

    76         OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(

    77                 logFileName,

    78                 provoker,

    79                 CommandLineOptionTest.prepareBooleanFlag("UseRTMForStackLocks",

    80                         useStackLock),

    81                 methodOption,

    82                 "-XX:RTMTotalCountIncrRate=1",

    83                 "-XX:RTMRetryCount=0",

    84                 "-XX:+UseRTMDeopt",

    85                 "-XX:+PrintPreciseRTMLockingStatistics",

    86                 provoker.getClass().getName(),

    87                 AbortType.XABORT.toString(),

    88                 Boolean.toString(!useStackLock)

    89         );

    91         outputAnalyzer.shouldHaveExitValue(0);

    93         int firedTraps = RTMTestBase.firedRTMStateChangeTraps(logFileName);

    95         Asserts.assertEQ(firedTraps, 0,

    96                 "Method deoptimization with rtm_state_change is unexpected");

    98         List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString(

    99                 provoker.getMethodWithLockName(), outputAnalyzer.getOutput());

   101         Asserts.assertEQ(statistics.size(), 1,

   102                 "VM output should contain exactly one RTM locking "

   103                 + "statistics entry for method "

   104                 + provoker.getMethodWithLockName());

   106         RTMLockingStatistics lock = statistics.get(0);

   108         Asserts.assertEQ(lock.getTotalLocks(), AbortProvoker.DEFAULT_ITERATIONS,

   109                 "Expected to get total locks count equal to total amount of "

   110                 + "lock attempts.");

   111     }

   113     public static void main(String args[]) throws Throwable {

   114         new TestUseRTMLockElidingOption().test();

   115     }

   116 }

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