1 /*

     2  * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.

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

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     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

    21  * questions.

    22  */

    23 

    24 /**

    25  * @test

    26  * @bug 8031320

    27  * @summary Verify PrintPreciseRTMLockingStatistics on CPUs with

    28  *          rtm support and on VM with rtm locking support,

    29  * @library /test/lib /

    30  * @modules java.base/jdk.internal.misc

    31  *          java.management

    32  * @requires vm.flavor == "server" & !vm.emulatedClient & vm.rtm.cpu & vm.rtm.os

    33  * @build sun.hotspot.WhiteBox

    34  * @run driver ClassFileInstaller sun.hotspot.WhiteBox

    35  *                                sun.hotspot.WhiteBox$WhiteBoxPermission

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

    37  *                   -XX:+WhiteBoxAPI

    38  *                   compiler.rtm.cli.TestPrintPreciseRTMLockingStatisticsOptionOnSupportedConfig

    39  */

    40 

    41 package compiler.rtm.cli;

    42 

    43 import jdk.test.lib.cli.CommandLineOptionTest;

    44 

    45 public class TestPrintPreciseRTMLockingStatisticsOptionOnSupportedConfig

    46         extends TestPrintPreciseRTMLockingStatisticsBase {

    47 

    48     @Override

    49     protected void verifyOptionValues() throws Throwable {

    50         super.verifyOptionValues();

    51         // verify default value

    52         CommandLineOptionTest.verifyOptionValueForSameVM(optionName,

    53                 TestPrintPreciseRTMLockingStatisticsBase.DEFAULT_VALUE,

    54                 String.format("Option '%s' should have '%s' default value on"

    55                         + " supported CPU", optionName,

    56                 TestPrintPreciseRTMLockingStatisticsBase.DEFAULT_VALUE),

    57                 CommandLineOptionTest.UNLOCK_DIAGNOSTIC_VM_OPTIONS,

    58                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,

    59                 "-XX:+UseRTMLocking");

    60 

    61         CommandLineOptionTest.verifyOptionValueForSameVM(optionName,

    62                 TestPrintPreciseRTMLockingStatisticsBase.DEFAULT_VALUE,

    63                 String.format("Option '%s' should have '%s' default value on"

    64                         + " supported CPU when -XX:-UseRTMLocking flag set",

    65                         optionName,

    66                        TestPrintPreciseRTMLockingStatisticsBase.DEFAULT_VALUE),

    67                 CommandLineOptionTest.UNLOCK_DIAGNOSTIC_VM_OPTIONS,

    68                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,

    69                 "-XX:-UseRTMLocking", prepareOptionValue("true"));

    70 

    71         // verify that option could be turned on

    72         CommandLineOptionTest.verifyOptionValueForSameVM(optionName, "true",

    73                 String.format("Option '%s' should have 'true' value when set "

    74                         + "on supported CPU and -XX:+UseRTMLocking flag set",

    75                         optionName),

    76                 CommandLineOptionTest.UNLOCK_DIAGNOSTIC_VM_OPTIONS,

    77                 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,

    78                 "-XX:+UseRTMLocking", prepareOptionValue("true"));

    79     }

    80 

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

    82         new TestPrintPreciseRTMLockingStatisticsOptionOnSupportedConfig()

    83                 .runTestCases();

    84     }

    85 }