1 /*
2 * Copyright (c) 2014, 2015, 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.
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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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23 */
24
25 /**
26 * @test
27 * @bug 8031320
28 * @summary Verify UseRTMForStackLocks option processing on CPU with
29 * rtm support when VM supports rtm locking.
30 * @library /testlibrary /test/lib /
31 * @modules java.base/jdk.internal.misc
32 * java.management
33 *
34 * @build compiler.rtm.cli.TestUseRTMForStackLocksOptionOnSupportedConfig
35 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
36 * sun.hotspot.WhiteBox$WhiteBoxPermission
37 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
38 * -XX:+WhiteBoxAPI
39 * compiler.rtm.cli.TestUseRTMForStackLocksOptionOnSupportedConfig
40 */
41
42 package compiler.rtm.cli;
43
44 import compiler.testlibrary.rtm.predicate.SupportedCPU;
45 import compiler.testlibrary.rtm.predicate.SupportedVM;
46 import jdk.test.lib.ExitCode;
47 import jdk.test.lib.cli.CommandLineOptionTest;
48 import jdk.test.lib.cli.predicate.AndPredicate;
49
50 public class TestUseRTMForStackLocksOptionOnSupportedConfig
51 extends CommandLineOptionTest {
52 private static final String DEFAULT_VALUE = "false";
53
54 private TestUseRTMForStackLocksOptionOnSupportedConfig() {
55 super(new AndPredicate(new SupportedVM(), new SupportedCPU()));
56 }
57
58 @Override
59 public void runTestCases() throws Throwable {
60 String errorMessage
61 = CommandLineOptionTest.getExperimentalOptionErrorMessage(
62 "UseRTMForStackLocks");
63 String warningMessage
64 = RTMGenericCommandLineOptionTest.RTM_FOR_STACK_LOCKS_WARNING;
65
66 String shouldFailMessage = " VM option 'UseRTMForStackLocks' is "
67 + "experimental%nJVM startup should fail without "
68 + "-XX:+UnlockExperimentalVMOptions flag";
69
70 CommandLineOptionTest.verifySameJVMStartup(
71 new String[] { errorMessage }, null, shouldFailMessage,
72 shouldFailMessage + "%nError message expected", ExitCode.FAIL,
73 "-XX:+UseRTMForStackLocks");
74 String shouldPassMessage = " VM option 'UseRTMForStackLocks'"
75 + " is experimental%nJVM startup should pass with "
76 + "-XX:+UnlockExperimentalVMOptions flag";
77 // verify that we get a warning when trying to use rtm for stack
78 // lock, but not using rtm locking.
79 CommandLineOptionTest.verifySameJVMStartup(
80 new String[] { warningMessage }, null, shouldPassMessage,
81 "There should be warning when trying to use rtm for stack "
82 + "lock, but not using rtm locking", ExitCode.OK,
83 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
84 "-XX:+UseRTMForStackLocks",
85 "-XX:-UseRTMLocking");
86 // verify that we don't get a warning when no using rtm for stack
87 // lock and not using rtm locking.
88 CommandLineOptionTest.verifySameJVMStartup(null,
89 new String[] { warningMessage }, shouldPassMessage,
90 "There should not be any warning when use both "
91 + "-XX:-UseRTMForStackLocks and -XX:-UseRTMLocking "
92 + "flags",
93 ExitCode.OK,
94 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
95 "-XX:-UseRTMForStackLocks",
96 "-XX:-UseRTMLocking");
97 // verify that we don't get a warning when using rtm for stack
98 // lock and using rtm locking.
99 CommandLineOptionTest.verifySameJVMStartup(null,
100 new String[] { warningMessage }, shouldPassMessage,
101 "There should not be any warning when use both "
102 + "-XX:+UseRTMForStackLocks and -XX:+UseRTMLocking"
103 + " flags",
104 ExitCode.OK,
105 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
106 "-XX:+UseRTMForStackLocks",
107 "-XX:+UseRTMLocking");
108 // verify that default value if false
109 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMForStackLocks",
110 TestUseRTMForStackLocksOptionOnSupportedConfig.DEFAULT_VALUE,
111 "Default value of option 'UseRTMForStackLocks' should be false",
112 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS);
113 // verify that default value is false even with +UseRTMLocking
114 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMForStackLocks",
115 TestUseRTMForStackLocksOptionOnSupportedConfig.DEFAULT_VALUE,
116 "Default value of option 'UseRTMForStackLocks' should be false",
117 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
118 "-XX:+UseRTMLocking");
119 // verify that we can turn the option on
120 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMForStackLocks",
121 "true", "Value of option 'UseRTMForStackLocks' should "
122 + "be able to be set as 'true' when both "
123 + "-XX:+UseRTMForStackLocks and "
124 + "-XX:+UseRTMLocking flags used",
125 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
126 "-XX:+UseRTMLocking", "-XX:+UseRTMForStackLocks");
127 }
128
129 public static void main(String args[]) throws Throwable {
130 new TestUseRTMForStackLocksOptionOnSupportedConfig().test();
131 }
132 }