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 that UseRTMDeopt affects uncommon trap installation in
28 *          copmpiled methods with synchronized block.
29 * @library /test/lib /
30 * @modules java.base/jdk.internal.misc
31 *          java.management
32 * @build sun.hotspot.WhiteBox
33 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
34 *                                sun.hotspot.WhiteBox$WhiteBoxPermission
35 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
36 *                   -XX:+WhiteBoxAPI
37 *                   compiler.rtm.locking.TestUseRTMDeopt
38 */
39
40package compiler.rtm.locking;
41
42import compiler.testlibrary.rtm.AbortProvoker;
43import compiler.testlibrary.rtm.AbortType;
44import compiler.testlibrary.rtm.RTMTestBase;
45import compiler.testlibrary.rtm.predicate.SupportedCPU;
46import compiler.testlibrary.rtm.predicate.SupportedOS;
47import compiler.testlibrary.rtm.predicate.SupportedVM;
48import jdk.test.lib.Asserts;
49import jdk.test.lib.process.OutputAnalyzer;
50import jdk.test.lib.cli.CommandLineOptionTest;
51import jdk.test.lib.cli.predicate.AndPredicate;
52
53/**
54 * Test verifies that usage of UseRTMDeopt option affects uncommon traps usage
55 * for methods that use locking.
56 */
57public class TestUseRTMDeopt extends CommandLineOptionTest {
58    private TestUseRTMDeopt() {
59        super(new AndPredicate(new SupportedCPU(), new SupportedOS(), new SupportedVM()));
60    }
61
62    @Override
63    protected void runTestCases() throws Throwable {
64        verifyUseRTMDeopt(false);
65        verifyUseRTMDeopt(true);
66    }
67
68    private void verifyUseRTMDeopt(boolean useRTMDeopt) throws Throwable {
69        AbortProvoker provoker = AbortType.XABORT.provoker();
70        String logFileName = String.format("rtm_%s_deopt.xml",
71                useRTMDeopt ? "use" : "no");
72
73        OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
74                logFileName,
75                provoker,
76                CommandLineOptionTest.prepareBooleanFlag("UseRTMDeopt",
77                        useRTMDeopt),
78                AbortProvoker.class.getName(),
79                AbortType.XABORT.toString()
80        );
81
82        outputAnalyzer.shouldHaveExitValue(0);
83
84        int expectedUncommonTraps = useRTMDeopt ? 1 : 0;
85        int installedUncommonTraps
86                = RTMTestBase.installedRTMStateChangeTraps(logFileName);
87
88        Asserts.assertEQ(expectedUncommonTraps, installedUncommonTraps,
89                String.format("Expected to find %d uncommon traps "
90                              + "installed with reason rtm_state_change.",
91                        expectedUncommonTraps));
92    }
93
94    public static void main(String args[]) throws Throwable {
95        new TestUseRTMDeopt().test();
96    }
97}
98