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 RTMLockingCalculationDelay affect when
28 *          abort ratio calculation is started.
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.TestRTMLockingCalculationDelay
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 abort ratio calculation could be delayed using
55 * RTMLockingCalculationDelay option.
56 */
57public class TestRTMLockingCalculationDelay extends CommandLineOptionTest {
58    private static final boolean INFLATE_MONITOR = true;
59
60    private TestRTMLockingCalculationDelay() {
61        super(new AndPredicate(new SupportedCPU(), new SupportedOS(), new SupportedVM()));
62    }
63
64    @Override
65    protected void runTestCases() throws Throwable {
66        // verify that calculation will be started immediately
67        verifyLockingCalculationDelay(0, 0, true);
68
69        // verify that calculation will not be started during
70        // first 10 minutes, while test will be started immediately
71        verifyLockingCalculationDelay(600000, 0, false);
72
73        // verify that calculation will be started after a second
74        verifyLockingCalculationDelay(1000, 1000, true);
75    }
76
77    private void verifyLockingCalculationDelay(long delay, long testDelay,
78            boolean deoptExpected) throws Throwable {
79        AbortProvoker provoker = AbortType.XABORT.provoker();
80        String logFileName = String.format("rtm_delay_%d_%d.xml", delay,
81                testDelay);
82
83        OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
84                logFileName,
85                provoker,
86                "-XX:+UseRTMDeopt",
87                CommandLineOptionTest.prepareNumericFlag(
88                        "RTMLockingCalculationDelay", delay),
89                "-XX:RTMAbortRatio=0",
90                "-XX:RTMAbortThreshold=0",
91                AbortProvoker.class.getName(),
92                AbortType.XABORT.toString(),
93                Boolean.toString(
94                        TestRTMLockingCalculationDelay.INFLATE_MONITOR),
95                Long.toString(AbortProvoker.DEFAULT_ITERATIONS),
96                Long.toString(testDelay)
97        );
98
99        outputAnalyzer.shouldHaveExitValue(0);
100
101        int deopts = RTMTestBase.firedRTMStateChangeTraps(logFileName);
102
103        if (deoptExpected) {
104            Asserts.assertGT(deopts, 0, "At least one deoptimization due to "
105                    + "rtm_state_chage is expected");
106        } else {
107            Asserts.assertEQ(deopts, 0, "No deoptimizations due to "
108                    + "rtm_state_chage are expected");
109        }
110    }
111
112    public static void main(String args[]) throws Throwable {
113        new TestRTMLockingCalculationDelay().test();
114    }
115}
116