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 * @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.locking.TestRTMLockingCalculationDelay
39 */
40
41package compiler.rtm.locking;
42
43import compiler.testlibrary.rtm.AbortProvoker;
44import compiler.testlibrary.rtm.AbortType;
45import compiler.testlibrary.rtm.RTMTestBase;
46import jdk.test.lib.Asserts;
47import jdk.test.lib.process.OutputAnalyzer;
48import jdk.test.lib.cli.CommandLineOptionTest;
49
50/**
51 * Test verifies that abort ratio calculation could be delayed using
52 * RTMLockingCalculationDelay option.
53 */
54public class TestRTMLockingCalculationDelay {
55    private static final boolean INFLATE_MONITOR = true;
56
57    protected void runTestCases() throws Throwable {
58        // verify that calculation will be started immediately
59        verifyLockingCalculationDelay(0, 0, true);
60
61        // verify that calculation will not be started during
62        // first 10 minutes, while test will be started immediately
63        verifyLockingCalculationDelay(600000, 0, false);
64
65        // verify that calculation will be started after a second
66        verifyLockingCalculationDelay(1000, 1000, true);
67    }
68
69    private void verifyLockingCalculationDelay(long delay, long testDelay,
70            boolean deoptExpected) throws Throwable {
71        AbortProvoker provoker = AbortType.XABORT.provoker();
72        String logFileName = String.format("rtm_delay_%d_%d.xml", delay,
73                testDelay);
74
75        OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
76                logFileName,
77                provoker,
78                "-XX:+UseRTMDeopt",
79                CommandLineOptionTest.prepareNumericFlag(
80                        "RTMLockingCalculationDelay", delay),
81                "-XX:RTMAbortRatio=0",
82                "-XX:RTMAbortThreshold=0",
83                AbortProvoker.class.getName(),
84                AbortType.XABORT.toString(),
85                Boolean.toString(
86                        TestRTMLockingCalculationDelay.INFLATE_MONITOR),
87                Long.toString(AbortProvoker.DEFAULT_ITERATIONS),
88                Long.toString(testDelay)
89        );
90
91        outputAnalyzer.shouldHaveExitValue(0);
92
93        int deopts = RTMTestBase.firedRTMStateChangeTraps(logFileName);
94
95        if (deoptExpected) {
96            Asserts.assertGT(deopts, 0, "At least one deoptimization due to "
97                    + "rtm_state_chage is expected");
98        } else {
99            Asserts.assertEQ(deopts, 0, "No deoptimizations due to "
100                    + "rtm_state_chage are expected");
101        }
102    }
103
104    public static void main(String args[]) throws Throwable {
105        new TestRTMLockingCalculationDelay().runTestCases();
106    }
107}
108