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comparison test/compiler/rtm/locking/TestUseRTMXendForLockBusy.java @ 17873:ba8268c23fa2

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8037860: Add tests to cover Intel RTM instructions support Reviewed-by: kvn, iignatyev Contributed-by: filipp.zhinkin@oracle.com
author iignatyev
date Fri, 11 Apr 2014 00:35:23 +0400
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17872:100f2b109432 17873:ba8268c23fa2
1 /*
2 * Copyright (c) 2014, 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 /**
26 * @test
27 * @bug 8031320
28 * @summary Verify that UseRTMXendForLockBusy option affects
29 * method behaviour if lock is busy.
30 * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
31 * @build TestUseRTMXendForLockBusy
32 * @run main ClassFileInstaller sun.hotspot.WhiteBox
33 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
34 * -XX:+WhiteBoxAPI TestUseRTMXendForLockBusy
35 */
36
37 import java.util.List;
38
39 import com.oracle.java.testlibrary.*;
40 import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
41 import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
42 import rtm.*;
43 import rtm.predicate.SupportedCPU;
44 import rtm.predicate.SupportedVM;
45
46 /**
47 * Test verifies that with +UseRTMXendForLockBusy there will be no aborts
48 * forced by the test.
49 */
50 public class TestUseRTMXendForLockBusy extends CommandLineOptionTest {
51 private final static int LOCKING_TIME = 5000;
52
53 private TestUseRTMXendForLockBusy() {
54 super(new AndPredicate(new SupportedVM(), new SupportedCPU()));
55 }
56
57 @Override
58 protected void runTestCases() throws Throwable {
59 // inflated lock, xabort on lock busy
60 verifyXendForLockBusy(true, false);
61 // inflated lock, xend on lock busy
62 verifyXendForLockBusy(true, true);
63 // stack lock, xabort on lock busy
64 verifyXendForLockBusy(false, false);
65 // stack lock, xend on lock busy
66 verifyXendForLockBusy(false, true);
67 }
68
69 private void verifyXendForLockBusy(boolean inflateMonitor,
70 boolean useXend) throws Throwable {
71 CompilableTest test = new BusyLock();
72
73 OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
74 test,
75 CommandLineOptionTest.prepareBooleanFlag("UseRTMForStackLocks",
76 inflateMonitor),
77 CommandLineOptionTest.prepareBooleanFlag(
78 "UseRTMXendForLockBusy",
79 useXend),
80 "-XX:RTMRetryCount=0",
81 "-XX:RTMTotalCountIncrRate=1",
82 "-XX:+PrintPreciseRTMLockingStatistics",
83 BusyLock.class.getName(),
84 Boolean.toString(inflateMonitor),
85 Integer.toString(TestUseRTMXendForLockBusy.LOCKING_TIME)
86 );
87
88 outputAnalyzer.shouldHaveExitValue(0);
89
90 List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString(
91 test.getMethodWithLockName(), outputAnalyzer.getOutput());
92
93 Asserts.assertEQ(statistics.size(), 1, "VM output should contain "
94 + "exactly one rtm locking statistics entry for method "
95 + test.getMethodWithLockName());
96
97 long aborts = statistics.get(0).getAborts(AbortType.XABORT);
98
99 if (useXend) {
100 Asserts.assertEQ(aborts, 0L,
101 "Expected to get no aborts on busy lock");
102 } else {
103 Asserts.assertGT(aborts, 0L,
104 "Expected to get at least one abort on busy lock");
105 }
106 }
107
108 public static void main(String args[]) throws Throwable {
109 new TestUseRTMXendForLockBusy().test();
110 }
111 }