Mercurial > hg > truffle
comparison test/compiler/rtm/locking/TestUseRTMAfterLockInflation.java @ 17873:ba8268c23fa2
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 |
parents | |
children |
comparison
equal
deleted
inserted
replaced
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 rtm locking is used for stack locks before | |
29 * inflation and after it used for inflated locks. | |
30 * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary | |
31 * @build TestUseRTMAfterLockInflation | |
32 * @run main ClassFileInstaller sun.hotspot.WhiteBox | |
33 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions | |
34 * -XX:+WhiteBoxAPI TestUseRTMAfterLockInflation | |
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 RTM is used after lock inflation by executing compiled | |
48 * method with RTM-based lock elision using stack lock first, then that lock | |
49 * is inflated and the same compiled method invoked again. | |
50 * | |
51 * Compiled method invoked {@code AbortProvoker.DEFAULT_ITERATIONS} times before | |
52 * lock inflation and the same amount of times after inflation. | |
53 * As a result total locks count should be equal to | |
54 * {@code 2*AbortProvoker.DEFAULT_ITERATIONS}. | |
55 * It is a pretty strict assertion which could fail if some retriable abort | |
56 * happened: it could be {@code AbortType.RETRIABLE} or | |
57 * {@code AbortType.MEM_CONFLICT}, but unfortunately abort can has both these | |
58 * reasons simultaneously. In order to avoid false negative failures related | |
59 * to incorrect aborts counting, -XX:RTMRetryCount=0 is used. | |
60 */ | |
61 public class TestUseRTMAfterLockInflation extends CommandLineOptionTest { | |
62 private static final long EXPECTED_LOCKS | |
63 = 2L * AbortProvoker.DEFAULT_ITERATIONS; | |
64 | |
65 private TestUseRTMAfterLockInflation() { | |
66 super(new AndPredicate(new SupportedVM(), new SupportedCPU())); | |
67 } | |
68 | |
69 @Override | |
70 protected void runTestCases() throws Throwable { | |
71 AbortProvoker provoker = AbortType.XABORT.provoker(); | |
72 long totalLocksCount = 0; | |
73 | |
74 OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest( | |
75 provoker, | |
76 "-XX:+UseRTMForStackLocks", | |
77 "-XX:RTMTotalCountIncrRate=1", | |
78 "-XX:RTMRetryCount=0", | |
79 "-XX:+PrintPreciseRTMLockingStatistics", | |
80 Test.class.getName(), | |
81 AbortType.XABORT.toString()); | |
82 | |
83 outputAnalyzer.shouldHaveExitValue(0); | |
84 | |
85 List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString( | |
86 provoker.getMethodWithLockName(), outputAnalyzer.getOutput()); | |
87 | |
88 Asserts.assertEQ(statistics.size(), 2, | |
89 "VM output should contain two rtm locking statistics entries " | |
90 + "for method " + provoker.getMethodWithLockName()); | |
91 | |
92 for (RTMLockingStatistics s : statistics) { | |
93 totalLocksCount += s.getTotalLocks(); | |
94 } | |
95 | |
96 Asserts.assertEQ(totalLocksCount, | |
97 TestUseRTMAfterLockInflation.EXPECTED_LOCKS, | |
98 "Total lock count should be greater or equal to " | |
99 + TestUseRTMAfterLockInflation.EXPECTED_LOCKS); | |
100 } | |
101 | |
102 public static class Test { | |
103 | |
104 /** | |
105 * Usage: | |
106 * Test <provoker type> | |
107 */ | |
108 public static void main(String args[]) throws Throwable { | |
109 Asserts.assertGT(args.length, 0, | |
110 "AbortType name is expected as first argument."); | |
111 | |
112 AbortProvoker provoker | |
113 = AbortType.lookup(Integer.valueOf(args[0])).provoker(); | |
114 for (int i = 0; i < AbortProvoker.DEFAULT_ITERATIONS; i++) { | |
115 provoker.forceAbort(); | |
116 } | |
117 provoker.inflateMonitor(); | |
118 for (int i = 0; i < AbortProvoker.DEFAULT_ITERATIONS; i++) { | |
119 provoker.forceAbort(); | |
120 } | |
121 } | |
122 } | |
123 | |
124 public static void main(String args[]) throws Throwable { | |
125 new TestUseRTMAfterLockInflation().test(); | |
126 } | |
127 } |