Mercurial > hg > truffle
comparison test/compiler/rtm/locking/TestRTMRetryCount.java @ 18058:54bc75c144b0
Merge
author | asaha |
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date | Thu, 29 May 2014 13:14:25 -0700 |
parents | ba8268c23fa2 |
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18055:1fa005fb28f5 | 18058:54bc75c144b0 |
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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 RTMRetryCount affects actual amount of retries. | |
29 * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary | |
30 * @build TestRTMRetryCount | |
31 * @run main ClassFileInstaller sun.hotspot.WhiteBox | |
32 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions | |
33 * -XX:+WhiteBoxAPI TestRTMRetryCount | |
34 */ | |
35 | |
36 import java.util.List; | |
37 | |
38 import com.oracle.java.testlibrary.*; | |
39 import com.oracle.java.testlibrary.cli.CommandLineOptionTest; | |
40 import com.oracle.java.testlibrary.cli.predicate.AndPredicate; | |
41 import rtm.*; | |
42 import rtm.predicate.SupportedCPU; | |
43 import rtm.predicate.SupportedVM; | |
44 | |
45 /** | |
46 * Test verifies that RTMRetryCount option actually affects amount of | |
47 * retries on lock busy. | |
48 */ | |
49 public class TestRTMRetryCount extends CommandLineOptionTest { | |
50 /** | |
51 * Time in ms, during which busy lock will be locked. | |
52 */ | |
53 private static final int LOCKING_TIME = 5000; | |
54 private static final boolean INFLATE_MONITOR = true; | |
55 | |
56 private TestRTMRetryCount() { | |
57 super(new AndPredicate(new SupportedCPU(), new SupportedVM())); | |
58 } | |
59 | |
60 @Override | |
61 protected void runTestCases() throws Throwable { | |
62 verifyRTMRetryCount(0); | |
63 verifyRTMRetryCount(1); | |
64 verifyRTMRetryCount(5); | |
65 verifyRTMRetryCount(10); | |
66 } | |
67 | |
68 private void verifyRTMRetryCount(int retryCount) throws Throwable { | |
69 CompilableTest busyLock = new BusyLock(); | |
70 long expectedAborts = retryCount + 1L; | |
71 | |
72 OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest( | |
73 busyLock, | |
74 "-XX:-UseRTMXendForLockBusy", | |
75 "-XX:RTMTotalCountIncrRate=1", | |
76 CommandLineOptionTest.prepareNumericFlag("RTMRetryCount", | |
77 retryCount), | |
78 "-XX:RTMTotalCountIncrRate=1", | |
79 "-XX:+PrintPreciseRTMLockingStatistics", | |
80 BusyLock.class.getName(), | |
81 Boolean.toString(TestRTMRetryCount.INFLATE_MONITOR), | |
82 Integer.toString(TestRTMRetryCount.LOCKING_TIME) | |
83 ); | |
84 | |
85 outputAnalyzer.shouldHaveExitValue(0); | |
86 | |
87 List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString( | |
88 busyLock.getMethodWithLockName(), outputAnalyzer.getStdout()); | |
89 | |
90 Asserts.assertEQ(statistics.size(), 1, "VM output should contain " | |
91 + "exactly one rtm locking statistics entry for method " | |
92 + busyLock.getMethodWithLockName()); | |
93 | |
94 Asserts.assertEQ(statistics.get(0).getTotalAborts(), expectedAborts, | |
95 String.format("It is expected to get %d aborts", | |
96 expectedAborts)); | |
97 } | |
98 | |
99 public static void main(String args[]) throws Throwable { | |
100 new TestRTMRetryCount().test(); | |
101 } | |
102 } |