Mercurial > hg > truffle
comparison test/compiler/rtm/locking/TestRTMTotalCountIncrRate.java @ 17873:ba8268c23fa2
8037860: Add tests to cover Intel RTM instructions support
Reviewed-by: kvn, iignatyev
Contributed-by: filipp.zhinkin@oracle.com
author | iignatyev |
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date | Fri, 11 Apr 2014 00:35:23 +0400 |
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17872:100f2b109432 | 17873:ba8268c23fa2 |
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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 RTMTotalCountIncrRate option affects | |
29 * RTM locking statistics. | |
30 * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary | |
31 * @build TestRTMTotalCountIncrRate | |
32 * @run main ClassFileInstaller sun.hotspot.WhiteBox | |
33 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions | |
34 * -XX:+WhiteBoxAPI TestRTMTotalCountIncrRate | |
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 RTMTotalCountIncrRate=1 RTM locking statistics | |
48 * contains precise information abort attempted locks and that with other values | |
49 * statistics contains information abort non-zero locking attempts. | |
50 * Since assert done for RTMTotalCountIncrRate=1 is pretty strict, test uses | |
51 * -XX:RTMRetryCount=0 to avoid issue with retriable aborts. For more details on | |
52 * that issue see {@link TestUseRTMAfterLockInflation}. | |
53 */ | |
54 public class TestRTMTotalCountIncrRate extends CommandLineOptionTest { | |
55 private TestRTMTotalCountIncrRate() { | |
56 super(new AndPredicate(new SupportedCPU(), new SupportedVM())); | |
57 } | |
58 | |
59 @Override | |
60 protected void runTestCases() throws Throwable { | |
61 verifyLocksCount(1, false); | |
62 verifyLocksCount(64, false); | |
63 verifyLocksCount(128, false); | |
64 verifyLocksCount(1, true); | |
65 verifyLocksCount(64, true); | |
66 verifyLocksCount(128, true); | |
67 } | |
68 | |
69 private void verifyLocksCount(int incrRate, boolean useStackLock) | |
70 throws Throwable{ | |
71 CompilableTest test = new Test(); | |
72 | |
73 OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest( | |
74 test, | |
75 CommandLineOptionTest.prepareBooleanFlag("UseRTMForStackLocks", | |
76 useStackLock), | |
77 CommandLineOptionTest.prepareNumericFlag( | |
78 "RTMTotalCountIncrRate", incrRate), | |
79 "-XX:RTMRetryCount=0", | |
80 "-XX:+PrintPreciseRTMLockingStatistics", | |
81 Test.class.getName(), | |
82 Boolean.toString(!useStackLock) | |
83 ); | |
84 | |
85 outputAnalyzer.shouldHaveExitValue(0); | |
86 | |
87 List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString( | |
88 test.getMethodWithLockName(), outputAnalyzer.getOutput()); | |
89 | |
90 Asserts.assertEQ(statistics.size(), 1, "VM output should contain " | |
91 + "exactly one RTM locking statistics entry for method " | |
92 + test.getMethodWithLockName()); | |
93 | |
94 RTMLockingStatistics lock = statistics.get(0); | |
95 if (incrRate == 1) { | |
96 Asserts.assertEQ(lock.getTotalLocks(), Test.TOTAL_ITERATIONS, | |
97 "Total locks should be exactly the same as amount of " | |
98 + "iterations."); | |
99 } else { | |
100 Asserts.assertGT(lock.getTotalLocks(), 0L, "RTM statistics " | |
101 + "should contain information for at least on lock."); | |
102 } | |
103 } | |
104 | |
105 public static class Test implements CompilableTest { | |
106 private static final long TOTAL_ITERATIONS = 10000L; | |
107 private final Object monitor = new Object(); | |
108 // Following field have to be static in order to avoid escape analysis. | |
109 @SuppressWarnings("UnsuedDeclaration") | |
110 private static int field = 0; | |
111 | |
112 @Override | |
113 public String getMethodWithLockName() { | |
114 return this.getClass().getName() + "::lock"; | |
115 } | |
116 | |
117 @Override | |
118 public String[] getMethodsToCompileNames() { | |
119 return new String[] { | |
120 getMethodWithLockName() | |
121 }; | |
122 } | |
123 | |
124 public void lock() { | |
125 synchronized(monitor) { | |
126 Test.field++; | |
127 } | |
128 } | |
129 | |
130 /** | |
131 * Usage: | |
132 * Test <inflate monitor> | |
133 */ | |
134 public static void main(String args[]) throws Throwable { | |
135 Asserts.assertGTE(args.length, 1, "One argument required."); | |
136 Test test = new Test(); | |
137 | |
138 if (Boolean.valueOf(args[0])) { | |
139 AbortProvoker.inflateMonitor(test.monitor); | |
140 } | |
141 for (long i = 0L; i < Test.TOTAL_ITERATIONS; i++) { | |
142 test.lock(); | |
143 } | |
144 } | |
145 } | |
146 | |
147 public static void main(String args[]) throws Throwable { | |
148 new TestRTMTotalCountIncrRate().test(); | |
149 } | |
150 } |