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comparison test/compiler/rtm/method_options/TestNoRTMLockElidingOption.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 NoRTMLockEliding option could be applied to
29 * specified method and that such method will not use rtm.
30 * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
31 * @build TestNoRTMLockElidingOption
32 * @run main ClassFileInstaller sun.hotspot.WhiteBox
33 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
34 * -XX:+WhiteBoxAPI TestNoRTMLockElidingOption
35 */
36
37 import java.util.List;
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 method tagged with option <i>NoRTMLockElidingOption</i>
47 * will not use RTM-based lock elision.
48 * Test invokes compiled method and checks that no deoptimization with
49 * <i>rtm_state_change</i> reason had happened and that that VM output
50 * does not contain RTM locking statistics for compiled method.
51 */
52 public class TestNoRTMLockElidingOption extends CommandLineOptionTest {
53 private TestNoRTMLockElidingOption() {
54 super(new AndPredicate(new SupportedCPU(), new SupportedVM()));
55 }
56
57 @Override
58 public void runTestCases() throws Throwable {
59 verifyOption(false);
60 verifyOption(true);
61 }
62
63 public void verifyOption(boolean useStackLock) throws Throwable {
64 AbortProvoker provoker = AbortType.XABORT.provoker();
65 String logFileName = String.format("rtm_deopt_%s_stack_lock.xml",
66 (useStackLock ? "use" : "no"));
67 String methodOption = String.format("-XX:CompileCommand=option," +
68 "%s,NoRTMLockEliding", provoker.getMethodWithLockName());
69
70 OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
71 logFileName,
72 provoker,
73 CommandLineOptionTest.prepareBooleanFlag("UseRTMForStackLocks",
74 useStackLock),
75 methodOption,
76 "-XX:RTMTotalCountIncrRate=1",
77 "-XX:+UseRTMDeopt",
78 "-XX:+PrintPreciseRTMLockingStatistics",
79 AbortProvoker.class.getName(),
80 AbortType.XABORT.toString(),
81 Boolean.toString(!useStackLock)
82 );
83
84 outputAnalyzer.shouldHaveExitValue(0);
85
86 int firedTraps = RTMTestBase.firedRTMStateChangeTraps(logFileName);
87
88 Asserts.assertEQ(firedTraps, 0,
89 "No deoptimizations with rtm_state_change reason are expected");
90
91 List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString(
92 provoker.getMethodWithLockName(), outputAnalyzer.getOutput());
93
94 Asserts.assertEQ(statistics.size(), 0,
95 "VM output should not contain RTM locking statistics entries "
96 + "for method " + provoker.getMethodWithLockName());
97 }
98
99 public static void main(String args[]) throws Throwable {
100 new TestNoRTMLockElidingOption().test();
101 }
102 }