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annotate test/compiler/rtm/locking/TestUseRTMDeopt.java @ 21192:4c7c22aa4bd7

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LinearScan: add more information to assertion.
author Josef Eisl <josef.eisl@jku.at>
date Wed, 22 Apr 2015 10:50:36 +0200
parents ba8268c23fa2
children
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1 /*
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2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 /**
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26 * @test
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27 * @bug 8031320
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28 * @summary Verify that UseRTMDeopt affects uncommon trap installation in
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29 * copmpiled methods with synchronized block.
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30 * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
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31 * @build TestUseRTMDeopt
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32 * @run main ClassFileInstaller sun.hotspot.WhiteBox
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33 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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34 * -XX:+WhiteBoxAPI TestUseRTMDeopt
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35 */
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36
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37 import com.oracle.java.testlibrary.*;
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38 import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
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39 import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
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40 import rtm.*;
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41 import rtm.predicate.SupportedCPU;
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42 import rtm.predicate.SupportedVM;
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43
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44 /**
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45 * Test verifies that usage of UseRTMDeopt option affects uncommon traps usage
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46 * for methods that use locking.
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47 */
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48 public class TestUseRTMDeopt extends CommandLineOptionTest {
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49 private TestUseRTMDeopt() {
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50 super(new AndPredicate(new SupportedVM(), new SupportedCPU()));
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51 }
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52
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53 @Override
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54 protected void runTestCases() throws Throwable {
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55 verifyUseRTMDeopt(false);
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56 verifyUseRTMDeopt(true);
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57 }
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58
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59 private void verifyUseRTMDeopt(boolean useRTMDeopt) throws Throwable {
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60 AbortProvoker provoker = AbortType.XABORT.provoker();
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61 String logFileName = String.format("rtm_%s_deopt.xml",
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62 useRTMDeopt ? "use" : "no");
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63
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64 OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
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65 logFileName,
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66 provoker,
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67 CommandLineOptionTest.prepareBooleanFlag("UseRTMDeopt",
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68 useRTMDeopt),
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69 AbortProvoker.class.getName(),
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70 AbortType.XABORT.toString()
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71 );
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72
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73 outputAnalyzer.shouldHaveExitValue(0);
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74
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75 int expectedUncommonTraps = useRTMDeopt ? 1 : 0;
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76 int installedUncommonTraps
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77 = RTMTestBase.installedRTMStateChangeTraps(logFileName);
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78
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79 Asserts.assertEQ(expectedUncommonTraps, installedUncommonTraps,
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80 String.format("Expected to find %d uncommon traps "
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81 + "installed with reason rtm_state_change.",
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82 expectedUncommonTraps));
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83 }
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84
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85 public static void main(String args[]) throws Throwable {
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86 new TestUseRTMDeopt().test();
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87 }
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88 }