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annotate test/compiler/rtm/cli/TestUseRTMDeoptOptionOnSupportedConfig.java @ 20374:999824269b71

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8055069: TSX and RTM should be deprecated more strongly until hardware is corrected Summary: Require to specify UnlockExperimentalVMOptions flag together with UseRTMLocking flag on un-patched systems where CPUID allows it but is unsupported otherwise. Reviewed-by: iveresov, fzhinkin
author kvn
date Fri, 22 Aug 2014 12:03:49 -0700
parents cabe05c85665
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 UseRTMDeopt option processing on CPUs with rtm support
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29 * when rtm locking is supported by VM.
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30 * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
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31 * @build TestUseRTMDeoptOptionOnSupportedConfig
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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 TestUseRTMDeoptOptionOnSupportedConfig
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35 */
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36
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37 import com.oracle.java.testlibrary.ExitCode;
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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.predicate.SupportedCPU;
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41 import rtm.predicate.SupportedVM;
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42
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43 public class TestUseRTMDeoptOptionOnSupportedConfig
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44 extends CommandLineOptionTest {
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45 private static final String DEFAULT_VALUE = "false";
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46
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47 private TestUseRTMDeoptOptionOnSupportedConfig() {
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48 super(new AndPredicate(new SupportedVM(), new SupportedCPU()));
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49 }
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50
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51 @Override
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52 public void runTestCases() throws Throwable {
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53 // verify that option could be turned on
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54 CommandLineOptionTest.verifySameJVMStartup(
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55 null, null, ExitCode.OK, "-XX:+UseRTMDeopt");
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56 // verify that option could be turned off
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57 CommandLineOptionTest.verifySameJVMStartup(
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58 null, null, ExitCode.OK, "-XX:-UseRTMDeopt");
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59 // verify default value
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60 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt",
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61 TestUseRTMDeoptOptionOnSupportedConfig.DEFAULT_VALUE);
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62 // verify default value
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63 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt",
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64 TestUseRTMDeoptOptionOnSupportedConfig.DEFAULT_VALUE,
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65 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
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66 "-XX:+UseRTMLocking");
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67 // verify that option is off when UseRTMLocking is off
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68 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt", "false",
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69 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
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70 "-XX:-UseRTMLocking", "-XX:+UseRTMDeopt");
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71 // verify that option could be turned on
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72 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt", "true",
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73 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
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74 "-XX:+UseRTMLocking", "-XX:+UseRTMDeopt");
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75 }
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76
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77 public static void main(String args[]) throws Throwable {
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78 new TestUseRTMDeoptOptionOnSupportedConfig().test();
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79 }
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80 }