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annotate test/compiler/rtm/cli/TestUseRTMLockingOptionWithBiasedLocking.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 processing of UseRTMLocking and UseBiasedLocking
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29 * options combination on CPU and VM with rtm support.
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30 * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
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31 * @build TestUseRTMLockingOptionWithBiasedLocking
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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 TestUseRTMLockingOptionWithBiasedLocking
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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.*;
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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 TestUseRTMLockingOptionWithBiasedLocking
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44 extends CommandLineOptionTest {
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45 private TestUseRTMLockingOptionWithBiasedLocking() {
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46 super(new AndPredicate(new SupportedCPU(), new SupportedVM()));
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47 }
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48
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49 @Override
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50 public void runTestCases() throws Throwable {
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51 String warningMessage
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52 = RTMGenericCommandLineOptionTest.RTM_BIASED_LOCKING_WARNING;
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53 // verify that we will not get a warning
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54 CommandLineOptionTest.verifySameJVMStartup(null,
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55 new String[] { warningMessage }, ExitCode.OK,
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56 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
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57 "-XX:+UseRTMLocking", "-XX:-UseBiasedLocking");
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58 // verify that we will get a warning
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59 CommandLineOptionTest.verifySameJVMStartup(
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60 new String[] { warningMessage }, null, ExitCode.OK,
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61 CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
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62 "-XX:+UseRTMLocking", "-XX:+UseBiasedLocking");
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63 // verify that UseBiasedLocking is false when we use rtm locking
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64 CommandLineOptionTest.verifyOptionValueForSameVM("UseBiasedLocking",
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65 "false", CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
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66 "-XX:+UseRTMLocking");
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67 // verify that we can't turn on biased locking when
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68 // using rtm locking
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69 CommandLineOptionTest.verifyOptionValueForSameVM("UseBiasedLocking",
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70 "false", CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,
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71 "-XX:+UseRTMLocking", "-XX:+UseBiasedLocking");
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72 }
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73
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74 public static void main(String args[]) throws Throwable {
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75 new TestUseRTMLockingOptionWithBiasedLocking().test();
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76 }
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77 }