jdk8-mips64-public/hotspot: test/compiler/whitebox/ClearMethodStateTest.java@710a3c8b516e

     1 /*

     2  * Copyright (c) 2013, 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  */

    24 import java.util.function.Function;

    26 /*

    27  * @test ClearMethodStateTest

    28  * @bug 8006683 8007288 8022832

    29  * @library /testlibrary /testlibrary/whitebox

    30  * @build ClearMethodStateTest

    31  * @run main ClassFileInstaller sun.hotspot.WhiteBox

    32  * @run main/othervm -Xbootclasspath/a:. -Xmixed -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:CompileCommand=compileonly,SimpleTestCase$Helper::* ClearMethodStateTest

    33  * @summary testing of WB::clearMethodState()

    34  * @author igor.ignatyev@oracle.com

    35  */

    36 public class ClearMethodStateTest extends CompilerWhiteBoxTest {

    38     public static void main(String[] args) throws Exception {

    39         CompilerWhiteBoxTest.main(ClearMethodStateTest::new, args);

    40     }

    42     private ClearMethodStateTest(TestCase testCase) {

    43         super(testCase);

    44         // to prevent inlining of #method

    45         WHITE_BOX.testSetDontInlineMethod(method, true);

    46     }

    49     /**

    50      * Tests {@code WB::clearMethodState()} by calling it before/after

    51      * compilation. For non-tiered, checks that counters will be rested after

    52      * clearing of method state.

    53      *

    54      * @throws Exception if one of the checks fails.

    55      */

    56     @Override

    57     protected void test() throws Exception {

    58         checkNotCompiled();

    59         compile();

    60         WHITE_BOX.clearMethodState(method);

    61         checkCompiled();

    62         WHITE_BOX.clearMethodState(method);

    63         deoptimize();

    64         checkNotCompiled();

    66         if (testCase.isOsr()) {

    67             // part test isn't applicable for OSR test case

    68             return;

    69         }

    70         if (!TIERED_COMPILATION) {

    71             WHITE_BOX.clearMethodState(method);

    72             compile(COMPILE_THRESHOLD);

    73             checkCompiled();

    75             deoptimize();

    76             checkNotCompiled();

    77             WHITE_BOX.clearMethodState(method);

    79             // invoke method one less time than needed to compile

    80             if (COMPILE_THRESHOLD > 1) {

    81                 compile(COMPILE_THRESHOLD - 1);

    82                 checkNotCompiled();

    83             } else {

    84                 System.err.println("Warning: 'CompileThreshold' <= 1");

    85             }

    87             compile(1);

    88             checkCompiled();

    89         } else {

    90             System.err.println(

    91                     "Warning: part of test is not applicable in Tiered");

    92         }

    93     }

    94 }

Mercurial > jdk8-mips64-public > hotspot / file revision

test/compiler/whitebox/ClearMethodStateTest.java@710a3c8b516e

test/compiler/whitebox/ClearMethodStateTest.java