Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: test/compiler/whitebox/ClearMethodStateTest.java
test/compiler/whitebox/ClearMethodStateTest.java
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| 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 */ | |
| 23 | |
| 24 import java.util.function.Function; | |
| 25 | |
| 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 { | |
| 37 | |
| 38 public static void main(String[] args) throws Exception { | |
| 39 CompilerWhiteBoxTest.main(ClearMethodStateTest::new, args); | |
| 40 } | |
| 41 | |
| 42 private ClearMethodStateTest(TestCase testCase) { | |
| 43 super(testCase); | |
| 44 // to prevent inlining of #method | |
| 45 WHITE_BOX.testSetDontInlineMethod(method, true); | |
| 46 } | |
| 47 | |
| 48 | |
| 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(); | |
| 65 | |
| 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(); | |
| 74 | |
| 75 deoptimize(); | |
| 76 checkNotCompiled(); | |
| 77 WHITE_BOX.clearMethodState(method); | |
| 78 | |
| 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 } | |
| 86 | |
| 87 compile(1); | |
| 88 checkCompiled(); | |
| 89 } else { | |
| 90 System.err.println( | |
| 91 "Warning: part of test is not applicable in Tiered"); | |
| 92 } | |
| 93 } | |
| 94 } |
