1 /* 2 * Copyright (c) 2013, 2015, 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 import compiler.whitebox.CompilerWhiteBoxTest; 27 28 /* 29 * @test ClearMethodStateTest 30 * @bug 8006683 8007288 8022832 31 * @library /testlibrary /test/lib / 32 * @modules java.base/jdk.internal.misc 33 * @modules java.management 34 * @build ClearMethodStateTest 35 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 36 * sun.hotspot.WhiteBox$WhiteBoxPermission 37 * @run main/othervm -Xbootclasspath/a:. -Xmixed -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:+PrintCompilation -XX:-UseCounterDecay ClearMethodStateTest 38 * @summary testing of WB::clearMethodState() 39 * @author igor.ignatyev@oracle.com 40 */ 41 public class ClearMethodStateTest extends CompilerWhiteBoxTest { 42 43 public static void main(String[] args) throws Exception { 44 String directive = 45 "[{ match:\"*SimpleTestCaseHelper.*\", BackgroundCompilation: false }, " + 46 " { match:\"*.*\", inline:\"-*SimpleTestCaseHelper.*\"}]"; 47 if (WHITE_BOX.addCompilerDirective(directive) != 2) { 48 throw new RuntimeException("Could not add directive"); 49 } 50 try { 51 CompilerWhiteBoxTest.main(ClearMethodStateTest::new, args); 52 } finally { 53 WHITE_BOX.removeCompilerDirective(2); 54 } 55 } 56 57 private ClearMethodStateTest(TestCase testCase) { 58 super(testCase); 59 // to prevent inlining of #method 60 WHITE_BOX.testSetDontInlineMethod(method, true); 61 } 62 63 64 /** 65 * Tests {@code WB::clearMethodState()} by calling it before/after 66 * compilation. For non-tiered, checks that counters will be rested after 67 * clearing of method state. 68 * 69 * @throws Exception if one of the checks fails. 70 */ 71 @Override 72 protected void test() throws Exception { 73 74 checkNotCompiled(); 75 compile(); 76 WHITE_BOX.clearMethodState(method); 77 checkCompiled(); 78 WHITE_BOX.clearMethodState(method); 79 deoptimize(); 80 checkNotCompiled(); 81 82 if (testCase.isOsr()) { 83 // part test isn't applicable for OSR test case 84 return; 85 } 86 if (!TIERED_COMPILATION) { 87 WHITE_BOX.clearMethodState(method); 88 compile(COMPILE_THRESHOLD); 89 checkCompiled(); 90 91 deoptimize(); 92 checkNotCompiled(); 93 WHITE_BOX.clearMethodState(method); 94 95 // invoke method one less time than needed to compile 96 if (COMPILE_THRESHOLD > 1) { 97 compile(COMPILE_THRESHOLD - 1); 98 checkNotCompiled(); 99 } else { 100 System.err.println("Warning: 'CompileThreshold' <= 1"); 101 } 102 103 compile(1); 104 checkCompiled(); 105 } else { 106 System.err.println( 107 "Warning: part of test is not applicable in Tiered"); 108 } 109 } 110 }