1 /* 2 * Copyright (c) 2014, 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 /* 25 * @test LockCompilationTest 26 * @bug 8059624 8152169 27 * @summary testing of WB::lock/unlockCompilation() 28 * @library /testlibrary /test/lib / 29 * @modules java.base/jdk.internal.misc 30 * java.management 31 * @build compiler.whitebox.LockCompilationTest 32 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 33 * sun.hotspot.WhiteBox$WhiteBoxPermission 34 * @run main/othervm -Xbootclasspath/a:. -Xmixed -XX:+UnlockDiagnosticVMOptions 35 * -XX:+WhiteBoxAPI -XX:-UseCounterDecay 36 * compiler.whitebox.LockCompilationTest 37 */ 38 39 package compiler.whitebox; 40 41 import jdk.test.lib.Asserts; 42 43 public class LockCompilationTest extends CompilerWhiteBoxTest { 44 45 public static void main(String[] args) throws Exception { 46 // This case waits for 5 seconds and verifies that the method hasn't been 47 // compiled during that time. Only do that for one of the test cases. 48 49 // Only compile SimpleTestCaseHelper.method and exclude all other to ensure no 50 // contention on the compile queue causes problems. 51 String directive = 52 "[{ match:\"*SimpleTestCaseHelper.method\", Exclude:false}, " + 53 " { match:\"*.*\", Exclude:true}]"; 54 if (WHITE_BOX.addCompilerDirective(directive) != 2) { 55 throw new RuntimeException("Could not add directive"); 56 } 57 try { 58 CompilerWhiteBoxTest.main(LockCompilationTest::new, new String[] {"METHOD_TEST"}); 59 } finally { 60 WHITE_BOX.removeCompilerDirective(2); 61 } 62 63 } 64 65 private LockCompilationTest(TestCase testCase) { 66 super(testCase); 67 // to prevent inlining of #method 68 WHITE_BOX.testSetDontInlineMethod(method, true); 69 } 70 71 protected void test() throws Exception { 72 checkNotCompiled(); 73 74 System.out.println("locking compilation"); 75 WHITE_BOX.lockCompilation(); 76 77 try { 78 System.out.println("trying to compile"); 79 compile(); 80 // to check if it works correctly w/ safepoints 81 System.out.println("going to safepoint"); 82 WHITE_BOX.fullGC(); 83 // Sleep a while and then make sure the compile is still waiting 84 Thread.sleep(5000); 85 86 Asserts.assertTrue( 87 WHITE_BOX.isMethodQueuedForCompilation(method), 88 method + " must be in queue"); 89 Asserts.assertFalse( 90 WHITE_BOX.isMethodCompiled(method, false), 91 method + " must be not compiled"); 92 Asserts.assertEQ( 93 WHITE_BOX.getMethodCompilationLevel(method, false), 0, 94 method + " comp_level must be == 0"); 95 Asserts.assertFalse( 96 WHITE_BOX.isMethodCompiled(method, true), 97 method + " must be not osr_compiled"); 98 Asserts.assertEQ( 99 WHITE_BOX.getMethodCompilationLevel(method, true), 0, 100 method + " osr_comp_level must be == 0"); 101 } finally { 102 System.out.println("unlocking compilation"); 103 WHITE_BOX.unlockCompilation(); 104 } 105 waitBackgroundCompilation(); 106 Asserts.assertFalse( 107 WHITE_BOX.isMethodQueuedForCompilation(method), 108 method + " must not be in queue"); 109 } 110 } 111