| /* |
| * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test LockCompilationTest |
| * @bug 8059624 8152169 |
| * @summary testing of WB::lock/unlockCompilation() |
| * @library /test/lib / |
| * @modules java.base/jdk.internal.misc |
| * java.management |
| * @build sun.hotspot.WhiteBox |
| * @run driver ClassFileInstaller sun.hotspot.WhiteBox |
| * sun.hotspot.WhiteBox$WhiteBoxPermission |
| * @run main/othervm -Xbootclasspath/a:. -Xmixed -XX:+UnlockDiagnosticVMOptions |
| * -XX:+WhiteBoxAPI -XX:-UseCounterDecay |
| * compiler.whitebox.LockCompilationTest |
| */ |
| |
| package compiler.whitebox; |
| |
| import jdk.test.lib.Asserts; |
| |
| public class LockCompilationTest extends CompilerWhiteBoxTest { |
| |
| public static void main(String[] args) throws Exception { |
| // This case waits for 5 seconds and verifies that the method hasn't been |
| // compiled during that time. Only do that for one of the test cases. |
| |
| // Only compile SimpleTestCaseHelper.method and exclude all other to ensure no |
| // contention on the compile queue causes problems. |
| String directive = |
| "[{ match:\"*SimpleTestCaseHelper.method\", Exclude:false}, " + |
| " { match:\"*.*\", Exclude:true}]"; |
| if (WHITE_BOX.addCompilerDirective(directive) != 2) { |
| throw new RuntimeException("Could not add directive"); |
| } |
| try { |
| CompilerWhiteBoxTest.main(LockCompilationTest::new, new String[] {"METHOD_TEST"}); |
| } finally { |
| WHITE_BOX.removeCompilerDirective(2); |
| } |
| |
| } |
| |
| private LockCompilationTest(TestCase testCase) { |
| super(testCase); |
| // to prevent inlining of #method |
| WHITE_BOX.testSetDontInlineMethod(method, true); |
| } |
| |
| protected void test() throws Exception { |
| checkNotCompiled(); |
| |
| System.out.println("locking compilation"); |
| WHITE_BOX.lockCompilation(); |
| |
| try { |
| System.out.println("trying to compile"); |
| compile(); |
| // to check if it works correctly w/ safepoints |
| System.out.println("going to safepoint"); |
| WHITE_BOX.fullGC(); |
| // Sleep a while and then make sure the compile is still waiting |
| Thread.sleep(5000); |
| |
| Asserts.assertTrue( |
| WHITE_BOX.isMethodQueuedForCompilation(method), |
| method + " must be in queue"); |
| Asserts.assertFalse( |
| WHITE_BOX.isMethodCompiled(method, false), |
| method + " must be not compiled"); |
| Asserts.assertEQ( |
| WHITE_BOX.getMethodCompilationLevel(method, false), 0, |
| method + " comp_level must be == 0"); |
| Asserts.assertFalse( |
| WHITE_BOX.isMethodCompiled(method, true), |
| method + " must be not osr_compiled"); |
| Asserts.assertEQ( |
| WHITE_BOX.getMethodCompilationLevel(method, true), 0, |
| method + " osr_comp_level must be == 0"); |
| } finally { |
| System.out.println("unlocking compilation"); |
| WHITE_BOX.unlockCompilation(); |
| } |
| waitBackgroundCompilation(); |
| Asserts.assertFalse( |
| WHITE_BOX.isMethodQueuedForCompilation(method), |
| method + " must not be in queue"); |
| } |
| } |
| |