| /* |
| * Copyright (c) 2015, 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 |
| * @bug 8136421 |
| * @requires vm.jvmci |
| * @library / /test/lib/ |
| * @library ../common/patches |
| * @modules java.base/jdk.internal.misc |
| * @modules jdk.vm.ci/jdk.vm.ci.hotspot |
| * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper sun.hotspot.WhiteBox |
| * @run main/othervm -XX:+UnlockExperimentalVMOptions |
| * -XX:+EnableJVMCI |
| * -XX:JVMCICounterSize=0 |
| * -Dcompiler.jvmci.compilerToVM.CollectCountersTest.expected=0 |
| * compiler.jvmci.compilerToVM.CollectCountersTest |
| * @run main/othervm -XX:+UnlockExperimentalVMOptions |
| * -XX:+EnableJVMCI |
| * -XX:JVMCICounterSize=11 |
| * -Dcompiler.jvmci.compilerToVM.CollectCountersTest.expected=11 |
| * compiler.jvmci.compilerToVM.CollectCountersTest |
| */ |
| |
| package compiler.jvmci.compilerToVM; |
| |
| import jdk.test.lib.Asserts; |
| import jdk.vm.ci.hotspot.CompilerToVMHelper; |
| |
| public class CollectCountersTest { |
| private static final int EXPECTED = Integer.getInteger( |
| "compiler.jvmci.compilerToVM.CollectCountersTest.expected"); |
| public static void main(String args[]) { |
| new CollectCountersTest().runTest(); |
| } |
| |
| private void runTest() { |
| long[] counters = CompilerToVMHelper.collectCounters(); |
| Asserts.assertNotNull(counters, "Expected not-null counters array"); |
| int ctvmData = counters.length; |
| Asserts.assertEQ(EXPECTED, ctvmData, "Unexpected counters amount"); |
| } |
| } |