1 /* 2 * Copyright (c) 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 26 * @bug 8136421 27 * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9" | os.simpleArch == "aarch64") 28 * @library / /testlibrary /test/lib/ 29 * @library ../common/patches 30 * @modules java.base/jdk.internal.misc 31 * @modules jdk.vm.ci/jdk.vm.ci.hotspot 32 * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper 33 * @build compiler.jvmci.compilerToVM.CollectCountersTest 34 * @run main/othervm -XX:+UnlockExperimentalVMOptions 35 * -XX:+EnableJVMCI 36 * -XX:JVMCICounterSize=0 37 * -Dcompiler.jvmci.compilerToVM.CollectCountersTest.expected=0 38 * compiler.jvmci.compilerToVM.CollectCountersTest 39 * @run main/othervm -XX:+UnlockExperimentalVMOptions 40 * -XX:+EnableJVMCI 41 * -XX:JVMCICounterSize=11 42 * -Dcompiler.jvmci.compilerToVM.CollectCountersTest.expected=11 43 * compiler.jvmci.compilerToVM.CollectCountersTest 44 */ 45 46 package compiler.jvmci.compilerToVM; 47 48 import jdk.vm.ci.hotspot.CompilerToVMHelper; 49 import jdk.test.lib.Asserts; 50 51 public class CollectCountersTest { 52 private static final int EXPECTED = Integer.getInteger( 53 "compiler.jvmci.compilerToVM.CollectCountersTest.expected"); 54 public static void main(String args[]) { 55 new CollectCountersTest().runTest(); 56 } 57 58 private void runTest() { 59 long[] counters = CompilerToVMHelper.collectCounters(); 60 Asserts.assertNotNull(counters, "Expected not-null counters array"); 61 int ctvmData = counters.length; 62 Asserts.assertEQ(EXPECTED, ctvmData, "Unexpected counters amount"); 63 } 64 }