1 /* 2 * Copyright (c) 2018, 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 static jdk.test.lib.Asserts.*; 25 import gc.testlibrary.PerfCounter; 26 import gc.testlibrary.PerfCounters; 27 28 29 /* @test TestPolicyNamePerfCounter 30 * @bug 8210192 31 * @requires vm.gc=="null" 32 * @library /test/lib / 33 * @summary Tests that sun.gc.policy.name returns expected values for different GCs. 34 * @modules java.base/jdk.internal.misc 35 * java.compiler 36 * java.management/sun.management 37 * jdk.internal.jvmstat/sun.jvmstat.monitor 38 * @run main/othervm -XX:+UsePerfData -XX:+UseSerialGC TestPolicyNamePerfCounter Copy:MSC 39 * @run main/othervm -XX:+UsePerfData -XX:+UseParallelGC TestPolicyNamePerfCounter ParScav:MSC 40 * @run main/othervm -XX:+UsePerfData -XX:+UseG1GC TestPolicyNamePerfCounter GarbageFirst 41 */ 42 43 /* @test TestPolicyNamePerfCounterCMS 44 * @bug 8210192 45 * @comment Graal does not support CMS 46 * @requires vm.gc=="null" & !vm.graal.enabled 47 * @library /test/lib / 48 * @summary Tests that sun.gc.policy.name returns expected values for different GCs. 49 * @modules java.base/jdk.internal.misc 50 * java.compiler 51 * java.management/sun.management 52 * jdk.internal.jvmstat/sun.jvmstat.monitor 53 * @run main/othervm -XX:+UsePerfData -XX:+UseConcMarkSweepGC TestPolicyNamePerfCounter ParNew:CMS 54 */ 55 56 public class TestPolicyNamePerfCounter { 57 public static void main(String[] args) throws Exception { 58 if (args.length != 1) { 59 throw new IllegalArgumentException("Expected 1 arg: <expectedName>"); 60 } 61 assertEQ(PerfCounters.findByName("sun.gc.policy.name").value(), args[0]); 62 } 63 }