--- /dev/null 2018-08-08 10:38:02.066704901 -0700 +++ new/test/hotspot/jtreg/gc/TestPolicyNamePerfCounter.java 2018-08-31 15:03:09.503275126 -0700 @@ -0,0 +1,63 @@ +/* + * Copyright (c) 2018, 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. + */ + +import static jdk.test.lib.Asserts.*; +import gc.testlibrary.PerfCounter; +import gc.testlibrary.PerfCounters; + + +/* @test TestPolicyNamePerfCounter + * @bug 8210192 + * @requires vm.gc=="null" + * @library /test/lib / + * @summary Tests that sun.gc.policy.name returns expected values for different GCs. + * @modules java.base/jdk.internal.misc + * java.compiler + * java.management/sun.management + * jdk.internal.jvmstat/sun.jvmstat.monitor + * @run main/othervm -XX:+UsePerfData -XX:+UseSerialGC TestPolicyNamePerfCounter Copy:MSC + * @run main/othervm -XX:+UsePerfData -XX:+UseParallelGC TestPolicyNamePerfCounter ParScav:MSC + * @run main/othervm -XX:+UsePerfData -XX:+UseG1GC TestPolicyNamePerfCounter GarbageFirst + */ + +/* @test TestPolicyNamePerfCounterCMS + * @bug 8210192 + * @comment Graal does not support CMS + * @requires vm.gc=="null" & !vm.graal.enabled + * @library /test/lib / + * @summary Tests that sun.gc.policy.name returns expected values for different GCs. + * @modules java.base/jdk.internal.misc + * java.compiler + * java.management/sun.management + * jdk.internal.jvmstat/sun.jvmstat.monitor + * @run main/othervm -XX:+UsePerfData -XX:+UseConcMarkSweepGC TestPolicyNamePerfCounter ParNew:CMS + */ + +public class TestPolicyNamePerfCounter { + public static void main(String[] args) throws Exception { + if (args.length != 1) { + throw new IllegalArgumentException("Expected 1 arg: "); + } + assertEQ(PerfCounters.findByName("sun.gc.policy.name").value(), args[0]); + } +}