Mercurial > hg > truffle
view test/gc/metaspace/TestMetaspacePerfCounters.java @ 20091:1bc27c390bce
add InlineIntrinsicsDuringParsing option with a default value of true
author | Doug Simon <doug.simon@oracle.com> |
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date | Mon, 30 Mar 2015 17:51:05 +0200 |
parents | 73d0d0218068 |
children |
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/* * Copyright (c) 2013, 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 java.util.List; import java.util.ArrayList; import com.oracle.java.testlibrary.*; import static com.oracle.java.testlibrary.Asserts.*; /* @test TestMetaspacePerfCounters * @bug 8014659 * @library /testlibrary * @summary Tests that performance counters for metaspace and compressed class * space exists and works. * * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-UseCompressedOops -XX:-UseCompressedClassPointers -XX:+UsePerfData -XX:+UseSerialGC TestMetaspacePerfCounters * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-UseCompressedOops -XX:-UseCompressedClassPointers -XX:+UsePerfData -XX:+UseParallelGC -XX:+UseParallelOldGC TestMetaspacePerfCounters * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-UseCompressedOops -XX:-UseCompressedClassPointers -XX:+UsePerfData -XX:+UseG1GC TestMetaspacePerfCounters * * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCompressedOops -XX:+UseCompressedClassPointers -XX:+UsePerfData -XX:+UseSerialGC TestMetaspacePerfCounters * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCompressedOops -XX:+UseCompressedClassPointers -XX:+UsePerfData -XX:+UseParallelGC -XX:+UseParallelOldGC TestMetaspacePerfCounters * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCompressedOops -XX:+UseCompressedClassPointers -XX:+UsePerfData -XX:+UseG1GC TestMetaspacePerfCounters */ public class TestMetaspacePerfCounters { public static Class fooClass = null; private static final String[] counterNames = {"minCapacity", "maxCapacity", "capacity", "used"}; public static void main(String[] args) throws Exception { String metaspace = "sun.gc.metaspace"; String ccs = "sun.gc.compressedclassspace"; checkPerfCounters(metaspace); if (isUsingCompressedClassPointers()) { checkPerfCounters(ccs); checkUsedIncreasesWhenLoadingClass(ccs); } else { checkEmptyPerfCounters(ccs); checkUsedIncreasesWhenLoadingClass(metaspace); } } private static void checkPerfCounters(String ns) throws Exception { long minCapacity = getMinCapacity(ns); long maxCapacity = getMaxCapacity(ns); long capacity = getCapacity(ns); long used = getUsed(ns); assertGTE(minCapacity, 0L); assertGTE(used, minCapacity); assertGTE(capacity, used); assertGTE(maxCapacity, capacity); } private static void checkEmptyPerfCounters(String ns) throws Exception { for (PerfCounter counter : countersInNamespace(ns)) { String msg = "Expected " + counter.getName() + " to equal 0"; assertEQ(counter.longValue(), 0L, msg); } } private static void checkUsedIncreasesWhenLoadingClass(String ns) throws Exception { long before = getUsed(ns); fooClass = compileAndLoad("Foo", "public class Foo { }"); System.gc(); long after = getUsed(ns); assertGT(after, before); } private static List<PerfCounter> countersInNamespace(String ns) throws Exception { List<PerfCounter> counters = new ArrayList<>(); for (String name : counterNames) { counters.add(PerfCounters.findByName(ns + "." + name)); } return counters; } private static Class<?> compileAndLoad(String name, String source) throws Exception { byte[] byteCode = InMemoryJavaCompiler.compile(name, source); return ByteCodeLoader.load(name, byteCode); } private static boolean isUsingCompressedClassPointers() { return Platform.is64bit() && InputArguments.contains("-XX:+UseCompressedClassPointers"); } private static long getMinCapacity(String ns) throws Exception { return PerfCounters.findByName(ns + ".minCapacity").longValue(); } private static long getCapacity(String ns) throws Exception { return PerfCounters.findByName(ns + ".capacity").longValue(); } private static long getMaxCapacity(String ns) throws Exception { return PerfCounters.findByName(ns + ".maxCapacity").longValue(); } private static long getUsed(String ns) throws Exception { return PerfCounters.findByName(ns + ".used").longValue(); } }