Mercurial > hg > graal-compiler
view test/gc/metaspace/TestMetaspaceSizeFlags.java @ 21597:c0f9aa6dc4cd
Introduce StackStoreOp.
author | Josef Eisl <josef.eisl@jku.at> |
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date | Thu, 28 May 2015 13:06:01 +0200 |
parents | 9e11762cee52 |
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 com.oracle.java.testlibrary.Asserts; import com.oracle.java.testlibrary.OutputAnalyzer; import com.oracle.java.testlibrary.ProcessTools; /* * @test TestMetaspaceSizeFlags * @key gc * @bug 8024650 * @summary Test that metaspace size flags can be set correctly * @library /testlibrary */ public class TestMetaspaceSizeFlags { public static final long K = 1024L; public static final long M = 1024L * K; // HotSpot uses a number of different values to align memory size flags. // This is currently the largest alignment (unless huge large pages are used). public static final long MAX_ALIGNMENT = 32 * M; public static void main(String [] args) throws Exception { testMaxMetaspaceSizeEQMetaspaceSize(MAX_ALIGNMENT, MAX_ALIGNMENT); // 8024650: MaxMetaspaceSize was adjusted instead of MetaspaceSize. testMaxMetaspaceSizeLTMetaspaceSize(MAX_ALIGNMENT, MAX_ALIGNMENT * 2); testMaxMetaspaceSizeGTMetaspaceSize(MAX_ALIGNMENT * 2, MAX_ALIGNMENT); testTooSmallInitialMetaspace(0, 0); testTooSmallInitialMetaspace(0, MAX_ALIGNMENT); testTooSmallInitialMetaspace(MAX_ALIGNMENT, 0); } private static void testMaxMetaspaceSizeEQMetaspaceSize(long maxMetaspaceSize, long metaspaceSize) throws Exception { MetaspaceFlags mf = runAndGetValue(maxMetaspaceSize, metaspaceSize); Asserts.assertEQ(maxMetaspaceSize, metaspaceSize); Asserts.assertEQ(mf.maxMetaspaceSize, maxMetaspaceSize); Asserts.assertEQ(mf.metaspaceSize, metaspaceSize); } private static void testMaxMetaspaceSizeLTMetaspaceSize(long maxMetaspaceSize, long metaspaceSize) throws Exception { MetaspaceFlags mf = runAndGetValue(maxMetaspaceSize, metaspaceSize); Asserts.assertEQ(mf.maxMetaspaceSize, maxMetaspaceSize); Asserts.assertEQ(mf.metaspaceSize, maxMetaspaceSize); } private static void testMaxMetaspaceSizeGTMetaspaceSize(long maxMetaspaceSize, long metaspaceSize) throws Exception { MetaspaceFlags mf = runAndGetValue(maxMetaspaceSize, metaspaceSize); Asserts.assertGT(maxMetaspaceSize, metaspaceSize); Asserts.assertGT(mf.maxMetaspaceSize, mf.metaspaceSize); Asserts.assertEQ(mf.maxMetaspaceSize, maxMetaspaceSize); Asserts.assertEQ(mf.metaspaceSize, metaspaceSize); } private static void testTooSmallInitialMetaspace(long maxMetaspaceSize, long metaspaceSize) throws Exception { OutputAnalyzer output = run(maxMetaspaceSize, metaspaceSize); output.shouldContain("Too small initial Metaspace size"); } private static MetaspaceFlags runAndGetValue(long maxMetaspaceSize, long metaspaceSize) throws Exception { OutputAnalyzer output = run(maxMetaspaceSize, metaspaceSize); output.shouldNotMatch("Error occurred during initialization of VM\n.*"); String stringMaxMetaspaceSize = output.firstMatch(".* MaxMetaspaceSize .* := (\\d+).*", 1); String stringMetaspaceSize = output.firstMatch(".* MetaspaceSize .* := (\\d+).*", 1); return new MetaspaceFlags(Long.parseLong(stringMaxMetaspaceSize), Long.parseLong(stringMetaspaceSize)); } private static OutputAnalyzer run(long maxMetaspaceSize, long metaspaceSize) throws Exception { ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( "-XX:MaxMetaspaceSize=" + maxMetaspaceSize, "-XX:MetaspaceSize=" + metaspaceSize, "-XX:-UseLargePages", // Prevent us from using 2GB large pages on solaris + sparc. "-XX:+PrintFlagsFinal", "-version"); return new OutputAnalyzer(pb.start()); } private static class MetaspaceFlags { public long maxMetaspaceSize; public long metaspaceSize; public MetaspaceFlags(long maxMetaspaceSize, long metaspaceSize) { this.maxMetaspaceSize = maxMetaspaceSize; this.metaspaceSize = metaspaceSize; } } }