Tue, 28 Jan 2014 14:56:01 -0800
Added tag jdk8u5-b06 for changeset 956c0e048ef2
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | */ |
aoqi@0 | 23 | |
aoqi@0 | 24 | import com.oracle.java.testlibrary.Asserts; |
aoqi@0 | 25 | import com.oracle.java.testlibrary.OutputAnalyzer; |
aoqi@0 | 26 | import com.oracle.java.testlibrary.ProcessTools; |
aoqi@0 | 27 | |
aoqi@0 | 28 | /* |
aoqi@0 | 29 | * @test TestMetaspaceSizeFlags |
aoqi@0 | 30 | * @key gc |
aoqi@0 | 31 | * @bug 8024650 |
aoqi@0 | 32 | * @summary Test that metaspace size flags can be set correctly |
aoqi@0 | 33 | * @library /testlibrary |
aoqi@0 | 34 | */ |
aoqi@0 | 35 | public class TestMetaspaceSizeFlags { |
aoqi@0 | 36 | public static final long K = 1024L; |
aoqi@0 | 37 | public static final long M = 1024L * K; |
aoqi@0 | 38 | |
aoqi@0 | 39 | // HotSpot uses a number of different values to align memory size flags. |
aoqi@0 | 40 | // This is currently the largest alignment (unless huge large pages are used). |
aoqi@0 | 41 | public static final long MAX_ALIGNMENT = 32 * M; |
aoqi@0 | 42 | |
aoqi@0 | 43 | public static void main(String [] args) throws Exception { |
aoqi@0 | 44 | testMaxMetaspaceSizeEQMetaspaceSize(MAX_ALIGNMENT, MAX_ALIGNMENT); |
aoqi@0 | 45 | // 8024650: MaxMetaspaceSize was adjusted instead of MetaspaceSize. |
aoqi@0 | 46 | testMaxMetaspaceSizeLTMetaspaceSize(MAX_ALIGNMENT, MAX_ALIGNMENT * 2); |
aoqi@0 | 47 | testMaxMetaspaceSizeGTMetaspaceSize(MAX_ALIGNMENT * 2, MAX_ALIGNMENT); |
aoqi@0 | 48 | testTooSmallInitialMetaspace(0, 0); |
aoqi@0 | 49 | testTooSmallInitialMetaspace(0, MAX_ALIGNMENT); |
aoqi@0 | 50 | testTooSmallInitialMetaspace(MAX_ALIGNMENT, 0); |
aoqi@0 | 51 | } |
aoqi@0 | 52 | |
aoqi@0 | 53 | private static void testMaxMetaspaceSizeEQMetaspaceSize(long maxMetaspaceSize, long metaspaceSize) throws Exception { |
aoqi@0 | 54 | MetaspaceFlags mf = runAndGetValue(maxMetaspaceSize, metaspaceSize); |
aoqi@0 | 55 | Asserts.assertEQ(maxMetaspaceSize, metaspaceSize); |
aoqi@0 | 56 | Asserts.assertEQ(mf.maxMetaspaceSize, maxMetaspaceSize); |
aoqi@0 | 57 | Asserts.assertEQ(mf.metaspaceSize, metaspaceSize); |
aoqi@0 | 58 | } |
aoqi@0 | 59 | |
aoqi@0 | 60 | private static void testMaxMetaspaceSizeLTMetaspaceSize(long maxMetaspaceSize, long metaspaceSize) throws Exception { |
aoqi@0 | 61 | MetaspaceFlags mf = runAndGetValue(maxMetaspaceSize, metaspaceSize); |
aoqi@0 | 62 | Asserts.assertEQ(mf.maxMetaspaceSize, maxMetaspaceSize); |
aoqi@0 | 63 | Asserts.assertEQ(mf.metaspaceSize, maxMetaspaceSize); |
aoqi@0 | 64 | } |
aoqi@0 | 65 | |
aoqi@0 | 66 | private static void testMaxMetaspaceSizeGTMetaspaceSize(long maxMetaspaceSize, long metaspaceSize) throws Exception { |
aoqi@0 | 67 | MetaspaceFlags mf = runAndGetValue(maxMetaspaceSize, metaspaceSize); |
aoqi@0 | 68 | Asserts.assertGT(maxMetaspaceSize, metaspaceSize); |
aoqi@0 | 69 | Asserts.assertGT(mf.maxMetaspaceSize, mf.metaspaceSize); |
aoqi@0 | 70 | Asserts.assertEQ(mf.maxMetaspaceSize, maxMetaspaceSize); |
aoqi@0 | 71 | Asserts.assertEQ(mf.metaspaceSize, metaspaceSize); |
aoqi@0 | 72 | } |
aoqi@0 | 73 | |
aoqi@0 | 74 | private static void testTooSmallInitialMetaspace(long maxMetaspaceSize, long metaspaceSize) throws Exception { |
aoqi@0 | 75 | OutputAnalyzer output = run(maxMetaspaceSize, metaspaceSize); |
aoqi@0 | 76 | output.shouldContain("Too small initial Metaspace size"); |
aoqi@0 | 77 | } |
aoqi@0 | 78 | |
aoqi@0 | 79 | private static MetaspaceFlags runAndGetValue(long maxMetaspaceSize, long metaspaceSize) throws Exception { |
aoqi@0 | 80 | OutputAnalyzer output = run(maxMetaspaceSize, metaspaceSize); |
aoqi@0 | 81 | output.shouldNotMatch("Error occurred during initialization of VM\n.*"); |
aoqi@0 | 82 | |
aoqi@0 | 83 | String stringMaxMetaspaceSize = output.firstMatch(".* MaxMetaspaceSize .* := (\\d+).*", 1); |
aoqi@0 | 84 | String stringMetaspaceSize = output.firstMatch(".* MetaspaceSize .* := (\\d+).*", 1); |
aoqi@0 | 85 | |
aoqi@0 | 86 | return new MetaspaceFlags(Long.parseLong(stringMaxMetaspaceSize), |
aoqi@0 | 87 | Long.parseLong(stringMetaspaceSize)); |
aoqi@0 | 88 | } |
aoqi@0 | 89 | |
aoqi@0 | 90 | private static OutputAnalyzer run(long maxMetaspaceSize, long metaspaceSize) throws Exception { |
aoqi@0 | 91 | ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( |
aoqi@0 | 92 | "-XX:MaxMetaspaceSize=" + maxMetaspaceSize, |
aoqi@0 | 93 | "-XX:MetaspaceSize=" + metaspaceSize, |
aoqi@0 | 94 | "-XX:-UseLargePages", // Prevent us from using 2GB large pages on solaris + sparc. |
aoqi@0 | 95 | "-XX:+PrintFlagsFinal", |
aoqi@0 | 96 | "-version"); |
aoqi@0 | 97 | return new OutputAnalyzer(pb.start()); |
aoqi@0 | 98 | } |
aoqi@0 | 99 | |
aoqi@0 | 100 | private static class MetaspaceFlags { |
aoqi@0 | 101 | public long maxMetaspaceSize; |
aoqi@0 | 102 | public long metaspaceSize; |
aoqi@0 | 103 | public MetaspaceFlags(long maxMetaspaceSize, long metaspaceSize) { |
aoqi@0 | 104 | this.maxMetaspaceSize = maxMetaspaceSize; |
aoqi@0 | 105 | this.metaspaceSize = metaspaceSize; |
aoqi@0 | 106 | } |
aoqi@0 | 107 | } |
aoqi@0 | 108 | } |