Wed, 27 Apr 2016 01:25:04 +0800
Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/
changeset: 6782:28b50d07f6f8
tag: jdk8u25-b17
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 | /* |
aoqi@0 | 25 | * @test |
aoqi@0 | 26 | * @bug 8024927 |
aoqi@0 | 27 | * @summary Testing address of compressed class pointer space as best as possible. |
aoqi@0 | 28 | * @library /testlibrary |
aoqi@0 | 29 | */ |
aoqi@0 | 30 | |
aoqi@0 | 31 | import com.oracle.java.testlibrary.*; |
aoqi@0 | 32 | |
aoqi@0 | 33 | public class CompressedClassPointers { |
aoqi@0 | 34 | |
aoqi@0 | 35 | public static void smallHeapTest() throws Exception { |
aoqi@0 | 36 | ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( |
aoqi@0 | 37 | "-XX:+UnlockDiagnosticVMOptions", |
aoqi@0 | 38 | "-XX:SharedBaseAddress=8g", |
aoqi@0 | 39 | "-Xmx128m", |
aoqi@0 | 40 | "-XX:+PrintCompressedOopsMode", |
aoqi@0 | 41 | "-XX:+VerifyBeforeGC", "-version"); |
aoqi@0 | 42 | OutputAnalyzer output = new OutputAnalyzer(pb.start()); |
aoqi@0 | 43 | output.shouldContain("Narrow klass base: 0x0000000000000000"); |
aoqi@0 | 44 | output.shouldHaveExitValue(0); |
aoqi@0 | 45 | } |
aoqi@0 | 46 | |
aoqi@0 | 47 | public static void smallHeapTestWith3G() throws Exception { |
aoqi@0 | 48 | ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( |
aoqi@0 | 49 | "-XX:+UnlockDiagnosticVMOptions", |
aoqi@0 | 50 | "-XX:CompressedClassSpaceSize=3g", |
aoqi@0 | 51 | "-Xmx128m", |
aoqi@0 | 52 | "-XX:+PrintCompressedOopsMode", |
aoqi@0 | 53 | "-XX:+VerifyBeforeGC", "-version"); |
aoqi@0 | 54 | OutputAnalyzer output = new OutputAnalyzer(pb.start()); |
aoqi@0 | 55 | output.shouldContain("Narrow klass base: 0x0000000000000000, Narrow klass shift: 3"); |
aoqi@0 | 56 | output.shouldHaveExitValue(0); |
aoqi@0 | 57 | } |
aoqi@0 | 58 | |
aoqi@0 | 59 | public static void largeHeapTest() throws Exception { |
aoqi@0 | 60 | ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( |
aoqi@0 | 61 | "-XX:+UnlockDiagnosticVMOptions", |
aoqi@0 | 62 | "-Xmx30g", |
aoqi@0 | 63 | "-XX:+PrintCompressedOopsMode", |
aoqi@0 | 64 | "-XX:+VerifyBeforeGC", "-version"); |
aoqi@0 | 65 | OutputAnalyzer output = new OutputAnalyzer(pb.start()); |
aoqi@0 | 66 | output.shouldNotContain("Narrow klass base: 0x0000000000000000"); |
aoqi@0 | 67 | output.shouldContain("Narrow klass shift: 0"); |
aoqi@0 | 68 | output.shouldHaveExitValue(0); |
aoqi@0 | 69 | } |
aoqi@0 | 70 | |
aoqi@0 | 71 | public static void largePagesTest() throws Exception { |
aoqi@0 | 72 | ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( |
aoqi@0 | 73 | "-XX:+UnlockDiagnosticVMOptions", |
aoqi@0 | 74 | "-Xmx128m", |
aoqi@0 | 75 | "-XX:+UseLargePages", |
aoqi@0 | 76 | "-XX:+PrintCompressedOopsMode", |
aoqi@0 | 77 | "-XX:+VerifyBeforeGC", "-version"); |
aoqi@0 | 78 | OutputAnalyzer output = new OutputAnalyzer(pb.start()); |
aoqi@0 | 79 | output.shouldContain("Narrow klass base:"); |
aoqi@0 | 80 | output.shouldHaveExitValue(0); |
aoqi@0 | 81 | } |
aoqi@0 | 82 | |
aoqi@0 | 83 | public static void sharingTest() throws Exception { |
aoqi@0 | 84 | // Test small heaps |
aoqi@0 | 85 | ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( |
aoqi@0 | 86 | "-XX:+UnlockDiagnosticVMOptions", |
aoqi@0 | 87 | "-XX:SharedArchiveFile=./sample.jsa", |
aoqi@0 | 88 | "-Xmx128m", |
aoqi@0 | 89 | "-XX:SharedBaseAddress=8g", |
aoqi@0 | 90 | "-XX:+PrintCompressedOopsMode", |
aoqi@0 | 91 | "-XX:+VerifyBeforeGC", |
aoqi@0 | 92 | "-Xshare:dump"); |
aoqi@0 | 93 | OutputAnalyzer output = new OutputAnalyzer(pb.start()); |
aoqi@0 | 94 | try { |
aoqi@0 | 95 | output.shouldContain("Loading classes to share"); |
aoqi@0 | 96 | output.shouldHaveExitValue(0); |
aoqi@0 | 97 | |
aoqi@0 | 98 | pb = ProcessTools.createJavaProcessBuilder( |
aoqi@0 | 99 | "-XX:+UnlockDiagnosticVMOptions", |
aoqi@0 | 100 | "-XX:SharedArchiveFile=./sample.jsa", |
aoqi@0 | 101 | "-Xmx128m", |
aoqi@0 | 102 | "-XX:SharedBaseAddress=8g", |
aoqi@0 | 103 | "-XX:+PrintCompressedOopsMode", |
aoqi@0 | 104 | "-Xshare:on", |
aoqi@0 | 105 | "-version"); |
aoqi@0 | 106 | output = new OutputAnalyzer(pb.start()); |
aoqi@0 | 107 | output.shouldContain("sharing"); |
aoqi@0 | 108 | output.shouldHaveExitValue(0); |
aoqi@0 | 109 | |
aoqi@0 | 110 | } catch (RuntimeException e) { |
aoqi@0 | 111 | output.shouldContain("Unable to use shared archive"); |
aoqi@0 | 112 | output.shouldHaveExitValue(1); |
aoqi@0 | 113 | } |
aoqi@0 | 114 | } |
aoqi@0 | 115 | |
aoqi@0 | 116 | public static void main(String[] args) throws Exception { |
aoqi@0 | 117 | if (!Platform.is64bit()) { |
aoqi@0 | 118 | // Can't test this on 32 bit, just pass |
aoqi@0 | 119 | System.out.println("Skipping test on 32bit"); |
aoqi@0 | 120 | return; |
aoqi@0 | 121 | } |
aoqi@0 | 122 | // Solaris 10 can't mmap compressed oops space without a base |
aoqi@0 | 123 | if (Platform.isSolaris()) { |
aoqi@0 | 124 | String name = System.getProperty("os.version"); |
aoqi@0 | 125 | if (name.equals("5.10")) { |
aoqi@0 | 126 | System.out.println("Skipping test on Solaris 10"); |
aoqi@0 | 127 | return; |
aoqi@0 | 128 | } |
aoqi@0 | 129 | } |
aoqi@0 | 130 | smallHeapTest(); |
aoqi@0 | 131 | smallHeapTestWith3G(); |
aoqi@0 | 132 | largeHeapTest(); |
aoqi@0 | 133 | largePagesTest(); |
aoqi@0 | 134 | sharingTest(); |
aoqi@0 | 135 | } |
aoqi@0 | 136 | } |