1 /* 2 * Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 import java.io.File; 24 import java.io.IOException; 25 26 /* 27 * @test 28 * @bug 6994753 7123582 29 * @summary tests -XshowSettings options 30 * @compile -XDignore.symbol.file Settings.java 31 * @run main Settings 32 * @author ksrini 33 */ 34 public class Settings extends TestHelper { 35 private static File testJar = null; 36 37 static void init() throws IOException { 38 if (testJar != null) { 39 return; 40 } 41 testJar = new File("test.jar"); 42 StringBuilder tsrc = new StringBuilder(); 43 tsrc.append("public static void main(String... args) {\n"); 44 tsrc.append(" for (String x : args) {\n"); 45 tsrc.append(" System.out.println(x);\n"); 46 tsrc.append(" }\n"); 47 tsrc.append("}\n"); 48 createJar(testJar, tsrc.toString()); 49 } 50 51 static void checkContains(TestResult tr, String str) { 52 if (!tr.contains(str)) { 53 System.out.println(tr); 54 throw new RuntimeException(str + " not found"); 55 } 56 } 57 58 static void checkNoContains(TestResult tr, String str) { 59 if (tr.contains(str)) { 60 System.out.println(tr.status); 61 throw new RuntimeException(str + " found"); 62 } 63 } 64 65 private static final String VM_SETTINGS = "VM settings:"; 66 private static final String PROP_SETTINGS = "Property settings:"; 67 private static final String LOCALE_SETTINGS = "Locale settings:"; 68 private static final String STACKSIZE_SETTINGS = "Stack Size:"; 69 private static final String SYSTEM_SETTINGS = "Operating System Metrics:"; 70 71 static void containsAllOptions(TestResult tr) { 72 checkContains(tr, VM_SETTINGS); 73 checkContains(tr, PROP_SETTINGS); 74 checkContains(tr, LOCALE_SETTINGS); 75 if (System.getProperty("os.name").contains("Linux")) { 76 checkContains(tr, SYSTEM_SETTINGS); 77 } 78 } 79 80 static void runTestOptionDefault() throws IOException { 81 String stackSize = "256"; // in kb 82 if (getArch().equals("ppc64") || getArch().equals("ppc64le")) { 83 stackSize = "800"; 84 } else if (getArch().equals("aarch64")) { 85 /* 86 * The max value of minimum stack size allowed for aarch64 can be estimated as 87 * such: suppose the vm page size is 64KB and the test runs with a debug build, 88 * the initial _java_thread_min_stack_allowed defined in os_linux_aarch64.cpp is 89 * 72K, stack guard zones could take 192KB, and the shadow zone needs 128KB, 90 * after aligning up all parts to the page size, the final size would be 448KB. 91 * See details in JDK-8163363 92 */ 93 stackSize = "448"; 94 } 95 TestResult tr = null; 96 tr = doExec(javaCmd, "-Xms64m", "-Xmx512m", 97 "-Xss" + stackSize + "k", "-XshowSettings", "-jar", testJar.getAbsolutePath()); 98 // Check the stack size logs printed by -XshowSettings to verify -Xss meaningfully. 99 checkContains(tr, STACKSIZE_SETTINGS); 100 containsAllOptions(tr); 101 if (!tr.isOK()) { 102 System.out.println(tr.status); 103 throw new RuntimeException("test fails"); 104 } 105 tr = doExec(javaCmd, "-Xms65536k", "-Xmx712m", 106 "-Xss" + stackSize + "000", "-XshowSettings", "-jar", testJar.getAbsolutePath()); 107 checkContains(tr, STACKSIZE_SETTINGS); 108 containsAllOptions(tr); 109 if (!tr.isOK()) { 110 System.out.println(tr.status); 111 throw new RuntimeException("test fails"); 112 } 113 } 114 115 static void runTestOptionSystem() throws IOException { 116 TestResult tr = doExec(javaCmd, "-XshowSettings:system"); 117 if (System.getProperty("os.name").contains("Linux")) { 118 checkNoContains(tr, VM_SETTINGS); 119 checkNoContains(tr, PROP_SETTINGS); 120 checkNoContains(tr, LOCALE_SETTINGS); 121 checkContains(tr, SYSTEM_SETTINGS); 122 } else { 123 // -XshowSettings prints all available settings when 124 // settings argument is not recognized. 125 containsAllOptions(tr); 126 } 127 } 128 129 static void runTestOptionAll() throws IOException { 130 init(); 131 TestResult tr = null; 132 tr = doExec(javaCmd, "-XshowSettings:all"); 133 containsAllOptions(tr); 134 } 135 136 static void runTestOptionVM() throws IOException { 137 TestResult tr = null; 138 tr = doExec(javaCmd, "-XshowSettings:vm"); 139 checkContains(tr, VM_SETTINGS); 140 checkNoContains(tr, PROP_SETTINGS); 141 checkNoContains(tr, LOCALE_SETTINGS); 142 } 143 144 static void runTestOptionProperty() throws IOException { 145 TestResult tr = null; 146 tr = doExec(javaCmd, "-XshowSettings:properties"); 147 checkNoContains(tr, VM_SETTINGS); 148 checkContains(tr, PROP_SETTINGS); 149 checkNoContains(tr, LOCALE_SETTINGS); 150 } 151 152 static void runTestOptionLocale() throws IOException { 153 TestResult tr = null; 154 tr = doExec(javaCmd, "-XshowSettings:locale"); 155 checkNoContains(tr, VM_SETTINGS); 156 checkNoContains(tr, PROP_SETTINGS); 157 checkContains(tr, LOCALE_SETTINGS); 158 } 159 160 static void runTestBadOptions() throws IOException { 161 TestResult tr = null; 162 tr = doExec(javaCmd, "-XshowSettingsBadOption"); 163 checkNoContains(tr, VM_SETTINGS); 164 checkNoContains(tr, PROP_SETTINGS); 165 checkNoContains(tr, LOCALE_SETTINGS); 166 checkContains(tr, "Unrecognized option: -XshowSettingsBadOption"); 167 } 168 169 static void runTest7123582() throws IOException { 170 TestResult tr = null; 171 tr = doExec(javaCmd, "-XshowSettings", "-version"); 172 if (!tr.isOK()) { 173 System.out.println(tr.status); 174 throw new RuntimeException("test fails"); 175 } 176 containsAllOptions(tr); 177 } 178 179 public static void main(String... args) { 180 try { 181 runTestOptionAll(); 182 runTestOptionDefault(); 183 runTestOptionVM(); 184 runTestOptionProperty(); 185 runTestOptionLocale(); 186 runTestOptionSystem(); 187 runTestBadOptions(); 188 runTest7123582(); 189 } catch (IOException ioe) { 190 throw new RuntimeException(ioe); 191 } 192 } 193 }