1 /* 2 * Copyright (c) 2020, Red Hat, Inc. 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 24 /* 25 * @test 26 * @summary Test for Magic.sizeOf with 32-bit compressed oops 27 * @library /test/lib 28 * 29 * @build jdk.test.whitebox.WhiteBox 30 * @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox 31 * 32 * @run main/othervm -Xmx128m 33 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:. 34 * -Xint 35 * SizeOf 36 * 37 * @run main/othervm -Xmx128m 38 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:. 39 * -XX:TieredStopAtLevel=1 40 * SizeOf 41 * 42 * @run main/othervm -Xmx128m 43 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:. 44 * -XX:-TieredCompilation 45 * SizeOf 46 */ 47 48 /* 49 * @test 50 * @summary Test for Magic.sizeOf with zero-based compressed oops 51 * @library /test/lib 52 * @requires vm.bits == 64 53 * 54 * @build jdk.test.whitebox.WhiteBox 55 * @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox 56 * 57 * @run main/othervm -Xmx4g 58 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:. 59 * -Xint 60 * SizeOf 61 * 62 * @run main/othervm -Xmx4g 63 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:. 64 * -XX:TieredStopAtLevel=1 65 * SizeOf 66 * 67 * @run main/othervm -Xmx4g 68 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:. 69 * -XX:-TieredCompilation 70 * SizeOf 71 */ 72 73 /* 74 * @test 75 * @summary Test for Magic.sizeOf without compressed oops 76 * @library /test/lib 77 * @requires vm.bits == 64 78 * 79 * @build jdk.test.whitebox.WhiteBox 80 * @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox 81 * 82 * @run main/othervm -Xmx128m -XX:-UseCompressedOops 83 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:. 84 * -Xint 85 * SizeOf 86 * 87 * @run main/othervm -Xmx128m -XX:-UseCompressedOops 88 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:. 89 * -XX:TieredStopAtLevel=1 90 * SizeOf 91 * 92 * @run main/othervm -Xmx128m -XX:-UseCompressedOops 93 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:. 94 * -XX:-TieredCompilation 95 * SizeOf 96 */ 97 98 /* 99 * @test 100 * @summary Test for Magic.sizeOf with 32-bit compressed oops 101 * @library /test/lib 102 * @requires vm.debug 103 * 104 * @build jdk.test.whitebox.WhiteBox 105 * @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox 106 * 107 * @run main/othervm -Xmx128m 108 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:. 109 * -XX:FastAllocateSizeLimit=0 110 * -Xint 111 * SizeOf 112 * 113 * @run main/othervm -Xmx128m 114 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:. 115 * -XX:FastAllocateSizeLimit=0 116 * -XX:TieredStopAtLevel=1 117 * SizeOf 118 * 119 * @run main/othervm -Xmx128m 120 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:. 121 * -XX:FastAllocateSizeLimit=0 122 * -XX:-TieredCompilation 123 * SizeOf 124 */ 125 126 /* 127 * @test 128 * @summary Test for Magic.sizeOf with zero-based compressed oops 129 * @library /test/lib 130 * @requires vm.bits == 64 131 * @requires vm.debug 132 * 133 * @build jdk.test.whitebox.WhiteBox 134 * @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox 135 * 136 * @run main/othervm -Xmx4g 137 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:. 138 * -XX:FastAllocateSizeLimit=0 139 * -Xint 140 * SizeOf 141 * 142 * @run main/othervm -Xmx4g 143 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:. 144 * -XX:FastAllocateSizeLimit=0 145 * -XX:TieredStopAtLevel=1 146 * SizeOf 147 * 148 * @run main/othervm -Xmx4g 149 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:. 150 * -XX:FastAllocateSizeLimit=0 151 * -XX:-TieredCompilation 152 * SizeOf 153 */ 154 155 /* 156 * @test 157 * @summary Test for Magic.sizeOf without compressed oops 158 * @library /test/lib 159 * @requires vm.bits == 64 160 * @requires vm.debug 161 * 162 * @build jdk.test.whitebox.WhiteBox 163 * @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox 164 * 165 * @run main/othervm -Xmx128m -XX:-UseCompressedOops 166 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:. 167 * -XX:FastAllocateSizeLimit=0 168 * -Xint 169 * SizeOf 170 * 171 * @run main/othervm -Xmx128m -XX:-UseCompressedOops 172 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:. 173 * -XX:FastAllocateSizeLimit=0 174 * -XX:TieredStopAtLevel=1 175 * SizeOf 176 * 177 * @run main/othervm -Xmx128m -XX:-UseCompressedOops 178 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:. 179 * -XX:FastAllocateSizeLimit=0 180 * -XX:-TieredCompilation 181 * SizeOf 182 */ 183 184 /* 185 * @test 186 * @summary Test for Magic.sizeOf with 32-bit compressed oops 187 * @library /test/lib 188 * @requires vm.bits == 64 189 * @requires vm.debug 190 * 191 * @build jdk.test.whitebox.WhiteBox 192 * @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox 193 * 194 * @run main/othervm -Xmx128m 195 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:. 196 * -XX:ObjectAlignmentInBytes=32 197 * -Xint 198 * SizeOf 199 * 200 * @run main/othervm -Xmx128m 201 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:. 202 * -XX:ObjectAlignmentInBytes=32 203 * -XX:TieredStopAtLevel=1 204 * SizeOf 205 * 206 * @run main/othervm -Xmx128m 207 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:. 208 * -XX:ObjectAlignmentInBytes=32 209 * -XX:-TieredCompilation 210 * SizeOf 211 */ 212 213 /* 214 * @test 215 * @summary Test for Magic.sizeOf with zero-based compressed oops 216 * @library /test/lib 217 * @requires vm.bits == 64 218 * @requires vm.debug 219 * 220 * @build jdk.test.whitebox.WhiteBox 221 * @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox 222 * 223 * @run main/othervm -Xmx4g 224 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:. 225 * -XX:ObjectAlignmentInBytes=32 226 * -Xint 227 * SizeOf 228 * 229 * @run main/othervm -Xmx4g 230 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:. 231 * -XX:ObjectAlignmentInBytes=32 232 * -XX:TieredStopAtLevel=1 233 * SizeOf 234 * 235 * @run main/othervm -Xmx4g 236 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:. 237 * -XX:ObjectAlignmentInBytes=32 238 * -XX:-TieredCompilation 239 * SizeOf 240 */ 241 242 import jdk.test.lib.Platform; 243 import jdk.test.whitebox.WhiteBox; 244 245 import net.shipilev.Magic; 246 247 public class SizeOf { 248 249 static final Boolean compressedOops = WhiteBox.getWhiteBox().getBooleanVMFlag("UseCompressedOops"); 250 static final int R = ((compressedOops == null) || (compressedOops == true)) ? 4 : 8; 251 252 static final Long align = WhiteBox.getWhiteBox().getIntVMFlag("ObjectAlignmentInBytes"); 253 static final int A = (align == null ? 8 : align.intValue()); 254 255 public static void main(String ... args) { 256 testSize_newObject(); 257 testSize_localObject(); 258 testSize_fieldObject(); 259 260 testSize_newSmallByteArray(); 261 testSize_localSmallByteArray(); 262 testSize_fieldSmallByteArray(); 263 264 testSize_newSmallObjArray(); 265 testSize_localSmallObjArray(); 266 testSize_fieldSmallObjArray(); 267 268 testNulls(); 269 } 270 271 private static int roundUp(int v, int a) { 272 return (v + a - 1) / a * a; 273 } 274 275 private static void testSize_newObject() { 276 int expected = roundUp(Platform.is64bit() ? 16 : 8, A); 277 for (int c = 0; c < MagicUtil.ITERS; c++) { 278 MagicUtil.assertEquals(expected, Magic.sizeOf(new Object())); 279 } 280 } 281 282 private static void testSize_localObject() { 283 int expected = roundUp(Platform.is64bit() ? 16 : 8, A); 284 Object o = new Object(); 285 for (int c = 0; c < MagicUtil.ITERS; c++) { 286 MagicUtil.assertEquals(expected, Magic.sizeOf(o)); 287 } 288 } 289 290 static Object staticO = new Object(); 291 292 private static void testSize_fieldObject() { 293 int expected = roundUp(Platform.is64bit() ? 16 : 8, A); 294 for (int c = 0; c < MagicUtil.ITERS; c++) { 295 MagicUtil.assertEquals(expected, Magic.sizeOf(staticO)); 296 } 297 } 298 299 private static void testSize_newSmallByteArray() { 300 int expected = roundUp(1024 + 16, A); 301 for (int c = 0; c < MagicUtil.ITERS; c++) { 302 MagicUtil.assertEquals(expected, Magic.sizeOf(new byte[1024])); 303 } 304 } 305 306 private static void testSize_localSmallByteArray() { 307 byte[] arr = new byte[1024]; 308 int expected = roundUp(arr.length + 16, A); 309 for (int c = 0; c < MagicUtil.ITERS; c++) { 310 MagicUtil.assertEquals(expected, Magic.sizeOf(arr)); 311 } 312 } 313 314 static byte[] smallArr = new byte[1024]; 315 316 private static void testSize_fieldSmallByteArray() { 317 int expected = roundUp(smallArr.length + 16, A); 318 for (int c = 0; c < MagicUtil.ITERS; c++) { 319 MagicUtil.assertEquals(expected, Magic.sizeOf(smallArr)); 320 } 321 } 322 323 private static void testSize_newSmallObjArray() { 324 int expected = roundUp(1024*R + 16, A); 325 for (int c = 0; c < MagicUtil.ITERS; c++) { 326 MagicUtil.assertEquals(expected, Magic.sizeOf(new Object[1024])); 327 } 328 } 329 330 private static void testSize_localSmallObjArray() { 331 Object[] arr = new Object[1024]; 332 int expected = roundUp(arr.length*R + 16, A); 333 for (int c = 0; c < MagicUtil.ITERS; c++) { 334 MagicUtil.assertEquals(expected, Magic.sizeOf(arr)); 335 } 336 } 337 338 static Object[] smallObjArr = new Object[1024]; 339 340 private static void testSize_fieldSmallObjArray() { 341 int expected = roundUp(smallArr.length*R + 16, A); 342 for (int c = 0; c < MagicUtil.ITERS; c++) { 343 MagicUtil.assertEquals(expected, Magic.sizeOf(smallObjArr)); 344 } 345 } 346 347 private static void testNulls() { 348 for (int c = 0; c < MagicUtil.ITERS; c++) { 349 try { 350 Magic.sizeOf(null); 351 MagicUtil.assertFail(); 352 } catch (NullPointerException e) { 353 // expected 354 } 355 } 356 } 357 358 }