1 /* 2 * Copyright (c) 2011, 2015, 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 */ 24 25 #include "precompiled.hpp" 26 #include "classfile/classLoaderStats.hpp" 27 #include "classfile/compactHashtable.hpp" 28 #include "gc_implementation/shared/vmGCOperations.hpp" 29 #include "oops/oop.inline.hpp" 30 #include "runtime/javaCalls.hpp" 31 #include "runtime/os.hpp" 32 #include "services/diagnosticArgument.hpp" 33 #include "services/diagnosticCommand.hpp" 34 #include "services/diagnosticFramework.hpp" 35 #include "services/heapDumper.hpp" 36 #include "services/management.hpp" 37 #include "utilities/macros.hpp" 38 39 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC 40 41 void DCmdRegistrant::register_dcmds(){ 42 // Registration of the diagnostic commands 43 // First argument specifies which interfaces will export the command 44 // Second argument specifies if the command is enabled 45 // Third argument specifies if the command is hidden 46 uint32_t full_export = DCmd_Source_Internal | DCmd_Source_AttachAPI 47 | DCmd_Source_MBean; 48 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HelpDCmd>(full_export, true, false)); 49 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VersionDCmd>(full_export, true, false)); 50 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CommandLineDCmd>(full_export, true, false)); 51 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintSystemPropertiesDCmd>(full_export, true, false)); 52 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintVMFlagsDCmd>(full_export, true, false)); 53 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMDynamicLibrariesDCmd>(full_export, true, false)); 54 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMUptimeDCmd>(full_export, true, false)); 55 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SystemGCDCmd>(full_export, true, false)); 56 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RunFinalizationDCmd>(full_export, true, false)); 57 #if INCLUDE_SERVICES // Heap dumping/inspection supported 58 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HeapDumpDCmd>(DCmd_Source_Internal | DCmd_Source_AttachAPI, true, false)); 59 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassHistogramDCmd>(full_export, true, false)); 60 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassStatsDCmd>(full_export, true, false)); 61 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassHierarchyDCmd>(full_export, true, false)); 62 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SymboltableDCmd>(full_export, true, false)); 63 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<StringtableDCmd>(full_export, true, false)); 64 #endif // INCLUDE_SERVICES 65 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ThreadDumpDCmd>(full_export, true, false)); 66 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RotateGCLogDCmd>(full_export, true, false)); 67 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassLoaderStatsDCmd>(full_export, true, false)); 68 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompileQueueDCmd>(full_export, true, false)); 69 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeListDCmd>(full_export, true, false)); 70 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeCacheDCmd>(full_export, true, false)); 71 72 // Enhanced JMX Agent Support 73 // These commands won't be exported via the DiagnosticCommandMBean until an 74 // appropriate permission is created for them 75 uint32_t jmx_agent_export_flags = DCmd_Source_Internal | DCmd_Source_AttachAPI; 76 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartRemoteDCmd>(jmx_agent_export_flags, true,false)); 77 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartLocalDCmd>(jmx_agent_export_flags, true,false)); 78 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStopRemoteDCmd>(jmx_agent_export_flags, true,false)); 79 80 } 81 82 #ifndef HAVE_EXTRA_DCMD 83 void DCmdRegistrant::register_dcmds_ext(){ 84 // Do nothing here 85 } 86 #endif 87 88 89 HelpDCmd::HelpDCmd(outputStream* output, bool heap) : DCmdWithParser(output, heap), 90 _all("-all", "Show help for all commands", "BOOLEAN", false, "false"), 91 _cmd("command name", "The name of the command for which we want help", 92 "STRING", false) { 93 _dcmdparser.add_dcmd_option(&_all); 94 _dcmdparser.add_dcmd_argument(&_cmd); 95 }; 96 97 void HelpDCmd::execute(DCmdSource source, TRAPS) { 98 if (_all.value()) { 99 GrowableArray<const char*>* cmd_list = DCmdFactory::DCmd_list(source); 100 for (int i = 0; i < cmd_list->length(); i++) { 101 DCmdFactory* factory = DCmdFactory::factory(source, cmd_list->at(i), 102 strlen(cmd_list->at(i))); 103 output()->print_cr("%s%s", factory->name(), 104 factory->is_enabled() ? "" : " [disabled]"); 105 output()->print_cr("\t%s", factory->description()); 106 output()->cr(); 107 factory = factory->next(); 108 } 109 } else if (_cmd.has_value()) { 110 DCmd* cmd = NULL; 111 DCmdFactory* factory = DCmdFactory::factory(source, _cmd.value(), 112 strlen(_cmd.value())); 113 if (factory != NULL) { 114 output()->print_cr("%s%s", factory->name(), 115 factory->is_enabled() ? "" : " [disabled]"); 116 output()->print_cr("%s", factory->description()); 117 output()->print_cr("\nImpact: %s", factory->impact()); 118 JavaPermission p = factory->permission(); 119 if(p._class != NULL) { 120 if(p._action != NULL) { 121 output()->print_cr("\nPermission: %s(%s, %s)", 122 p._class, p._name == NULL ? "null" : p._name, p._action); 123 } else { 124 output()->print_cr("\nPermission: %s(%s)", 125 p._class, p._name == NULL ? "null" : p._name); 126 } 127 } 128 output()->cr(); 129 cmd = factory->create_resource_instance(output()); 130 if (cmd != NULL) { 131 DCmdMark mark(cmd); 132 cmd->print_help(factory->name()); 133 } 134 } else { 135 output()->print_cr("Help unavailable : '%s' : No such command", _cmd.value()); 136 } 137 } else { 138 output()->print_cr("The following commands are available:"); 139 GrowableArray<const char *>* cmd_list = DCmdFactory::DCmd_list(source); 140 for (int i = 0; i < cmd_list->length(); i++) { 141 DCmdFactory* factory = DCmdFactory::factory(source, cmd_list->at(i), 142 strlen(cmd_list->at(i))); 143 output()->print_cr("%s%s", factory->name(), 144 factory->is_enabled() ? "" : " [disabled]"); 145 factory = factory->_next; 146 } 147 output()->print_cr("\nFor more information about a specific command use 'help <command>'."); 148 } 149 } 150 151 int HelpDCmd::num_arguments() { 152 ResourceMark rm; 153 HelpDCmd* dcmd = new HelpDCmd(NULL, false); 154 if (dcmd != NULL) { 155 DCmdMark mark(dcmd); 156 return dcmd->_dcmdparser.num_arguments(); 157 } else { 158 return 0; 159 } 160 } 161 162 void VersionDCmd::execute(DCmdSource source, TRAPS) { 163 output()->print_cr("%s version %s", Abstract_VM_Version::vm_name(), 164 Abstract_VM_Version::vm_release()); 165 JDK_Version jdk_version = JDK_Version::current(); 166 if (jdk_version.update_version() > 0) { 167 output()->print_cr("JDK %d.%d_%02d", jdk_version.major_version(), 168 jdk_version.minor_version(), jdk_version.update_version()); 169 } else { 170 output()->print_cr("JDK %d.%d", jdk_version.major_version(), 171 jdk_version.minor_version()); 172 } 173 } 174 175 PrintVMFlagsDCmd::PrintVMFlagsDCmd(outputStream* output, bool heap) : 176 DCmdWithParser(output, heap), 177 _all("-all", "Print all flags supported by the VM", "BOOLEAN", false, "false") { 178 _dcmdparser.add_dcmd_option(&_all); 179 } 180 181 void PrintVMFlagsDCmd::execute(DCmdSource source, TRAPS) { 182 if (_all.value()) { 183 CommandLineFlags::printFlags(output(), true); 184 } else { 185 CommandLineFlags::printSetFlags(output()); 186 } 187 } 188 189 int PrintVMFlagsDCmd::num_arguments() { 190 ResourceMark rm; 191 PrintVMFlagsDCmd* dcmd = new PrintVMFlagsDCmd(NULL, false); 192 if (dcmd != NULL) { 193 DCmdMark mark(dcmd); 194 return dcmd->_dcmdparser.num_arguments(); 195 } else { 196 return 0; 197 } 198 } 199 200 void PrintSystemPropertiesDCmd::execute(DCmdSource source, TRAPS) { 201 // load sun.misc.VMSupport 202 Symbol* klass = vmSymbols::sun_misc_VMSupport(); 203 Klass* k = SystemDictionary::resolve_or_fail(klass, true, CHECK); 204 instanceKlassHandle ik (THREAD, k); 205 if (ik->should_be_initialized()) { 206 ik->initialize(THREAD); 207 } 208 if (HAS_PENDING_EXCEPTION) { 209 java_lang_Throwable::print(PENDING_EXCEPTION, output()); 210 output()->cr(); 211 CLEAR_PENDING_EXCEPTION; 212 return; 213 } 214 215 // invoke the serializePropertiesToByteArray method 216 JavaValue result(T_OBJECT); 217 JavaCallArguments args; 218 219 Symbol* signature = vmSymbols::serializePropertiesToByteArray_signature(); 220 JavaCalls::call_static(&result, 221 ik, 222 vmSymbols::serializePropertiesToByteArray_name(), 223 signature, 224 &args, 225 THREAD); 226 if (HAS_PENDING_EXCEPTION) { 227 java_lang_Throwable::print(PENDING_EXCEPTION, output()); 228 output()->cr(); 229 CLEAR_PENDING_EXCEPTION; 230 return; 231 } 232 233 // The result should be a [B 234 oop res = (oop)result.get_jobject(); 235 assert(res->is_typeArray(), "just checking"); 236 assert(TypeArrayKlass::cast(res->klass())->element_type() == T_BYTE, "just checking"); 237 238 // copy the bytes to the output stream 239 typeArrayOop ba = typeArrayOop(res); 240 jbyte* addr = typeArrayOop(res)->byte_at_addr(0); 241 output()->print_raw((const char*)addr, ba->length()); 242 } 243 244 VMUptimeDCmd::VMUptimeDCmd(outputStream* output, bool heap) : 245 DCmdWithParser(output, heap), 246 _date("-date", "Add a prefix with current date", "BOOLEAN", false, "false") { 247 _dcmdparser.add_dcmd_option(&_date); 248 } 249 250 void VMUptimeDCmd::execute(DCmdSource source, TRAPS) { 251 if (_date.value()) { 252 output()->date_stamp(true, "", ": "); 253 } 254 output()->time_stamp().update_to(tty->time_stamp().ticks()); 255 output()->stamp(); 256 output()->print_cr(" s"); 257 } 258 259 int VMUptimeDCmd::num_arguments() { 260 ResourceMark rm; 261 VMUptimeDCmd* dcmd = new VMUptimeDCmd(NULL, false); 262 if (dcmd != NULL) { 263 DCmdMark mark(dcmd); 264 return dcmd->_dcmdparser.num_arguments(); 265 } else { 266 return 0; 267 } 268 } 269 270 void SystemGCDCmd::execute(DCmdSource source, TRAPS) { 271 if (!DisableExplicitGC) { 272 Universe::heap()->collect(GCCause::_java_lang_system_gc); 273 } else { 274 output()->print_cr("Explicit GC is disabled, no GC has been performed."); 275 } 276 } 277 278 void RunFinalizationDCmd::execute(DCmdSource source, TRAPS) { 279 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_System(), 280 true, CHECK); 281 instanceKlassHandle klass(THREAD, k); 282 JavaValue result(T_VOID); 283 JavaCalls::call_static(&result, klass, 284 vmSymbols::run_finalization_name(), 285 vmSymbols::void_method_signature(), CHECK); 286 } 287 288 #if INCLUDE_SERVICES // Heap dumping/inspection supported 289 HeapDumpDCmd::HeapDumpDCmd(outputStream* output, bool heap) : 290 DCmdWithParser(output, heap), 291 _filename("filename","Name of the dump file", "STRING",true), 292 _all("-all", "Dump all objects, including unreachable objects", 293 "BOOLEAN", false, "false") { 294 _dcmdparser.add_dcmd_option(&_all); 295 _dcmdparser.add_dcmd_argument(&_filename); 296 } 297 298 void HeapDumpDCmd::execute(DCmdSource source, TRAPS) { 299 // Request a full GC before heap dump if _all is false 300 // This helps reduces the amount of unreachable objects in the dump 301 // and makes it easier to browse. 302 HeapDumper dumper(!_all.value() /* request GC if _all is false*/); 303 int res = dumper.dump(_filename.value()); 304 if (res == 0) { 305 output()->print_cr("Heap dump file created"); 306 } else { 307 // heap dump failed 308 ResourceMark rm; 309 char* error = dumper.error_as_C_string(); 310 if (error == NULL) { 311 output()->print_cr("Dump failed - reason unknown"); 312 } else { 313 output()->print_cr("%s", error); 314 } 315 } 316 } 317 318 int HeapDumpDCmd::num_arguments() { 319 ResourceMark rm; 320 HeapDumpDCmd* dcmd = new HeapDumpDCmd(NULL, false); 321 if (dcmd != NULL) { 322 DCmdMark mark(dcmd); 323 return dcmd->_dcmdparser.num_arguments(); 324 } else { 325 return 0; 326 } 327 } 328 329 ClassHistogramDCmd::ClassHistogramDCmd(outputStream* output, bool heap) : 330 DCmdWithParser(output, heap), 331 _all("-all", "Inspect all objects, including unreachable objects", 332 "BOOLEAN", false, "false") { 333 _dcmdparser.add_dcmd_option(&_all); 334 } 335 336 void ClassHistogramDCmd::execute(DCmdSource source, TRAPS) { 337 VM_GC_HeapInspection heapop(output(), 338 !_all.value() /* request full gc if false */); 339 VMThread::execute(&heapop); 340 } 341 342 int ClassHistogramDCmd::num_arguments() { 343 ResourceMark rm; 344 ClassHistogramDCmd* dcmd = new ClassHistogramDCmd(NULL, false); 345 if (dcmd != NULL) { 346 DCmdMark mark(dcmd); 347 return dcmd->_dcmdparser.num_arguments(); 348 } else { 349 return 0; 350 } 351 } 352 353 #define DEFAULT_COLUMNS "InstBytes,KlassBytes,CpAll,annotations,MethodCount,Bytecodes,MethodAll,ROAll,RWAll,Total" 354 ClassStatsDCmd::ClassStatsDCmd(outputStream* output, bool heap) : 355 DCmdWithParser(output, heap), 356 _csv("-csv", "Print in CSV (comma-separated values) format for spreadsheets", 357 "BOOLEAN", false, "false"), 358 _all("-all", "Show all columns", 359 "BOOLEAN", false, "false"), 360 _help("-help", "Show meaning of all the columns", 361 "BOOLEAN", false, "false"), 362 _columns("columns", "Comma-separated list of all the columns to show. " 363 "If not specified, the following columns are shown: " DEFAULT_COLUMNS, 364 "STRING", false) { 365 _dcmdparser.add_dcmd_option(&_all); 366 _dcmdparser.add_dcmd_option(&_csv); 367 _dcmdparser.add_dcmd_option(&_help); 368 _dcmdparser.add_dcmd_argument(&_columns); 369 } 370 371 void ClassStatsDCmd::execute(DCmdSource source, TRAPS) { 372 if (!UnlockDiagnosticVMOptions) { 373 output()->print_cr("GC.class_stats command requires -XX:+UnlockDiagnosticVMOptions"); 374 return; 375 } 376 377 VM_GC_HeapInspection heapop(output(), 378 true /* request_full_gc */); 379 heapop.set_csv_format(_csv.value()); 380 heapop.set_print_help(_help.value()); 381 heapop.set_print_class_stats(true); 382 if (_all.value()) { 383 if (_columns.has_value()) { 384 output()->print_cr("Cannot specify -all and individual columns at the same time"); 385 return; 386 } else { 387 heapop.set_columns(NULL); 388 } 389 } else { 390 if (_columns.has_value()) { 391 heapop.set_columns(_columns.value()); 392 } else { 393 heapop.set_columns(DEFAULT_COLUMNS); 394 } 395 } 396 VMThread::execute(&heapop); 397 } 398 399 int ClassStatsDCmd::num_arguments() { 400 ResourceMark rm; 401 ClassStatsDCmd* dcmd = new ClassStatsDCmd(NULL, false); 402 if (dcmd != NULL) { 403 DCmdMark mark(dcmd); 404 return dcmd->_dcmdparser.num_arguments(); 405 } else { 406 return 0; 407 } 408 } 409 #endif // INCLUDE_SERVICES 410 411 ThreadDumpDCmd::ThreadDumpDCmd(outputStream* output, bool heap) : 412 DCmdWithParser(output, heap), 413 _locks("-l", "print java.util.concurrent locks", "BOOLEAN", false, "false") { 414 _dcmdparser.add_dcmd_option(&_locks); 415 } 416 417 void ThreadDumpDCmd::execute(DCmdSource source, TRAPS) { 418 // thread stacks 419 VM_PrintThreads op1(output(), _locks.value()); 420 VMThread::execute(&op1); 421 422 // JNI global handles 423 VM_PrintJNI op2(output()); 424 VMThread::execute(&op2); 425 426 // Deadlock detection 427 VM_FindDeadlocks op3(output()); 428 VMThread::execute(&op3); 429 } 430 431 int ThreadDumpDCmd::num_arguments() { 432 ResourceMark rm; 433 ThreadDumpDCmd* dcmd = new ThreadDumpDCmd(NULL, false); 434 if (dcmd != NULL) { 435 DCmdMark mark(dcmd); 436 return dcmd->_dcmdparser.num_arguments(); 437 } else { 438 return 0; 439 } 440 } 441 442 // Enhanced JMX Agent support 443 444 JMXStartRemoteDCmd::JMXStartRemoteDCmd(outputStream *output, bool heap_allocated) : 445 446 DCmdWithParser(output, heap_allocated), 447 448 _config_file 449 ("config.file", 450 "set com.sun.management.config.file", "STRING", false), 451 452 _jmxremote_port 453 ("jmxremote.port", 454 "set com.sun.management.jmxremote.port", "STRING", false), 455 456 _jmxremote_rmi_port 457 ("jmxremote.rmi.port", 458 "set com.sun.management.jmxremote.rmi.port", "STRING", false), 459 460 _jmxremote_ssl 461 ("jmxremote.ssl", 462 "set com.sun.management.jmxremote.ssl", "STRING", false), 463 464 _jmxremote_registry_ssl 465 ("jmxremote.registry.ssl", 466 "set com.sun.management.jmxremote.registry.ssl", "STRING", false), 467 468 _jmxremote_authenticate 469 ("jmxremote.authenticate", 470 "set com.sun.management.jmxremote.authenticate", "STRING", false), 471 472 _jmxremote_password_file 473 ("jmxremote.password.file", 474 "set com.sun.management.jmxremote.password.file", "STRING", false), 475 476 _jmxremote_access_file 477 ("jmxremote.access.file", 478 "set com.sun.management.jmxremote.access.file", "STRING", false), 479 480 _jmxremote_login_config 481 ("jmxremote.login.config", 482 "set com.sun.management.jmxremote.login.config", "STRING", false), 483 484 _jmxremote_ssl_enabled_cipher_suites 485 ("jmxremote.ssl.enabled.cipher.suites", 486 "set com.sun.management.jmxremote.ssl.enabled.cipher.suite", "STRING", false), 487 488 _jmxremote_ssl_enabled_protocols 489 ("jmxremote.ssl.enabled.protocols", 490 "set com.sun.management.jmxremote.ssl.enabled.protocols", "STRING", false), 491 492 _jmxremote_ssl_need_client_auth 493 ("jmxremote.ssl.need.client.auth", 494 "set com.sun.management.jmxremote.need.client.auth", "STRING", false), 495 496 _jmxremote_ssl_config_file 497 ("jmxremote.ssl.config.file", 498 "set com.sun.management.jmxremote.ssl_config_file", "STRING", false), 499 500 // JDP Protocol support 501 _jmxremote_autodiscovery 502 ("jmxremote.autodiscovery", 503 "set com.sun.management.jmxremote.autodiscovery", "STRING", false), 504 505 _jdp_port 506 ("jdp.port", 507 "set com.sun.management.jdp.port", "INT", false), 508 509 _jdp_address 510 ("jdp.address", 511 "set com.sun.management.jdp.address", "STRING", false), 512 513 _jdp_source_addr 514 ("jdp.source_addr", 515 "set com.sun.management.jdp.source_addr", "STRING", false), 516 517 _jdp_ttl 518 ("jdp.ttl", 519 "set com.sun.management.jdp.ttl", "INT", false), 520 521 _jdp_pause 522 ("jdp.pause", 523 "set com.sun.management.jdp.pause", "INT", false), 524 525 _jdp_name 526 ("jdp.name", 527 "set com.sun.management.jdp.name", "STRING", false) 528 529 { 530 _dcmdparser.add_dcmd_option(&_config_file); 531 _dcmdparser.add_dcmd_option(&_jmxremote_port); 532 _dcmdparser.add_dcmd_option(&_jmxremote_rmi_port); 533 _dcmdparser.add_dcmd_option(&_jmxremote_ssl); 534 _dcmdparser.add_dcmd_option(&_jmxremote_registry_ssl); 535 _dcmdparser.add_dcmd_option(&_jmxremote_authenticate); 536 _dcmdparser.add_dcmd_option(&_jmxremote_password_file); 537 _dcmdparser.add_dcmd_option(&_jmxremote_access_file); 538 _dcmdparser.add_dcmd_option(&_jmxremote_login_config); 539 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_cipher_suites); 540 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_protocols); 541 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_need_client_auth); 542 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_config_file); 543 _dcmdparser.add_dcmd_option(&_jmxremote_autodiscovery); 544 _dcmdparser.add_dcmd_option(&_jdp_port); 545 _dcmdparser.add_dcmd_option(&_jdp_address); 546 _dcmdparser.add_dcmd_option(&_jdp_source_addr); 547 _dcmdparser.add_dcmd_option(&_jdp_ttl); 548 _dcmdparser.add_dcmd_option(&_jdp_pause); 549 _dcmdparser.add_dcmd_option(&_jdp_name); 550 } 551 552 553 int JMXStartRemoteDCmd::num_arguments() { 554 ResourceMark rm; 555 JMXStartRemoteDCmd* dcmd = new JMXStartRemoteDCmd(NULL, false); 556 if (dcmd != NULL) { 557 DCmdMark mark(dcmd); 558 return dcmd->_dcmdparser.num_arguments(); 559 } else { 560 return 0; 561 } 562 } 563 564 565 void JMXStartRemoteDCmd::execute(DCmdSource source, TRAPS) { 566 ResourceMark rm(THREAD); 567 HandleMark hm(THREAD); 568 569 // Load and initialize the sun.management.Agent class 570 // invoke startRemoteManagementAgent(string) method to start 571 // the remote management server. 572 // throw java.lang.NoSuchMethodError if the method doesn't exist 573 574 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader()); 575 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK); 576 instanceKlassHandle ik (THREAD, k); 577 578 JavaValue result(T_VOID); 579 580 // Pass all command line arguments to java as key=value,... 581 // All checks are done on java side 582 583 int len = 0; 584 stringStream options; 585 char comma[2] = {0,0}; 586 587 // Leave default values on Agent.class side and pass only 588 // agruments explicitly set by user. All arguments passed 589 // to jcmd override properties with the same name set by 590 // command line with -D or by managmenent.properties 591 // file. 592 #define PUT_OPTION(a) \ 593 if ( (a).is_set() ){ \ 594 options.print(\ 595 ( *((a).type()) == 'I' ) ? "%scom.sun.management.%s=%d" : "%scom.sun.management.%s=%s",\ 596 comma, (a).name(), (a).value()); \ 597 comma[0] = ','; \ 598 } 599 600 PUT_OPTION(_config_file); 601 PUT_OPTION(_jmxremote_port); 602 PUT_OPTION(_jmxremote_rmi_port); 603 PUT_OPTION(_jmxremote_ssl); 604 PUT_OPTION(_jmxremote_registry_ssl); 605 PUT_OPTION(_jmxremote_authenticate); 606 PUT_OPTION(_jmxremote_password_file); 607 PUT_OPTION(_jmxremote_access_file); 608 PUT_OPTION(_jmxremote_login_config); 609 PUT_OPTION(_jmxremote_ssl_enabled_cipher_suites); 610 PUT_OPTION(_jmxremote_ssl_enabled_protocols); 611 PUT_OPTION(_jmxremote_ssl_need_client_auth); 612 PUT_OPTION(_jmxremote_ssl_config_file); 613 PUT_OPTION(_jmxremote_autodiscovery); 614 PUT_OPTION(_jdp_port); 615 PUT_OPTION(_jdp_address); 616 PUT_OPTION(_jdp_source_addr); 617 PUT_OPTION(_jdp_ttl); 618 PUT_OPTION(_jdp_pause); 619 PUT_OPTION(_jdp_name); 620 621 #undef PUT_OPTION 622 623 Handle str = java_lang_String::create_from_str(options.as_string(), CHECK); 624 JavaCalls::call_static(&result, ik, vmSymbols::startRemoteAgent_name(), vmSymbols::string_void_signature(), str, CHECK); 625 } 626 627 JMXStartLocalDCmd::JMXStartLocalDCmd(outputStream *output, bool heap_allocated) : 628 DCmd(output, heap_allocated) { 629 // do nothing 630 } 631 632 void JMXStartLocalDCmd::execute(DCmdSource source, TRAPS) { 633 ResourceMark rm(THREAD); 634 HandleMark hm(THREAD); 635 636 // Load and initialize the sun.management.Agent class 637 // invoke startLocalManagementAgent(void) method to start 638 // the local management server 639 // throw java.lang.NoSuchMethodError if method doesn't exist 640 641 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader()); 642 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK); 643 instanceKlassHandle ik (THREAD, k); 644 645 JavaValue result(T_VOID); 646 JavaCalls::call_static(&result, ik, vmSymbols::startLocalAgent_name(), vmSymbols::void_method_signature(), CHECK); 647 } 648 649 void JMXStopRemoteDCmd::execute(DCmdSource source, TRAPS) { 650 ResourceMark rm(THREAD); 651 HandleMark hm(THREAD); 652 653 // Load and initialize the sun.management.Agent class 654 // invoke stopRemoteManagementAgent method to stop the 655 // management server 656 // throw java.lang.NoSuchMethodError if method doesn't exist 657 658 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader()); 659 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK); 660 instanceKlassHandle ik (THREAD, k); 661 662 JavaValue result(T_VOID); 663 JavaCalls::call_static(&result, ik, vmSymbols::stopRemoteAgent_name(), vmSymbols::void_method_signature(), CHECK); 664 } 665 666 VMDynamicLibrariesDCmd::VMDynamicLibrariesDCmd(outputStream *output, bool heap_allocated) : 667 DCmd(output, heap_allocated) { 668 // do nothing 669 } 670 671 void VMDynamicLibrariesDCmd::execute(DCmdSource source, TRAPS) { 672 os::print_dll_info(output()); 673 output()->cr(); 674 } 675 676 void RotateGCLogDCmd::execute(DCmdSource source, TRAPS) { 677 if (UseGCLogFileRotation) { 678 VM_RotateGCLog rotateop(output()); 679 VMThread::execute(&rotateop); 680 } else { 681 output()->print_cr("Target VM does not support GC log file rotation."); 682 } 683 } 684 685 void CompileQueueDCmd::execute(DCmdSource source, TRAPS) { 686 VM_PrintCompileQueue printCompileQueueOp(output()); 687 VMThread::execute(&printCompileQueueOp); 688 } 689 690 void CodeListDCmd::execute(DCmdSource source, TRAPS) { 691 VM_PrintCodeList printCodeListOp(output()); 692 VMThread::execute(&printCodeListOp); 693 } 694 695 void CodeCacheDCmd::execute(DCmdSource source, TRAPS) { 696 VM_PrintCodeCache printCodeCacheOp(output()); 697 VMThread::execute(&printCodeCacheOp); 698 } 699 700 #if INCLUDE_SERVICES 701 ClassHierarchyDCmd::ClassHierarchyDCmd(outputStream* output, bool heap) : 702 DCmdWithParser(output, heap), 703 _print_interfaces("-i", "Inherited interfaces should be printed.", "BOOLEAN", false, "false"), 704 _print_subclasses("-s", "If a classname is specified, print its subclasses. " 705 "Otherwise only its superclasses are printed.", "BOOLEAN", false, "false"), 706 _classname("classname", "Name of class whose hierarchy should be printed. " 707 "If not specified, all class hierarchies are printed.", 708 "STRING", false) { 709 _dcmdparser.add_dcmd_option(&_print_interfaces); 710 _dcmdparser.add_dcmd_option(&_print_subclasses); 711 _dcmdparser.add_dcmd_argument(&_classname); 712 } 713 714 void ClassHierarchyDCmd::execute(DCmdSource source, TRAPS) { 715 VM_PrintClassHierarchy printClassHierarchyOp(output(), _print_interfaces.value(), 716 _print_subclasses.value(), _classname.value()); 717 VMThread::execute(&printClassHierarchyOp); 718 } 719 720 int ClassHierarchyDCmd::num_arguments() { 721 ResourceMark rm; 722 ClassHierarchyDCmd* dcmd = new ClassHierarchyDCmd(NULL, false); 723 if (dcmd != NULL) { 724 DCmdMark mark(dcmd); 725 return dcmd->_dcmdparser.num_arguments(); 726 } else { 727 return 0; 728 } 729 } 730 731 #endif