1 /* 2 * Copyright (c) 2011, 2014, 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 "runtime/javaCalls.hpp" 30 #include "runtime/os.hpp" 31 #include "services/diagnosticArgument.hpp" 32 #include "services/diagnosticCommand.hpp" 33 #include "services/diagnosticFramework.hpp" 34 #include "services/heapDumper.hpp" 35 #include "services/management.hpp" 36 #include "utilities/macros.hpp" 37 38 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC 39 40 void DCmdRegistrant::register_dcmds(){ 41 // Registration of the diagnostic commands 42 // First argument specifies which interfaces will export the command 43 // Second argument specifies if the command is enabled 44 // Third argument specifies if the command is hidden 45 uint32_t full_export = DCmd_Source_Internal | DCmd_Source_AttachAPI 46 | DCmd_Source_MBean; 47 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HelpDCmd>(full_export, true, false)); 48 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VersionDCmd>(full_export, true, false)); 49 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CommandLineDCmd>(full_export, true, false)); 50 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintSystemPropertiesDCmd>(full_export, true, false)); 51 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintVMFlagsDCmd>(full_export, true, false)); 52 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMDynamicLibrariesDCmd>(full_export, true, false)); 53 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMUptimeDCmd>(full_export, true, false)); 54 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SystemGCDCmd>(full_export, true, false)); 55 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RunFinalizationDCmd>(full_export, true, false)); 56 #if INCLUDE_SERVICES // Heap dumping/inspection supported 57 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HeapDumpDCmd>(DCmd_Source_Internal | DCmd_Source_AttachAPI, true, false)); 58 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassHistogramDCmd>(full_export, true, false)); 59 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassStatsDCmd>(full_export, true, false)); 60 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SymboltableDCmd>(full_export, true, false)); 61 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<StringtableDCmd>(full_export, true, false)); 62 #endif // INCLUDE_SERVICES 63 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ThreadDumpDCmd>(full_export, true, false)); 64 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RotateGCLogDCmd>(full_export, true, false)); 65 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassLoaderStatsDCmd>(full_export, true, false)); 66 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompileQueueDCmd>(full_export, true, false)); 67 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeListDCmd>(full_export, true, false)); 68 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeCacheDCmd>(full_export, true, false)); 69 70 // Enhanced JMX Agent Support 71 // These commands won't be exported via the DiagnosticCommandMBean until an 72 // appropriate permission is created for them 73 uint32_t jmx_agent_export_flags = DCmd_Source_Internal | DCmd_Source_AttachAPI; 74 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartRemoteDCmd>(jmx_agent_export_flags, true,false)); 75 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartLocalDCmd>(jmx_agent_export_flags, true,false)); 76 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStopRemoteDCmd>(jmx_agent_export_flags, true,false)); 77 78 } 79 80 #ifndef HAVE_EXTRA_DCMD 81 void DCmdRegistrant::register_dcmds_ext(){ 82 // Do nothing here 83 } 84 #endif 85 86 87 HelpDCmd::HelpDCmd(outputStream* output, bool heap) : DCmdWithParser(output, heap), 88 _all("-all", "Show help for all commands", "BOOLEAN", false, "false"), 89 _cmd("command name", "The name of the command for which we want help", 90 "STRING", false) { 91 _dcmdparser.add_dcmd_option(&_all); 92 _dcmdparser.add_dcmd_argument(&_cmd); 93 }; 94 95 void HelpDCmd::execute(DCmdSource source, TRAPS) { 96 if (_all.value()) { 97 GrowableArray<const char*>* cmd_list = DCmdFactory::DCmd_list(source); 98 for (int i = 0; i < cmd_list->length(); i++) { 99 DCmdFactory* factory = DCmdFactory::factory(source, cmd_list->at(i), 100 strlen(cmd_list->at(i))); 101 output()->print_cr("%s%s", factory->name(), 102 factory->is_enabled() ? "" : " [disabled]"); 103 output()->print_cr("\t%s", factory->description()); 104 output()->cr(); 105 factory = factory->next(); 106 } 107 } else if (_cmd.has_value()) { 108 DCmd* cmd = NULL; 109 DCmdFactory* factory = DCmdFactory::factory(source, _cmd.value(), 110 strlen(_cmd.value())); 111 if (factory != NULL) { 112 output()->print_cr("%s%s", factory->name(), 113 factory->is_enabled() ? "" : " [disabled]"); 114 output()->print_cr("%s", factory->description()); 115 output()->print_cr("\nImpact: %s", factory->impact()); 116 JavaPermission p = factory->permission(); 117 if(p._class != NULL) { 118 if(p._action != NULL) { 119 output()->print_cr("\nPermission: %s(%s, %s)", 120 p._class, p._name == NULL ? "null" : p._name, p._action); 121 } else { 122 output()->print_cr("\nPermission: %s(%s)", 123 p._class, p._name == NULL ? "null" : p._name); 124 } 125 } 126 output()->cr(); 127 cmd = factory->create_resource_instance(output()); 128 if (cmd != NULL) { 129 DCmdMark mark(cmd); 130 cmd->print_help(factory->name()); 131 } 132 } else { 133 output()->print_cr("Help unavailable : '%s' : No such command", _cmd.value()); 134 } 135 } else { 136 output()->print_cr("The following commands are available:"); 137 GrowableArray<const char *>* cmd_list = DCmdFactory::DCmd_list(source); 138 for (int i = 0; i < cmd_list->length(); i++) { 139 DCmdFactory* factory = DCmdFactory::factory(source, cmd_list->at(i), 140 strlen(cmd_list->at(i))); 141 output()->print_cr("%s%s", factory->name(), 142 factory->is_enabled() ? "" : " [disabled]"); 143 factory = factory->_next; 144 } 145 output()->print_cr("\nFor more information about a specific command use 'help <command>'."); 146 } 147 } 148 149 int HelpDCmd::num_arguments() { 150 ResourceMark rm; 151 HelpDCmd* dcmd = new HelpDCmd(NULL, false); 152 if (dcmd != NULL) { 153 DCmdMark mark(dcmd); 154 return dcmd->_dcmdparser.num_arguments(); 155 } else { 156 return 0; 157 } 158 } 159 160 void VersionDCmd::execute(DCmdSource source, TRAPS) { 161 output()->print_cr("%s version %s", Abstract_VM_Version::vm_name(), 162 Abstract_VM_Version::vm_release()); 163 JDK_Version jdk_version = JDK_Version::current(); 164 if (jdk_version.update_version() > 0) { 165 output()->print_cr("JDK %d.%d_%02d", jdk_version.major_version(), 166 jdk_version.minor_version(), jdk_version.update_version()); 167 } else { 168 output()->print_cr("JDK %d.%d", jdk_version.major_version(), 169 jdk_version.minor_version()); 170 } 171 } 172 173 PrintVMFlagsDCmd::PrintVMFlagsDCmd(outputStream* output, bool heap) : 174 DCmdWithParser(output, heap), 175 _all("-all", "Print all flags supported by the VM", "BOOLEAN", false, "false") { 176 _dcmdparser.add_dcmd_option(&_all); 177 } 178 179 void PrintVMFlagsDCmd::execute(DCmdSource source, TRAPS) { 180 if (_all.value()) { 181 CommandLineFlags::printFlags(output(), true); 182 } else { 183 CommandLineFlags::printSetFlags(output()); 184 } 185 } 186 187 int PrintVMFlagsDCmd::num_arguments() { 188 ResourceMark rm; 189 PrintVMFlagsDCmd* dcmd = new PrintVMFlagsDCmd(NULL, false); 190 if (dcmd != NULL) { 191 DCmdMark mark(dcmd); 192 return dcmd->_dcmdparser.num_arguments(); 193 } else { 194 return 0; 195 } 196 } 197 198 void PrintSystemPropertiesDCmd::execute(DCmdSource source, TRAPS) { 199 // load sun.misc.VMSupport 200 Symbol* klass = vmSymbols::sun_misc_VMSupport(); 201 Klass* k = SystemDictionary::resolve_or_fail(klass, true, CHECK); 202 instanceKlassHandle ik (THREAD, k); 203 if (ik->should_be_initialized()) { 204 ik->initialize(THREAD); 205 } 206 if (HAS_PENDING_EXCEPTION) { 207 java_lang_Throwable::print(PENDING_EXCEPTION, output()); 208 output()->cr(); 209 CLEAR_PENDING_EXCEPTION; 210 return; 211 } 212 213 // invoke the serializePropertiesToByteArray method 214 JavaValue result(T_OBJECT); 215 JavaCallArguments args; 216 217 Symbol* signature = vmSymbols::serializePropertiesToByteArray_signature(); 218 JavaCalls::call_static(&result, 219 ik, 220 vmSymbols::serializePropertiesToByteArray_name(), 221 signature, 222 &args, 223 THREAD); 224 if (HAS_PENDING_EXCEPTION) { 225 java_lang_Throwable::print(PENDING_EXCEPTION, output()); 226 output()->cr(); 227 CLEAR_PENDING_EXCEPTION; 228 return; 229 } 230 231 // The result should be a [B 232 oop res = (oop)result.get_jobject(); 233 assert(res->is_typeArray(), "just checking"); 234 assert(TypeArrayKlass::cast(res->klass())->element_type() == T_BYTE, "just checking"); 235 236 // copy the bytes to the output stream 237 typeArrayOop ba = typeArrayOop(res); 238 jbyte* addr = typeArrayOop(res)->byte_at_addr(0); 239 output()->print_raw((const char*)addr, ba->length()); 240 } 241 242 VMUptimeDCmd::VMUptimeDCmd(outputStream* output, bool heap) : 243 DCmdWithParser(output, heap), 244 _date("-date", "Add a prefix with current date", "BOOLEAN", false, "false") { 245 _dcmdparser.add_dcmd_option(&_date); 246 } 247 248 void VMUptimeDCmd::execute(DCmdSource source, TRAPS) { 249 if (_date.value()) { 250 output()->date_stamp(true, "", ": "); 251 } 252 output()->time_stamp().update_to(tty->time_stamp().ticks()); 253 output()->stamp(); 254 output()->print_cr(" s"); 255 } 256 257 int VMUptimeDCmd::num_arguments() { 258 ResourceMark rm; 259 VMUptimeDCmd* dcmd = new VMUptimeDCmd(NULL, false); 260 if (dcmd != NULL) { 261 DCmdMark mark(dcmd); 262 return dcmd->_dcmdparser.num_arguments(); 263 } else { 264 return 0; 265 } 266 } 267 268 void SystemGCDCmd::execute(DCmdSource source, TRAPS) { 269 if (!DisableExplicitGC) { 270 Universe::heap()->collect(GCCause::_dcmd_gc_run); 271 } else { 272 output()->print_cr("Explicit GC is disabled, no GC has been performed."); 273 } 274 } 275 276 void RunFinalizationDCmd::execute(DCmdSource source, TRAPS) { 277 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_System(), 278 true, CHECK); 279 instanceKlassHandle klass(THREAD, k); 280 JavaValue result(T_VOID); 281 JavaCalls::call_static(&result, klass, 282 vmSymbols::run_finalization_name(), 283 vmSymbols::void_method_signature(), CHECK); 284 } 285 286 #if INCLUDE_SERVICES // Heap dumping/inspection supported 287 HeapDumpDCmd::HeapDumpDCmd(outputStream* output, bool heap) : 288 DCmdWithParser(output, heap), 289 _filename("filename","Name of the dump file", "STRING",true), 290 _all("-all", "Dump all objects, including unreachable objects", 291 "BOOLEAN", false, "false") { 292 _dcmdparser.add_dcmd_option(&_all); 293 _dcmdparser.add_dcmd_argument(&_filename); 294 } 295 296 void HeapDumpDCmd::execute(DCmdSource source, TRAPS) { 297 // Request a full GC before heap dump if _all is false 298 // This helps reduces the amount of unreachable objects in the dump 299 // and makes it easier to browse. 300 HeapDumper dumper(!_all.value() /* request GC if _all is false*/); 301 int res = dumper.dump(_filename.value()); 302 if (res == 0) { 303 output()->print_cr("Heap dump file created"); 304 } else { 305 // heap dump failed 306 ResourceMark rm; 307 char* error = dumper.error_as_C_string(); 308 if (error == NULL) { 309 output()->print_cr("Dump failed - reason unknown"); 310 } else { 311 output()->print_cr("%s", error); 312 } 313 } 314 } 315 316 int HeapDumpDCmd::num_arguments() { 317 ResourceMark rm; 318 HeapDumpDCmd* dcmd = new HeapDumpDCmd(NULL, false); 319 if (dcmd != NULL) { 320 DCmdMark mark(dcmd); 321 return dcmd->_dcmdparser.num_arguments(); 322 } else { 323 return 0; 324 } 325 } 326 327 ClassHistogramDCmd::ClassHistogramDCmd(outputStream* output, bool heap) : 328 DCmdWithParser(output, heap), 329 _all("-all", "Inspect all objects, including unreachable objects", 330 "BOOLEAN", false, "false") { 331 _dcmdparser.add_dcmd_option(&_all); 332 } 333 334 void ClassHistogramDCmd::execute(DCmdSource source, TRAPS) { 335 VM_GC_HeapInspection heapop(output(), 336 !_all.value() /* request full gc if false */); 337 VMThread::execute(&heapop); 338 } 339 340 int ClassHistogramDCmd::num_arguments() { 341 ResourceMark rm; 342 ClassHistogramDCmd* dcmd = new ClassHistogramDCmd(NULL, false); 343 if (dcmd != NULL) { 344 DCmdMark mark(dcmd); 345 return dcmd->_dcmdparser.num_arguments(); 346 } else { 347 return 0; 348 } 349 } 350 351 #define DEFAULT_COLUMNS "InstBytes,KlassBytes,CpAll,annotations,MethodCount,Bytecodes,MethodAll,ROAll,RWAll,Total" 352 ClassStatsDCmd::ClassStatsDCmd(outputStream* output, bool heap) : 353 DCmdWithParser(output, heap), 354 _csv("-csv", "Print in CSV (comma-separated values) format for spreadsheets", 355 "BOOLEAN", false, "false"), 356 _all("-all", "Show all columns", 357 "BOOLEAN", false, "false"), 358 _help("-help", "Show meaning of all the columns", 359 "BOOLEAN", false, "false"), 360 _columns("columns", "Comma-separated list of all the columns to show. " 361 "If not specified, the following columns are shown: " DEFAULT_COLUMNS, 362 "STRING", false) { 363 _dcmdparser.add_dcmd_option(&_all); 364 _dcmdparser.add_dcmd_option(&_csv); 365 _dcmdparser.add_dcmd_option(&_help); 366 _dcmdparser.add_dcmd_argument(&_columns); 367 } 368 369 void ClassStatsDCmd::execute(DCmdSource source, TRAPS) { 370 if (!UnlockDiagnosticVMOptions) { 371 output()->print_cr("GC.class_stats command requires -XX:+UnlockDiagnosticVMOptions"); 372 return; 373 } 374 375 VM_GC_HeapInspection heapop(output(), 376 true /* request_full_gc */); 377 heapop.set_csv_format(_csv.value()); 378 heapop.set_print_help(_help.value()); 379 heapop.set_print_class_stats(true); 380 if (_all.value()) { 381 if (_columns.has_value()) { 382 output()->print_cr("Cannot specify -all and individual columns at the same time"); 383 return; 384 } else { 385 heapop.set_columns(NULL); 386 } 387 } else { 388 if (_columns.has_value()) { 389 heapop.set_columns(_columns.value()); 390 } else { 391 heapop.set_columns(DEFAULT_COLUMNS); 392 } 393 } 394 VMThread::execute(&heapop); 395 } 396 397 int ClassStatsDCmd::num_arguments() { 398 ResourceMark rm; 399 ClassStatsDCmd* dcmd = new ClassStatsDCmd(NULL, false); 400 if (dcmd != NULL) { 401 DCmdMark mark(dcmd); 402 return dcmd->_dcmdparser.num_arguments(); 403 } else { 404 return 0; 405 } 406 } 407 #endif // INCLUDE_SERVICES 408 409 ThreadDumpDCmd::ThreadDumpDCmd(outputStream* output, bool heap) : 410 DCmdWithParser(output, heap), 411 _locks("-l", "print java.util.concurrent locks", "BOOLEAN", false, "false") { 412 _dcmdparser.add_dcmd_option(&_locks); 413 } 414 415 void ThreadDumpDCmd::execute(DCmdSource source, TRAPS) { 416 // thread stacks 417 VM_PrintThreads op1(output(), _locks.value()); 418 VMThread::execute(&op1); 419 420 // JNI global handles 421 VM_PrintJNI op2(output()); 422 VMThread::execute(&op2); 423 424 // Deadlock detection 425 VM_FindDeadlocks op3(output()); 426 VMThread::execute(&op3); 427 } 428 429 int ThreadDumpDCmd::num_arguments() { 430 ResourceMark rm; 431 ThreadDumpDCmd* dcmd = new ThreadDumpDCmd(NULL, false); 432 if (dcmd != NULL) { 433 DCmdMark mark(dcmd); 434 return dcmd->_dcmdparser.num_arguments(); 435 } else { 436 return 0; 437 } 438 } 439 440 // Enhanced JMX Agent support 441 442 JMXStartRemoteDCmd::JMXStartRemoteDCmd(outputStream *output, bool heap_allocated) : 443 444 DCmdWithParser(output, heap_allocated), 445 446 _config_file 447 ("config.file", 448 "set com.sun.management.config.file", "STRING", false), 449 450 _jmxremote_port 451 ("jmxremote.port", 452 "set com.sun.management.jmxremote.port", "STRING", false), 453 454 _jmxremote_rmi_port 455 ("jmxremote.rmi.port", 456 "set com.sun.management.jmxremote.rmi.port", "STRING", false), 457 458 _jmxremote_ssl 459 ("jmxremote.ssl", 460 "set com.sun.management.jmxremote.ssl", "STRING", false), 461 462 _jmxremote_registry_ssl 463 ("jmxremote.registry.ssl", 464 "set com.sun.management.jmxremote.registry.ssl", "STRING", false), 465 466 _jmxremote_authenticate 467 ("jmxremote.authenticate", 468 "set com.sun.management.jmxremote.authenticate", "STRING", false), 469 470 _jmxremote_password_file 471 ("jmxremote.password.file", 472 "set com.sun.management.jmxremote.password.file", "STRING", false), 473 474 _jmxremote_access_file 475 ("jmxremote.access.file", 476 "set com.sun.management.jmxremote.access.file", "STRING", false), 477 478 _jmxremote_login_config 479 ("jmxremote.login.config", 480 "set com.sun.management.jmxremote.login.config", "STRING", false), 481 482 _jmxremote_ssl_enabled_cipher_suites 483 ("jmxremote.ssl.enabled.cipher.suites", 484 "set com.sun.management.jmxremote.ssl.enabled.cipher.suite", "STRING", false), 485 486 _jmxremote_ssl_enabled_protocols 487 ("jmxremote.ssl.enabled.protocols", 488 "set com.sun.management.jmxremote.ssl.enabled.protocols", "STRING", false), 489 490 _jmxremote_ssl_need_client_auth 491 ("jmxremote.ssl.need.client.auth", 492 "set com.sun.management.jmxremote.need.client.auth", "STRING", false), 493 494 _jmxremote_ssl_config_file 495 ("jmxremote.ssl.config.file", 496 "set com.sun.management.jmxremote.ssl_config_file", "STRING", false), 497 498 // JDP Protocol support 499 _jmxremote_autodiscovery 500 ("jmxremote.autodiscovery", 501 "set com.sun.management.jmxremote.autodiscovery", "STRING", false), 502 503 _jdp_port 504 ("jdp.port", 505 "set com.sun.management.jdp.port", "INT", false), 506 507 _jdp_address 508 ("jdp.address", 509 "set com.sun.management.jdp.address", "STRING", false), 510 511 _jdp_source_addr 512 ("jdp.source_addr", 513 "set com.sun.management.jdp.source_addr", "STRING", false), 514 515 _jdp_ttl 516 ("jdp.ttl", 517 "set com.sun.management.jdp.ttl", "INT", false), 518 519 _jdp_pause 520 ("jdp.pause", 521 "set com.sun.management.jdp.pause", "INT", false), 522 523 _jdp_name 524 ("jdp.name", 525 "set com.sun.management.jdp.name", "STRING", false) 526 527 { 528 _dcmdparser.add_dcmd_option(&_config_file); 529 _dcmdparser.add_dcmd_option(&_jmxremote_port); 530 _dcmdparser.add_dcmd_option(&_jmxremote_rmi_port); 531 _dcmdparser.add_dcmd_option(&_jmxremote_ssl); 532 _dcmdparser.add_dcmd_option(&_jmxremote_registry_ssl); 533 _dcmdparser.add_dcmd_option(&_jmxremote_authenticate); 534 _dcmdparser.add_dcmd_option(&_jmxremote_password_file); 535 _dcmdparser.add_dcmd_option(&_jmxremote_access_file); 536 _dcmdparser.add_dcmd_option(&_jmxremote_login_config); 537 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_cipher_suites); 538 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_protocols); 539 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_need_client_auth); 540 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_config_file); 541 _dcmdparser.add_dcmd_option(&_jmxremote_autodiscovery); 542 _dcmdparser.add_dcmd_option(&_jdp_port); 543 _dcmdparser.add_dcmd_option(&_jdp_address); 544 _dcmdparser.add_dcmd_option(&_jdp_source_addr); 545 _dcmdparser.add_dcmd_option(&_jdp_ttl); 546 _dcmdparser.add_dcmd_option(&_jdp_pause); 547 _dcmdparser.add_dcmd_option(&_jdp_name); 548 } 549 550 551 int JMXStartRemoteDCmd::num_arguments() { 552 ResourceMark rm; 553 JMXStartRemoteDCmd* dcmd = new JMXStartRemoteDCmd(NULL, false); 554 if (dcmd != NULL) { 555 DCmdMark mark(dcmd); 556 return dcmd->_dcmdparser.num_arguments(); 557 } else { 558 return 0; 559 } 560 } 561 562 563 void JMXStartRemoteDCmd::execute(DCmdSource source, TRAPS) { 564 ResourceMark rm(THREAD); 565 HandleMark hm(THREAD); 566 567 // Load and initialize the sun.management.Agent class 568 // invoke startRemoteManagementAgent(string) method to start 569 // the remote management server. 570 // throw java.lang.NoSuchMethodError if the method doesn't exist 571 572 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader()); 573 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK); 574 instanceKlassHandle ik (THREAD, k); 575 576 JavaValue result(T_VOID); 577 578 // Pass all command line arguments to java as key=value,... 579 // All checks are done on java side 580 581 int len = 0; 582 stringStream options; 583 char comma[2] = {0,0}; 584 585 // Leave default values on Agent.class side and pass only 586 // agruments explicitly set by user. All arguments passed 587 // to jcmd override properties with the same name set by 588 // command line with -D or by managmenent.properties 589 // file. 590 #define PUT_OPTION(a) \ 591 if ( (a).is_set() ){ \ 592 options.print(\ 593 ( *((a).type()) == 'I' ) ? "%scom.sun.management.%s=%d" : "%scom.sun.management.%s=%s",\ 594 comma, (a).name(), (a).value()); \ 595 comma[0] = ','; \ 596 } 597 598 PUT_OPTION(_config_file); 599 PUT_OPTION(_jmxremote_port); 600 PUT_OPTION(_jmxremote_rmi_port); 601 PUT_OPTION(_jmxremote_ssl); 602 PUT_OPTION(_jmxremote_registry_ssl); 603 PUT_OPTION(_jmxremote_authenticate); 604 PUT_OPTION(_jmxremote_password_file); 605 PUT_OPTION(_jmxremote_access_file); 606 PUT_OPTION(_jmxremote_login_config); 607 PUT_OPTION(_jmxremote_ssl_enabled_cipher_suites); 608 PUT_OPTION(_jmxremote_ssl_enabled_protocols); 609 PUT_OPTION(_jmxremote_ssl_need_client_auth); 610 PUT_OPTION(_jmxremote_ssl_config_file); 611 PUT_OPTION(_jmxremote_autodiscovery); 612 PUT_OPTION(_jdp_port); 613 PUT_OPTION(_jdp_address); 614 PUT_OPTION(_jdp_source_addr); 615 PUT_OPTION(_jdp_ttl); 616 PUT_OPTION(_jdp_pause); 617 PUT_OPTION(_jdp_name); 618 619 #undef PUT_OPTION 620 621 Handle str = java_lang_String::create_from_str(options.as_string(), CHECK); 622 JavaCalls::call_static(&result, ik, vmSymbols::startRemoteAgent_name(), vmSymbols::string_void_signature(), str, CHECK); 623 } 624 625 JMXStartLocalDCmd::JMXStartLocalDCmd(outputStream *output, bool heap_allocated) : 626 DCmd(output, heap_allocated) { 627 // do nothing 628 } 629 630 void JMXStartLocalDCmd::execute(DCmdSource source, TRAPS) { 631 ResourceMark rm(THREAD); 632 HandleMark hm(THREAD); 633 634 // Load and initialize the sun.management.Agent class 635 // invoke startLocalManagementAgent(void) method to start 636 // the local management server 637 // throw java.lang.NoSuchMethodError if method doesn't exist 638 639 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader()); 640 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK); 641 instanceKlassHandle ik (THREAD, k); 642 643 JavaValue result(T_VOID); 644 JavaCalls::call_static(&result, ik, vmSymbols::startLocalAgent_name(), vmSymbols::void_method_signature(), CHECK); 645 } 646 647 void JMXStopRemoteDCmd::execute(DCmdSource source, TRAPS) { 648 ResourceMark rm(THREAD); 649 HandleMark hm(THREAD); 650 651 // Load and initialize the sun.management.Agent class 652 // invoke stopRemoteManagementAgent method to stop the 653 // management server 654 // throw java.lang.NoSuchMethodError if method doesn't exist 655 656 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader()); 657 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK); 658 instanceKlassHandle ik (THREAD, k); 659 660 JavaValue result(T_VOID); 661 JavaCalls::call_static(&result, ik, vmSymbols::stopRemoteAgent_name(), vmSymbols::void_method_signature(), CHECK); 662 } 663 664 VMDynamicLibrariesDCmd::VMDynamicLibrariesDCmd(outputStream *output, bool heap_allocated) : 665 DCmd(output, heap_allocated) { 666 // do nothing 667 } 668 669 void VMDynamicLibrariesDCmd::execute(DCmdSource source, TRAPS) { 670 os::print_dll_info(output()); 671 output()->cr(); 672 } 673 674 void RotateGCLogDCmd::execute(DCmdSource source, TRAPS) { 675 if (UseGCLogFileRotation) { 676 VM_RotateGCLog rotateop(output()); 677 VMThread::execute(&rotateop); 678 } else { 679 output()->print_cr("Target VM does not support GC log file rotation."); 680 } 681 } 682 683 void CompileQueueDCmd::execute(DCmdSource source, TRAPS) { 684 VM_PrintCompileQueue printCompileQueueOp(output()); 685 VMThread::execute(&printCompileQueueOp); 686 } 687 688 void CodeListDCmd::execute(DCmdSource source, TRAPS) { 689 VM_PrintCodeList printCodeListOp(output()); 690 VMThread::execute(&printCodeListOp); 691 } 692 693 void CodeCacheDCmd::execute(DCmdSource source, TRAPS) { 694 VM_PrintCodeCache printCodeCacheOp(output()); 695 VMThread::execute(&printCodeCacheOp); 696 } 697