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