diagnosticCommand.cpp revision 9607:c8e212fb27d0
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 "compiler/compileBroker.hpp" 29#include "compiler/directivesParser.hpp" 30#include "gc/shared/vmGCOperations.hpp" 31#include "oops/oop.inline.hpp" 32#include "runtime/globals.hpp" 33#include "runtime/javaCalls.hpp" 34#include "runtime/os.hpp" 35#include "services/diagnosticArgument.hpp" 36#include "services/diagnosticCommand.hpp" 37#include "services/diagnosticFramework.hpp" 38#include "services/heapDumper.hpp" 39#include "services/management.hpp" 40#include "services/writeableFlags.hpp" 41#include "utilities/macros.hpp" 42#include "oops/objArrayOop.inline.hpp" 43 44void DCmdRegistrant::register_dcmds(){ 45 // Registration of the diagnostic commands 46 // First argument specifies which interfaces will export the command 47 // Second argument specifies if the command is enabled 48 // Third argument specifies if the command is hidden 49 uint32_t full_export = DCmd_Source_Internal | DCmd_Source_AttachAPI 50 | DCmd_Source_MBean; 51 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HelpDCmd>(full_export, true, false)); 52 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VersionDCmd>(full_export, true, false)); 53 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CommandLineDCmd>(full_export, true, false)); 54 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintSystemPropertiesDCmd>(full_export, true, false)); 55 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintVMFlagsDCmd>(full_export, true, false)); 56 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SetVMFlagDCmd>(full_export, true, false)); 57 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMDynamicLibrariesDCmd>(full_export, true, false)); 58 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMUptimeDCmd>(full_export, true, false)); 59 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMInfoDCmd>(full_export, true, false)); 60 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SystemGCDCmd>(full_export, true, false)); 61 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RunFinalizationDCmd>(full_export, true, false)); 62 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HeapInfoDCmd>(full_export, true, false)); 63 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<FinalizerInfoDCmd>(full_export, true, false)); 64#if INCLUDE_SERVICES // Heap dumping/inspection supported 65 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HeapDumpDCmd>(DCmd_Source_Internal | DCmd_Source_AttachAPI, true, false)); 66 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassHistogramDCmd>(full_export, true, false)); 67 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassStatsDCmd>(full_export, true, false)); 68 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassHierarchyDCmd>(full_export, true, false)); 69 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SymboltableDCmd>(full_export, true, false)); 70 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<StringtableDCmd>(full_export, true, false)); 71#endif // INCLUDE_SERVICES 72#if INCLUDE_JVMTI 73 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JVMTIDataDumpDCmd>(full_export, true, false)); 74#endif // INCLUDE_JVMTI 75 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ThreadDumpDCmd>(full_export, true, false)); 76 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RotateGCLogDCmd>(full_export, true, false)); 77 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassLoaderStatsDCmd>(full_export, true, false)); 78 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompileQueueDCmd>(full_export, true, false)); 79 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeListDCmd>(full_export, true, false)); 80 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeCacheDCmd>(full_export, true, false)); 81 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<TouchedMethodsDCmd>(full_export, true, false)); 82 83 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompilerDirectivesPrintDCmd>(full_export, true, false)); 84 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompilerDirectivesAddDCmd>(full_export, true, false)); 85 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompilerDirectivesRemoveDCmd>(full_export, true, false)); 86 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompilerDirectivesClearDCmd>(full_export, true, false)); 87 88 // Enhanced JMX Agent Support 89 // These commands won't be exported via the DiagnosticCommandMBean until an 90 // appropriate permission is created for them 91 uint32_t jmx_agent_export_flags = DCmd_Source_Internal | DCmd_Source_AttachAPI; 92 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartRemoteDCmd>(jmx_agent_export_flags, true,false)); 93 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartLocalDCmd>(jmx_agent_export_flags, true,false)); 94 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStopRemoteDCmd>(jmx_agent_export_flags, true,false)); 95 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStatusDCmd>(jmx_agent_export_flags, true,false)); 96 97} 98 99#ifndef HAVE_EXTRA_DCMD 100void DCmdRegistrant::register_dcmds_ext(){ 101 // Do nothing here 102} 103#endif 104 105 106HelpDCmd::HelpDCmd(outputStream* output, bool heap) : DCmdWithParser(output, heap), 107 _all("-all", "Show help for all commands", "BOOLEAN", false, "false"), 108 _cmd("command name", "The name of the command for which we want help", 109 "STRING", false) { 110 _dcmdparser.add_dcmd_option(&_all); 111 _dcmdparser.add_dcmd_argument(&_cmd); 112}; 113 114void HelpDCmd::execute(DCmdSource source, TRAPS) { 115 if (_all.value()) { 116 GrowableArray<const char*>* cmd_list = DCmdFactory::DCmd_list(source); 117 for (int i = 0; i < cmd_list->length(); i++) { 118 DCmdFactory* factory = DCmdFactory::factory(source, cmd_list->at(i), 119 strlen(cmd_list->at(i))); 120 output()->print_cr("%s%s", factory->name(), 121 factory->is_enabled() ? "" : " [disabled]"); 122 output()->print_cr("\t%s", factory->description()); 123 output()->cr(); 124 factory = factory->next(); 125 } 126 } else if (_cmd.has_value()) { 127 DCmd* cmd = NULL; 128 DCmdFactory* factory = DCmdFactory::factory(source, _cmd.value(), 129 strlen(_cmd.value())); 130 if (factory != NULL) { 131 output()->print_cr("%s%s", factory->name(), 132 factory->is_enabled() ? "" : " [disabled]"); 133 output()->print_cr("%s", factory->description()); 134 output()->print_cr("\nImpact: %s", factory->impact()); 135 JavaPermission p = factory->permission(); 136 if(p._class != NULL) { 137 if(p._action != NULL) { 138 output()->print_cr("\nPermission: %s(%s, %s)", 139 p._class, p._name == NULL ? "null" : p._name, p._action); 140 } else { 141 output()->print_cr("\nPermission: %s(%s)", 142 p._class, p._name == NULL ? "null" : p._name); 143 } 144 } 145 output()->cr(); 146 cmd = factory->create_resource_instance(output()); 147 if (cmd != NULL) { 148 DCmdMark mark(cmd); 149 cmd->print_help(factory->name()); 150 } 151 } else { 152 output()->print_cr("Help unavailable : '%s' : No such command", _cmd.value()); 153 } 154 } else { 155 output()->print_cr("The following commands are available:"); 156 GrowableArray<const char *>* cmd_list = DCmdFactory::DCmd_list(source); 157 for (int i = 0; i < cmd_list->length(); i++) { 158 DCmdFactory* factory = DCmdFactory::factory(source, cmd_list->at(i), 159 strlen(cmd_list->at(i))); 160 output()->print_cr("%s%s", factory->name(), 161 factory->is_enabled() ? "" : " [disabled]"); 162 factory = factory->_next; 163 } 164 output()->print_cr("\nFor more information about a specific command use 'help <command>'."); 165 } 166} 167 168int HelpDCmd::num_arguments() { 169 ResourceMark rm; 170 HelpDCmd* dcmd = new HelpDCmd(NULL, false); 171 if (dcmd != NULL) { 172 DCmdMark mark(dcmd); 173 return dcmd->_dcmdparser.num_arguments(); 174 } else { 175 return 0; 176 } 177} 178 179void VersionDCmd::execute(DCmdSource source, TRAPS) { 180 output()->print_cr("%s version %s", Abstract_VM_Version::vm_name(), 181 Abstract_VM_Version::vm_release()); 182 JDK_Version jdk_version = JDK_Version::current(); 183 if (jdk_version.patch_version() > 0) { 184 output()->print_cr("JDK %d.%d.%d.%d", jdk_version.major_version(), 185 jdk_version.minor_version(), jdk_version.security_version(), 186 jdk_version.patch_version()); 187 } else { 188 output()->print_cr("JDK %d.%d.%d", jdk_version.major_version(), 189 jdk_version.minor_version(), jdk_version.security_version()); 190 } 191} 192 193PrintVMFlagsDCmd::PrintVMFlagsDCmd(outputStream* output, bool heap) : 194 DCmdWithParser(output, heap), 195 _all("-all", "Print all flags supported by the VM", "BOOLEAN", false, "false") { 196 _dcmdparser.add_dcmd_option(&_all); 197} 198 199void PrintVMFlagsDCmd::execute(DCmdSource source, TRAPS) { 200 if (_all.value()) { 201 CommandLineFlags::printFlags(output(), true); 202 } else { 203 CommandLineFlags::printSetFlags(output()); 204 } 205} 206 207int PrintVMFlagsDCmd::num_arguments() { 208 ResourceMark rm; 209 PrintVMFlagsDCmd* dcmd = new PrintVMFlagsDCmd(NULL, false); 210 if (dcmd != NULL) { 211 DCmdMark mark(dcmd); 212 return dcmd->_dcmdparser.num_arguments(); 213 } else { 214 return 0; 215 } 216} 217 218SetVMFlagDCmd::SetVMFlagDCmd(outputStream* output, bool heap) : 219 DCmdWithParser(output, heap), 220 _flag("flag name", "The name of the flag we want to set", 221 "STRING", true), 222 _value("string value", "The value we want to set", "STRING", false) { 223 _dcmdparser.add_dcmd_argument(&_flag); 224 _dcmdparser.add_dcmd_argument(&_value); 225} 226 227void SetVMFlagDCmd::execute(DCmdSource source, TRAPS) { 228 const char* val = NULL; 229 if (_value.value() != NULL) { 230 val = _value.value(); 231 } 232 233 FormatBuffer<80> err_msg("%s", ""); 234 int ret = WriteableFlags::set_flag(_flag.value(), val, Flag::MANAGEMENT, err_msg); 235 236 if (ret != Flag::SUCCESS) { 237 output()->print_cr("%s", err_msg.buffer()); 238 } 239} 240 241int SetVMFlagDCmd::num_arguments() { 242 ResourceMark rm; 243 SetVMFlagDCmd* dcmd = new SetVMFlagDCmd(NULL, false); 244 if (dcmd != NULL) { 245 DCmdMark mark(dcmd); 246 return dcmd->_dcmdparser.num_arguments(); 247 } else { 248 return 0; 249 } 250} 251 252void JVMTIDataDumpDCmd::execute(DCmdSource source, TRAPS) { 253 if (JvmtiExport::should_post_data_dump()) { 254 JvmtiExport::post_data_dump(); 255 } 256} 257 258void PrintSystemPropertiesDCmd::execute(DCmdSource source, TRAPS) { 259 // load sun.misc.VMSupport 260 Symbol* klass = vmSymbols::sun_misc_VMSupport(); 261 Klass* k = SystemDictionary::resolve_or_fail(klass, true, CHECK); 262 instanceKlassHandle ik (THREAD, k); 263 if (ik->should_be_initialized()) { 264 ik->initialize(THREAD); 265 } 266 if (HAS_PENDING_EXCEPTION) { 267 java_lang_Throwable::print(PENDING_EXCEPTION, output()); 268 output()->cr(); 269 CLEAR_PENDING_EXCEPTION; 270 return; 271 } 272 273 // invoke the serializePropertiesToByteArray method 274 JavaValue result(T_OBJECT); 275 JavaCallArguments args; 276 277 Symbol* signature = vmSymbols::serializePropertiesToByteArray_signature(); 278 JavaCalls::call_static(&result, 279 ik, 280 vmSymbols::serializePropertiesToByteArray_name(), 281 signature, 282 &args, 283 THREAD); 284 if (HAS_PENDING_EXCEPTION) { 285 java_lang_Throwable::print(PENDING_EXCEPTION, output()); 286 output()->cr(); 287 CLEAR_PENDING_EXCEPTION; 288 return; 289 } 290 291 // The result should be a [B 292 oop res = (oop)result.get_jobject(); 293 assert(res->is_typeArray(), "just checking"); 294 assert(TypeArrayKlass::cast(res->klass())->element_type() == T_BYTE, "just checking"); 295 296 // copy the bytes to the output stream 297 typeArrayOop ba = typeArrayOop(res); 298 jbyte* addr = typeArrayOop(res)->byte_at_addr(0); 299 output()->print_raw((const char*)addr, ba->length()); 300} 301 302VMUptimeDCmd::VMUptimeDCmd(outputStream* output, bool heap) : 303 DCmdWithParser(output, heap), 304 _date("-date", "Add a prefix with current date", "BOOLEAN", false, "false") { 305 _dcmdparser.add_dcmd_option(&_date); 306} 307 308void VMUptimeDCmd::execute(DCmdSource source, TRAPS) { 309 if (_date.value()) { 310 output()->date_stamp(true, "", ": "); 311 } 312 output()->time_stamp().update_to(tty->time_stamp().ticks()); 313 output()->stamp(); 314 output()->print_cr(" s"); 315} 316 317int VMUptimeDCmd::num_arguments() { 318 ResourceMark rm; 319 VMUptimeDCmd* dcmd = new VMUptimeDCmd(NULL, false); 320 if (dcmd != NULL) { 321 DCmdMark mark(dcmd); 322 return dcmd->_dcmdparser.num_arguments(); 323 } else { 324 return 0; 325 } 326} 327 328void VMInfoDCmd::execute(DCmdSource source, TRAPS) { 329 VMError::print_vm_info(_output); 330} 331 332void SystemGCDCmd::execute(DCmdSource source, TRAPS) { 333 if (!DisableExplicitGC) { 334 Universe::heap()->collect(GCCause::_dcmd_gc_run); 335 } else { 336 output()->print_cr("Explicit GC is disabled, no GC has been performed."); 337 } 338} 339 340void RunFinalizationDCmd::execute(DCmdSource source, TRAPS) { 341 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_System(), 342 true, CHECK); 343 instanceKlassHandle klass(THREAD, k); 344 JavaValue result(T_VOID); 345 JavaCalls::call_static(&result, klass, 346 vmSymbols::run_finalization_name(), 347 vmSymbols::void_method_signature(), CHECK); 348} 349 350void HeapInfoDCmd::execute(DCmdSource source, TRAPS) { 351 Universe::heap()->print_on(output()); 352} 353 354void FinalizerInfoDCmd::execute(DCmdSource source, TRAPS) { 355 ResourceMark rm; 356 357 358 Klass* k = SystemDictionary::resolve_or_null( 359 vmSymbols::finalizer_histogram_klass(), THREAD); 360 assert(k != NULL, "FinalizerHistogram class is not accessible"); 361 362 instanceKlassHandle klass(THREAD, k); 363 JavaValue result(T_ARRAY); 364 365 // We are calling lang.ref.FinalizerHistogram.getFinalizerHistogram() method 366 // and expect it to return array of FinalizerHistogramEntry as Object[] 367 368 JavaCalls::call_static(&result, klass, 369 vmSymbols::get_finalizer_histogram_name(), 370 vmSymbols::void_finalizer_histogram_entry_array_signature(), CHECK); 371 372 objArrayOop result_oop = (objArrayOop) result.get_jobject(); 373 if (result_oop->length() == 0) { 374 output()->print_cr("No instances waiting for finalization found"); 375 return; 376 } 377 378 oop foop = result_oop->obj_at(0); 379 InstanceKlass* ik = InstanceKlass::cast(foop->klass()); 380 381 fieldDescriptor count_fd, name_fd; 382 383 Klass* count_res = ik->find_field( 384 vmSymbols::finalizer_histogram_entry_count_field(), vmSymbols::int_signature(), &count_fd); 385 386 Klass* name_res = ik->find_field( 387 vmSymbols::finalizer_histogram_entry_name_field(), vmSymbols::string_signature(), &name_fd); 388 389 assert(count_res != NULL && name_res != NULL, "Unexpected layout of FinalizerHistogramEntry"); 390 391 output()->print_cr("Unreachable instances waiting for finalization"); 392 output()->print_cr("#instances class name"); 393 output()->print_cr("-----------------------"); 394 395 for (int i = 0; i < result_oop->length(); ++i) { 396 oop element_oop = result_oop->obj_at(i); 397 oop str_oop = element_oop->obj_field(name_fd.offset()); 398 char *name = java_lang_String::as_utf8_string(str_oop); 399 int count = element_oop->int_field(count_fd.offset()); 400 output()->print_cr("%10d %s", count, name); 401 } 402} 403 404#if INCLUDE_SERVICES // Heap dumping/inspection supported 405HeapDumpDCmd::HeapDumpDCmd(outputStream* output, bool heap) : 406 DCmdWithParser(output, heap), 407 _filename("filename","Name of the dump file", "STRING",true), 408 _all("-all", "Dump all objects, including unreachable objects", 409 "BOOLEAN", false, "false") { 410 _dcmdparser.add_dcmd_option(&_all); 411 _dcmdparser.add_dcmd_argument(&_filename); 412} 413 414void HeapDumpDCmd::execute(DCmdSource source, TRAPS) { 415 // Request a full GC before heap dump if _all is false 416 // This helps reduces the amount of unreachable objects in the dump 417 // and makes it easier to browse. 418 HeapDumper dumper(!_all.value() /* request GC if _all is false*/); 419 int res = dumper.dump(_filename.value()); 420 if (res == 0) { 421 output()->print_cr("Heap dump file created"); 422 } else { 423 // heap dump failed 424 ResourceMark rm; 425 char* error = dumper.error_as_C_string(); 426 if (error == NULL) { 427 output()->print_cr("Dump failed - reason unknown"); 428 } else { 429 output()->print_cr("%s", error); 430 } 431 } 432} 433 434int HeapDumpDCmd::num_arguments() { 435 ResourceMark rm; 436 HeapDumpDCmd* dcmd = new HeapDumpDCmd(NULL, false); 437 if (dcmd != NULL) { 438 DCmdMark mark(dcmd); 439 return dcmd->_dcmdparser.num_arguments(); 440 } else { 441 return 0; 442 } 443} 444 445ClassHistogramDCmd::ClassHistogramDCmd(outputStream* output, bool heap) : 446 DCmdWithParser(output, heap), 447 _all("-all", "Inspect all objects, including unreachable objects", 448 "BOOLEAN", false, "false") { 449 _dcmdparser.add_dcmd_option(&_all); 450} 451 452void ClassHistogramDCmd::execute(DCmdSource source, TRAPS) { 453 VM_GC_HeapInspection heapop(output(), 454 !_all.value() /* request full gc if false */); 455 VMThread::execute(&heapop); 456} 457 458int ClassHistogramDCmd::num_arguments() { 459 ResourceMark rm; 460 ClassHistogramDCmd* dcmd = new ClassHistogramDCmd(NULL, false); 461 if (dcmd != NULL) { 462 DCmdMark mark(dcmd); 463 return dcmd->_dcmdparser.num_arguments(); 464 } else { 465 return 0; 466 } 467} 468 469#define DEFAULT_COLUMNS "InstBytes,KlassBytes,CpAll,annotations,MethodCount,Bytecodes,MethodAll,ROAll,RWAll,Total" 470ClassStatsDCmd::ClassStatsDCmd(outputStream* output, bool heap) : 471 DCmdWithParser(output, heap), 472 _csv("-csv", "Print in CSV (comma-separated values) format for spreadsheets", 473 "BOOLEAN", false, "false"), 474 _all("-all", "Show all columns", 475 "BOOLEAN", false, "false"), 476 _help("-help", "Show meaning of all the columns", 477 "BOOLEAN", false, "false"), 478 _columns("columns", "Comma-separated list of all the columns to show. " 479 "If not specified, the following columns are shown: " DEFAULT_COLUMNS, 480 "STRING", false) { 481 _dcmdparser.add_dcmd_option(&_all); 482 _dcmdparser.add_dcmd_option(&_csv); 483 _dcmdparser.add_dcmd_option(&_help); 484 _dcmdparser.add_dcmd_argument(&_columns); 485} 486 487void ClassStatsDCmd::execute(DCmdSource source, TRAPS) { 488 if (!UnlockDiagnosticVMOptions) { 489 output()->print_cr("GC.class_stats command requires -XX:+UnlockDiagnosticVMOptions"); 490 return; 491 } 492 493 VM_GC_HeapInspection heapop(output(), 494 true /* request_full_gc */); 495 heapop.set_csv_format(_csv.value()); 496 heapop.set_print_help(_help.value()); 497 heapop.set_print_class_stats(true); 498 if (_all.value()) { 499 if (_columns.has_value()) { 500 output()->print_cr("Cannot specify -all and individual columns at the same time"); 501 return; 502 } else { 503 heapop.set_columns(NULL); 504 } 505 } else { 506 if (_columns.has_value()) { 507 heapop.set_columns(_columns.value()); 508 } else { 509 heapop.set_columns(DEFAULT_COLUMNS); 510 } 511 } 512 VMThread::execute(&heapop); 513} 514 515int ClassStatsDCmd::num_arguments() { 516 ResourceMark rm; 517 ClassStatsDCmd* dcmd = new ClassStatsDCmd(NULL, false); 518 if (dcmd != NULL) { 519 DCmdMark mark(dcmd); 520 return dcmd->_dcmdparser.num_arguments(); 521 } else { 522 return 0; 523 } 524} 525#endif // INCLUDE_SERVICES 526 527ThreadDumpDCmd::ThreadDumpDCmd(outputStream* output, bool heap) : 528 DCmdWithParser(output, heap), 529 _locks("-l", "print java.util.concurrent locks", "BOOLEAN", false, "false") { 530 _dcmdparser.add_dcmd_option(&_locks); 531} 532 533void ThreadDumpDCmd::execute(DCmdSource source, TRAPS) { 534 // thread stacks 535 VM_PrintThreads op1(output(), _locks.value()); 536 VMThread::execute(&op1); 537 538 // JNI global handles 539 VM_PrintJNI op2(output()); 540 VMThread::execute(&op2); 541 542 // Deadlock detection 543 VM_FindDeadlocks op3(output()); 544 VMThread::execute(&op3); 545} 546 547int ThreadDumpDCmd::num_arguments() { 548 ResourceMark rm; 549 ThreadDumpDCmd* dcmd = new ThreadDumpDCmd(NULL, false); 550 if (dcmd != NULL) { 551 DCmdMark mark(dcmd); 552 return dcmd->_dcmdparser.num_arguments(); 553 } else { 554 return 0; 555 } 556} 557 558// Enhanced JMX Agent support 559 560JMXStartRemoteDCmd::JMXStartRemoteDCmd(outputStream *output, bool heap_allocated) : 561 562 DCmdWithParser(output, heap_allocated), 563 564 _config_file 565 ("config.file", 566 "set com.sun.management.config.file", "STRING", false), 567 568 _jmxremote_port 569 ("jmxremote.port", 570 "set com.sun.management.jmxremote.port", "STRING", false), 571 572 _jmxremote_rmi_port 573 ("jmxremote.rmi.port", 574 "set com.sun.management.jmxremote.rmi.port", "STRING", false), 575 576 _jmxremote_ssl 577 ("jmxremote.ssl", 578 "set com.sun.management.jmxremote.ssl", "STRING", false), 579 580 _jmxremote_registry_ssl 581 ("jmxremote.registry.ssl", 582 "set com.sun.management.jmxremote.registry.ssl", "STRING", false), 583 584 _jmxremote_authenticate 585 ("jmxremote.authenticate", 586 "set com.sun.management.jmxremote.authenticate", "STRING", false), 587 588 _jmxremote_password_file 589 ("jmxremote.password.file", 590 "set com.sun.management.jmxremote.password.file", "STRING", false), 591 592 _jmxremote_access_file 593 ("jmxremote.access.file", 594 "set com.sun.management.jmxremote.access.file", "STRING", false), 595 596 _jmxremote_login_config 597 ("jmxremote.login.config", 598 "set com.sun.management.jmxremote.login.config", "STRING", false), 599 600 _jmxremote_ssl_enabled_cipher_suites 601 ("jmxremote.ssl.enabled.cipher.suites", 602 "set com.sun.management.jmxremote.ssl.enabled.cipher.suite", "STRING", false), 603 604 _jmxremote_ssl_enabled_protocols 605 ("jmxremote.ssl.enabled.protocols", 606 "set com.sun.management.jmxremote.ssl.enabled.protocols", "STRING", false), 607 608 _jmxremote_ssl_need_client_auth 609 ("jmxremote.ssl.need.client.auth", 610 "set com.sun.management.jmxremote.need.client.auth", "STRING", false), 611 612 _jmxremote_ssl_config_file 613 ("jmxremote.ssl.config.file", 614 "set com.sun.management.jmxremote.ssl_config_file", "STRING", false), 615 616// JDP Protocol support 617 _jmxremote_autodiscovery 618 ("jmxremote.autodiscovery", 619 "set com.sun.management.jmxremote.autodiscovery", "STRING", false), 620 621 _jdp_port 622 ("jdp.port", 623 "set com.sun.management.jdp.port", "INT", false), 624 625 _jdp_address 626 ("jdp.address", 627 "set com.sun.management.jdp.address", "STRING", false), 628 629 _jdp_source_addr 630 ("jdp.source_addr", 631 "set com.sun.management.jdp.source_addr", "STRING", false), 632 633 _jdp_ttl 634 ("jdp.ttl", 635 "set com.sun.management.jdp.ttl", "INT", false), 636 637 _jdp_pause 638 ("jdp.pause", 639 "set com.sun.management.jdp.pause", "INT", false), 640 641 _jdp_name 642 ("jdp.name", 643 "set com.sun.management.jdp.name", "STRING", false) 644 645 { 646 _dcmdparser.add_dcmd_option(&_config_file); 647 _dcmdparser.add_dcmd_option(&_jmxremote_port); 648 _dcmdparser.add_dcmd_option(&_jmxremote_rmi_port); 649 _dcmdparser.add_dcmd_option(&_jmxremote_ssl); 650 _dcmdparser.add_dcmd_option(&_jmxremote_registry_ssl); 651 _dcmdparser.add_dcmd_option(&_jmxremote_authenticate); 652 _dcmdparser.add_dcmd_option(&_jmxremote_password_file); 653 _dcmdparser.add_dcmd_option(&_jmxremote_access_file); 654 _dcmdparser.add_dcmd_option(&_jmxremote_login_config); 655 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_cipher_suites); 656 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_protocols); 657 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_need_client_auth); 658 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_config_file); 659 _dcmdparser.add_dcmd_option(&_jmxremote_autodiscovery); 660 _dcmdparser.add_dcmd_option(&_jdp_port); 661 _dcmdparser.add_dcmd_option(&_jdp_address); 662 _dcmdparser.add_dcmd_option(&_jdp_source_addr); 663 _dcmdparser.add_dcmd_option(&_jdp_ttl); 664 _dcmdparser.add_dcmd_option(&_jdp_pause); 665 _dcmdparser.add_dcmd_option(&_jdp_name); 666} 667 668 669int JMXStartRemoteDCmd::num_arguments() { 670 ResourceMark rm; 671 JMXStartRemoteDCmd* dcmd = new JMXStartRemoteDCmd(NULL, false); 672 if (dcmd != NULL) { 673 DCmdMark mark(dcmd); 674 return dcmd->_dcmdparser.num_arguments(); 675 } else { 676 return 0; 677 } 678} 679 680 681void JMXStartRemoteDCmd::execute(DCmdSource source, TRAPS) { 682 ResourceMark rm(THREAD); 683 HandleMark hm(THREAD); 684 685 // Load and initialize the sun.management.Agent class 686 // invoke startRemoteManagementAgent(string) method to start 687 // the remote management server. 688 // throw java.lang.NoSuchMethodError if the method doesn't exist 689 690 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader()); 691 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK); 692 instanceKlassHandle ik (THREAD, k); 693 694 JavaValue result(T_VOID); 695 696 // Pass all command line arguments to java as key=value,... 697 // All checks are done on java side 698 699 int len = 0; 700 stringStream options; 701 char comma[2] = {0,0}; 702 703 // Leave default values on Agent.class side and pass only 704 // agruments explicitly set by user. All arguments passed 705 // to jcmd override properties with the same name set by 706 // command line with -D or by managmenent.properties 707 // file. 708#define PUT_OPTION(a) \ 709 do { \ 710 if ( (a).is_set() ){ \ 711 if ( *((a).type()) == 'I' ) { \ 712 options.print("%scom.sun.management.%s=" JLONG_FORMAT, comma, (a).name(), (jlong)((a).value())); \ 713 } else { \ 714 options.print("%scom.sun.management.%s=%s", comma, (a).name(), (char*)((a).value())); \ 715 } \ 716 comma[0] = ','; \ 717 }\ 718 } while(0); 719 720 721 PUT_OPTION(_config_file); 722 PUT_OPTION(_jmxremote_port); 723 PUT_OPTION(_jmxremote_rmi_port); 724 PUT_OPTION(_jmxremote_ssl); 725 PUT_OPTION(_jmxremote_registry_ssl); 726 PUT_OPTION(_jmxremote_authenticate); 727 PUT_OPTION(_jmxremote_password_file); 728 PUT_OPTION(_jmxremote_access_file); 729 PUT_OPTION(_jmxremote_login_config); 730 PUT_OPTION(_jmxremote_ssl_enabled_cipher_suites); 731 PUT_OPTION(_jmxremote_ssl_enabled_protocols); 732 PUT_OPTION(_jmxremote_ssl_need_client_auth); 733 PUT_OPTION(_jmxremote_ssl_config_file); 734 PUT_OPTION(_jmxremote_autodiscovery); 735 PUT_OPTION(_jdp_port); 736 PUT_OPTION(_jdp_address); 737 PUT_OPTION(_jdp_source_addr); 738 PUT_OPTION(_jdp_ttl); 739 PUT_OPTION(_jdp_pause); 740 PUT_OPTION(_jdp_name); 741 742#undef PUT_OPTION 743 744 Handle str = java_lang_String::create_from_str(options.as_string(), CHECK); 745 JavaCalls::call_static(&result, ik, vmSymbols::startRemoteAgent_name(), vmSymbols::string_void_signature(), str, CHECK); 746} 747 748JMXStartLocalDCmd::JMXStartLocalDCmd(outputStream *output, bool heap_allocated) : 749 DCmd(output, heap_allocated) { 750 // do nothing 751} 752 753void JMXStartLocalDCmd::execute(DCmdSource source, TRAPS) { 754 ResourceMark rm(THREAD); 755 HandleMark hm(THREAD); 756 757 // Load and initialize the sun.management.Agent class 758 // invoke startLocalManagementAgent(void) method to start 759 // the local management server 760 // throw java.lang.NoSuchMethodError if method doesn't exist 761 762 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader()); 763 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK); 764 instanceKlassHandle ik (THREAD, k); 765 766 JavaValue result(T_VOID); 767 JavaCalls::call_static(&result, ik, vmSymbols::startLocalAgent_name(), vmSymbols::void_method_signature(), CHECK); 768} 769 770void JMXStopRemoteDCmd::execute(DCmdSource source, TRAPS) { 771 ResourceMark rm(THREAD); 772 HandleMark hm(THREAD); 773 774 // Load and initialize the sun.management.Agent class 775 // invoke stopRemoteManagementAgent method to stop the 776 // management server 777 // throw java.lang.NoSuchMethodError if method doesn't exist 778 779 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader()); 780 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK); 781 instanceKlassHandle ik (THREAD, k); 782 783 JavaValue result(T_VOID); 784 JavaCalls::call_static(&result, ik, vmSymbols::stopRemoteAgent_name(), vmSymbols::void_method_signature(), CHECK); 785} 786 787JMXStatusDCmd::JMXStatusDCmd(outputStream *output, bool heap_allocated) : 788 DCmd(output, heap_allocated) { 789 // do nothing 790} 791 792void JMXStatusDCmd::execute(DCmdSource source, TRAPS) { 793 ResourceMark rm(THREAD); 794 HandleMark hm(THREAD); 795 796 // Load and initialize the sun.management.Agent class 797 // invoke getManagementAgentStatus() method to generate the status info 798 // throw java.lang.NoSuchMethodError if method doesn't exist 799 800 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader()); 801 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK); 802 instanceKlassHandle ik (THREAD, k); 803 804 JavaValue result(T_OBJECT); 805 JavaCalls::call_static(&result, ik, vmSymbols::getAgentStatus_name(), vmSymbols::void_string_signature(), CHECK); 806 807 jvalue* jv = (jvalue*) result.get_value_addr(); 808 oop str = (oop) jv->l; 809 if (str != NULL) { 810 char* out = java_lang_String::as_utf8_string(str); 811 if (out) { 812 output()->print_cr("%s", out); 813 return; 814 } 815 } 816 output()->print_cr("Error obtaining management agent status"); 817} 818 819VMDynamicLibrariesDCmd::VMDynamicLibrariesDCmd(outputStream *output, bool heap_allocated) : 820 DCmd(output, heap_allocated) { 821 // do nothing 822} 823 824void VMDynamicLibrariesDCmd::execute(DCmdSource source, TRAPS) { 825 os::print_dll_info(output()); 826 output()->cr(); 827} 828 829void RotateGCLogDCmd::execute(DCmdSource source, TRAPS) { 830 if (UseGCLogFileRotation) { 831 VM_RotateGCLog rotateop(output()); 832 VMThread::execute(&rotateop); 833 } else { 834 output()->print_cr("Target VM does not support GC log file rotation."); 835 } 836} 837 838void CompileQueueDCmd::execute(DCmdSource source, TRAPS) { 839 VM_PrintCompileQueue printCompileQueueOp(output()); 840 VMThread::execute(&printCompileQueueOp); 841} 842 843void CodeListDCmd::execute(DCmdSource source, TRAPS) { 844 VM_PrintCodeList printCodeListOp(output()); 845 VMThread::execute(&printCodeListOp); 846} 847 848void CodeCacheDCmd::execute(DCmdSource source, TRAPS) { 849 VM_PrintCodeCache printCodeCacheOp(output()); 850 VMThread::execute(&printCodeCacheOp); 851} 852 853void CompilerDirectivesPrintDCmd::execute(DCmdSource source, TRAPS) { 854 DirectivesStack::print(output()); 855} 856 857CompilerDirectivesAddDCmd::CompilerDirectivesAddDCmd(outputStream* output, bool heap) : 858 DCmdWithParser(output, heap), 859 _filename("filename","Name of the directives file", "STRING",true) { 860 _dcmdparser.add_dcmd_argument(&_filename); 861} 862 863void CompilerDirectivesAddDCmd::execute(DCmdSource source, TRAPS) { 864 DirectivesParser::parse_from_file(_filename.value(), output()); 865} 866 867int CompilerDirectivesAddDCmd::num_arguments() { 868 ResourceMark rm; 869 CompilerDirectivesAddDCmd* dcmd = new CompilerDirectivesAddDCmd(NULL, false); 870 if (dcmd != NULL) { 871 DCmdMark mark(dcmd); 872 return dcmd->_dcmdparser.num_arguments(); 873 } else { 874 return 0; 875 } 876} 877 878void CompilerDirectivesRemoveDCmd::execute(DCmdSource source, TRAPS) { 879 DirectivesStack::pop(); 880} 881 882void CompilerDirectivesClearDCmd::execute(DCmdSource source, TRAPS) { 883 DirectivesStack::clear(); 884} 885#if INCLUDE_SERVICES 886ClassHierarchyDCmd::ClassHierarchyDCmd(outputStream* output, bool heap) : 887 DCmdWithParser(output, heap), 888 _print_interfaces("-i", "Inherited interfaces should be printed.", "BOOLEAN", false, "false"), 889 _print_subclasses("-s", "If a classname is specified, print its subclasses. " 890 "Otherwise only its superclasses are printed.", "BOOLEAN", false, "false"), 891 _classname("classname", "Name of class whose hierarchy should be printed. " 892 "If not specified, all class hierarchies are printed.", 893 "STRING", false) { 894 _dcmdparser.add_dcmd_option(&_print_interfaces); 895 _dcmdparser.add_dcmd_option(&_print_subclasses); 896 _dcmdparser.add_dcmd_argument(&_classname); 897} 898 899void ClassHierarchyDCmd::execute(DCmdSource source, TRAPS) { 900 VM_PrintClassHierarchy printClassHierarchyOp(output(), _print_interfaces.value(), 901 _print_subclasses.value(), _classname.value()); 902 VMThread::execute(&printClassHierarchyOp); 903} 904 905int ClassHierarchyDCmd::num_arguments() { 906 ResourceMark rm; 907 ClassHierarchyDCmd* dcmd = new ClassHierarchyDCmd(NULL, false); 908 if (dcmd != NULL) { 909 DCmdMark mark(dcmd); 910 return dcmd->_dcmdparser.num_arguments(); 911 } else { 912 return 0; 913 } 914} 915 916#endif 917 918class VM_DumpTouchedMethods : public VM_Operation { 919private: 920 outputStream* _out; 921public: 922 VM_DumpTouchedMethods(outputStream* out) { 923 _out = out; 924 } 925 926 virtual VMOp_Type type() const { return VMOp_DumpTouchedMethods; } 927 928 virtual void doit() { 929 Method::print_touched_methods(_out); 930 } 931}; 932 933TouchedMethodsDCmd::TouchedMethodsDCmd(outputStream* output, bool heap) : 934 DCmdWithParser(output, heap) 935{} 936 937void TouchedMethodsDCmd::execute(DCmdSource source, TRAPS) { 938 if (!UnlockDiagnosticVMOptions) { 939 output()->print_cr("VM.touched_methods command requires -XX:+UnlockDiagnosticVMOptions"); 940 return; 941 } 942 VM_DumpTouchedMethods dumper(output()); 943 VMThread::execute(&dumper); 944} 945 946int TouchedMethodsDCmd::num_arguments() { 947 return 0; 948} 949