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/method.hpp"
30 #include "oops/oop.inline.hpp"
31 #include "runtime/javaCalls.hpp"
32 #include "runtime/os.hpp"
33 #include "services/diagnosticArgument.hpp"
34 #include "services/diagnosticCommand.hpp"
35 #include "services/diagnosticFramework.hpp"
36 #include "services/heapDumper.hpp"
37 #include "services/management.hpp"
38 #include "utilities/macros.hpp"
39
40 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
41
42 void DCmdRegistrant::register_dcmds(){
43 // Registration of the diagnostic commands
44 // First argument specifies which interfaces will export the command
45 // Second argument specifies if the command is enabled
46 // Third argument specifies if the command is hidden
47 uint32_t full_export = DCmd_Source_Internal | DCmd_Source_AttachAPI
48 | DCmd_Source_MBean;
49 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HelpDCmd>(full_export, true, false));
50 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VersionDCmd>(full_export, true, false));
51 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CommandLineDCmd>(full_export, true, false));
52 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintSystemPropertiesDCmd>(full_export, true, false));
53 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintVMFlagsDCmd>(full_export, true, false));
54 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMDynamicLibrariesDCmd>(full_export, true, false));
55 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMUptimeDCmd>(full_export, true, false));
56 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SystemGCDCmd>(full_export, true, false));
57 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RunFinalizationDCmd>(full_export, true, false));
58 #if INCLUDE_SERVICES // Heap dumping/inspection supported
59 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HeapDumpDCmd>(DCmd_Source_Internal | DCmd_Source_AttachAPI, true, false));
60 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassHistogramDCmd>(full_export, true, false));
61 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassStatsDCmd>(full_export, true, false));
62 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassHierarchyDCmd>(full_export, true, false));
63 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SymboltableDCmd>(full_export, true, false));
64 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<StringtableDCmd>(full_export, true, false));
65 #endif // INCLUDE_SERVICES
66 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ThreadDumpDCmd>(full_export, true, false));
67 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RotateGCLogDCmd>(full_export, true, false));
68 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassLoaderStatsDCmd>(full_export, true, false));
69 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompileQueueDCmd>(full_export, true, false));
70 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeListDCmd>(full_export, true, false));
71 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeCacheDCmd>(full_export, true, false));
72 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<MethodUsageDCmd>(full_export, true, false));
73
74 // Enhanced JMX Agent Support
75 // These commands won't be exported via the DiagnosticCommandMBean until an
76 // appropriate permission is created for them
77 uint32_t jmx_agent_export_flags = DCmd_Source_Internal | DCmd_Source_AttachAPI;
78 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartRemoteDCmd>(jmx_agent_export_flags, true,false));
79 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartLocalDCmd>(jmx_agent_export_flags, true,false));
80 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStopRemoteDCmd>(jmx_agent_export_flags, true,false));
81
82 }
83
84 #ifndef HAVE_EXTRA_DCMD
85 void DCmdRegistrant::register_dcmds_ext(){
86 // Do nothing here
87 }
88 #endif
89
90
91 HelpDCmd::HelpDCmd(outputStream* output, bool heap) : DCmdWithParser(output, heap),
92 _all("-all", "Show help for all commands", "BOOLEAN", false, "false"),
93 _cmd("command name", "The name of the command for which we want help",
94 "STRING", false) {
95 _dcmdparser.add_dcmd_option(&_all);
96 _dcmdparser.add_dcmd_argument(&_cmd);
97 };
98
99 void HelpDCmd::execute(DCmdSource source, TRAPS) {
100 if (_all.value()) {
101 GrowableArray<const char*>* cmd_list = DCmdFactory::DCmd_list(source);
102 for (int i = 0; i < cmd_list->length(); i++) {
103 DCmdFactory* factory = DCmdFactory::factory(source, cmd_list->at(i),
104 strlen(cmd_list->at(i)));
105 output()->print_cr("%s%s", factory->name(),
106 factory->is_enabled() ? "" : " [disabled]");
107 output()->print_cr("\t%s", factory->description());
108 output()->cr();
109 factory = factory->next();
110 }
111 } else if (_cmd.has_value()) {
112 DCmd* cmd = NULL;
113 DCmdFactory* factory = DCmdFactory::factory(source, _cmd.value(),
114 strlen(_cmd.value()));
115 if (factory != NULL) {
116 output()->print_cr("%s%s", factory->name(),
117 factory->is_enabled() ? "" : " [disabled]");
118 output()->print_cr("%s", factory->description());
119 output()->print_cr("\nImpact: %s", factory->impact());
120 JavaPermission p = factory->permission();
121 if(p._class != NULL) {
122 if(p._action != NULL) {
123 output()->print_cr("\nPermission: %s(%s, %s)",
124 p._class, p._name == NULL ? "null" : p._name, p._action);
125 } else {
126 output()->print_cr("\nPermission: %s(%s)",
127 p._class, p._name == NULL ? "null" : p._name);
128 }
129 }
130 output()->cr();
131 cmd = factory->create_resource_instance(output());
132 if (cmd != NULL) {
133 DCmdMark mark(cmd);
134 cmd->print_help(factory->name());
135 }
136 } else {
137 output()->print_cr("Help unavailable : '%s' : No such command", _cmd.value());
138 }
139 } else {
140 output()->print_cr("The following commands are available:");
141 GrowableArray<const char *>* cmd_list = DCmdFactory::DCmd_list(source);
142 for (int i = 0; i < cmd_list->length(); i++) {
143 DCmdFactory* factory = DCmdFactory::factory(source, cmd_list->at(i),
144 strlen(cmd_list->at(i)));
145 output()->print_cr("%s%s", factory->name(),
146 factory->is_enabled() ? "" : " [disabled]");
147 factory = factory->_next;
148 }
149 output()->print_cr("\nFor more information about a specific command use 'help <command>'.");
150 }
151 }
152
153 int HelpDCmd::num_arguments() {
154 ResourceMark rm;
155 HelpDCmd* dcmd = new HelpDCmd(NULL, false);
156 if (dcmd != NULL) {
157 DCmdMark mark(dcmd);
158 return dcmd->_dcmdparser.num_arguments();
159 } else {
160 return 0;
161 }
162 }
163
164 void VersionDCmd::execute(DCmdSource source, TRAPS) {
165 output()->print_cr("%s version %s", Abstract_VM_Version::vm_name(),
166 Abstract_VM_Version::vm_release());
167 JDK_Version jdk_version = JDK_Version::current();
168 if (jdk_version.update_version() > 0) {
169 output()->print_cr("JDK %d.%d_%02d", jdk_version.major_version(),
170 jdk_version.minor_version(), jdk_version.update_version());
171 } else {
172 output()->print_cr("JDK %d.%d", jdk_version.major_version(),
173 jdk_version.minor_version());
174 }
175 }
176
177 PrintVMFlagsDCmd::PrintVMFlagsDCmd(outputStream* output, bool heap) :
178 DCmdWithParser(output, heap),
179 _all("-all", "Print all flags supported by the VM", "BOOLEAN", false, "false") {
180 _dcmdparser.add_dcmd_option(&_all);
181 }
182
183 void PrintVMFlagsDCmd::execute(DCmdSource source, TRAPS) {
184 if (_all.value()) {
185 CommandLineFlags::printFlags(output(), true);
186 } else {
187 CommandLineFlags::printSetFlags(output());
188 }
189 }
190
191 int PrintVMFlagsDCmd::num_arguments() {
192 ResourceMark rm;
193 PrintVMFlagsDCmd* dcmd = new PrintVMFlagsDCmd(NULL, false);
194 if (dcmd != NULL) {
195 DCmdMark mark(dcmd);
196 return dcmd->_dcmdparser.num_arguments();
197 } else {
198 return 0;
199 }
200 }
201
202 void PrintSystemPropertiesDCmd::execute(DCmdSource source, TRAPS) {
203 // load sun.misc.VMSupport
204 Symbol* klass = vmSymbols::sun_misc_VMSupport();
205 Klass* k = SystemDictionary::resolve_or_fail(klass, true, CHECK);
206 instanceKlassHandle ik (THREAD, k);
207 if (ik->should_be_initialized()) {
208 ik->initialize(THREAD);
209 }
210 if (HAS_PENDING_EXCEPTION) {
211 java_lang_Throwable::print(PENDING_EXCEPTION, output());
212 output()->cr();
213 CLEAR_PENDING_EXCEPTION;
214 return;
215 }
216
217 // invoke the serializePropertiesToByteArray method
218 JavaValue result(T_OBJECT);
219 JavaCallArguments args;
220
221 Symbol* signature = vmSymbols::serializePropertiesToByteArray_signature();
222 JavaCalls::call_static(&result,
223 ik,
224 vmSymbols::serializePropertiesToByteArray_name(),
225 signature,
226 &args,
227 THREAD);
228 if (HAS_PENDING_EXCEPTION) {
229 java_lang_Throwable::print(PENDING_EXCEPTION, output());
230 output()->cr();
231 CLEAR_PENDING_EXCEPTION;
232 return;
233 }
234
235 // The result should be a [B
236 oop res = (oop)result.get_jobject();
237 assert(res->is_typeArray(), "just checking");
238 assert(TypeArrayKlass::cast(res->klass())->element_type() == T_BYTE, "just checking");
239
240 // copy the bytes to the output stream
241 typeArrayOop ba = typeArrayOop(res);
242 jbyte* addr = typeArrayOop(res)->byte_at_addr(0);
243 output()->print_raw((const char*)addr, ba->length());
244 }
245
246 VMUptimeDCmd::VMUptimeDCmd(outputStream* output, bool heap) :
247 DCmdWithParser(output, heap),
248 _date("-date", "Add a prefix with current date", "BOOLEAN", false, "false") {
249 _dcmdparser.add_dcmd_option(&_date);
250 }
251
252 void VMUptimeDCmd::execute(DCmdSource source, TRAPS) {
253 if (_date.value()) {
254 output()->date_stamp(true, "", ": ");
255 }
256 output()->time_stamp().update_to(tty->time_stamp().ticks());
257 output()->stamp();
258 output()->print_cr(" s");
259 }
260
261 int VMUptimeDCmd::num_arguments() {
262 ResourceMark rm;
263 VMUptimeDCmd* dcmd = new VMUptimeDCmd(NULL, false);
264 if (dcmd != NULL) {
265 DCmdMark mark(dcmd);
266 return dcmd->_dcmdparser.num_arguments();
267 } else {
268 return 0;
269 }
270 }
271
272 void SystemGCDCmd::execute(DCmdSource source, TRAPS) {
273 if (!DisableExplicitGC) {
274 Universe::heap()->collect(GCCause::_java_lang_system_gc);
275 } else {
276 output()->print_cr("Explicit GC is disabled, no GC has been performed.");
277 }
278 }
279
280 void RunFinalizationDCmd::execute(DCmdSource source, TRAPS) {
281 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_System(),
282 true, CHECK);
283 instanceKlassHandle klass(THREAD, k);
284 JavaValue result(T_VOID);
285 JavaCalls::call_static(&result, klass,
286 vmSymbols::run_finalization_name(),
287 vmSymbols::void_method_signature(), CHECK);
288 }
289
290 #if INCLUDE_SERVICES // Heap dumping/inspection supported
291 HeapDumpDCmd::HeapDumpDCmd(outputStream* output, bool heap) :
292 DCmdWithParser(output, heap),
293 _filename("filename","Name of the dump file", "STRING",true),
294 _all("-all", "Dump all objects, including unreachable objects",
295 "BOOLEAN", false, "false") {
296 _dcmdparser.add_dcmd_option(&_all);
297 _dcmdparser.add_dcmd_argument(&_filename);
298 }
299
300 void HeapDumpDCmd::execute(DCmdSource source, TRAPS) {
301 // Request a full GC before heap dump if _all is false
302 // This helps reduces the amount of unreachable objects in the dump
303 // and makes it easier to browse.
304 HeapDumper dumper(!_all.value() /* request GC if _all is false*/);
305 int res = dumper.dump(_filename.value());
306 if (res == 0) {
307 output()->print_cr("Heap dump file created");
308 } else {
309 // heap dump failed
310 ResourceMark rm;
311 char* error = dumper.error_as_C_string();
312 if (error == NULL) {
313 output()->print_cr("Dump failed - reason unknown");
314 } else {
315 output()->print_cr("%s", error);
316 }
317 }
318 }
319
320 int HeapDumpDCmd::num_arguments() {
321 ResourceMark rm;
322 HeapDumpDCmd* dcmd = new HeapDumpDCmd(NULL, false);
323 if (dcmd != NULL) {
324 DCmdMark mark(dcmd);
325 return dcmd->_dcmdparser.num_arguments();
326 } else {
327 return 0;
328 }
329 }
330
331 ClassHistogramDCmd::ClassHistogramDCmd(outputStream* output, bool heap) :
332 DCmdWithParser(output, heap),
333 _all("-all", "Inspect all objects, including unreachable objects",
334 "BOOLEAN", false, "false") {
335 _dcmdparser.add_dcmd_option(&_all);
336 }
337
338 void ClassHistogramDCmd::execute(DCmdSource source, TRAPS) {
339 VM_GC_HeapInspection heapop(output(),
340 !_all.value() /* request full gc if false */);
341 VMThread::execute(&heapop);
342 }
343
344 int ClassHistogramDCmd::num_arguments() {
345 ResourceMark rm;
346 ClassHistogramDCmd* dcmd = new ClassHistogramDCmd(NULL, false);
347 if (dcmd != NULL) {
348 DCmdMark mark(dcmd);
349 return dcmd->_dcmdparser.num_arguments();
350 } else {
351 return 0;
352 }
353 }
354
355 #define DEFAULT_COLUMNS "InstBytes,KlassBytes,CpAll,annotations,MethodCount,Bytecodes,MethodAll,ROAll,RWAll,Total"
356 ClassStatsDCmd::ClassStatsDCmd(outputStream* output, bool heap) :
357 DCmdWithParser(output, heap),
358 _csv("-csv", "Print in CSV (comma-separated values) format for spreadsheets",
359 "BOOLEAN", false, "false"),
360 _all("-all", "Show all columns",
361 "BOOLEAN", false, "false"),
362 _help("-help", "Show meaning of all the columns",
363 "BOOLEAN", false, "false"),
364 _columns("columns", "Comma-separated list of all the columns to show. "
365 "If not specified, the following columns are shown: " DEFAULT_COLUMNS,
366 "STRING", false) {
367 _dcmdparser.add_dcmd_option(&_all);
368 _dcmdparser.add_dcmd_option(&_csv);
369 _dcmdparser.add_dcmd_option(&_help);
370 _dcmdparser.add_dcmd_argument(&_columns);
371 }
372
373 void ClassStatsDCmd::execute(DCmdSource source, TRAPS) {
374 if (!UnlockDiagnosticVMOptions) {
375 output()->print_cr("GC.class_stats command requires -XX:+UnlockDiagnosticVMOptions");
376 return;
377 }
378
379 VM_GC_HeapInspection heapop(output(),
380 true /* request_full_gc */);
381 heapop.set_csv_format(_csv.value());
382 heapop.set_print_help(_help.value());
383 heapop.set_print_class_stats(true);
384 if (_all.value()) {
385 if (_columns.has_value()) {
386 output()->print_cr("Cannot specify -all and individual columns at the same time");
387 return;
388 } else {
389 heapop.set_columns(NULL);
390 }
391 } else {
392 if (_columns.has_value()) {
393 heapop.set_columns(_columns.value());
394 } else {
395 heapop.set_columns(DEFAULT_COLUMNS);
396 }
397 }
398 VMThread::execute(&heapop);
399 }
400
401 int ClassStatsDCmd::num_arguments() {
402 ResourceMark rm;
403 ClassStatsDCmd* dcmd = new ClassStatsDCmd(NULL, false);
404 if (dcmd != NULL) {
405 DCmdMark mark(dcmd);
406 return dcmd->_dcmdparser.num_arguments();
407 } else {
408 return 0;
409 }
410 }
411 #endif // INCLUDE_SERVICES
412
413 ThreadDumpDCmd::ThreadDumpDCmd(outputStream* output, bool heap) :
414 DCmdWithParser(output, heap),
415 _locks("-l", "print java.util.concurrent locks", "BOOLEAN", false, "false") {
416 _dcmdparser.add_dcmd_option(&_locks);
417 }
418
419 void ThreadDumpDCmd::execute(DCmdSource source, TRAPS) {
420 // thread stacks
421 VM_PrintThreads op1(output(), _locks.value());
422 VMThread::execute(&op1);
423
424 // JNI global handles
425 VM_PrintJNI op2(output());
426 VMThread::execute(&op2);
427
428 // Deadlock detection
429 VM_FindDeadlocks op3(output());
430 VMThread::execute(&op3);
431 }
432
433 int ThreadDumpDCmd::num_arguments() {
434 ResourceMark rm;
435 ThreadDumpDCmd* dcmd = new ThreadDumpDCmd(NULL, false);
436 if (dcmd != NULL) {
437 DCmdMark mark(dcmd);
438 return dcmd->_dcmdparser.num_arguments();
439 } else {
440 return 0;
441 }
442 }
443
444 // Enhanced JMX Agent support
445
446 JMXStartRemoteDCmd::JMXStartRemoteDCmd(outputStream *output, bool heap_allocated) :
447
448 DCmdWithParser(output, heap_allocated),
449
450 _config_file
451 ("config.file",
452 "set com.sun.management.config.file", "STRING", false),
453
454 _jmxremote_port
455 ("jmxremote.port",
456 "set com.sun.management.jmxremote.port", "STRING", false),
457
458 _jmxremote_rmi_port
459 ("jmxremote.rmi.port",
460 "set com.sun.management.jmxremote.rmi.port", "STRING", false),
461
462 _jmxremote_ssl
463 ("jmxremote.ssl",
464 "set com.sun.management.jmxremote.ssl", "STRING", false),
465
466 _jmxremote_registry_ssl
467 ("jmxremote.registry.ssl",
468 "set com.sun.management.jmxremote.registry.ssl", "STRING", false),
469
470 _jmxremote_authenticate
471 ("jmxremote.authenticate",
472 "set com.sun.management.jmxremote.authenticate", "STRING", false),
473
474 _jmxremote_password_file
475 ("jmxremote.password.file",
476 "set com.sun.management.jmxremote.password.file", "STRING", false),
477
478 _jmxremote_access_file
479 ("jmxremote.access.file",
480 "set com.sun.management.jmxremote.access.file", "STRING", false),
481
482 _jmxremote_login_config
483 ("jmxremote.login.config",
484 "set com.sun.management.jmxremote.login.config", "STRING", false),
485
486 _jmxremote_ssl_enabled_cipher_suites
487 ("jmxremote.ssl.enabled.cipher.suites",
488 "set com.sun.management.jmxremote.ssl.enabled.cipher.suite", "STRING", false),
489
490 _jmxremote_ssl_enabled_protocols
491 ("jmxremote.ssl.enabled.protocols",
492 "set com.sun.management.jmxremote.ssl.enabled.protocols", "STRING", false),
493
494 _jmxremote_ssl_need_client_auth
495 ("jmxremote.ssl.need.client.auth",
496 "set com.sun.management.jmxremote.need.client.auth", "STRING", false),
497
498 _jmxremote_ssl_config_file
499 ("jmxremote.ssl.config.file",
500 "set com.sun.management.jmxremote.ssl_config_file", "STRING", false),
501
502 // JDP Protocol support
503 _jmxremote_autodiscovery
504 ("jmxremote.autodiscovery",
505 "set com.sun.management.jmxremote.autodiscovery", "STRING", false),
506
507 _jdp_port
508 ("jdp.port",
509 "set com.sun.management.jdp.port", "INT", false),
510
511 _jdp_address
512 ("jdp.address",
513 "set com.sun.management.jdp.address", "STRING", false),
514
515 _jdp_source_addr
516 ("jdp.source_addr",
517 "set com.sun.management.jdp.source_addr", "STRING", false),
518
519 _jdp_ttl
520 ("jdp.ttl",
521 "set com.sun.management.jdp.ttl", "INT", false),
522
523 _jdp_pause
524 ("jdp.pause",
525 "set com.sun.management.jdp.pause", "INT", false),
526
527 _jdp_name
528 ("jdp.name",
529 "set com.sun.management.jdp.name", "STRING", false)
530
531 {
532 _dcmdparser.add_dcmd_option(&_config_file);
533 _dcmdparser.add_dcmd_option(&_jmxremote_port);
534 _dcmdparser.add_dcmd_option(&_jmxremote_rmi_port);
535 _dcmdparser.add_dcmd_option(&_jmxremote_ssl);
536 _dcmdparser.add_dcmd_option(&_jmxremote_registry_ssl);
537 _dcmdparser.add_dcmd_option(&_jmxremote_authenticate);
538 _dcmdparser.add_dcmd_option(&_jmxremote_password_file);
539 _dcmdparser.add_dcmd_option(&_jmxremote_access_file);
540 _dcmdparser.add_dcmd_option(&_jmxremote_login_config);
541 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_cipher_suites);
542 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_protocols);
543 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_need_client_auth);
544 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_config_file);
545 _dcmdparser.add_dcmd_option(&_jmxremote_autodiscovery);
546 _dcmdparser.add_dcmd_option(&_jdp_port);
547 _dcmdparser.add_dcmd_option(&_jdp_address);
548 _dcmdparser.add_dcmd_option(&_jdp_source_addr);
549 _dcmdparser.add_dcmd_option(&_jdp_ttl);
550 _dcmdparser.add_dcmd_option(&_jdp_pause);
551 _dcmdparser.add_dcmd_option(&_jdp_name);
552 }
553
554
555 int JMXStartRemoteDCmd::num_arguments() {
556 ResourceMark rm;
557 JMXStartRemoteDCmd* dcmd = new JMXStartRemoteDCmd(NULL, false);
558 if (dcmd != NULL) {
559 DCmdMark mark(dcmd);
560 return dcmd->_dcmdparser.num_arguments();
561 } else {
562 return 0;
563 }
564 }
565
566
567 void JMXStartRemoteDCmd::execute(DCmdSource source, TRAPS) {
568 ResourceMark rm(THREAD);
569 HandleMark hm(THREAD);
570
571 // Load and initialize the sun.management.Agent class
572 // invoke startRemoteManagementAgent(string) method to start
573 // the remote management server.
574 // throw java.lang.NoSuchMethodError if the method doesn't exist
575
576 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
577 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
578 instanceKlassHandle ik (THREAD, k);
579
580 JavaValue result(T_VOID);
581
582 // Pass all command line arguments to java as key=value,...
583 // All checks are done on java side
584
585 int len = 0;
586 stringStream options;
587 char comma[2] = {0,0};
588
589 // Leave default values on Agent.class side and pass only
590 // agruments explicitly set by user. All arguments passed
591 // to jcmd override properties with the same name set by
592 // command line with -D or by managmenent.properties
593 // file.
594 #define PUT_OPTION(a) \
595 if ( (a).is_set() ){ \
596 options.print(\
597 ( *((a).type()) == 'I' ) ? "%scom.sun.management.%s=%d" : "%scom.sun.management.%s=%s",\
598 comma, (a).name(), (a).value()); \
599 comma[0] = ','; \
600 }
601
602 PUT_OPTION(_config_file);
603 PUT_OPTION(_jmxremote_port);
604 PUT_OPTION(_jmxremote_rmi_port);
605 PUT_OPTION(_jmxremote_ssl);
606 PUT_OPTION(_jmxremote_registry_ssl);
607 PUT_OPTION(_jmxremote_authenticate);
608 PUT_OPTION(_jmxremote_password_file);
609 PUT_OPTION(_jmxremote_access_file);
610 PUT_OPTION(_jmxremote_login_config);
611 PUT_OPTION(_jmxremote_ssl_enabled_cipher_suites);
612 PUT_OPTION(_jmxremote_ssl_enabled_protocols);
613 PUT_OPTION(_jmxremote_ssl_need_client_auth);
614 PUT_OPTION(_jmxremote_ssl_config_file);
615 PUT_OPTION(_jmxremote_autodiscovery);
616 PUT_OPTION(_jdp_port);
617 PUT_OPTION(_jdp_address);
618 PUT_OPTION(_jdp_source_addr);
619 PUT_OPTION(_jdp_ttl);
620 PUT_OPTION(_jdp_pause);
621 PUT_OPTION(_jdp_name);
622
623 #undef PUT_OPTION
624
625 Handle str = java_lang_String::create_from_str(options.as_string(), CHECK);
626 JavaCalls::call_static(&result, ik, vmSymbols::startRemoteAgent_name(), vmSymbols::string_void_signature(), str, CHECK);
627 }
628
629 JMXStartLocalDCmd::JMXStartLocalDCmd(outputStream *output, bool heap_allocated) :
630 DCmd(output, heap_allocated) {
631 // do nothing
632 }
633
634 void JMXStartLocalDCmd::execute(DCmdSource source, TRAPS) {
635 ResourceMark rm(THREAD);
636 HandleMark hm(THREAD);
637
638 // Load and initialize the sun.management.Agent class
639 // invoke startLocalManagementAgent(void) method to start
640 // the local management server
641 // throw java.lang.NoSuchMethodError if method doesn't exist
642
643 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
644 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
645 instanceKlassHandle ik (THREAD, k);
646
647 JavaValue result(T_VOID);
648 JavaCalls::call_static(&result, ik, vmSymbols::startLocalAgent_name(), vmSymbols::void_method_signature(), CHECK);
649 }
650
651 void JMXStopRemoteDCmd::execute(DCmdSource source, TRAPS) {
652 ResourceMark rm(THREAD);
653 HandleMark hm(THREAD);
654
655 // Load and initialize the sun.management.Agent class
656 // invoke stopRemoteManagementAgent method to stop the
657 // management server
658 // throw java.lang.NoSuchMethodError if method doesn't exist
659
660 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
661 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
662 instanceKlassHandle ik (THREAD, k);
663
664 JavaValue result(T_VOID);
665 JavaCalls::call_static(&result, ik, vmSymbols::stopRemoteAgent_name(), vmSymbols::void_method_signature(), CHECK);
666 }
667
668 VMDynamicLibrariesDCmd::VMDynamicLibrariesDCmd(outputStream *output, bool heap_allocated) :
669 DCmd(output, heap_allocated) {
670 // do nothing
671 }
672
673 void VMDynamicLibrariesDCmd::execute(DCmdSource source, TRAPS) {
674 os::print_dll_info(output());
675 output()->cr();
676 }
677
678 void RotateGCLogDCmd::execute(DCmdSource source, TRAPS) {
679 if (UseGCLogFileRotation) {
680 VM_RotateGCLog rotateop(output());
681 VMThread::execute(&rotateop);
682 } else {
683 output()->print_cr("Target VM does not support GC log file rotation.");
684 }
685 }
686
687 void CompileQueueDCmd::execute(DCmdSource source, TRAPS) {
688 VM_PrintCompileQueue printCompileQueueOp(output());
689 VMThread::execute(&printCompileQueueOp);
690 }
691
692 void CodeListDCmd::execute(DCmdSource source, TRAPS) {
693 VM_PrintCodeList printCodeListOp(output());
694 VMThread::execute(&printCodeListOp);
695 }
696
697 void CodeCacheDCmd::execute(DCmdSource source, TRAPS) {
698 VM_PrintCodeCache printCodeCacheOp(output());
699 VMThread::execute(&printCodeCacheOp);
700 }
701
702 #if INCLUDE_SERVICES
703 ClassHierarchyDCmd::ClassHierarchyDCmd(outputStream* output, bool heap) :
704 DCmdWithParser(output, heap),
705 _print_interfaces("-i", "Inherited interfaces should be printed.", "BOOLEAN", false, "false"),
706 _print_subclasses("-s", "If a classname is specified, print its subclasses. "
707 "Otherwise only its superclasses are printed.", "BOOLEAN", false, "false"),
708 _classname("classname", "Name of class whose hierarchy should be printed. "
709 "If not specified, all class hierarchies are printed.",
710 "STRING", false) {
711 _dcmdparser.add_dcmd_option(&_print_interfaces);
712 _dcmdparser.add_dcmd_option(&_print_subclasses);
713 _dcmdparser.add_dcmd_argument(&_classname);
714 }
715
716 void ClassHierarchyDCmd::execute(DCmdSource source, TRAPS) {
717 VM_PrintClassHierarchy printClassHierarchyOp(output(), _print_interfaces.value(),
718 _print_subclasses.value(), _classname.value());
719 VMThread::execute(&printClassHierarchyOp);
720 }
721
722 int ClassHierarchyDCmd::num_arguments() {
723 ResourceMark rm;
724 ClassHierarchyDCmd* dcmd = new ClassHierarchyDCmd(NULL, false);
725 if (dcmd != NULL) {
726 DCmdMark mark(dcmd);
727 return dcmd->_dcmdparser.num_arguments();
728 } else {
729 return 0;
730 }
731 }
732
733 #endif
734
735 class VM_DumpMethodUsage : public VM_Operation {
736 private:
737 outputStream* _out;
738 public:
739 VM_DumpMethodUsage(outputStream* out) {
740 _out = out;
741 }
742
743 virtual VMOp_Type type() const { return VMOp_DumpMethodUsage; }
744
745 virtual void doit() {
746 Method::print_usage(_out);
747 }
748 };
749
750 MethodUsageDCmd::MethodUsageDCmd(outputStream* output, bool heap) :
751 DCmdWithParser(output, heap)
752 {}
753
754 void MethodUsageDCmd::execute(DCmdSource source, TRAPS) {
755 if (!UnlockDiagnosticVMOptions) {
756 output()->print_cr("VM.method_usage command requires -XX:+UnlockDiagnosticVMOptions");
757 return;
758 }
759 VM_DumpMethodUsage dumper(output());
760 VMThread::execute(&dumper);
761 }
762
763 int MethodUsageDCmd::num_arguments() {
764 return 0;
765 }