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