1 /*
2 * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "classfile/classLoaderStats.hpp"
27 #include "gc_implementation/shared/vmGCOperations.hpp"
28 #include "runtime/javaCalls.hpp"
29 #include "runtime/os.hpp"
30 #include "services/diagnosticArgument.hpp"
31 #include "services/diagnosticCommand.hpp"
32 #include "services/diagnosticFramework.hpp"
33 #include "services/heapDumper.hpp"
34 #include "services/management.hpp"
35 #include "utilities/macros.hpp"
36
37 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
38
39 void DCmdRegistrant::register_dcmds(){
40 // Registration of the diagnostic commands
41 // First argument specifies which interfaces will export the command
42 // Second argument specifies if the command is enabled
43 // Third argument specifies if the command is hidden
44 uint32_t full_export = DCmd_Source_Internal | DCmd_Source_AttachAPI
45 | DCmd_Source_MBean;
46 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HelpDCmd>(full_export, true, false));
47 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VersionDCmd>(full_export, true, false));
48 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CommandLineDCmd>(full_export, true, false));
49 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintSystemPropertiesDCmd>(full_export, true, false));
50 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintVMFlagsDCmd>(full_export, true, false));
51 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMDynamicLibrariesDCmd>(full_export, true, false));
52 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMUptimeDCmd>(full_export, true, false));
53 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SystemGCDCmd>(full_export, true, false));
54 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RunFinalizationDCmd>(full_export, true, false));
55 #if INCLUDE_SERVICES // Heap dumping/inspection supported
56 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HeapDumpDCmd>(DCmd_Source_Internal | DCmd_Source_AttachAPI, true, false));
57 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassHistogramDCmd>(full_export, true, false));
58 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassStatsDCmd>(full_export, true, false));
59 #endif // INCLUDE_SERVICES
60 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ThreadDumpDCmd>(full_export, true, false));
61 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RotateGCLogDCmd>(full_export, true, false));
62 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassLoaderStatsDCmd>(full_export, true, false));
63 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompileQueueDCmd>(full_export, true, false));
64 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeListDCmd>(full_export, true, false));
65 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeCacheDCmd>(full_export, true, false));
66
67 // Enhanced JMX Agent Support
68 // These commands won't be exported via the DiagnosticCommandMBean until an
69 // appropriate permission is created for them
70 uint32_t jmx_agent_export_flags = DCmd_Source_Internal | DCmd_Source_AttachAPI;
71 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartRemoteDCmd>(jmx_agent_export_flags, true,false));
72 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartLocalDCmd>(jmx_agent_export_flags, true,false));
73 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStopRemoteDCmd>(jmx_agent_export_flags, true,false));
74
75 }
76
77 #ifndef HAVE_EXTRA_DCMD
78 void DCmdRegistrant::register_dcmds_ext(){
79 // Do nothing here
80 }
81 #endif
82
83
84 HelpDCmd::HelpDCmd(outputStream* output, bool heap) : DCmdWithParser(output, heap),
85 _all("-all", "Show help for all commands", "BOOLEAN", false, "false"),
86 _cmd("command name", "The name of the command for which we want help",
87 "STRING", false) {
88 _dcmdparser.add_dcmd_option(&_all);
89 _dcmdparser.add_dcmd_argument(&_cmd);
90 };
91
92 void HelpDCmd::execute(DCmdSource source, TRAPS) {
93 if (_all.value()) {
94 GrowableArray<const char*>* cmd_list = DCmdFactory::DCmd_list(source);
95 for (int i = 0; i < cmd_list->length(); i++) {
96 DCmdFactory* factory = DCmdFactory::factory(source, cmd_list->at(i),
97 strlen(cmd_list->at(i)));
98 output()->print_cr("%s%s", factory->name(),
99 factory->is_enabled() ? "" : " [disabled]");
100 output()->print_cr("\t%s", factory->description());
101 output()->cr();
102 factory = factory->next();
103 }
104 } else if (_cmd.has_value()) {
105 DCmd* cmd = NULL;
106 DCmdFactory* factory = DCmdFactory::factory(source, _cmd.value(),
107 strlen(_cmd.value()));
108 if (factory != NULL) {
109 output()->print_cr("%s%s", factory->name(),
110 factory->is_enabled() ? "" : " [disabled]");
111 output()->print_cr("%s", factory->description());
112 output()->print_cr("\nImpact: %s", factory->impact());
113 JavaPermission p = factory->permission();
114 if(p._class != NULL) {
115 if(p._action != NULL) {
116 output()->print_cr("\nPermission: %s(%s, %s)",
117 p._class, p._name == NULL ? "null" : p._name, p._action);
118 } else {
119 output()->print_cr("\nPermission: %s(%s)",
120 p._class, p._name == NULL ? "null" : p._name);
121 }
122 }
123 output()->cr();
124 cmd = factory->create_resource_instance(output());
125 if (cmd != NULL) {
126 DCmdMark mark(cmd);
127 cmd->print_help(factory->name());
128 }
129 } else {
130 output()->print_cr("Help unavailable : '%s' : No such command", _cmd.value());
131 }
132 } else {
133 output()->print_cr("The following commands are available:");
134 GrowableArray<const char *>* cmd_list = DCmdFactory::DCmd_list(source);
135 for (int i = 0; i < cmd_list->length(); i++) {
136 DCmdFactory* factory = DCmdFactory::factory(source, cmd_list->at(i),
137 strlen(cmd_list->at(i)));
138 output()->print_cr("%s%s", factory->name(),
139 factory->is_enabled() ? "" : " [disabled]");
140 factory = factory->_next;
141 }
142 output()->print_cr("\nFor more information about a specific command use 'help <command>'.");
143 }
144 }
145
146 int HelpDCmd::num_arguments() {
147 ResourceMark rm;
148 HelpDCmd* dcmd = new HelpDCmd(NULL, false);
149 if (dcmd != NULL) {
150 DCmdMark mark(dcmd);
151 return dcmd->_dcmdparser.num_arguments();
152 } else {
153 return 0;
154 }
155 }
156
157 void VersionDCmd::execute(DCmdSource source, TRAPS) {
158 output()->print_cr("%s version %s", Abstract_VM_Version::vm_name(),
159 Abstract_VM_Version::vm_release());
160 JDK_Version jdk_version = JDK_Version::current();
161 if (jdk_version.update_version() > 0) {
162 output()->print_cr("JDK %d.%d_%02d", jdk_version.major_version(),
163 jdk_version.minor_version(), jdk_version.update_version());
164 } else {
165 output()->print_cr("JDK %d.%d", jdk_version.major_version(),
166 jdk_version.minor_version());
167 }
168 }
169
170 PrintVMFlagsDCmd::PrintVMFlagsDCmd(outputStream* output, bool heap) :
171 DCmdWithParser(output, heap),
172 _all("-all", "Print all flags supported by the VM", "BOOLEAN", false, "false") {
173 _dcmdparser.add_dcmd_option(&_all);
174 }
175
176 void PrintVMFlagsDCmd::execute(DCmdSource source, TRAPS) {
177 if (_all.value()) {
178 CommandLineFlags::printFlags(output(), true);
179 } else {
180 CommandLineFlags::printSetFlags(output());
181 }
182 }
183
184 int PrintVMFlagsDCmd::num_arguments() {
185 ResourceMark rm;
186 PrintVMFlagsDCmd* dcmd = new PrintVMFlagsDCmd(NULL, false);
187 if (dcmd != NULL) {
188 DCmdMark mark(dcmd);
189 return dcmd->_dcmdparser.num_arguments();
190 } else {
191 return 0;
192 }
193 }
194
195 void PrintSystemPropertiesDCmd::execute(DCmdSource source, TRAPS) {
196 // load sun.misc.VMSupport
197 Symbol* klass = vmSymbols::sun_misc_VMSupport();
198 Klass* k = SystemDictionary::resolve_or_fail(klass, true, CHECK);
199 instanceKlassHandle ik (THREAD, k);
200 if (ik->should_be_initialized()) {
201 ik->initialize(THREAD);
202 }
203 if (HAS_PENDING_EXCEPTION) {
204 java_lang_Throwable::print(PENDING_EXCEPTION, output());
205 output()->cr();
206 CLEAR_PENDING_EXCEPTION;
207 return;
208 }
209
210 // invoke the serializePropertiesToByteArray method
211 JavaValue result(T_OBJECT);
212 JavaCallArguments args;
213
214 Symbol* signature = vmSymbols::serializePropertiesToByteArray_signature();
215 JavaCalls::call_static(&result,
216 ik,
217 vmSymbols::serializePropertiesToByteArray_name(),
218 signature,
219 &args,
220 THREAD);
221 if (HAS_PENDING_EXCEPTION) {
222 java_lang_Throwable::print(PENDING_EXCEPTION, output());
223 output()->cr();
224 CLEAR_PENDING_EXCEPTION;
225 return;
226 }
227
228 // The result should be a [B
229 oop res = (oop)result.get_jobject();
230 assert(res->is_typeArray(), "just checking");
231 assert(TypeArrayKlass::cast(res->klass())->element_type() == T_BYTE, "just checking");
232
233 // copy the bytes to the output stream
234 typeArrayOop ba = typeArrayOop(res);
235 jbyte* addr = typeArrayOop(res)->byte_at_addr(0);
236 output()->print_raw((const char*)addr, ba->length());
237 }
238
239 VMUptimeDCmd::VMUptimeDCmd(outputStream* output, bool heap) :
240 DCmdWithParser(output, heap),
241 _date("-date", "Add a prefix with current date", "BOOLEAN", false, "false") {
242 _dcmdparser.add_dcmd_option(&_date);
243 }
244
245 void VMUptimeDCmd::execute(DCmdSource source, TRAPS) {
246 if (_date.value()) {
247 output()->date_stamp(true, "", ": ");
248 }
249 output()->time_stamp().update_to(tty->time_stamp().ticks());
250 output()->stamp();
251 output()->print_cr(" s");
252 }
253
254 int VMUptimeDCmd::num_arguments() {
255 ResourceMark rm;
256 VMUptimeDCmd* dcmd = new VMUptimeDCmd(NULL, false);
257 if (dcmd != NULL) {
258 DCmdMark mark(dcmd);
259 return dcmd->_dcmdparser.num_arguments();
260 } else {
261 return 0;
262 }
263 }
264
265 void SystemGCDCmd::execute(DCmdSource source, TRAPS) {
266 if (!DisableExplicitGC) {
267 Universe::heap()->collect(GCCause::_java_lang_system_gc);
268 } else {
269 output()->print_cr("Explicit GC is disabled, no GC has been performed.");
270 }
271 }
272
273 void RunFinalizationDCmd::execute(DCmdSource source, TRAPS) {
274 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_System(),
275 true, CHECK);
276 instanceKlassHandle klass(THREAD, k);
277 JavaValue result(T_VOID);
278 JavaCalls::call_static(&result, klass,
279 vmSymbols::run_finalization_name(),
280 vmSymbols::void_method_signature(), CHECK);
281 }
282
283 #if INCLUDE_SERVICES // Heap dumping/inspection supported
284 HeapDumpDCmd::HeapDumpDCmd(outputStream* output, bool heap) :
285 DCmdWithParser(output, heap),
286 _filename("filename","Name of the dump file", "STRING",true),
287 _all("-all", "Dump all objects, including unreachable objects",
288 "BOOLEAN", false, "false") {
289 _dcmdparser.add_dcmd_option(&_all);
290 _dcmdparser.add_dcmd_argument(&_filename);
291 }
292
293 void HeapDumpDCmd::execute(DCmdSource source, TRAPS) {
294 // Request a full GC before heap dump if _all is false
295 // This helps reduces the amount of unreachable objects in the dump
296 // and makes it easier to browse.
297 HeapDumper dumper(!_all.value() /* request GC if _all is false*/);
298 int res = dumper.dump(_filename.value());
299 if (res == 0) {
300 output()->print_cr("Heap dump file created");
301 } else {
302 // heap dump failed
303 ResourceMark rm;
304 char* error = dumper.error_as_C_string();
305 if (error == NULL) {
306 output()->print_cr("Dump failed - reason unknown");
307 } else {
308 output()->print_cr("%s", error);
309 }
310 }
311 }
312
313 int HeapDumpDCmd::num_arguments() {
314 ResourceMark rm;
315 HeapDumpDCmd* dcmd = new HeapDumpDCmd(NULL, false);
316 if (dcmd != NULL) {
317 DCmdMark mark(dcmd);
318 return dcmd->_dcmdparser.num_arguments();
319 } else {
320 return 0;
321 }
322 }
323
324 ClassHistogramDCmd::ClassHistogramDCmd(outputStream* output, bool heap) :
325 DCmdWithParser(output, heap),
326 _all("-all", "Inspect all objects, including unreachable objects",
327 "BOOLEAN", false, "false") {
328 _dcmdparser.add_dcmd_option(&_all);
329 }
330
331 void ClassHistogramDCmd::execute(DCmdSource source, TRAPS) {
332 VM_GC_HeapInspection heapop(output(),
333 !_all.value() /* request full gc if false */);
334 VMThread::execute(&heapop);
335 }
336
337 int ClassHistogramDCmd::num_arguments() {
338 ResourceMark rm;
339 ClassHistogramDCmd* dcmd = new ClassHistogramDCmd(NULL, false);
340 if (dcmd != NULL) {
341 DCmdMark mark(dcmd);
342 return dcmd->_dcmdparser.num_arguments();
343 } else {
344 return 0;
345 }
346 }
347
348 #define DEFAULT_COLUMNS "InstBytes,KlassBytes,CpAll,annotations,MethodCount,Bytecodes,MethodAll,ROAll,RWAll,Total"
349 ClassStatsDCmd::ClassStatsDCmd(outputStream* output, bool heap) :
350 DCmdWithParser(output, heap),
351 _csv("-csv", "Print in CSV (comma-separated values) format for spreadsheets",
352 "BOOLEAN", false, "false"),
353 _all("-all", "Show all columns",
354 "BOOLEAN", false, "false"),
355 _help("-help", "Show meaning of all the columns",
356 "BOOLEAN", false, "false"),
357 _columns("columns", "Comma-separated list of all the columns to show. "
358 "If not specified, the following columns are shown: " DEFAULT_COLUMNS,
359 "STRING", false) {
360 _dcmdparser.add_dcmd_option(&_all);
361 _dcmdparser.add_dcmd_option(&_csv);
362 _dcmdparser.add_dcmd_option(&_help);
363 _dcmdparser.add_dcmd_argument(&_columns);
364 }
365
366 void ClassStatsDCmd::execute(DCmdSource source, TRAPS) {
367 if (!UnlockDiagnosticVMOptions) {
368 output()->print_cr("GC.class_stats command requires -XX:+UnlockDiagnosticVMOptions");
369 return;
370 }
371
372 VM_GC_HeapInspection heapop(output(),
373 true /* request_full_gc */);
374 heapop.set_csv_format(_csv.value());
375 heapop.set_print_help(_help.value());
376 heapop.set_print_class_stats(true);
377 if (_all.value()) {
378 if (_columns.has_value()) {
379 output()->print_cr("Cannot specify -all and individual columns at the same time");
380 return;
381 } else {
382 heapop.set_columns(NULL);
383 }
384 } else {
385 if (_columns.has_value()) {
386 heapop.set_columns(_columns.value());
387 } else {
388 heapop.set_columns(DEFAULT_COLUMNS);
389 }
390 }
391 VMThread::execute(&heapop);
392 }
393
394 int ClassStatsDCmd::num_arguments() {
395 ResourceMark rm;
396 ClassStatsDCmd* dcmd = new ClassStatsDCmd(NULL, false);
397 if (dcmd != NULL) {
398 DCmdMark mark(dcmd);
399 return dcmd->_dcmdparser.num_arguments();
400 } else {
401 return 0;
402 }
403 }
404 #endif // INCLUDE_SERVICES
405
406 ThreadDumpDCmd::ThreadDumpDCmd(outputStream* output, bool heap) :
407 DCmdWithParser(output, heap),
408 _locks("-l", "print java.util.concurrent locks", "BOOLEAN", false, "false") {
409 _dcmdparser.add_dcmd_option(&_locks);
410 }
411
412 void ThreadDumpDCmd::execute(DCmdSource source, TRAPS) {
413 // thread stacks
414 VM_PrintThreads op1(output(), _locks.value());
415 VMThread::execute(&op1);
416
417 // JNI global handles
418 VM_PrintJNI op2(output());
419 VMThread::execute(&op2);
420
421 // Deadlock detection
422 VM_FindDeadlocks op3(output());
423 VMThread::execute(&op3);
424 }
425
426 int ThreadDumpDCmd::num_arguments() {
427 ResourceMark rm;
428 ThreadDumpDCmd* dcmd = new ThreadDumpDCmd(NULL, false);
429 if (dcmd != NULL) {
430 DCmdMark mark(dcmd);
431 return dcmd->_dcmdparser.num_arguments();
432 } else {
433 return 0;
434 }
435 }
436
437 // Enhanced JMX Agent support
438
439 JMXStartRemoteDCmd::JMXStartRemoteDCmd(outputStream *output, bool heap_allocated) :
440
441 DCmdWithParser(output, heap_allocated),
442
443 _config_file
444 ("config.file",
445 "set com.sun.management.config.file", "STRING", false),
446
447 _jmxremote_port
448 ("jmxremote.port",
449 "set com.sun.management.jmxremote.port", "STRING", false),
450
451 _jmxremote_rmi_port
452 ("jmxremote.rmi.port",
453 "set com.sun.management.jmxremote.rmi.port", "STRING", false),
454
455 _jmxremote_ssl
456 ("jmxremote.ssl",
457 "set com.sun.management.jmxremote.ssl", "STRING", false),
458
459 _jmxremote_registry_ssl
460 ("jmxremote.registry.ssl",
461 "set com.sun.management.jmxremote.registry.ssl", "STRING", false),
462
463 _jmxremote_authenticate
464 ("jmxremote.authenticate",
465 "set com.sun.management.jmxremote.authenticate", "STRING", false),
466
467 _jmxremote_password_file
468 ("jmxremote.password.file",
469 "set com.sun.management.jmxremote.password.file", "STRING", false),
470
471 _jmxremote_access_file
472 ("jmxremote.access.file",
473 "set com.sun.management.jmxremote.access.file", "STRING", false),
474
475 _jmxremote_login_config
476 ("jmxremote.login.config",
477 "set com.sun.management.jmxremote.login.config", "STRING", false),
478
479 _jmxremote_ssl_enabled_cipher_suites
480 ("jmxremote.ssl.enabled.cipher.suites",
481 "set com.sun.management.jmxremote.ssl.enabled.cipher.suite", "STRING", false),
482
483 _jmxremote_ssl_enabled_protocols
484 ("jmxremote.ssl.enabled.protocols",
485 "set com.sun.management.jmxremote.ssl.enabled.protocols", "STRING", false),
486
487 _jmxremote_ssl_need_client_auth
488 ("jmxremote.ssl.need.client.auth",
489 "set com.sun.management.jmxremote.need.client.auth", "STRING", false),
490
491 _jmxremote_ssl_config_file
492 ("jmxremote.ssl.config.file",
493 "set com.sun.management.jmxremote.ssl_config_file", "STRING", false),
494
495 // JDP Protocol support
496 _jmxremote_autodiscovery
497 ("jmxremote.autodiscovery",
498 "set com.sun.management.jmxremote.autodiscovery", "STRING", false),
499
500 _jdp_port
501 ("jdp.port",
502 "set com.sun.management.jdp.port", "INT", false),
503
504 _jdp_address
505 ("jdp.address",
506 "set com.sun.management.jdp.address", "STRING", false),
507
508 _jdp_source_addr
509 ("jdp.source_addr",
510 "set com.sun.management.jdp.source_addr", "STRING", false),
511
512 _jdp_ttl
513 ("jdp.ttl",
514 "set com.sun.management.jdp.ttl", "INT", false),
515
516 _jdp_pause
517 ("jdp.pause",
518 "set com.sun.management.jdp.pause", "INT", false),
519
520 _jdp_name
521 ("jdp.name",
522 "set com.sun.management.jdp.name", "STRING", false)
523
524 {
525 _dcmdparser.add_dcmd_option(&_config_file);
526 _dcmdparser.add_dcmd_option(&_jmxremote_port);
527 _dcmdparser.add_dcmd_option(&_jmxremote_rmi_port);
528 _dcmdparser.add_dcmd_option(&_jmxremote_ssl);
529 _dcmdparser.add_dcmd_option(&_jmxremote_registry_ssl);
530 _dcmdparser.add_dcmd_option(&_jmxremote_authenticate);
531 _dcmdparser.add_dcmd_option(&_jmxremote_password_file);
532 _dcmdparser.add_dcmd_option(&_jmxremote_access_file);
533 _dcmdparser.add_dcmd_option(&_jmxremote_login_config);
534 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_cipher_suites);
535 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_protocols);
536 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_need_client_auth);
537 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_config_file);
538 _dcmdparser.add_dcmd_option(&_jmxremote_autodiscovery);
539 _dcmdparser.add_dcmd_option(&_jdp_port);
540 _dcmdparser.add_dcmd_option(&_jdp_address);
541 _dcmdparser.add_dcmd_option(&_jdp_source_addr);
542 _dcmdparser.add_dcmd_option(&_jdp_ttl);
543 _dcmdparser.add_dcmd_option(&_jdp_pause);
544 _dcmdparser.add_dcmd_option(&_jdp_name);
545 }
546
547
548 int JMXStartRemoteDCmd::num_arguments() {
549 ResourceMark rm;
550 JMXStartRemoteDCmd* dcmd = new JMXStartRemoteDCmd(NULL, false);
551 if (dcmd != NULL) {
552 DCmdMark mark(dcmd);
553 return dcmd->_dcmdparser.num_arguments();
554 } else {
555 return 0;
556 }
557 }
558
559
560 void JMXStartRemoteDCmd::execute(DCmdSource source, TRAPS) {
561 ResourceMark rm(THREAD);
562 HandleMark hm(THREAD);
563
564 // Load and initialize the sun.management.Agent class
565 // invoke startRemoteManagementAgent(string) method to start
566 // the remote management server.
567 // throw java.lang.NoSuchMethodError if the method doesn't exist
568
569 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
570 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
571 instanceKlassHandle ik (THREAD, k);
572
573 JavaValue result(T_VOID);
574
575 // Pass all command line arguments to java as key=value,...
576 // All checks are done on java side
577
578 int len = 0;
579 stringStream options;
580 char comma[2] = {0,0};
581
582 // Leave default values on Agent.class side and pass only
583 // agruments explicitly set by user. All arguments passed
584 // to jcmd override properties with the same name set by
585 // command line with -D or by managmenent.properties
586 // file.
587 #define PUT_OPTION(a) \
588 if ( (a).is_set() ){ \
589 options.print(\
590 ( *((a).type()) == 'I' ) ? "%scom.sun.management.%s=%d" : "%scom.sun.management.%s=%s",\
591 comma, (a).name(), (a).value()); \
592 comma[0] = ','; \
593 }
594
595 PUT_OPTION(_config_file);
596 PUT_OPTION(_jmxremote_port);
597 PUT_OPTION(_jmxremote_rmi_port);
598 PUT_OPTION(_jmxremote_ssl);
599 PUT_OPTION(_jmxremote_registry_ssl);
600 PUT_OPTION(_jmxremote_authenticate);
601 PUT_OPTION(_jmxremote_password_file);
602 PUT_OPTION(_jmxremote_access_file);
603 PUT_OPTION(_jmxremote_login_config);
604 PUT_OPTION(_jmxremote_ssl_enabled_cipher_suites);
605 PUT_OPTION(_jmxremote_ssl_enabled_protocols);
606 PUT_OPTION(_jmxremote_ssl_need_client_auth);
607 PUT_OPTION(_jmxremote_ssl_config_file);
608 PUT_OPTION(_jmxremote_autodiscovery);
609 PUT_OPTION(_jdp_port);
610 PUT_OPTION(_jdp_address);
611 PUT_OPTION(_jdp_source_addr);
612 PUT_OPTION(_jdp_ttl);
613 PUT_OPTION(_jdp_pause);
614 PUT_OPTION(_jdp_name);
615
616 #undef PUT_OPTION
617
618 Handle str = java_lang_String::create_from_str(options.as_string(), CHECK);
619 JavaCalls::call_static(&result, ik, vmSymbols::startRemoteAgent_name(), vmSymbols::string_void_signature(), str, CHECK);
620 }
621
622 JMXStartLocalDCmd::JMXStartLocalDCmd(outputStream *output, bool heap_allocated) :
623 DCmd(output, heap_allocated) {
624 // do nothing
625 }
626
627 void JMXStartLocalDCmd::execute(DCmdSource source, TRAPS) {
628 ResourceMark rm(THREAD);
629 HandleMark hm(THREAD);
630
631 // Load and initialize the sun.management.Agent class
632 // invoke startLocalManagementAgent(void) method to start
633 // the local management server
634 // throw java.lang.NoSuchMethodError if method doesn't exist
635
636 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
637 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
638 instanceKlassHandle ik (THREAD, k);
639
640 JavaValue result(T_VOID);
641 JavaCalls::call_static(&result, ik, vmSymbols::startLocalAgent_name(), vmSymbols::void_method_signature(), CHECK);
642 }
643
644 void JMXStopRemoteDCmd::execute(DCmdSource source, TRAPS) {
645 ResourceMark rm(THREAD);
646 HandleMark hm(THREAD);
647
648 // Load and initialize the sun.management.Agent class
649 // invoke stopRemoteManagementAgent method to stop the
650 // management server
651 // throw java.lang.NoSuchMethodError if method doesn't exist
652
653 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
654 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
655 instanceKlassHandle ik (THREAD, k);
656
657 JavaValue result(T_VOID);
658 JavaCalls::call_static(&result, ik, vmSymbols::stopRemoteAgent_name(), vmSymbols::void_method_signature(), CHECK);
659 }
660
661 VMDynamicLibrariesDCmd::VMDynamicLibrariesDCmd(outputStream *output, bool heap_allocated) :
662 DCmd(output, heap_allocated) {
663 // do nothing
664 }
665
666 void VMDynamicLibrariesDCmd::execute(DCmdSource source, TRAPS) {
667 os::print_dll_info(output());
668 output()->cr();
669 }
670
671 void RotateGCLogDCmd::execute(DCmdSource source, TRAPS) {
672 if (UseGCLogFileRotation) {
673 VM_RotateGCLog rotateop(output());
674 VMThread::execute(&rotateop);
675 } else {
676 output()->print_cr("Target VM does not support GC log file rotation.");
677 }
678 }
679
680 void CompileQueueDCmd::execute(DCmdSource source, TRAPS) {
681 VM_PrintCompileQueue printCompileQueueOp(output());
682 VMThread::execute(&printCompileQueueOp);
683 }
684
685 void CodeListDCmd::execute(DCmdSource source, TRAPS) {
686 VM_PrintCodeList printCodeListOp(output());
687 VMThread::execute(&printCodeListOp);
688 }
689
690 void CodeCacheDCmd::execute(DCmdSource source, TRAPS) {
691 VM_PrintCodeCache printCodeCacheOp(output());
692 VMThread::execute(&printCodeCacheOp);
693 }
694