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