1 /*
2 * Copyright (c) 2011, 2013, 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 "gc_implementation/shared/vmGCOperations.hpp"
27 #include "runtime/javaCalls.hpp"
28 #include "runtime/os.hpp"
29 #include "services/diagnosticArgument.hpp"
30 #include "services/diagnosticCommand.hpp"
31 #include "services/diagnosticFramework.hpp"
32 #include "services/heapDumper.hpp"
33 #include "services/management.hpp"
34 #include "utilities/macros.hpp"
35
36 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
37
38 void DCmdRegistrant::register_dcmds(){
39 // Registration of the diagnostic commands
40 // First argument specifies which interfaces will export the command
41 // Second argument specifies if the command is enabled
42 // Third argument specifies if the command is hidden
43 uint32_t full_export = DCmd_Source_Internal | DCmd_Source_AttachAPI
44 | DCmd_Source_MBean;
45 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HelpDCmd>(full_export, true, false));
46 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VersionDCmd>(full_export, true, false));
47 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CommandLineDCmd>(full_export, true, false));
48 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintSystemPropertiesDCmd>(full_export, true, false));
49 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintVMFlagsDCmd>(full_export, true, false));
50 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMDynamicLibrariesDCmd>(full_export, true, false));
51 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMUptimeDCmd>(full_export, true, false));
52 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SystemGCDCmd>(full_export, true, false));
53 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RunFinalizationDCmd>(full_export, true, false));
54 #if INCLUDE_SERVICES // Heap dumping/inspection supported
55 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HeapDumpDCmd>(DCmd_Source_Internal | DCmd_Source_AttachAPI, true, false));
56 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassHistogramDCmd>(full_export, true, false));
57 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassStatsDCmd>(full_export, true, false));
58 #endif // INCLUDE_SERVICES
59 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ThreadDumpDCmd>(full_export, true, false));
60 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RotateGCLogDCmd>(full_export, true, false));
61
62 // Enhanced JMX Agent Support
63 // These commands won't be exported via the DiagnosticCommandMBean until an
64 // appropriate permission is created for them
65 uint32_t jmx_agent_export_flags = DCmd_Source_Internal | DCmd_Source_AttachAPI;
66 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartRemoteDCmd>(jmx_agent_export_flags, true,false));
67 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartLocalDCmd>(jmx_agent_export_flags, true,false));
68 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStopRemoteDCmd>(jmx_agent_export_flags, true,false));
69
70 }
71
72 #ifndef HAVE_EXTRA_DCMD
73 void DCmdRegistrant::register_dcmds_ext(){
74 // Do nothing here
75 }
76 #endif
77
78
79 HelpDCmd::HelpDCmd(outputStream* output, bool heap) : DCmdWithParser(output, heap),
80 _all("-all", "Show help for all commands", "BOOLEAN", false, "false"),
81 _cmd("command name", "The name of the command for which we want help",
82 "STRING", false) {
83 _dcmdparser.add_dcmd_option(&_all);
84 _dcmdparser.add_dcmd_argument(&_cmd);
85 };
86
87 void HelpDCmd::execute(DCmdSource source, TRAPS) {
88 if (_all.value()) {
89 GrowableArray<const char*>* cmd_list = DCmdFactory::DCmd_list(source);
90 for (int i = 0; i < cmd_list->length(); i++) {
91 DCmdFactory* factory = DCmdFactory::factory(source, cmd_list->at(i),
92 strlen(cmd_list->at(i)));
93 output()->print_cr("%s%s", factory->name(),
94 factory->is_enabled() ? "" : " [disabled]");
95 output()->print_cr("\t%s", factory->description());
96 output()->cr();
97 factory = factory->next();
98 }
99 } else if (_cmd.has_value()) {
100 DCmd* cmd = NULL;
101 DCmdFactory* factory = DCmdFactory::factory(source, _cmd.value(),
102 strlen(_cmd.value()));
103 if (factory != NULL) {
104 output()->print_cr("%s%s", factory->name(),
105 factory->is_enabled() ? "" : " [disabled]");
106 output()->print_raw_cr(factory->description());
107 output()->print_cr("\nImpact: %s", factory->impact());
108 JavaPermission p = factory->permission();
109 if(p._class != NULL) {
110 if(p._action != NULL) {
111 output()->print_cr("\nPermission: %s(%s, %s)",
112 p._class, p._name == NULL ? "null" : p._name, p._action);
113 } else {
114 output()->print_cr("\nPermission: %s(%s)",
115 p._class, p._name == NULL ? "null" : p._name);
116 }
117 }
118 output()->cr();
119 cmd = factory->create_resource_instance(output());
120 if (cmd != NULL) {
121 DCmdMark mark(cmd);
122 cmd->print_help(factory->name());
123 }
124 } else {
125 output()->print_cr("Help unavailable : '%s' : No such command", _cmd.value());
126 }
127 } else {
128 output()->print_cr("The following commands are available:");
129 GrowableArray<const char *>* cmd_list = DCmdFactory::DCmd_list(source);
130 for (int i = 0; i < cmd_list->length(); i++) {
131 DCmdFactory* factory = DCmdFactory::factory(source, cmd_list->at(i),
132 strlen(cmd_list->at(i)));
133 output()->print_cr("%s%s", factory->name(),
134 factory->is_enabled() ? "" : " [disabled]");
135 factory = factory->_next;
136 }
137 output()->print_cr("\nFor more information about a specific command use 'help <command>'.");
138 }
139 }
140
141 int HelpDCmd::num_arguments() {
142 ResourceMark rm;
143 HelpDCmd* dcmd = new HelpDCmd(NULL, false);
144 if (dcmd != NULL) {
145 DCmdMark mark(dcmd);
146 return dcmd->_dcmdparser.num_arguments();
147 } else {
148 return 0;
149 }
150 }
151
152 void VersionDCmd::execute(DCmdSource source, TRAPS) {
153 output()->print_cr("%s version %s", Abstract_VM_Version::vm_name(),
154 Abstract_VM_Version::vm_release());
155 JDK_Version jdk_version = JDK_Version::current();
156 if (jdk_version.update_version() > 0) {
157 output()->print_cr("JDK %d.%d_%02d", jdk_version.major_version(),
158 jdk_version.minor_version(), jdk_version.update_version());
159 } else {
160 output()->print_cr("JDK %d.%d", jdk_version.major_version(),
161 jdk_version.minor_version());
162 }
163 }
164
165 PrintVMFlagsDCmd::PrintVMFlagsDCmd(outputStream* output, bool heap) :
166 DCmdWithParser(output, heap),
167 _all("-all", "Print all flags supported by the VM", "BOOLEAN", false, "false") {
168 _dcmdparser.add_dcmd_option(&_all);
169 }
170
171 void PrintVMFlagsDCmd::execute(DCmdSource source, TRAPS) {
172 if (_all.value()) {
173 CommandLineFlags::printFlags(output(), true);
174 } else {
175 CommandLineFlags::printSetFlags(output());
176 }
177 }
178
179 int PrintVMFlagsDCmd::num_arguments() {
180 ResourceMark rm;
181 PrintVMFlagsDCmd* dcmd = new PrintVMFlagsDCmd(NULL, false);
182 if (dcmd != NULL) {
183 DCmdMark mark(dcmd);
184 return dcmd->_dcmdparser.num_arguments();
185 } else {
186 return 0;
187 }
188 }
189
190 void PrintSystemPropertiesDCmd::execute(DCmdSource source, TRAPS) {
191 // load sun.misc.VMSupport
192 Symbol* klass = vmSymbols::sun_misc_VMSupport();
193 Klass* k = SystemDictionary::resolve_or_fail(klass, true, CHECK);
194 instanceKlassHandle ik (THREAD, k);
195 if (ik->should_be_initialized()) {
196 ik->initialize(THREAD);
197 }
198 if (HAS_PENDING_EXCEPTION) {
199 java_lang_Throwable::print(PENDING_EXCEPTION, output());
200 output()->cr();
201 CLEAR_PENDING_EXCEPTION;
202 return;
203 }
204
205 // invoke the serializePropertiesToByteArray method
206 JavaValue result(T_OBJECT);
207 JavaCallArguments args;
208
209 Symbol* signature = vmSymbols::serializePropertiesToByteArray_signature();
210 JavaCalls::call_static(&result,
211 ik,
212 vmSymbols::serializePropertiesToByteArray_name(),
213 signature,
214 &args,
215 THREAD);
216 if (HAS_PENDING_EXCEPTION) {
217 java_lang_Throwable::print(PENDING_EXCEPTION, output());
218 output()->cr();
219 CLEAR_PENDING_EXCEPTION;
220 return;
221 }
222
223 // The result should be a [B
224 oop res = (oop)result.get_jobject();
225 assert(res->is_typeArray(), "just checking");
226 assert(TypeArrayKlass::cast(res->klass())->element_type() == T_BYTE, "just checking");
227
228 // copy the bytes to the output stream
229 typeArrayOop ba = typeArrayOop(res);
230 jbyte* addr = typeArrayOop(res)->byte_at_addr(0);
231 output()->print_raw((const char*)addr, ba->length());
232 }
233
234 VMUptimeDCmd::VMUptimeDCmd(outputStream* output, bool heap) :
235 DCmdWithParser(output, heap),
236 _date("-date", "Add a prefix with current date", "BOOLEAN", false, "false") {
237 _dcmdparser.add_dcmd_option(&_date);
238 }
239
240 void VMUptimeDCmd::execute(DCmdSource source, TRAPS) {
241 if (_date.value()) {
242 output()->date_stamp(true, "", ": ");
243 }
244 output()->time_stamp().update_to(tty->time_stamp().ticks());
245 output()->stamp();
246 output()->print_cr(" s");
247 }
248
249 int VMUptimeDCmd::num_arguments() {
250 ResourceMark rm;
251 VMUptimeDCmd* dcmd = new VMUptimeDCmd(NULL, false);
252 if (dcmd != NULL) {
253 DCmdMark mark(dcmd);
254 return dcmd->_dcmdparser.num_arguments();
255 } else {
256 return 0;
257 }
258 }
259
260 void SystemGCDCmd::execute(DCmdSource source, TRAPS) {
261 if (!DisableExplicitGC) {
262 Universe::heap()->collect(GCCause::_java_lang_system_gc);
263 } else {
264 output()->print_cr("Explicit GC is disabled, no GC has been performed.");
265 }
266 }
267
268 void RunFinalizationDCmd::execute(DCmdSource source, TRAPS) {
269 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_System(),
270 true, CHECK);
271 instanceKlassHandle klass(THREAD, k);
272 JavaValue result(T_VOID);
273 JavaCalls::call_static(&result, klass,
274 vmSymbols::run_finalization_name(),
275 vmSymbols::void_method_signature(), CHECK);
276 }
277
278 #if INCLUDE_SERVICES // Heap dumping/inspection supported
279 HeapDumpDCmd::HeapDumpDCmd(outputStream* output, bool heap) :
280 DCmdWithParser(output, heap),
281 _filename("filename","Name of the dump file", "STRING",true),
282 _all("-all", "Dump all objects, including unreachable objects",
283 "BOOLEAN", false, "false") {
284 _dcmdparser.add_dcmd_option(&_all);
285 _dcmdparser.add_dcmd_argument(&_filename);
286 }
287
288 void HeapDumpDCmd::execute(DCmdSource source, TRAPS) {
289 // Request a full GC before heap dump if _all is false
290 // This helps reduces the amount of unreachable objects in the dump
291 // and makes it easier to browse.
292 HeapDumper dumper(!_all.value() /* request GC if _all is false*/);
293 int res = dumper.dump(_filename.value());
294 if (res == 0) {
295 output()->print_cr("Heap dump file created");
296 } else {
297 // heap dump failed
298 ResourceMark rm;
299 char* error = dumper.error_as_C_string();
300 if (error == NULL) {
301 output()->print_cr("Dump failed - reason unknown");
302 } else {
303 output()->print_cr("%s", error);
304 }
305 }
306 }
307
308 int HeapDumpDCmd::num_arguments() {
309 ResourceMark rm;
310 HeapDumpDCmd* dcmd = new HeapDumpDCmd(NULL, false);
311 if (dcmd != NULL) {
312 DCmdMark mark(dcmd);
313 return dcmd->_dcmdparser.num_arguments();
314 } else {
315 return 0;
316 }
317 }
318
319 ClassHistogramDCmd::ClassHistogramDCmd(outputStream* output, bool heap) :
320 DCmdWithParser(output, heap),
321 _all("-all", "Inspect all objects, including unreachable objects",
322 "BOOLEAN", false, "false") {
323 _dcmdparser.add_dcmd_option(&_all);
324 }
325
326 void ClassHistogramDCmd::execute(DCmdSource source, TRAPS) {
327 VM_GC_HeapInspection heapop(output(),
328 !_all.value() /* request full gc if false */);
329 VMThread::execute(&heapop);
330 }
331
332 int ClassHistogramDCmd::num_arguments() {
333 ResourceMark rm;
334 ClassHistogramDCmd* dcmd = new ClassHistogramDCmd(NULL, false);
335 if (dcmd != NULL) {
336 DCmdMark mark(dcmd);
337 return dcmd->_dcmdparser.num_arguments();
338 } else {
339 return 0;
340 }
341 }
342
343 #define DEFAULT_COLUMNS "InstBytes,KlassBytes,CpAll,annotations,MethodCount,Bytecodes,MethodAll,ROAll,RWAll,Total"
344 ClassStatsDCmd::ClassStatsDCmd(outputStream* output, bool heap) :
345 DCmdWithParser(output, heap),
346 _csv("-csv", "Print in CSV (comma-separated values) format for spreadsheets",
347 "BOOLEAN", false, "false"),
348 _all("-all", "Show all columns",
349 "BOOLEAN", false, "false"),
350 _help("-help", "Show meaning of all the columns",
351 "BOOLEAN", false, "false"),
352 _columns("columns", "Comma-separated list of all the columns to show. "
353 "If not specified, the following columns are shown: " DEFAULT_COLUMNS,
354 "STRING", false) {
355 _dcmdparser.add_dcmd_option(&_all);
356 _dcmdparser.add_dcmd_option(&_csv);
357 _dcmdparser.add_dcmd_option(&_help);
358 _dcmdparser.add_dcmd_argument(&_columns);
359 }
360
361 void ClassStatsDCmd::execute(DCmdSource source, TRAPS) {
362 if (!UnlockDiagnosticVMOptions) {
363 output()->print_cr("GC.class_stats command requires -XX:+UnlockDiagnosticVMOptions");
364 return;
365 }
366
367 VM_GC_HeapInspection heapop(output(),
368 true /* request_full_gc */);
369 heapop.set_csv_format(_csv.value());
370 heapop.set_print_help(_help.value());
371 heapop.set_print_class_stats(true);
372 if (_all.value()) {
373 if (_columns.has_value()) {
374 output()->print_cr("Cannot specify -all and individual columns at the same time");
375 return;
376 } else {
377 heapop.set_columns(NULL);
378 }
379 } else {
380 if (_columns.has_value()) {
381 heapop.set_columns(_columns.value());
382 } else {
383 heapop.set_columns(DEFAULT_COLUMNS);
384 }
385 }
386 VMThread::execute(&heapop);
387 }
388
389 int ClassStatsDCmd::num_arguments() {
390 ResourceMark rm;
391 ClassStatsDCmd* dcmd = new ClassStatsDCmd(NULL, false);
392 if (dcmd != NULL) {
393 DCmdMark mark(dcmd);
394 return dcmd->_dcmdparser.num_arguments();
395 } else {
396 return 0;
397 }
398 }
399 #endif // INCLUDE_SERVICES
400
401 ThreadDumpDCmd::ThreadDumpDCmd(outputStream* output, bool heap) :
402 DCmdWithParser(output, heap),
403 _locks("-l", "print java.util.concurrent locks", "BOOLEAN", false, "false") {
404 _dcmdparser.add_dcmd_option(&_locks);
405 }
406
407 void ThreadDumpDCmd::execute(DCmdSource source, TRAPS) {
408 // thread stacks
409 VM_PrintThreads op1(output(), _locks.value());
410 VMThread::execute(&op1);
411
412 // JNI global handles
413 VM_PrintJNI op2(output());
414 VMThread::execute(&op2);
415
416 // Deadlock detection
417 VM_FindDeadlocks op3(output());
418 VMThread::execute(&op3);
419 }
420
421 int ThreadDumpDCmd::num_arguments() {
422 ResourceMark rm;
423 ThreadDumpDCmd* dcmd = new ThreadDumpDCmd(NULL, false);
424 if (dcmd != NULL) {
425 DCmdMark mark(dcmd);
426 return dcmd->_dcmdparser.num_arguments();
427 } else {
428 return 0;
429 }
430 }
431
432 // Enhanced JMX Agent support
433
434 JMXStartRemoteDCmd::JMXStartRemoteDCmd(outputStream *output, bool heap_allocated) :
435
436 DCmdWithParser(output, heap_allocated),
437
438 _config_file
439 ("config.file",
440 "set com.sun.management.config.file", "STRING", false),
441
442 _jmxremote_port
443 ("jmxremote.port",
444 "set com.sun.management.jmxremote.port", "STRING", false),
445
446 _jmxremote_rmi_port
447 ("jmxremote.rmi.port",
448 "set com.sun.management.jmxremote.rmi.port", "STRING", false),
449
450 _jmxremote_ssl
451 ("jmxremote.ssl",
452 "set com.sun.management.jmxremote.ssl", "STRING", false),
453
454 _jmxremote_registry_ssl
455 ("jmxremote.registry.ssl",
456 "set com.sun.management.jmxremote.registry.ssl", "STRING", false),
457
458 _jmxremote_authenticate
459 ("jmxremote.authenticate",
460 "set com.sun.management.jmxremote.authenticate", "STRING", false),
461
462 _jmxremote_password_file
463 ("jmxremote.password.file",
464 "set com.sun.management.jmxremote.password.file", "STRING", false),
465
466 _jmxremote_access_file
467 ("jmxremote.access.file",
468 "set com.sun.management.jmxremote.access.file", "STRING", false),
469
470 _jmxremote_login_config
471 ("jmxremote.login.config",
472 "set com.sun.management.jmxremote.login.config", "STRING", false),
473
474 _jmxremote_ssl_enabled_cipher_suites
475 ("jmxremote.ssl.enabled.cipher.suites",
476 "set com.sun.management.jmxremote.ssl.enabled.cipher.suite", "STRING", false),
477
478 _jmxremote_ssl_enabled_protocols
479 ("jmxremote.ssl.enabled.protocols",
480 "set com.sun.management.jmxremote.ssl.enabled.protocols", "STRING", false),
481
482 _jmxremote_ssl_need_client_auth
483 ("jmxremote.ssl.need.client.auth",
484 "set com.sun.management.jmxremote.need.client.auth", "STRING", false),
485
486 _jmxremote_ssl_config_file
487 ("jmxremote.ssl.config.file",
488 "set com.sun.management.jmxremote.ssl_config_file", "STRING", false),
489
490 // JDP Protocol support
491 _jmxremote_autodiscovery
492 ("jmxremote.autodiscovery",
493 "set com.sun.management.jmxremote.autodiscovery", "STRING", false),
494
495 _jdp_port
496 ("jdp.port",
497 "set com.sun.management.jdp.port", "INT", false),
498
499 _jdp_address
500 ("jdp.address",
501 "set com.sun.management.jdp.address", "STRING", false),
502
503 _jdp_source_addr
504 ("jdp.source_addr",
505 "set com.sun.management.jdp.source_addr", "STRING", false),
506
507 _jdp_ttl
508 ("jdp.ttl",
509 "set com.sun.management.jdp.ttl", "INT", false),
510
511 _jdp_pause
512 ("jdp.pause",
513 "set com.sun.management.jdp.pause", "INT", false),
514
515 _jdp_name
516 ("jdp.name",
517 "set com.sun.management.jdp.name", "STRING", false)
518
519 {
520 _dcmdparser.add_dcmd_option(&_config_file);
521 _dcmdparser.add_dcmd_option(&_jmxremote_port);
522 _dcmdparser.add_dcmd_option(&_jmxremote_rmi_port);
523 _dcmdparser.add_dcmd_option(&_jmxremote_ssl);
524 _dcmdparser.add_dcmd_option(&_jmxremote_registry_ssl);
525 _dcmdparser.add_dcmd_option(&_jmxremote_authenticate);
526 _dcmdparser.add_dcmd_option(&_jmxremote_password_file);
527 _dcmdparser.add_dcmd_option(&_jmxremote_access_file);
528 _dcmdparser.add_dcmd_option(&_jmxremote_login_config);
529 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_cipher_suites);
530 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_protocols);
531 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_need_client_auth);
532 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_config_file);
533 _dcmdparser.add_dcmd_option(&_jmxremote_autodiscovery);
534 _dcmdparser.add_dcmd_option(&_jdp_port);
535 _dcmdparser.add_dcmd_option(&_jdp_address);
536 _dcmdparser.add_dcmd_option(&_jdp_source_addr);
537 _dcmdparser.add_dcmd_option(&_jdp_ttl);
538 _dcmdparser.add_dcmd_option(&_jdp_pause);
539 _dcmdparser.add_dcmd_option(&_jdp_name);
540 }
541
542
543 int JMXStartRemoteDCmd::num_arguments() {
544 ResourceMark rm;
545 JMXStartRemoteDCmd* dcmd = new JMXStartRemoteDCmd(NULL, false);
546 if (dcmd != NULL) {
547 DCmdMark mark(dcmd);
548 return dcmd->_dcmdparser.num_arguments();
549 } else {
550 return 0;
551 }
552 }
553
554
555 void JMXStartRemoteDCmd::execute(DCmdSource source, TRAPS) {
556 ResourceMark rm(THREAD);
557 HandleMark hm(THREAD);
558
559 // Load and initialize the sun.management.Agent class
560 // invoke startRemoteManagementAgent(string) method to start
561 // the remote management server.
562 // throw java.lang.NoSuchMethodError if the method doesn't exist
563
564 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
565 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
566 instanceKlassHandle ik (THREAD, k);
567
568 JavaValue result(T_VOID);
569
570 // Pass all command line arguments to java as key=value,...
571 // All checks are done on java side
572
573 int len = 0;
574 stringStream options;
575 char comma[2] = {0,0};
576
577 // Leave default values on Agent.class side and pass only
578 // agruments explicitly set by user. All arguments passed
579 // to jcmd override properties with the same name set by
580 // command line with -D or by managmenent.properties
581 // file.
582 #define PUT_OPTION(a) \
583 if ( (a).is_set() ){ \
584 options.print(\
585 ( *((a).type()) == 'I' ) ? "%scom.sun.management.%s=%d" : "%scom.sun.management.%s=%s",\
586 comma, (a).name(), (a).value()); \
587 comma[0] = ','; \
588 }
589
590 PUT_OPTION(_config_file);
591 PUT_OPTION(_jmxremote_port);
592 PUT_OPTION(_jmxremote_rmi_port);
593 PUT_OPTION(_jmxremote_ssl);
594 PUT_OPTION(_jmxremote_registry_ssl);
595 PUT_OPTION(_jmxremote_authenticate);
596 PUT_OPTION(_jmxremote_password_file);
597 PUT_OPTION(_jmxremote_access_file);
598 PUT_OPTION(_jmxremote_login_config);
599 PUT_OPTION(_jmxremote_ssl_enabled_cipher_suites);
600 PUT_OPTION(_jmxremote_ssl_enabled_protocols);
601 PUT_OPTION(_jmxremote_ssl_need_client_auth);
602 PUT_OPTION(_jmxremote_ssl_config_file);
603 PUT_OPTION(_jmxremote_autodiscovery);
604 PUT_OPTION(_jdp_port);
605 PUT_OPTION(_jdp_address);
606 PUT_OPTION(_jdp_source_addr);
607 PUT_OPTION(_jdp_ttl);
608 PUT_OPTION(_jdp_pause);
609 PUT_OPTION(_jdp_name);
610
611 #undef PUT_OPTION
612
613 Handle str = java_lang_String::create_from_str(options.as_string(), CHECK);
614 JavaCalls::call_static(&result, ik, vmSymbols::startRemoteAgent_name(), vmSymbols::string_void_signature(), str, CHECK);
615 }
616
617 JMXStartLocalDCmd::JMXStartLocalDCmd(outputStream *output, bool heap_allocated) :
618 DCmd(output, heap_allocated) {
619 // do nothing
620 }
621
622 void JMXStartLocalDCmd::execute(DCmdSource source, TRAPS) {
623 ResourceMark rm(THREAD);
624 HandleMark hm(THREAD);
625
626 // Load and initialize the sun.management.Agent class
627 // invoke startLocalManagementAgent(void) method to start
628 // the local management server
629 // throw java.lang.NoSuchMethodError if method doesn't exist
630
631 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
632 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
633 instanceKlassHandle ik (THREAD, k);
634
635 JavaValue result(T_VOID);
636 JavaCalls::call_static(&result, ik, vmSymbols::startLocalAgent_name(), vmSymbols::void_method_signature(), CHECK);
637 }
638
639 void JMXStopRemoteDCmd::execute(DCmdSource source, TRAPS) {
640 ResourceMark rm(THREAD);
641 HandleMark hm(THREAD);
642
643 // Load and initialize the sun.management.Agent class
644 // invoke stopRemoteManagementAgent method to stop the
645 // management server
646 // throw java.lang.NoSuchMethodError if method doesn't exist
647
648 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
649 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
650 instanceKlassHandle ik (THREAD, k);
651
652 JavaValue result(T_VOID);
653 JavaCalls::call_static(&result, ik, vmSymbols::stopRemoteAgent_name(), vmSymbols::void_method_signature(), CHECK);
654 }
655
656 VMDynamicLibrariesDCmd::VMDynamicLibrariesDCmd(outputStream *output, bool heap_allocated) :
657 DCmd(output, heap_allocated) {
658 // do nothing
659 }
660
661 void VMDynamicLibrariesDCmd::execute(DCmdSource source, TRAPS) {
662 os::print_dll_info(output());
663 output()->cr();
664 }
665
666 void RotateGCLogDCmd::execute(DCmdSource source, TRAPS) {
667 if (UseGCLogFileRotation) {
668 VM_RotateGCLog rotateop(output());
669 VMThread::execute(&rotateop);
670 } else {
671 output()->print_cr("Target VM does not support GC log file rotation.");
672 }
673 }
674