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