1 /*
2 * Copyright (c) 2011, 2017, 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 #include "oops/objArrayOop.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 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HeapInfoDCmd>(full_export, true, false));
56 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<FinalizerInfoDCmd>(full_export, true, false));
57 #if INCLUDE_SERVICES // Heap dumping/inspection supported
58 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HeapDumpDCmd>(DCmd_Source_Internal | DCmd_Source_AttachAPI, true, false));
59 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassHistogramDCmd>(full_export, true, false));
60 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassStatsDCmd>(full_export, true, false));
61 #endif // INCLUDE_SERVICES
62 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ThreadDumpDCmd>(full_export, true, false));
63 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RotateGCLogDCmd>(full_export, true, false));
64
65 // Enhanced JMX Agent Support
66 // These commands won't be exported via the DiagnosticCommandMBean until an
67 // appropriate permission is created for them
68 uint32_t jmx_agent_export_flags = DCmd_Source_Internal | DCmd_Source_AttachAPI;
69 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartRemoteDCmd>(jmx_agent_export_flags, true,false));
70 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartLocalDCmd>(jmx_agent_export_flags, true,false));
71 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStopRemoteDCmd>(jmx_agent_export_flags, true,false));
72
73 }
74
75 #ifndef HAVE_EXTRA_DCMD
76 void DCmdRegistrant::register_dcmds_ext(){
77 // Do nothing here
78 }
79 #endif
80
81
82 HelpDCmd::HelpDCmd(outputStream* output, bool heap) : DCmdWithParser(output, heap),
83 _all("-all", "Show help for all commands", "BOOLEAN", false, "false"),
84 _cmd("command name", "The name of the command for which we want help",
85 "STRING", false) {
86 _dcmdparser.add_dcmd_option(&_all);
87 _dcmdparser.add_dcmd_argument(&_cmd);
88 };
89
90 void HelpDCmd::execute(DCmdSource source, TRAPS) {
91 if (_all.value()) {
92 GrowableArray<const char*>* cmd_list = DCmdFactory::DCmd_list(source);
93 for (int i = 0; i < cmd_list->length(); i++) {
94 DCmdFactory* factory = DCmdFactory::factory(source, cmd_list->at(i),
95 strlen(cmd_list->at(i)));
96 output()->print_cr("%s%s", factory->name(),
97 factory->is_enabled() ? "" : " [disabled]");
98 output()->print_cr("\t%s", factory->description());
99 output()->cr();
100 factory = factory->next();
101 }
102 } else if (_cmd.has_value()) {
103 DCmd* cmd = NULL;
104 DCmdFactory* factory = DCmdFactory::factory(source, _cmd.value(),
105 strlen(_cmd.value()));
106 if (factory != NULL) {
107 output()->print_cr("%s%s", factory->name(),
108 factory->is_enabled() ? "" : " [disabled]");
109 output()->print_cr("%s", factory->description());
110 output()->print_cr("\nImpact: %s", factory->impact());
111 JavaPermission p = factory->permission();
112 if(p._class != NULL) {
113 if(p._action != NULL) {
114 output()->print_cr("\nPermission: %s(%s, %s)",
115 p._class, p._name == NULL ? "null" : p._name, p._action);
116 } else {
117 output()->print_cr("\nPermission: %s(%s)",
118 p._class, p._name == NULL ? "null" : p._name);
119 }
120 }
121 output()->cr();
122 cmd = factory->create_resource_instance(output());
123 if (cmd != NULL) {
124 DCmdMark mark(cmd);
125 cmd->print_help(factory->name());
126 }
127 } else {
128 output()->print_cr("Help unavailable : '%s' : No such command", _cmd.value());
129 }
130 } else {
131 output()->print_cr("The following commands are available:");
132 GrowableArray<const char *>* cmd_list = DCmdFactory::DCmd_list(source);
133 for (int i = 0; i < cmd_list->length(); i++) {
134 DCmdFactory* factory = DCmdFactory::factory(source, cmd_list->at(i),
135 strlen(cmd_list->at(i)));
136 output()->print_cr("%s%s", factory->name(),
137 factory->is_enabled() ? "" : " [disabled]");
138 factory = factory->_next;
139 }
140 output()->print_cr("\nFor more information about a specific command use 'help <command>'.");
141 }
142 }
143
144 int HelpDCmd::num_arguments() {
145 ResourceMark rm;
146 HelpDCmd* dcmd = new HelpDCmd(NULL, false);
147 if (dcmd != NULL) {
148 DCmdMark mark(dcmd);
149 return dcmd->_dcmdparser.num_arguments();
150 } else {
151 return 0;
152 }
153 }
154
155 void VersionDCmd::execute(DCmdSource source, TRAPS) {
156 output()->print_cr("%s version %s", Abstract_VM_Version::vm_name(),
157 Abstract_VM_Version::vm_release());
158 JDK_Version jdk_version = JDK_Version::current();
159 if (jdk_version.update_version() > 0) {
160 output()->print_cr("JDK %d.%d_%02d", jdk_version.major_version(),
161 jdk_version.minor_version(), jdk_version.update_version());
162 } else {
163 output()->print_cr("JDK %d.%d", jdk_version.major_version(),
164 jdk_version.minor_version());
165 }
166 }
167
168 PrintVMFlagsDCmd::PrintVMFlagsDCmd(outputStream* output, bool heap) :
169 DCmdWithParser(output, heap),
170 _all("-all", "Print all flags supported by the VM", "BOOLEAN", false, "false") {
171 _dcmdparser.add_dcmd_option(&_all);
172 }
173
174 void PrintVMFlagsDCmd::execute(DCmdSource source, TRAPS) {
175 if (_all.value()) {
176 CommandLineFlags::printFlags(output(), true);
177 } else {
178 CommandLineFlags::printSetFlags(output());
179 }
180 }
181
182 int PrintVMFlagsDCmd::num_arguments() {
183 ResourceMark rm;
184 PrintVMFlagsDCmd* dcmd = new PrintVMFlagsDCmd(NULL, false);
185 if (dcmd != NULL) {
186 DCmdMark mark(dcmd);
187 return dcmd->_dcmdparser.num_arguments();
188 } else {
189 return 0;
190 }
191 }
192
193 void PrintSystemPropertiesDCmd::execute(DCmdSource source, TRAPS) {
194 // load sun.misc.VMSupport
195 Symbol* klass = vmSymbols::sun_misc_VMSupport();
196 Klass* k = SystemDictionary::resolve_or_fail(klass, true, CHECK);
197 instanceKlassHandle ik (THREAD, k);
198 if (ik->should_be_initialized()) {
199 ik->initialize(THREAD);
200 }
201 if (HAS_PENDING_EXCEPTION) {
202 java_lang_Throwable::print(PENDING_EXCEPTION, output());
203 output()->cr();
204 CLEAR_PENDING_EXCEPTION;
205 return;
206 }
207
208 // invoke the serializePropertiesToByteArray method
209 JavaValue result(T_OBJECT);
210 JavaCallArguments args;
211
212 Symbol* signature = vmSymbols::serializePropertiesToByteArray_signature();
213 JavaCalls::call_static(&result,
214 ik,
215 vmSymbols::serializePropertiesToByteArray_name(),
216 signature,
217 &args,
218 THREAD);
219 if (HAS_PENDING_EXCEPTION) {
220 java_lang_Throwable::print(PENDING_EXCEPTION, output());
221 output()->cr();
222 CLEAR_PENDING_EXCEPTION;
223 return;
224 }
225
226 // The result should be a [B
227 oop res = (oop)result.get_jobject();
228 assert(res->is_typeArray(), "just checking");
229 assert(TypeArrayKlass::cast(res->klass())->element_type() == T_BYTE, "just checking");
230
231 // copy the bytes to the output stream
232 typeArrayOop ba = typeArrayOop(res);
233 jbyte* addr = typeArrayOop(res)->byte_at_addr(0);
234 output()->print_raw((const char*)addr, ba->length());
235 }
236
237 VMUptimeDCmd::VMUptimeDCmd(outputStream* output, bool heap) :
238 DCmdWithParser(output, heap),
239 _date("-date", "Add a prefix with current date", "BOOLEAN", false, "false") {
240 _dcmdparser.add_dcmd_option(&_date);
241 }
242
243 void VMUptimeDCmd::execute(DCmdSource source, TRAPS) {
244 if (_date.value()) {
245 output()->date_stamp(true, "", ": ");
246 }
247 output()->time_stamp().update_to(tty->time_stamp().ticks());
248 output()->stamp();
249 output()->print_cr(" s");
250 }
251
252 int VMUptimeDCmd::num_arguments() {
253 ResourceMark rm;
254 VMUptimeDCmd* dcmd = new VMUptimeDCmd(NULL, false);
255 if (dcmd != NULL) {
256 DCmdMark mark(dcmd);
257 return dcmd->_dcmdparser.num_arguments();
258 } else {
259 return 0;
260 }
261 }
262
263 void SystemGCDCmd::execute(DCmdSource source, TRAPS) {
264 if (!DisableExplicitGC) {
265 Universe::heap()->collect(GCCause::_java_lang_system_gc);
266 } else {
267 output()->print_cr("Explicit GC is disabled, no GC has been performed.");
268 }
269 }
270
271 void RunFinalizationDCmd::execute(DCmdSource source, TRAPS) {
272 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_System(),
273 true, CHECK);
274 instanceKlassHandle klass(THREAD, k);
275 JavaValue result(T_VOID);
276 JavaCalls::call_static(&result, klass,
277 vmSymbols::run_finalization_name(),
278 vmSymbols::void_method_signature(), CHECK);
279 }
280
281 void HeapInfoDCmd::execute(DCmdSource source, TRAPS) {
282 Universe::heap()->print_on(output());
283 }
284
285 void FinalizerInfoDCmd::execute(DCmdSource source, TRAPS) {
286 ResourceMark rm;
287
288
289 Klass* k = SystemDictionary::resolve_or_null(
290 vmSymbols::finalizer_histogram_klass(), THREAD);
291 assert(k != NULL, "FinalizerHistogram class is not accessible");
292
293 instanceKlassHandle klass(THREAD, k);
294 JavaValue result(T_ARRAY);
295
296 // We are calling lang.ref.FinalizerHistogram.getFinalizerHistogram() method
297 // and expect it to return array of FinalizerHistogramEntry as Object[]
298
299 JavaCalls::call_static(&result, klass,
300 vmSymbols::get_finalizer_histogram_name(),
301 vmSymbols::void_finalizer_histogram_entry_array_signature(), CHECK);
302
303 objArrayOop result_oop = (objArrayOop) result.get_jobject();
304 if (result_oop->length() == 0) {
305 output()->print_cr("No instances waiting for finalization found");
306 return;
307 }
308
309 oop foop = result_oop->obj_at(0);
310 InstanceKlass* ik = InstanceKlass::cast(foop->klass());
311
312 fieldDescriptor count_fd, name_fd;
313
314 Klass* count_res = ik->find_field(
315 vmSymbols::finalizer_histogram_entry_count_field(), vmSymbols::int_signature(), &count_fd);
316
317 Klass* name_res = ik->find_field(
318 vmSymbols::finalizer_histogram_entry_name_field(), vmSymbols::string_signature(), &name_fd);
319
320 assert(count_res != NULL && name_res != NULL, "Unexpected layout of FinalizerHistogramEntry");
321
322 output()->print_cr("Unreachable instances waiting for finalization");
323 output()->print_cr("#instances class name");
324 output()->print_cr("-----------------------");
325
326 for (int i = 0; i < result_oop->length(); ++i) {
327 oop element_oop = result_oop->obj_at(i);
328 oop str_oop = element_oop->obj_field(name_fd.offset());
329 char *name = java_lang_String::as_utf8_string(str_oop);
330 int count = element_oop->int_field(count_fd.offset());
331 output()->print_cr("%10d %s", count, name);
332 }
333 }
334
335 #if INCLUDE_SERVICES // Heap dumping/inspection supported
336 HeapDumpDCmd::HeapDumpDCmd(outputStream* output, bool heap) :
337 DCmdWithParser(output, heap),
338 _filename("filename","Name of the dump file", "STRING",true),
339 _all("-all", "Dump all objects, including unreachable objects",
340 "BOOLEAN", false, "false") {
341 _dcmdparser.add_dcmd_option(&_all);
342 _dcmdparser.add_dcmd_argument(&_filename);
343 }
344
345 void HeapDumpDCmd::execute(DCmdSource source, TRAPS) {
346 // Request a full GC before heap dump if _all is false
347 // This helps reduces the amount of unreachable objects in the dump
348 // and makes it easier to browse.
349 HeapDumper dumper(!_all.value() /* request GC if _all is false*/);
350 int res = dumper.dump(_filename.value());
351 if (res == 0) {
352 output()->print_cr("Heap dump file created");
353 } else {
354 // heap dump failed
355 ResourceMark rm;
356 char* error = dumper.error_as_C_string();
357 if (error == NULL) {
358 output()->print_cr("Dump failed - reason unknown");
359 } else {
360 output()->print_cr("%s", error);
361 }
362 }
363 }
364
365 int HeapDumpDCmd::num_arguments() {
366 ResourceMark rm;
367 HeapDumpDCmd* dcmd = new HeapDumpDCmd(NULL, false);
368 if (dcmd != NULL) {
369 DCmdMark mark(dcmd);
370 return dcmd->_dcmdparser.num_arguments();
371 } else {
372 return 0;
373 }
374 }
375
376 ClassHistogramDCmd::ClassHistogramDCmd(outputStream* output, bool heap) :
377 DCmdWithParser(output, heap),
378 _all("-all", "Inspect all objects, including unreachable objects",
379 "BOOLEAN", false, "false") {
380 _dcmdparser.add_dcmd_option(&_all);
381 }
382
383 void ClassHistogramDCmd::execute(DCmdSource source, TRAPS) {
384 VM_GC_HeapInspection heapop(output(),
385 !_all.value() /* request full gc if false */);
386 VMThread::execute(&heapop);
387 }
388
389 int ClassHistogramDCmd::num_arguments() {
390 ResourceMark rm;
391 ClassHistogramDCmd* dcmd = new ClassHistogramDCmd(NULL, false);
392 if (dcmd != NULL) {
393 DCmdMark mark(dcmd);
394 return dcmd->_dcmdparser.num_arguments();
395 } else {
396 return 0;
397 }
398 }
399
400 #define DEFAULT_COLUMNS "InstBytes,KlassBytes,CpAll,annotations,MethodCount,Bytecodes,MethodAll,ROAll,RWAll,Total"
401 ClassStatsDCmd::ClassStatsDCmd(outputStream* output, bool heap) :
402 DCmdWithParser(output, heap),
403 _csv("-csv", "Print in CSV (comma-separated values) format for spreadsheets",
404 "BOOLEAN", false, "false"),
405 _all("-all", "Show all columns",
406 "BOOLEAN", false, "false"),
407 _help("-help", "Show meaning of all the columns",
408 "BOOLEAN", false, "false"),
409 _columns("columns", "Comma-separated list of all the columns to show. "
410 "If not specified, the following columns are shown: " DEFAULT_COLUMNS,
411 "STRING", false) {
412 _dcmdparser.add_dcmd_option(&_all);
413 _dcmdparser.add_dcmd_option(&_csv);
414 _dcmdparser.add_dcmd_option(&_help);
415 _dcmdparser.add_dcmd_argument(&_columns);
416 }
417
418 void ClassStatsDCmd::execute(DCmdSource source, TRAPS) {
419 if (!UnlockDiagnosticVMOptions) {
420 output()->print_cr("GC.class_stats command requires -XX:+UnlockDiagnosticVMOptions");
421 return;
422 }
423
424 VM_GC_HeapInspection heapop(output(),
425 true /* request_full_gc */);
426 heapop.set_csv_format(_csv.value());
427 heapop.set_print_help(_help.value());
428 heapop.set_print_class_stats(true);
429 if (_all.value()) {
430 if (_columns.has_value()) {
431 output()->print_cr("Cannot specify -all and individual columns at the same time");
432 return;
433 } else {
434 heapop.set_columns(NULL);
435 }
436 } else {
437 if (_columns.has_value()) {
438 heapop.set_columns(_columns.value());
439 } else {
440 heapop.set_columns(DEFAULT_COLUMNS);
441 }
442 }
443 VMThread::execute(&heapop);
444 }
445
446 int ClassStatsDCmd::num_arguments() {
447 ResourceMark rm;
448 ClassStatsDCmd* dcmd = new ClassStatsDCmd(NULL, false);
449 if (dcmd != NULL) {
450 DCmdMark mark(dcmd);
451 return dcmd->_dcmdparser.num_arguments();
452 } else {
453 return 0;
454 }
455 }
456 #endif // INCLUDE_SERVICES
457
458 ThreadDumpDCmd::ThreadDumpDCmd(outputStream* output, bool heap) :
459 DCmdWithParser(output, heap),
460 _locks("-l", "print java.util.concurrent locks", "BOOLEAN", false, "false") {
461 _dcmdparser.add_dcmd_option(&_locks);
462 }
463
464 void ThreadDumpDCmd::execute(DCmdSource source, TRAPS) {
465 // thread stacks
466 VM_PrintThreads op1(output(), _locks.value());
467 VMThread::execute(&op1);
468
469 // JNI global handles
470 VM_PrintJNI op2(output());
471 VMThread::execute(&op2);
472
473 // Deadlock detection
474 VM_FindDeadlocks op3(output());
475 VMThread::execute(&op3);
476 }
477
478 int ThreadDumpDCmd::num_arguments() {
479 ResourceMark rm;
480 ThreadDumpDCmd* dcmd = new ThreadDumpDCmd(NULL, false);
481 if (dcmd != NULL) {
482 DCmdMark mark(dcmd);
483 return dcmd->_dcmdparser.num_arguments();
484 } else {
485 return 0;
486 }
487 }
488
489 // Enhanced JMX Agent support
490
491 JMXStartRemoteDCmd::JMXStartRemoteDCmd(outputStream *output, bool heap_allocated) :
492
493 DCmdWithParser(output, heap_allocated),
494
495 _config_file
496 ("config.file",
497 "set com.sun.management.config.file", "STRING", false),
498
499 _jmxremote_host
500 ("jmxremote.host",
501 "set com.sun.management.jmxremote.host", "STRING", false),
502
503 _jmxremote_port
504 ("jmxremote.port",
505 "set com.sun.management.jmxremote.port", "STRING", false),
506
507 _jmxremote_rmi_port
508 ("jmxremote.rmi.port",
509 "set com.sun.management.jmxremote.rmi.port", "STRING", false),
510
511 _jmxremote_ssl
512 ("jmxremote.ssl",
513 "set com.sun.management.jmxremote.ssl", "STRING", false),
514
515 _jmxremote_registry_ssl
516 ("jmxremote.registry.ssl",
517 "set com.sun.management.jmxremote.registry.ssl", "STRING", false),
518
519 _jmxremote_authenticate
520 ("jmxremote.authenticate",
521 "set com.sun.management.jmxremote.authenticate", "STRING", false),
522
523 _jmxremote_password_file
524 ("jmxremote.password.file",
525 "set com.sun.management.jmxremote.password.file", "STRING", false),
526
527 _jmxremote_access_file
528 ("jmxremote.access.file",
529 "set com.sun.management.jmxremote.access.file", "STRING", false),
530
531 _jmxremote_login_config
532 ("jmxremote.login.config",
533 "set com.sun.management.jmxremote.login.config", "STRING", false),
534
535 _jmxremote_ssl_enabled_cipher_suites
536 ("jmxremote.ssl.enabled.cipher.suites",
537 "set com.sun.management.jmxremote.ssl.enabled.cipher.suite", "STRING", false),
538
539 _jmxremote_ssl_enabled_protocols
540 ("jmxremote.ssl.enabled.protocols",
541 "set com.sun.management.jmxremote.ssl.enabled.protocols", "STRING", false),
542
543 _jmxremote_ssl_need_client_auth
544 ("jmxremote.ssl.need.client.auth",
545 "set com.sun.management.jmxremote.need.client.auth", "STRING", false),
546
547 _jmxremote_ssl_config_file
548 ("jmxremote.ssl.config.file",
549 "set com.sun.management.jmxremote.ssl_config_file", "STRING", false),
550
551 // JDP Protocol support
552 _jmxremote_autodiscovery
553 ("jmxremote.autodiscovery",
554 "set com.sun.management.jmxremote.autodiscovery", "STRING", false),
555
556 _jdp_port
557 ("jdp.port",
558 "set com.sun.management.jdp.port", "INT", false),
559
560 _jdp_address
561 ("jdp.address",
562 "set com.sun.management.jdp.address", "STRING", false),
563
564 _jdp_source_addr
565 ("jdp.source_addr",
566 "set com.sun.management.jdp.source_addr", "STRING", false),
567
568 _jdp_ttl
569 ("jdp.ttl",
570 "set com.sun.management.jdp.ttl", "INT", false),
571
572 _jdp_pause
573 ("jdp.pause",
574 "set com.sun.management.jdp.pause", "INT", false),
575
576 _jdp_name
577 ("jdp.name",
578 "set com.sun.management.jdp.name", "STRING", false)
579
580 {
581 _dcmdparser.add_dcmd_option(&_config_file);
582 _dcmdparser.add_dcmd_option(&_jmxremote_host);
583 _dcmdparser.add_dcmd_option(&_jmxremote_port);
584 _dcmdparser.add_dcmd_option(&_jmxremote_rmi_port);
585 _dcmdparser.add_dcmd_option(&_jmxremote_ssl);
586 _dcmdparser.add_dcmd_option(&_jmxremote_registry_ssl);
587 _dcmdparser.add_dcmd_option(&_jmxremote_authenticate);
588 _dcmdparser.add_dcmd_option(&_jmxremote_password_file);
589 _dcmdparser.add_dcmd_option(&_jmxremote_access_file);
590 _dcmdparser.add_dcmd_option(&_jmxremote_login_config);
591 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_cipher_suites);
592 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_protocols);
593 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_need_client_auth);
594 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_config_file);
595 _dcmdparser.add_dcmd_option(&_jmxremote_autodiscovery);
596 _dcmdparser.add_dcmd_option(&_jdp_port);
597 _dcmdparser.add_dcmd_option(&_jdp_address);
598 _dcmdparser.add_dcmd_option(&_jdp_source_addr);
599 _dcmdparser.add_dcmd_option(&_jdp_ttl);
600 _dcmdparser.add_dcmd_option(&_jdp_pause);
601 _dcmdparser.add_dcmd_option(&_jdp_name);
602 }
603
604
605 int JMXStartRemoteDCmd::num_arguments() {
606 ResourceMark rm;
607 JMXStartRemoteDCmd* dcmd = new JMXStartRemoteDCmd(NULL, false);
608 if (dcmd != NULL) {
609 DCmdMark mark(dcmd);
610 return dcmd->_dcmdparser.num_arguments();
611 } else {
612 return 0;
613 }
614 }
615
616
617 void JMXStartRemoteDCmd::execute(DCmdSource source, TRAPS) {
618 ResourceMark rm(THREAD);
619 HandleMark hm(THREAD);
620
621 // Load and initialize the sun.management.Agent class
622 // invoke startRemoteManagementAgent(string) method to start
623 // the remote management server.
624 // throw java.lang.NoSuchMethodError if the method doesn't exist
625
626 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
627 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
628 instanceKlassHandle ik (THREAD, k);
629
630 JavaValue result(T_VOID);
631
632 // Pass all command line arguments to java as key=value,...
633 // All checks are done on java side
634
635 int len = 0;
636 stringStream options;
637 char comma[2] = {0,0};
638
639 // Leave default values on Agent.class side and pass only
640 // agruments explicitly set by user. All arguments passed
641 // to jcmd override properties with the same name set by
642 // command line with -D or by managmenent.properties
643 // file.
644 #define PUT_OPTION(a) \
645 if ( (a).is_set() ){ \
646 options.print(\
647 ( *((a).type()) == 'I' ) ? "%scom.sun.management.%s=%d" : "%scom.sun.management.%s=%s",\
648 comma, (a).name(), (a).value()); \
649 comma[0] = ','; \
650 }
651
652 PUT_OPTION(_config_file);
653 PUT_OPTION(_jmxremote_host);
654 PUT_OPTION(_jmxremote_port);
655 PUT_OPTION(_jmxremote_rmi_port);
656 PUT_OPTION(_jmxremote_ssl);
657 PUT_OPTION(_jmxremote_registry_ssl);
658 PUT_OPTION(_jmxremote_authenticate);
659 PUT_OPTION(_jmxremote_password_file);
660 PUT_OPTION(_jmxremote_access_file);
661 PUT_OPTION(_jmxremote_login_config);
662 PUT_OPTION(_jmxremote_ssl_enabled_cipher_suites);
663 PUT_OPTION(_jmxremote_ssl_enabled_protocols);
664 PUT_OPTION(_jmxremote_ssl_need_client_auth);
665 PUT_OPTION(_jmxremote_ssl_config_file);
666 PUT_OPTION(_jmxremote_autodiscovery);
667 PUT_OPTION(_jdp_port);
668 PUT_OPTION(_jdp_address);
669 PUT_OPTION(_jdp_source_addr);
670 PUT_OPTION(_jdp_ttl);
671 PUT_OPTION(_jdp_pause);
672 PUT_OPTION(_jdp_name);
673
674 #undef PUT_OPTION
675
676 Handle str = java_lang_String::create_from_str(options.as_string(), CHECK);
677 JavaCalls::call_static(&result, ik, vmSymbols::startRemoteAgent_name(), vmSymbols::string_void_signature(), str, CHECK);
678 }
679
680 JMXStartLocalDCmd::JMXStartLocalDCmd(outputStream *output, bool heap_allocated) :
681 DCmd(output, heap_allocated) {
682 // do nothing
683 }
684
685 void JMXStartLocalDCmd::execute(DCmdSource source, TRAPS) {
686 ResourceMark rm(THREAD);
687 HandleMark hm(THREAD);
688
689 // Load and initialize the sun.management.Agent class
690 // invoke startLocalManagementAgent(void) method to start
691 // the local management server
692 // throw java.lang.NoSuchMethodError if method doesn't exist
693
694 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
695 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
696 instanceKlassHandle ik (THREAD, k);
697
698 JavaValue result(T_VOID);
699 JavaCalls::call_static(&result, ik, vmSymbols::startLocalAgent_name(), vmSymbols::void_method_signature(), CHECK);
700 }
701
702 void JMXStopRemoteDCmd::execute(DCmdSource source, TRAPS) {
703 ResourceMark rm(THREAD);
704 HandleMark hm(THREAD);
705
706 // Load and initialize the sun.management.Agent class
707 // invoke stopRemoteManagementAgent method to stop the
708 // management server
709 // throw java.lang.NoSuchMethodError if method doesn't exist
710
711 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
712 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
713 instanceKlassHandle ik (THREAD, k);
714
715 JavaValue result(T_VOID);
716 JavaCalls::call_static(&result, ik, vmSymbols::stopRemoteAgent_name(), vmSymbols::void_method_signature(), CHECK);
717 }
718
719 VMDynamicLibrariesDCmd::VMDynamicLibrariesDCmd(outputStream *output, bool heap_allocated) :
720 DCmd(output, heap_allocated) {
721 // do nothing
722 }
723
724 void VMDynamicLibrariesDCmd::execute(DCmdSource source, TRAPS) {
725 os::print_dll_info(output());
726 output()->cr();
727 }
728
729 void RotateGCLogDCmd::execute(DCmdSource source, TRAPS) {
730 if (UseGCLogFileRotation) {
731 VM_RotateGCLog rotateop(output());
732 VMThread::execute(&rotateop);
733 } else {
734 output()->print_cr("Target VM does not support GC log file rotation.");
735 }
736 }