1 /*
2 * Copyright (c) 2011, 2015, 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 "classfile/compactHashtable.hpp"
28 #include "compiler/compileBroker.hpp"
29 #include "compiler/directivesParser.hpp"
30 #include "gc/shared/vmGCOperations.hpp"
31 #include "oops/oop.inline.hpp"
32 #include "runtime/globals.hpp"
33 #include "runtime/javaCalls.hpp"
34 #include "runtime/os.hpp"
35 #include "services/diagnosticArgument.hpp"
36 #include "services/diagnosticCommand.hpp"
37 #include "services/diagnosticFramework.hpp"
38 #include "services/heapDumper.hpp"
39 #include "services/management.hpp"
40 #include "services/writeableFlags.hpp"
41 #include "utilities/macros.hpp"
42 #include "oops/objArrayOop.inline.hpp"
43
44 void DCmdRegistrant::register_dcmds(){
45 // Registration of the diagnostic commands
46 // First argument specifies which interfaces will export the command
47 // Second argument specifies if the command is enabled
48 // Third argument specifies if the command is hidden
49 uint32_t full_export = DCmd_Source_Internal | DCmd_Source_AttachAPI
50 | DCmd_Source_MBean;
51 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HelpDCmd>(full_export, true, false));
52 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VersionDCmd>(full_export, true, false));
53 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CommandLineDCmd>(full_export, true, false));
54 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintSystemPropertiesDCmd>(full_export, true, false));
55 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintVMFlagsDCmd>(full_export, true, false));
56 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SetVMFlagDCmd>(full_export, true, false));
57 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMDynamicLibrariesDCmd>(full_export, true, false));
58 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMUptimeDCmd>(full_export, true, false));
59 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMInfoDCmd>(full_export, true, false));
60 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SystemGCDCmd>(full_export, true, false));
61 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RunFinalizationDCmd>(full_export, true, false));
62 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HeapInfoDCmd>(full_export, true, false));
63 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<FinalizerInfoDCmd>(full_export, true, false));
64 #if INCLUDE_SERVICES // Heap dumping/inspection supported
65 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HeapDumpDCmd>(DCmd_Source_Internal | DCmd_Source_AttachAPI, true, false));
66 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassHistogramDCmd>(full_export, true, false));
67 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassStatsDCmd>(full_export, true, false));
68 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassHierarchyDCmd>(full_export, true, false));
69 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SymboltableDCmd>(full_export, true, false));
70 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<StringtableDCmd>(full_export, true, false));
71 #endif // INCLUDE_SERVICES
72 #if INCLUDE_JVMTI
73 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JVMTIDataDumpDCmd>(full_export, true, false));
74 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JVMTIAgentLoadDCmd>(full_export, true, false));
75 #endif // INCLUDE_JVMTI
76 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ThreadDumpDCmd>(full_export, true, false));
77 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassLoaderStatsDCmd>(full_export, true, false));
78 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompileQueueDCmd>(full_export, true, false));
79 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeListDCmd>(full_export, true, false));
80 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeCacheDCmd>(full_export, true, false));
81 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<TouchedMethodsDCmd>(full_export, true, false));
82
83 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompilerDirectivesPrintDCmd>(full_export, true, false));
84 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompilerDirectivesAddDCmd>(full_export, true, false));
85 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompilerDirectivesRemoveDCmd>(full_export, true, false));
86 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompilerDirectivesClearDCmd>(full_export, true, false));
87
88 // Enhanced JMX Agent Support
89 // These commands won't be exported via the DiagnosticCommandMBean until an
90 // appropriate permission is created for them
91 uint32_t jmx_agent_export_flags = DCmd_Source_Internal | DCmd_Source_AttachAPI;
92 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartRemoteDCmd>(jmx_agent_export_flags, true,false));
93 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartLocalDCmd>(jmx_agent_export_flags, true,false));
94 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStopRemoteDCmd>(jmx_agent_export_flags, true,false));
95 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStatusDCmd>(jmx_agent_export_flags, true,false));
96
97 }
98
99 #ifndef HAVE_EXTRA_DCMD
100 void DCmdRegistrant::register_dcmds_ext(){
101 // Do nothing here
102 }
103 #endif
104
105
106 HelpDCmd::HelpDCmd(outputStream* output, bool heap) : DCmdWithParser(output, heap),
107 _all("-all", "Show help for all commands", "BOOLEAN", false, "false"),
108 _cmd("command name", "The name of the command for which we want help",
109 "STRING", false) {
110 _dcmdparser.add_dcmd_option(&_all);
111 _dcmdparser.add_dcmd_argument(&_cmd);
112 };
113
114 void HelpDCmd::execute(DCmdSource source, TRAPS) {
115 if (_all.value()) {
116 GrowableArray<const char*>* cmd_list = DCmdFactory::DCmd_list(source);
117 for (int i = 0; i < cmd_list->length(); i++) {
118 DCmdFactory* factory = DCmdFactory::factory(source, cmd_list->at(i),
119 strlen(cmd_list->at(i)));
120 output()->print_cr("%s%s", factory->name(),
121 factory->is_enabled() ? "" : " [disabled]");
122 output()->print_cr("\t%s", factory->description());
123 output()->cr();
124 factory = factory->next();
125 }
126 } else if (_cmd.has_value()) {
127 DCmd* cmd = NULL;
128 DCmdFactory* factory = DCmdFactory::factory(source, _cmd.value(),
129 strlen(_cmd.value()));
130 if (factory != NULL) {
131 output()->print_cr("%s%s", factory->name(),
132 factory->is_enabled() ? "" : " [disabled]");
133 output()->print_cr("%s", factory->description());
134 output()->print_cr("\nImpact: %s", factory->impact());
135 JavaPermission p = factory->permission();
136 if(p._class != NULL) {
137 if(p._action != NULL) {
138 output()->print_cr("\nPermission: %s(%s, %s)",
139 p._class, p._name == NULL ? "null" : p._name, p._action);
140 } else {
141 output()->print_cr("\nPermission: %s(%s)",
142 p._class, p._name == NULL ? "null" : p._name);
143 }
144 }
145 output()->cr();
146 cmd = factory->create_resource_instance(output());
147 if (cmd != NULL) {
148 DCmdMark mark(cmd);
149 cmd->print_help(factory->name());
150 }
151 } else {
152 output()->print_cr("Help unavailable : '%s' : No such command", _cmd.value());
153 }
154 } else {
155 output()->print_cr("The following commands are available:");
156 GrowableArray<const char *>* cmd_list = DCmdFactory::DCmd_list(source);
157 for (int i = 0; i < cmd_list->length(); i++) {
158 DCmdFactory* factory = DCmdFactory::factory(source, cmd_list->at(i),
159 strlen(cmd_list->at(i)));
160 output()->print_cr("%s%s", factory->name(),
161 factory->is_enabled() ? "" : " [disabled]");
162 factory = factory->_next;
163 }
164 output()->print_cr("\nFor more information about a specific command use 'help <command>'.");
165 }
166 }
167
168 int HelpDCmd::num_arguments() {
169 ResourceMark rm;
170 HelpDCmd* dcmd = new HelpDCmd(NULL, false);
171 if (dcmd != NULL) {
172 DCmdMark mark(dcmd);
173 return dcmd->_dcmdparser.num_arguments();
174 } else {
175 return 0;
176 }
177 }
178
179 void VersionDCmd::execute(DCmdSource source, TRAPS) {
180 output()->print_cr("%s version %s", Abstract_VM_Version::vm_name(),
181 Abstract_VM_Version::vm_release());
182 JDK_Version jdk_version = JDK_Version::current();
183 if (jdk_version.patch_version() > 0) {
184 output()->print_cr("JDK %d.%d.%d.%d", jdk_version.major_version(),
185 jdk_version.minor_version(), jdk_version.security_version(),
186 jdk_version.patch_version());
187 } else {
188 output()->print_cr("JDK %d.%d.%d", jdk_version.major_version(),
189 jdk_version.minor_version(), jdk_version.security_version());
190 }
191 }
192
193 PrintVMFlagsDCmd::PrintVMFlagsDCmd(outputStream* output, bool heap) :
194 DCmdWithParser(output, heap),
195 _all("-all", "Print all flags supported by the VM", "BOOLEAN", false, "false") {
196 _dcmdparser.add_dcmd_option(&_all);
197 }
198
199 void PrintVMFlagsDCmd::execute(DCmdSource source, TRAPS) {
200 if (_all.value()) {
201 CommandLineFlags::printFlags(output(), true);
202 } else {
203 CommandLineFlags::printSetFlags(output());
204 }
205 }
206
207 int PrintVMFlagsDCmd::num_arguments() {
208 ResourceMark rm;
209 PrintVMFlagsDCmd* dcmd = new PrintVMFlagsDCmd(NULL, false);
210 if (dcmd != NULL) {
211 DCmdMark mark(dcmd);
212 return dcmd->_dcmdparser.num_arguments();
213 } else {
214 return 0;
215 }
216 }
217
218 SetVMFlagDCmd::SetVMFlagDCmd(outputStream* output, bool heap) :
219 DCmdWithParser(output, heap),
220 _flag("flag name", "The name of the flag we want to set",
221 "STRING", true),
222 _value("string value", "The value we want to set", "STRING", false) {
223 _dcmdparser.add_dcmd_argument(&_flag);
224 _dcmdparser.add_dcmd_argument(&_value);
225 }
226
227 void SetVMFlagDCmd::execute(DCmdSource source, TRAPS) {
228 const char* val = NULL;
229 if (_value.value() != NULL) {
230 val = _value.value();
231 }
232
233 FormatBuffer<80> err_msg("%s", "");
234 int ret = WriteableFlags::set_flag(_flag.value(), val, Flag::MANAGEMENT, err_msg);
235
236 if (ret != Flag::SUCCESS) {
237 output()->print_cr("%s", err_msg.buffer());
238 }
239 }
240
241 int SetVMFlagDCmd::num_arguments() {
242 ResourceMark rm;
243 SetVMFlagDCmd* dcmd = new SetVMFlagDCmd(NULL, false);
244 if (dcmd != NULL) {
245 DCmdMark mark(dcmd);
246 return dcmd->_dcmdparser.num_arguments();
247 } else {
248 return 0;
249 }
250 }
251
252 void JVMTIDataDumpDCmd::execute(DCmdSource source, TRAPS) {
253 if (JvmtiExport::should_post_data_dump()) {
254 JvmtiExport::post_data_dump();
255 }
256 }
257
258 JVMTIAgentLoadDCmd::JVMTIAgentLoadDCmd(outputStream* output, bool heap) :
259 DCmdWithParser(output, heap),
260 _libpath("library path", "Absolute path of the JVMTI agent to load.",
261 "STRING", true),
262 _option("agent option", "Option string to pass the agent.", "STRING", false) {
263 _dcmdparser.add_dcmd_argument(&_libpath);
264 _dcmdparser.add_dcmd_argument(&_option);
265 }
266
267 void JVMTIAgentLoadDCmd::execute(DCmdSource source, TRAPS) {
268
269 if (_libpath.value() == NULL) {
270 output()->print_cr("JVMTI.agent_load dcmd needs library path.");
271 return;
272 }
273
274 char *suffix = strrchr(_libpath.value(), '.');
275 bool is_java_agent = (suffix != NULL) && (strncmp(".jar", suffix, 4) == 0);
276
277 if (is_java_agent) {
278 if (_option.value() == NULL) {
279 JvmtiExport::load_agent_library("instrument", "false",
280 _libpath.value(), output());
281 } else {
282 int opt_len = strlen(_libpath.value()) + strlen(_option.value()) + 2;
283 char *opt = (char *)os::malloc(opt_len, mtInternal);
284 if (opt == NULL) {
285 vm_exit_out_of_memory(opt_len, OOM_MALLOC_ERROR,
286 "JVMTIAgentLoadDCmd::execute");
287 }
288
289 snprintf(opt, opt_len, "%s=%s", _libpath.value(), _option.value());
290 JvmtiExport::load_agent_library("instrument", "false", opt, output());
291
292 os::free(opt);
293 }
294 } else {
295 JvmtiExport::load_agent_library(_libpath.value(), "true",
296 _option.value(), output());
297 }
298 }
299
300 int JVMTIAgentLoadDCmd::num_arguments() {
301 ResourceMark rm;
302 JVMTIAgentLoadDCmd* dcmd = new JVMTIAgentLoadDCmd(NULL, false);
303 if (dcmd != NULL) {
304 DCmdMark mark(dcmd);
305 return dcmd->_dcmdparser.num_arguments();
306 } else {
307 return 0;
308 }
309 }
310
311 void PrintSystemPropertiesDCmd::execute(DCmdSource source, TRAPS) {
312 // load sun.misc.VMSupport
313 Symbol* klass = vmSymbols::sun_misc_VMSupport();
314 Klass* k = SystemDictionary::resolve_or_fail(klass, true, CHECK);
315 instanceKlassHandle ik (THREAD, k);
316 if (ik->should_be_initialized()) {
317 ik->initialize(THREAD);
318 }
319 if (HAS_PENDING_EXCEPTION) {
320 java_lang_Throwable::print(PENDING_EXCEPTION, output());
321 output()->cr();
322 CLEAR_PENDING_EXCEPTION;
323 return;
324 }
325
326 // invoke the serializePropertiesToByteArray method
327 JavaValue result(T_OBJECT);
328 JavaCallArguments args;
329
330 Symbol* signature = vmSymbols::serializePropertiesToByteArray_signature();
331 JavaCalls::call_static(&result,
332 ik,
333 vmSymbols::serializePropertiesToByteArray_name(),
334 signature,
335 &args,
336 THREAD);
337 if (HAS_PENDING_EXCEPTION) {
338 java_lang_Throwable::print(PENDING_EXCEPTION, output());
339 output()->cr();
340 CLEAR_PENDING_EXCEPTION;
341 return;
342 }
343
344 // The result should be a [B
345 oop res = (oop)result.get_jobject();
346 assert(res->is_typeArray(), "just checking");
347 assert(TypeArrayKlass::cast(res->klass())->element_type() == T_BYTE, "just checking");
348
349 // copy the bytes to the output stream
350 typeArrayOop ba = typeArrayOop(res);
351 jbyte* addr = typeArrayOop(res)->byte_at_addr(0);
352 output()->print_raw((const char*)addr, ba->length());
353 }
354
355 VMUptimeDCmd::VMUptimeDCmd(outputStream* output, bool heap) :
356 DCmdWithParser(output, heap),
357 _date("-date", "Add a prefix with current date", "BOOLEAN", false, "false") {
358 _dcmdparser.add_dcmd_option(&_date);
359 }
360
361 void VMUptimeDCmd::execute(DCmdSource source, TRAPS) {
362 if (_date.value()) {
363 output()->date_stamp(true, "", ": ");
364 }
365 output()->time_stamp().update_to(tty->time_stamp().ticks());
366 output()->stamp();
367 output()->print_cr(" s");
368 }
369
370 int VMUptimeDCmd::num_arguments() {
371 ResourceMark rm;
372 VMUptimeDCmd* dcmd = new VMUptimeDCmd(NULL, false);
373 if (dcmd != NULL) {
374 DCmdMark mark(dcmd);
375 return dcmd->_dcmdparser.num_arguments();
376 } else {
377 return 0;
378 }
379 }
380
381 void VMInfoDCmd::execute(DCmdSource source, TRAPS) {
382 VMError::print_vm_info(_output);
383 }
384
385 void SystemGCDCmd::execute(DCmdSource source, TRAPS) {
386 if (!DisableExplicitGC) {
387 Universe::heap()->collect(GCCause::_dcmd_gc_run);
388 } else {
389 output()->print_cr("Explicit GC is disabled, no GC has been performed.");
390 }
391 }
392
393 void RunFinalizationDCmd::execute(DCmdSource source, TRAPS) {
394 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_System(),
395 true, CHECK);
396 instanceKlassHandle klass(THREAD, k);
397 JavaValue result(T_VOID);
398 JavaCalls::call_static(&result, klass,
399 vmSymbols::run_finalization_name(),
400 vmSymbols::void_method_signature(), CHECK);
401 }
402
403 void HeapInfoDCmd::execute(DCmdSource source, TRAPS) {
404 Universe::heap()->print_on(output());
405 }
406
407 void FinalizerInfoDCmd::execute(DCmdSource source, TRAPS) {
408 ResourceMark rm;
409
410
411 Klass* k = SystemDictionary::resolve_or_null(
412 vmSymbols::finalizer_histogram_klass(), THREAD);
413 assert(k != NULL, "FinalizerHistogram class is not accessible");
414
415 instanceKlassHandle klass(THREAD, k);
416 JavaValue result(T_ARRAY);
417
418 // We are calling lang.ref.FinalizerHistogram.getFinalizerHistogram() method
419 // and expect it to return array of FinalizerHistogramEntry as Object[]
420
421 JavaCalls::call_static(&result, klass,
422 vmSymbols::get_finalizer_histogram_name(),
423 vmSymbols::void_finalizer_histogram_entry_array_signature(), CHECK);
424
425 objArrayOop result_oop = (objArrayOop) result.get_jobject();
426 if (result_oop->length() == 0) {
427 output()->print_cr("No instances waiting for finalization found");
428 return;
429 }
430
431 oop foop = result_oop->obj_at(0);
432 InstanceKlass* ik = InstanceKlass::cast(foop->klass());
433
434 fieldDescriptor count_fd, name_fd;
435
436 Klass* count_res = ik->find_field(
437 vmSymbols::finalizer_histogram_entry_count_field(), vmSymbols::int_signature(), &count_fd);
438
439 Klass* name_res = ik->find_field(
440 vmSymbols::finalizer_histogram_entry_name_field(), vmSymbols::string_signature(), &name_fd);
441
442 assert(count_res != NULL && name_res != NULL, "Unexpected layout of FinalizerHistogramEntry");
443
444 output()->print_cr("Unreachable instances waiting for finalization");
445 output()->print_cr("#instances class name");
446 output()->print_cr("-----------------------");
447
448 for (int i = 0; i < result_oop->length(); ++i) {
449 oop element_oop = result_oop->obj_at(i);
450 oop str_oop = element_oop->obj_field(name_fd.offset());
451 char *name = java_lang_String::as_utf8_string(str_oop);
452 int count = element_oop->int_field(count_fd.offset());
453 output()->print_cr("%10d %s", count, name);
454 }
455 }
456
457 #if INCLUDE_SERVICES // Heap dumping/inspection supported
458 HeapDumpDCmd::HeapDumpDCmd(outputStream* output, bool heap) :
459 DCmdWithParser(output, heap),
460 _filename("filename","Name of the dump file", "STRING",true),
461 _all("-all", "Dump all objects, including unreachable objects",
462 "BOOLEAN", false, "false") {
463 _dcmdparser.add_dcmd_option(&_all);
464 _dcmdparser.add_dcmd_argument(&_filename);
465 }
466
467 void HeapDumpDCmd::execute(DCmdSource source, TRAPS) {
468 // Request a full GC before heap dump if _all is false
469 // This helps reduces the amount of unreachable objects in the dump
470 // and makes it easier to browse.
471 HeapDumper dumper(!_all.value() /* request GC if _all is false*/);
472 int res = dumper.dump(_filename.value());
473 if (res == 0) {
474 output()->print_cr("Heap dump file created");
475 } else {
476 // heap dump failed
477 ResourceMark rm;
478 char* error = dumper.error_as_C_string();
479 if (error == NULL) {
480 output()->print_cr("Dump failed - reason unknown");
481 } else {
482 output()->print_cr("%s", error);
483 }
484 }
485 }
486
487 int HeapDumpDCmd::num_arguments() {
488 ResourceMark rm;
489 HeapDumpDCmd* dcmd = new HeapDumpDCmd(NULL, false);
490 if (dcmd != NULL) {
491 DCmdMark mark(dcmd);
492 return dcmd->_dcmdparser.num_arguments();
493 } else {
494 return 0;
495 }
496 }
497
498 ClassHistogramDCmd::ClassHistogramDCmd(outputStream* output, bool heap) :
499 DCmdWithParser(output, heap),
500 _all("-all", "Inspect all objects, including unreachable objects",
501 "BOOLEAN", false, "false") {
502 _dcmdparser.add_dcmd_option(&_all);
503 }
504
505 void ClassHistogramDCmd::execute(DCmdSource source, TRAPS) {
506 VM_GC_HeapInspection heapop(output(),
507 !_all.value() /* request full gc if false */);
508 VMThread::execute(&heapop);
509 }
510
511 int ClassHistogramDCmd::num_arguments() {
512 ResourceMark rm;
513 ClassHistogramDCmd* dcmd = new ClassHistogramDCmd(NULL, false);
514 if (dcmd != NULL) {
515 DCmdMark mark(dcmd);
516 return dcmd->_dcmdparser.num_arguments();
517 } else {
518 return 0;
519 }
520 }
521
522 #define DEFAULT_COLUMNS "InstBytes,KlassBytes,CpAll,annotations,MethodCount,Bytecodes,MethodAll,ROAll,RWAll,Total"
523 ClassStatsDCmd::ClassStatsDCmd(outputStream* output, bool heap) :
524 DCmdWithParser(output, heap),
525 _csv("-csv", "Print in CSV (comma-separated values) format for spreadsheets",
526 "BOOLEAN", false, "false"),
527 _all("-all", "Show all columns",
528 "BOOLEAN", false, "false"),
529 _help("-help", "Show meaning of all the columns",
530 "BOOLEAN", false, "false"),
531 _columns("columns", "Comma-separated list of all the columns to show. "
532 "If not specified, the following columns are shown: " DEFAULT_COLUMNS,
533 "STRING", false) {
534 _dcmdparser.add_dcmd_option(&_all);
535 _dcmdparser.add_dcmd_option(&_csv);
536 _dcmdparser.add_dcmd_option(&_help);
537 _dcmdparser.add_dcmd_argument(&_columns);
538 }
539
540 void ClassStatsDCmd::execute(DCmdSource source, TRAPS) {
541 if (!UnlockDiagnosticVMOptions) {
542 output()->print_cr("GC.class_stats command requires -XX:+UnlockDiagnosticVMOptions");
543 return;
544 }
545
546 VM_GC_HeapInspection heapop(output(),
547 true /* request_full_gc */);
548 heapop.set_csv_format(_csv.value());
549 heapop.set_print_help(_help.value());
550 heapop.set_print_class_stats(true);
551 if (_all.value()) {
552 if (_columns.has_value()) {
553 output()->print_cr("Cannot specify -all and individual columns at the same time");
554 return;
555 } else {
556 heapop.set_columns(NULL);
557 }
558 } else {
559 if (_columns.has_value()) {
560 heapop.set_columns(_columns.value());
561 } else {
562 heapop.set_columns(DEFAULT_COLUMNS);
563 }
564 }
565 VMThread::execute(&heapop);
566 }
567
568 int ClassStatsDCmd::num_arguments() {
569 ResourceMark rm;
570 ClassStatsDCmd* dcmd = new ClassStatsDCmd(NULL, false);
571 if (dcmd != NULL) {
572 DCmdMark mark(dcmd);
573 return dcmd->_dcmdparser.num_arguments();
574 } else {
575 return 0;
576 }
577 }
578 #endif // INCLUDE_SERVICES
579
580 ThreadDumpDCmd::ThreadDumpDCmd(outputStream* output, bool heap) :
581 DCmdWithParser(output, heap),
582 _locks("-l", "print java.util.concurrent locks", "BOOLEAN", false, "false") {
583 _dcmdparser.add_dcmd_option(&_locks);
584 }
585
586 void ThreadDumpDCmd::execute(DCmdSource source, TRAPS) {
587 // thread stacks
588 VM_PrintThreads op1(output(), _locks.value());
589 VMThread::execute(&op1);
590
591 // JNI global handles
592 VM_PrintJNI op2(output());
593 VMThread::execute(&op2);
594
595 // Deadlock detection
596 VM_FindDeadlocks op3(output());
597 VMThread::execute(&op3);
598 }
599
600 int ThreadDumpDCmd::num_arguments() {
601 ResourceMark rm;
602 ThreadDumpDCmd* dcmd = new ThreadDumpDCmd(NULL, false);
603 if (dcmd != NULL) {
604 DCmdMark mark(dcmd);
605 return dcmd->_dcmdparser.num_arguments();
606 } else {
607 return 0;
608 }
609 }
610
611 // Enhanced JMX Agent support
612
613 JMXStartRemoteDCmd::JMXStartRemoteDCmd(outputStream *output, bool heap_allocated) :
614
615 DCmdWithParser(output, heap_allocated),
616
617 _config_file
618 ("config.file",
619 "set com.sun.management.config.file", "STRING", false),
620
621 _jmxremote_host
622 ("jmxremote.host",
623 "set com.sun.management.jmxremote.host", "STRING", false),
624
625 _jmxremote_port
626 ("jmxremote.port",
627 "set com.sun.management.jmxremote.port", "STRING", false),
628
629 _jmxremote_rmi_port
630 ("jmxremote.rmi.port",
631 "set com.sun.management.jmxremote.rmi.port", "STRING", false),
632
633 _jmxremote_ssl
634 ("jmxremote.ssl",
635 "set com.sun.management.jmxremote.ssl", "STRING", false),
636
637 _jmxremote_registry_ssl
638 ("jmxremote.registry.ssl",
639 "set com.sun.management.jmxremote.registry.ssl", "STRING", false),
640
641 _jmxremote_authenticate
642 ("jmxremote.authenticate",
643 "set com.sun.management.jmxremote.authenticate", "STRING", false),
644
645 _jmxremote_password_file
646 ("jmxremote.password.file",
647 "set com.sun.management.jmxremote.password.file", "STRING", false),
648
649 _jmxremote_access_file
650 ("jmxremote.access.file",
651 "set com.sun.management.jmxremote.access.file", "STRING", false),
652
653 _jmxremote_login_config
654 ("jmxremote.login.config",
655 "set com.sun.management.jmxremote.login.config", "STRING", false),
656
657 _jmxremote_ssl_enabled_cipher_suites
658 ("jmxremote.ssl.enabled.cipher.suites",
659 "set com.sun.management.jmxremote.ssl.enabled.cipher.suite", "STRING", false),
660
661 _jmxremote_ssl_enabled_protocols
662 ("jmxremote.ssl.enabled.protocols",
663 "set com.sun.management.jmxremote.ssl.enabled.protocols", "STRING", false),
664
665 _jmxremote_ssl_need_client_auth
666 ("jmxremote.ssl.need.client.auth",
667 "set com.sun.management.jmxremote.need.client.auth", "STRING", false),
668
669 _jmxremote_ssl_config_file
670 ("jmxremote.ssl.config.file",
671 "set com.sun.management.jmxremote.ssl_config_file", "STRING", false),
672
673 // JDP Protocol support
674 _jmxremote_autodiscovery
675 ("jmxremote.autodiscovery",
676 "set com.sun.management.jmxremote.autodiscovery", "STRING", false),
677
678 _jdp_port
679 ("jdp.port",
680 "set com.sun.management.jdp.port", "INT", false),
681
682 _jdp_address
683 ("jdp.address",
684 "set com.sun.management.jdp.address", "STRING", false),
685
686 _jdp_source_addr
687 ("jdp.source_addr",
688 "set com.sun.management.jdp.source_addr", "STRING", false),
689
690 _jdp_ttl
691 ("jdp.ttl",
692 "set com.sun.management.jdp.ttl", "INT", false),
693
694 _jdp_pause
695 ("jdp.pause",
696 "set com.sun.management.jdp.pause", "INT", false),
697
698 _jdp_name
699 ("jdp.name",
700 "set com.sun.management.jdp.name", "STRING", false)
701
702 {
703 _dcmdparser.add_dcmd_option(&_config_file);
704 _dcmdparser.add_dcmd_option(&_jmxremote_host);
705 _dcmdparser.add_dcmd_option(&_jmxremote_port);
706 _dcmdparser.add_dcmd_option(&_jmxremote_rmi_port);
707 _dcmdparser.add_dcmd_option(&_jmxremote_ssl);
708 _dcmdparser.add_dcmd_option(&_jmxremote_registry_ssl);
709 _dcmdparser.add_dcmd_option(&_jmxremote_authenticate);
710 _dcmdparser.add_dcmd_option(&_jmxremote_password_file);
711 _dcmdparser.add_dcmd_option(&_jmxremote_access_file);
712 _dcmdparser.add_dcmd_option(&_jmxremote_login_config);
713 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_cipher_suites);
714 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_protocols);
715 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_need_client_auth);
716 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_config_file);
717 _dcmdparser.add_dcmd_option(&_jmxremote_autodiscovery);
718 _dcmdparser.add_dcmd_option(&_jdp_port);
719 _dcmdparser.add_dcmd_option(&_jdp_address);
720 _dcmdparser.add_dcmd_option(&_jdp_source_addr);
721 _dcmdparser.add_dcmd_option(&_jdp_ttl);
722 _dcmdparser.add_dcmd_option(&_jdp_pause);
723 _dcmdparser.add_dcmd_option(&_jdp_name);
724 }
725
726
727 int JMXStartRemoteDCmd::num_arguments() {
728 ResourceMark rm;
729 JMXStartRemoteDCmd* dcmd = new JMXStartRemoteDCmd(NULL, false);
730 if (dcmd != NULL) {
731 DCmdMark mark(dcmd);
732 return dcmd->_dcmdparser.num_arguments();
733 } else {
734 return 0;
735 }
736 }
737
738
739 void JMXStartRemoteDCmd::execute(DCmdSource source, TRAPS) {
740 ResourceMark rm(THREAD);
741 HandleMark hm(THREAD);
742
743 // Load and initialize the sun.management.Agent class
744 // invoke startRemoteManagementAgent(string) method to start
745 // the remote management server.
746 // throw java.lang.NoSuchMethodError if the method doesn't exist
747
748 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
749 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
750 instanceKlassHandle ik (THREAD, k);
751
752 JavaValue result(T_VOID);
753
754 // Pass all command line arguments to java as key=value,...
755 // All checks are done on java side
756
757 int len = 0;
758 stringStream options;
759 char comma[2] = {0,0};
760
761 // Leave default values on Agent.class side and pass only
762 // agruments explicitly set by user. All arguments passed
763 // to jcmd override properties with the same name set by
764 // command line with -D or by managmenent.properties
765 // file.
766 #define PUT_OPTION(a) \
767 do { \
768 if ( (a).is_set() ){ \
769 if ( *((a).type()) == 'I' ) { \
770 options.print("%scom.sun.management.%s=" JLONG_FORMAT, comma, (a).name(), (jlong)((a).value())); \
771 } else { \
772 options.print("%scom.sun.management.%s=%s", comma, (a).name(), (char*)((a).value())); \
773 } \
774 comma[0] = ','; \
775 }\
776 } while(0);
777
778
779 PUT_OPTION(_config_file);
780 PUT_OPTION(_jmxremote_host);
781 PUT_OPTION(_jmxremote_port);
782 PUT_OPTION(_jmxremote_rmi_port);
783 PUT_OPTION(_jmxremote_ssl);
784 PUT_OPTION(_jmxremote_registry_ssl);
785 PUT_OPTION(_jmxremote_authenticate);
786 PUT_OPTION(_jmxremote_password_file);
787 PUT_OPTION(_jmxremote_access_file);
788 PUT_OPTION(_jmxremote_login_config);
789 PUT_OPTION(_jmxremote_ssl_enabled_cipher_suites);
790 PUT_OPTION(_jmxremote_ssl_enabled_protocols);
791 PUT_OPTION(_jmxremote_ssl_need_client_auth);
792 PUT_OPTION(_jmxremote_ssl_config_file);
793 PUT_OPTION(_jmxremote_autodiscovery);
794 PUT_OPTION(_jdp_port);
795 PUT_OPTION(_jdp_address);
796 PUT_OPTION(_jdp_source_addr);
797 PUT_OPTION(_jdp_ttl);
798 PUT_OPTION(_jdp_pause);
799 PUT_OPTION(_jdp_name);
800
801 #undef PUT_OPTION
802
803 Handle str = java_lang_String::create_from_str(options.as_string(), CHECK);
804 JavaCalls::call_static(&result, ik, vmSymbols::startRemoteAgent_name(), vmSymbols::string_void_signature(), str, CHECK);
805 }
806
807 JMXStartLocalDCmd::JMXStartLocalDCmd(outputStream *output, bool heap_allocated) :
808 DCmd(output, heap_allocated) {
809 // do nothing
810 }
811
812 void JMXStartLocalDCmd::execute(DCmdSource source, TRAPS) {
813 ResourceMark rm(THREAD);
814 HandleMark hm(THREAD);
815
816 // Load and initialize the sun.management.Agent class
817 // invoke startLocalManagementAgent(void) method to start
818 // the local management server
819 // throw java.lang.NoSuchMethodError if method doesn't exist
820
821 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
822 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
823 instanceKlassHandle ik (THREAD, k);
824
825 JavaValue result(T_VOID);
826 JavaCalls::call_static(&result, ik, vmSymbols::startLocalAgent_name(), vmSymbols::void_method_signature(), CHECK);
827 }
828
829 void JMXStopRemoteDCmd::execute(DCmdSource source, TRAPS) {
830 ResourceMark rm(THREAD);
831 HandleMark hm(THREAD);
832
833 // Load and initialize the sun.management.Agent class
834 // invoke stopRemoteManagementAgent method to stop the
835 // management server
836 // throw java.lang.NoSuchMethodError if method doesn't exist
837
838 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
839 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
840 instanceKlassHandle ik (THREAD, k);
841
842 JavaValue result(T_VOID);
843 JavaCalls::call_static(&result, ik, vmSymbols::stopRemoteAgent_name(), vmSymbols::void_method_signature(), CHECK);
844 }
845
846 JMXStatusDCmd::JMXStatusDCmd(outputStream *output, bool heap_allocated) :
847 DCmd(output, heap_allocated) {
848 // do nothing
849 }
850
851 void JMXStatusDCmd::execute(DCmdSource source, TRAPS) {
852 ResourceMark rm(THREAD);
853 HandleMark hm(THREAD);
854
855 // Load and initialize the sun.management.Agent class
856 // invoke getManagementAgentStatus() method to generate the status info
857 // throw java.lang.NoSuchMethodError if method doesn't exist
858
859 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
860 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
861 instanceKlassHandle ik (THREAD, k);
862
863 JavaValue result(T_OBJECT);
864 JavaCalls::call_static(&result, ik, vmSymbols::getAgentStatus_name(), vmSymbols::void_string_signature(), CHECK);
865
866 jvalue* jv = (jvalue*) result.get_value_addr();
867 oop str = (oop) jv->l;
868 if (str != NULL) {
869 char* out = java_lang_String::as_utf8_string(str);
870 if (out) {
871 output()->print_cr("%s", out);
872 return;
873 }
874 }
875 output()->print_cr("Error obtaining management agent status");
876 }
877
878 VMDynamicLibrariesDCmd::VMDynamicLibrariesDCmd(outputStream *output, bool heap_allocated) :
879 DCmd(output, heap_allocated) {
880 // do nothing
881 }
882
883 void VMDynamicLibrariesDCmd::execute(DCmdSource source, TRAPS) {
884 os::print_dll_info(output());
885 output()->cr();
886 }
887
888 void CompileQueueDCmd::execute(DCmdSource source, TRAPS) {
889 VM_PrintCompileQueue printCompileQueueOp(output());
890 VMThread::execute(&printCompileQueueOp);
891 }
892
893 void CodeListDCmd::execute(DCmdSource source, TRAPS) {
894 VM_PrintCodeList printCodeListOp(output());
895 VMThread::execute(&printCodeListOp);
896 }
897
898 void CodeCacheDCmd::execute(DCmdSource source, TRAPS) {
899 VM_PrintCodeCache printCodeCacheOp(output());
900 VMThread::execute(&printCodeCacheOp);
901 }
902
903 void CompilerDirectivesPrintDCmd::execute(DCmdSource source, TRAPS) {
904 DirectivesStack::print(output());
905 }
906
907 CompilerDirectivesAddDCmd::CompilerDirectivesAddDCmd(outputStream* output, bool heap) :
908 DCmdWithParser(output, heap),
909 _filename("filename","Name of the directives file", "STRING",true) {
910 _dcmdparser.add_dcmd_argument(&_filename);
911 }
912
913 void CompilerDirectivesAddDCmd::execute(DCmdSource source, TRAPS) {
914 DirectivesParser::parse_from_file(_filename.value(), output());
915 }
916
917 int CompilerDirectivesAddDCmd::num_arguments() {
918 ResourceMark rm;
919 CompilerDirectivesAddDCmd* dcmd = new CompilerDirectivesAddDCmd(NULL, false);
920 if (dcmd != NULL) {
921 DCmdMark mark(dcmd);
922 return dcmd->_dcmdparser.num_arguments();
923 } else {
924 return 0;
925 }
926 }
927
928 void CompilerDirectivesRemoveDCmd::execute(DCmdSource source, TRAPS) {
929 DirectivesStack::pop();
930 }
931
932 void CompilerDirectivesClearDCmd::execute(DCmdSource source, TRAPS) {
933 DirectivesStack::clear();
934 }
935 #if INCLUDE_SERVICES
936 ClassHierarchyDCmd::ClassHierarchyDCmd(outputStream* output, bool heap) :
937 DCmdWithParser(output, heap),
938 _print_interfaces("-i", "Inherited interfaces should be printed.", "BOOLEAN", false, "false"),
939 _print_subclasses("-s", "If a classname is specified, print its subclasses. "
940 "Otherwise only its superclasses are printed.", "BOOLEAN", false, "false"),
941 _classname("classname", "Name of class whose hierarchy should be printed. "
942 "If not specified, all class hierarchies are printed.",
943 "STRING", false) {
944 _dcmdparser.add_dcmd_option(&_print_interfaces);
945 _dcmdparser.add_dcmd_option(&_print_subclasses);
946 _dcmdparser.add_dcmd_argument(&_classname);
947 }
948
949 void ClassHierarchyDCmd::execute(DCmdSource source, TRAPS) {
950 VM_PrintClassHierarchy printClassHierarchyOp(output(), _print_interfaces.value(),
951 _print_subclasses.value(), _classname.value());
952 VMThread::execute(&printClassHierarchyOp);
953 }
954
955 int ClassHierarchyDCmd::num_arguments() {
956 ResourceMark rm;
957 ClassHierarchyDCmd* dcmd = new ClassHierarchyDCmd(NULL, false);
958 if (dcmd != NULL) {
959 DCmdMark mark(dcmd);
960 return dcmd->_dcmdparser.num_arguments();
961 } else {
962 return 0;
963 }
964 }
965
966 #endif
967
968 class VM_DumpTouchedMethods : public VM_Operation {
969 private:
970 outputStream* _out;
971 public:
972 VM_DumpTouchedMethods(outputStream* out) {
973 _out = out;
974 }
975
976 virtual VMOp_Type type() const { return VMOp_DumpTouchedMethods; }
977
978 virtual void doit() {
979 Method::print_touched_methods(_out);
980 }
981 };
982
983 TouchedMethodsDCmd::TouchedMethodsDCmd(outputStream* output, bool heap) :
984 DCmdWithParser(output, heap)
985 {}
986
987 void TouchedMethodsDCmd::execute(DCmdSource source, TRAPS) {
988 if (!UnlockDiagnosticVMOptions) {
989 output()->print_cr("VM.touched_methods command requires -XX:+UnlockDiagnosticVMOptions");
990 return;
991 }
992 VM_DumpTouchedMethods dumper(output());
993 VMThread::execute(&dumper);
994 }
995
996 int TouchedMethodsDCmd::num_arguments() {
997 return 0;
998 }