Mercurial > jdk8-mips64-public > hotspot / file revision
src/share/vm/services/diagnosticCommand.cpp@db9981fd3124
src/share/vm/services/diagnosticCommand.cpp
Wed, 23 Jan 2013 13:02:39 -0500
- author
- jprovino
- date
- Wed, 23 Jan 2013 13:02:39 -0500
- changeset 4542
- db9981fd3124
- parent 4167
- 9855b7e559ae
- child 4544
- 3c9bc17b9403
- permissions
- -rw-r--r--
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
Summary: Rename INCLUDE_ALTERNATE_GCS to INCLUDE_ALL_GCS and replace SERIALGC with INCLUDE_ALL_GCS.
Reviewed-by: coleenp, stefank
1 /*
2 * Copyright (c) 2011, 2012, 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 */
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"
35 void DCmdRegistrant::register_dcmds(){
36 // Registration of the diagnostic commands
37 // First boolean argument specifies if the command is enabled
38 // Second boolean argument specifies if the command is hidden
39 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HelpDCmd>(true, false));
40 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VersionDCmd>(true, false));
41 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CommandLineDCmd>(true, false));
42 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintSystemPropertiesDCmd>(true, false));
43 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintVMFlagsDCmd>(true, false));
44 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMUptimeDCmd>(true, false));
45 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SystemGCDCmd>(true, false));
46 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RunFinalizationDCmd>(true, false));
47 #if INCLUDE_SERVICES // Heap dumping supported
48 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HeapDumpDCmd>(true, false));
49 #endif // INCLUDE_SERVICES
50 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassHistogramDCmd>(true, false));
51 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ThreadDumpDCmd>(true, false));
53 //Enhanced JMX Agent Support
54 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartRemoteDCmd>(true,false));
55 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartLocalDCmd>(true,false));
56 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStopRemoteDCmd>(true,false));
58 }
60 #ifndef HAVE_EXTRA_DCMD
61 void DCmdRegistrant::register_dcmds_ext(){
62 // Do nothing here
63 }
64 #endif
67 HelpDCmd::HelpDCmd(outputStream* output, bool heap) : DCmdWithParser(output, heap),
68 _all("-all", "Show help for all commands", "BOOLEAN", false, "false"),
69 _cmd("command name", "The name of the command for which we want help",
70 "STRING", false) {
71 _dcmdparser.add_dcmd_option(&_all);
72 _dcmdparser.add_dcmd_argument(&_cmd);
73 };
75 void HelpDCmd::execute(TRAPS) {
76 if (_all.value()) {
77 GrowableArray<const char*>* cmd_list = DCmdFactory::DCmd_list();
78 for (int i = 0; i < cmd_list->length(); i++) {
79 DCmdFactory* factory = DCmdFactory::factory(cmd_list->at(i),
80 strlen(cmd_list->at(i)));
81 if (!factory->is_hidden()) {
82 output()->print_cr("%s%s", factory->name(),
83 factory->is_enabled() ? "" : " [disabled]");
84 output()->print_cr("\t%s", factory->description());
85 output()->cr();
86 }
87 factory = factory->next();
88 }
89 } else if (_cmd.has_value()) {
90 DCmd* cmd = NULL;
91 DCmdFactory* factory = DCmdFactory::factory(_cmd.value(),
92 strlen(_cmd.value()));
93 if (factory != NULL) {
94 output()->print_cr("%s%s", factory->name(),
95 factory->is_enabled() ? "" : " [disabled]");
96 output()->print_cr(factory->description());
97 output()->print_cr("\nImpact: %s", factory->impact());
98 output()->cr();
99 cmd = factory->create_resource_instance(output());
100 if (cmd != NULL) {
101 DCmdMark mark(cmd);
102 cmd->print_help(factory->name());
103 }
104 } else {
105 output()->print_cr("Help unavailable : '%s' : No such command", _cmd.value());
106 }
107 } else {
108 output()->print_cr("The following commands are available:");
109 GrowableArray<const char *>* cmd_list = DCmdFactory::DCmd_list();
110 for (int i = 0; i < cmd_list->length(); i++) {
111 DCmdFactory* factory = DCmdFactory::factory(cmd_list->at(i),
112 strlen(cmd_list->at(i)));
113 if (!factory->is_hidden()) {
114 output()->print_cr("%s%s", factory->name(),
115 factory->is_enabled() ? "" : " [disabled]");
116 }
117 factory = factory->_next;
118 }
119 output()->print_cr("\nFor more information about a specific command use 'help <command>'.");
120 }
121 }
123 int HelpDCmd::num_arguments() {
124 ResourceMark rm;
125 HelpDCmd* dcmd = new HelpDCmd(NULL, false);
126 if (dcmd != NULL) {
127 DCmdMark mark(dcmd);
128 return dcmd->_dcmdparser.num_arguments();
129 } else {
130 return 0;
131 }
132 }
134 void VersionDCmd::execute(TRAPS) {
135 output()->print_cr("%s version %s", Abstract_VM_Version::vm_name(),
136 Abstract_VM_Version::vm_release());
137 JDK_Version jdk_version = JDK_Version::current();
138 if (jdk_version.update_version() > 0) {
139 output()->print_cr("JDK %d.%d_%02d", jdk_version.major_version(),
140 jdk_version.minor_version(), jdk_version.update_version());
141 } else {
142 output()->print_cr("JDK %d.%d", jdk_version.major_version(),
143 jdk_version.minor_version());
144 }
145 }
147 PrintVMFlagsDCmd::PrintVMFlagsDCmd(outputStream* output, bool heap) :
148 DCmdWithParser(output, heap),
149 _all("-all", "Print all flags supported by the VM", "BOOLEAN", false, "false") {
150 _dcmdparser.add_dcmd_option(&_all);
151 }
153 void PrintVMFlagsDCmd::execute(TRAPS) {
154 if (_all.value()) {
155 CommandLineFlags::printFlags(output(), true);
156 } else {
157 CommandLineFlags::printSetFlags(output());
158 }
159 }
161 int PrintVMFlagsDCmd::num_arguments() {
162 ResourceMark rm;
163 PrintVMFlagsDCmd* dcmd = new PrintVMFlagsDCmd(NULL, false);
164 if (dcmd != NULL) {
165 DCmdMark mark(dcmd);
166 return dcmd->_dcmdparser.num_arguments();
167 } else {
168 return 0;
169 }
170 }
172 void PrintSystemPropertiesDCmd::execute(TRAPS) {
173 // load sun.misc.VMSupport
174 Symbol* klass = vmSymbols::sun_misc_VMSupport();
175 Klass* k = SystemDictionary::resolve_or_fail(klass, true, CHECK);
176 instanceKlassHandle ik (THREAD, k);
177 if (ik->should_be_initialized()) {
178 ik->initialize(THREAD);
179 }
180 if (HAS_PENDING_EXCEPTION) {
181 java_lang_Throwable::print(PENDING_EXCEPTION, output());
182 output()->cr();
183 CLEAR_PENDING_EXCEPTION;
184 return;
185 }
187 // invoke the serializePropertiesToByteArray method
188 JavaValue result(T_OBJECT);
189 JavaCallArguments args;
191 Symbol* signature = vmSymbols::serializePropertiesToByteArray_signature();
192 JavaCalls::call_static(&result,
193 ik,
194 vmSymbols::serializePropertiesToByteArray_name(),
195 signature,
196 &args,
197 THREAD);
198 if (HAS_PENDING_EXCEPTION) {
199 java_lang_Throwable::print(PENDING_EXCEPTION, output());
200 output()->cr();
201 CLEAR_PENDING_EXCEPTION;
202 return;
203 }
205 // The result should be a [B
206 oop res = (oop)result.get_jobject();
207 assert(res->is_typeArray(), "just checking");
208 assert(TypeArrayKlass::cast(res->klass())->element_type() == T_BYTE, "just checking");
210 // copy the bytes to the output stream
211 typeArrayOop ba = typeArrayOop(res);
212 jbyte* addr = typeArrayOop(res)->byte_at_addr(0);
213 output()->print_raw((const char*)addr, ba->length());
214 }
216 VMUptimeDCmd::VMUptimeDCmd(outputStream* output, bool heap) :
217 DCmdWithParser(output, heap),
218 _date("-date", "Add a prefix with current date", "BOOLEAN", false, "false") {
219 _dcmdparser.add_dcmd_option(&_date);
220 }
222 void VMUptimeDCmd::execute(TRAPS) {
223 if (_date.value()) {
224 output()->date_stamp(true, "", ": ");
225 }
226 output()->time_stamp().update_to(tty->time_stamp().ticks());
227 output()->stamp();
228 output()->print_cr(" s");
229 }
231 int VMUptimeDCmd::num_arguments() {
232 ResourceMark rm;
233 VMUptimeDCmd* dcmd = new VMUptimeDCmd(NULL, false);
234 if (dcmd != NULL) {
235 DCmdMark mark(dcmd);
236 return dcmd->_dcmdparser.num_arguments();
237 } else {
238 return 0;
239 }
240 }
242 void SystemGCDCmd::execute(TRAPS) {
243 Universe::heap()->collect(GCCause::_java_lang_system_gc);
244 }
246 void RunFinalizationDCmd::execute(TRAPS) {
247 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_System(),
248 true, CHECK);
249 instanceKlassHandle klass(THREAD, k);
250 JavaValue result(T_VOID);
251 JavaCalls::call_static(&result, klass,
252 vmSymbols::run_finalization_name(),
253 vmSymbols::void_method_signature(), CHECK);
254 }
256 #if INCLUDE_SERVICES // Heap dumping supported
257 HeapDumpDCmd::HeapDumpDCmd(outputStream* output, bool heap) :
258 DCmdWithParser(output, heap),
259 _filename("filename","Name of the dump file", "STRING",true),
260 _all("-all", "Dump all objects, including unreachable objects",
261 "BOOLEAN", false, "false") {
262 _dcmdparser.add_dcmd_option(&_all);
263 _dcmdparser.add_dcmd_argument(&_filename);
264 }
266 void HeapDumpDCmd::execute(TRAPS) {
267 // Request a full GC before heap dump if _all is false
268 // This helps reduces the amount of unreachable objects in the dump
269 // and makes it easier to browse.
270 HeapDumper dumper(!_all.value() /* request GC if _all is false*/);
271 int res = dumper.dump(_filename.value());
272 if (res == 0) {
273 output()->print_cr("Heap dump file created");
274 } else {
275 // heap dump failed
276 ResourceMark rm;
277 char* error = dumper.error_as_C_string();
278 if (error == NULL) {
279 output()->print_cr("Dump failed - reason unknown");
280 } else {
281 output()->print_cr("%s", error);
282 }
283 }
284 }
286 int HeapDumpDCmd::num_arguments() {
287 ResourceMark rm;
288 HeapDumpDCmd* dcmd = new HeapDumpDCmd(NULL, false);
289 if (dcmd != NULL) {
290 DCmdMark mark(dcmd);
291 return dcmd->_dcmdparser.num_arguments();
292 } else {
293 return 0;
294 }
295 }
296 #endif // INCLUDE_SERVICES
298 ClassHistogramDCmd::ClassHistogramDCmd(outputStream* output, bool heap) :
299 DCmdWithParser(output, heap),
300 _all("-all", "Inspect all objects, including unreachable objects",
301 "BOOLEAN", false, "false") {
302 _dcmdparser.add_dcmd_option(&_all);
303 }
305 void ClassHistogramDCmd::execute(TRAPS) {
306 VM_GC_HeapInspection heapop(output(),
307 !_all.value() /* request full gc if false */,
308 true /* need_prologue */);
309 VMThread::execute(&heapop);
310 }
312 int ClassHistogramDCmd::num_arguments() {
313 ResourceMark rm;
314 ClassHistogramDCmd* dcmd = new ClassHistogramDCmd(NULL, false);
315 if (dcmd != NULL) {
316 DCmdMark mark(dcmd);
317 return dcmd->_dcmdparser.num_arguments();
318 } else {
319 return 0;
320 }
321 }
323 ThreadDumpDCmd::ThreadDumpDCmd(outputStream* output, bool heap) :
324 DCmdWithParser(output, heap),
325 _locks("-l", "print java.util.concurrent locks", "BOOLEAN", false, "false") {
326 _dcmdparser.add_dcmd_option(&_locks);
327 }
329 void ThreadDumpDCmd::execute(TRAPS) {
330 // thread stacks
331 VM_PrintThreads op1(output(), _locks.value());
332 VMThread::execute(&op1);
334 // JNI global handles
335 VM_PrintJNI op2(output());
336 VMThread::execute(&op2);
338 // Deadlock detection
339 VM_FindDeadlocks op3(output());
340 VMThread::execute(&op3);
341 }
343 int ThreadDumpDCmd::num_arguments() {
344 ResourceMark rm;
345 ThreadDumpDCmd* dcmd = new ThreadDumpDCmd(NULL, false);
346 if (dcmd != NULL) {
347 DCmdMark mark(dcmd);
348 return dcmd->_dcmdparser.num_arguments();
349 } else {
350 return 0;
351 }
352 }
354 // Enhanced JMX Agent support
356 JMXStartRemoteDCmd::JMXStartRemoteDCmd(outputStream *output, bool heap_allocated) :
358 DCmdWithParser(output, heap_allocated),
360 _config_file
361 ("config.file",
362 "set com.sun.management.config.file", "STRING", false),
364 _jmxremote_port
365 ("jmxremote.port",
366 "set com.sun.management.jmxremote.port", "STRING", false),
368 _jmxremote_rmi_port
369 ("jmxremote.rmi.port",
370 "set com.sun.management.jmxremote.rmi.port", "STRING", false),
372 _jmxremote_ssl
373 ("jmxremote.ssl",
374 "set com.sun.management.jmxremote.ssl", "STRING", false),
376 _jmxremote_registry_ssl
377 ("jmxremote.registry.ssl",
378 "set com.sun.management.jmxremote.registry.ssl", "STRING", false),
380 _jmxremote_authenticate
381 ("jmxremote.authenticate",
382 "set com.sun.management.jmxremote.authenticate", "STRING", false),
384 _jmxremote_password_file
385 ("jmxremote.password.file",
386 "set com.sun.management.jmxremote.password.file", "STRING", false),
388 _jmxremote_access_file
389 ("jmxremote.access.file",
390 "set com.sun.management.jmxremote.access.file", "STRING", false),
392 _jmxremote_login_config
393 ("jmxremote.login.config",
394 "set com.sun.management.jmxremote.login.config", "STRING", false),
396 _jmxremote_ssl_enabled_cipher_suites
397 ("jmxremote.ssl.enabled.cipher.suites",
398 "set com.sun.management.jmxremote.ssl.enabled.cipher.suite", "STRING", false),
400 _jmxremote_ssl_enabled_protocols
401 ("jmxremote.ssl.enabled.protocols",
402 "set com.sun.management.jmxremote.ssl.enabled.protocols", "STRING", false),
404 _jmxremote_ssl_need_client_auth
405 ("jmxremote.ssl.need.client.auth",
406 "set com.sun.management.jmxremote.need.client.auth", "STRING", false),
408 _jmxremote_ssl_config_file
409 ("jmxremote.ssl.config.file",
410 "set com.sun.management.jmxremote.ssl_config_file", "STRING", false)
412 {
413 _dcmdparser.add_dcmd_option(&_config_file);
414 _dcmdparser.add_dcmd_option(&_jmxremote_port);
415 _dcmdparser.add_dcmd_option(&_jmxremote_rmi_port);
416 _dcmdparser.add_dcmd_option(&_jmxremote_ssl);
417 _dcmdparser.add_dcmd_option(&_jmxremote_registry_ssl);
418 _dcmdparser.add_dcmd_option(&_jmxremote_authenticate);
419 _dcmdparser.add_dcmd_option(&_jmxremote_password_file);
420 _dcmdparser.add_dcmd_option(&_jmxremote_access_file);
421 _dcmdparser.add_dcmd_option(&_jmxremote_login_config);
422 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_cipher_suites);
423 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_protocols);
424 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_need_client_auth);
425 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_config_file);
426 }
429 int JMXStartRemoteDCmd::num_arguments() {
430 ResourceMark rm;
431 JMXStartRemoteDCmd* dcmd = new JMXStartRemoteDCmd(NULL, false);
432 if (dcmd != NULL) {
433 DCmdMark mark(dcmd);
434 return dcmd->_dcmdparser.num_arguments();
435 } else {
436 return 0;
437 }
438 }
441 void JMXStartRemoteDCmd::execute(TRAPS) {
442 ResourceMark rm(THREAD);
443 HandleMark hm(THREAD);
445 // Load and initialize the sun.management.Agent class
446 // invoke startRemoteManagementAgent(string) method to start
447 // the remote management server.
448 // throw java.lang.NoSuchMethodError if the method doesn't exist
450 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
451 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
452 instanceKlassHandle ik (THREAD, k);
454 JavaValue result(T_VOID);
456 // Pass all command line arguments to java as key=value,...
457 // All checks are done on java side
459 int len = 0;
460 stringStream options;
461 char comma[2] = {0,0};
463 // Leave default values on Agent.class side and pass only
464 // agruments explicitly set by user. All arguments passed
465 // to jcmd override properties with the same name set by
466 // command line with -D or by managmenent.properties
467 // file.
468 #define PUT_OPTION(a) \
469 if ( (a).is_set() ){ \
470 options.print("%scom.sun.management.%s=%s", comma, (a).name(), (a).value()); \
471 comma[0] = ','; \
472 }
474 PUT_OPTION(_config_file);
475 PUT_OPTION(_jmxremote_port);
476 PUT_OPTION(_jmxremote_rmi_port);
477 PUT_OPTION(_jmxremote_ssl);
478 PUT_OPTION(_jmxremote_registry_ssl);
479 PUT_OPTION(_jmxremote_authenticate);
480 PUT_OPTION(_jmxremote_password_file);
481 PUT_OPTION(_jmxremote_access_file);
482 PUT_OPTION(_jmxremote_login_config);
483 PUT_OPTION(_jmxremote_ssl_enabled_cipher_suites);
484 PUT_OPTION(_jmxremote_ssl_enabled_protocols);
485 PUT_OPTION(_jmxremote_ssl_need_client_auth);
486 PUT_OPTION(_jmxremote_ssl_config_file);
488 #undef PUT_OPTION
490 Handle str = java_lang_String::create_from_str(options.as_string(), CHECK);
491 JavaCalls::call_static(&result, ik, vmSymbols::startRemoteAgent_name(), vmSymbols::string_void_signature(), str, CHECK);
492 }
494 JMXStartLocalDCmd::JMXStartLocalDCmd(outputStream *output, bool heap_allocated) :
495 DCmd(output, heap_allocated)
496 {
497 // do nothing
498 }
500 void JMXStartLocalDCmd::execute(TRAPS) {
501 ResourceMark rm(THREAD);
502 HandleMark hm(THREAD);
504 // Load and initialize the sun.management.Agent class
505 // invoke startLocalManagementAgent(void) method to start
506 // the local management server
507 // throw java.lang.NoSuchMethodError if method doesn't exist
509 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
510 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
511 instanceKlassHandle ik (THREAD, k);
513 JavaValue result(T_VOID);
514 JavaCalls::call_static(&result, ik, vmSymbols::startLocalAgent_name(), vmSymbols::void_method_signature(), CHECK);
515 }
518 void JMXStopRemoteDCmd::execute(TRAPS) {
519 ResourceMark rm(THREAD);
520 HandleMark hm(THREAD);
522 // Load and initialize the sun.management.Agent class
523 // invoke stopRemoteManagementAgent method to stop the
524 // management server
525 // throw java.lang.NoSuchMethodError if method doesn't exist
527 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
528 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
529 instanceKlassHandle ik (THREAD, k);
531 JavaValue result(T_VOID);
532 JavaCalls::call_static(&result, ik, vmSymbols::stopRemoteAgent_name(), vmSymbols::void_method_signature(), CHECK);
533 }
