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
34 void DCmdRegistrant::register_dcmds(){
35 // Registration of the diagnostic commands
36 // First boolean argument specifies if the command is enabled
37 // Second boolean argument specifies if the command is hidden
38 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HelpDCmd>(true, false));
39 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VersionDCmd>(true, false));
40 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CommandLineDCmd>(true, false));
41 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintSystemPropertiesDCmd>(true, false));
42 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintVMFlagsDCmd>(true, false));
43 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMUptimeDCmd>(true, false));
44 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SystemGCDCmd>(true, false));
45 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RunFinalizationDCmd>(true, false));
46 #ifndef SERVICES_KERNEL // Heap dumping not supported
47 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HeapDumpDCmd>(true, false));
48 #endif // SERVICES_KERNEL
49 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassHistogramDCmd>(true, false));
50 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ThreadDumpDCmd>(true, false));
51
52 //Enhanced JMX Agent Support
53 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartRemoteDCmd>(true,false));
54 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartLocalDCmd>(true,false));
55 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStopRemoteDCmd>(true,false));
56
57 }
58
59 #ifndef HAVE_EXTRA_DCMD
60 void DCmdRegistrant::register_dcmds_ext(){
61 // Do nothing here
62 }
63 #endif
64
65
66 HelpDCmd::HelpDCmd(outputStream* output, bool heap) : DCmdWithParser(output, heap),
67 _all("-all", "Show help for all commands", "BOOLEAN", false, "false"),
68 _cmd("command name", "The name of the command for which we want help",
235 return dcmd->_dcmdparser.num_arguments();
236 } else {
237 return 0;
238 }
239 }
240
241 void SystemGCDCmd::execute(TRAPS) {
242 Universe::heap()->collect(GCCause::_java_lang_system_gc);
243 }
244
245 void RunFinalizationDCmd::execute(TRAPS) {
246 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_System(),
247 true, CHECK);
248 instanceKlassHandle klass(THREAD, k);
249 JavaValue result(T_VOID);
250 JavaCalls::call_static(&result, klass,
251 vmSymbols::run_finalization_name(),
252 vmSymbols::void_method_signature(), CHECK);
253 }
254
255 #ifndef SERVICES_KERNEL // Heap dumping not supported
256 HeapDumpDCmd::HeapDumpDCmd(outputStream* output, bool heap) :
257 DCmdWithParser(output, heap),
258 _filename("filename","Name of the dump file", "STRING",true),
259 _all("-all", "Dump all objects, including unreachable objects",
260 "BOOLEAN", false, "false") {
261 _dcmdparser.add_dcmd_option(&_all);
262 _dcmdparser.add_dcmd_argument(&_filename);
263 }
264
265 void HeapDumpDCmd::execute(TRAPS) {
266 // Request a full GC before heap dump if _all is false
267 // This helps reduces the amount of unreachable objects in the dump
268 // and makes it easier to browse.
269 HeapDumper dumper(!_all.value() /* request GC if _all is false*/);
270 int res = dumper.dump(_filename.value());
271 if (res == 0) {
272 output()->print_cr("Heap dump file created");
273 } else {
274 // heap dump failed
275 ResourceMark rm;
276 char* error = dumper.error_as_C_string();
277 if (error == NULL) {
278 output()->print_cr("Dump failed - reason unknown");
279 } else {
280 output()->print_cr("%s", error);
281 }
282 }
283 }
284
285 int HeapDumpDCmd::num_arguments() {
286 ResourceMark rm;
287 HeapDumpDCmd* dcmd = new HeapDumpDCmd(NULL, false);
288 if (dcmd != NULL) {
289 DCmdMark mark(dcmd);
290 return dcmd->_dcmdparser.num_arguments();
291 } else {
292 return 0;
293 }
294 }
295 #endif // SERVICES_KERNEL
296
297 ClassHistogramDCmd::ClassHistogramDCmd(outputStream* output, bool heap) :
298 DCmdWithParser(output, heap),
299 _all("-all", "Inspect all objects, including unreachable objects",
300 "BOOLEAN", false, "false") {
301 _dcmdparser.add_dcmd_option(&_all);
302 }
303
304 void ClassHistogramDCmd::execute(TRAPS) {
305 VM_GC_HeapInspection heapop(output(),
306 !_all.value() /* request full gc if false */,
307 true /* need_prologue */);
308 VMThread::execute(&heapop);
309 }
310
311 int ClassHistogramDCmd::num_arguments() {
312 ResourceMark rm;
313 ClassHistogramDCmd* dcmd = new ClassHistogramDCmd(NULL, false);
314 if (dcmd != NULL) {
315 DCmdMark mark(dcmd);
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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
34 void DCmdRegistrant::register_dcmds(){
35 // Registration of the diagnostic commands
36 // First boolean argument specifies if the command is enabled
37 // Second boolean argument specifies if the command is hidden
38 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HelpDCmd>(true, false));
39 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VersionDCmd>(true, false));
40 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CommandLineDCmd>(true, false));
41 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintSystemPropertiesDCmd>(true, false));
42 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintVMFlagsDCmd>(true, false));
43 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMUptimeDCmd>(true, false));
44 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SystemGCDCmd>(true, false));
45 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RunFinalizationDCmd>(true, false));
46 #if INCLUDE_SERVICES // Heap dumping supported
47 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HeapDumpDCmd>(true, false));
48 #endif // INCLUDE_SERVICES
49 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassHistogramDCmd>(true, false));
50 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ThreadDumpDCmd>(true, false));
51
52 //Enhanced JMX Agent Support
53 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartRemoteDCmd>(true,false));
54 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartLocalDCmd>(true,false));
55 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStopRemoteDCmd>(true,false));
56
57 }
58
59 #ifndef HAVE_EXTRA_DCMD
60 void DCmdRegistrant::register_dcmds_ext(){
61 // Do nothing here
62 }
63 #endif
64
65
66 HelpDCmd::HelpDCmd(outputStream* output, bool heap) : DCmdWithParser(output, heap),
67 _all("-all", "Show help for all commands", "BOOLEAN", false, "false"),
68 _cmd("command name", "The name of the command for which we want help",
235 return dcmd->_dcmdparser.num_arguments();
236 } else {
237 return 0;
238 }
239 }
240
241 void SystemGCDCmd::execute(TRAPS) {
242 Universe::heap()->collect(GCCause::_java_lang_system_gc);
243 }
244
245 void RunFinalizationDCmd::execute(TRAPS) {
246 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_System(),
247 true, CHECK);
248 instanceKlassHandle klass(THREAD, k);
249 JavaValue result(T_VOID);
250 JavaCalls::call_static(&result, klass,
251 vmSymbols::run_finalization_name(),
252 vmSymbols::void_method_signature(), CHECK);
253 }
254
255 #if INCLUDE_SERVICES // Heap dumping supported
256 HeapDumpDCmd::HeapDumpDCmd(outputStream* output, bool heap) :
257 DCmdWithParser(output, heap),
258 _filename("filename","Name of the dump file", "STRING",true),
259 _all("-all", "Dump all objects, including unreachable objects",
260 "BOOLEAN", false, "false") {
261 _dcmdparser.add_dcmd_option(&_all);
262 _dcmdparser.add_dcmd_argument(&_filename);
263 }
264
265 void HeapDumpDCmd::execute(TRAPS) {
266 // Request a full GC before heap dump if _all is false
267 // This helps reduces the amount of unreachable objects in the dump
268 // and makes it easier to browse.
269 HeapDumper dumper(!_all.value() /* request GC if _all is false*/);
270 int res = dumper.dump(_filename.value());
271 if (res == 0) {
272 output()->print_cr("Heap dump file created");
273 } else {
274 // heap dump failed
275 ResourceMark rm;
276 char* error = dumper.error_as_C_string();
277 if (error == NULL) {
278 output()->print_cr("Dump failed - reason unknown");
279 } else {
280 output()->print_cr("%s", error);
281 }
282 }
283 }
284
285 int HeapDumpDCmd::num_arguments() {
286 ResourceMark rm;
287 HeapDumpDCmd* dcmd = new HeapDumpDCmd(NULL, false);
288 if (dcmd != NULL) {
289 DCmdMark mark(dcmd);
290 return dcmd->_dcmdparser.num_arguments();
291 } else {
292 return 0;
293 }
294 }
295 #endif // INCLUDE_SERVICES
296
297 ClassHistogramDCmd::ClassHistogramDCmd(outputStream* output, bool heap) :
298 DCmdWithParser(output, heap),
299 _all("-all", "Inspect all objects, including unreachable objects",
300 "BOOLEAN", false, "false") {
301 _dcmdparser.add_dcmd_option(&_all);
302 }
303
304 void ClassHistogramDCmd::execute(TRAPS) {
305 VM_GC_HeapInspection heapop(output(),
306 !_all.value() /* request full gc if false */,
307 true /* need_prologue */);
308 VMThread::execute(&heapop);
309 }
310
311 int ClassHistogramDCmd::num_arguments() {
312 ResourceMark rm;
313 ClassHistogramDCmd* dcmd = new ClassHistogramDCmd(NULL, false);
314 if (dcmd != NULL) {
315 DCmdMark mark(dcmd);
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