37 #include "utilities/macros.hpp"
38
39 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
40
41 void DCmdRegistrant::register_dcmds(){
42 // Registration of the diagnostic commands
43 // First argument specifies which interfaces will export the command
44 // Second argument specifies if the command is enabled
45 // Third argument specifies if the command is hidden
46 uint32_t full_export = DCmd_Source_Internal | DCmd_Source_AttachAPI
47 | DCmd_Source_MBean;
48 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HelpDCmd>(full_export, true, false));
49 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VersionDCmd>(full_export, true, false));
50 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CommandLineDCmd>(full_export, true, false));
51 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintSystemPropertiesDCmd>(full_export, true, false));
52 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintVMFlagsDCmd>(full_export, true, false));
53 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMDynamicLibrariesDCmd>(full_export, true, false));
54 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMUptimeDCmd>(full_export, true, false));
55 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SystemGCDCmd>(full_export, true, false));
56 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RunFinalizationDCmd>(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 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassHierarchyDCmd>(full_export, true, false));
62 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SymboltableDCmd>(full_export, true, false));
63 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<StringtableDCmd>(full_export, true, false));
64 #endif // INCLUDE_SERVICES
65 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ThreadDumpDCmd>(full_export, true, false));
66 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RotateGCLogDCmd>(full_export, true, false));
67 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassLoaderStatsDCmd>(full_export, true, false));
68 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompileQueueDCmd>(full_export, true, false));
69 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeListDCmd>(full_export, true, false));
70 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeCacheDCmd>(full_export, true, false));
71
72 // Enhanced JMX Agent Support
73 // These commands won't be exported via the DiagnosticCommandMBean until an
74 // appropriate permission is created for them
75 uint32_t jmx_agent_export_flags = DCmd_Source_Internal | DCmd_Source_AttachAPI;
76 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartRemoteDCmd>(jmx_agent_export_flags, true,false));
266 return 0;
267 }
268 }
269
270 void SystemGCDCmd::execute(DCmdSource source, TRAPS) {
271 if (!DisableExplicitGC) {
272 Universe::heap()->collect(GCCause::_java_lang_system_gc);
273 } else {
274 output()->print_cr("Explicit GC is disabled, no GC has been performed.");
275 }
276 }
277
278 void RunFinalizationDCmd::execute(DCmdSource source, TRAPS) {
279 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_System(),
280 true, CHECK);
281 instanceKlassHandle klass(THREAD, k);
282 JavaValue result(T_VOID);
283 JavaCalls::call_static(&result, klass,
284 vmSymbols::run_finalization_name(),
285 vmSymbols::void_method_signature(), CHECK);
286 }
287
288 #if INCLUDE_SERVICES // Heap dumping/inspection supported
289 HeapDumpDCmd::HeapDumpDCmd(outputStream* output, bool heap) :
290 DCmdWithParser(output, heap),
291 _filename("filename","Name of the dump file", "STRING",true),
292 _all("-all", "Dump all objects, including unreachable objects",
293 "BOOLEAN", false, "false") {
294 _dcmdparser.add_dcmd_option(&_all);
295 _dcmdparser.add_dcmd_argument(&_filename);
296 }
297
298 void HeapDumpDCmd::execute(DCmdSource source, TRAPS) {
299 // Request a full GC before heap dump if _all is false
300 // This helps reduces the amount of unreachable objects in the dump
301 // and makes it easier to browse.
302 HeapDumper dumper(!_all.value() /* request GC if _all is false*/);
303 int res = dumper.dump(_filename.value());
304 if (res == 0) {
305 output()->print_cr("Heap dump file created");
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37 #include "utilities/macros.hpp"
38
39 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
40
41 void DCmdRegistrant::register_dcmds(){
42 // Registration of the diagnostic commands
43 // First argument specifies which interfaces will export the command
44 // Second argument specifies if the command is enabled
45 // Third argument specifies if the command is hidden
46 uint32_t full_export = DCmd_Source_Internal | DCmd_Source_AttachAPI
47 | DCmd_Source_MBean;
48 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HelpDCmd>(full_export, true, false));
49 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VersionDCmd>(full_export, true, false));
50 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CommandLineDCmd>(full_export, true, false));
51 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintSystemPropertiesDCmd>(full_export, true, false));
52 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintVMFlagsDCmd>(full_export, true, false));
53 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMDynamicLibrariesDCmd>(full_export, true, false));
54 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMUptimeDCmd>(full_export, true, false));
55 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SystemGCDCmd>(full_export, true, false));
56 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RunFinalizationDCmd>(full_export, true, false));
57 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HeapInfoDCmd>(full_export, true, false));
58 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<FinalizerInfoDCmd>(full_export, true, false));
59 #if INCLUDE_SERVICES // Heap dumping/inspection supported
60 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HeapDumpDCmd>(DCmd_Source_Internal | DCmd_Source_AttachAPI, true, false));
61 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassHistogramDCmd>(full_export, true, false));
62 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassStatsDCmd>(full_export, true, false));
63 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassHierarchyDCmd>(full_export, true, false));
64 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SymboltableDCmd>(full_export, true, false));
65 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<StringtableDCmd>(full_export, true, false));
66 #endif // INCLUDE_SERVICES
67 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ThreadDumpDCmd>(full_export, true, false));
68 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RotateGCLogDCmd>(full_export, true, false));
69 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassLoaderStatsDCmd>(full_export, true, false));
70 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompileQueueDCmd>(full_export, true, false));
71 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeListDCmd>(full_export, true, false));
72 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeCacheDCmd>(full_export, true, false));
73
74 // Enhanced JMX Agent Support
75 // These commands won't be exported via the DiagnosticCommandMBean until an
76 // appropriate permission is created for them
77 uint32_t jmx_agent_export_flags = DCmd_Source_Internal | DCmd_Source_AttachAPI;
78 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartRemoteDCmd>(jmx_agent_export_flags, true,false));
268 return 0;
269 }
270 }
271
272 void SystemGCDCmd::execute(DCmdSource source, TRAPS) {
273 if (!DisableExplicitGC) {
274 Universe::heap()->collect(GCCause::_java_lang_system_gc);
275 } else {
276 output()->print_cr("Explicit GC is disabled, no GC has been performed.");
277 }
278 }
279
280 void RunFinalizationDCmd::execute(DCmdSource source, TRAPS) {
281 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_System(),
282 true, CHECK);
283 instanceKlassHandle klass(THREAD, k);
284 JavaValue result(T_VOID);
285 JavaCalls::call_static(&result, klass,
286 vmSymbols::run_finalization_name(),
287 vmSymbols::void_method_signature(), CHECK);
288 }
289
290 void HeapInfoDCmd::execute(DCmdSource source, TRAPS) {
291 Universe::heap()->print_on(output());
292 }
293
294 void FinalizerInfoDCmd::execute(DCmdSource source, TRAPS) {
295 output()->print_cr("Unreachable instances awaiting finalization");
296
297 Klass *k = SystemDictionary::Finalizer_klass();
298 instanceKlassHandle klass(THREAD, k);
299 JavaValue result(T_OBJECT);
300 JavaCalls::call_static(&result, klass,
301 vmSymbols::print_finalization_queue_name(),
302 vmSymbols::void_string_signature(), CHECK);
303
304 oop result_oop = (oop) result.get_jobject();
305 char *result_str = java_lang_String::as_utf8_string(result_oop);
306 output()->print_cr("%s", result_str);
307 }
308
309 #if INCLUDE_SERVICES // Heap dumping/inspection supported
310 HeapDumpDCmd::HeapDumpDCmd(outputStream* output, bool heap) :
311 DCmdWithParser(output, heap),
312 _filename("filename","Name of the dump file", "STRING",true),
313 _all("-all", "Dump all objects, including unreachable objects",
314 "BOOLEAN", false, "false") {
315 _dcmdparser.add_dcmd_option(&_all);
316 _dcmdparser.add_dcmd_argument(&_filename);
317 }
318
319 void HeapDumpDCmd::execute(DCmdSource source, TRAPS) {
320 // Request a full GC before heap dump if _all is false
321 // This helps reduces the amount of unreachable objects in the dump
322 // and makes it easier to browse.
323 HeapDumper dumper(!_all.value() /* request GC if _all is false*/);
324 int res = dumper.dump(_filename.value());
325 if (res == 0) {
326 output()->print_cr("Heap dump file created");
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