181 return "Medium: Depends on Java heap size and content.";
182 }
183 static int num_arguments() { return 0; }
184 virtual void execute(DCmdSource source, TRAPS);
185 };
186
187 class RunFinalizationDCmd : public DCmd {
188 public:
189 RunFinalizationDCmd(outputStream* output, bool heap) : DCmd(output, heap) { }
190 static const char* name() { return "GC.run_finalization"; }
191 static const char* description() {
192 return "Call java.lang.System.runFinalization().";
193 }
194 static const char* impact() {
195 return "Medium: Depends on Java content.";
196 }
197 static int num_arguments() { return 0; }
198 virtual void execute(DCmdSource source, TRAPS);
199 };
200
201 #if INCLUDE_SERVICES // Heap dumping supported
202 // See also: dump_heap in attachListener.cpp
203 class HeapDumpDCmd : public DCmdWithParser {
204 protected:
205 DCmdArgument<char*> _filename;
206 DCmdArgument<bool> _all;
207 public:
208 HeapDumpDCmd(outputStream* output, bool heap);
209 static const char* name() {
210 return "GC.heap_dump";
211 }
212 static const char* description() {
213 return "Generate a HPROF format dump of the Java heap.";
214 }
215 static const char* impact() {
216 return "High: Depends on Java heap size and content. "
217 "Request a full GC unless the '-all' option is specified.";
218 }
219 static const JavaPermission permission() {
220 JavaPermission p = {"java.lang.management.ManagementPermission",
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181 return "Medium: Depends on Java heap size and content.";
182 }
183 static int num_arguments() { return 0; }
184 virtual void execute(DCmdSource source, TRAPS);
185 };
186
187 class RunFinalizationDCmd : public DCmd {
188 public:
189 RunFinalizationDCmd(outputStream* output, bool heap) : DCmd(output, heap) { }
190 static const char* name() { return "GC.run_finalization"; }
191 static const char* description() {
192 return "Call java.lang.System.runFinalization().";
193 }
194 static const char* impact() {
195 return "Medium: Depends on Java content.";
196 }
197 static int num_arguments() { return 0; }
198 virtual void execute(DCmdSource source, TRAPS);
199 };
200
201 class HeapInfoDCmd : public DCmd {
202 public:
203 HeapInfoDCmd(outputStream* output, bool heap) : DCmd(output, heap) { }
204 static const char* name() { return "GC.heap_info"; }
205 static const char* description() {
206 return "Provide generic Java heap information.";
207 }
208 static const char* impact() {
209 return "Low";
210 }
211 static int num_arguments() { return 0; }
212 static const JavaPermission permission() {
213 JavaPermission p = {"java.lang.management.ManagementPermission",
214 "monitor", NULL};
215 return p;
216 }
217
218 virtual void execute(DCmdSource source, TRAPS);
219 };
220
221 class FinalizerInfoDCmd : public DCmd {
222 public:
223 FinalizerInfoDCmd(outputStream* output, bool heap) : DCmd(output, heap) { }
224 static const char* name() { return "GC.finalizer_info"; }
225 static const char* description() {
226 return "Provide information about Java finalization queue.";
227 }
228 static const char* impact() {
229 return "Low";
230 }
231 static int num_arguments() { return 0; }
232 static const JavaPermission permission() {
233 JavaPermission p = {"java.lang.management.ManagementPermission",
234 "monitor", NULL};
235 return p;
236 }
237
238 virtual void execute(DCmdSource source, TRAPS);
239 };
240
241 #if INCLUDE_SERVICES // Heap dumping supported
242 // See also: dump_heap in attachListener.cpp
243 class HeapDumpDCmd : public DCmdWithParser {
244 protected:
245 DCmdArgument<char*> _filename;
246 DCmdArgument<bool> _all;
247 public:
248 HeapDumpDCmd(outputStream* output, bool heap);
249 static const char* name() {
250 return "GC.heap_dump";
251 }
252 static const char* description() {
253 return "Generate a HPROF format dump of the Java heap.";
254 }
255 static const char* impact() {
256 return "High: Depends on Java heap size and content. "
257 "Request a full GC unless the '-all' option is specified.";
258 }
259 static const JavaPermission permission() {
260 JavaPermission p = {"java.lang.management.ManagementPermission",
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