223 return "Medium: Depends on Java heap size and content.";
224 }
225 static int num_arguments() { return 0; }
226 virtual void execute(DCmdSource source, TRAPS);
227 };
228
229 class RunFinalizationDCmd : public DCmd {
230 public:
231 RunFinalizationDCmd(outputStream* output, bool heap) : DCmd(output, heap) { }
232 static const char* name() { return "GC.run_finalization"; }
233 static const char* description() {
234 return "Call java.lang.System.runFinalization().";
235 }
236 static const char* impact() {
237 return "Medium: Depends on Java content.";
238 }
239 static int num_arguments() { return 0; }
240 virtual void execute(DCmdSource source, TRAPS);
241 };
242
243 #if INCLUDE_SERVICES // Heap dumping supported
244 // See also: dump_heap in attachListener.cpp
245 class HeapDumpDCmd : public DCmdWithParser {
246 protected:
247 DCmdArgument<char*> _filename;
248 DCmdArgument<bool> _all;
249 public:
250 HeapDumpDCmd(outputStream* output, bool heap);
251 static const char* name() {
252 return "GC.heap_dump";
253 }
254 static const char* description() {
255 return "Generate a HPROF format dump of the Java heap.";
256 }
257 static const char* impact() {
258 return "High: Depends on Java heap size and content. "
259 "Request a full GC unless the '-all' option is specified.";
260 }
261 static const JavaPermission permission() {
262 JavaPermission p = {"java.lang.management.ManagementPermission",
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223 return "Medium: Depends on Java heap size and content.";
224 }
225 static int num_arguments() { return 0; }
226 virtual void execute(DCmdSource source, TRAPS);
227 };
228
229 class RunFinalizationDCmd : public DCmd {
230 public:
231 RunFinalizationDCmd(outputStream* output, bool heap) : DCmd(output, heap) { }
232 static const char* name() { return "GC.run_finalization"; }
233 static const char* description() {
234 return "Call java.lang.System.runFinalization().";
235 }
236 static const char* impact() {
237 return "Medium: Depends on Java content.";
238 }
239 static int num_arguments() { return 0; }
240 virtual void execute(DCmdSource source, TRAPS);
241 };
242
243 class HeapInfoDCmd : public DCmd {
244 public:
245 HeapInfoDCmd(outputStream* output, bool heap) : DCmd(output, heap) { }
246 static const char* name() { return "GC.heap_info"; }
247 static const char* description() {
248 return "Provide generic Java heap information.";
249 }
250 static const char* impact() {
251 return "Medium";
252 }
253 static int num_arguments() { return 0; }
254 static const JavaPermission permission() {
255 JavaPermission p = {"java.lang.management.ManagementPermission",
256 "monitor", NULL};
257 return p;
258 }
259
260 virtual void execute(DCmdSource source, TRAPS);
261 };
262
263 class FinalizerInfoDCmd : public DCmd {
264 public:
265 FinalizerInfoDCmd(outputStream* output, bool heap) : DCmd(output, heap) { }
266 static const char* name() { return "GC.finalizer_info"; }
267 static const char* description() {
268 return "Provide information about Java finalization queue.";
269 }
270 static const char* impact() {
271 return "Medium";
272 }
273 static int num_arguments() { return 0; }
274 static const JavaPermission permission() {
275 JavaPermission p = {"java.lang.management.ManagementPermission",
276 "monitor", NULL};
277 return p;
278 }
279
280 virtual void execute(DCmdSource source, TRAPS);
281 };
282
283 #if INCLUDE_SERVICES // Heap dumping supported
284 // See also: dump_heap in attachListener.cpp
285 class HeapDumpDCmd : public DCmdWithParser {
286 protected:
287 DCmdArgument<char*> _filename;
288 DCmdArgument<bool> _all;
289 public:
290 HeapDumpDCmd(outputStream* output, bool heap);
291 static const char* name() {
292 return "GC.heap_dump";
293 }
294 static const char* description() {
295 return "Generate a HPROF format dump of the Java heap.";
296 }
297 static const char* impact() {
298 return "High: Depends on Java heap size and content. "
299 "Request a full GC unless the '-all' option is specified.";
300 }
301 static const JavaPermission permission() {
302 JavaPermission p = {"java.lang.management.ManagementPermission",
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