138 return "Medium: Depends on Java heap size and content.";
139 }
140 static int num_arguments() { return 0; }
141 virtual void execute(TRAPS);
142 };
143
144 class RunFinalizationDCmd : public DCmd {
145 public:
146 RunFinalizationDCmd(outputStream* output, bool heap) : DCmd(output, heap) { }
147 static const char* name() { return "GC.run_finalization"; }
148 static const char* description() {
149 return "Call java.lang.System.runFinalization().";
150 }
151 static const char* impact() {
152 return "Medium: Depends on Java content.";
153 }
154 static int num_arguments() { return 0; }
155 virtual void execute(TRAPS);
156 };
157
158 #ifndef SERVICES_KERNEL // Heap dumping not supported
159 // See also: dump_heap in attachListener.cpp
160 class HeapDumpDCmd : public DCmdWithParser {
161 protected:
162 DCmdArgument<char*> _filename;
163 DCmdArgument<bool> _all;
164 public:
165 HeapDumpDCmd(outputStream* output, bool heap);
166 static const char* name() {
167 return "GC.heap_dump";
168 }
169 static const char* description() {
170 return "Generate a HPROF format dump of the Java heap.";
171 }
172 static const char* impact() {
173 return "High: Depends on Java heap size and content. "
174 "Request a full GC unless the '-all' option is specified.";
175 }
176 static int num_arguments();
177 virtual void execute(TRAPS);
178 };
179 #endif // SERVICES_KERNEL
180
181 // See also: inspeactheap in attachListener.cpp
182 class ClassHistogramDCmd : public DCmdWithParser {
183 protected:
184 DCmdArgument<bool> _all;
185 public:
186 ClassHistogramDCmd(outputStream* output, bool heap);
187 static const char* name() {
188 return "GC.class_histogram";
189 }
190 static const char* description() {
191 return "Provide statistics about the Java heap usage.";
192 }
193 static const char* impact() {
194 return "High: Depends on Java heap size and content.";
195 }
196 static int num_arguments();
197 virtual void execute(TRAPS);
198 };
199
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138 return "Medium: Depends on Java heap size and content.";
139 }
140 static int num_arguments() { return 0; }
141 virtual void execute(TRAPS);
142 };
143
144 class RunFinalizationDCmd : public DCmd {
145 public:
146 RunFinalizationDCmd(outputStream* output, bool heap) : DCmd(output, heap) { }
147 static const char* name() { return "GC.run_finalization"; }
148 static const char* description() {
149 return "Call java.lang.System.runFinalization().";
150 }
151 static const char* impact() {
152 return "Medium: Depends on Java content.";
153 }
154 static int num_arguments() { return 0; }
155 virtual void execute(TRAPS);
156 };
157
158 #if INCLUDE_SERVICES // Heap dumping supported
159 // See also: dump_heap in attachListener.cpp
160 class HeapDumpDCmd : public DCmdWithParser {
161 protected:
162 DCmdArgument<char*> _filename;
163 DCmdArgument<bool> _all;
164 public:
165 HeapDumpDCmd(outputStream* output, bool heap);
166 static const char* name() {
167 return "GC.heap_dump";
168 }
169 static const char* description() {
170 return "Generate a HPROF format dump of the Java heap.";
171 }
172 static const char* impact() {
173 return "High: Depends on Java heap size and content. "
174 "Request a full GC unless the '-all' option is specified.";
175 }
176 static int num_arguments();
177 virtual void execute(TRAPS);
178 };
179 #endif // INCLUDE_SERVICES
180
181 // See also: inspeactheap in attachListener.cpp
182 class ClassHistogramDCmd : public DCmdWithParser {
183 protected:
184 DCmdArgument<bool> _all;
185 public:
186 ClassHistogramDCmd(outputStream* output, bool heap);
187 static const char* name() {
188 return "GC.class_histogram";
189 }
190 static const char* description() {
191 return "Provide statistics about the Java heap usage.";
192 }
193 static const char* impact() {
194 return "High: Depends on Java heap size and content.";
195 }
196 static int num_arguments();
197 virtual void execute(TRAPS);
198 };
199
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