1 /*
2 * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
254 protected:
255 DCmdArgument<bool> _all;
256 DCmdArgument<bool> _csv;
257 DCmdArgument<bool> _help;
258 DCmdArgument<char*> _columns;
259 public:
260 ClassStatsDCmd(outputStream* output, bool heap);
261 static const char* name() {
262 return "GC.class_stats";
263 }
264 static const char* description() {
265 return "Provide statistics about Java class meta data. Requires -XX:+UnlockDiagnosticVMOptions.";
266 }
267 static const char* impact() {
268 return "High: Depends on Java heap size and content.";
269 }
270 static int num_arguments();
271 virtual void execute(DCmdSource source, TRAPS);
272 };
273
274 // See also: thread_dump in attachListener.cpp
275 class ThreadDumpDCmd : public DCmdWithParser {
276 protected:
277 DCmdArgument<bool> _locks;
278 public:
279 ThreadDumpDCmd(outputStream* output, bool heap);
280 static const char* name() { return "Thread.print"; }
281 static const char* description() {
282 return "Print all threads with stacktraces.";
283 }
284 static const char* impact() {
285 return "Medium: Depends on the number of threads.";
286 }
287 static const JavaPermission permission() {
288 JavaPermission p = {"java.lang.management.ManagementPermission",
289 "monitor", NULL};
290 return p;
291 }
292 static int num_arguments();
293 virtual void execute(DCmdSource source, TRAPS);
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1 /*
2 * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
254 protected:
255 DCmdArgument<bool> _all;
256 DCmdArgument<bool> _csv;
257 DCmdArgument<bool> _help;
258 DCmdArgument<char*> _columns;
259 public:
260 ClassStatsDCmd(outputStream* output, bool heap);
261 static const char* name() {
262 return "GC.class_stats";
263 }
264 static const char* description() {
265 return "Provide statistics about Java class meta data. Requires -XX:+UnlockDiagnosticVMOptions.";
266 }
267 static const char* impact() {
268 return "High: Depends on Java heap size and content.";
269 }
270 static int num_arguments();
271 virtual void execute(DCmdSource source, TRAPS);
272 };
273
274
275 class ClassHierarchyDCmd : public DCmd {
276 public:
277 ClassHierarchyDCmd(outputStream* output, bool heap) : DCmd(output, heap) { }
278 static const char* name() {
279 return "VM.class_hierarchy";
280 }
281 static const char* description() {
282 return "Print a list of all loaded classes, indented to show the class hiearchy.";
283 }
284 static const char* impact() {
285 return "Medium: Depends on number of loaded classes.";
286 }
287 virtual void execute(DCmdSource source, TRAPS);
288 };
289
290 // See also: thread_dump in attachListener.cpp
291 class ThreadDumpDCmd : public DCmdWithParser {
292 protected:
293 DCmdArgument<bool> _locks;
294 public:
295 ThreadDumpDCmd(outputStream* output, bool heap);
296 static const char* name() { return "Thread.print"; }
297 static const char* description() {
298 return "Print all threads with stacktraces.";
299 }
300 static const char* impact() {
301 return "Medium: Depends on the number of threads.";
302 }
303 static const JavaPermission permission() {
304 JavaPermission p = {"java.lang.management.ManagementPermission",
305 "monitor", NULL};
306 return p;
307 }
308 static int num_arguments();
309 virtual void execute(DCmdSource source, TRAPS);
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