1 /*
2 * Copyright (c) 2012, 2019, 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 *
23 */
24
25 #ifndef SHARE_VM_JFR_JFRDCMDS_HPP
26 #define SHARE_VM_JFR_JFRDCMDS_HPP
27
28 #include "services/diagnosticCommand.hpp"
29
30 class JfrDumpFlightRecordingDCmd : public DCmdWithParser {
31 protected:
32 DCmdArgument<char*> _name;
33 DCmdArgument<char*> _filename;
34 DCmdArgument<bool> _path_to_gc_roots;
35
36 public:
37 JfrDumpFlightRecordingDCmd(outputStream* output, bool heap);
38 static const char* name() {
39 return "JFR.dump";
40 }
41 static const char* description() {
42 return "Copies contents of a JFR recording to file. Either the name or the recording id must be specified.";
43 }
44 static const char* impact() {
45 return "Low";
46 }
47 static const JavaPermission permission() {
48 JavaPermission p = {"java.lang.management.ManagementPermission", "monitor", NULL};
49 return p;
50 }
51 static int num_arguments();
52 virtual void execute(DCmdSource source, TRAPS);
53 };
54
55 class JfrCheckFlightRecordingDCmd : public DCmdWithParser {
56 protected:
57 DCmdArgument<char*> _name;
58 DCmdArgument<bool> _verbose;
59
60 public:
61 JfrCheckFlightRecordingDCmd(outputStream* output, bool heap);
62 static const char* name() {
63 return "JFR.check";
64 }
65 static const char* description() {
66 return "Checks running JFR recording(s)";
67 }
68 static const char* impact() {
69 return "Low";
70 }
71 static const JavaPermission permission() {
72 JavaPermission p = {"java.lang.management.ManagementPermission", "monitor", NULL};
73 return p;
74 }
75 static int num_arguments();
76 virtual void execute(DCmdSource source, TRAPS);
77 };
78
79 class JfrStartFlightRecordingDCmd : public DCmdWithParser {
80 protected:
81 DCmdArgument<char*> _name;
82 DCmdArgument<StringArrayArgument*> _settings;
83 DCmdArgument<NanoTimeArgument> _delay;
84 DCmdArgument<NanoTimeArgument> _duration;
85 DCmdArgument<bool> _disk;
86 DCmdArgument<char*> _filename;
87 DCmdArgument<NanoTimeArgument> _maxage;
88 DCmdArgument<MemorySizeArgument> _maxsize;
89 DCmdArgument<bool> _dump_on_exit;
90 DCmdArgument<bool> _path_to_gc_roots;
91
92 public:
93 JfrStartFlightRecordingDCmd(outputStream* output, bool heap);
94 static const char* name() {
95 return "JFR.start";
96 }
97 static const char* description() {
98 return "Starts a new JFR recording";
99 }
100 static const char* impact() {
101 return "Medium: Depending on the settings for a recording, the impact can range from low to high.";
102 }
103 static const JavaPermission permission() {
104 JavaPermission p = {"java.lang.management.ManagementPermission", "monitor", NULL};
105 return p;
106 }
107 static int num_arguments();
108 virtual void execute(DCmdSource source, TRAPS);
109 };
110
111 class JfrStopFlightRecordingDCmd : public DCmdWithParser {
112 protected:
113 DCmdArgument<char*> _name;
114 DCmdArgument<char*> _filename;
115
116 public:
117 JfrStopFlightRecordingDCmd(outputStream* output, bool heap);
118 static const char* name() {
119 return "JFR.stop";
120 }
121 static const char* description() {
122 return "Stops a JFR recording";
123 }
124 static const char* impact() {
125 return "Low";
126 }
127 static const JavaPermission permission() {
128 JavaPermission p = {"java.lang.management.ManagementPermission", "monitor", NULL};
129 return p;
130 }
131 static int num_arguments();
132 virtual void execute(DCmdSource source, TRAPS);
133 };
134
135 class JfrRuntimeOptions;
136
137 class JfrConfigureFlightRecorderDCmd : public DCmdWithParser {
138 friend class JfrOptionSet;
139 protected:
140 DCmdArgument<char*> _repository_path;
141 DCmdArgument<char*> _dump_path;
142 DCmdArgument<jlong> _stack_depth;
143 DCmdArgument<jlong> _global_buffer_count;
144 DCmdArgument<jlong> _global_buffer_size;
145 DCmdArgument<jlong> _thread_buffer_size;
146 DCmdArgument<jlong> _memory_size;
147 DCmdArgument<jlong> _max_chunk_size;
148 DCmdArgument<bool> _sample_threads;
149
150 public:
151 JfrConfigureFlightRecorderDCmd(outputStream* output, bool heap);
152 static const char* name() {
153 return "JFR.configure";
154 }
155 static const char* description() {
156 return "Configure JFR";
157 }
158 static const char* impact() {
159 return "Low";
160 }
161 static const JavaPermission permission() {
162 JavaPermission p = {"java.lang.management.ManagementPermission", "monitor", NULL};
163 return p;
164 }
165 static int num_arguments();
166 virtual void execute(DCmdSource source, TRAPS);
167 };
168
169 bool register_jfr_dcmds();
170
171 #endif // SHARE_VM_JFR_JFRDCMDS_HPP