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82d156cd TZ |
1 | /* |
2 | * trace-event-scripting. Scripting engine common and initialization code. | |
3 | * | |
4 | * Copyright (C) 2009-2010 Tom Zanussi <tzanussi@gmail.com> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | * | |
20 | */ | |
21 | ||
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <string.h> | |
82d156cd TZ |
25 | #include <errno.h> |
26 | ||
27 | #include "../perf.h" | |
28 | #include "util.h" | |
29 | #include "trace-event.h" | |
30 | ||
31 | struct scripting_context *scripting_context; | |
32 | ||
33 | static int stop_script_unsupported(void) | |
34 | { | |
35 | return 0; | |
36 | } | |
37 | ||
1d037ca1 IT |
38 | static void process_event_unsupported(union perf_event *event __maybe_unused, |
39 | struct perf_sample *sample __maybe_unused, | |
40 | struct perf_evsel *evsel __maybe_unused, | |
2eaa1b40 | 41 | struct thread *thread __maybe_unused, |
cc22e575 | 42 | struct addr_location *al __maybe_unused) |
82d156cd TZ |
43 | { |
44 | } | |
45 | ||
7e4b21b8 TZ |
46 | static void print_python_unsupported_msg(void) |
47 | { | |
48 | fprintf(stderr, "Python scripting not supported." | |
49 | " Install libpython and rebuild perf to enable it.\n" | |
50 | "For example:\n # apt-get install python-dev (ubuntu)" | |
51 | "\n # yum install python-devel (Fedora)" | |
52 | "\n etc.\n"); | |
53 | } | |
54 | ||
1d037ca1 IT |
55 | static int python_start_script_unsupported(const char *script __maybe_unused, |
56 | int argc __maybe_unused, | |
57 | const char **argv __maybe_unused) | |
7e4b21b8 TZ |
58 | { |
59 | print_python_unsupported_msg(); | |
60 | ||
61 | return -1; | |
62 | } | |
63 | ||
1d037ca1 IT |
64 | static int python_generate_script_unsupported(struct pevent *pevent |
65 | __maybe_unused, | |
66 | const char *outfile | |
67 | __maybe_unused) | |
7e4b21b8 TZ |
68 | { |
69 | print_python_unsupported_msg(); | |
70 | ||
71 | return -1; | |
72 | } | |
73 | ||
74 | struct scripting_ops python_scripting_unsupported_ops = { | |
75 | .name = "Python", | |
76 | .start_script = python_start_script_unsupported, | |
77 | .stop_script = stop_script_unsupported, | |
78 | .process_event = process_event_unsupported, | |
79 | .generate_script = python_generate_script_unsupported, | |
80 | }; | |
81 | ||
82 | static void register_python_scripting(struct scripting_ops *scripting_ops) | |
83 | { | |
84 | int err; | |
85 | err = script_spec_register("Python", scripting_ops); | |
86 | if (err) | |
87 | die("error registering Python script extension"); | |
88 | ||
89 | err = script_spec_register("py", scripting_ops); | |
90 | if (err) | |
91 | die("error registering py script extension"); | |
92 | ||
93 | scripting_context = malloc(sizeof(struct scripting_context)); | |
94 | } | |
95 | ||
96 | #ifdef NO_LIBPYTHON | |
97 | void setup_python_scripting(void) | |
98 | { | |
99 | register_python_scripting(&python_scripting_unsupported_ops); | |
100 | } | |
101 | #else | |
0f940cb7 | 102 | extern struct scripting_ops python_scripting_ops; |
7e4b21b8 TZ |
103 | |
104 | void setup_python_scripting(void) | |
105 | { | |
106 | register_python_scripting(&python_scripting_ops); | |
107 | } | |
108 | #endif | |
109 | ||
82d156cd TZ |
110 | static void print_perl_unsupported_msg(void) |
111 | { | |
112 | fprintf(stderr, "Perl scripting not supported." | |
113 | " Install libperl and rebuild perf to enable it.\n" | |
114 | "For example:\n # apt-get install libperl-dev (ubuntu)" | |
115 | "\n # yum install 'perl(ExtUtils::Embed)' (Fedora)" | |
116 | "\n etc.\n"); | |
117 | } | |
118 | ||
1d037ca1 IT |
119 | static int perl_start_script_unsupported(const char *script __maybe_unused, |
120 | int argc __maybe_unused, | |
121 | const char **argv __maybe_unused) | |
82d156cd TZ |
122 | { |
123 | print_perl_unsupported_msg(); | |
124 | ||
125 | return -1; | |
126 | } | |
127 | ||
1d037ca1 IT |
128 | static int perl_generate_script_unsupported(struct pevent *pevent |
129 | __maybe_unused, | |
130 | const char *outfile __maybe_unused) | |
82d156cd TZ |
131 | { |
132 | print_perl_unsupported_msg(); | |
133 | ||
134 | return -1; | |
135 | } | |
136 | ||
137 | struct scripting_ops perl_scripting_unsupported_ops = { | |
138 | .name = "Perl", | |
139 | .start_script = perl_start_script_unsupported, | |
140 | .stop_script = stop_script_unsupported, | |
141 | .process_event = process_event_unsupported, | |
142 | .generate_script = perl_generate_script_unsupported, | |
143 | }; | |
144 | ||
145 | static void register_perl_scripting(struct scripting_ops *scripting_ops) | |
146 | { | |
147 | int err; | |
148 | err = script_spec_register("Perl", scripting_ops); | |
149 | if (err) | |
150 | die("error registering Perl script extension"); | |
151 | ||
152 | err = script_spec_register("pl", scripting_ops); | |
153 | if (err) | |
154 | die("error registering pl script extension"); | |
155 | ||
156 | scripting_context = malloc(sizeof(struct scripting_context)); | |
157 | } | |
158 | ||
159 | #ifdef NO_LIBPERL | |
160 | void setup_perl_scripting(void) | |
161 | { | |
162 | register_perl_scripting(&perl_scripting_unsupported_ops); | |
163 | } | |
164 | #else | |
0f940cb7 | 165 | extern struct scripting_ops perl_scripting_ops; |
82d156cd TZ |
166 | |
167 | void setup_perl_scripting(void) | |
168 | { | |
169 | register_perl_scripting(&perl_scripting_ops); | |
170 | } | |
171 | #endif |