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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 | ||
be6d842a | 38 | static void process_event_unsupported(union perf_event *event __unused, |
da378962 | 39 | struct pevent *pevent __unused, |
be6d842a | 40 | struct perf_sample *sample __unused, |
9e69c210 | 41 | struct perf_evsel *evsel __unused, |
743eb868 | 42 | struct machine *machine __unused, |
be6d842a | 43 | struct thread *thread __unused) |
82d156cd TZ |
44 | { |
45 | } | |
46 | ||
7e4b21b8 TZ |
47 | static void print_python_unsupported_msg(void) |
48 | { | |
49 | fprintf(stderr, "Python scripting not supported." | |
50 | " Install libpython and rebuild perf to enable it.\n" | |
51 | "For example:\n # apt-get install python-dev (ubuntu)" | |
52 | "\n # yum install python-devel (Fedora)" | |
53 | "\n etc.\n"); | |
54 | } | |
55 | ||
56 | static int python_start_script_unsupported(const char *script __unused, | |
57 | int argc __unused, | |
58 | const char **argv __unused) | |
59 | { | |
60 | print_python_unsupported_msg(); | |
61 | ||
62 | return -1; | |
63 | } | |
64 | ||
da378962 ACM |
65 | static int python_generate_script_unsupported(struct pevent *pevent __unused, |
66 | const char *outfile __unused) | |
7e4b21b8 TZ |
67 | { |
68 | print_python_unsupported_msg(); | |
69 | ||
70 | return -1; | |
71 | } | |
72 | ||
73 | struct scripting_ops python_scripting_unsupported_ops = { | |
74 | .name = "Python", | |
75 | .start_script = python_start_script_unsupported, | |
76 | .stop_script = stop_script_unsupported, | |
77 | .process_event = process_event_unsupported, | |
78 | .generate_script = python_generate_script_unsupported, | |
79 | }; | |
80 | ||
81 | static void register_python_scripting(struct scripting_ops *scripting_ops) | |
82 | { | |
83 | int err; | |
84 | err = script_spec_register("Python", scripting_ops); | |
85 | if (err) | |
86 | die("error registering Python script extension"); | |
87 | ||
88 | err = script_spec_register("py", scripting_ops); | |
89 | if (err) | |
90 | die("error registering py script extension"); | |
91 | ||
92 | scripting_context = malloc(sizeof(struct scripting_context)); | |
93 | } | |
94 | ||
95 | #ifdef NO_LIBPYTHON | |
96 | void setup_python_scripting(void) | |
97 | { | |
98 | register_python_scripting(&python_scripting_unsupported_ops); | |
99 | } | |
100 | #else | |
0f940cb7 | 101 | extern struct scripting_ops python_scripting_ops; |
7e4b21b8 TZ |
102 | |
103 | void setup_python_scripting(void) | |
104 | { | |
105 | register_python_scripting(&python_scripting_ops); | |
106 | } | |
107 | #endif | |
108 | ||
82d156cd TZ |
109 | static void print_perl_unsupported_msg(void) |
110 | { | |
111 | fprintf(stderr, "Perl scripting not supported." | |
112 | " Install libperl and rebuild perf to enable it.\n" | |
113 | "For example:\n # apt-get install libperl-dev (ubuntu)" | |
114 | "\n # yum install 'perl(ExtUtils::Embed)' (Fedora)" | |
115 | "\n etc.\n"); | |
116 | } | |
117 | ||
118 | static int perl_start_script_unsupported(const char *script __unused, | |
119 | int argc __unused, | |
120 | const char **argv __unused) | |
121 | { | |
122 | print_perl_unsupported_msg(); | |
123 | ||
124 | return -1; | |
125 | } | |
126 | ||
da378962 ACM |
127 | static int perl_generate_script_unsupported(struct pevent *pevent __unused, |
128 | const char *outfile __unused) | |
82d156cd TZ |
129 | { |
130 | print_perl_unsupported_msg(); | |
131 | ||
132 | return -1; | |
133 | } | |
134 | ||
135 | struct scripting_ops perl_scripting_unsupported_ops = { | |
136 | .name = "Perl", | |
137 | .start_script = perl_start_script_unsupported, | |
138 | .stop_script = stop_script_unsupported, | |
139 | .process_event = process_event_unsupported, | |
140 | .generate_script = perl_generate_script_unsupported, | |
141 | }; | |
142 | ||
143 | static void register_perl_scripting(struct scripting_ops *scripting_ops) | |
144 | { | |
145 | int err; | |
146 | err = script_spec_register("Perl", scripting_ops); | |
147 | if (err) | |
148 | die("error registering Perl script extension"); | |
149 | ||
150 | err = script_spec_register("pl", scripting_ops); | |
151 | if (err) | |
152 | die("error registering pl script extension"); | |
153 | ||
154 | scripting_context = malloc(sizeof(struct scripting_context)); | |
155 | } | |
156 | ||
157 | #ifdef NO_LIBPERL | |
158 | void setup_perl_scripting(void) | |
159 | { | |
160 | register_perl_scripting(&perl_scripting_unsupported_ops); | |
161 | } | |
162 | #else | |
0f940cb7 | 163 | extern struct scripting_ops perl_scripting_ops; |
82d156cd TZ |
164 | |
165 | void setup_perl_scripting(void) | |
166 | { | |
167 | register_perl_scripting(&perl_scripting_ops); | |
168 | } | |
169 | #endif |