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Source at commit ec7cab4cbb721bff91ec924ec691efd8daf36579 created 12 years 8 months ago. By Maarten ter Huurne, MIPS: JZ4740: A320: Updated quickstart documentation. | |
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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> |
25 | #include <ctype.h> |
26 | #include <errno.h> |
27 | |
28 | #include "../perf.h" |
29 | #include "util.h" |
30 | #include "trace-event.h" |
31 | |
32 | struct scripting_context *scripting_context; |
33 | |
34 | static int stop_script_unsupported(void) |
35 | { |
36 | return 0; |
37 | } |
38 | |
39 | static void process_event_unsupported(union perf_event *event __unused, |
40 | struct perf_sample *sample __unused, |
41 | struct perf_evsel *evsel __unused, |
42 | struct perf_session *session __unused, |
43 | struct thread *thread __unused) |
44 | { |
45 | } |
46 | |
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 | |
65 | static int python_generate_script_unsupported(const char *outfile __unused) |
66 | { |
67 | print_python_unsupported_msg(); |
68 | |
69 | return -1; |
70 | } |
71 | |
72 | struct scripting_ops python_scripting_unsupported_ops = { |
73 | .name = "Python", |
74 | .start_script = python_start_script_unsupported, |
75 | .stop_script = stop_script_unsupported, |
76 | .process_event = process_event_unsupported, |
77 | .generate_script = python_generate_script_unsupported, |
78 | }; |
79 | |
80 | static void register_python_scripting(struct scripting_ops *scripting_ops) |
81 | { |
82 | int err; |
83 | err = script_spec_register("Python", scripting_ops); |
84 | if (err) |
85 | die("error registering Python script extension"); |
86 | |
87 | err = script_spec_register("py", scripting_ops); |
88 | if (err) |
89 | die("error registering py script extension"); |
90 | |
91 | scripting_context = malloc(sizeof(struct scripting_context)); |
92 | } |
93 | |
94 | #ifdef NO_LIBPYTHON |
95 | void setup_python_scripting(void) |
96 | { |
97 | register_python_scripting(&python_scripting_unsupported_ops); |
98 | } |
99 | #else |
100 | extern struct scripting_ops python_scripting_ops; |
101 | |
102 | void setup_python_scripting(void) |
103 | { |
104 | register_python_scripting(&python_scripting_ops); |
105 | } |
106 | #endif |
107 | |
108 | static void print_perl_unsupported_msg(void) |
109 | { |
110 | fprintf(stderr, "Perl scripting not supported." |
111 | " Install libperl and rebuild perf to enable it.\n" |
112 | "For example:\n # apt-get install libperl-dev (ubuntu)" |
113 | "\n # yum install 'perl(ExtUtils::Embed)' (Fedora)" |
114 | "\n etc.\n"); |
115 | } |
116 | |
117 | static int perl_start_script_unsupported(const char *script __unused, |
118 | int argc __unused, |
119 | const char **argv __unused) |
120 | { |
121 | print_perl_unsupported_msg(); |
122 | |
123 | return -1; |
124 | } |
125 | |
126 | static int perl_generate_script_unsupported(const char *outfile __unused) |
127 | { |
128 | print_perl_unsupported_msg(); |
129 | |
130 | return -1; |
131 | } |
132 | |
133 | struct scripting_ops perl_scripting_unsupported_ops = { |
134 | .name = "Perl", |
135 | .start_script = perl_start_script_unsupported, |
136 | .stop_script = stop_script_unsupported, |
137 | .process_event = process_event_unsupported, |
138 | .generate_script = perl_generate_script_unsupported, |
139 | }; |
140 | |
141 | static void register_perl_scripting(struct scripting_ops *scripting_ops) |
142 | { |
143 | int err; |
144 | err = script_spec_register("Perl", scripting_ops); |
145 | if (err) |
146 | die("error registering Perl script extension"); |
147 | |
148 | err = script_spec_register("pl", scripting_ops); |
149 | if (err) |
150 | die("error registering pl script extension"); |
151 | |
152 | scripting_context = malloc(sizeof(struct scripting_context)); |
153 | } |
154 | |
155 | #ifdef NO_LIBPERL |
156 | void setup_perl_scripting(void) |
157 | { |
158 | register_perl_scripting(&perl_scripting_unsupported_ops); |
159 | } |
160 | #else |
161 | extern struct scripting_ops perl_scripting_ops; |
162 | |
163 | void setup_perl_scripting(void) |
164 | { |
165 | register_perl_scripting(&perl_scripting_ops); |
166 | } |
167 | #endif |
168 |
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