9c312311 |
1 | /* This file is part of the Linux Trace Toolkit viewer |
2 | * Copyright (C) 2003-2004 Michel Dagenais |
3 | * |
4 | * This program is free software; you can redistribute it and/or modify |
5 | * it under the terms of the GNU General Public License Version 2 as |
6 | * published by the Free Software Foundation; |
7 | * |
8 | * This program is distributed in the hope that it will be useful, |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
11 | * GNU General Public License for more details. |
12 | * |
13 | * You should have received a copy of the GNU General Public License |
14 | * along with this program; if not, write to the Free Software |
15 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
16 | * MA 02111-1307, USA. |
17 | */ |
18 | |
4e4d11b3 |
19 | #ifdef HAVE_CONFIG_H |
20 | #include <config.h> |
21 | #endif |
eccb5352 |
22 | |
3d218f2a |
23 | #include <lttv/hook.h> |
24 | #include <lttv/module.h> |
fcdf0ec2 |
25 | #include <lttv/lttv.h> |
ffd54a90 |
26 | #include <lttv/iattribute.h> |
fcdf0ec2 |
27 | #include <lttv/attribute.h> |
28 | #include <lttv/option.h> |
dc877563 |
29 | #include <lttv/traceset.h> |
30 | #include <ltt/trace.h> |
d888c9c8 |
31 | #include <stdio.h> |
00e74b69 |
32 | #include <string.h> |
d888c9c8 |
33 | |
eccb5352 |
34 | |
35 | /* The main program maintains a few central data structures and relies |
36 | on modules for the rest. These data structures may be accessed by modules |
37 | through an exported API */ |
38 | |
ffd54a90 |
39 | static LttvIAttribute *attributes; |
eccb5352 |
40 | |
dc877563 |
41 | static LttvHooks |
42 | *before_options, |
43 | *after_options, |
44 | *before_main, |
45 | *after_main; |
eccb5352 |
46 | |
dc877563 |
47 | static char |
48 | *a_module, |
49 | *a_module_path; |
eccb5352 |
50 | |
b445142a |
51 | static gboolean |
52 | a_verbose, |
3754677c |
53 | a_debug, |
54 | a_fatal; |
b445142a |
55 | |
dbb7bb09 |
56 | gboolean lttv_profile_memory; |
57 | |
08b1c66e |
58 | int lttv_argc; |
eccb5352 |
59 | |
08b1c66e |
60 | char **lttv_argv; |
eccb5352 |
61 | |
62 | static void lttv_module_option(void *hook_data); |
63 | |
64 | static void lttv_module_path_option(void *hook_data); |
65 | |
b445142a |
66 | static void lttv_verbose(void *hook_data); |
67 | |
68 | static void lttv_debug(void *hook_data); |
69 | |
3754677c |
70 | static void lttv_fatal(void *hook_data); |
71 | |
308711e5 |
72 | static void lttv_help(void *hook_data); |
dc877563 |
73 | |
2a2fa4f0 |
74 | /* This is the handler to specify when we dont need all the debugging |
75 | messages. It receives the message and does nothing. */ |
76 | |
77 | void ignore_and_drop_message(const gchar *log_domain, GLogLevelFlags log_level, |
78 | const gchar *message, gpointer user_data) { |
79 | } |
80 | |
81 | |
eccb5352 |
82 | /* Since everything is done in modules, the main program only takes care |
83 | of the infrastructure. */ |
84 | |
85 | int main(int argc, char **argv) { |
86 | |
dbb7bb09 |
87 | int i; |
88 | |
89 | char |
90 | *profile_memory_short_option = "-M", |
91 | *profile_memory_long_option = "--memory"; |
92 | |
93 | gboolean profile_memory = FALSE; |
94 | |
ffd54a90 |
95 | LttvAttributeValue value; |
eccb5352 |
96 | |
08b1c66e |
97 | lttv_argc = argc; |
98 | lttv_argv = argv; |
eccb5352 |
99 | |
dbb7bb09 |
100 | /* Before anything else, check if memory profiling is requested */ |
101 | |
102 | for(i = 1 ; i < argc ; i++) { |
103 | if(*(argv[i]) != '-') break; |
104 | if(strcmp(argv[i], profile_memory_short_option) == 0 || |
105 | strcmp(argv[i], profile_memory_long_option) == 0) { |
dbb7bb09 |
106 | g_mem_set_vtable(glib_mem_profiler_table); |
107 | g_message("Memory summary before main"); |
108 | g_mem_profile(); |
109 | profile_memory = TRUE; |
110 | break; |
111 | } |
112 | } |
113 | |
114 | |
115 | /* Initialize glib and by default ignore info and debug messages */ |
2a2fa4f0 |
116 | |
41f18f3e |
117 | g_type_init(); |
9bbfbc95 |
118 | //g_type_init_with_debug_flags (G_TYPE_DEBUG_OBJECTS | G_TYPE_DEBUG_SIGNALS); |
119 | g_log_set_handler(NULL, G_LOG_LEVEL_INFO, ignore_and_drop_message, NULL); |
120 | g_log_set_handler(NULL, G_LOG_LEVEL_DEBUG, ignore_and_drop_message, NULL); |
dbb7bb09 |
121 | |
122 | |
123 | /* Have an attributes subtree to store hooks to be registered by modules. */ |
d83f6739 |
124 | |
ffd54a90 |
125 | attributes = LTTV_IATTRIBUTE(g_object_new(LTTV_ATTRIBUTE_TYPE, NULL)); |
eccb5352 |
126 | |
dc877563 |
127 | before_options = lttv_hooks_new(); |
128 | after_options = lttv_hooks_new(); |
129 | before_main = lttv_hooks_new(); |
130 | after_main = lttv_hooks_new(); |
eccb5352 |
131 | |
dbb7bb09 |
132 | |
133 | /* Create a number of hooks lists */ |
134 | |
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135 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/options/before", |
136 | LTTV_POINTER, &value)); |
ffd54a90 |
137 | *(value.v_pointer) = before_options; |
dc877563 |
138 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/options/after", |
139 | LTTV_POINTER, &value)); |
ffd54a90 |
140 | *(value.v_pointer) = after_options; |
dc877563 |
141 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/main/before", |
142 | LTTV_POINTER, &value)); |
ffd54a90 |
143 | *(value.v_pointer) = before_main; |
dc877563 |
144 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/main/after", |
145 | LTTV_POINTER, &value)); |
ffd54a90 |
146 | *(value.v_pointer) = after_main; |
eccb5352 |
147 | |
eccb5352 |
148 | |
149 | /* Initialize the command line options processing */ |
150 | |
08b1c66e |
151 | GError *error = NULL; |
eccb5352 |
152 | |
08b1c66e |
153 | LttvModule *module_module = lttv_module_require("module", &error); |
00e74b69 |
154 | if(error != NULL) g_error("%s", error->message); |
08b1c66e |
155 | LttvModule *module_option = lttv_module_require("option", &error); |
00e74b69 |
156 | if(error != NULL) g_error("%s", error->message); |
dbb7bb09 |
157 | |
eccb5352 |
158 | /* Initialize the module loading */ |
159 | |
08b1c66e |
160 | lttv_library_path_add(PACKAGE_PLUGIN_DIR); |
eccb5352 |
161 | |
dbb7bb09 |
162 | |
eccb5352 |
163 | /* Add some built-in options */ |
164 | |
165 | lttv_option_add("module",'m', "load a module", "name of module to load", |
ffd54a90 |
166 | LTTV_OPT_STRING, &a_module, lttv_module_option, NULL); |
eccb5352 |
167 | |
168 | lttv_option_add("modules-path", 'L', |
169 | "add a directory to the module search path", |
ffd54a90 |
170 | "directory to add to the path", LTTV_OPT_STRING, &a_module_path, |
eccb5352 |
171 | lttv_module_path_option, NULL); |
d888c9c8 |
172 | |
173 | lttv_option_add("help",'h', "basic help", "none", |
174 | LTTV_OPT_NONE, NULL, lttv_help, NULL); |
b445142a |
175 | |
176 | a_verbose = FALSE; |
177 | lttv_option_add("verbose",'v', "print information messages", "none", |
178 | LTTV_OPT_NONE, NULL, lttv_verbose, NULL); |
179 | |
180 | a_debug = FALSE; |
181 | lttv_option_add("debug",'d', "print debugging messages", "none", |
182 | LTTV_OPT_NONE, NULL, lttv_debug, NULL); |
3754677c |
183 | |
184 | a_fatal = FALSE; |
185 | lttv_option_add("fatal",'f', "make critical messages fatal", |
186 | "none", |
187 | LTTV_OPT_NONE, NULL, lttv_fatal, NULL); |
d888c9c8 |
188 | |
dbb7bb09 |
189 | lttv_profile_memory = FALSE; |
190 | lttv_option_add(profile_memory_long_option + 2, |
191 | profile_memory_short_option[1], "print memory information", "none", |
192 | LTTV_OPT_NONE, <tv_profile_memory, NULL, NULL); |
193 | |
194 | |
195 | /* Process the options */ |
d888c9c8 |
196 | |
dc877563 |
197 | lttv_hooks_call(before_options, NULL); |
c432246e |
198 | lttv_option_parse(argc, argv); |
dc877563 |
199 | lttv_hooks_call(after_options, NULL); |
c432246e |
200 | |
dbb7bb09 |
201 | |
202 | /* Memory profiling to be useful must be activated as early as possible */ |
203 | |
204 | if(profile_memory != lttv_profile_memory) |
205 | g_error("Memory profiling options must appear before other options"); |
206 | |
207 | |
208 | /* Do the main work */ |
209 | |
dc877563 |
210 | lttv_hooks_call(before_main, NULL); |
211 | lttv_hooks_call(after_main, NULL); |
eccb5352 |
212 | |
dbb7bb09 |
213 | |
214 | /* Clean up everything */ |
215 | |
08b1c66e |
216 | lttv_module_release(module_option); |
217 | lttv_module_release(module_module); |
dc877563 |
218 | |
219 | lttv_hooks_destroy(before_options); |
220 | lttv_hooks_destroy(after_options); |
221 | lttv_hooks_destroy(before_main); |
222 | lttv_hooks_destroy(after_main); |
223 | g_object_unref(attributes); |
eccb5352 |
224 | |
dbb7bb09 |
225 | if(profile_memory) { |
eccb5352 |
226 | g_message("Memory summary after main"); |
227 | g_mem_profile(); |
dbb7bb09 |
228 | } |
08b1c66e |
229 | return 0; |
eccb5352 |
230 | } |
231 | |
dc877563 |
232 | |
ffd54a90 |
233 | LttvAttribute *lttv_global_attributes() |
1cab0928 |
234 | { |
cbe7c836 |
235 | return (LttvAttribute*)attributes; |
1cab0928 |
236 | } |
237 | |
238 | |
eccb5352 |
239 | void lttv_module_option(void *hook_data) |
240 | { |
08b1c66e |
241 | GError *error = NULL; |
242 | |
243 | lttv_module_require(a_module, &error); |
00e74b69 |
244 | if(error != NULL) g_error("%s", error->message); |
eccb5352 |
245 | } |
246 | |
247 | |
248 | void lttv_module_path_option(void *hook_data) |
249 | { |
08b1c66e |
250 | lttv_library_path_add(a_module_path); |
eccb5352 |
251 | } |
d888c9c8 |
252 | |
2a2fa4f0 |
253 | |
b445142a |
254 | void lttv_verbose(void *hook_data) |
255 | { |
256 | g_log_set_handler(NULL, G_LOG_LEVEL_INFO, g_log_default_handler, NULL); |
257 | g_info("Logging set to include INFO level messages"); |
258 | } |
259 | |
260 | void lttv_debug(void *hook_data) |
261 | { |
262 | g_log_set_handler(NULL, G_LOG_LEVEL_DEBUG, g_log_default_handler, NULL); |
263 | g_info("Logging set to include DEBUG level messages"); |
264 | } |
265 | |
3754677c |
266 | void lttv_fatal(void *hook_data) |
267 | { |
cb03932a |
268 | g_log_set_always_fatal(G_LOG_LEVEL_WARNING | G_LOG_LEVEL_CRITICAL); |
269 | //g_log_set_always_fatal(G_LOG_LEVEL_CRITICAL); |
3754677c |
270 | g_info("Critical log from glib will abort execution"); |
271 | } |
272 | |
308711e5 |
273 | void lttv_help(void *hook_data) |
d888c9c8 |
274 | { |
f5f1a04e |
275 | printf("Linux Trace Toolkit Visualizer " VERSION "\n"); |
d888c9c8 |
276 | printf("\n"); |
277 | lttv_option_show_help(); |
278 | printf("\n"); |
279 | } |
b445142a |
280 | |
308711e5 |
281 | /* |
282 | |
308711e5 |
283 | - Define formally traceset/trace in the GUI for the user and decide how |
284 | trace/traceset sharing goes in the application. |
285 | |
286 | - Use appropriately the new functions in time.h |
287 | |
288 | - remove the separate tracefiles (control/per cpu) arrays/loops in context. |
289 | |
290 | - split processTrace into context.c and processTrace.c |
291 | |
292 | - check spelling conventions. |
293 | |
294 | - get all the copyright notices. |
295 | |
296 | - remove all the warnings. |
297 | |
298 | - get all the .h files properly doxygen commented to produce useful documents. |
299 | |
300 | - have an intro/architecture document. |
301 | |
302 | - write a tutorial */ |