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, |
00100e0e |
78 | const gchar *message, gpointer user_data) |
79 | { |
2a2fa4f0 |
80 | } |
81 | |
82 | |
eccb5352 |
83 | /* Since everything is done in modules, the main program only takes care |
84 | of the infrastructure. */ |
85 | |
00100e0e |
86 | int main(int argc, char **argv) |
87 | { |
eccb5352 |
88 | |
dbb7bb09 |
89 | int i; |
90 | |
91 | char |
92 | *profile_memory_short_option = "-M", |
93 | *profile_memory_long_option = "--memory"; |
94 | |
95 | gboolean profile_memory = FALSE; |
96 | |
ffd54a90 |
97 | LttvAttributeValue value; |
eccb5352 |
98 | |
08b1c66e |
99 | lttv_argc = argc; |
100 | lttv_argv = argv; |
eccb5352 |
101 | |
dbb7bb09 |
102 | /* Before anything else, check if memory profiling is requested */ |
103 | |
104 | for(i = 1 ; i < argc ; i++) { |
105 | if(*(argv[i]) != '-') break; |
106 | if(strcmp(argv[i], profile_memory_short_option) == 0 || |
107 | strcmp(argv[i], profile_memory_long_option) == 0) { |
dbb7bb09 |
108 | g_mem_set_vtable(glib_mem_profiler_table); |
109 | g_message("Memory summary before main"); |
110 | g_mem_profile(); |
111 | profile_memory = TRUE; |
112 | break; |
113 | } |
114 | } |
115 | |
116 | |
117 | /* Initialize glib and by default ignore info and debug messages */ |
2a2fa4f0 |
118 | |
41f18f3e |
119 | g_type_init(); |
9bbfbc95 |
120 | //g_type_init_with_debug_flags (G_TYPE_DEBUG_OBJECTS | G_TYPE_DEBUG_SIGNALS); |
121 | g_log_set_handler(NULL, G_LOG_LEVEL_INFO, ignore_and_drop_message, NULL); |
122 | g_log_set_handler(NULL, G_LOG_LEVEL_DEBUG, ignore_and_drop_message, NULL); |
dbb7bb09 |
123 | |
124 | |
125 | /* Have an attributes subtree to store hooks to be registered by modules. */ |
d83f6739 |
126 | |
ffd54a90 |
127 | attributes = LTTV_IATTRIBUTE(g_object_new(LTTV_ATTRIBUTE_TYPE, NULL)); |
eccb5352 |
128 | |
dc877563 |
129 | before_options = lttv_hooks_new(); |
130 | after_options = lttv_hooks_new(); |
131 | before_main = lttv_hooks_new(); |
132 | after_main = lttv_hooks_new(); |
eccb5352 |
133 | |
dbb7bb09 |
134 | |
135 | /* Create a number of hooks lists */ |
136 | |
dc877563 |
137 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/options/before", |
138 | LTTV_POINTER, &value)); |
ffd54a90 |
139 | *(value.v_pointer) = before_options; |
dc877563 |
140 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/options/after", |
141 | LTTV_POINTER, &value)); |
ffd54a90 |
142 | *(value.v_pointer) = after_options; |
dc877563 |
143 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/main/before", |
144 | LTTV_POINTER, &value)); |
ffd54a90 |
145 | *(value.v_pointer) = before_main; |
dc877563 |
146 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/main/after", |
147 | LTTV_POINTER, &value)); |
ffd54a90 |
148 | *(value.v_pointer) = after_main; |
eccb5352 |
149 | |
eccb5352 |
150 | |
151 | /* Initialize the command line options processing */ |
152 | |
08b1c66e |
153 | GError *error = NULL; |
eccb5352 |
154 | |
08b1c66e |
155 | LttvModule *module_module = lttv_module_require("module", &error); |
00e74b69 |
156 | if(error != NULL) g_error("%s", error->message); |
08b1c66e |
157 | LttvModule *module_option = lttv_module_require("option", &error); |
00e74b69 |
158 | if(error != NULL) g_error("%s", error->message); |
dbb7bb09 |
159 | |
eccb5352 |
160 | /* Initialize the module loading */ |
161 | |
08b1c66e |
162 | lttv_library_path_add(PACKAGE_PLUGIN_DIR); |
eccb5352 |
163 | |
dbb7bb09 |
164 | |
eccb5352 |
165 | /* Add some built-in options */ |
166 | |
167 | lttv_option_add("module",'m', "load a module", "name of module to load", |
ffd54a90 |
168 | LTTV_OPT_STRING, &a_module, lttv_module_option, NULL); |
eccb5352 |
169 | |
170 | lttv_option_add("modules-path", 'L', |
171 | "add a directory to the module search path", |
ffd54a90 |
172 | "directory to add to the path", LTTV_OPT_STRING, &a_module_path, |
eccb5352 |
173 | lttv_module_path_option, NULL); |
d888c9c8 |
174 | |
175 | lttv_option_add("help",'h', "basic help", "none", |
176 | LTTV_OPT_NONE, NULL, lttv_help, NULL); |
b445142a |
177 | |
178 | a_verbose = FALSE; |
179 | lttv_option_add("verbose",'v', "print information messages", "none", |
180 | LTTV_OPT_NONE, NULL, lttv_verbose, NULL); |
181 | |
182 | a_debug = FALSE; |
183 | lttv_option_add("debug",'d', "print debugging messages", "none", |
184 | LTTV_OPT_NONE, NULL, lttv_debug, NULL); |
3754677c |
185 | |
186 | a_fatal = FALSE; |
187 | lttv_option_add("fatal",'f', "make critical messages fatal", |
188 | "none", |
189 | LTTV_OPT_NONE, NULL, lttv_fatal, NULL); |
d888c9c8 |
190 | |
dbb7bb09 |
191 | lttv_profile_memory = FALSE; |
192 | lttv_option_add(profile_memory_long_option + 2, |
193 | profile_memory_short_option[1], "print memory information", "none", |
194 | LTTV_OPT_NONE, <tv_profile_memory, NULL, NULL); |
195 | |
196 | |
197 | /* Process the options */ |
d888c9c8 |
198 | |
dc877563 |
199 | lttv_hooks_call(before_options, NULL); |
c432246e |
200 | lttv_option_parse(argc, argv); |
dc877563 |
201 | lttv_hooks_call(after_options, NULL); |
c432246e |
202 | |
dbb7bb09 |
203 | |
204 | /* Memory profiling to be useful must be activated as early as possible */ |
205 | |
206 | if(profile_memory != lttv_profile_memory) |
207 | g_error("Memory profiling options must appear before other options"); |
208 | |
209 | |
210 | /* Do the main work */ |
211 | |
dc877563 |
212 | lttv_hooks_call(before_main, NULL); |
213 | lttv_hooks_call(after_main, NULL); |
eccb5352 |
214 | |
dbb7bb09 |
215 | |
216 | /* Clean up everything */ |
217 | |
08b1c66e |
218 | lttv_module_release(module_option); |
219 | lttv_module_release(module_module); |
dc877563 |
220 | |
221 | lttv_hooks_destroy(before_options); |
222 | lttv_hooks_destroy(after_options); |
223 | lttv_hooks_destroy(before_main); |
224 | lttv_hooks_destroy(after_main); |
225 | g_object_unref(attributes); |
eccb5352 |
226 | |
dbb7bb09 |
227 | if(profile_memory) { |
eccb5352 |
228 | g_message("Memory summary after main"); |
229 | g_mem_profile(); |
dbb7bb09 |
230 | } |
08b1c66e |
231 | return 0; |
eccb5352 |
232 | } |
233 | |
dc877563 |
234 | |
ffd54a90 |
235 | LttvAttribute *lttv_global_attributes() |
1cab0928 |
236 | { |
cbe7c836 |
237 | return (LttvAttribute*)attributes; |
1cab0928 |
238 | } |
239 | |
240 | |
eccb5352 |
241 | void lttv_module_option(void *hook_data) |
00100e0e |
242 | { |
08b1c66e |
243 | GError *error = NULL; |
244 | |
245 | lttv_module_require(a_module, &error); |
00e74b69 |
246 | if(error != NULL) g_error("%s", error->message); |
eccb5352 |
247 | } |
248 | |
249 | |
250 | void lttv_module_path_option(void *hook_data) |
251 | { |
08b1c66e |
252 | lttv_library_path_add(a_module_path); |
eccb5352 |
253 | } |
d888c9c8 |
254 | |
2a2fa4f0 |
255 | |
b445142a |
256 | void lttv_verbose(void *hook_data) |
257 | { |
258 | g_log_set_handler(NULL, G_LOG_LEVEL_INFO, g_log_default_handler, NULL); |
259 | g_info("Logging set to include INFO level messages"); |
260 | } |
261 | |
262 | void lttv_debug(void *hook_data) |
263 | { |
264 | g_log_set_handler(NULL, G_LOG_LEVEL_DEBUG, g_log_default_handler, NULL); |
265 | g_info("Logging set to include DEBUG level messages"); |
266 | } |
267 | |
3754677c |
268 | void lttv_fatal(void *hook_data) |
269 | { |
cb03932a |
270 | g_log_set_always_fatal(G_LOG_LEVEL_WARNING | G_LOG_LEVEL_CRITICAL); |
271 | //g_log_set_always_fatal(G_LOG_LEVEL_CRITICAL); |
3754677c |
272 | g_info("Critical log from glib will abort execution"); |
273 | } |
274 | |
308711e5 |
275 | void lttv_help(void *hook_data) |
d888c9c8 |
276 | { |
00100e0e |
277 | printf("Linux Trace Toolkit Visualizer " VERSION "\n"); |
278 | printf("\n"); |
279 | lttv_option_show_help(); |
280 | printf("\n"); |
d888c9c8 |
281 | } |
b445142a |
282 | |
308711e5 |
283 | /* |
284 | |
308711e5 |
285 | - Define formally traceset/trace in the GUI for the user and decide how |
286 | trace/traceset sharing goes in the application. |
287 | |
288 | - Use appropriately the new functions in time.h |
289 | |
290 | - remove the separate tracefiles (control/per cpu) arrays/loops in context. |
291 | |
292 | - split processTrace into context.c and processTrace.c |
293 | |
294 | - check spelling conventions. |
295 | |
296 | - get all the copyright notices. |
297 | |
298 | - remove all the warnings. |
299 | |
300 | - get all the .h files properly doxygen commented to produce useful documents. |
301 | |
302 | - have an intro/architecture document. |
303 | |
304 | - write a tutorial */ |