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 | |
eccb5352 |
19 | |
3d218f2a |
20 | #include <lttv/hook.h> |
21 | #include <lttv/module.h> |
fcdf0ec2 |
22 | #include <lttv/lttv.h> |
ffd54a90 |
23 | #include <lttv/iattribute.h> |
fcdf0ec2 |
24 | #include <lttv/attribute.h> |
25 | #include <lttv/option.h> |
dc877563 |
26 | #include <lttv/traceset.h> |
27 | #include <ltt/trace.h> |
d888c9c8 |
28 | #include <stdio.h> |
29 | |
eccb5352 |
30 | |
31 | /* The main program maintains a few central data structures and relies |
32 | on modules for the rest. These data structures may be accessed by modules |
33 | through an exported API */ |
34 | |
ffd54a90 |
35 | static LttvIAttribute *attributes; |
eccb5352 |
36 | |
dc877563 |
37 | static LttvHooks |
38 | *before_options, |
39 | *after_options, |
40 | *before_main, |
41 | *after_main; |
eccb5352 |
42 | |
dc877563 |
43 | static char |
44 | *a_module, |
45 | *a_module_path; |
eccb5352 |
46 | |
b445142a |
47 | static gboolean |
48 | a_verbose, |
49 | a_debug; |
50 | |
dbb7bb09 |
51 | gboolean lttv_profile_memory; |
52 | |
08b1c66e |
53 | int lttv_argc; |
eccb5352 |
54 | |
08b1c66e |
55 | char **lttv_argv; |
eccb5352 |
56 | |
57 | static void lttv_module_option(void *hook_data); |
58 | |
59 | static void lttv_module_path_option(void *hook_data); |
60 | |
b445142a |
61 | static void lttv_verbose(void *hook_data); |
62 | |
63 | static void lttv_debug(void *hook_data); |
64 | |
308711e5 |
65 | static void lttv_help(void *hook_data); |
dc877563 |
66 | |
2a2fa4f0 |
67 | /* This is the handler to specify when we dont need all the debugging |
68 | messages. It receives the message and does nothing. */ |
69 | |
70 | void ignore_and_drop_message(const gchar *log_domain, GLogLevelFlags log_level, |
71 | const gchar *message, gpointer user_data) { |
72 | } |
73 | |
74 | |
eccb5352 |
75 | /* Since everything is done in modules, the main program only takes care |
76 | of the infrastructure. */ |
77 | |
78 | int main(int argc, char **argv) { |
79 | |
dbb7bb09 |
80 | int i; |
81 | |
82 | char |
83 | *profile_memory_short_option = "-M", |
84 | *profile_memory_long_option = "--memory"; |
85 | |
86 | gboolean profile_memory = FALSE; |
87 | |
ffd54a90 |
88 | LttvAttributeValue value; |
eccb5352 |
89 | |
08b1c66e |
90 | lttv_argc = argc; |
91 | lttv_argv = argv; |
eccb5352 |
92 | |
dbb7bb09 |
93 | /* Before anything else, check if memory profiling is requested */ |
94 | |
95 | for(i = 1 ; i < argc ; i++) { |
96 | if(*(argv[i]) != '-') break; |
97 | if(strcmp(argv[i], profile_memory_short_option) == 0 || |
98 | strcmp(argv[i], profile_memory_long_option) == 0) { |
dbb7bb09 |
99 | g_mem_set_vtable(glib_mem_profiler_table); |
100 | g_message("Memory summary before main"); |
101 | g_mem_profile(); |
102 | profile_memory = TRUE; |
103 | break; |
104 | } |
105 | } |
106 | |
107 | |
108 | /* Initialize glib and by default ignore info and debug messages */ |
2a2fa4f0 |
109 | |
41f18f3e |
110 | g_type_init(); |
111 | //g_type_init_with_debug_flags (G_TYPE_DEBUG_OBJECTS | G_TYPE_DEBUG_SIGNALS); |
dbb7bb09 |
112 | g_log_set_handler(NULL, G_LOG_LEVEL_INFO, ignore_and_drop_message, NULL); |
113 | g_log_set_handler(NULL, G_LOG_LEVEL_DEBUG, ignore_and_drop_message, NULL); |
114 | |
115 | |
116 | /* Have an attributes subtree to store hooks to be registered by modules. */ |
d83f6739 |
117 | |
ffd54a90 |
118 | attributes = LTTV_IATTRIBUTE(g_object_new(LTTV_ATTRIBUTE_TYPE, NULL)); |
eccb5352 |
119 | |
dc877563 |
120 | before_options = lttv_hooks_new(); |
121 | after_options = lttv_hooks_new(); |
122 | before_main = lttv_hooks_new(); |
123 | after_main = lttv_hooks_new(); |
eccb5352 |
124 | |
dbb7bb09 |
125 | |
126 | /* Create a number of hooks lists */ |
127 | |
dc877563 |
128 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/options/before", |
129 | LTTV_POINTER, &value)); |
ffd54a90 |
130 | *(value.v_pointer) = before_options; |
dc877563 |
131 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/options/after", |
132 | LTTV_POINTER, &value)); |
ffd54a90 |
133 | *(value.v_pointer) = after_options; |
dc877563 |
134 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/main/before", |
135 | LTTV_POINTER, &value)); |
ffd54a90 |
136 | *(value.v_pointer) = before_main; |
dc877563 |
137 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/main/after", |
138 | LTTV_POINTER, &value)); |
ffd54a90 |
139 | *(value.v_pointer) = after_main; |
eccb5352 |
140 | |
eccb5352 |
141 | |
142 | /* Initialize the command line options processing */ |
143 | |
08b1c66e |
144 | GError *error = NULL; |
eccb5352 |
145 | |
08b1c66e |
146 | LttvModule *module_module = lttv_module_require("module", &error); |
147 | if(error != NULL) g_error(error->message); |
148 | LttvModule *module_option = lttv_module_require("option", &error); |
149 | if(error != NULL) g_error(error->message); |
dbb7bb09 |
150 | |
eccb5352 |
151 | /* Initialize the module loading */ |
152 | |
08b1c66e |
153 | lttv_library_path_add(PACKAGE_PLUGIN_DIR); |
eccb5352 |
154 | |
dbb7bb09 |
155 | |
eccb5352 |
156 | /* Add some built-in options */ |
157 | |
158 | lttv_option_add("module",'m', "load a module", "name of module to load", |
ffd54a90 |
159 | LTTV_OPT_STRING, &a_module, lttv_module_option, NULL); |
eccb5352 |
160 | |
161 | lttv_option_add("modules-path", 'L', |
162 | "add a directory to the module search path", |
ffd54a90 |
163 | "directory to add to the path", LTTV_OPT_STRING, &a_module_path, |
eccb5352 |
164 | lttv_module_path_option, NULL); |
d888c9c8 |
165 | |
166 | lttv_option_add("help",'h', "basic help", "none", |
167 | LTTV_OPT_NONE, NULL, lttv_help, NULL); |
b445142a |
168 | |
169 | a_verbose = FALSE; |
170 | lttv_option_add("verbose",'v', "print information messages", "none", |
171 | LTTV_OPT_NONE, NULL, lttv_verbose, NULL); |
172 | |
173 | a_debug = FALSE; |
174 | lttv_option_add("debug",'d', "print debugging messages", "none", |
175 | LTTV_OPT_NONE, NULL, lttv_debug, NULL); |
d888c9c8 |
176 | |
dbb7bb09 |
177 | lttv_profile_memory = FALSE; |
178 | lttv_option_add(profile_memory_long_option + 2, |
179 | profile_memory_short_option[1], "print memory information", "none", |
180 | LTTV_OPT_NONE, <tv_profile_memory, NULL, NULL); |
181 | |
182 | |
183 | /* Process the options */ |
d888c9c8 |
184 | |
dc877563 |
185 | lttv_hooks_call(before_options, NULL); |
c432246e |
186 | lttv_option_parse(argc, argv); |
dc877563 |
187 | lttv_hooks_call(after_options, NULL); |
c432246e |
188 | |
dbb7bb09 |
189 | |
190 | /* Memory profiling to be useful must be activated as early as possible */ |
191 | |
192 | if(profile_memory != lttv_profile_memory) |
193 | g_error("Memory profiling options must appear before other options"); |
194 | |
195 | |
196 | /* Do the main work */ |
197 | |
dc877563 |
198 | lttv_hooks_call(before_main, NULL); |
199 | lttv_hooks_call(after_main, NULL); |
eccb5352 |
200 | |
dbb7bb09 |
201 | |
202 | /* Clean up everything */ |
203 | |
08b1c66e |
204 | lttv_module_release(module_option); |
205 | lttv_module_release(module_module); |
dc877563 |
206 | |
207 | lttv_hooks_destroy(before_options); |
208 | lttv_hooks_destroy(after_options); |
209 | lttv_hooks_destroy(before_main); |
210 | lttv_hooks_destroy(after_main); |
211 | g_object_unref(attributes); |
eccb5352 |
212 | |
dbb7bb09 |
213 | if(profile_memory) { |
eccb5352 |
214 | g_message("Memory summary after main"); |
215 | g_mem_profile(); |
dbb7bb09 |
216 | } |
08b1c66e |
217 | return 0; |
eccb5352 |
218 | } |
219 | |
dc877563 |
220 | |
ffd54a90 |
221 | LttvAttribute *lttv_global_attributes() |
1cab0928 |
222 | { |
cbe7c836 |
223 | return (LttvAttribute*)attributes; |
1cab0928 |
224 | } |
225 | |
226 | |
eccb5352 |
227 | void lttv_module_option(void *hook_data) |
228 | { |
08b1c66e |
229 | GError *error = NULL; |
230 | |
231 | lttv_module_require(a_module, &error); |
232 | if(error != NULL) g_error(error->message); |
eccb5352 |
233 | } |
234 | |
235 | |
236 | void lttv_module_path_option(void *hook_data) |
237 | { |
08b1c66e |
238 | lttv_library_path_add(a_module_path); |
eccb5352 |
239 | } |
d888c9c8 |
240 | |
2a2fa4f0 |
241 | |
b445142a |
242 | void lttv_verbose(void *hook_data) |
243 | { |
244 | g_log_set_handler(NULL, G_LOG_LEVEL_INFO, g_log_default_handler, NULL); |
245 | g_info("Logging set to include INFO level messages"); |
246 | } |
247 | |
248 | void lttv_debug(void *hook_data) |
249 | { |
250 | g_log_set_handler(NULL, G_LOG_LEVEL_DEBUG, g_log_default_handler, NULL); |
251 | g_info("Logging set to include DEBUG level messages"); |
252 | } |
253 | |
308711e5 |
254 | void lttv_help(void *hook_data) |
d888c9c8 |
255 | { |
256 | printf("Linux Trace Toolkit Visualizer\n"); |
257 | printf("\n"); |
258 | lttv_option_show_help(); |
259 | printf("\n"); |
260 | } |
b445142a |
261 | |
308711e5 |
262 | /* |
263 | |
308711e5 |
264 | - Define formally traceset/trace in the GUI for the user and decide how |
265 | trace/traceset sharing goes in the application. |
266 | |
267 | - Use appropriately the new functions in time.h |
268 | |
269 | - remove the separate tracefiles (control/per cpu) arrays/loops in context. |
270 | |
271 | - split processTrace into context.c and processTrace.c |
272 | |
273 | - check spelling conventions. |
274 | |
275 | - get all the copyright notices. |
276 | |
277 | - remove all the warnings. |
278 | |
279 | - get all the .h files properly doxygen commented to produce useful documents. |
280 | |
281 | - have an intro/architecture document. |
282 | |
283 | - write a tutorial */ |