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1 | |
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2 | #include <lttv/hook.h> |
3 | #include <lttv/module.h> |
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4 | #include <lttv/lttv.h> |
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5 | #include <lttv/iattribute.h> |
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6 | #include <lttv/attribute.h> |
7 | #include <lttv/option.h> |
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8 | #include <lttv/traceset.h> |
9 | #include <ltt/trace.h> |
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10 | #include <stdio.h> |
11 | |
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12 | |
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13 | void lttv_option_init(int argc, char **argv); |
14 | void lttv_option_destroy(); |
15 | |
16 | void lttv_module_init(int argc, char **argv); |
17 | void lttv_module_destroy(); |
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18 | |
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19 | void lttv_state_init(int argc, char **argv); |
20 | void lttv_state_destroy(); |
21 | |
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22 | void lttv_stats_init(int argc, char **argv); |
23 | void lttv_stats_destroy(); |
24 | |
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25 | /* The main program maintains a few central data structures and relies |
26 | on modules for the rest. These data structures may be accessed by modules |
27 | through an exported API */ |
28 | |
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29 | static LttvIAttribute *attributes; |
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30 | |
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31 | static LttvHooks |
32 | *before_options, |
33 | *after_options, |
34 | *before_main, |
35 | *after_main; |
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36 | |
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37 | static char |
38 | *a_module, |
39 | *a_module_path; |
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40 | |
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41 | static gboolean |
42 | a_verbose, |
43 | a_debug; |
44 | |
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45 | static int a_argc; |
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46 | |
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47 | static char **a_argv; |
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48 | |
49 | static void lttv_module_option(void *hook_data); |
50 | |
51 | static void lttv_module_path_option(void *hook_data); |
52 | |
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53 | static void lttv_verbose(void *hook_data); |
54 | |
55 | static void lttv_debug(void *hook_data); |
56 | |
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57 | static void lttv_help(void *hook_data); |
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58 | |
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59 | /* Since everything is done in modules, the main program only takes care |
60 | of the infrastructure. */ |
61 | |
62 | int main(int argc, char **argv) { |
63 | |
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64 | LttvAttributeValue value; |
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65 | |
66 | #ifdef MEMDEBUG |
67 | g_mem_set_vtable(glib_mem_profiler_table); |
68 | g_message("Memory summary before main"); |
69 | g_mem_profile(); |
70 | #endif |
71 | |
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72 | g_type_init(); |
73 | //g_type_init_with_debug_flags (G_TYPE_DEBUG_OBJECTS | G_TYPE_DEBUG_SIGNALS); |
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74 | |
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75 | attributes = LTTV_IATTRIBUTE(g_object_new(LTTV_ATTRIBUTE_TYPE, NULL)); |
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76 | |
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77 | before_options = lttv_hooks_new(); |
78 | after_options = lttv_hooks_new(); |
79 | before_main = lttv_hooks_new(); |
80 | after_main = lttv_hooks_new(); |
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81 | |
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82 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/options/before", |
83 | LTTV_POINTER, &value)); |
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84 | *(value.v_pointer) = before_options; |
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85 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/options/after", |
86 | LTTV_POINTER, &value)); |
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87 | *(value.v_pointer) = after_options; |
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88 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/main/before", |
89 | LTTV_POINTER, &value)); |
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90 | *(value.v_pointer) = before_main; |
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91 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/main/after", |
92 | LTTV_POINTER, &value)); |
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93 | *(value.v_pointer) = after_main; |
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94 | |
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95 | |
96 | /* Initialize the command line options processing */ |
97 | |
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98 | a_argc = argc; |
99 | a_argv = argv; |
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100 | lttv_option_init(argc,argv); |
101 | lttv_module_init(argc,argv); |
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102 | lttv_state_init(argc,argv); |
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103 | lttv_stats_init(argc,argv); |
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104 | |
105 | /* Initialize the module loading */ |
106 | |
107 | lttv_module_path_add("/usr/lib/lttv/plugins"); |
108 | |
109 | /* Add some built-in options */ |
110 | |
111 | lttv_option_add("module",'m', "load a module", "name of module to load", |
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112 | LTTV_OPT_STRING, &a_module, lttv_module_option, NULL); |
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113 | |
114 | lttv_option_add("modules-path", 'L', |
115 | "add a directory to the module search path", |
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116 | "directory to add to the path", LTTV_OPT_STRING, &a_module_path, |
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117 | lttv_module_path_option, NULL); |
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118 | |
119 | lttv_option_add("help",'h', "basic help", "none", |
120 | LTTV_OPT_NONE, NULL, lttv_help, NULL); |
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121 | |
122 | a_verbose = FALSE; |
123 | lttv_option_add("verbose",'v', "print information messages", "none", |
124 | LTTV_OPT_NONE, NULL, lttv_verbose, NULL); |
125 | |
126 | a_debug = FALSE; |
127 | lttv_option_add("debug",'d', "print debugging messages", "none", |
128 | LTTV_OPT_NONE, NULL, lttv_debug, NULL); |
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129 | |
130 | |
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131 | lttv_hooks_call(before_options, NULL); |
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132 | lttv_option_parse(argc, argv); |
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133 | lttv_hooks_call(after_options, NULL); |
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134 | |
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135 | lttv_hooks_call(before_main, NULL); |
136 | lttv_hooks_call(after_main, NULL); |
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137 | |
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138 | lttv_stats_destroy(); |
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139 | lttv_state_destroy(); |
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140 | lttv_module_destroy(); |
141 | lttv_option_destroy(); |
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142 | |
143 | lttv_hooks_destroy(before_options); |
144 | lttv_hooks_destroy(after_options); |
145 | lttv_hooks_destroy(before_main); |
146 | lttv_hooks_destroy(after_main); |
147 | g_object_unref(attributes); |
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148 | |
149 | #ifdef MEMDEBUG |
150 | g_message("Memory summary after main"); |
151 | g_mem_profile(); |
152 | #endif |
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153 | } |
154 | |
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155 | |
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156 | LttvAttribute *lttv_global_attributes() |
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157 | { |
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158 | return (LttvAttribute*)attributes; |
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159 | } |
160 | |
161 | |
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162 | void lttv_module_option(void *hook_data) |
163 | { |
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164 | lttv_module_load(a_module,a_argc,a_argv); |
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165 | } |
166 | |
167 | |
168 | void lttv_module_path_option(void *hook_data) |
169 | { |
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170 | lttv_module_path_add(a_module_path); |
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171 | } |
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172 | |
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173 | void lttv_verbose(void *hook_data) |
174 | { |
175 | g_log_set_handler(NULL, G_LOG_LEVEL_INFO, g_log_default_handler, NULL); |
176 | g_info("Logging set to include INFO level messages"); |
177 | } |
178 | |
179 | void lttv_debug(void *hook_data) |
180 | { |
181 | g_log_set_handler(NULL, G_LOG_LEVEL_DEBUG, g_log_default_handler, NULL); |
182 | g_info("Logging set to include DEBUG level messages"); |
183 | } |
184 | |
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185 | void lttv_help(void *hook_data) |
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186 | { |
187 | printf("Linux Trace Toolkit Visualizer\n"); |
188 | printf("\n"); |
189 | lttv_option_show_help(); |
190 | printf("\n"); |
191 | } |
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192 | |
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193 | /* |
194 | |
195 | - Make it easier to change modules from builtin to externally loaded. |
196 | |
197 | have: MODULE_INFO(name, init, destroy, { require} ) in each module. |
198 | Maintain the list of builtin modules and search these first (or |
199 | optionally last). Add the lib prefix if needed to avoid having to |
200 | specify libbatchAnalysis instead of batchAnalysis. |
201 | |
202 | - Define formally traceset/trace in the GUI for the user and decide how |
203 | trace/traceset sharing goes in the application. |
204 | |
205 | - Use appropriately the new functions in time.h |
206 | |
207 | - remove the separate tracefiles (control/per cpu) arrays/loops in context. |
208 | |
209 | - split processTrace into context.c and processTrace.c |
210 | |
211 | - check spelling conventions. |
212 | |
213 | - get all the copyright notices. |
214 | |
215 | - remove all the warnings. |
216 | |
217 | - get all the .h files properly doxygen commented to produce useful documents. |
218 | |
219 | - have an intro/architecture document. |
220 | |
221 | - write a tutorial */ |