| 1 | |
| 2 | #include <lttv/hook.h> |
| 3 | #include <lttv/module.h> |
| 4 | #include <lttv/lttv.h> |
| 5 | #include <lttv/iattribute.h> |
| 6 | #include <lttv/attribute.h> |
| 7 | #include <lttv/option.h> |
| 8 | #include <lttv/traceset.h> |
| 9 | #include <ltt/trace.h> |
| 10 | #include <stdio.h> |
| 11 | |
| 12 | |
| 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(); |
| 18 | |
| 19 | void lttv_state_init(int argc, char **argv); |
| 20 | void lttv_state_destroy(); |
| 21 | |
| 22 | void lttv_stats_init(int argc, char **argv); |
| 23 | void lttv_stats_destroy(); |
| 24 | |
| 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 | |
| 29 | static LttvIAttribute *attributes; |
| 30 | |
| 31 | static LttvHooks |
| 32 | *before_options, |
| 33 | *after_options, |
| 34 | *before_main, |
| 35 | *after_main; |
| 36 | |
| 37 | static char |
| 38 | *a_module, |
| 39 | *a_module_path; |
| 40 | |
| 41 | static gboolean |
| 42 | a_verbose, |
| 43 | a_debug; |
| 44 | |
| 45 | static int a_argc; |
| 46 | |
| 47 | static char **a_argv; |
| 48 | |
| 49 | static void lttv_module_option(void *hook_data); |
| 50 | |
| 51 | static void lttv_module_path_option(void *hook_data); |
| 52 | |
| 53 | static void lttv_verbose(void *hook_data); |
| 54 | |
| 55 | static void lttv_debug(void *hook_data); |
| 56 | |
| 57 | static void lttv_help(void *hook_data); |
| 58 | |
| 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 | |
| 64 | LttvAttributeValue value; |
| 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 | |
| 72 | g_type_init(); |
| 73 | //g_type_init_with_debug_flags (G_TYPE_DEBUG_OBJECTS | G_TYPE_DEBUG_SIGNALS); |
| 74 | |
| 75 | attributes = LTTV_IATTRIBUTE(g_object_new(LTTV_ATTRIBUTE_TYPE, NULL)); |
| 76 | |
| 77 | before_options = lttv_hooks_new(); |
| 78 | after_options = lttv_hooks_new(); |
| 79 | before_main = lttv_hooks_new(); |
| 80 | after_main = lttv_hooks_new(); |
| 81 | |
| 82 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/options/before", |
| 83 | LTTV_POINTER, &value)); |
| 84 | *(value.v_pointer) = before_options; |
| 85 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/options/after", |
| 86 | LTTV_POINTER, &value)); |
| 87 | *(value.v_pointer) = after_options; |
| 88 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/main/before", |
| 89 | LTTV_POINTER, &value)); |
| 90 | *(value.v_pointer) = before_main; |
| 91 | g_assert(lttv_iattribute_find_by_path(attributes, "hooks/main/after", |
| 92 | LTTV_POINTER, &value)); |
| 93 | *(value.v_pointer) = after_main; |
| 94 | |
| 95 | |
| 96 | /* Initialize the command line options processing */ |
| 97 | |
| 98 | a_argc = argc; |
| 99 | a_argv = argv; |
| 100 | lttv_option_init(argc,argv); |
| 101 | lttv_module_init(argc,argv); |
| 102 | lttv_state_init(argc,argv); |
| 103 | lttv_stats_init(argc,argv); |
| 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", |
| 112 | LTTV_OPT_STRING, &a_module, lttv_module_option, NULL); |
| 113 | |
| 114 | lttv_option_add("modules-path", 'L', |
| 115 | "add a directory to the module search path", |
| 116 | "directory to add to the path", LTTV_OPT_STRING, &a_module_path, |
| 117 | lttv_module_path_option, NULL); |
| 118 | |
| 119 | lttv_option_add("help",'h', "basic help", "none", |
| 120 | LTTV_OPT_NONE, NULL, lttv_help, NULL); |
| 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); |
| 129 | |
| 130 | |
| 131 | lttv_hooks_call(before_options, NULL); |
| 132 | lttv_option_parse(argc, argv); |
| 133 | lttv_hooks_call(after_options, NULL); |
| 134 | |
| 135 | lttv_hooks_call(before_main, NULL); |
| 136 | lttv_hooks_call(after_main, NULL); |
| 137 | |
| 138 | lttv_stats_destroy(); |
| 139 | lttv_state_destroy(); |
| 140 | lttv_module_destroy(); |
| 141 | lttv_option_destroy(); |
| 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); |
| 148 | |
| 149 | #ifdef MEMDEBUG |
| 150 | g_message("Memory summary after main"); |
| 151 | g_mem_profile(); |
| 152 | #endif |
| 153 | } |
| 154 | |
| 155 | |
| 156 | LttvAttribute *lttv_global_attributes() |
| 157 | { |
| 158 | return (LttvAttribute*)attributes; |
| 159 | } |
| 160 | |
| 161 | |
| 162 | void lttv_module_option(void *hook_data) |
| 163 | { |
| 164 | lttv_module_load(a_module,a_argc,a_argv); |
| 165 | } |
| 166 | |
| 167 | |
| 168 | void lttv_module_path_option(void *hook_data) |
| 169 | { |
| 170 | lttv_module_path_add(a_module_path); |
| 171 | } |
| 172 | |
| 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 | |
| 185 | void lttv_help(void *hook_data) |
| 186 | { |
| 187 | printf("Linux Trace Toolkit Visualizer\n"); |
| 188 | printf("\n"); |
| 189 | lttv_option_show_help(); |
| 190 | printf("\n"); |
| 191 | } |
| 192 | |
| 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 */ |