kernel/trace/ftrace.c

2787 ftrace_nop_initialize(struct module *mod, struct dyn_ftrace *rec)
2794 	ret = ftrace_init_nop(mod, rec);
3182 static int ftrace_update_code(struct module *mod, struct ftrace_page *new_pgs)
3205 	if (mod)
3223 			if (init_nop && !ftrace_nop_initialize(mod, p))
3554 	seq_printf(m, ":mod:%s\n", ftrace_mod->module);
4277 		/* blank search means to match all funcs in the mod */
4286 match_records(struct ftrace_hash *hash, char *func, int len, char *mod)
4292 	struct ftrace_glob *mod_match = (mod) ? &mod_g : NULL;
4304 	if (mod) {
4305 		mod_g.type = filter_parse_regex(mod, strlen(mod),
4465 			     char *mod, bool enable)
4488 		if (strcmp(ftrace_mod->module, mod) != 0)
4513 		match_records(new_hash, func, strlen(func), mod);
4535 	char *mod;
4537 	mod = kstrdup(mod_name, GFP_KERNEL);
4538 	if (!mod)
4544 			process_mod_list(&tr->mod_trace, tr->ops, mod, true);
4546 			process_mod_list(&tr->mod_notrace, tr->ops, mod, false);
4550 	kfree(mod);
4572 	 * cmd == 'mod' because we only registered this func
4573 	 * for the 'mod' ftrace_func_command.
4589 	.name			= "mod",
6477 static int ftrace_process_locs(struct module *mod,
6502 	if (!IS_ENABLED(CONFIG_BUILDTIME_MCOUNT_SORT) || mod) {
6520 	if (!mod) {
6581 	if (!mod)
6583 	ftrace_update_code(mod, start_pg);
6584 	if (!mod)
6610 	struct module		*mod;
6756 void ftrace_release_mod(struct module *mod)
6771 		if (mod_map->mod == mod) {
6785 		if (within_module(rec->ip, mod)) {
6826 void ftrace_module_enable(struct module *mod)
6860 		if (!within_module(rec->ip, mod))
6901 	process_cached_mods(mod->name);
6904 void ftrace_module_init(struct module *mod)
6908 	if (ftrace_disabled || !mod->num_ftrace_callsites)
6911 	ret = ftrace_process_locs(mod, mod->ftrace_callsites,
6912 				  mod->ftrace_callsites + mod->num_ftrace_callsites);
6915 			mod->name);
6951 allocate_ftrace_mod_map(struct module *mod,
6960 	mod_map->mod = mod;
7015 				*modname = mod_map->mod->name;
7049 			strscpy(module_name, mod_map->mod->name, MODULE_NAME_LEN);
7067 allocate_ftrace_mod_map(struct module *mod,
7139 void ftrace_free_mem(struct module *mod, void *start_ptr, void *end_ptr)
7162 	if (mod && ftrace_ops_list != &ftrace_list_end)
7163 		mod_map = allocate_ftrace_mod_map(mod, start, end);