56 static inline int system_refcount(struct event_subsystem *system)  in system_refcount()  argument
58 	return system->ref_count;  in system_refcount()
61 static int system_refcount_inc(struct event_subsystem *system)  in system_refcount_inc()  argument
63 	return system->ref_count++;  in system_refcount_inc()
66 static int system_refcount_dec(struct event_subsystem *system)  in system_refcount_dec()  argument
68 	return --system->ref_count;  in system_refcount_dec()
886 	char			*system;  member
895 	kfree(event_mod->system);  in free_event_mod()
910 			    const char *match, const char *system, const char *event)  in remove_cache_mod()  argument
922 		if (system &&  in remove_cache_mod()
923 		    (!event_mod->system || strcmp(event_mod->system, system) != 0))  in remove_cache_mod()
938 		     const char *match, const char *system, const char *event)  in cache_mod()  argument
948 		return remove_cache_mod(tr, mod, match, system, event);  in cache_mod()
965 	if (system) {  in cache_mod()
966 		event_mod->system = kstrdup(system, GFP_KERNEL);  in cache_mod()
967 		if (!event_mod->system)  in cache_mod()
989 		     const char *match, const char *system, const char *event)  in cache_mod()  argument
1195 static void __put_system(struct event_subsystem *system)  in __put_system()  argument
1197 	struct event_filter *filter = system->filter;  in __put_system()
1199 	WARN_ON_ONCE(system_refcount(system) == 0);  in __put_system()
1200 	if (system_refcount_dec(system))  in __put_system()
1203 	list_del(&system->list);  in __put_system()
1209 	kfree_const(system->name);  in __put_system()
1210 	kfree(system);  in __put_system()
1213 static void __get_system(struct event_subsystem *system)  in __get_system()  argument
1215 	WARN_ON_ONCE(system_refcount(system) == 0);  in __get_system()
1216 	system_refcount_inc(system);  in __get_system()
1281 	remove_subsystem(file->system);  in remove_event_file_dir()
1332 		    strcmp(match, call->class->system) != 0)  in __ftrace_set_clr_event_nolock()
1335 		if (sub && strcmp(sub, call->class->system) != 0)  in __ftrace_set_clr_event_nolock()
1442 int trace_set_clr_event(const char *system, const char *event, int set)  in trace_set_clr_event()  argument
1449 	return __ftrace_set_clr_event(tr, NULL, system, event, set, NULL);  in trace_set_clr_event()
1466 int trace_array_set_clr_event(struct trace_array *tr, const char *system,  in trace_array_set_clr_event()  argument
1475 	return __ftrace_set_clr_event(tr, NULL, system, event, set, NULL);  in trace_array_set_clr_event()
1641 	if (strcmp(call->class->system, TRACE_SYSTEM) != 0)  in t_show()
1642 		seq_printf(m, "%s:", call->class->system);  in t_show()
1657 	const char *system;  in s_show()  local
1670 	system = iter->event_mod->system ? : "*";  in s_show()
1673 	seq_printf(m, "%s:%s:mod:%s\n", system, event, iter->event_mod->module);  in s_show()
1836 	struct event_subsystem *system = dir->subsystem;  in system_enable_read()  local
1851 		if (system && strcmp(call->class->system, system->name) != 0)  in system_enable_read()
1882 	struct event_subsystem *system = dir->subsystem;  in system_enable_write()  local
1902 	if (system)  in system_enable_write()
1903 		name = system->name;  in system_enable_write()
2149 	struct event_subsystem *system = NULL;  in subsystem_open()  local
2166 					system = dir->subsystem;  in subsystem_open()
2176 	if (!system)  in subsystem_open()
2240 	struct event_subsystem *system = dir->subsystem;  in subsystem_filter_read()  local
2253 	print_subsystem_event_filter(system, s);  in subsystem_filter_read()
2701 	struct event_subsystem *system;  in create_new_subsystem()  local
2704 	system = kmalloc(sizeof(*system), GFP_KERNEL);  in create_new_subsystem()
2705 	if (!system)  in create_new_subsystem()
2708 	system->ref_count = 1;  in create_new_subsystem()
2711 	system->name = kstrdup_const(name, GFP_KERNEL);  in create_new_subsystem()
2712 	if (!system->name)  in create_new_subsystem()
2715 	system->filter = kzalloc(sizeof(struct event_filter), GFP_KERNEL);  in create_new_subsystem()
2716 	if (!system->filter)  in create_new_subsystem()
2719 	list_add(&system->list, &event_subsystems);  in create_new_subsystem()
2721 	return system;  in create_new_subsystem()
2724 	kfree_const(system->name);  in create_new_subsystem()
2725 	kfree(system);  in create_new_subsystem()
2749 	struct event_subsystem *system, *iter;  in event_subsystem_dir()  local
2766 		system = dir->subsystem;  in event_subsystem_dir()
2767 		if (strcmp(system->name, name) == 0) {  in event_subsystem_dir()
2769 			file->system = dir;  in event_subsystem_dir()
2775 	system = NULL;  in event_subsystem_dir()
2778 			system = iter;  in event_subsystem_dir()
2787 	if (!system) {  in event_subsystem_dir()
2788 		system = create_new_subsystem(name);  in event_subsystem_dir()
2789 		if (!system)  in event_subsystem_dir()
2792 		__get_system(system);  in event_subsystem_dir()
2803 		__put_system(system);  in event_subsystem_dir()
2811 	dir->subsystem = system;  in event_subsystem_dir()
2812 	file->system = dir;  in event_subsystem_dir()
2822 	if (!dir || !system)  in event_subsystem_dir()
3007 	if (WARN_ON_ONCE(strcmp(call->class->system, TRACE_SYSTEM) == 0))  in event_create_dir()
3010 	e_events = event_subsystem_dir(tr, call->class->system, file, parent);  in event_create_dir()
3300 		if (!last_system || call->class->system != last_system) {  in trace_event_eval_update()
3303 			last_system = call->class->system;  in trace_event_eval_update()
3317 			if (call->class->system == map[i]->system) {  in trace_event_eval_update()
3335 	const char *system;  in event_in_systems()  local
3341 	system = call->class->system;  in event_in_systems()
3342 	p = strstr(systems, system);  in event_in_systems()
3349 	p += strlen(system);  in event_in_systems()
3620 					      event_mod->system,  in update_mod_cache()
3736 __find_event_file(struct trace_array *tr, const char *system, const char *event)  in __find_event_file()  argument
3751 		    strcmp(system, call->class->system) == 0)  in __find_event_file()
3759 find_event_file(struct trace_array *tr, const char *system, const char *event)  in find_event_file()  argument
3763 	file = __find_event_file(tr, system, event);  in find_event_file()
3792 					      const char *system,  in trace_get_event_file()  argument
3811 	file = find_event_file(tr, system, event);  in trace_get_event_file()
3932 		   edata->file->event_call->class->system,  in event_enable_print()
4042 	const char *system;  in event_enable_func()  local
4055 	system = strsep(&param, ":");  in event_enable_func()
4063 	file = find_event_file(tr, system, event);  in event_enable_func()
4598 	struct event_subsystem *system;  in event_trace_self_tests()  local
4623 		if (call->class->system &&  in event_trace_self_tests()
4624 		    strcmp(call->class->system, "syscalls") == 0)  in event_trace_self_tests()
4653 		system = dir->subsystem;  in event_trace_self_tests()
4656 		if (strcmp(system->name, "ftrace") == 0)  in event_trace_self_tests()
4659 		pr_info("Testing event system %s: ", system->name);  in event_trace_self_tests()
4661 		ret = __ftrace_set_clr_event(tr, NULL, system->name, NULL, 1, NULL);  in event_trace_self_tests()
4664 				system->name);  in event_trace_self_tests()
4670 		ret = __ftrace_set_clr_event(tr, NULL, system->name, NULL, 0, NULL);  in event_trace_self_tests()
4673 				system->name);  in event_trace_self_tests()