60 	if (!event_call->class->get_fields)  in trace_get_fields()
61 		return &event_call->class->fields;  in trace_get_fields()
62 	return event_call->class->get_fields(event_call);  in trace_get_fields()
130 	if (WARN_ON(!call->class))  in trace_define_field()
193 						 call->class->probe,  in ftrace_event_reg()
197 					    call->class->probe,  in ftrace_event_reg()
204 						 call->class->perf_probe,  in ftrace_event_reg()
208 					    call->class->perf_probe,  in ftrace_event_reg()
280 			call->class->reg(call, TRACE_REG_UNREGISTER, file);  in __ftrace_event_enable_disable()
313 			ret = call->class->reg(call, TRACE_REG_REGISTER, file);  in __ftrace_event_enable_disable()
411 		if (!call->name || !call->class || !call->class->reg)  in __ftrace_set_clr_event()
419 		    strcmp(match, call->class->system) != 0)  in __ftrace_set_clr_event()
422 		if (sub && strcmp(sub, call->class->system) != 0)  in __ftrace_set_clr_event()
548 		if (call->class && call->class->reg)  in t_next()
610 	if (strcmp(call->class->system, TRACE_SYSTEM) != 0)  in t_show()
611 		seq_printf(m, "%s:", call->class->system);  in t_show()
695 		if (!call->name || !call->class || !call->class->reg)  in system_enable_read()
698 		if (system && strcmp(call->class->system, system->name) != 0)  in system_enable_read()
1393 	if (strcmp(call->class->system, TRACE_SYSTEM) != 0) {  in event_create_dir()
1394 		d_events = event_subsystem_dir(tr, call->class->system, file, parent);  in event_create_dir()
1407 	if (call->class->reg && !(call->flags & TRACE_EVENT_FL_IGNORE_ENABLE))  in event_create_dir()
1412 	if (call->event.type && call->class->reg)  in event_create_dir()
1423 		ret = call->class->define_fields(call);  in event_create_dir()
1507 	if (call->class->raw_init) {  in event_init()
1508 		ret = call->class->raw_init(call);  in event_init()
1869 		if (!call->name || !call->class || !call->class->reg)  in find_event_file()
1876 		    strcmp(system, call->class->system) == 0)  in find_event_file()
1929 		   data->file->event_call->class->system,  in event_enable_print()
2508 		if (!call->class || !call->class->probe)  in event_trace_self_tests()
2518 		if (call->class->system &&  in event_trace_self_tests()
2519 		    strcmp(call->class->system, "syscalls") == 0)  in event_trace_self_tests()