302 	struct syscall_metadata *sys_data;  in ftrace_syscall_enter()  local
314 	sys_data = syscall_nr_to_meta(syscall_nr);  in ftrace_syscall_enter()
315 	if (!sys_data)  in ftrace_syscall_enter()
318 	size = sizeof(*entry) + sizeof(unsigned long) * sys_data->nb_args;  in ftrace_syscall_enter()
321 			sys_data->enter_event->event.type, size, 0, 0);  in ftrace_syscall_enter()
327 	syscall_get_arguments(current, regs, 0, sys_data->nb_args, entry->args);  in ftrace_syscall_enter()
329 	if (!filter_current_check_discard(buffer, sys_data->enter_event,  in ftrace_syscall_enter()
337 	struct syscall_metadata *sys_data;  in ftrace_syscall_exit()  local
348 	sys_data = syscall_nr_to_meta(syscall_nr);  in ftrace_syscall_exit()
349 	if (!sys_data)  in ftrace_syscall_exit()
353 			sys_data->exit_event->event.type, sizeof(*entry), 0, 0);  in ftrace_syscall_exit()
361 	if (!filter_current_check_discard(buffer, sys_data->exit_event,  in ftrace_syscall_exit()
500 	struct syscall_metadata *sys_data;  in perf_syscall_enter()  local
511 	sys_data = syscall_nr_to_meta(syscall_nr);  in perf_syscall_enter()
512 	if (!sys_data)  in perf_syscall_enter()
516 	size = sizeof(unsigned long) * sys_data->nb_args + sizeof(*rec);  in perf_syscall_enter()
525 				sys_data->enter_event->event.type, regs, &rctx);  in perf_syscall_enter()
530 	syscall_get_arguments(current, regs, 0, sys_data->nb_args,  in perf_syscall_enter()
533 	head = this_cpu_ptr(sys_data->enter_event->perf_events);  in perf_syscall_enter()
574 	struct syscall_metadata *sys_data;  in perf_syscall_exit()  local
585 	sys_data = syscall_nr_to_meta(syscall_nr);  in perf_syscall_exit()
586 	if (!sys_data)  in perf_syscall_exit()
602 				sys_data->exit_event->event.type, regs, &rctx);  in perf_syscall_exit()
609 	head = this_cpu_ptr(sys_data->exit_event->perf_events);  in perf_syscall_exit()