552 	struct syscall_trace_enter *rec;  in perf_syscall_enter()  local
573 	size = sizeof(unsigned long) * sys_data->nb_args + sizeof(*rec);  in perf_syscall_enter()
577 	rec = (struct syscall_trace_enter *)perf_trace_buf_prepare(size,  in perf_syscall_enter()
579 	if (!rec)  in perf_syscall_enter()
582 	rec->nr = syscall_nr;  in perf_syscall_enter()
584 			       (unsigned long *)&rec->args);  in perf_syscall_enter()
585 	perf_trace_buf_submit(rec, size, rctx, 0, 1, regs, head, NULL);  in perf_syscall_enter()
626 	struct syscall_trace_exit *rec;  in perf_syscall_exit()  local
647 	size = ALIGN(sizeof(*rec) + sizeof(u32), sizeof(u64));  in perf_syscall_exit()
650 	rec = (struct syscall_trace_exit *)perf_trace_buf_prepare(size,  in perf_syscall_exit()
652 	if (!rec)  in perf_syscall_exit()
655 	rec->nr = syscall_nr;  in perf_syscall_exit()
656 	rec->ret = syscall_get_return_value(current, regs);  in perf_syscall_exit()
657 	perf_trace_buf_submit(rec, size, rctx, 0, 1, regs, head, NULL);  in perf_syscall_exit()