551 	struct syscall_trace_enter *rec;  in perf_syscall_enter()  local
572 	size = sizeof(unsigned long) * sys_data->nb_args + sizeof(*rec);  in perf_syscall_enter()
576 	rec = (struct syscall_trace_enter *)perf_trace_buf_prepare(size,  in perf_syscall_enter()
578 	if (!rec)  in perf_syscall_enter()
581 	rec->nr = syscall_nr;  in perf_syscall_enter()
583 			       (unsigned long *)&rec->args);  in perf_syscall_enter()
584 	perf_trace_buf_submit(rec, size, rctx, 0, 1, regs, head, NULL);  in perf_syscall_enter()
625 	struct syscall_trace_exit *rec;  in perf_syscall_exit()  local
646 	size = ALIGN(sizeof(*rec) + sizeof(u32), sizeof(u64));  in perf_syscall_exit()
649 	rec = (struct syscall_trace_exit *)perf_trace_buf_prepare(size,  in perf_syscall_exit()
651 	if (!rec)  in perf_syscall_exit()
654 	rec->nr = syscall_nr;  in perf_syscall_exit()
655 	rec->ret = syscall_get_return_value(current, regs);  in perf_syscall_exit()
656 	perf_trace_buf_submit(rec, size, rctx, 0, 1, regs, head, NULL);  in perf_syscall_exit()