| 摘要 |
PURPOSE:To improve the throughput of a swapping control system by inhibiting a swapping-out action after counting the waiting time of each session and checking a swapping-out inhibition error to correct it if detected. CONSTITUTION:A swapping control system comprises a swapping control table 1, a session number register 2, a timer 3, a subtractor circuit 4, a comparator 7, a threshold value register 6, a transaction control part 7, a swapping executing control part 8, a session monitor part 9, an interruption timer 10 and a comparator 11. The part 7 counts the waiting time of each session. The part 8 inhibits a swapping-out action when said counted waiting time is smaller than the prescribed threshold value. The part 9 checks the processor time consumed by the session and corrects a swapping-out inhibition error. |
