Two problems for long-term scheduling(p381) s Decide the number of processes that Os can take on which is decided by the degree of multiprogramming Which job or jobs to accept and turn into(转化为) processes. Decided by scheduling algorithm, e.g. FCFS\ SJF hrR etc When to invoke the long-term scheduler? States of Job: admit, execution finish PROCESSES AND SCHEDULINGPROCESSES AND SCHEDULING Two problems for long-term scheduling（p381） ❖ Decide the number of processes that OS can take on, which is decided by the degree of multiprogramming. ❖ Which job or jobs to accept and turn into(转化为) processes. ٭ Decided by scheduling algorithm，e.g. FCFS、SJF、 HRRN etc… ❖ When to invoke the long-term scheduler? ❖ States of Job: admit, execution, finish