linux下查看一个进程的启动时间和运行时间

ps -A -opid,stime,etime,args

root:src# ps -A -opid,stime,etime,args
  PID STIME     ELAPSED COMMAND
    1 09:21    08:56:14 init [3]                                   
    2 09:21    08:56:14 [migration/0]
    3 09:21    08:56:14 [ksoftirqd/0]
    4 09:21    08:56:14 [watchdog/0]
    5 09:21    08:56:14 [events/0]
    6 09:21    08:56:14 [khelper]
    7 09:21    08:56:14 [kthread]
   10 09:21    08:56:14 [kblockd/0]
   11 09:21    08:56:14 [kacpid]
   47 09:21    08:56:14 [cqueue/0]