PS 命令

etime

etime – elapsed time since the process was started, in the form [[DD-]hh:]mm:ss.

!6 $ ps -p 4261 -o etime
    ELAPSED
      25:05

ps -eo pid,comm,lstart,etime,time,args

• PID – The Process ID
• COMMAND(second column) – The command name without options and/or arguments.
• STARTED – The absolute starting time of the process.
• ELAPSED – The elapsed time since the process was started, in the form of [[dd-]hh:]mm:ss.
• TIME – Cumulative CPU time, “[dd-]hh:mm:ss” format.
• COMMAND (last column) – Command name with all its provided options and arguments.

etimes

etimes – elapsed time since the process was started, in seconds.

!7 $ ps -p 4261 -o etimes
ELAPSED
   1516

ps -eo pid,comm,lstart,etimes,time,args