linux查看进程开始时间
ps -eo pid,lstart|grep [pid]
命令解释：
-e Select all processes.
-o,o Specify user-defined format.
pid a number representing the process ID (alias tgid).
lstart time the command started.
示例：
ps -eo pid,lstart|grep [pid]
命令解释：
-e Select all processes.
-o,o Specify user-defined format.
pid a number representing the process ID (alias tgid).
lstart time the command started.
示例：
