TOP中只查看某个或某些进程的信息

[root@test ~]# pidof php-fpm
29618 29617 29616 29505 29504 29503
(2)top指定查看PID
[root@test ~]# top -p 29618
top - 19:07:34 up 75 days, 10:18,  3 users,  load average: 0.00, 0.00, 0.00
Tasks:   1 total,   0 running,   1 sleeping,   0 stopped,   0 zombie
Cpu(s):  0.0%us,  0.0%sy,  0.0%ni,100.0%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Mem:   7929412k total,  7452668k used,   476744k free,   615360k buffers
Swap: 16383996k total,    28788k used, 16355208k free,  4870592k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND                                                                                                   
29618 www       20   0  298m 6332  804 S  0.0  0.1   0:00.00 php-fpm  

(1)得到php-fpm进程的pid
[root@test ~]# pidof php-fpm
21538
[root@test ~]# pidof php-fpm
29618 29617 29616 29505 29504 29503
(2)top指定查看PID
[root@test ~]# top -p 29618,29617,29616,29505,29504,29503