1、获取服务进程PID  

    

[root@VM-32-26-centos ~]# service be3Service status
Application is running as root (UID 0). This is considered insecure.
Running [25383]

2、获取进程占用详情

[root@VM-32-26-centos ~]# cat /proc/25383/status
Name:	java
Umask:	0022
State:	S (sleeping)
Tgid:	25383
Ngid:	0
Pid:	25383
PPid:	1
TracerPid:	0
Uid:	0	0	0	0
Gid:	0	0	0	0
FDSize:	64
Groups:	0 
VmPeak:	 9771888 kB
VmSize:	 9771884 kB
VmLck:	       0 kB
VmPin:	       0 kB
VmHWM:	 1478236 kB
VmRSS:	  667916 kB
RssAnon:	  654264 kB
RssFile:	   13652 kB
RssShmem:	       0 kB
VmData:	 9712868 kB
VmStk:	     132 kB
VmExe:	       4 kB
VmLib:	   18820 kB
VmPTE:	    2360 kB
VmSwap:	       0 kB
Threads:	67
SigQ:	0/61038
SigPnd:	0000000000000000
ShdPnd:	0000000000000000
SigBlk:	0000000000000000
SigIgn:	0000000000000002
SigCgt:	2000000181005ccd
CapInh:	0000000000000000
CapPrm:	0000001fffffffff
CapEff:	0000001fffffffff
CapBnd:	0000001fffffffff
CapAmb:	0000000000000000
NoNewPrivs:	0
Seccomp:	0
Speculation_Store_Bypass:	thread vulnerable
Cpus_allowed:	ff
Cpus_allowed_list:	0-7
Mems_allowed:	00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000001
Mems_allowed_list:	0
voluntary_ctxt_switches:	1
nonvoluntary_ctxt_switches:	1

VmPeak:     表示进程所占用最大虚拟内存大小
VmSize:      表示进程当前虚拟内存大小
VmLck:       表示被锁定的内存大小
VmHWM:    表示进程所占用物理内存的峰值
VmRSS:     表示进程当前占用物理内存的大小(与procrank中的RSS)
VmData:     表示进程数据段的大小
VmStk:       表示进程堆栈段的大小
VmExe:      表示进程代码的大小
VmLib:       表示进程所使用共享库的大小
VmPTE:     表示进程页表项的大小

或者使用TOP查看也可以