LINUX进程内存占用查看方法

（1）pmap

NAME
       pmap - report memory map of a process

SYNOPSIS
       pmap [-x|-d] [-q] pid  ...
       pmap -V

 

(2)ps

UNIX95 = ps -e -o 'pid,comm,args,pcpu,rsz,vsz,stime,user,uid'  其中rsz是是实际内存

 

(3)top

top -d 1
然后shift + m（Sort by memory usage）

 

(4)/proc/$PID/cat status

 

Name:   printall
State:  R (running)
Tgid:   28036
Pid:    28036
PPid:   1
TracerPid:      0
Uid:    0       0       0       0
Gid:    0       0       0       0
FDSize: 256
Groups: 0
VmPeak:    20932 kB
VmSize:    16208 kB
VmLck:         0 kB
VmHWM:      7940 kB
VmRSS:      3476 kB
VmData:    12032 kB
VmStk:        84 kB
VmExe:        48 kB
VmLib:      3920 kB
VmPTE:        28 kB
Threads:        2
SigQ:   0/24567
SigPnd: 0000000000000000
ShdPnd: 0000000000000000
SigBlk: 0000000000000000
SigIgn: 0000000000001001
SigCgt: 0000000180000000
CapInh: 0000000000000000
CapPrm: ffffffffffffffff
CapEff: ffffffffffffffff
CapBnd: ffffffffffffffff
Cpus_allowed:   00000000,0000000f
Cpus_allowed_list:      0-3
Mems_allowed:   1
Mems_allowed_list:      0
voluntary_ctxt_switches:        274346570
nonvoluntary_ctxt_switches:     171470

 

任务虚拟地址空间的大小 VmSize
应用程序正在使用的物理内存的大小 VmRSS