动态查看一个进程的内存使用
2、ps命令
ps aux|grep process_name
3、查看/proc/process_id/文件夹下的status文件
name: php
state: r (running)
sleepavg: 0%
tgid: 21574
pid: 21574
ppid: 10005
tracerpid: 0
uid: 1000 1000 1000 1000
gid: 100 100 100 100
fdsize: 256
groups: 16 100
vmpeak: 161740 kb
vmsize: 161740 kb
vmlck: 0 kb
vmhwm: 107144 kb
vmrss: 107144 kb
vmdata: 106192 kb
vmstk: 84 kb
vmexe: 5588 kb
vmlib: 7884 kb
vmpte: 268 kb
threads: 1
sigq: 0/69632
sigpnd: 0000000000000000
shdpnd: 0000000000000000
sigblk: 0000000000000000
sigign: 0000000000001000
sigcgt: 00000001818040a7
capinh: 0000000000000000
capprm: 0000000000000000
capeff: 0000000000000000
cpus_allowed: 00000000,00000000,00000000,0000000f
mems_allowed: 1
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
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