导语
给定服务名称，查看服务对应的进程占用的内存情况
*** 用法 ***
lc_pmem service-name
*** 举例 ***
root@pts/0 $ lc_pmem mysql
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
25096 mysql 20 0 2875808 666836 7716 S 12.5 17.2 104:58.33 mysqld
24469 root 20 0 113248 1568 1272 S 0.0 0.0 0:00.17 mysqld_safe
685961216
*** 脚本***
#!/usr/bin/env bash
# -*- coding: utf-8 -*-
#Filename: commFuncs.sh
#Author: Liuchao
#Email: 137642091@qq.com
#Date: 2016-06-16
#Desc: 常用工具封装
#
source /devOps/shell/common/functions
lc_pmem(){
pname="$1"
## list all [${pname}] related
top -n1 -b | head -n7 | sed '1,6d' && top -n1 -b | sed '1,7d' | grep --color=auto $1;
## summary the total memory about [${pname}]
## 单位换成字节，方便zabbix监控
ps aux | grep --color=auto $1 | grep --color=auto -v grep | awk -F " " '{ sum += $6 } END { print sum*1024 }'
## output with MB
# ps aux | grep --color=auto $1 | grep --color=auto -v grep | awk -F " " '{ sum += $6 } END { printf "Total Memory Usage: %.1f MB\n", sum/1024 }'
}
## call function
if [ $# -eq 1 ]
then
lc_pmem "$1"
else
uLog "Please enter program-name like:"
uLog "\tlc_pmem mysql"
fi
