资料来源:
https://www.cnblogs.com/xuxyblog/p/4801219.html (强烈推荐,详细)
https://blog.51cto.com/moerjinrong/2358406 (一条指令,简单)
https://my.oschina.net/fufangchun/blog/504490?p=1
https://zhidao.baidu.com/question/1887789951906747148.html
https://www.iteye.com/blog/zhaoshijie-2375269
https://www.jb51.net/article/34314.htm
https://blog.csdn.net/m0_37886429/article/details/73826868
https://blog.csdn.net/xiangliangyu/article/details/8213127
单条指令
for i in $(ls /proc |grep "^[0-9]" |awk '$0>100'); do awk '/Swap:/{a=a+$2}END{print '"$i"',a/1024"M"}' /proc/$i/smaps; done |sort -k2nr |head -10
脚本—列出正在占用swap的进程
#!/bin/bash
########################################
# 脚本功能 : 列出正在占用swap的进程。
########################################
echo -e "PID\t\tSwap\tProc_Name"
# 拿出/proc目录下所有以数字为名的目录(进程名是数字才是进程,其他如sys,net等存放的是其他信息)
for pid in `ls -l /proc|awk '/^d/ {print $NF}'|grep ^[0-9]`
do
# Do not check init process
if [ $pid -eq 1 ];then continue;fi
# 判断改进程是否占用了swap
grep -q "Swap" /proc/$pid/smaps 2>/dev/null
if [ $? -eq 0 ];then # 如果占用了swap
swap=$(grep Swap /proc/$pid/smaps| gawk '{ sum+=$2} END{ print sum }')
# 进程名
#proc_name=$(ps aux | grep -w "$pid" | grep -v grep
proc_name=$(ps -eo pid,comm | grep -w "$pid" | grep -v grep|awk '{print $NF}')
if [ $swap -ge 0 ];then # 如果占用了swap则输出其信息
echo -e "$pid\t${swap}\t$proc_name"
fi
fi
done | sort -k2 -n | gawk -F'\t' '{
pid[NR]=$1;
size[NR]=$2;
name[NR]=$3;
}
END{
for(id=1;id<=length(pid);id++)
{
if(size[id]<1024)
printf("%-10s\t%10sKB\t%s\n",pid[id],size[id],name[id]);
else if(size[id]<1048576)
printf("%-10s\t%10.2fMB\t%s\n",pid[id],size[id]/1024,name[id]);
else
printf("%-10s\t%10.2fGB\t%s\n",pid[id],size[id]/1048576,name[id]);
}
}'