#!/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]);
}
}'
1 #!/usr/bin/env python
2 import re,os
3 #Swap: 0 kB
4 def check_swap(pid):
5 try:
6 f_name='/proc/'+pid+'/smaps'
7 f = open(f_name)
8 lines=f.readlines()
9 f.close()
10 size = 0
11 pattern=r'Swap:\s+(\d+)'
12 for line in lines:
13 if re.compile(pattern).findall(line):
14 size += int(re.compile(pattern).findall(line)[0])
15 return pid,size
16 except:
17 #print "Erro"
18 pass
19 def get_name(pid):
20 try:
21 f_name='/proc/'+pid+'/status'
22 f = open(f_name)
23 line=f.readline()
24 f.close()
25 name = line.split(':')[-1].split()[0]
26 return name
27 except:
28 pass
29 if __name__=='__main__':
30 print 'PID\tSWAP-SIZE\tNAME'
31 print os.getpid()
32 print '----------------'
33 for pid in os.listdir('/proc'):
34 if pid.isdigit():
35 info = check_swap(pid)
36 if (info[1]>0) :#and info[-1]:
37 print "%s\t%s\t%s" % (info[0],info[1],get_name(pid))
