linux查看cache占用

需要下载pcstat

[root@xk-1-145-a8 ~]# cat pcstat.sh

#!/bin/bash

#you have to install pcstat

if [ ! -f /root/pcstat.x86_64 ]

then

echo "You haven't installed pcstat yet"

echo "run \"go get github.com/tobert/pcstat\" to install"

exit

fi

#find the top 10 processs' cache file

ps -e -o pid,rss|sort -nk2 -r|head -10 |awk '{print $1}'>/tmp/cache.pids

#find all the processs' cache file

#ps -e -o pid>/tmp/cache.pids

if [ -f /tmp/cache.files ]

then

echo "the cache.files is exist, removing now "

rm -f /tmp/cache.files

fi

while read line

do

lsof -p $line 2>/dev/null|awk '{print $9}' >>/tmp/cache.files

done</tmp/cache.pids

if [ -f /tmp/cache.pcstat ]

then

echo "the cache.pcstat is exist, removing now"

rm -f /tmp/cache.pcstat

fi

for i in `cat /tmp/cache.files`

do

if [ -f $i ]

then

echo $i >>/tmp/cache.pcstat

fi

done

/root/pcstat.x86_64 `cat /tmp/cache.pcstat`

#rm -f /tmp/cache.{pids,files,pcstat}