Shell脚本查看进程内存真实占用情况
Shell脚本查看进程内存真实占用情况
发布时间:2016-12-28 来源:查字典编辑
摘要:复制代码代码如下:#!/bin/bash#*************************************************...

复制代码 代码如下:

#!/bin/bash

#****************************************************************#

# ScriptName: pm

# Author: osdba

# Create Date: 2010-01-31

# Modify Author:

# Modify Date: 2010-01-31

# Function: show processes memory used

#***************************************************************#

function getpidmem()

{

cat /proc/$1/smaps 2>/dev/null |awk /

'BEGIN{

total_size=0;

total_rss=0;

total_shared_clean=0;

total_shared_dirty=0;

total_private_clean=0;

total_private_dirty=0;

total_swap=0;

mem_size=0;

mem_rss=0;

mem_shared_clean=0;

mem_shared_dirty=0;

mem_private_clean=0;

mem_private_dirty=0;

mem_swap=0;

}

{

if($1 ~ /^Size:/)

{

mem_size=$2;

}

else if($1 ~ /^Rss:/)

{

mem_rss=$2;

}

else if($1 ~ /^Shared_Clean:/)

{

mem_shared_clean=$2;

}

else if($1 ~ /^Shared_Dirty:/)

{

mem_shared_dirty=$2;

}

else if($1 ~ /^Private_Clean:/)

{

mem_private_clean=$2;

}

else if($1 ~ /^Private_Dirty:/)

{

mem_private_dirty=$2;

}

else if($1 ~ /^Swap:/)

{

mem_swap=$2;

}

else

{

if(ipcmem_start==1)

{

ipc_size=mem_size;

ipc_rss=mem_rss;

ipc_shared_clean=mem_shared_clean;

ipc_shared_dirty=mem_shared_dirty;

ipc_private_clean=mem_private_clean;

ipc_private_dirty=mem_private_dirty;

ipc_swap=mem_swap;

}

else

{

total_size=total_size+mem_size;

total_rss=total_rss+mem_rss;

total_shared_clean=total_shared_clean+mem_shared_clean;

total_shared_dirty=total_shared_dirty+mem_shared_dirty;

total_private_clean=total_private_clean+mem_private_clean;

total_private_dirty=total_private_dirty+mem_private_dirty;

total_swap=total_swap+mem_swap;

};

if($6 ~ /^//SYSV/)

{

ipcmem_start=1;

}

else

{

ipcmem_start=0;

};

};

}

END{

printf("%15d %15d %15d %15d %15d %15d/n",total_rss,total_private_clean,total_private_dirty,total_shared_clean,total_shared_dirty,total_swap);

}

'

}

function show_all_process_mem()

{

TMPFILE=`/bin/mktemp -q`

echo " pid RSS(KB) PRIV_DIRTY PRIV_CLEAN SHR_DIRTY SHR_CLEAN SWAP PAGETABLE CMDLINE"

echo "--------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ----------------"

ls -ld /proc/[0-9]* |awk '{printf("%s/n",$NF)}' > $TMPFILE

while read LINE

do

PID=`basename $LINE`

cmdline=`ps -o command -p $PID |tail -1 |cut -b 1-26`

pagetablesize=`cat /proc/$PID/status |grep "VmPTE:"|awk '{print $2}'`

if [ "$pagetablesize" = "" ] ; then

pagetablesize=0

fi

meminfoline=`getpidmem $PID`

rss=`echo $meminfoline |awk '{print $1}'`

private_clean=`echo $meminfoline |awk '{print $2}'`

private_dirty=`echo $meminfoline |awk '{print $3}'`

shared_dirty=`echo $meminfoline |awk '{print $4}'`

shared_clean=`echo $meminfoline |awk '{print $5}'`

swap=`echo $meminfoline |awk '{print $6}'`

total_rss=$((total_rss+rss))

total_private_clean=$((total_private_clean+private_clean))

total_private_dirty=$((total_private_dirty+private_dirty))

total_shared_dirty=$((total_shared_dirty+shared_dirty))

total_shared_clean=$((total_rss+shared_clean))

total_swap=$((total_swap+swap))

total_pagetablesize=$((total_pagetablesize+pagetablesize))

if [ "$1" = "-a" ] ;then

echo $PID $meminfoline "$pagetablesize" "$cmdline"|awk /

'{

printf("%9d %10d %10d %10d %10d %10d %10d %10d %-26s/n",$1,$2,$3,$4,$5,$6,$7,$8,$9);

}'

fi

done <$TMPFILE

/bin/rm $TMPFILE

echo $total_rss $total_private_clean $total_private_dirty $total_shared_dirty $total_shared_clean $total_swap $total_pagetablesize |awk /

'{

printf(" ALL %10d %10d %10d %10d %10d %10d %10d/n",$1,$2,$3,$4,$5,$6,$7);

}'

}

function print_usage()

{

echo "usage:"

echo " pm.sh -a : display all process memory info"

echo " pm.sh -s : display total memory info"

echo " pm.sh -p <pid> : display pid memory info"

}

total_rss=0

total_private_clean=0

total_private_dirty=0

total_shared_dirty=0

total_shared_clean=0

total_swap=0

total_pagetablesize=0

if [ $# -lt 1 ];then

print_usage;

exit 1

fi

if [ "$1" = "-a" ];then

show_all_process_mem $1;

exit 0

fi

if [ "$1" = "-s" ];then

show_all_process_mem $1;

exit 0

fi

if [ "$1" = "-p" ];then

if [ $# -ne 2 ];then

print_usage;

exit 1

fi

meminfoline=`getpidmem $2`

cmdline=`ps -o command -p $2 |tail -1 |cut -b 1-26`

pagetablesize=`cat /proc/$2/status |grep "VmPTE:"|awk '{print $2}'`

if [ "$pagetablesize" = "" ]; then

pagetablesize=0

fi

echo " pid RSS(KB) PRIV_DIRTY PRIV_CLEAN SHR_DIRTY SHR_CLEAN SWAP PAGETABLE CMDLINE"

echo "--------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ----------------"

echo $2 $meminfoline "$pagetablesize" "$cmdline"|awk /

'{

printf("%9d %10d %10d %10d %10d %10d %10d %10d %-26s/n",$1,$2,$3,$4,$5,$6,$7,$8,$9);

}'

exit 0

fi

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