Shell script to see the real footprint of process memory _linux Shell

Copy Code code as follows:

#!/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 ($ ~/^size:/)
{
mem_size=$2;
}
else if ($ ~/^rss:/)
{
mem_rss=$2;
}
else if ($ ~/^shared_clean:/)
{
mem_shared_clean=$2;
}
else if ($ ~/^shared_dirty:/)
{
mem_shared_dirty=$2;
}
else if ($ ~/^private_clean:/)
{
mem_private_clean=$2;
}
else if ($ ~/^private_dirty:/)
{
mem_private_dirty=$2;
}
else if ($ ~/^swap:/)
{
mem_swap=$2;
}
Else
{
if (ipcmem_start==1)
{
Ipc_size=mem_size;
Ipc_rss=mem_rss;
Ipc_shared_clean=mem_shared_clean;
Ipc_shared_dirty=mem_shared_dirty;
Ipc_private_clean=mem_private_clean;
Ipc_private_dirty=mem_private_dirty;
Ipc_swap=mem_swap;
}
Else
{
Total_size=total_size+mem_size;
Total_rss=total_rss+mem_rss;
Total_shared_clean=total_shared_clean+mem_shared_clean;
Total_shared_dirty=total_shared_dirty+mem_shared_dirty;
Total_private_clean=total_private_clean+mem_private_clean;
Total_private_dirty=total_private_dirty+mem_private_dirty;
Total_swap=total_swap+mem_swap;
};
if ($ ~/^//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
Todo
Pid= ' basename $LINE '
Cmdline= ' Ps-o command-p $PID |tail-1 |cut-b 1-26 '
Pagetablesize= ' cat/proc/$PID/status |grep "vmpte:" |awk ' {print $} '
If ["$pagetablesize" = ""]; Then
Pagetablesize=0
Fi

Meminfoline= ' Getpidmem $PID '
Rss= ' echo $meminfoline |awk ' {print $} '
Private_clean= ' echo $meminfoline |awk ' {print $} '
Private_dirty= ' echo $meminfoline |awk ' {print $} '
Shared_dirty= ' echo $meminfoline |awk ' {print $} '
Shared_clean= ' echo $meminfoline |awk ' {print $} '
Swap= ' echo $meminfoline |awk ' {print $} '
total_rss=$ ((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 ["$" = "a"]; then
echo $PID $meminfoline "$pagetablesize" "$cmdline" |awk/
'{
printf ("%9d%10d%10d%10d%10d%10d%10d%10d",%-26s/n);
}'
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 ["$" = "a"];then
Show_all_process_mem $;
Exit 0
Fi
If ["$" = "s"];then
Show_all_process_mem $;
Exit 0
Fi

If ["$" = "P"];then
If [$#-ne 2];then
Print_usage;
Exit 1
Fi

Meminfoline= ' Getpidmem $ '
Cmdline= ' Ps-o command-p $ |tail-1 |cut-b 1-26 '
Pagetablesize= ' Cat/proc/$2/status |grep ' vmpte: ' |awk ' {print $} '
If ["$pagetablesize" = ""]; Then
Pagetablesize=0
Fi

echo "pid RSS (KB) priv_dirty priv_clean shr_dirty shr_clean SWAP pagetable cmdline"
echo "-----------------------------------------------------------------------------------------------"
echo $ $meminfoline "$pagetablesize" "$cmdline" |awk/
'{
printf ("%9d%10d%10d%10d%10d%10d%10d%10d",%-26s/n);
}'
Exit 0
Fi