#!/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