Shell脚本查看进程内存真实占用情况

           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}'`