Wackler bei HD+ Aufnahmen

#!/bin/sh
# IP of your NFS server
serverip=192.168.178.21
# exported directory on your NFS server
exportdir=/Platte2/Filme
# mount point on dbox
dboxmountpoint="/media/net/filme"
# filesize to transfer in MBytes.
# At least 8 MByte. Good values are 32 or 64 MByte.
# Try 128 to be more accurate (takes much longer!)
filesize=256
# block sizes to test in KBytes, possible values are 1 2 4 8 16 32.
# values have to be separated with spaces. See examples below.
# blocksizelist="4 8 32"
# blocksizelist="16"
blocksizelist="16 32"
# wether to enable synchronous reading, writing. Possible values are "yes"
# or no. Normally synchronous reading or writing should be slower than
# asynchronous, so to save some time most people would say "no" here.
enablesynctests="no"




##################################################################
########             don't edit below this line           ########
##################################################################


bs=8192
count=`expr $filesize \* 1048576 / $bs`
wlist=""
rlist=""
synctests="async"
if [ $enablesynctests = "yes" ]; then
  synctests="sync "$synctests
fi


echo
echo "Measuring NFS throughput..."
for factor in $blocksizelist
do
  for protocol in udp tcp
  do
    for synchronized in $synctests
    do
       size=`expr $factor \* 1024`
       bitcount=`expr $bs \* $count \* 8`
       umount $dboxmountpoint 2>/dev/null
       mount -t nfs -o rw,soft,$protocol,nolock,$synchronized,rsize=$size,wsize=$size $serverip:$exportdir $dboxmountpoint
       echo "Mount options: "$protocol", "$synchronized", wsize="$size
       echo "writing "$filesize" MBytes..."
       a=`date +%s`
       dd if=/dev/zero of=$dboxmountpoint/test bs=$bs count=$count 2>/dev/null;
       if [ $? = "0" ]
       then
         z=`date +%s`
         duration=`expr $z - $a`
         throughput=`expr $bitcount / $duration`
    echo "Success after "$duration" seconds"
       else
         throughput="Failure"
    echo "Failure"
       fi
       wlist=$wlist$throughput" with "$protocol","$synchronized",wsize="$size"\n"
       
       echo "Mount options: "$protocol", "$synchronized", rsize="$size
       echo "reading "$filesize" MBytes..."
       a=`date +%s`
       dd of=/dev/null if=$dboxmountpoint/test bs=$bs count=$count 2>/dev/null;
       if [ $? = "0" ]
       then
         z=`date +%s`
         duration=`expr $z - $a`
         throughput=`expr $bitcount / $duration`
    echo "Success after "$duration" seconds"
       else
         throughput="Failure"
    echo "Failure"
       fi
       rlist=$rlist$throughput" with "$protocol","$synchronized",rsize="$size"\n"
       echo
    done
  done
done


echo "Results for write throughput:"
echo -e $wlist | sort -nr | sed 's/^\([0-9]*\)\([0-9]\{3\}\)\([0-9]\{3\}\(.*\)\)/\1.\2 Mbit\/s\4/g'


echo "Results for read throughput:"
echo -e $rlist | sort -nr | sed 's/^\([0-9]*\)\([0-9]\{3\}\)\([0-9]\{3\}\(.*\)\)/\1.\2 Mbit\/s\4/g'