btrfs benchmarks ubuntu maverick script

#!/bin/bash

SRC=/home/velenux/c0ding/  # lots of small files, and some bigger ones mixed in
DEST=$1/velebench/

echo "Starting test: "
echo " - SRC:  ${SRC}"
echo " - DEST: ${DEST}"
echo ""

for run in $(seq 1 3); do
  echo "Running test #${run}..."

  if [ ! -d $DEST ]; then
    mkdir -p $DEST
  fi

  echo ' * rsync'
  rsync -a ${SRC} $DEST &>/dev/null
  sync

  echo ' * mp3'
  for mp3 in $(seq 1 20); do
    dd if=/dev/urandom of=${DEST}/mp3-${mp3}.mp3 bs=1M count=4 &>/dev/null
  done
  sync

  echo ' * 100mb file'
  dd if=/dev/zero of=${DEST}/one.img bs=1M count=100 &>/dev/null
  sync

  echo ' * 1Gb file'
  dd if=/dev/zero of=${DEST}/two.img bs=4M count=250 &>/dev/null
  sync

  echo ' * removing'
  rm -rf $DEST/
  sync

  echo ''
done