#!/bin/sh
#
# diskbenchmark 2009-01-13
# Public Domain

# Configuration section
#

# RAM in MB
ram=4096

# Partition to use, must be bigger than 2 * RAM size
part=/dev/mapper/vg0-test

# Mount point
mnt="/mnt/test"

# Number of runs
nruns=5

# Which filesystems to test
usefs="ext2 ext3 ext4 xfs jfs reiserfs"
#usefs="ext2 ext3 ext4 xfs jfs reiserfs btrfs"

# End configuration section
#

count=$((2 * $ram))
sudo umount "$mnt"

fun()
{
  echo "$*"
  $*
}

rootfun()
{
  echo "$*"
  sudo $*
}

block()
{
  echo
  echo "$*"
}

block "Raw speed of partition"
for i in $(seq 1 $nruns); do
  rootfun dd if=/dev/zero of="$part" bs=1024k count=$count
  rootfun dd of=/dev/null if="$part" bs=1024k count=$count
done

for fs in $usefs; do
  block "Test filesystem $fs"

  opt=
  case $fs in
    xfs)
      opt="-f -q"
      ;;
    btrfs)
      opt=""
      ;;
    *)
      opt="-q"
      ;;
  esac

  echo "mkfs.$fs $opt $part"
  time sudo mkfs.$fs $opt "$part"
  echo "mount $part $mnt"
  time sudo mount "$part" "$mnt"
  sudo chown $USER "$mnt"
  sudo chmod u+w "$mnt"

  block "Test block write and read"
  for i in $(seq 1 $nruns); do
    fun dd if=/dev/zero of="$mnt/file" bs=1024k count=$count
    fun dd of=/dev/null if="$mnt/file" bs=1024k count=$count
    echo "rm -f $mnt/file"
    time rm -f "$mnt/file"
  done

  block "Test with bonnie++"
  fun /usr/sbin/bonnie++ -s ${count}m:256k -n 128k:0:1999:1 -x $nruns -d "$mnt" -f -q

  sudo umount "$mnt"
done