fio testing script

run_fio.sh

#!/bin/bash

[[ $# -lt 2 ]] && exit 1

DEV="$1"
OUTDIR="$2"

[[ -d $OUTDIR ]] || mkdir -p $OUTDIR

BLOCK_SIZES="512 4K 8K 256K"
JOBS="write randwrite read randread"

gen_job_file() {
  job=$1
  block_size=$2
  echo "[global]" > $job
  echo "bs=$block_size" >> $job
  echo "direct=1" >> $job
  echo "rw=$job" >> $job
  echo "ioengine=libaio" >> $job
  echo "iodepth=8" >> $job
  echo "runtime=20" >> $job
  echo "[$DEV]" >> $job
}

cleanup() {
  for job in $JOBS
  do
    rm -f $job
  done
}

run_test() {
  job=$1
  block_size=$2
  for i in {1..1}
  do
    fio --output="$OUTDIR/fio.$job.$block_size.$i.log" $job
  done
}

# run all the jobs
for job in $JOBS
do
  # generate job file for current job
  for block_size in $BLOCK_SIZES
  do
    echo
    echo "run $job in $block_size"
    gen_job_file $job $block_size
    run_test $job $block_size
  done
done

cleanup