#!/bin/sh PATH=/sbin:/usr/sbin:/bin:/usr/bin BLKDEV=${1} PREFIX=${2} if [ -z "${BLKDEV}" ] then echo "Usage: ${0} blockdev" exit 1 fi #if [ ! -b ${BLKDEV} ] #then # echo "${BLKDEV} is not a block device!" # exit 1 #fi BD=`basename ${BLKDEV}` BD_SIZE64=`blockdev --getsize64 ${BLKDEV}` BD_BSZ=`blockdev --getbsz ${BLKDEV}` if [ -z "${XDD}" ] then XDD=/sbin/xdd.linux fi XDD_QUEUEDEPTHS="1 2 4 8 16 32 64 128" if [ -z "${XDD_BLOCKSIZE}" ] then XDD_BLOCKSIZE=${BD_BSZ} fi XDD_REQSIZES="1 2 4 8 16 32 64 128 256 512" XDD_PASSES=1 if [ -z "${XDD_MBYTES}" ] then # XDD_MBYTES=`expr ${BD_SIZE64} / 1048576` XDD_MBYTES=256 fi if [ -n "${PREFIX}" ] then PREFIX="${PREFIX}." fi OUTDIR=/tmp/perftest/${PREFIX}${BD}.`date +%Y-%m-%d.%H-%M-%S.$$` mkdir -p ${OUTDIR} || exit 1 echo "Wipe the disk..." dd if=/dev/zero of=${BLKDEV} bs=${XDD_MBYTES}M count=1 oflag=direct echo "" BD_INFO=${OUTDIR}/blockdev.txt echo "#dev.path=${BLKDEV}" | tee -a ${BD_INFO} echo "#dev.size=${BD_SIZE64}" | tee -a ${BD_INFO} for p in hw_sector_size physical_block_size logical_block_size minimum_io_size optimal_io_size max_sectors_kb max_hw_sectors_kb nr_requests read_ahead_kb rq_affinity scheduler nomerges rotational do v="unknown" [ -r /sys/block/${BD}/queue/${p} ] && v=`cat /sys/block/${BD}/queue/${p}` echo "#dev.${p}=${v}" | tee -a ${BD_INFO} done cat < ${OUTDIR}/index.html
EOF ulimit -s 128 for op in write read do gpi=${OUTDIR}/xdd-op_${op}.gpi echo "set term png" >> ${gpi} echo "set output 'xdd-op_${op}.png'" >> ${gpi} echo "set title 'XDD ${op} test of ${BLKDEV}'" >> ${gpi} echo "set xlabel 'reqsize [B]'" >> ${gpi} echo "set logscale x" >> ${gpi} echo "set ylabel 'rate [MB/s]'" >> ${gpi} echo "set yrange [0:]" >> ${gpi} echo "set grid" >> ${gpi} xtics="" first=1 for rs in ${XDD_REQSIZES} do bs=`expr ${XDD_BLOCKSIZE} \* ${rs}` #if [ ${bs} -gt 2097152 ] #then # break #fi if [ ${bs} -lt 1024 ] then xt="${bs}B" elif [ ${bs} -lt 1048576 ] then xt="`expr ${bs} / 1024`K" else xt="`expr ${bs} / 1048576`M" fi if [ ${first} -gt 0 ] then xtics="set xtics ('${xt}' ${bs}" first=0 else xtics="${xtics}, '${xt}' ${bs}" fi done xtics="${xtics})" echo "${xtics}" >> ${gpi} plot="" first=1 for qd in ${XDD_QUEUEDEPTHS} do data=xdd-op_${op}-qd_${qd}.dat if [ ${first} -gt 0 ] then plot="plot '${data}' title 'threads: ${qd}' with lines" first=0 else plot="${plot}, '${data}' title 'threads: ${qd}' with lines" fi done echo "${plot}" >> ${gpi} for qd in ${XDD_QUEUEDEPTHS} do data=${OUTDIR}/xdd-op_${op}-qd_${qd}.dat for rs in ${XDD_REQSIZES} do bs=`expr ${XDD_BLOCKSIZE} \* ${rs}` #if [ ${bs} -gt 2097152 ] #then # break #fi TMPFILE=${OUTDIR}/xdd-op_${op}-qd_${qd}-rs_${rs}.log sleep 2 ${XDD} -targets 1 ${BLKDEV} -op ${op} -queuedepth ${qd} -blocksize ${XDD_BLOCKSIZE} -reqsize ${rs} -mbytes ${XDD_MBYTES} -passes ${XDD_PASSES} -dio -verbose 2>&1 | sed 's/ //g' | tee ${TMPFILE} if [ $? -ne 0 ] then echo "FAILED" echo "" cat ${TMPFILE} echo "" exit 1 fi rate=`cat ${TMPFILE} | grep -E '[[:blank:]]+Combined[[:blank:]]+.*' | awk '{ print $7 }' | cut -d '.' -f 1` echo "${bs} ${rate}" >> ${data} done done done echo "Packing results into ${OUTDIR}.tgz" tar -zcf ${OUTDIR}.tar.gz ${OUTDIR} echo "Done" exit 0