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November 15, 2015 04:25
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#!/bin/bash | |
if [ -z "$1" ]; then | |
echo "Please supply target device" | |
else | |
echo "running test on '$1'" | |
numberRuns=$3 | |
if [ -z "$numberRuns" ]; then | |
numberRuns=5 | |
echo "running $numberRuns times (default)" | |
else | |
echo "running $numberRuns times" | |
fi | |
if [ -z "$4" ]; then | |
count="16" | |
echo "using count $count (default)" | |
else | |
size=$4 | |
echo "using count $count" | |
fi | |
outFile=$2 | |
if [ -n "$outFile" ]; then | |
echo "logging to $2" | |
else | |
echo "no logfile supplied => /dev/null" | |
outFile="/dev/null" | |
fi | |
outFileOrig=$outFile | |
outFile="$outFileOrig-write" | |
echo "$numberRuns runs of 128MBytes * $count to $1" > $outFile | |
for i in {1..5} | |
do | |
dd if=/dev/zero of=$1 bs=128M count=$count conv=fdatasync >> $outFile 2>&1 | |
done | |
echo "summary of large files" >> $outFile | |
cat $outFile | grep "copied" | sed 's/.*, //g' >> $outFile | |
avg=$(cat $outFile | grep "copied" | sed 's/.*, //g' | sed 's/ MB\/s//g' | paste -sd+ | bc | awk -v var="$numberRuns" '{print $1"/"var}' | bc -l) | |
echo "average: $avg MB/s" >> $outFile | |
echo "$avg" >> $outFile | |
outFile="$outFileOrig-read" | |
echo "$numberRuns runs of 128MBytes * $count to $1" > $outFile | |
for i in {1..5} | |
do | |
dd if=$1 of=/dev/null bs=128M count=$count conv=fdatasync >> $outFile 2>&1 | |
done | |
echo "summary of large files" >> $outFile | |
cat $outFile | grep "copied" | sed 's/.*, //g' >> $outFile | |
avg=$(cat $outFile | grep "copied" | sed 's/.*, //g' | sed 's/ MB\/s//g' | paste -sd+ | bc | awk -v var="$numberRuns" '{print $1"/"var}' | bc -l) | |
echo "average: $avg MB/s" >> $outFile | |
echo "$avg" >> $outFile | |
fi |
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