fio测试和分析

编程

fio测试脚本

#!/bin/bash

set -e

ioengine="libaio"

iodepth=128

direct=1

fsync=1

runtime=600

size="10G"

mntdir="/mnt/fio-data/"

mkdir -p /mnt/fio-data

mount /dev/vdb /mnt/fio-data || true

for m in seq rand

do

prefix=""

if [ "$m" == "seq" ] ; then

bs="1024K"

else

bs="4K"

prefix="rand"

fi

for op in read write

do

cat <<EOF >$mntdir/fio-$m-$op.fio

[global]

fsync=$fsync

name=fio-$m-$op

filename=fio-$m-$op

rw=$prefix$op

bs=$bs

direct=$direct

numjobs=1

time_based=1

runtime=$runtime

[file1]

size=$size

ioengine=$ioengine

iodepth=$iodepth

EOF

done

done

docker rm -f $(docker ps -a -q) >/dev/null 2>&1|| true

echo "test case: $c"

outdir=`pwd`/result-`date "+%Y%m%d%H%M"`

mkdir -p $outdir

for p in `ls -1 $mntdir/*.fio`

do

f=`basename $p`

echo 3 > /proc/sys/vm/drop_caches

cmd="docker run --name=$f -v $mntdir:/tmp/fio-data -e JOBFILES=/tmp/fio-data/$f

clusterhq/fiotools-aio bash /opt/run.sh

| tee -a $outdir/$f.log"

echo $cmd

eval $cmd

sleep 1

done

提取iops和bw

#!/usr/bin/python2.7

import os

import re

from pathlib import Path

def get_perf(file, type, perf):

m = re.compile("s*{}s*: .* {}=(d+)".format(type, perf))

with open(file) as f:

for line in f.readlines():

g = m.search(line)

if g is not None and len(g.groups()) == 1:

return g.groups()[0]

raise Exception("{} {} not found".format(type, perf))

def parse(dir, perf):

data = []

perf_type = "rand" if perf == "iops" else "seq"

dirs = Path(dir).glob("result-*/")

for d in dirs:

f = os.path.join(d.name, "fio-%s-read.fio.log" % perf_type)

read = get_perf(f, "read", perf)

f = os.path.join(d.name, "fio-%s-write.fio.log" % perf_type)

write = get_perf(f, "write", perf)

data.append((read, write))

return data

if __name__ == "__main__":

cwd = os.path.dirname(os.path.realpath(__file__))

data = parse(cwd, "iops")

with open("iops.txt", "w") as f:

i = 1

for l in data:

f.write("{} {} {}

".format(i, l[0], l[1]))

i = i + 1

data = parse(cwd, "bw")

with open("bw.txt", "w") as f:

i = 1

for l in data:

f.write("{} {} {}

".format(i, l[0], l[1]))

i = i + 1

gunplot画图

  • iops

#!/bin/bash

data=iops.txt

pic=iops.png

/usr/local/bin/gnuplot << EOF

set autoscale # scale axes automatically

set xtic 1 # set xtics automatically

set ytic 1000 # set ytics automatically

set title "IOPS over Time"

set xlabel "samples over time"

set ylabel "iops"

set grid

set term png medium

set term png size 953, 620

set key box top left

set output "$pic"

plot "$data" using 1:2 title "read" with linespoints,

"$data" using 1:3 title "write" with linespoints

quit

EOF

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