fio 使用说明

#!/bin/bash

function usage()
{
    echo "sh $0 datadir runtime filesize"
}


function exe_fio_r_w()
{
    testname=$1
    if [ "$testname" == "randread" ];then
        iotype="randread"
    elif [ "$testname" == "seq_read" ];then
        iotype="read"
    elif [ "$testname" == "seq_write" ];then
        iotype="write"
    elif [ "$testname" == "randwrite" ];then
        iotype="randwrite"
    fi
    logfile=${logdir}/${testname}_${filesize}_${runtime}.log
    fio -filename=${testfile} -direct=1 -iodepth=100 -thread -rw=${iotype} -ioengine=psync -bs=8k -size=${filesize} -numjobs=${numjobs} -runtime=${runtime} -group_reporting -name=${testname}  > ${logfile} 2>&1	
}

function exe_fio_rw()
{
    testname=$1
    if [ "$testname" == "randrw30" ];then
        iotype="randrw"
        rwmixwrite=30
    elif [ "$testname" == "randrw70" ];then
        iotype="randrw"
        rwmixwrite=70
    fi
    logfile=${logdir}/${testname}_${filesize}_${runtime}.log
    fio -filename=${testfile} -direct=1 -iodepth=100 -thread -rw=${iotype} -rwmixwrite=${rwmixwrite} -ioengine=psync -bs=8k -size=${filesize} -numjobs=${numjobs} -runtime=${runtime} -group_reporting -name=${testname}  > ${logfile} 2>&1	
}

function exe_fio()
{
    for testname in ${testnames1[@]}
    do
        echo `date "+%Y-%m-%d %H:%M:%S"` "start to test $testname"
        exe_fio_r_w $testname
    done
    for testname in ${testnames2[@]}
    do
        echo `date "+%Y-%m-%d %H:%M:%S"` "start to test $testname"
        exe_fio_rw  $testname
    done
}


function check_param()
{
    if [ ! -d  "${datadir}" ];then
        echo "please input correct data dir!"
        echo "usage: sh $0 datadir runtime filesize"
        exit 1
    fi
    mkdir -p ${logdir}
    if [ "x$runtime" == "x" ];then
        echo "please input correct run time!"
        echo "usage: sh $0 datadir runtime filesize"
        exit 1
    fi
    if [ "$runtime" -gt 3600 ];then
        echo "the runtime is greater than 1 hours, if you want to use this param,please edit this scripts"
        exit 1
    fi
    if [ "x$filesize" == "x" ];then
        echo "the file size is  default 10G"
        filesize="10G"
        #sleep 2
    fi
    echo "runtime is ${runtime}s"
    echo "testfile is $testfile,size is $filesize"
    echo "logdir is $logdir"
}


datadir=$1
runtime=$2
filesize=$3
numjobs=20
testfile=${datadir}/fio_test.data
logdir=${datadir}/log
testnames1=(randread seq_read seq_write randwrite)
testnames2=(randrw30 randrw70)

check_param
exe_fio