sd_test.sh

#!/bin/bash

function readINI()
{
 FILENAME=$1; SECTION=$2; KEY=$3
 RESULT=`awk -F '=' '/\['$SECTION'\]/{a=1}a==1&&$1~/'$KEY'/{print $2;exit}' $FILENAME`
 echo $RESULT
}

cfg_name=cfg.ini
cfg_section=SD
k_unit=1024

echo "******************SD testing..."

str_sddevice=$(readINI $cfg_name $cfg_section sddevice)
sd_device=$(echo $str_sddevice | sed 's/\r//')
#echo $sd_device

str_blocksize=$(readINI $cfg_name $cfg_section blocksize)
block_size=$(echo $str_blocksize | sed 's/\r//')
#echo $block_size

k_index=`expr index "$str_blocksize" k`
if [ $k_index -gt 1 ]
then
	k_index=`expr $k_index - 1`
	int_block_size=${str_blocksize:0:$k_index}
	int_block_size=`echo "$int_block_size*$k_unit" |bc`
else
	int_block_size=$block_size
fi

str_blockcnt=$(readINI $cfg_name $cfg_section blockcnt)
block_cnt=$(echo $str_blockcnt | sed 's/\r//')
#echo $block_cnt

str_expectreadspeed=$(readINI $cfg_name $cfg_section expectreadspeed)
expect_readspeed=$(echo $str_expectreadspeed | sed 's/\r//')
#echo $expect_readspeed

echo "time dd if=/dev/$sd_device of=/dev/null bs=$block_size count=$block_cnt"
time dd if=/dev/$sd_device of=/dev/null bs=$block_size count=$block_cnt 2>&1 | tee sd_test.log

str=$(sed -n '4p' sd_test.log)
#echo "string: $str"
l_index=`expr index "$str" l`
m_index=`expr index "$str" m`
m_cnt=`expr $m_index - $l_index - 1`

min=${str:$l_index:$m_cnt}
#echo "min: $min"

s_index=`expr index "$str" s`
s_cnt=`expr $s_index - $m_index - 1`
sec=${str:$m_index:$s_cnt}
#echo "sec: $sec"

time=`echo "$min*60+$sec" |bc`
#echo "time: $time s"
	
speed=$(echo "$int_block_size $block_cnt" | awk '{printf("%.2f",$1*$2)}')
speed=$(echo "$speed $time" |awk '{printf("%.2f",$1/$2)}')
speed=$(echo $speed $k_unit | awk '{printf("%.2f",$1/$2)}')
speed=$(echo $speed $k_unit | awk '{printf("%.2f",$1/$2)}')
echo "speed: $speed Mbit/s"
	
result=$(echo $speed $expect_readspeed | awk '{if($1>$2) {printf 1} else {printf 0}}')
#echo "result=$result"
if [[ $result = 1 ]] && [[ $sec != 0 ]]
then
	echo "SD PASS"
	echo "SD:             PASS  speed: $speed Mbit/s" >> test_result.log
else
	echo "SD FAIL"
	echo "SD:             FAIL  speed: $speed Mbit/s" >> test_result.log
fi