155 lines
3.5 KiB
Bash
155 lines
3.5 KiB
Bash
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#!/bin/sh
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get_total()
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{
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df -k ${dir} 2>/dev/null | tail -n 1 | awk '{print $2}'
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}
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get_free()
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{
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df -k ${dir} 2>/dev/null | tail -n 1 | awk '{print $4}'
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}
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get_ddr()
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{
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awk '/^MemTotal/{print $2}' /proc/meminfo
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}
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get_flash()
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{
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df -k ${dir} 2>/dev/null | tail -n 1 | awk '{print $1}'
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}
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get_fs()
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{
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df -T ${dir} 2>/dev/null | tail -n 1 | awk '{print $2}'
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}
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get_time()
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{
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local min="$(awk '/real/{print $2}' $1 | sed 's/m//')"
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local sec="$(awk '/real/{print $3}' $1 | sed 's/[s\.]//g' | sed 's/^0*//')"
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echo $(( ${min} * 60 * 100 + ${sec} ))
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}
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get_r_speed()
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{
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[ -z "${sec}" ] && sec=$(get_time $1)
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[ "${sec}" -le "0" ] \
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&& echo "Get Speed Failed" \
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&& exit 1
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echo $(( ${test_k} * 100 / ${sec} ))
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}
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get_w_speed()
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{
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[ -z "${sec}" ] && sec=$(get_time $1)
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[ "${sec}" -le "0" ] \
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&& echo "Get Speed Failed" \
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&& exit 1
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echo $(( ${test_k} * 100 / ${sec} ))
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}
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# test size depends on free flash and total ddr.
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# 2 times bigger than free
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get_test()
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{
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local size_k
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# support 2 * ddr, or 95% of free.
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[ "$(( ${ddr_k} * 2 ))" -lt "${free_k}" ] \
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&& size_k=$(( ${ddr_k} * 2 )) \
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|| size_k=$(( ${free_k} * 95 / 100 ))
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# if larger than 4G, use around 3.9G
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# (in case of vfat, which support the most large 4G)
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[ "${size_k}" -ge $(( 4 * 1024 * 1024 )) ] \
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&& size_k=$(( 3 * 1024 * 1024 + 921 * 1024 ))
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echo ${size_k}
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}
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do_tiny_test()
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{
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in="$1"
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out="$2"
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bs="${blk}k"
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count="$(( ${test_k} / ${blk} ))"
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[ "${out}" = "/dev/null" ] \
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&& args="if=${in} of=${out} bs=${bs} count=${count}" \
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|| args="if=${in} of=${out} bs=${bs} count=${count} conv=fsync"
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echo dd ${args}
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time dd ${args}
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}
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# ====================== begin here ======================
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tt_base="/spec/storage/tiny-seq"
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dir=`mjson_fetch ${tt_base}/check_directory`
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blk=`mjson_fetch ${tt_base}/block_size_kb`
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ddr_k="$(get_ddr)"
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[ "${ddr_k}" -ge "$(( 32 * 1024 ))" ] \
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&& echo "This testcase is work for ddr less than 32M" \
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&& echo "You can use /spec/storage/seq instead" \
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&& exit 1
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[ -z "${dir}" ] \
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&& echo "Miss directory, set default: /mnt/SDCARD" \
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&& dir="/mnt/SDCARD"
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[ -z "${blk}" ] \
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&& echo -n "Miss block size, set default: 512K" \
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&& blk=512
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[ "${blk}" -gt "$(( 4 * 1024 ))" ] \
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&& echo -n "block size should not larger than 4m, use 512k instead" \
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&& blk=512
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total_k="$(get_total)"
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free_k="$(get_free)"
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# test size depends on free flash and total ddr.
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test_k="$(( $(get_test) / ${blk} * ${blk} ))"
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flash="$(get_flash)"
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fs="$(get_fs)"
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echo
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echo "flash: ${flash}"
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echo "filesystem: ${fs}"
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echo "flash total size: ${total_k} KB"
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echo "flash free size: ${free_k} KB"
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echo "flash test size: ${test_k} KB"
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echo "ddr tital size: ${ddr_k} KB"
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echo "test directory: ${dir}"
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echo "test block size: ${blk} KB"
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echo
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log="/tmp/spec-tiny-seq.log"
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# do test for write
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do_tiny_test "/dev/zero" "${dir}/dd.tmp" 2>&1 | tee ${log}.w
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echo
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# free memory
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echo sync
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time sync
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echo
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echo free caches
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echo 3 > /proc/sys/vm/drop_caches
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echo
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# do test for read
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do_tiny_test "${dir}/dd.tmp" "/dev/null" 2>&1 | tee ${log}.r
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echo
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# analyse speed
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r_speed_k="$(get_r_speed ${log}.r)"
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w_speed_k="$(get_w_speed ${log}.w)"
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rm -f ${log}.r ${log}.w ${dir}/dd.tmp
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echo
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[ -z ${r_speed_k} -o -z ${w_speed_k} ] \
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&& echo "Get Speed Failed" \
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&& exit 1
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echo "read speed: ${r_speed_k} KB/s"
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echo "write speed: ${w_speed_k} KB/s"
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ttips "read speed: ${r_speed_k} KB/s" \
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-n "write speed: ${w_speed_k} KB/s"
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