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#!/bin/sh
HOST_OUTPUT="$(pwd)/output"
DEVICE_OUTPUT="/sdcard/tests/dd-wr-speed"
RESULT_FILE="${HOST_OUTPUT}/result.txt"
ITERATION="5"
PARTITION=""
usage() {
echo "Usage: $0 [-p <partition>] [-i <iteration>] [-s <sn>]" 1>&2
exit 1
}
while getopts "p:i:s:" o; do
case "$o" in
# "/data" partition will be used by default. Use '-p' to specify an
# external partition as needed, the partition will be formatted to vfat,
# and all data will be lost.
p) PARTITION="${OPTARG}" ;;
# You may need to run dd test 4-5 times for an accurate evaluation.
i) ITERATION="${OPTARG}" ;;
# Specify device serial number when more than one device connected.
s) SN="${OPTARG}" ;;
*) usage ;;
esac
done
. ../../lib/sh-test-lib
. ../../lib/android-test-lib
parse_output() {
local test="$1"
local test_case_id="${test}"
local UNITS="MB/s"
if ! [ -f "${HOST_OUTPUT}/${test}-output.txt" ]; then
warn_msg "${test} result file missing"
return
fi
# Fixup test case id with partition and filesystem.
if [ -n "${PARTITION}" ]; then
partition_name="$(basename "${PARTITION}")"
test_case_id="${partition_name}-vfat-${test_case_id}"
else
filesystem="$(adb -s "${SN}" shell mount \
| grep "/data" | awk '{print $3}')"
test_case_id="emmc-${filesystem}-${test_case_id}"
fi
# Parse raw output and add results to ${RESULT_FILE}.
itr=1
info_msg "Parsing ${test} output..."
while read line; do
if echo "${line}" | egrep -q "(M|G)B/s"; then
# busybox dd print test result in the format "39.8MB/s".
result="$(echo "${line}" | awk '{print $NF}')"
units="$(printf "%s" "${result}" | tail -c 4)"
measurement="$(printf "%s" "${result}" | tr -d "${units}")"
if [ "${units}" = "GB/s" ]; then
measurement=$(( measurement * 1024 ))
elif [ "${units}" = "KB/s" ]; then
measurement=$(( measurement / 1024 ))
fi
add_metric "${test_case_id}-itr${itr}" "pass" "${measurement}" "${UNITS}"
itr=$(( itr + 1 ))
fi
done < "${HOST_OUTPUT}/${test}"-output.txt
# For multiple times dd test, calculate the mean, min and max values.
# Save them to ${RESULT_FILE}.
if [ "${ITERATION}" -gt 1 ]; then
eval "$(grep "${test}" "${HOST_OUTPUT}"/result.txt \
| awk '{
if(min=="") {min=max=$3};
if($3>max) {max=$3};
if($3< min) {min=$3};
total+=$3; count+=1;
}
END {
print "mean="total/count, "min="min, "max="max;
}')"
add_metric "${test_case_id}-mean" "pass" "${mean}" "${UNITS}"
add_metric "${test_case_id}-min" "pass" "${min}" "${UNITS}"
add_metric "${test_case_id}-max" "pass" "${max}" "${UNITS}"
fi
}
# Test run.
[ -d "${HOST_OUTPUT}" ] && mv "${HOST_OUTPUT}" "${HOST_OUTPUT}-$(date +%Y%m%d%H%M%S)"
mkdir -p "${HOST_OUTPUT}"
initialize_adb
detect_abi
install "../../bin/${abi}/busybox"
install "./device-script.sh"
info_msg "About to run dd speed test on device ${SN}"
adb -s "${SN}" shell device-script.sh "${ITERATION}" "${PARTITION}" "${DEVICE_OUTPUT}" 2>&1 \
| tee "${HOST_OUTPUT}"/device-run.log
pull_output "${DEVICE_OUTPUT}" "${HOST_OUTPUT}"
parse_output "dd-write"
parse_output "dd-read"
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