v2: android: add dd write/read speed test

Change-Id: Ia25948fa61f368da49ade20b315591301bf65071
Signed-off-by: Chase Qi <chase.qi@linaro.org>

1 files changed, 62 insertions, 0 deletions

diff --git a/automated/android/dd-wr-speed/device-script.sh b/automated/android/dd-wr-speed/device-script.sh
new file mode 100755
index 0000000..66ce843
--- /dev/null
+++ b/automated/android/dd-wr-speed/device-script.sh
@@ -0,0 +1,62 @@
+#!/system/bin/sh
+
+ITERATION="$1"
+PARTITION="$2"
+OUTPUT="$3"
+
+if [ "$#" -ne 3 ]; then
+    echo "ERROR: Usage: $0 ITERATION PARTITION OUTPUT"
+    exit 1
+fi
+
+[ -d "${OUTPUT}" ] && mv "${OUTPUT}" "${OUTPUT}-$(date +%Y%m%d%H%M%S)"
+mkdir -p "${OUTPUT}" && cd "${OUTPUT}"
+
+# If partition specified, format it to vfat, and mount it to /mnt/dd_test.
+# Then enter the mount point to do dd test.
+if [ -n "${PARTITION}" ]; then
+    partition_name="$(basename "${PARTITION}")"
+    partition_numbers="$(grep "${partition_name}" /proc/partitions \
+        | awk '{print $1","$2}')"
+
+    if [ -z "${partition_numbers}" ]; then
+        echo "ERROR: ${PARTITION} NOT found" && exit 1
+    else
+        # Attemp to umount it in case it is mounted by Android vold.
+        umount "/dev/block/vold/public:${partition_numbers}" > /dev/null 2>&1
+        umount "${PARTITION}" > /dev/null 2>&1
+
+        echo "INFO: formatting ${PARTITION} to vfat..."
+        busybox mkfs.vfat "${PARTITION}"
+        sync && sleep 10
+
+        mkdir -p /mnt/dd_test
+        mount -t vfat "/dev/block/vold/public:${partition_numbers}" \
+            /mnt/dd_test/
+        if [ $? -eq 0 ]; then
+            echo "INFO: Mounted ${PARTITION} to /mnt/dd_test"
+        else
+            echo "ERROR: failed to mount ${PARTITION}" && exit 1
+        fi
+
+        cd /mnt/dd_test
+        echo "INFO: dd test directory: $(pwd)"
+    fi
+fi
+
+# Run dd write/read test.
+for i in $(seq "${ITERATION}"); do
+    echo
+    echo "INFO: Running dd write test [$i/${ITERATION}]"
+    echo 3 > /proc/sys/vm/drop_caches
+    busybox dd if=/dev/zero of=dd.img bs=1048576 count=1024 conv=fsync 2>&1 \
+        | tee  -a "${OUTPUT}"/dd-write-output.txt
+
+    echo
+    echo "INFO: Running dd read test [$i/${ITERATION}]"
+    echo 3 > /proc/sys/vm/drop_caches
+    busybox dd if=dd.img of=/dev/null bs=1048576 count=1024 2>&1 \
+        | tee -a "${OUTPUT}"/dd-read-output.txt
+
+    rm dd.img
+done