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#!/bin/bash
do_one ()
{
echo "# $@"
"$@"
}
do_test ()
{
for i in $(seq 3); do
do_one "$@"
sleep 10
done
}
echo "# dmesg | grep mmc0"
dmesg | grep mmc0
do_one cat /sys/kernel/debug/mmc0/ios
do_one cat /sys/devices/platform/soc/*/mmc_host/mmc0/mmc0:0001/cid
echo
echo "Read from MMC, direct"
do_test dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512 iflag=direct
echo
echo "Read from MMC, no direct"
do_test dd if=/dev/mmcblk0 of=/dev/null bs=1M count=512
echo
echo "Write to MMC, direct"
do_test dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512 oflag=direct
echo
echo "Write to MMC, no direct"
do_test dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=512
echo
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