#!/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