memory_prof/memory_prof.sh

#!/bin/sh

# Copyright (c) 2013, The Linux Foundation. All rights reserved.
#
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# modification, are permitted provided that the following conditions are
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cd $(dirname $0 2>/dev/null || echo "/data/kernel-tests")

chmod 755 memory_prof

maybe_make_node()
{
	thedev=$1
	themisc=$2
	[ -e $thedev ] || \
	    mknod $thedev c $(cut -d: -f1 $themisc) $(cut -d: -f2 $themisc)
}

if [ -d /system/lib/modules/ ]; then
	modpath=/system/lib/modules
else
	modpath=/kernel-tests/modules/lib/modules/$(uname -r)/extra
fi

memory_prof_mod=${modpath}/the_memory_prof_module.ko

memory_prof_dev=/dev/memory_prof
memory_prof_dev_sys=/sys/class/memory_prof/memory_prof/dev
ion_dev=/dev/ion
ion_dev_misc=/sys/class/misc/ion/dev

# create ion device if it doesn't exist
maybe_make_node $ion_dev $ion_dev_misc

# insert memory_prof_mod if needed
if [ ! -e $memory_prof_dev_sys ]; then
	insmod $memory_prof_mod

	if [ $? -ne 0 ]; then
		echo "ERROR: failed to load module $memory_prof_mod"
		exit 1
	fi
fi

# create memory prof device if it doesn't exist
maybe_make_node $memory_prof_dev $memory_prof_dev_sys

./memory_prof $@

rmmod the_memory_prof_module