memory_test/run.sh

echo always > /sys/kernel/mm/transparent_hugepage/hugepages-64kB/enabled

tmpfile=$(mktemp)

pgfault1=$(cat /proc/vmstat  | grep pgfault | awk '{print $2}')

./test_swap > $tmpfile

pgfault2=$(cat /proc/vmstat  | grep pgfault | awk '{print $2}')

swapout=$(head -n 1 $tmpfile | awk '{print $4}')
swapin=$(tail -n 1 $tmpfile | awk '{print $4}')

cat /sys/block/zram0/mm_stat > $tmpfile

total_size=$(cat $tmpfile | awk '{print $1}')
used_size=$(cat $tmpfile | awk '{print $2}')
comp_ratio=`echo "scale=4; $total_size / $used_size" | bc`


anon_fault_alloc=$(cat /sys/kernel/mm/transparent_hugepage/hugepages-64kB/stats/anon_fault_alloc)
anon_fault_fallback=$(cat /sys/kernel/mm/transparent_hugepage/hugepages-64kB/stats/anon_fault_fallback)
anon_total=$(($anon_fault_fallback + $anon_fault_alloc))
folio_alloc_success_ratio=`echo "scale=4; $anon_fault_alloc / $anon_total" | bc`

swpout_alloc=$(cat /sys/kernel/mm/transparent_hugepage/hugepages-64kB/stats/swpout)
swpout_fault_fallback=$(cat /sys/kernel/mm/transparent_hugepage/hugepages-64kB/stats/swpout_fallback)
swpout_total=$(($swpout_fault_fallback + $swpout_alloc))
swapout_success_ratio=`echo "scale=4; $swpout_alloc / $swpout_total" | bc`

if [ -f /sys/block/zram0/multi_pages_debug_stat ]; then

	cat /sys/block/zram0/multi_pages_debug_stat > $tmpfile

	nr_write_multipage=$(head -n 1 $tmpfile | awk '{print $5}')
	nr_read_multipage=$(head -n 1 $tmpfile | awk '{print $6}')

	nr_write_failed_multipage=$(cat $tmpfile | grep "failed" | awk '{print $6}')
	nr_read_failed_multipage=$(cat  $tmpfile | grep "failed" | awk '{print $7}')

	nr_write_succeed_multipage=$(($nr_write_multipage-$nr_write_failed_multipage))
	nr_read_succeed_multipage=$(($nr_read_multipage-$nr_read_failed_multipage))

	zram_write_multipage_ratio=`echo "scale=4; $nr_write_succeed_multipage / $nr_write_multipage" | bc`
	zram_read_multipage_ratio=`echo "scale=4; $nr_read_succeed_multipage / $nr_read_multipage" | bc`
fi

echo swapout $swapout
echo swapin $swapin
echo comp_ratio $comp_ratio
echo pagefault $(($pgfault2-$pgfault1))
echo folio_alloc_success_ratio $folio_alloc_success_ratio
echo swapout_success_ratio $swapout_success_ratio

if [ -f /sys/block/zram0/multi_pages_debug_stat ]; then
	echo zram_write_multipage_ratio $zram_write_multipage_ratio
	echo zram_read_multipage_ratio $zram_read_multipage_ratio
fi

killall test_swap