diff --git a/zram.sh b/zram.sh
new file mode 100644
index 0000000..6c74228
--- /dev/null
+++ b/zram.sh
@@ -0,0 +1,31 @@
+#!/bin/sh
+
+sleep_time=$1
+
+if [ -z $sleep_time ]; then
+	echo "set sleep time to 2"
+	sleep_time=2
+fi
+
+while true; do
+	actuall_size=$(free -h | grep Swap | awk '{print $3}')
+	comped_size=$(cat /sys/block/zram0/mm_stat | awk '{print $2}')
+	zsmalloc_size=$(cat /sys/block/zram0/mm_stat | awk '{print $3}')
+
+	if [ $actuall_size == "1G" ]; then
+		echo $actuall_size,$comped_size,$zsmalloc_size >> record_zram.csv
+	elif [ $actuall_size == "1.5G"  ]; then
+		echo $actuall_size,$comped_size,$zsmalloc_size >> record_zram.csv
+	elif [ $actuall_size == "2.0G"  ]; then
+		echo $actuall_size,$comped_size,$zsmalloc_size >> record_zram.csv
+	elif [ $actuall_size == "2.5G"  ]; then
+		echo $actuall_size,$comped_size,$zsmalloc_size >> record_zram.csv
+	elif [ $actuall_size == "3.0G"  ]; then
+		echo $actuall_size,$comped_size,$zsmalloc_size >> record_zram.csv
+	elif [ $actuall_size == "3.5G"  ]; then
+		echo $actuall_size,$comped_size,$zsmalloc_size >> record_zram.csv
+	elif [ $actuall_size == "4.0G"  ]; then
+		echo $actuall_size,$comped_size,$zsmalloc_size >> record_zram.csv
+	fi
+	sleep $sleep_time
+done