Stat Log Linux

statlog.sh

#!/bin/bash

# DateTime
now=`date +"%Y/%m/%d %H:%M:%S"`

# Memory Total
mem_total=`grep 'MemTotal' /proc/meminfo | awk '{print $2}'`
mem_total=$(expr $mem_total / 1024) #KB to MB

# Memory Used
mem_used=`grep 'Active:' /proc/meminfo | awk '{print $2}'`
mem_used=$(expr $mem_used / 1024) #KB to MB

# Memory percentage
mem_percent=`awk "BEGIN{print $mem_used / $mem_total * 100}"`
mem_percent="$mem_percent%"

# CPU core
cpu_core=`nproc`

# CPU Used
# https://stackoverflow.com/questions/9229333/how-to-get-overall-cpu-usage-e-g-57-on-linux
cpu_used=`grep 'cpu ' /proc/stat | awk '{usage=($2+$4)*100/($2+$4+$5)} END {print usage "%"}'`

# Disk
disk_total=`df -BM | grep /xvd | awk '{print $2}'`
disk_available=`df -BM | grep /xvd | awk '{print $3}'`
disk_percent=`df -BM | grep /xvd | awk '{print $5}'`

echo "$now, ${mem_used}M, ${mem_total}M, $mem_percent, $cpu_used, $disk_available, $disk_total, $disk_percent"