show_vmstats.sh

#!/bin/sh
# vmstat_tool.sh
# vmstat parser script. Makes the information easily readable.
# Ensure that the number of loops and delay parameters
# were passed to this script
# examine output with : nohup vmstat_tool.sh 100 > ./vmstat.log &
if [ $# -ne 1 ]
	then
	echo "Usage: $0 count"
	exit
fi

export LPCNT=$1
export DLAY=1

c=0

while [ "$c" -lt $LPCNT ]
	do
	date
	vmstat | tail -n 1 | awk '{printf("%d processes are waiting\n%d processes are blocked\n%d virtual memory used, %d idle memory, %d buffer memory, %d cache memory\n%d memory swapped in from disk, %d memory swapped out to disk\n%d blocks per second written\n%d blocks per second read\n%d interrupts per second\n%d context switches per second\nCPU usage: %d%% (user, non-kernel), %d%% (system, kernel), %d%% idle, %d%% wait\n\n",$1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11,$12,$13,$14,$15,$16)}'
	sleep $DLAY
	c=$((c+1))
done