#!/bin/bash

# load sysconfig atop

[ -f /etc/sysconfig/atop ] && . /etc/sysconfig/atop

# Current Day format

[ -z $CURDAY ] && CURDAY=`date +%Y%m%d`

# Log files path

[ -z $LOGPATH ] && LOGPATH=/var/log/atop

# Binaries path

[ -z $BINPATH ] && BINPATH=/usr/bin

# PID File

[ -z $PIDFILE ] && PIDFILE=/var/run/atop.pid

# interval (default 10 minutes)

[ -z $INTERVAL ] && INTERVAL=600

start_atop() {

# start atop for all processes with interval of $INTERVAL 

# (by default 10) minutes

$BINPATH/atop -a -w $LOGPATH/atop_$CURDAY $INTERVAL > $LOGPATH/atop.log 2>&1 &

echo $! > $PIDFILE

}

# verify if atop still runs for daily logging

#

if [ -f $PIDFILE ]; then

	PID=`cat $PIDFILE`

	if [ -s $PIDFILE ] && ps -p $PID | grep 'atop$' > /dev/null

	then

	        kill -USR1 $PID       # take final sample

	        sleep 3

	        kill -TERM $PID

	        rm $PIDFILE

	        sleep 1

	else

	        exit 1

	fi

fi

start_atop 

exit 0