sarctl.sh

#!/bin/sh -x

HERE=`dirname $0`
HERE=`cd $HERE; pwd`
KSAR_JAR=$HERE/kSar.jar
LOG_PATH=$HERE/log
SAR_FILE=$LOG_PATH/bench.sar
SAR_PID=$LOG_PATH/sar.pid

mkdir -p $LOG_PATH

do_start() {
    [ -f $SAR_PID ] && do_stop
    [ -f $SAR_FILE ] && rm -f $SAR_FILE
    echo
    echo "Starting sar monitoring..."
    sar -d -o $SAR_FILE 1 1000000 > /dev/null 2>&1 &
    echo $! > $SAR_PID
    sleep 5
    echo "Started pid $!."
}



do_stop() {
    echo "Stopping sar..."
    if [ ! -f $SAR_PID ]; then
        echo "No pid file $SAR_PID found."
        exit 1
    fi
    pid=`cat $SAR_PID`
    ps $pid > /dev/null
    if [ $? = 0 ]; then
        sleep 3
        kill $pid
        echo "Sar stopped."
        rm -f $SAR_PID
        exit 0
    else
        echo "No sar running."
        rm -f $SAR_PID
        exit 1
    fi
}

do_status() {
    if [ -f $SAR_PID ]; then
        pid=`cat $SAR_PID`
        ps $pid > /dev/null
        if [ $? = 0 ]; then
            echo "Sar is running"
            exit 0
        fi
    fi
    echo "No sar running."
    exit 1
}


do_report() {
    echo "### Building SAR report ----------------------------"
    # this one works !!!
    # /usr/lib/jvm/java-6-sun/bin/java -jar /usr/local/kSar-5.0.6/kSar.jar -input jboss-sar.txt -outputPDF jboss-sar.pdf 
    #
    TAG=`date -u '+%F_%H-%M-%S'`
    REPORT=sar-report-$TAG.pdf
    LC_ALL=C sar -f $SAR_FILE -A > $SAR_FILE.txt
    java -jar $KSAR_JAR -input $SAR_FILE.txt -outputPDF $REPORT || exit -2
    echo "$REPORT created."
}

case "$1" in
    start)
        do_start
        ;;
    stop)
        do_stop
        ;;
    restart)
        do_stop
        do_start
        ;;
    status)
        do_status
        ;;
    report)
        do_report
        ;;
    *)
        echo "usage: `basename $0` (start|stop|status|restart|report|help)"
esac