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#!/bin/bash
# sargraph - a simple sketch on how to generate graphs from sadf XML output
# by Lans.Carstensen@dreamworks.com <Lans Carstensen>

# Our dependencies - bail out if they are not found

set -e
ZENITY=`which zenity`
XSLTPROC=`which xsltproc`
SADF=`which sadf`
GNUPLOT=`which gnuplot`
MKTEMP=`which mktemp`
FIND=`which find`
SORT=`which sort`
CUT=`which cut`
GZIP=`which gzip`
set +e

# Default for --sa-dir
SA_DIR="/var/log/sysstat"

SA_REGEX='/sa[0-9][0-9]+(\.(gz|bz2|xz|lz|lzo))?$'


######### OPTION PARSING ###########
set -e

parsed_opts=`getopt -o "" -l sa-dir: -- "$@"`
eval set -- "$parsed_opts"

DONE=no
while [ $DONE != yes ]
do
    case $1 in
    --sa-dir)
        shift
        SA_DIR="$1"
        ;;
    --)
        # End of options
        DONE=yes
        ;;
    *)
        echo Unexpected argument: $1
        exit 1
        ;;
    esac

    shift                      # should shift the last arg or '--' if DONE=yes
done

set +e
####################################


# sar / sysstat DTD is published here:
# http://pagesperso-orange.fr/sebastien.godard/sysstat.dtd
# compare against output of "sadf -x"
# and pull apart data into gnuplot tabular data files

# Subroutines

# Graph for "sar -u"

cpu_xslt() {
    # Create the XSLT transform to make a GNUplot data file out of "sar -u" type data
    # test with "sadf -x | xsltproc <file containing stuff below> -
    cat > $1 <<EOF
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:strip-space elements="*"/>
<xsl:template match="/sysstat/host/statistics">
<xsl:text>&#10;</xsl:text>
<xsl:for-each select="timestamp">
<xsl:value-of select="@time"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./cpu-load/cpu[@number='all']/@user"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./cpu-load/cpu[@number='all']/@nice"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./cpu-load/cpu[@number='all']/@system"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./cpu-load/cpu[@number='all']/@iowait"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./cpu-load/cpu[@number='all']/@steal"/>
<xsl:text>&#10;</xsl:text>
</xsl:for-each>
</xsl:template>
</xsl:stylesheet>
EOF
}

cpu_gnuplot() {
    # Create the GNUplot rendering file, largely based on "isag" Tk script from sysstat package
#set yrange [0:100]
    cat > $1 <<EOF
set term x11
set title "sar -u"
set ylabel "Percent"
set timefmt "%H:%M:%S"
set xdata time
set format x "%H:%M"
plot "$2" using 1:2 t "%user" with line, "$2" using 1:3 t "%nice" with line, "$2" using 1:4 t "%system" with line, "$2" using 1:5 t "%iowait" with line, "$2" using 1:6 t "%steal" with line
pause mouse
EOF
}

# To output to a file change the gnuplot routines to say something like:
# set term svg
# ...
# set output "/tmp/test.svg"
# plot ...

# Graph for "sar -q"

rq_xslt() {
    # Create the XSLT transform to make a GNUplot data file out of "sar -q" type data
    # test with "sadf -x | xsltproc <file containing stuff below> -
    cat > $1 <<EOF
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:strip-space elements="*"/>
<xsl:template match="/sysstat/host/statistics">
<xsl:text>&#10;</xsl:text>
<xsl:for-each select="timestamp">
<xsl:value-of select="@time"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./queue/@runq-sz"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./queue/@plist-sz"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./queue/@ldavg-1"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./queue/@ldavg-5"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./queue/@ldavg-15"/>
<xsl:text>&#10;</xsl:text>
</xsl:for-each>
</xsl:template>
</xsl:stylesheet>
EOF
}

rq_gnuplot() {
    cat > $1 <<EOF
set term x11
set title "sar -q"
set ylabel ""
set timefmt "%H:%M:%S"
set xdata time
set format x "%H:%M"
plot "$2" using 1:2 t "runq-sz" with line, "$2" using 1:3 t "plist-sz" with line, "$2" using 1:4 t "ldavg-1" with line, "$2" using 1:5 t "ldavg-5" with line, "$2" using 1:6 t "ldavg-15" with line
pause mouse
EOF
}

# Graph for "sar -q", but w/o the process list size

rqnoplistsz_xslt() {
    # Create the XSLT transform to make a GNUplot data file out of "sar -q" type data
    # test with "sadf -x | xsltproc <file containing stuff below> -
    cat > $1 <<EOF
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:strip-space elements="*"/>
<xsl:template match="/sysstat/host/statistics">
<xsl:text>&#10;</xsl:text>
<xsl:for-each select="timestamp">
<xsl:value-of select="@time"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./queue/@runq-sz"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./queue/@ldavg-1"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./queue/@ldavg-5"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./queue/@ldavg-15"/>
<xsl:text>&#10;</xsl:text>
</xsl:for-each>
</xsl:template>
</xsl:stylesheet>
EOF
}

rqnoplistsz_gnuplot() {
    cat > $1 <<EOF
set term x11
set title "sar -q"
set ylabel ""
set timefmt "%H:%M:%S"
set xdata time
set format x "%H:%M"
plot "$2" using 1:2 t "runq-sz" with line, "$2" using 1:3 t "ldavg-1" with line, "$2" using 1:4 t "ldavg-5" with line, "$2" using 1:5 t "ldavg-15" with line
pause mouse
EOF
}

# Graph for "sar -b"

io_xslt() {
    # Create the XSLT transform to make a GNUplot data file out of "sar -b" type data
    # test with "sadf -x | xsltproc <file containing stuff below> -
    cat > $1 <<EOF
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:strip-space elements="*"/>
<xsl:template match="/sysstat/host/statistics">
<xsl:text>&#10;</xsl:text>
<xsl:for-each select="timestamp">
<xsl:value-of select="@time"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./io/tps"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./io/io-reads/@rtps"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./io/io-writes/@wtps"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./io/io-reads/@bread"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./io/io-writes/@bwrtn"/>
<xsl:text>&#10;</xsl:text>
</xsl:for-each>
</xsl:template>
</xsl:stylesheet>
EOF
}

io_gnuplot() {
    cat > $1 <<EOF
set term x11
set title "sar -b"
set ylabel "ops/s"
set timefmt "%H:%M:%S"
set xdata time
set format x "%H:%M"
plot "$2" using 1:2 t "rtps" with line, "$2" using 1:3 t "wtps" with line, "$2" using 1:4 t "bread/s" with line,  "$2" using 1:5 t "bwrtn/s" with line
pause mouse
EOF
}

# Graph for "sar -n NFS"

nfsclient_xslt() {
    # Create the XSLT transform to make a GNUplot data file out of "sar -n NFS" type data
    # test with "sadf -x | xsltproc <file containing stuff below> -
    cat > $1 <<EOF
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:strip-space elements="*"/>
<xsl:template match="/sysstat/host/statistics">
<xsl:text>&#10;</xsl:text>
<xsl:for-each select="timestamp">
<xsl:value-of select="@time"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./network/net-nfs/@call"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./network/net-nfs/@retrans"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./network/net-nfs/@read"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./network/net-nfs/@write"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./network/net-nfs/@access"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./network/net-nfs/@getatt"/>
<xsl:text>&#10;</xsl:text>
</xsl:for-each>
</xsl:template>
</xsl:stylesheet>
EOF
}

nfsclient_gnuplot() {
    cat > $1 <<EOF
set term x11
set title "sar -n NFS"
set ylabel "ops/s"
set timefmt "%H:%M:%S"
set xdata time
set format x "%H:%M"
plot "$2" using 1:2 t "call/s" with line, "$2" using 1:3 t "retrans/s" with line, "$2" using 1:4 t "read/s" with line,  "$2" using 1:5 t "write/s" with line, "$2" using 1:6 t "access/s" with line, "$2" using 1:7 t "getatt/s" with line
pause mouse
EOF
}

# Graph for "sar -B"

paging_xslt() {
    # Create the XSLT transform to make a GNUplot data file out of "sar -B" type data
    # test with "sadf -x | xsltproc <file containing stuff below> -
    cat > $1 <<EOF
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:strip-space elements="*"/>
<xsl:template match="/sysstat/host/statistics">
<xsl:text>&#10;</xsl:text>
<xsl:for-each select="timestamp">
<xsl:value-of select="@time"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./paging/@pgpgin"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./paging/@pgpgout"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./paging/@fault"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./paging/@majflt"/>
<xsl:text>&#10;</xsl:text>
</xsl:for-each>
</xsl:template>
</xsl:stylesheet>
EOF
}

paging_gnuplot() {
    cat > $1 <<EOF
set term x11
set title "sar -B"
set ylabel "pages/s"
set timefmt "%H:%M:%S"
set xdata time
set format x "%H:%M"
plot "$2" using 1:2 t "pgpgin/s" with line, "$2" using 1:3 t "pgpgout/s" with line, "$2" using 1:4 t "fault/s" with line, "$2" using 1:5 t "majflt/s" with line
pause mouse
EOF
}

# Graph for "sar -r"

memuse_xslt() {
    # Create the XSLT transform to make a GNUplot data file out of "sar -r" type data
    # test with "sadf -x | xsltproc <file containing stuff below> -
    cat > $1 <<EOF
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:strip-space elements="*"/>
<xsl:template match="/sysstat/host/statistics">
<xsl:text>&#10;</xsl:text>
<xsl:for-each select="timestamp">
<xsl:value-of select="@time"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./memory/memfree"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./memory/memused"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./memory/buffers"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./memory/cached"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./memory/swpfree"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./memory/swpused"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./memory/swpcad"/>
<xsl:text>&#10;</xsl:text>
</xsl:for-each>
</xsl:template>
</xsl:stylesheet>
EOF
}

memuse_gnuplot() {
    cat > $1 <<EOF
set term x11
set title "sar -r"
set ylabel "kB"
set timefmt "%H:%M:%S"
set xdata time
set format x "%H:%M"
plot "$2" using 1:2 t "kbmemfree" with line, "$2" using 1:3 t "kbmemused" with line, "$2" using 1:4 t "kbbuffers" with line, "$2" using 1:5 t "kbcached" with line, "$2" using 1:6 t "swpfree" with line, "$2" using 1:7 t "swpused" with line, "$2" using 1:8 t "swpcad" with line
pause mouse
EOF
}

# Graph for "sar -S"

swapuse_xslt() {
    # Create the XSLT transform to make a GNUplot data file out of "sar -r" type data
    # test with "sadf -x | xsltproc <file containing stuff below> -
    cat > $1 <<EOF
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:strip-space elements="*"/>
<xsl:template match="/sysstat/host/statistics">
<xsl:text>&#10;</xsl:text>
<xsl:for-each select="timestamp">
<xsl:value-of select="@time"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./memory/swpfree"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./memory/swpused"/>
<xsl:text> </xsl:text>
<xsl:value-of select="./memory/swpcad"/>
<xsl:text>&#10;</xsl:text>
</xsl:for-each>
</xsl:template>
</xsl:stylesheet>
EOF
}

swapuse_gnuplot() {
    cat > $1 <<EOF
set term x11
set title "sar -S"
set ylabel "kB"
set timefmt "%H:%M:%S"
set xdata time
set format x "%H:%M"
plot "$2" using 1:2 t "swpfree" with line, "$2" using 1:3 t "swpused" with line, "$2" using 1:4 t "swpcad" with line
pause mouse
EOF
}


SA_FILES=`$FIND "$SA_DIR" -type f -printf '%T@,%p\n' \
    | grep -E "$SA_REGEX" | $SORT -n -r | $CUT -d, -f2`

# Main loop

DONE=no
while [ $DONE != yes ]
do

    # Prompt for sa file

    SA_FILE=`$ZENITY --list --text "Select data source" \
        --column "sa file" $SA_FILES`

    if [ "$SA_FILE" == "" ]
    then
        exit
    fi

    if echo $SA_FILE | grep '.gz$'
    then
        UNCOMPRESSED_SA_FILE=`mktemp`
        gzip -dc $SA_FILE > $UNCOMPRESSED_SA_FILE
        SA_FILE=$UNCOMPRESSED_SA_FILE
    fi


    # Prompt for graph

    GRAPH=`$ZENITY --list --text "Select a graph" --column "Graph Type" "CPU" "Run Queue" "Run Queue w/o Process List Size" "IO Transfer Rate" "NFS Client" "Paging Stats" "Memory Utilization" "Memory Utilization (Swap)"`

    case "$GRAPH" in
    "CPU")
        XSLTFILE=`mktemp`
        cpu_xslt $XSLTFILE
        DATAFILE=`mktemp`
        $SADF -t -x $SA_FILE -- -u | $XSLTPROC --novalid $XSLTFILE - > $DATAFILE
        GNUPLOTFILE=`mktemp`
        cpu_gnuplot $GNUPLOTFILE $DATAFILE
        $GNUPLOT $GNUPLOTFILE
        ;;
    "Run Queue")
        XSLTFILE=`mktemp`
        rq_xslt $XSLTFILE
        DATAFILE=`mktemp`
        $SADF -t -x $SA_FILE -- -q | $XSLTPROC --novalid $XSLTFILE - > $DATAFILE
        GNUPLOTFILE=`mktemp`
        rq_gnuplot $GNUPLOTFILE $DATAFILE
        $GNUPLOT $GNUPLOTFILE
        ;;
    "Run Queue w/o Process List Size")
        XSLTFILE=`mktemp`
        rqnoplistsz_xslt $XSLTFILE
        DATAFILE=`mktemp`
        $SADF -t -x $SA_FILE -- -q | $XSLTPROC --novalid $XSLTFILE - > $DATAFILE
        GNUPLOTFILE=`mktemp`
        rqnoplistsz_gnuplot $GNUPLOTFILE $DATAFILE
        $GNUPLOT $GNUPLOTFILE
        ;;
    "IO Transfer Rate")
        XSLTFILE=`mktemp`
        io_xslt $XSLTFILE
        DATAFILE=`mktemp`
        $SADF -t -x $SA_FILE -- -b | $XSLTPROC --novalid $XSLTFILE - > $DATAFILE
        GNUPLOTFILE=`mktemp`
        io_gnuplot $GNUPLOTFILE $DATAFILE
        $GNUPLOT $GNUPLOTFILE
        ;;
    "NFS Client")
        XSLTFILE=`mktemp`
        nfsclient_xslt $XSLTFILE
        DATAFILE=`mktemp`
        $SADF -t -x $SA_FILE -- -n NFS | $XSLTPROC --novalid $XSLTFILE - > $DATAFILE
        GNUPLOTFILE=`mktemp`
        nfsclient_gnuplot $GNUPLOTFILE $DATAFILE
        $GNUPLOT $GNUPLOTFILE
        ;;
    "Paging Stats")
        XSLTFILE=`mktemp`
        paging_xslt $XSLTFILE
        DATAFILE=`mktemp`
        $SADF -t -x $SA_FILE -- -B | $XSLTPROC --novalid $XSLTFILE - > $DATAFILE
        GNUPLOTFILE=`mktemp`
        paging_gnuplot $GNUPLOTFILE $DATAFILE
        $GNUPLOT $GNUPLOTFILE
        ;;
    "Memory Utilization")
        XSLTFILE=`mktemp`
        memuse_xslt $XSLTFILE
        DATAFILE=`mktemp`
        $SADF -t -x $SA_FILE -- -r | $XSLTPROC --novalid $XSLTFILE - > $DATAFILE
        GNUPLOTFILE=`mktemp`
        memuse_gnuplot $GNUPLOTFILE $DATAFILE
        $GNUPLOT $GNUPLOTFILE
        ;;
    "Memory Utilization (Swap)")
        XSLTFILE=`mktemp`
        swapuse_xslt $XSLTFILE
        DATAFILE=`mktemp`
        $SADF -t -x $SA_FILE -- -S | $XSLTPROC --novalid $XSLTFILE - > $DATAFILE
        GNUPLOTFILE=`mktemp`
        swapuse_gnuplot $GNUPLOTFILE $DATAFILE
        $GNUPLOT $GNUPLOTFILE
        ;;
    *)
        # If you click "Cancel", you end up here
        DONE=yes
        ;;
    esac

    [ -f "$UNCOMPRESSED_SA_FILE" ] && rm $UNCOMPRESSED_SA_FILE
    [ -f "$GNUPLOTFILE" ]          && rm $GNUPLOTFILE
    [ -f "$DATAFILE" ]             && rm $DATAFILE
    [ -f "$XSLTFILE" ]             && rm $XSLTFILE
done

exit

# Local Variables:
# sh-basic-offset: 4
# indent-tabs-mode: nil
# sh-indent-for-case-label: 0
# sh-indent-for-case-alt: +
# End: