ntp_main_graph ()
{
    last_x="$1"

    /usr/bin/rrdtool graph /srv/www/img/ntp-main-$last_x.png --title "NTP Gesamtuebersicht - $last_x" \
	--imginfo '<IMG SRC="/img/%s" WIDTH="%lu" HEIGHT="%lu" ALT="NTP Gesamtuebersicht">' \
        $rrd_width $rrd_height $rrd_common_opts --watermark "$rrd_watermark" \
	--end now --start end-${last_x} \
	--vertical-label "Sekunden" \
	DEF:time_offset_error=$rrd_dbpath/ntpd/time_offset-error.rrd:seconds:AVERAGE \
	DEF:time_offset_loop=$rrd_dbpath/ntpd/time_offset-loop.rrd:seconds:AVERAGE \
	VDEF:time_offset_error_max=time_offset_error,MAXIMUM \
	VDEF:time_offset_error_avg=time_offset_error,AVERAGE \
	VDEF:time_offset_error_min=time_offset_error,MINIMUM \
	VDEF:time_offset_error_last=time_offset_error,LAST \
	VDEF:time_offset_loop_max=time_offset_loop,MAXIMUM \
	VDEF:time_offset_loop_avg=time_offset_loop,AVERAGE \
	VDEF:time_offset_loop_min=time_offset_loop,MINIMUM \
	VDEF:time_offset_loop_last=time_offset_loop,LAST \
	COMMENT:"\t\t\t\t\g" \
	COMMENT:"Maximum\t\t\g" \
	COMMENT:"Durchschnitt\t\g" \
	COMMENT:"Minimum\t\t\g" \
	COMMENT:"Letzter\l" \
	LINE1:time_offset_error$rrd_col_blue_light:"time-offset-error" \
	GPRINT:time_offset_error_max:"% 2.1lf      " \
	GPRINT:time_offset_error_avg:"% 2.1lf      " \
	GPRINT:time_offset_error_min:"% 2.1lf      " \
	GPRINT:time_offset_error_last:"% 2.1lf   \l" \
	LINE1:time_offset_loop$rrd_col_red_light:"time-offset-loop" \
	GPRINT:time_offset_loop_max:"% 2.1lf      " \
	GPRINT:time_offset_loop_avg:"% 2.1lf      " \
	GPRINT:time_offset_loop_min:"% 2.1lf      " \
	GPRINT:time_offset_loop_last:"% 2.1lf   \l" \
	COMMENT:"Letztes update\:\t$rrd_last_update"
}

ntp_frequency_graph ()
{
    last_x="$1"

    /usr/bin/rrdtool graph /srv/www/img/ntp-frequency-$last_x.png --title "NTP Frequenz in ppm - $last_x" \
	--imginfo '<IMG SRC="/img/%s" WIDTH="%lu" HEIGHT="%lu" ALT="NTP Frequenz in ppm">' \
        $rrd_width $rrd_height $rrd_common_opts --watermark "$rrd_watermark" \
	--end now --start end-${last_x} \
	--vertical-label "Frequenz" \
	DEF:frequency=$rrd_dbpath/ntpd/frequency_offset-loop.rrd:ppm:AVERAGE \
	VDEF:frequency_max=frequency,MAXIMUM \
	VDEF:frequency_avg=frequency,AVERAGE \
	VDEF:frequency_min=frequency,MINIMUM \
	VDEF:frequency_last=frequency,LAST \
	COMMENT:"\t\t\g" \
	COMMENT:"Maximum\t\t\g" \
	COMMENT:"Durchschnitt\t\g" \
	COMMENT:"Minimum\t\t\g" \
	COMMENT:"Letzter\l" \
	LINE1:frequency$rrd_col_red_light:"frequency" \
	GPRINT:frequency_max:"% 2.1lf ppm   " \
	GPRINT:frequency_avg:"% 2.1lf ppm   " \
	GPRINT:frequency_min:"% 2.1lf ppm   " \
	GPRINT:frequency_last:"% 2.1lf ppm\l" \
	COMMENT:"Letztes update\: $rrd_last_update"
}

ntp_generic_graph ()
{
    last_x="$1"

    /usr/bin/rrdtool graph /srv/www/img/ntp-generic-0-$last_x.png --title "GENERIC(0) offset und dispersion in Sekunden - $last_x" \
	--imginfo '<IMG SRC="/img/%s" WIDTH="%lu" HEIGHT="%lu" ALT="GENERIC(0) offset und dispersion in Sekunden">' \
        $rrd_width $rrd_height $rrd_common_opts --watermark "$rrd_watermark" \
	--end now --start end-${last_x} \
	--vertical-label "Sekunden" \
	DEF:dispersion=$rrd_dbpath/ntpd/time_dispersion-GENERIC.rrd:seconds:AVERAGE \
	DEF:offset=$rrd_dbpath/ntpd//time_offset-GENERIC.rrd:seconds:AVERAGE \
	VDEF:dispersion_max=dispersion,MAXIMUM \
	VDEF:dispersion_avg=dispersion,AVERAGE \
	VDEF:dispersion_min=dispersion,MINIMUM \
	VDEF:dispersion_last=dispersion,LAST \
	VDEF:offset_max=offset,MAXIMUM \
	VDEF:offset_avg=offset,AVERAGE \
	VDEF:offset_min=offset,MINIMUM \
	VDEF:offset_last=offset,LAST \
	COMMENT:"\t\t\g" \
	COMMENT:"Maximum\t\t\g" \
	COMMENT:"Durchschnitt\t\g" \
	COMMENT:"Minimum\t\t\g" \
	COMMENT:"Letzter\l" \
	LINE1:dispersion$rrd_col_red_light:"dispersion\t\g" \
	GPRINT:dispersion_max:"%.2lf%s\t\t\g" \
	GPRINT:dispersion_avg:"%.2lf%s\t\t\g" \
	GPRINT:dispersion_min:"%.2lf%s\t\t\g" \
	GPRINT:dispersion_last:"%.2lf%s\l" \
	LINE1:offset$rrd_col_blue_light:"offset\t\g" \
	GPRINT:offset_max:"%.2lf%s\t\t\g" \
	GPRINT:offset_avg:"%.2lf%s\t\t\g" \
	GPRINT:offset_min:"%.2lf%s\t\t\g" \
	GPRINT:offset_last:"%.2lf%s\l" \
	COMMENT:"Letztes update\: $rrd_last_update"
}