[rrd-users] Problem with GPRINT

frankie frankie823 at gmail.com
Mon Sep 15 09:14:16 CEST 2008

I am using the rrdtool  version 1.2.26 and using it to draw the graph for
monitoring the traffic on the switch every minute. However, I found that
when the value is less than 1, the output will be incorrect. for example
0.654 , GPRINT will draw 654 on the graph. And the other problem is how can
GPRINT change the unit eg (kb or mb) automatically? Should I use "%s"?

This is my configuration code.
rrdtool create /usr/rrdtool/WK_SR_DS2-in-4227809.rrd -s 60 -b  `date -d '-1
month' +%s` DS:in:COUNTER:120:0:U DS:out:COUNTER:120:0:U
RRA:AVERAGE:0.5:1:600 RRA:AVERAGE:0.5:6:700 RRA:AVERAGE:0.5:24:775
RRA:AVERAGE:0.5:288:797 RRA:MAX:0.5:1:600 RRA:MAX:0.5:6:700
RRA:MAX:0.5:24:775 RRA:MAX:0.5:288:797 

rrdtool graph WK_SR_DS2-in-4227809-hour.png  --slope-mode --title 4227809
AREA:t1#00CF00FF:'IN' GPRINT:t1:MAX:'MAX\: %3.1lf %s' GPRINT:t1:MIN:'MIN\:
%3.1lf %s' GPRINT:t1:LAST:'NOW\: %3.1lf %s' LINE1:t2#002A97FF:'OUT'
GPRINT:t2:MAX:'MAX\: %3.1lf %s' GPRINT:t2:MIN:'MIN\: %3.1lf %s'
GPRINT:t2:LAST:'NOW\: %3.1lf %s' -v 'Bytes/sec' --base 1000 -Y -h 260 -w 600
-s `date -d '-1 hour' +%s`"

My english is so poor, it may quite difficult to understand my meaning.=^D
Can anybody help me?  Thank you
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