[rrd-users] log graph problems
Tobias Oetiker
tobi at oetiker.ch
Mon Feb 7 08:08:56 CET 2011
Hi Jeremy,
Yesterday Jeremy Harris wrote:
> Trying to chase down a sudden lack, after a general system
> update (to Fedora 14, rrdtool 1.4.4), of all my log-scale graphs
> I get as far as im->magfact being a NaN.
>
> a) it isn't mentioned in rrd_graph_init() - so perhaps
> it's only luck I'm getting a NaN
>
> b) the obvious calculation done by auto_scale() is discarded
> rather than being copied into "im" by print_calc()
> (about line 1586). The other calc of auto_scale is done
> by si_unit(), but that isn't called for log graphs.
>
> Am I way off base? I'm certainly confused!
can you create some example rrdtool create and graph code to show
what you are doing ?
cheers
tobi
--
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
http://it.oetiker.ch tobi at oetiker.ch ++41 62 775 9902 / sb: -9900
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