[rrd-developers] [PATCH] Add create and info to rrdupdate

Tobias Oetiker tobi at oetiker.ch
Mon Aug 13 16:04:23 CEST 2012

Hi Sven,

Friday Sven-Göran Bergh wrote:

> Dear List,
> we have the need to incorporate generation/updates of RRD files in
> an embedded environment. However, there are a few dependencies that
> ruin our plan, most notably libxml2 and libglib. Even a minimal
> build (--disable-*) still has these dependencies.
> What we need is just to create and update RRDs. All graphing is
> interactive and handled in the web GUI. I have also seen similar
> needs expressed regarding restricted environments. The rrdupdate
> standalone utility is a good start, but it lacks the ability to
> create RRDs.
> The proposed patch (attached) adds two features to rrdupdate:
> info and create. This is done by invoking the binary with different
> names (ala BusyBox). For this, two symbolic links, rrdcreate and
> rrdinfo, are used. The size of a stripped rrdupdate is increased
> from 80kB to 88kB (libc on i386), but that is a small sacrifice
> compared with rrdtool + dependencies (minimal build >2.0MB).
> My auto[voodoo] skills are limited and so is my insight in the
> rrdtool code, so any comments are most welcome.

the patch looks fine ... I have added it to trunk and the 1.4
branch r2300

> Brgds
> /S-G

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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