[ltt-dev] OMAP3 /BeagleBoard LTTng configs for target install and viewing with VNC

[Mathieu Desnoyers]

* don (don at waldonetworks.com) wrote:
> Bonjour, Mathieu et aussi -

Bonjour Don,

> 
> I am importing LTTng into an OMAP3-based board which is a superset of a
> BeagleBoard C4 design. We're using OE hosted on Ubuntu.  
> 
> My kernel is happily spitting kernel event messages, and now I'm
> installing LTTng on the board. My intent is to install everything on the
> board and run TightVNC to view the tracing. First question, is that a
> viable solution?

You can, but don't need to. You can move the traces to another
(different) host to view the traces with more CPU power and more memory.

> 
> Second question is about recipes for LTTng.
> 
> My recipe for LTTv is as follows, and it works except for a warning about
> the Debian naming:
> 
>  DESCRIPTION = "Linux Trace Toolkit Viewer"
>  LICENSE = "GPLv2"
>  HOMEPAGE = "http://lttng.org"
>  PROVIDES = "lttv"
>  DEPENDS = "gtk+ libc6 libpopt libpango"
>  PR="r4"
>  PACKAGES = "${PN}"
>  SRC_URI = "http://lttng.org/files/packages/${P}.tar.gz"
>  inherit autotools pkgconfig
> 
> My recipe for ltt-control, however, has an issue. 
> 
>  PROVIDES="ltt-control"
>  DESCRIPTION = "LTT Control Package"
>  LICENSE = "LGPLv2"
>  HOMEPAGE = "http://lttng.org"
>  PR="r3"
>  PACKAGES = "${PN}-dbg ${PN} ${PN}-doc"
>  FILES_${PN} += " \
>  /usr/lib/liblttctl.so \
>  /usr/lib/liblttd.so \
>  "
>  SRC_URI = "http://lttng.org/files/lttng/${P}.tar.gz"
>  inherit autotools pkgconfig
> 
> It's complaining (with numerous instances) that your source tarball
> already has a .debug directory, like so:

Hrm, a .debug directory ? Is it packaged in the tarball or generated at
build time ? This should not be in the packaged tarballs, modulo
mistakes.

Thanks,

Mathieu

> ...
>  ERROR: QA Issue with lttv: non debug package contains .debug directory:
> lttv path
> /work/armv7a-angstrom-linux-gnueabi/lttv-0.12.32-05032010-r4/install/lttv/usr/lib/lttv/plugins/.debug/libguicontrolflow.so
> ... (repeated for 15 distinct files)
> ... and as follows:
> ...
>  ERROR: Error in executing:
> /home/donnie/Projects/Waldo/Angstrom_Mike/openembedded/recipes/ltt/lttv/lttv_0.12.32-05032010.bb
>  ERROR: Exception:<type 'exceptions.SystemExit'> Message:1
>  ERROR: Printing the environment of the function
> ... (repeated 4 times exactly)
> I've examined the docs for OE and bitbake and LTT, and I haven't come up
> with the solutions. 
> 
> Thank you in advance!
> 
> -- Don Wilde
>    Waldo Health
>    Austin, TX USA
>    +11-512-219-0302
> 
> 
> 
> 
> 
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> 

-- 
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com