[lttng-dev] Installation of LTTng on the TILEncore-Gx card (TILE-Gx processor)

[Mathieu Desnoyers]

* Simon Marchi (simon.marchi at polymtl.ca) wrote:
> Now that the support for the TileGx architecture is integrated in the
> various tools of the LTTng chain, I thought I could reduce the bus
> factor and post the installation steps to get LTTng up and running on
> this platform. The steps assume that the TILERA_ROOT variable is set
> correctly. The version of the Tilera MDE used is 4.1.3.150969 with the
> TILEncore-Gx card.
> 
> = urcu installation =
> $ git clone git://git.lttng.org/userspace-rcu.git
> $ ./bootstrap
> $ ac_cv_func_malloc_0_nonnull=yes ./configure --host=tile
> --prefix=$TILERA_ROOT/tile/usr/local

FYI, usually long command lines need a  \  when a line wrap occurs.

> $ make
> $ make install
> 
> = lttng-ust installation =
> $ git clone git://git.lttng.org/lttng-ust.git
> $ ./bootstrap
> $ ./configure --host=tile --prefix=$TILERA_ROOT/tile/usr/local
> $ make
> $ make install
> 
> = lttng-tools installation =
> $ git clone git://git.lttng.org/lttng-tools.git
> $ ./bootstrap
> $ ./configure --host=tile --prefix=$TILERA_ROOT/tile/usr/local
> --with-consumerd64-bin=/usr/local/lib/lttng/libexec/lttng-consumerd
> --with-consumerd64-libdir=/usr/local/lib

same here.

Just a nitpick in case this gets pulled into a manual or a wiki :)

Thanks,

Mathieu

> $ make
> $ make install
> 
> 
> By default, /usr/local/lib is not in the dynamic linker's search path,
> so you should add it:
> $ echo "/usr/local/lib" >> $TILERA_ROOT/tile/etc/ld.so.conf.d/local.conf
> 
> You should boot the card using --root so that the filesystem in
> $TILERA_ROOT/tile gets loaded on the card:
> $ tile-monitor --root
> 
> Once on the card, you can set your path to include /usr/local/bin,
> update the linker cache and set the path of the session daemon binary:
> $ export PATH=$PATH:/usr/local/bin
> $ ldconfig
> $ LTTNG_SESSIOND_PATH=/usr/local/bin/lttng-sessiond
> 
> Now you should be ready to go, I hope I didn't forget any step. Have
> fun ust-tracing !
> 
> Kernel tracing is a little bit more tricky because the kernel config
> shipped by Tilera does not activate tracepoints. There is also a fix
> needed to properly load the modules. Let's hope that these two issues
> will be resolved in a future version of the MDE. In the meantime, I
> can provide the instructions on this list or by personal email if
> anybody needs or wants them.
> 
> Thanks,
> 
> Simon
> 
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-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com