[lttng-dev] Using userspace tracepoints with icc

[Mathieu Desnoyers]

----- Original Message -----
> From: "Raphaël Beamonte" <raphael.beamonte at gmail.com>
> To: lttng-dev at lists.lttng.org
> Sent: Thursday, November 7, 2013 11:50:21 PM
> Subject: [lttng-dev] Using userspace tracepoints with icc
> 
> Hello folks,
> 
> A few weeks ago, I was working on an application which used icc (the
> Intel C Compiler) to compile its sources. I wanted to trace it but
> wasn't able to compile with the tracepoints, the ".c" file was spawning
> a ": internal error: backend signal" from icc. Still, there is a
> workaround to be able to trace.
> 
> Using gcc to compile the tracepoints (or using the object file generated
> by lttng-gen-tp, which uses gcc) and linking the object file to the
> application worked like a charm. It is not the best way as it forces to
> use two different compilers, but it still allows to trace.
> 
> Just thought I'd share this workaround if someone else search how to use
> LTTng-UST with icc.

You might want to report this internal compiler error to the Intel folks responsible for icc.

Thanks,

Mathieu

> 
> Raphaël
> 
> 
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-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com