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Re: Profiling C++ code in oct files


From: Daniel Kraft
Subject: Re: Profiling C++ code in oct files
Date: Thu, 09 May 2013 09:38:40 +0200
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Hi!

On 08/05/13 16:21, Jordi GutiƩrrez Hermoso wrote:
> On 8 May 2013 07:20, Daniel Kraft <address@hidden> wrote:
>> Is there a way to profile C++ code in .oct files?  I tried
>> passing CXXFLAGS="-pg <and standard ones>" to mkoctfile, but this
>> is seemingly not enough.  Executing the resulting .oct file
>> through Octave doesn't produce a gmon.out.
> 
> There is an alternative to gprof that doesn't require
> instrumenting the code: oprof. I don't find it very easy to use, it
> only works on Linux, and you require root privileges to use it.
> I've used it a few times for successfully profiling C++ code, not
> just Octave's

Thanks for the hint -- so far I've only ever used gprof, but I'll give
oprof a try and see if it works.  I'm on GNU/Linux anyway, so that
shouldn't be a problem (and also have root privileges on the machine
I'm using).

Yours,
Daniel

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