Re: [Valgrind-users] valgrind and MPI wrappers

[Julian S. <js...@ac...>]

- Did it successfully build $prefix/lib/valgrind/<platform>/libmpiwrap.so ?

- Did you point LD_PRELOAD at it ?

- Is your executable statically linked?

J

On Friday 04 May 2007 15:59, Andrew T Barker wrote:
> I'm trying to use Valgrind to debug an MPI program.  The user manual gives
> some instructions (section 2.16) and I follow them, and it says that if
> things are working I should get notices like this when I run my program:
>
> valgrind MPI wrappers 31901: Active for pid 31901
> valgrind MPI wrappers 31901: Try MPIWRAP_DEBUG=help for possible options
>
> I do not get such notices, and Valgrind seems to be giving me lots of false
> positives from the MPI libraries.  The configure script for Valgrind
> reports that it finds a usable mpicc.
>
> What am I missing?  Thanks for any help.
>
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