[mpich-discuss] [mpich2-discuss]How to output debug info?

[clara]

Got it, thanks.

- Clara

On Fri, Sep 2, 2011 at 10:41 AM, Darius Buntinas <buntinas at mcs.anl.gov>wrote:

> Try setting environment variables and see if that works:
>
>    export MPICH_DBG_FILENAME="log/dbg-%w-%d.log"
>    export MPICH_DBG_CLASS=ALL
>    export MPICH_DBG_LEVEL=VERBOSE
>
> Make sure you create the 'log' directory (i.e., mkdir log) first.
>
> -d
>
> On Sep 2, 2011, at 8:34 AM, clara wrote:
>
> > For example, how can we let MPIU_DBG_MSG_FMT(....) messages output?
> Thanks.
> >
> > On Thu, Sep 1, 2011 at 11:27 PM, clara <clarazhang at gmail.com> wrote:
> > I built mpich2 with the below command line:
> > ./configure --prefix=/usr/local/mpich2-32 --with-pm=hydra:gforker
> --disable-faster --enable-debuginfo --enable-g=dbg,log CFLAGS=-m32
> CXXFLAGS=-m32 FFLAGS=-m32 FCFLAGS=-m32 2>&1 | tee mpich2-32cfg.txt
> >
> > I follow the
> http://wiki.mcs.anl.gov/mpich2/index.php/Debug_Event_Logging and try to
> use below command line to run an MPI program but fail
> > /usr/local/mpich2-32/bin/mpiexec -mpich-dbg file -mpich-dbg-class=all -n
> 4 sp.S.4
> >
> > Can anyone tell me how to output debug info when running MPI programs?
> Thanks.
> >
> > - Clara
> >
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