I wouldn't be concerned about the usage of gettimeofday in scif. Those
calls are disabled by default and are for internal measurements
only. Nothing to do with Wtime.

-Nathan

On Tue, Apr 05, 2016 at 05:31:38PM +0100, Dave Love wrote:
> Aurélien Bouteiller <boute...@icl.utk.edu> writes:
> 
> > Open MPI uses clock_gettime when it is available, and defaults to
> > gettimeofday only when this better option can't be found. Check that
> > your system has clock_gettime and the resolution of this timer.
> 
> That's what I thought after I raised this originally, but where
> (assuming I'm not using these components)?
> 
>   openmpi-1.10.2]$ grep -r -l clock_gettime | egrep -v /libevent\|/vt/
>   ompi/mca/common/cuda/common_cuda.c
>   ompi/mca/btl/scif/btl_scif_get.c
>   ompi/mca/btl/scif/btl_scif_send.c
>   ompi/mca/btl/scif/btl_scif_put.c
>   ompi/mca/btl/scif/btl_scif.h
> 
> This is on RHEL6, but I doubt there's a current distribution without
> clock_gettime.
> 
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