Commit 88851749 authored by Shane Snyder's avatar Shane Snyder
Browse files

update runtime doc with note on SGI MPT preloading

parent 074e0d01
......@@ -219,7 +219,7 @@ should be compiled using the normal, unmodified MPI compiler.
To use this mechanism, set the `LD_PRELOAD` environment variable to the full
path to the Darshan shared library. The preferred method of inserting Darshan
instrumentation in this case is to set the LD_PRELOAD variable specifically
instrumentation in this case is to set the `LD_PRELOAD` variable specifically
for the application of interest. Typically this is possible using
command line arguments offered by the `mpirun` or `mpiexec` scripts or by
the job scheduler:
......@@ -249,6 +249,11 @@ unrelated binaries:
export LD_PRELOAD=/home/carns/darshan-install/lib/
For SGI systems running the MPT environment, it may be necessary to set the `MPI_SHEPHERD`
environment variable equal to `true` to avoid deadlock when preloading the Darshan shared
=== Instrumenting dynamically-linked Fortran applications
Please follow the general steps outlined in the previous section. For
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