# Go for the first test
p Test instrumentation of SMPI
$ ../../bin/smpirun -trace smpi_traced.trace -hostfile ${srcdir:=.}/hostfile -platform ${srcdir:=.}/../msg/small_platform_with_routers.xml -np 3 ./smpi_traced
+> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'maxmin/precision' to '1e-9'
> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'network/model' to 'SMPI'
> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'TCP_gamma' to '4194304'
+> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'tracing' to '1'
> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'tracing/filename' to 'smpi_traced.trace'
> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'tracing/smpi' to '1'
+> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'tracing/categorized' to '1'
+> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'tracing/uncategorized' to '1'
> [0.000000] [surf_config/INFO] Switching workstation model to compound since you changed the network and/or cpu model(s)