Merge "Created new single vm workload sample script using linpack"

doc/samples/tasks/support/README.rst

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+instance_linpack.sh
+=============
+instance_linpack.sh, will kick off a CPU intensive workload within a OpenStack instance.
+This script will return the avg gflops and max gflops Linpack reports in a JSON format.
+To run this workload, the VM must have linpack installed prior to running.
+
+instance_dd_test.sh
+=============
+instance_dd_test.sh, will kick off a IO intesnive workload within a OpenStack instance.
+This script will return the write and read performance dd was able to achieve in a
+JSON format.

doc/samples/tasks/support/instance_linpack.sh

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+#!/bin/sh
+# Location of Linpack binary
+LINPACK='/opt/linpack/xlinpack_xeon64'
+type -P $LINPACK &>/dev/null && continue || { echo "Linpack Not Found"; exit 1 }
+
+# Location to create linpack dat file
+LINPACK_DAT='~/linpack.dat'
+
+NUM_CPU=`cat /proc/cpuinfo | grep processor | wc -l`
+export OMP_NUM_THREADS=$NUM_CPU
+echo "Sample Intel(R) LINPACK data file (from lininput_xeon64)" > ${LINPACK_DAT}
+echo "Intel(R) LINPACK data" >> ${LINPACK_DAT}
+echo "1 # number of tests" >> ${LINPACK_DAT}
+echo "10514 # problem sizes" >> ${LINPACK_DAT}
+echo "20016 # leading dimensions" >> ${LINPACK_DAT}
+echo "2 # times to run a test " >> ${LINPACK_DAT}
+echo "4 # alignment values (in KBytes)" >> ${LINPACK_DAT}
+OUTPUT=$(${LINPACK} < ${LINPACK_DAT} | grep -A 1 Average | grep 20016)
+AVERAGE=$(echo $OUTPUT | awk '{print $4}')
+MAX=$(echo $OUTPUT | awk '{print $5}')
+
+echo "{
+    \"average_gflops\": $AVERAGE,
+    \"max_gflops\": $MAX
+    }"