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Diffstat (limited to 'yardstick/benchmark/scenarios/compute/lmbench_benchmark.bash')
-rw-r--r-- | yardstick/benchmark/scenarios/compute/lmbench_benchmark.bash | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/yardstick/benchmark/scenarios/compute/lmbench_benchmark.bash b/yardstick/benchmark/scenarios/compute/lmbench_benchmark.bash new file mode 100644 index 000000000..04e3c1a9d --- /dev/null +++ b/yardstick/benchmark/scenarios/compute/lmbench_benchmark.bash @@ -0,0 +1,41 @@ +#!/bin/bash + +############################################################################## +# Copyright (c) 2015 Ericsson AB and others. +# +# All rights reserved. This program and the accompanying materials +# are made available under the terms of the Apache License, Version 2.0 +# which accompanies this distribution, and is available at +# http://www.apache.org/licenses/LICENSE-2.0 +############################################################################## + +# Run a lmbench read memory latency benchmark in a host and +# outputs in json format the array sizes in megabytes and +# load latency over all points in that array in nanosecods + +set -e + +SIZE=$1 +shift +STRIDE=$1 + +# write the result to stdout in json format +output_json() +{ + iter=0 + echo [ + while read DATA + do + if [ $iter -gt 1 ] && [ -n "$DATA" ]; then + echo , + fi + + echo -n $DATA | awk '/ /{printf "{\"size\": %s, \"latency\": %s}", $1, $2}' + + iter=$((iter+1)) + done + echo ] +} + +/usr/lib/lmbench/bin/x86_64-linux-gnu/lat_mem_rd $SIZE $STRIDE 2>&1 | output_json + |