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Diffstat (limited to 'yardstick/benchmark/scenarios/compute/lmbench_bandwidth_benchmark.bash')
-rw-r--r-- | yardstick/benchmark/scenarios/compute/lmbench_bandwidth_benchmark.bash | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/yardstick/benchmark/scenarios/compute/lmbench_bandwidth_benchmark.bash b/yardstick/benchmark/scenarios/compute/lmbench_bandwidth_benchmark.bash new file mode 100644 index 000000000..09993a088 --- /dev/null +++ b/yardstick/benchmark/scenarios/compute/lmbench_bandwidth_benchmark.bash @@ -0,0 +1,29 @@ +#!/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 memory bandwidth benchmark in a host and +# output in json format the memory size in megabytes and +# memory bandwidth in megabytes per second + +set -e + +SIZE=$1 +TEST_NAME=$2 +WARMUP=$3 + +# write the result to stdout in json format +output_json() +{ + read DATA + echo $DATA | awk '/ /{printf "{\"size(MB)\": %s, \"bandwidth(MBps)\": %s}", $1, $2}' +} + +/usr/lib/lmbench/bin/x86_64-linux-gnu/bw_mem -W $WARMUP ${SIZE}k $TEST_NAME 2>&1 | output_json
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