1 files changed, 68 insertions, 0 deletions
diff --git a/yardstick/benchmark/scenarios/compute/perf_benchmark.bash b/yardstick/benchmark/scenarios/compute/perf_benchmark.bash
new file mode 100644
index 000000000..5ae107a52
--- /dev/null
+++ b/yardstick/benchmark/scenarios/compute/perf_benchmark.bash
@@ -0,0 +1,68 @@
+#!/bin/sh
+
+##############################################################################
+# 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
+##############################################################################
+
+set -e
+
+# Commandline arguments
+PAYLOAD_OP=$1
+shift
+DURATION=$1
+shift
+EVENTS=("$@")
+OUTPUT_FILE=/tmp/perfout.txt
+
+# run perf test
+run_perf()
+{
+    COMMA_SEP_E=$( IFS=$','; echo "${EVENTS[*]}" )
+
+    if [[ $PAYLOAD_OP == dd* ]]
+    then
+        sudo perf stat -o $OUTPUT_FILE -e ${COMMA_SEP_E[@]} $PAYLOAD_OP &
+        sleep $DURATION
+        sudo killall -q -u root dd
+    else
+        sudo perf stat -o $OUTPUT_FILE -e ${COMMA_SEP_E[@]} $PAYLOAD_OP
+    fi
+}
+
+# write the result to stdout in json format
+output_json()
+{
+    EVENTS+=('time')
+
+    last_pos=$(( ${#EVENTS[*]} - 1 ))
+    last=${EVENTS[$last_pos]}
+
+    echo -n {
+    for EVENT in ${EVENTS[@]}
+    do
+        value=$(cat $OUTPUT_FILE | grep $EVENT | awk 'match($0,/[0-9]+|[0-9]+\.[0-9]*/, a) { print a[0]}')
+
+        if [[ $EVENT != $last ]]
+        then
+            echo -n \"$EVENT\": $value,
+        else
+            echo -n \"$EVENT\": $value
+        fi
+    done
+    echo }
+}
+
+# main entry
+main()
+{
+    run_perf > /dev/null 2>&1
+    sleep 1
+    output_json
+}
+
+main