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Adjust benchmark script #81

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Merged
merged 1 commit into from
May 9, 2018
Merged

Adjust benchmark script #81

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27 changes: 16 additions & 11 deletions .ci/run-benchmarks.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,7 @@ done
MICRO_BENCHMARK_HOME="$( cd -P "$( dirname "$SOURCE" )" && pwd )"

function setUp() {
echo "Setting CPU performance governor at CPU base frequency"
echo "Setting CPU frequency to base frequency"

CPU_MODEL=$(lscpu | grep "Model name" | awk '{for(i=3;i<=NF;i++){printf "%s ", $i}; printf "\n"}')
if [ "${CPU_MODEL}" == "Intel(R) Xeon(R) CPU E3-1246 v3 @ 3.50GHz " ]
Expand All @@ -26,6 +26,10 @@ function setUp() {
then
CORE_INDEX=7
BASE_FREQ="3.4GHz"
elif [ "${CPU_MODEL}" == "Intel(R) Core(TM) i7-7700 CPU @ 3.60GHz " ]
then
CORE_INDEX=7
BASE_FREQ="3.6GHz"
else
>&2 echo "Cannot determine base frequency for CPU model [${CPU_MODEL}]. Please adjust the build script."
exit 1
Expand All @@ -34,20 +38,21 @@ function setUp() {
# This is the frequency including Turbo Boost. See also http://ark.intel.com/products/80916/Intel-Xeon-Processor-E3-1246-v3-8M-Cache-3_50-GHz
MAX_FREQ=`cpufreq-info -l -c 0 | awk '{print $2}'`

# switch all CPUs to the performance CPU governor
# set all CPUs to the base frequency
for (( cpu=0; cpu<=${CORE_INDEX}; cpu++ ))
do
sudo cpufreq-set -c ${cpu} --min ${BASE_FREQ} --max ${BASE_FREQ} --governor=performance
sudo cpufreq-set -c ${cpu} --min ${BASE_FREQ} --max ${BASE_FREQ}
done

# Build cgroups to isolate microbenchmarks and JVM threads
echo "Creating groups for OS and microbenchmarks"
# Isolate the OS to all cores but the first 4 ones
sudo cset set --set=/os --cpu=4-${CORE_INDEX}
# Isolate the OS to the first core
sudo cset set --set=/os --cpu=0-1
sudo cset proc --move --fromset=/ --toset=/os

# Isolate the microbenchmarks to the first 4 cores (2 physical cores)
sudo cset set --set=/benchmark --cpu=0-3
# Isolate the microbenchmarks to all cores except the first two (first physical core)
# On a 4 core CPU with hyper threading, this would be 6 cores (3 physical cores)
sudo cset set --set=/benchmark --cpu=2-${CORE_INDEX}
}

function setCloudCredentials() {
Expand Down Expand Up @@ -93,14 +98,14 @@ function tearDown() {
sudo cset set --destroy /os
sudo cset set --destroy /benchmark

echo "Setting CPU powersave governor"
echo "Setting normal frequency range"
for (( cpu=0; cpu<=${CORE_INDEX}; cpu++ ))
do
sudo cpufreq-set -c ${cpu} --min ${MIN_FREQ} --max ${MAX_FREQ} --governor=powersave
sudo cpufreq-set -c ${cpu} --min ${MIN_FREQ} --max ${MAX_FREQ}
done
}

#trap "tearDown" EXIT
trap "tearDown" EXIT

#setUp
setUp
benchmark