Tools/Scripts/build-and-collect-pgo-profiles

#!/bin/bash
set -e
set -o pipefail

# Build WebKit, run benchmarks, and spit out compressed PGO profiles
BASE=${1:-/Volumes/WebKit/BenchmarkProfiles/}
echo "Using output directory: $BASE"

while true; do
    read -p "Have you read the source of this script, and do you understand that it is potentially destructive? [y/N]" yn
    case $yn in
        [Yy]* ) break;;
        [Nn]* ) exit;;
        * ) echo "Please answer yes or no.";;
    esac
done

if [[ ! -d "$BASE" ]] ; then
    echo "$BASE is missing, aborting."
    exit
fi

rm -rf "$BASE/*"

mkdir -p "$BASE/speedometer"
mkdir -p "$BASE/jetstream"
mkdir -p "$BASE/motionmark"
mkdir -p "$BASE/output"
mkdir -p "$BASE/Internal/WebKit/WebKitAdditions/Profiling/"

cd ../Internal

rm -rf ../OpenSource/WebKitBuild
make release WK_LTO_MODE=thin ENABLE_LLVM_PROFILE_GENERATION=ON

run-benchmark --plan jetstream2 --diagnose-directory="$BASE/jetstream" --generate-profiles --build-directory=../OpenSource/WebKitBuild/Release --count 1
pgo-profile merge "$BASE/jetstream"

run-benchmark --plan speedometer --diagnose-directory="$BASE/speedometer" --generate-profiles --build-directory=../OpenSource/WebKitBuild/Release --count 1
pgo-profile merge "$BASE/speedometer"

run-benchmark --plan motionmark --diagnose-directory="$BASE/motionmark" --generate-profiles --build-directory=../OpenSource/WebKitBuild/Release --count 1
pgo-profile merge "$BASE/motionmark"

rm *.result

pgo-profile combine --jetstream "$BASE/jetstream" --speedometer "$BASE/speedometer" --motionmark "$BASE/motionmark" --output "$BASE/output"

pgo-profile compress --input "$BASE/output" --output "$BASE/Internal/WebKit/WebKitAdditions/Profiling/"

echo "Done! Find your profiles in $BASE/Internal/WebKit/WebKitAdditions/Profiling/"
echo "To check these in, do: 'cp -r $BASE/Internal/ ../Internal/'"