chore(ci): properly use provided compare python script for google ben…

…chmarks results.

Signed-off-by: Federico Di Pierro <[email protected]>

.github/workflows/perf.yml

@@ -15,6 +15,13 @@ jobs:
  - name: Checkout Libs ⤵️
  uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
 
+ - name: Checkout Google benchmark ⤵️
+ uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+ with:
+ repository: 'google/benchmark'
+ ref: 'v1.9.0'
+ path: google-benchmark/
+
  - name: Run perf
  id: perf
  uses: ./.github/actions/composite-perf
@@ -45,22 +52,8 @@ jobs:
 
  - name: Diff from master - gbench
  run: |
- sudo apt update && sudo apt install -y --no-install-recommends jq
- echo "test | master | head | diff | diff %" > gbench_diff.txt
- # Load keys from master gbench json
- keys=$(jq -r '.benchmarks[] | select(.name | test("_mean")) | .name' gbench_data.json)
- for key in $keys; do
- # Load master real time value
- master_val=$(jq -r '.benchmarks[] | select(.name == "$key") | .real_time' gbench_data.json)
- # Load PR head real time value 
- head_val=$(jq -r '.benchmarks[] | select(.name == "$key") | .real_time' ${{ steps.perf.outputs.gbench_json }})
- # Only dump existing keys in current head (ie: if test was renamed/removed, skip it)
- if [[ ! -z $head_val ]]; then
- diff_val=$(jq -n '$head_val-$master_val')
- diff_val_pct=$(jq -n '$diff_val/$master_val*100')
- echo "$key | $master_val | $head_val | $diff_val | $diff_val_pct" >> gbench_diff.txt
- fi
- done
+ pip3 install -r google-benchmark/tools/requirements.txt
+ python3 google-benchmark/tools/compare.py --no-color benchmarks gbench_data.json ${{ steps.perf.outputs.gbench_json }} &> gbench_diff.txt
 
  - name: Archive perf diff
  uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32 # v3.1.3
@@ -163,8 +156,9 @@ jobs:
  - name: Check >= 5% slowdown on google benchmarks
  if: always() # Even if other threshold checks failed
  run: |
- tail -n+2 gbench_diff.txt | while read p; do
- diff_pct=$(echo $p | awk '{print $NF}')
+ # Remove first 3 lines and last line that are no tests results
+ tail -n+4 gbench_diff.txt | head -n -1 | while read p; do
+ diff_pct=$(echo "$p" | awk '{print $3}' | tr -d '+')
  if (( $(echo "$diff_pct >= 5.0" | bc -l) )); then
  exit 1
  fi