Output CSV results

Author: mheffner

.github/workflows/benchmark.yml

@@ -60,4 +60,11 @@ jobs:
           OTEL_LAYER: ${{ github.event.inputs.otel-layer }}
           ROTEL_LAYER: ${{ github.event.inputs.rotel-layer }}
         run: |
-          ./scripts/benchmark-coldstart.sh
+          ./scripts/benchmark-coldstart.sh /tmp/coldstart.out
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: coldstart-output-${{ github.job }}.csv
+          path: /tmp/coldstart.out
+          overwrite: true
+

scripts/benchmark-coldstart.sh

@@ -2,6 +2,14 @@
 
 COUNT=${COUNT:-10}
 
+if [ $# -ne 1 ]; then
+  echo "Usage: $0 <output-file>"
+  exit 1
+fi
+
+OUTPUT="$1"
+shift
+
 if [ -z "$AWS_ROLE_ARN" ]; then
   echo "Must set AWS_ROLE_ARN"
   exit 1
@@ -38,16 +46,16 @@ cd benchmark
 echo "Testing base case"
 
 uv run main.py --path ../function.zip --count $COUNT --function-name benchmark-coldstart \
-  --role-arn "$AWS_ROLE_ARN" --region "$AWS_REGION"
+  --role-arn "$AWS_ROLE_ARN" --region "$AWS_REGION" --output "$OUTPUT"
 
-echo "Testing OpenTelmetry collector layer"
+echo "Testing OpenTelemetry collector layer"
 
 uv run main.py --path ../function.zip --count $COUNT --function-name benchmark-coldstart-otel \
   --environment OPENTELEMETRY_COLLECTOR_CONFIG_URI=/var/task/collector.yaml \
-  --role-arn "$AWS_ROLE_ARN" --region "$AWS_REGION" --layer "$OTEL_LAYER"
+  --role-arn "$AWS_ROLE_ARN" --region "$AWS_REGION" --layer "$OTEL_LAYER" --output "$OUTPUT"
 
 echo "Testing Rotel layer"
 
 uv run main.py --path ../function.zip --count $COUNT --function-name benchmark-coldstart-rotel \
   --environment ROTEL_ENV_FILE=/var/task/rotel.env \
-  --role-arn "$AWS_ROLE_ARN" --region "$AWS_REGION" --layer "$ROTEL_LAYER"
+  --role-arn "$AWS_ROLE_ARN" --region "$AWS_REGION" --layer "$ROTEL_LAYER" --output "$OUTPUT"